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Onkyo HT-R340 AV RECEIVER Service Manual
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HT-R340
SERVICE MANUAL SERVICE MANUAL
AV RECEIVER
Black and Silver models
MODEL HT-R340
Ref. No. 3937
042006
120V AC, 60Hz B MDD
120V AC, 60Hz
120V AC, 60Hz
230-240V AC, 50Hz
120/220-240V AC, 50/60Hz
230-240V AC, 50Hz
220-230V AC, 50/60Hz
S MDD
S MDC
S MPP
S MWT
S MPA
S MGK
RC-646S
TONE + STEREO LISTENING MODE DISPLAY DIGITAL INPUT DIMMER MEMORY TUNING MODE RETURN
TUNING / PRESET
ENTER
SETUP
STANDBY
STANDBY/ON
CLEAR
PHONES MULTl CH DVD VIDEO 1/VCR VIDEO 2 VIDEO 3 TAPE TUNER CD
MASTER VOLUME
A SPEAKERS B
MUTING
MENU TOP MENU
SP A/B
SETUP RETURN
PLAYLIST PLAYLIST
RANDOM SUBTITLE
PLAY MODE
AUDIO REPEAT
RC-646S
--/---
TAPE
ON/STANDBY
DIMMER SLEEP
INPUT SELECTOR
REMOTE MODE
V1 V2 V3
CD TAPE TUNER
DVD MULTI CH
LISTENING MODE
DISPLAY OR-EQ
TESTTONE CH SEL
SURROUND STEREO
CINE FLTR
LEVEL+ LEVEL-
L NIGHT
VOL
HDD
CDR
MD
DVD RECEIVER
CD
+10 0 CLR
1 2 3
4 5 6
7 8 9
ENTER
CH
DISC
ALBUM
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
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HT-R340
HT-R340
EXPLODED VIEW
A404
Except MWT : 25 pcs.
MWT : 27 pcs.
A002
x 5 pcs.
A034
x 2 pcs.
A051
x 6 pcs.
A020
x 4 pcs.
A020
x 3 pcs.
A034
x 2 pcs.
A037
x 4 pcs.
A023
x 4 pcs.
A020
x 2 pcs.
A003
x 2 pcs.
A015
x 3 pcs.
A016
x 2 pcs.
A055
x 4 pcs.
A057
x 4 pcs.
A056
x 4 pcs.
A005
x 7 pcs.
A026
x 2 pcs.
A007
x 2 pcs.
U12
P101
P7001
T901
P901
F901
F902
F6001
F6002
A401
A028
A405
A050
A052
A450
A413
U05
U08
U11
U09
U02
U01
U04
U06
U07
A001
A025
A412
A065
A406
A004
A420
A430
A411
A010
A042
A043
A043
A041
Q9006A
A030
A421
x 3 pcs.
A012
x 2 pcs.
A040
x 2 pcs.
A008
A008
F903
U10
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HT-R340
HT-R340
BLOCK DIAGRAM
AUDIO SECTION
SPRLCS
Z2RL
HPIN
MAIN L
MAIN R
SUB L
SUB R
REC L
REC R
HPRL
SPRLF
AMUT
POWER AMPLIFIER
CENTER
SPEAKER
SURROUND
SPEAKERS
CD IN
SUBWOOFER
SURROUND L
DVD IN
VIDEO 1 IN
VIDEO 1 OUT
VIDEO 2 IN
VIDEO 3 IN
TAPE IN
TAPE OUT
DIR
AD
R
L
PHONES
SUBWOOFER
LPF
LPF
LPF
LPF
LPF
LPF
6ch DAC
TUNER UNIT
+25dB
+25dB
+25dB
+25dB
+25dB
+25dB
R2S15211FP
17
19
20
9
10
16
4
5
2
1
12
11
6
7
14
15
53
70
69
67
66
65
62
64
63
60
59
58
57
56
55
54
52
51
50
49
48
47
45
68
40
72
71
61
39
38
32
33
78
77
74
34
30
75
28
79
29
80
76
73
35
31
46
+ + + +
+ + + +
To MICROPROCESSOR
TONE
TONE
FRONT L
FRONT R
SURROUND R
CENTER
FRONT
SPEAKERS A
R
L
FRONT
SPEAKERS B
R
L
DIGITAL IN
COAXIAL
OPTICAL
2
1
STK-413-220A
STK-413-220A
FL
FR
C
SL
SR
SW
8 ch Electronic Volume with Input Selector and Tone Control
ADSP-21266
DSP
CS-42516
6 ch Codec with S/P DIF Receiver
A
1
2
3
4
B C D E
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HT-R340
SCHEMATIC DIAGRAMS-1
AUDIO INPUT SECTION
MULTI_C
MULTI_SW
MULTI_SR
MULTI_SL
AD_L
AD_R
VIDEO 1_OUT
VIDEO 3_IN
VIDEO 2_IN
R
L
R
L
R
L
R
L
R
L
R
L
R
L
FRONT R
FRONT L
DVD_IN
SURROUND R
SURROUND L
SUBWOOFER
CENTER
(Botom view)
CD_IN
DAC_SR
DAC_SW
DAC_SL
DAC_C
DAC_R
DAC_L
TAPE_IN
V1_OUTR
V1_OUTL
TA_R
TA_L
V3_L
V3_R
V2_L
V2_R
V1_L
V1_R
DVD_L
DVD_R
TU_L
TU_R
CD_L
CD_R
TA_OUTL
TA_OUTR
NC
NC
RI
TAPE_OUT
VIDEO 1_IN
R5005
330
R5006
330
R5009
330
R5010
330
R5013
330
R5014
330
R5017
330
R5018
330
R5021
330
R5022
330
R5025
330
R5100
330
R5101
330
R5102
330
R5103
330
R5104
330
R5105
330
C5008
NC
C5007
NC
C5011
221J
C5016
221J
C5015
221J
C5111
221J
C5110
221J
C5114
221J
C5113
221J
C5115
221J
C5112
221J
R5002
330
R5001
330
R5146
10K
R5026
330
R5145
10K
R5004
100K
R5003
100K
R5007
100K
R5012
100K
R5011
100K
R5016
100K
R5015
100K
R5020
100K
R5019
100K
R5024
100K
R5023
100K
R5028
100K
R5027
100K
R5111
100K
R5110
100K
R5114
100K
R5113
100K
R5115
100K
R5112
100K
R5008
100K
R5029 100K
R5030 100K
R5143
1.2K
R5144
1.2K
R5147
10K
C5141
330J
R5148
10K
C5142
330J
C5035 223J
C5031 474J
D5002
MTZJ6.8B
C5200 47/25
+
C5204 47/25
+
C5203 47/25
+
C5205 47/25
+
C5202 47/25
+
D5001
MTZJ6.8B
C5032 474J
C5134 47/16
+
C5133 47/16
+
C5135 47/16
+
C5201 47/25
+
Q5001
R2S15211FP
1
2
3
4
2-OUT
5
2-C
6
3-C
7
3-OUT
8
AGND
9
4-OUT
10
4-C
11
5-C
12
5-OUT
13
AGND
14
6-OUT
15
6-C
16
FLC
17
FLOUT
18
AGND
19
FROUT
20
FRC
21
22
BASS_L1 21
BASS_L2 22
TRE_L 23
AVCC 24
23
24
65
INRB/RECR2
66
INLB/RECL2
67
INR10/RECR4
68
INL10/RECL4
69
INR11/RECL5
70
INL11/RECL5
71
RECR3
72
RECL3
73
FLIN1
74
FRIN1
75
CIN1
76
SWIN1
77
SLIN1
78
SRIN1
79
SBLIN1
80
SBRIN1
41
42
43
44
45
INR1
46
INL1
47
INR2
48
INL2
49
INR3
50
INL3
51
INR4
52
INL4
53
INR5
54
INL5
55
INR6
56
INL6
57
INR7
58
INL7
59
INR8
60
INL8
61
62
63
64
25
BASS_R1
26
BASS_R2
27
TRE_R
28
SBLIN2
29
SBRIN2
30
CIN2
31
SWIN2
32
SLIN2
33
SRIN2
34
FLIN2
35
FRIN2
36
ADCL
37
ADCR
38
SUBR
39
SUBL
40
MONO
Q5003:B
NJM4580M-D
1
2
3
C5012
221J
C5003
221J
R5500
330
C5130 47/16
+
C5132 47/16
+
C5131 47/16
+
R5901
R5902
C5027
221J
C5028
221J
C5023
NC
C5024
NC
C5020
221J
C5019
221J
C5302
470/25
+
C5301
470/25
+
C5304
C5303
D5500
1SS133
R5304 10K
R5303 10K
Q5003:A
NJM4580M-D
7
4
5
6
8
R5141
10K
R5142
10K
C5033 823J
C5036 223J
C5034 823J
R5041
1.8K
R5042
1.8K
C5004
221J
R5301 100(1/2W)
R5302 100(1/2W)
P5001
P5002
9
7
8
6
4
5
3
1
2
10
P5005
9
7
8
6
4
5
3
1
2
10
P5500
3
2
1
C5051
C5052
P5003
6
4
5
3
1
2
7
P5004
6
4
5
3
1
2
7
C5053
C5054
473K
-6.9V +6.9V
NC
NC
NC
1-C 1
1-OUT 2
AGND 3
64 INL9
63 INR9
62 INLA/RECL1
63 INRA/RECR1
44 AVEE
43 CLOCK
42 DATA
41 DGND
A
1
2
3
4
5
B C D
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HT-R340
COUT
ROUT
LOUT
SROUT
SLOUT
A_+12V
A_-12V
L
R
C
SL
AMUTE
S1_GND
DAC_C
DAC_SW
DAC_SL
DAC_SR
DAC_L
DAC_R
AD_R
AD_L
TU_L
TU_R
VOL_CLK
VOL_DAT
SYS_IN
SR_SW
SR_SW
TU_GND
CODEC_GND
S3_GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
A_GND
To NAAF-8745 (2/2)
J6116
R5202
220K
R5203
220K
R5204
220K
C5210
47/50
C5212
47/50
C5213
47/50
C5214
47/50
C5255
103K
R5200
220K
R5201
220K
Q5201
RN1441
Q5203
RN1441
R5211
2.2K
R5212
2.2K
R5213
2.2K
R5214
2.2K
R5146
10K
Q5202
RN1441
Q5204
RN1441
R5145
10K
R5143
1.2K
R5144
1.2K
R5149
470
R5150
470
Q5002:B
NJM4580M-D 5
6
7
R5207
22
R5206
22
Q5200
RN1441
Q5210
Q5214
Q5212
Q5211
Q5213
Q5215
RN1441
R5225
100
R5210
2.2K
R5220
R5221
R5222
R5223
R5224
C5211
47/50
C5206
220/25
+
C5207
220/25
+
R5216 220K
R5235 47K
R5245 1.2K
R5255
15K
R5265
10K
C5245 221J
Q5205
RN1441
Q5002:A
NJM4580M-D 3
2
4
1
8
R5215
270
C5235
47/50
R5205
C5215
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
<Note>
NC=No mount of parts.
SD = SCHEMATIC DIAGRAMS
U01
AMPLIFER PC BOARD
NAAF-8745 (1/2)
SD-2 (F-5)
+11.8V
-11.8V
2.2/50
2.2k
E F G H
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HT-R340
SCHEMATIC DIAGRAMS-2
POWER AMPLIFIER SECTION
S2-1
S2-2
S3-1
S3-2
+12VD
+10VS
POFF
POFF
POFF2
-VP
R
C
L
S1H+
POWERD
POW_RLY
SW SR
To Power transformer Secondary
RLY_GND
+23V(RLY)
AVR_GND(Audio)
VIDEO_GND
+23V(Audio)
-23V(Audio)
FAC1
D_GND
FAC2
S3-G
C R SL L
B_GND
SP_GND
PH_GND
P6006
4.20Vac
F6002
NAAF-8745 (2/2)
NAETC-8746
Connected to
P.Trans pin
(Crimp Assy)
(Bus Bar)
D_GND
To NAPS-8769
F6001
472J C6080 - C6087 102J
100V
334J/100V
104J/100V
C6005, C6006
C6016
J6414
J6279
J6409
NF_GND
J6415
J6413
G
H
J6410
R6905
J6279, J6410,
J6411
H
G
J6411
J6416
J6408
J6412
R6075
22K
R6105
33K
D9007
RN1N4003
C6007
334J
R6104 33K
R6074
22K
R9501
(1/2W) 22
R9502 330K
C9506 10/50
+
D9002
RN1N4003
C9051
104J
R9503
1
D9010
1SS133
R9504
1
D9011
1SS133
C9001
4700/16
+
C9504
220/63
+
C9503
220/50
+
C9002
22/50
+
C9003
22/50
+
C9004
22/50
+
C9005
22/50
+
D9001
D3SBA20
4
3
1
2
C6201
NC
Q6023
2SC2240-GR
C9505
10/50
+
C9507
1/50
+
C6202
NC
D9009
RN1N4003
R9015
(1/2W) 4.7
R9505
2.2K
R9054
(1/2W) 8.2
R9011
(1/2W)
0.22
JL9002A
7
6
5
4
3
2
1
R9004 47K
R9005 47K
JL9003A
5
4
3
2
1
JL9001B 1
2
3
4
5
6
7
8
JL9001A 1
2
3
4
5
6
7
8
Q9002
TA79012S
2
I
3
O
1
G
C6040
300D
C6042
300D
C6041
300D
R6010
1K
R6012
1K
R6011
1K
R6020
56K
R6022
56K
R6021
56K
R6040
56K
R6042
56K
R6041
56K
R6071
22K
R6073
22K
R6100
33K
R6102
33K
R6101
33K
R6103
33K
R6072
22K
R6070
22K
R6204
(1W)
100
R6205
(1W)
100
C6010
47/25
+
C6012
47/25
+
C6011
47/25
+
C6020
471J
C6022
471J
C6021
471J
C6103
47/50
+
R6090
NC
R6092
NC
R6091
NC
R6060
R6062
R6061
C6102
100/63
+
D6001
D5SBA20
4
3
1
2
D6010
NC
D6012
NC
D6011
NC
Q9006
AN34060A
1
MODE
2
5V
3
VCC
4
GND
5
3.3V
6
NC
7
2.5V
R6052
1K
R6030
1.5K
R6032
1.5K
C6120
NC
C6122
NC
C6121
NC
C6101
100/63
+
R6082
5.6K
R6081
5.6K
R6083
5.6K
R6084
5.6K
Q9001
TA7812S
1
I
2
G
3
O
Q9003
2SA1930
D9012
MTZJ4.7C
R9009
(1/2W) 15
R9012 (2W) 220
R9013 (2W) 220
R9006 (2W) 220
R9007
(2W) 220
R9008 (2W) 270
P6005
C6030
220/35
+
C6032
220/35
+
C6031
220/35
+
R9003
(2W)
12
R9002
(1W) 56
C6004
5600/35
+
C6003
5600/35
+
D9008
MTZJ36D
C9010
10/50
+
C9012
10/50
+
C9011
10/50
+
C9013
10/50
+
D9004
RN1N4003
C9502
470/35
+ R9001
(1W)
6.8
C6001
+
C6002
+
D6002
D5SBA20
4
3
1
2
C6009
NC
D6008
NC
D6007
NC
D9013
RN1N4003
D9006
RN1N4003
R9508
100K
R6080
5.6K
R6050
1K
Q6012 Q6011 Q6013 Q6015 Q6014
JL9002B
1
2
3
4
5
6
7
R9051
(1/2W) 0.22
C6005
C6006
C6008
334J
R9052
(1W) 1
R9053
(1W) 1
C6016
104J
Q9501
2SA970-GR/BL
Q6010
Q9502
KRC105M
R6502
220K
R6501
220K
D6006
MTZJ15C
R6207
(1W) 3.3k
R6206 (1W) 3.3k
D6005
MTZJ15C
R6403
1K
R6404
10K
Q6101
2SA970-GR/BL
R6402
10K
R6903
Q6102
2SC2240-GR
Q6104
RN2402
Q6105
2SA970
GR/BL
Q6106
2SC2240-GR
R6407
10K
R6410
10K
R6409
1K
R6408
10K
R6031
1.5K
R6401
10K
R6405
56K
C6050
472K
C6051
472K
C6053
472K
R6085
5.6K
C6055
472K
C6054
472K
R6412
47K
R6901
R6902
R6051
1K
R6414
220
C6052
472K
Q6109
RN1401
R6413
33K
Q6110
PC817X
C9501
1000/35
+
D9005
RN1N4003
D9003
RN1N4003
C6401
103J
R6905
R6406 47K
Q6103
RN1402
R6201
(1W) 3.3K
R6202
(1W)
3.3K
R6203 33K
D6003
MTZJ15C
D6004
MTZJ15C
C6402
101J
C6403
101J
Q6107
RN1402
Q6001 STK413-220A
1
+VH
+VL
COMP+
COMP-
-VL
6
-VH
7
SUB_G
8
OUT1+
9
OUT1-
10
OUT2-
11
OUT2+
12
-VA
13
+VA
14
IN1
15
FB1
16
BIAS
17
FB2
18
IN2
19
IN3
20
FB3
21
OUT3+
22
OUT3-
E6001
1
+VH
+VL
3
COMP+
4
COMP-
5
-VL
Q6108
RN2402
R6411
56K
U01
AMPLIFIER PC BOARD
U02
TRANS SEC. TERMINAL
PC BOARD
+12
-12V
-26.0V
+24.7V
-36.7V !
!
! !
+11.0V
+2.5V
+5.1V
+3.3V
!
!
!
!
!
!
+52.1V
-52.1V
+25.6V
-25.6V
5
4
3
2
1
SD-4(G-2)
SD-4(H-2)
Q6010 - Q6014 : 2SC2240-GR
0.22
(2W)x2
0.22
(2W)x2
0.22
(2W)x2
+50.1V
-50.1V
0V
10000/63
10000/63
10A/125V
10A/125V
MWT Only
Refer to following table about the parts displayed by mark " ".
MDD, MDC MWT MPP, MPA,
MGK
102J
334J/100V None
None 104J/100V
None Yes Yes
None Yes Yes
Yes None None
Yes None None
<Note>
NC = No mount of parts.
SD = SCHEMATIC DIAGRAMS
A
1
2
3
4
5
B C D
Downloaded from www.Manualslib.com manuals search engine

HT-R340
SL
HP_RLY
F_RLY
S_RLY
THERMAL
SPB_RLY
S1_GND
L
C
R
SL
AD_L
AD_R
DAC_R
DAC_SR
DAC_SL
DAC_SW
DAC_C
TU_R
TU_L
DAC_L
VOL_CLK
VOL_DAT
AMUTE
SYS_IN
A_-12V
A_+12V
SL_OUT
L_OUT
C_OUT
SR_SW
SR_SW
SR_SW
R_OUT
C
SL
SR
SW
R
L
L(SPB)
R(SPB)
HP_L
HP_R
D_GND
VIDEO_12V
-VP
HP_L
HP_R
HP_G
SYS_IN
VOL_DAT
VOL_CLK
A_MUTE
F_RLY
S_RLY
SPB_RLY
CODEC_GND
DAC_SR
DAC_SL
DAC_SW
DAC_C
DAC_R
DAC_L
EVOL_GND
A_-12V
A_+12V
AD_R
AD_L
TU_+12V
TU_R
TU_L
D_GND
S3_GND
D_+3.3V
D_+5V
D_+2.5V
D_+3.3V
D_+5V
FAC2
FAC1
D_+2.5V
A_GND(EVOL_GND)
TU_GND
CODEC_GND
TU_GND
VIDEO_+12V
D_GND
D_GND
+10VS
VIDEO_+12V
VIDEO_GND
VIDEO_GND
POFF2
POFF
TERMAL
VOLH
PROTECT
HP_RLY
APOWER
NC
NC
NC
NC
NC NC
NC
NC
NC
NC
NC
NC
J6176
J6190
P6500
P6501
To NADG-8756
FRONT
SPEAKERS
FRONT
SPEAKERS B
To NAAF-8745 (1/2)
J6411
C6045
300D
R6013
1K
R6045
56K
R6131
4.7
R6133
4.7
R6216
220K
R6111 47K
R6112 47K
R6113 47K
R6115 47K
R6209
(1W)
100
R6210
(1W)
100
C6105
100/63
+
R6043
56K
C6043
300D
R6044
56K
R6023
56K
R6025
56K
R6024
56K
C6015
47/25
+
C6014
47/25
+
C6025
471J
C6024
471J
C6044
300D
R6104 33K
R6211 33K
R6213
10K
C6093
104Z
R6214
47K
C6091
1/50
+
R6134
4.7
R6135
4.7
RL6002
RL6003
RL6005
RL6004
R6251
(1/2W) 390
R6252
(1/2W) 390
C6090
100/16
+
R6215
NC
D6052
1SS133
C6106
47/50
+
D6056
1SS133
R6063
0.22
(2W)x2
R6065
R6064
0.22(2W) x 2
C6080
102J
C6081
102J
C6082
102J
C6083
102J
C6084
102J
C6086
102J
C6087
102J
RL6001
RL6006
R6132
4.7
L6000
3uH
L6001
3uH
L6002
3uH
L6003
3uH
L6004
3uH
L6005
3uH
D6033
MTZJ5.1B
D6055
1SS133
D6031
1SS133
D6032
1SS133
40-GR
Q6022
2SC2240-GR
JL6001B
1
2
3
4
5
6
JL6001A
1
2
3
4
5
6
C6902
NC
Q6004
LM61CIZ
1
G
2
O
3
V
P302
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P303
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C6903
NC
C6109
100/50
+
C6070
103J
C6071
103J
C6072
103J
C6073
103J
C6074
103J
C6075
103J
R6054
1K
R6053
1K
R6055
1K
R6033
1.5K
R6035
1.5K
R6034
1.5K
C6085
102J
D6051
1SS133
C6123
NC
C6125
NC
C6124
NC
C6060
473J
C6061
473J
C6062
473J
C6063
473J
C6064
473J
C6065
473J
R6140
(1W)
8.2
R6141
(1W)
8.2
R6142
(1W)
8.2
R6143
(1W)
8.2
R6144
(1W)
8.2
R6145
(1W)
8.2
D6024
R6124
D6025
R6125
D6023
R6123
D6022
R6122
D6021
R6121
D6020
R6120
R6015
1K
R6014
1K
Q6052
DTC123JKA
Q6051
DTC123JKA
Q6054
KRC105M
C6115 103J
C6112 103J
C6111 103J
C6116 103K
R6114 47K
C6107
100/63
+
C6108
100/63
+
C6110
100/50
+
R6110 47K
C6013
47/25
+
C6104
100/63
+
C6034
220/35
+
C6035
220/35
+
C6033
220/35
+
R6302
(1W) 27
R6301
(1/2W) 56
R6130
4.7
P301
6
5
4
3
2
1
P6002
L
R
P6001
L
L
R
CENTER
SPEAKER
R
SUBWOOFER
Q6021
2SA1163-BL
D6006
MTZJ15C
Q6053
DTC123JKA
R6207
(1W) 3.3k
R6206 (1W) 3.3k
R6208 33K
C6023
471J
Q6002
4
COMP-
5
-VL
6
-VH
7
SUB_G
8
OUT1+
9
OUT1-
10
OUT2-
11
OUT2+
12
-VA
13
+VA
14
IN1
15
FB1
16
BIAS
17
FB2
18
IN2
19
IN3
20
FB3
21
OUT3+
22
OUT3-
SURROUND
SPEAKERS
+12V
-12V
SD-3(A-3)
To NADG-8756
SD-3(A-2)
To NADG-8756
SD-3(A-1)
0.22
(2W)x2
+47.8V
+50.1V
-50.1V
+5V
0V
0V
NC
NC
STK413-220A
E F G H
Downloaded from www.Manualslib.com manuals search engine

HT-R340
SCHEMATIC DIAGRAMS-3
DSP & MICROPROCESSOR SECTION
RTAD
LTAD
+10VS
DSPCLK_3.3V
DSPSDI_3.3V
DSPSDO_3.3V
DIRCS_3.3V
DIRINT0_3.3V
DIRRST_3.3V
BCK
DIRSDO
ADCSDO
DSPMCK
COAX
DSPSDO3
DSPSDO1
DSPSDO2
TU_R
TU_L
GNDTU
+12V_TU
+2.5V_DSP
+3.3V_DSP
+5V_DSP
GND_DAC
RTAD
LTAD
-12V
+12V
SYSIN
VOLDAT
VOLCLK
AMUT
SPRLB
SPRLCS
SPRLF
DAC_FL
DAC_FR
DAC_C
DAC_SW
DAC_SL
DAC_SR
+10VS
+12V_VIDEO
GND_VIDEO
THERMAL
PROTECT
VOLH
APOWER
POFF2
POFFV
HPRL
KEY3
KEY1
KEY0
REMIN
FLDSDO
FLDCLK
FLDCS
FLDRST
KEY2
KEYINT0
KEYINT1
KEYINT2
KEYINT3
VOLA
VOLB
LEDSTBY
GND_HP
HPIN
+5.6S
FAC1
FAC2
-VP
HP_L
HP_R
FAC1
FAC2
-VP
GND_HP
HP_L
HP_R
TU_L
TU_R
STEREO
SD
RDSDAT
RDSCLK
PLLSCL
PLLSDA
OPT2
OPT1
COAX
VMUTV1
VCTRLB
VMUT
VMUTV3
+12V_VIDEO
GND_VIDEO
VCTRLA
+9V_TUNER
GNDTU
LRCK
+5V_DSP
To NAVD-8768
To NAAF-8745
To NAAF-8745 To NAAF-8745
NO NO NO 1k
NO NO NO 1k
NO NO
R710
R720
R721
NC NC
To NADIS-8767
10k 220k
NO YES NO
000J 000J 000J NO
000J NO NO NO
C720
R610
R620
NO YES NO D720
NO 10k NO R621 NO
NO
NO
C312
473K
C313 104Z
R313 220
R314 220
R315 220
R316 220
R317 220
C415
681J
C425
681J
R445
180
R446
180
R448
180
R447
180
C405
472J
R421
470
R422
470
R424
470
R423
470
R409
3.3K
R410
3.3K
R412
3.3K
R411
3.3K
C413
681J
C423
681J
R441
180
R442
180
R444
180
R443
180
C403
472J
R417
470
R418
470
R420
470
R419
470
R405
3.3K
R406
3.3K
R408
3.3K
R407
3.3K
C411
681J
C421
681J
C422
681J
C412
681J
R437
180
R438
180
R440
180
R439
180
C402
472J
R413
470
R414
470
R416
470
R415
470
R402
3.3K
R404
3.3K
R403
3.3K
C310
104Z
R318 220
C304
100/16
+
C307
104Z
C337
222J
C338
222J
Q331:B
NJM4580M-D
2
3
1
R401
3.3K
C401
472J
Q402:A
7
4
5
6
8
Q403:B
1
2
3
Q402:B
1
2
3
Q401:B
1
2
3
C323 330J
R451 4.7
R452 4.7
Q401:A
7
4
5
6
8
C301
470/6.3
+
R322 220
C321 330J
C322 330J
R321 220
Q403:A
7
4
5
6
8
C414
153J
C424
103J
C404
333J
C416
681J
C426
681J
C406
472J
R323 220
Q331:A
NJM4580M-D
5
6
8
7
4
P2011
1
2
3
4
5
6
7
8
9
10
11
R312 33
R308 33
R309 33
R307 33
R303 33
R342 0
R341 0
C451
220/16
+
C452
220/16
+
C332 101J
C311 222K
Q301
CS42518
CS42516-CQZ(R)-D
17
18
19
REFGND
20
AOUTB4-
21
AOUTB4+
22
AOUTA4+
23
AOUTA4-
24
VA
25
AGND1
26
AOUTB3-
27
AOUTB3+
28
AOUTA3+
29
AOUTA3-
30
AOUTB2-
31
31 AOUTB2
32
32 AOUTA2
33
AOUTA2-
34
AOUTB1-
35
AOUTB1+
36
AOUTA1+
37
AOUTA1-
38
MUTEC
39
LPFLT
40
AGND2
41
VARX
42
RXP7/GP7
43
RXP6/GP6
44
RXP5/GP5
45
RXP4/GP4
46
RXP3/GP3
47
RXP2/GP2
48
RXP1/GP1
49
RXP0 49
50
TXP 50
51
VD2
52
DGND2
53
VLS
54
SAI_SDOUT
55
RMCK
56
CX_SDOUT
57
ADCIN2
58
ADCIN1
59
OMCK
60
SAI_LRCK
61
SAI_SLCK
62
CX_SDIN4 62
63
CX_SDIN3 63
64
CX_SDIN2 64
1
CX_SDIN1
2
CX_SCLK
3
CX_LRCK
4
VD1
5
DGND1
6
VLC
7
CCLK/SCL
8
CDOUT/SAD
9
CDIN/AD1
10
CS/AD0
11
INT1
12
_RST
13
AINR-
14
AINR+
15
AINL+
16
AINL-
R332
10K
R333 10K
R334 10K
R436
4.7K
R435
4.7K
R434
4.7K
R433
4.7K
R432
4.7K
R431
4.7K
R430
4.7K
R429
4.7K
R428
4.7K
R427
4.7K
R426
4.7K
R425
4.7K
P302A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
P303A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
E151
NC
1
P301A
1
2
3
4
5
6
P7001A
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P101A
1
2
3
4
5
6
7
8
9
10
11
12
13
C331 101J
C308
104Z
C335
22/50
+
R337
0
C334
22/50
+
C336
22/50
+
R338
0
R336
56
C333
22/50
+
R335
56
C104
104Z
C103
100/16
+
R191 39K
R192 39K
R194
0 R193
33K
C192 100/16
+
C191
100/16
+
D192
NC
1 2
Q191
BD7820
1
_SHUT
2
INPUT
3
GND
4
OUTPUT
5
DAJ
Q101
2SC1815
2
1
3
R101
330
D101
HZU10B
1 2
C101
100/16
+
C306 104Z
R301 33
R304 33
R305 33
R310 33
L301
BLM21PG221
SN1
BLM
SN1
R325
2.7K
L303
L302
C302
470/6.3
+
C303
470/6.3
+
C309
NC
D336
2 1
D334
2 1
D338
2 1
D332
2 1
D335
2 1
D333
2 1
D337
2 1
D331
2 1
R340
3.9K
R339
3.9K
R331
10K
L311
LM182
R311 33
L306
LM182
R306 33
R302 33 L305
LM182
C305
100/10(VX)
+
17 VQ
18 FLT
To TUNER UNIT
+1.2V
+3
+3.3V
SD-4(E-5)
SD-4(E-1)
SD-2(H-3) SD-2(H-4)
SD-2(H-5)
-12V
+12V
Q401 - Q403 : NJM4580M-D
L302, L302 :
BLM21PG221SN1
+2.5V
+5V
+8.9V
<Note>
NC = No mount of parts.
SD = SCHEMATIC DIAGRAMS
MDD,
MDC
MWT MPA,
MGK
MP
Refer to following table about the parts displ
by mark " ".
A
1
2
3
4
5
B C D
Downloaded from www.Manualslib.com manuals search engine

HT-R340
FLAG0_3.3V
DSPSDO_3.3V
DSPCLK_3.3V
DSPCS_3.3V
DSPRST_3.3V
DSPSDI_3.3V
FLDCS
FLDSDO
LEDSTBY
FLDRST
FLDCLK
KEYINT3
KEYINT2
KEYINT1
KEYINT0
KEY3
KEY2
KEY1
KEY0
DSPINT0
PLLSDA
RESET
VMUT
STEREO
SD
REMIN
PROTECT
THERMAL
INT3
DIGCLK
DIGSDI
DIGSDO
DSPRST
DIRCS
DIRPDN
DSPCS
BAND
INT1
INT2
AMUTB
PLLSCL
VCTRLA
VCTRLB
CNVSS
POFF
VMUTB
APOWER
HPIN
RDSDAT
HPIN
VMUTV1
DIRINT0_3.3V
HPRL
SPRLB
SPRLCS
VMUTV3
VMUTV1B
VMUTV3B
DIRPDN
DIRCS DIRRST_3.3V
DIRCS_3.3V
DSPCS
DSPCS_3.3V
DSPRST_3.3V
DSPRST
DSPSDO_3.3V
DSPCLK_3.3V
DIGCLK
DIGSDO
DIRINT0
DSPINT0
DIGSDI
SD
VOLH
OPT2
OPT1
RDSCLK
DIRINT0
ROMSDA
ROMSCL
+VCC
FBUSY
FCLK
FRXD
FTXD
CNVSS
RESET
APOWER
ROMSDA
ROMSCL
VOLDAT
VOLCLK
SPRLF
STEREO
VOLB
VOLA
SYSOUT
SYSIN
DIRINT0_3.3V
FLAG0_3.3V
DSPSDI_3.3V
AMUT
2
1
DIGITAL IN
To FLASH WRITER
NC
1k
1k
NO
R671
R771
NO NO 10k 33k
10k 10k 10k 56k
MDD,
MDC
MWT MPA,
MGK
MPP
NADG-8756
NO
NO
NO
NO
NO
C220
104Z
C241
102K
R205 0
R203 0
R207 0
C228
104Z
C235
104Z C211
104Z
C212
104Z
C215
104Z
C214
104Z
R213
220
R210 220
R209 220
C224
104Z
C238 104Z
C239 104Z
R223 220
R224 220
R222
220
C244 101J
R251
1M
C243
104Z
C703
100/16
+
R776 220
R777 220
R775 220
R738 220
R739 220
R740 220
R730 0
R729 0
C798
104Z
R610
R620
C716
104Z
Q728
RN1404
2 3
1
C730 101J
C729 101J
Q747
RN1404
3
1
2
Q748
RN2402
2
1
3
D747
1SS355
2 1
C767
104Z
Q772
RN2402
1
2 3
D772
1SS355
1 2
C778
102K
C712 104Z
D712
1SS355
2 1
C702
100/16
+
C223
104Z
R201 0
R225 220
C271
104Z
X201
24.576MHz
C748
1/50
+
R744 220
R743 220
R745 220
C232
104Z
C242
103Z
Q705
RN1404
2 3
1
C718
104Z
R131
220
C131
100/16
+
C133
104Z
C132
104Z
R132
220
C272 104Z
D718
1SS355
1 2
C213
104Z
C209
120J
C210
120J
C217
104Z
C218
104Z
C219
104Z
C227
104Z
C230
104Z
C231
104Z
C236
104Z
C713
4.7/50
+
Q712
RN1404
1
2 3
R733 33
R732 33
R731 33
R734 33
D773
HZU5.1B
C790
NC
C791
NC
C792
NC
C789
NC
C795
102K
C797
102K
C793
102K
C794
102K
L701
NCH-1479
Q701
M3062LFGPFP
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
98 VREF
99 AVCC
100 NC
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Q271
TC74VHC541FT
11
Y8
12
Y7
13
Y6
14
Y5
15
Y4
16
Y3
17
Y2
18
Y1
19
_G2
20
VCC
1
_G1
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
Q272
TC74HCT7007AF
1
2
3
4
5
6
7
GND
8
OUT4
9
IN4
10
OUT5
11
IN5
12
OUT6
13
IN6
14
VCC
Q702
S-812C50AUA-C3E
2
I
3
O
1
G
R612 47K
R677
27K
R676
27K
R678
10K
R609 10K
R221 1K
R704 1K
R703
1K
R710
R721
X701
CSTCR6M0055
-R0
R618
220K
R790 4.7K
R791 4.7K
R792 4.7K
R793 4.7K
R794 4.7K
R795 4.7K
R789 4.7K
R797
4.7K
R781
1K
R695 2.7K
R694 2.7K
R696 2.7K
R693 2.7K
R673
220K
R778 1K
R779 1K
R780 1K
R773 47K
R770 10K
R769 10K
R768 10K
R670 NC
R748 1K
R750 1K
R617
10K
R718 10K
R720
R723 1K
R621
R727
1K
R629 2.2K
R630 2.2K
R208 10K
R206 10K
R204 10K
R202 10K
R211
10K
R212 10K
R647
10K
R226 10K
R671
R771
R742 220
R741 10K
P701A
1
2
3
4
5
6
7
8
9
C720
104Z
R669 NC
R668 NC
R643 NC
R774
NC
R735 100
R736 100
R636 2.2K
C735
104
R635 2.2K
L131
L131 : BLM21PG221SN1
U132
GP1FAV51RKF5
1
OUT
3
VCC
2
GND
U131
GP1FAV51RKF5
1
OUT
3
VCC
2
GND
R766
NC
R765
1K
R666
10K
C762
104Z
R767 1K
R753 220
R754 220
R751
1K
R631 10K
R632 10K
R646 10K
D720
1SS355
Q706
NC
3 2
1
C204
220/6.3
2
+
Q201
ADSP-21266
73
73 VDDEXT
74
74 GND
75
VDDINT
76
GND
77
DAI_P10
78
DAI_P11
79
DAI_P12
80
DAI_P13
81
DAI_P14
82
DAI_P15
83
VDDINT
84
GND
85
GND
86
DAI_P16
87
DAI_P17
88
DAI_P18
89
DAI_P19
90
VDDINT
91
GND
92
GND
93
VDDEXT
94
DAI_P20
95
GND
96
VDDINT
97
FLAG2
98
FLAG3
99
VDDINT
100
GND
101
VDDINT
102
GND
103
VDDINT
104
GND
105
VDDINT
106
GND
107
107 VDDINT
108
108 DDINT
109
GND
110
VDDINT
111
GND
112
VDDINT
113
GND
114
VDDINT
115
GND
116
VDDEXT
117
GND
118
VDDINT
119
GND
120
VDDINT
121
RESET
122
SPIDS
123
GND
124
VDDINT
125
SPICLK
126
MISO
127
MOSI
128
GND
129
VDDINT
130
VDDEXT
131
AVDD
132
AVSS
133
GND
134
CLKOUT
135
EMU
136
TDO
137
TDI
138
TRST
139
TCK
140
TMS
141
GND
142
CLKIN
143
XTAL
144
VDDEXT
1
VDDINT 1
2
CLKCFG0 2
3
CLKCFG1
4
BOOTCFG0
5
BOOTCFG1
6
GND
7
VDDEXT
8
GND
9
VDDINT
10
GND
11
VDDINT
12
GND
13
VDDINT
14
GND
15
FLAG0
16
FLAG1
17
AD7
18
GND
19
VDDINT
20
GND
21
VDDEXT
22
GND
23
VDDINT
24
AD6
25
AD5
26
AD4
27
VDDINT
28
GND
29
AD3
30
AD2
31
VDDEXT
32
GND
33
AD1
34
AD0
35
WR 35
36
VDDINT 36
37
VDDINT
38
GND
39
RD
40
ALE
41
AD15
42
AD14
43
AD13
44
GND
45
VDDEXT
46
AD12
47
VDDINT
48
GND
49
AD11
50
AD10
51
AD9
52
AD8
53
DAI_P1
54
VDDINT
55
GND
56
DAI_P2
57
DAI_P3
58
GND
59
VDDEXT
60
VDDINT
61
GND
62
DAI_P4
63
DAI_P5
64
DAI_P6
65
DAI_P7
66
VDDINT
67
GND
68
VDDINT
69
GND
70
DAI_P8
71
DAI_P9
72
VDDINT
L201
BLM21PG221SN1
C704
100/16
+
L202
BLM21PG221
SN1
R747
2.2K
C750
474K
Q735
S-24CS16A0I-J8V1G
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
R749
1K
P201
JTAGNC
1
3
5
7
9
11
13 14
12
10
8
6
4
2
R231
56
L231
LM182
C749
474K
OPTICAL
U04
DSP & MICROPROCESSOR PC BOARD
HPIN
VOLB
VOLA
STEREO
SD
REMIN
SYSOUT
SYSIN
PROTECT
THERMAL
VOLH
APOWER
VOLDAT
VOLCLK
SPRLF
VCTRLA
VCTRLB
VMUTV1B
VMUTV3B
CNVSS
RDSDAT
DSPINT0
PLLSDA
PLLSCL
VMUTB
DIGCLK
DIGSDI
DIGSDO
DSPRST
DIRCS
DIRPDN
DSPCS
ROMSDA
ROMSCL
AMUTB
FLDCS
FLDSDO
LEDSTBY
FLDRST
FLDCLK
KEYINT3
KEYINT2
KEYINT1
KEYINT0
KEY3
KEY2
KEY1
KEY0
AVSS
81 HPRL
82 NC
83 NC
NC
VSS
NC
NC
NC
NC
NC
VCC2
NC
NC
NC
FCE
SPRLCS 50
NC 49
SPRL B 48
DSPINT2
DSPINT3/DIRINT1
DSPINT1
NC
NC
NC
NC
NC
NC
XOUT
VSS
XIN
VCC1
NC
NC
NC
FCLK 33
FRXD 32
FTXD 31
NC
HOLD
+5V
+5V
+5V
+5V
+5V
+3.3V
+3.3V
+1.2V
+3.3V
+1.2V
+5V
+10V
MPP
s displayed
Refer to following table about the parts displayed
by mark " ".
E F G H
Downloaded from www.Manualslib.com manuals search engine

HT-R340
SCHEMATIC DIAGRAMS-4
DISPLAY SECTION / POWER SUPPLY SECTION / VIDEO SECTION
FLDRST
FLDCS
FLDCLK
FLDSDO
HP_L
HPIN
HP_R
GND_HP
LEDSTBY
KEYINT0
KEY0_2
GNDTACT
HPIN
HP_L
HP_R
GND_HP
KEYINT0
STANDBY
CD
TUNER
TAPE
VIDEO 3
VIDEO 2
VIDEO 1/
VCR
DVD
MEMORY
DIGITAL
INPUT
DISPLAY
LISTENNG
MODE>
LISTENIG
MODE<
STEREO
TONE+
TONE-
TONE
TUNING UP
TUNING
DOWN
PRESET
UP
PRESET
DOWN
ENTER
SETUP
RETURN
TUNING
MODE
DIMMER
MULTI CH
NADIS-8767
STANDBY/ON
SPEAKERS A
SPEAKERS B
NASW-8770
NAETC-8771
S7318
S7317
S7316
S7315
S7312
S7328
S7327
S7326
S7325
S7324
S7323
S7322
S7329
S7339
S7338
S7337
S7336
S7335
S7334
S7333
S7332
S7313
S7319
C7009
223Z
C7005 101J
C7006 101J
C7007 101J
C7008 101J
C7004 101J
C7012 223Z
C7213
102K
R7402 10K
R7403
10K
R7404
10K
R7005 3.3K
R7332
470
R7333
560
R7334
820
R7335
1.2K
R7336
2.2K
R7337
3.9K
R7338
12K
R7322
470
R7323
560
R7324
820
R7325
1.2K
R7326
2.2K
R7327
3.9K
R7328
12K
R7312
470
R7313
560
R7314
820
R7315
1.2K
R7316
2.2K
R7317
3.9K
Q7002
M66005
49
SEG2 50
SEG1
51
SEG0
52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
DIG4
1
DIG03
2
DIG02
3
DIG01
4
DIG00
5
_RESET
6
_CS
7
SCK
8
SDATA
9
P1
10
P0
11
VCC1
12
XOUT
13
XIN
14
VSS
15
SEG35
16
SEG34
17
SEG33
18
SEG32
19
SEG31
20
SEG30
21
SEG29
22
SEG28
23
SEG27
24
VP
25
SEG26
26
SEG25
27
SEG24
28
SEG23
29
SEG22
30
SEG21
31
SEG20
32
SEG19
33
SEG18
34
SEG17
35
SEG16
36
SEG15
37
SEG14
38
SEG13
39
SEG12
40
SEG11
41
SEG10
42
SEG9
43
SEG8
44
SEG7
45
SEG6
46
SEG5
47
SEG4
48
SEG3
R7001 100K
R7008 220
R7006 3.3K
R7007 220
R7004
27K
C7402 103Z
R7201
2.2K
R7211
100
R7301
330
R7311
330
R7321
330
R7331
330
S7311
S7321
S7331
R7401 10K
S7401
4
2
5
3
1
C7401 103Z
R7212
1.2K
C7002
104J
C7211
100/16
+
C7001
100/16
+
C7019 NC
C7018 NC
C7017
NC
C7015
NC
C7020
NC
R7011
220
R7012
220
Q7001
16BT128
1
F21
2
F22
5
1G
6
2G
7
3G
8
4G
9
5G
10
6G
11
7G
12
8G
13
9G
14
10G
15
11G
16
12G
17
13G
18
14G
19
15G
20
16G
21
P1
22
P2
23
P3
24
P4
25
P5
26
P6
27
P7
28
P8
29
P9
30
P10
31
P11
32
P12
33
P13
34
P14
35
P15
36
P16
37
P17
38
P18
39
P19
40
P20
41
P21
42
P22
43
P23
44
P24
45
P25
46
P26
47
P27
48
P28
49
P29
50
P30
51
P31
52
P32
53
P33
54
P34
55
P35
58
F11
59
F12
JL7101A
1
2
3
4
5
6
7
C7013
223Z
C7014
223Z
C7051
104J
C7052
104J
D7011
MTZJ8.2C
D7201
Q7003
2SC2458-GR
2
1
3
C7011 223Z
L7011 220K
L7012
220K
C7003
1/50
+
C7010
220/50
+
U7212
3
2
1
C7016
220/50
+
JL7101B
7
6
5
4
3
2
1
JL7102A
5
4
3
2
1
S7303
S7304
S7307
R7302
470
R7303
560
C7053
104J
E7501
C7501
102K
C7502
102K
P7501
1
8
7
3
2
4
5
JL7102B
1
2
3
4
5
C7503
102K
C7504
102K L7503
022M
L7501
022M
L7502
022M
To NADG-
PHONES
AGAINST FIRE HAZARD, REPLACE
V A
FOR CONTINUED PROTECTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
CAUTION
ATTENTION
ET CALIBRATION COMME INDIQUE.
D'INCENDIE, REMPLACER UNIQUEMENT
PERMANENTE CONTRE LES RISQUES
AFIN D'ASSURER UNE PROTECTION
PAR UN FUSIBLE DE MEME TYPE
V A
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
FOR CONTINUED PROTECTION AGAINST FIRE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
<Note>
NC=No mount of parts.
SD = SCHEMATIC DIAGRAMS
U05 DISPLAY PC BOARD
U09
HEADPHONE JACK PC BOARD
U08
SWITCH PC BOARD
VOLUME
+5V
+5V
-36.7V
SD-3(C
A
1
2
3
4
5
B C D
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Get your hands on the Onkyo HT-R340 AV RECEIVER Service Manual in English. This manual is available in PDF format, making it a valuable resource for both professional mechanics and DIY enthusiasts. It contains detailed technical information essential for repairing and maintaining the Onkyo HT-R340 AV RECEIVER. Whether you're troubleshooting, repairing, or conducting regular maintenance, this manual provides the necessary insights to ensure optimal performance.