Sony STR-DH720 / STR-DH720HP Service Manual ▷ View online
STR-DH720/DH720HP
STR-DH720/DH720HP
25
25
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
DIGITAL BOARD (4/4)
20
23
16
17
21
22
24
19
18
13
14
3.3
5
1.3
7
9
15
6.7
0
0
0
3.3
1.3
1.3
1.8
1.3
3.3
1.8
1.8
1.8
0
2.4
5
2.4
2.4
2.4
2.4
2.4
2.4
2.4
0
5
V2_AUDIO_L
V2_AUDIO_R
VIDEO2_AGND
VIDEO2_AGND
DCAC_IN
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
I
O
COM
1
2
3
4
2
3
4
7
6
5
4
3
2
1
13
12
11
10
8
9
14
22
23
24
25
26
27
28
16
17
18
19
21
20
15
DAC_MUTE
LRCLK_OUT
BCLK_OUT
MCK
DIN4/DNC
DIN1
DIN2
DIN3
DAC_LA
T
TEMP_SENSOR_2
TEMP_SENSOR_1
TUNER_CE
DA
CK
CK
IISD
FUSE_DET
+15V_TUNER
SBL
SBR
SL
SR
C
SW
VCC_3.3V
E2P_DATA
E2P_CLK
NO_USE
TUNER_MISO
+7V
COM_DA
TA
COM_CLK
TUNER_RDS_DATA
R
L
C2510
0.1
D2003
1SS367-T3SONY
D2004
1SS367-T3SONY
FB2502
0uH
C2508
0.1
FB2501
0uH
C251
1
100p
C2512
10
C2421
1
CL2204
CL2203
CL2201
CL2200
C2506
0.1
C2502
0.1
C2501
10
10k
R2421
R251
1
10k
10k
R2512
D2018
1SS367-T3SONY
L_CH
Vcc
R_CH
GND
SD
CE
CE
DI
CLK
TUNER_MISO/ DO
CN2003
9P
IC2005
KIA7809AF/API
C2015
0.47
JL2021
JL2022
JL2821
JL2822
JL2823
JL2824
JL2825
JL2826
JL2827
JL2022
JL2821
JL2822
JL2823
JL2824
JL2825
JL2826
JL2827
C2517
1000p
C2531
1000p
C2514
0.01
C2516
0.01
C2515
0.1
C2424
0.1
C2504
0.1
C2003
0.1
33
R2509
22k
R2540
33k
R2541
C2503
220 4V
C2016
47 16V
CN2501
4P
+3.3V
DGND
TEMP_SENSOR_1
TEMP_SENSOR_2
DGND
TEMP_SENSOR_1
TEMP_SENSOR_2
FB2043
0uH
C2422
4.7
D2713
DA2J10100L
FB2890
0uH
IC2421
TK11150CSCL-G
ON/OFF
GND
NoiseBypass
VOUT
VIN
C2033
0.1
C2882
100
10V
C2507
10 16V
C2509
10
16V
C2096
100 16V
10k
R2938
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
11
12
13
14
15
16
17
18
19
BRIG_RY
HP_DET
+15V_TUNER
EVOL_DATA
EVOL_CLK
+15V_TUNER
EVOL_DATA
EVOL_CLK
C/SL/SR_RY
SBL/SBR_RY
FL/FR_RY
SW_RY
HP_RY
LIMITER
PROTECTOR
RECTIFIER_TEMP
CL2011
CL2074
CL2073
CL2075
CL2071
CL2072
CL2070
CL2067
CL2066
CL2069
CL2063
CL2062
CL2065
CL2064
CL2068
CL2082
D2110
DA2J10100L
D2302
MC2838-T112-1
D2303
MC2838-T112-1
CN2105
19P
NC
1 +3.3V
DGND
REG_TEMP
HP_RY
PREOUT_SW_RY
FL-FR_RY
SBL-R_RY
BRIDGEABLE_RY
C-SLR_RY
PROTECTOR
LIMITER
HP_DET
+15V_TUNER
EVOL_DATA
EVOL_CLK
VIDEO2_R
A_GND
VIDEO2_L
REG_TEMP
HP_RY
PREOUT_SW_RY
FL-FR_RY
SBL-R_RY
BRIDGEABLE_RY
C-SLR_RY
PROTECTOR
LIMITER
HP_DET
+15V_TUNER
EVOL_DATA
EVOL_CLK
VIDEO2_R
A_GND
VIDEO2_L
JL2878
IC2501
WM8768GEDS/R
MODE
MCK
BCK
LRCK
DVDD
DGND
DIN1
DIN2
DIN3
DIN4/DNC
ML/I2S
MC/IWL
MD/DM
MUTE
TEST_REF
VREF_N
VREF_P
VMID
VO4L
VO4R
VO1L
VO1R
VO2L
VO2R
VO3L
VO3R
AGND
AV
D
D
1k
R2962
1k
R2963
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
11
12
13
14
15
16
17
18
LRCK/LOUT
BCLK/ROUT
-7V
+7V
CL2032
CL2017
CL2015
CL2013
CL2022
CL2019
CL2016
CL2045
CL2028
CL2048
CL2012
CL2020
CL2018
CL2014
CL2029
JL2863
CN2114
19P
+7V
-7V
L_IN
AGND
AGND
R_IN
FR_OUT
FL_OUT
SW_OUT
C_OUT
SR_OUT
SL_OUT
SBR_OUT
SBL_OUT
DCAC_IN
TUNER_R
TUNER_L
L_IN
AGND
AGND
R_IN
FR_OUT
FL_OUT
SW_OUT
C_OUT
SR_OUT
SL_OUT
SBR_OUT
SBL_OUT
DCAC_IN
TUNER_R
TUNER_L
19 NC
10k
R2058
R2159
3.3k
C2140
0.1
IC2106
CAT24C64WI-GT3
1
A0
2
A1
3
A2
4
GND
5 SDA
6 SCL
7 WP
8 VCC
EEPROM
IC2106
+9V REG
IC2005
IC B/D
D/A CONVERTER
IC2501
LRCK/LOUT
BCLK/ROUT
+5V REG
IC2421
DIGITAL BOARD
(2/4)
(Page 23)
DIGITAL BOARD
(3/4)
(Page 24)
DIGITAL BOARD
(3/4)
(Page 24)
DIGITAL BOARD
(3/4)
(Page 24)
9
10
11
7
MAIN
BOARD
(3/4)
CNP410
(Page 29)
F
TEMP-SENSOR
BOARD
CN250
(Page 45)
E
MAIN
BOARD
(3/4)
CNP411
(Page 29)
G
6
COAXIAL
GND
AM
2
1
8
4
TN1
5
VCC +9V
SD
RCH OUT
DI
DO/ST/SD 9
3
LCH OUT
ANTENNA
CL
7
CE
FM 75
10
RDS DATA 11
RDS INT
(ECE)
10
11
11
CN2002
11P
RDS_INT
RDS_DATA
(US, CND)
(ECE)
I2C/RDSI
JL2828
JL2829
JL2829
5-12. SCHEMATIC DIAGRAM – DIGITAL Board (4/4) –
• See page 46 for IC Block Diagrams.
Note 1: IC2106 on the DIGITAL board cannot exchange with
single. When this part on the DIGITAL board is damaged,
exchange the entire mounted board.
exchange the entire mounted board.
Note 2: When the DIGITAL board (Suffi x-11) is replaced, refer
to “NOTICE OF BOARD VERSION CHECK” (page 4).
Ver. 1.2
STR-DH720/DH720HP
STR-DH720/DH720HP
26
26
5-13. PRINTED WIRING BOARD – MAIN Board –
• See page 19 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
JR
B
E
B
E
B E
B E
B E
B E
B E
B E
B E
B E
B
E
B E
B
E
B E
B
E
B
E
B E
B E B E
B
E
JR
JR
B E
B E
B E
B E
B
E
B
E
I
O
IC352
I
O
IC350
IC801
15
14
2
1
15
14
2
1
15
14
2
1
15
14
2
1
IC701
IC601
IC501
IC400
20
21
41
60
40
61
80 1
Q654
HS921
Q851
Q852
Q853
Q854
HS350
15
CNP920
R609
R610
R612
R613
R809
R810
R812
R813
LP401
R628
R629
L678
R828
R829
L878
C408
C603
C605
C607
C608
C609
C803
C610
C805
C612
C807
C808
C809
C810
R659
C812
R660
R662
R663
R859
C629
R860
R862
R863
C829
R678
R679
F910
R878
F91
1
R879
F912
F913
C458
C653
C655
C657
C658
C659
Q503
Q504
C853
C660
C855
C662
C857
C858
C471
C859
Q701
Q702
Q703
Q704
C860
C862
C679
RR1
1
RR12
RR13
RR14
RR15
RR17
RR18
C879
L728
J401
J405
Q551
Q552
Q553
Q554
R302
Q751
Q752
Q753
Q754
L550
R513
LP401
R709
R710
R712
R713
R728
R729
L778
R920
R545
R351
R546
R356
C703
C705
C707
R550
C320
C708
R551
C709
R553
R361
C325
R558
C710
R365
C712
R759
C912
C913
R567
R377
R760
R762
R763
C729
RY
30
1
C545
C351
C546
C547
C353
R778
R779
C550
C552
C555
C557
C558
C559
C753
C560
C561
C755
C757
C758
C759
Q601
Q602
Q603
Q604
C760
C762
Q801
Q802
R
Y920
C779
D921
L628
L828
Q651
Q652
Q653
TB502
TB503
ET300
J409
C321
C380
C381
C382
C383
C384
C385
C386
C387
C930
C931
JWH603
JWH600
JWH601
JW758
JW770
JW796
JW797
JW603
JW609
JW803
JW612
JW807
JW624
JW628
JW833
JW660
JW665
JW670
JW671
JW672
JW674
JW677
JW691
JW709
JW710
JW713
JW721
JW728
JW741
JW742
JW743
JW746
JW757
JW762
JW775
JW787
JW788
JW601
JW801
JW804
JW61
1
JW613
JW815
JW625
JW633
JW641
JW643
JW646
JW707
JW708
JW731
JW732
JW751
JW752
JW755
JW759
JW760
JW773
JW783
JW792
JW604
JW605
JW621
JW821
JW824
JW635
JW636
JW639
JW645
JW650
JW682
JW689
JW693
JW738
JW740
JW753
JW756
JW763
JW768
JW772
JW774
JW782
JW805
JW614
JW809
JW617
JW623
JW627
JW629
JW820
JW630
JW637
JW642
JW649
JW654
JW666
JW667
JW673
JW694
JW695
JW718
JW739
JW744
JW747
JW766
JW790
JW795
JW648
JW651
JW656
JW659
JW661
JW663
JW690
JW717
JW719
JW719
JW722
JW745
JW761
JW764
JW769
JW776
JW779
JW780
JW784
JW798
JW600
JW606
JW607
JW610
JW615
JW619
JW620
JW622
JW816
JW818
JW826
JW638
JW832
JW644
JW652
JW657
JW658
JW662
JW664
JW668
JW678
JW683
JW684
JW685
JW688
JW692
JW504
JW700
JW704
JW712
JW716
JW724
JW726
JW729
JW749
JW767
JW777
JW778
JW781
JW785
JW791
JW793
JW602
JW608
JW800
JW802
JW618
JW811
JW626
JW631
JW632
JW634
JW640
JW655
JW669
JW676
JW680
JW681
JW686
JW687
JW698
JW699
JW703
JW705
JW711
JW714
JW715
JW720
JW725
JW733
JW734
JW736
JW737
JW750
JW697
JW701
JW616
JW808
JW813
JW647
JWH604
JWH602
TB504
JW653
RY
35
0
RY
35
5
R
Y360
RY
36
5
R
Y375
JW819
JW675
11
9
CNP410
1
19
CNP41
1
1
5
CNP930
1
5
CN391
JW679
D326
D327
D910
D911
D912
D913
Q661
Q662
Q861
Q862
Q301
Q320
Q321
Q323
Q324
Q325
Q711
Q712
Q920
Q350
Q355
Q550
Q360
Q555
Q365
Q375
Q761
Q762
Q611
Q612
Q811
Q812
D365
D375
D761
D770
D61
1
D81
1
D620
D820
D661
D861
D670
D870
D301
D71
1
D720
D920
D350
D355
D550
D551
D360
D302
D303
D352
R401
R402
R403
R405
R408
R601
R602
R603
R604
R606
R607
R608
R801 R802
R803
R804
R611
R806
R807
R614
R808
R615
R616
R81
1
R620
R814
R815
R622
R816
R820
R822
R630
C400
C405
R830
R449
C602
R450
R451
R452
R453
R455
C802
R458
C611
R651 R652
R653
R654
R656
R657
R658
C811
R466
R467
C620
R851
R853
R854
R661
R856
R857
R470
R664
R858
R665
R666
C820
R861
R670
R864
R865
R672
R866
C449
R870
CL339
R872
C450
R680
R880
C652
C852
CL357
CL358
C661
JR601
JR602
CL362
CL363
CL364
C861
CL367
CL368
C670
CL369
CL370
CL371
CL372
CL373
C488
C870
C489
C499
R301
R304
R701
R702
R703
R704
R706
R707
R320
R708
R325
R326
R327
R328
R711
R714
R715
R716
R720
R722
R921
R730
R925
CL393
R544
R350
R547
R353
R354
R548
R549
R355
C702
R358
R552
R554
R360
R555
R556
R557
R363
R559
C711
R366
R367
R751 R752
R753
R560
R754
R562
R756
R563
R757
C910
R564
R758
C911
R565
R566
R568
C720
R569
R375
R378
R761
R764
R765
R766
R770
R772
C350
C352
C548
R780
C551
C553
C554
CC01
CC02
CC03
CC05
CC08
C752
CC11
CC12
CC13
CC14
CC15
CC17
CC18
C761
JR700 JR701
JR706
C770
D536
CC51
CC52
CC53
CC55
CC58
C933
C932
C390
C397
C391
C392
R380
R387
C396
R385
R386
R388
C388
CL301
CL302
CL303
CL305
CL309
CL307
CL310
CL306
CL308
CL304
CL311
CL314
CL315
CL313
CL312
JR707
CL300
CL323
CL329
CL321
CL318
CL320
CL322
CL317
CL316
CL319
CL326
CL327
CL325
CL328
CL333
CL324
R381
R382
C393
CL382
CL381
R383
C394
R384
C395
CL340
CL341
CL337
CL338
CL336
CL335
C322
C389
R389
R357
R321
CL344
CL347
CL348
CL345
CL346
CL356
CL355
CL374
CL375
CL366
CL360
CL361
JR600
CL359
JR603
JR604 JR605
R852
JR606
JR607
CL376
CL399
CL392
CL387
CL380
CL389
CL401
CL398
CL385
CL378
CL394
CL386
CL396
CL390
CL384
CL388
CL391
CL379
CL400
CL395
CL377
CL383
CL397
R392
R393
R394
R395
CL351
CL350
CL349
C398
C399
R348
JR608
JR609
C491
C323
C402
C401
C324
C404
C403
C490
MAIN
BOARD
BOARD
1-883-403-
13
(13)
–
+
–
+
–
+
–
+
SURROUND
BACK/
FRONT HIGH
SURROUND
CENTER
L
R
L
R
FRONT
SPEAKERS
(CHASSIS)
R
L
R
L
R
L
R
L
R
L
(CHASSIS)
(CHASSIS)
(CHASSIS)
TV
AUDIO
IN
VIDEO 1
AUDIO
OUT
VIDEO 1
AUDIO
IN
SAT/CATV
AUDIO
IN
SA-CD/CD
AUDIO
IN
SUBWOOFER
AUDIO
OUT
B
DIGITAL
BOARD
CN2114
CN2114
(Page 20)
C
DIGITAL
BOARD
CN2105
CN2105
(Page 20)
J
HEADPHONE
BOARD
CN790
(Page 45)
H
POWER
TRANSFORMER
(MAIN)
T901
(Page 37)
I
POWER
TRANSFORMER
(MAIN)
T901
(Page 37)
(CHASSIS)
ECE
+
–
R
L
R
L
Ver. 1.1
STR-DH720/DH720HP
STR-DH720/DH720HP
27
27
5-14. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MAIN BOARD (1/4)
18
20
21
22
19
1
2
3
4
5
6
7
2
3
4
5
6
7
8
9
9
10
12
13
14
13
14
15
16
11
17
-1
0
0
-60
0
-1
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
-1
0.4
-0.5
-1
0.4
-0.5
-1
0.4
-0.5
-1
0.4
-0.5
0.4
-1
1
0.4
-1
1
0.4
-1
1
0.4
-1
1
-61
61
61
1
0
0
0
0
0
-60
-1
1
-61
61
61
1
0
0
0
0
0
-60
-1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
SBL_OUT
SBR_OUT
FR_OUT
R813
0.22
Q503
MN2488-OPY-MK
SBL +VE
47k
R830
R863
0.22
Q753
MN2488-OPY-MK
FR +VE
4.7k
R811
47k
R780
82k
R857
Q801
2SA1175-HFE
2SA1175-HFE
1.5k
R764
4.7k
R861
C870
0.01
Q504
MP1620-OPY-MK
SBL -VE
4.7k
R761
68k
R766
1.5k
R814
R779
10
15k
R815
Q754
MP1620-OPY-MK
FR -VE
1.5k
R864
C761
220p
C820
0.01
2.2k
R856
C879
0.022
2.2k
R756
68k
R804
Q854
MP1620-OPY-MK
C -VE
C861
220p
68k
R816
Q851
2SA1175-HFE
R879
10
2.2k
R806
R829
10
C779
0.022
82k
R757
R862
6.2k
15k
R865
68k
R866
47k
R880
R812
6.2k
15k
R765
R763
0.22
C770
0.01
82k
R807
Q853
MN2488-OPY-MK
C +VE
C829
0.022
C811
220p
1k
R851
1k
R801
C852
100p
68k
R852
68k
R802
R760
100
R859
100
R809
100
R810
100
R860
100
R759
100
R762
6.2k
D536
MAZ8056GMLS0
22k
R548
22k
R549
100k
R772
100k
R822
100k
R872
68k
R854
2.2k
R853
47k
R820
47k
R870
0
R544
Q752
Q852
2SD2144S-V
Q802
2SD2144S-V
2SD2144S-V
1k
R560
C553
100p
68k
R554
68k
R565
2.2k
R563
82k
R555
2.2k
R556
Q551
BIAS
BIAS
BIAS
BIAS
BIAS
Q751
2SA1175-HFE
BIAS
BIAS
2SD2144S-V
BIAS
R553
100
R567
100
Q552
Q554
MP1620-OPY-MK
SBR -VE
Q553
MN2488-OPY-MK
SBR +VE
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
R513
0.22
4.7k
R552
C554
0.01
L550
1.7uH
1.5k
R562
C550
0.022
C551
220p
R551
10
R558
6.2k
15k
R564
68k
R569
47k
R568
R550
4.7
L828
1.7uH
R828
4.7
L878
1.7uH
R878
4.7
L778
1.7uH
R778
4.7
100k
R559
47k
R557
C853
10p
C803
10p
C560
10p
C855
3p
C805
3p
C559
3p
C857
47 25V
C757
47 25V
C807
47 25V
C558
47 25V
C812
220
10V
C557
220
10V
C860
10
50V
C555
10
50V
560
R758
560
R858
560
R808
560
R566
C802
100p
C862
[SBL]
[SBR]
220
10V
C810
10
50V
2.2k
R803
6.8k
R547
47k
R770
C552
47p
C808
47p
C858
47p
C561
47p
C809
47p
C758
47p
C859
47p
C759
47p
Q862
2SA1514KT146S
Q811
2SA1514KT146S
Q762
2SA1514KT146S
Q555
2SA1514KT146S
Q861
2SA1514KT146S
Q812
2SA1514KT146S
Q761
2SA1514KT146S
Q550
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
2SA1514KT146S
IC801
STK350-630TS-E
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
IC501
STK350-630TS-E
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
D550
DA2J10100L
D551
DA2J10100L
D820
DA2J10100L
D81
1
DA2J10100L
D870
DA2J10100L
D861
DA2J10100L
D770
DA2J10100L
D761
DA2J10100L
C545
47 25V
C548
0.1
[FR]
[SBL]
[SBR]
[C]
[C]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SBR_OUT
C_OUT
C_OUT
SBL_OUT
PRE DRIVER
IC501
PRE DRIVER
IC801
CL394
CL395
CL396
CL397
1
MAIN BOARD
(2/4)
(Page 28)
3
MAIN BOARD
(2/4)
(Page 28)
4
MAIN BOARD (3/4)
(Page 29)
5
MAIN BOARD (3/4)
(Page 29)
2
MAIN BOARD
(2/4)
(Page 28)
STR-DH720/DH720HP
STR-DH720/DH720HP
28
28
5-15. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (2/4)
25
26
24
23
27 28 29 30
32
33 34
1
2
3
4
5
6
7
3
4
5
6
7
8
9
9
10
12
13
14
13
14
15
16
11
31
(CHASSIS)
61
1
0
-61
-1
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
-1
0.4
-0.5
0.4
-1
1
-1
0.4
-0.5
0.4
-1
1
-1
0.4
-0.5
0.4
-1
1
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
0
0
3.3
3.3
0
0
-61
3.3
-61
0
-60
0
0
0
-60
0
15
-61
61
61
1
0
0
0
0
0
-60
-1
1
-61
61
61
1
0
0
0
0
0
-60
-1
1
E
2
3
4
5
3
4
5
SL_OUT
SR_OUT
HP
FR_OUT
FL_OUT
HP_DET
FL_OUT
Q653
MN2488-OPY-MK
SR +VE
R662
6.2k
47k
R680
2.2k
R656
1.5k
R664
C679
0.022
82k
R657
4.7k
R661
68k
R666
Q604
MP1620-OPY-MK
SL -VE
Q603
MN2488-OPY-MK
SL +VE
R679
10
Q654
MP1620-OPY-MK
SR -VE
15k
R665
R663
0.22
C670
0.01
C661
220p
Q701
1.5k
R714
C711
220p
Q703
MN2488-OPY-MK
FL +VE
R729
10
2.2k
R706
C720
0.01
82k
R707
4.7k
R711
C729
0.022
Q704
MP1620-OPY-MK
FL -VE
15k
R715
R713
0.22
R712
6.2k
68k
R716
39k
R326
Q324
2SC3052EF-T1-LEF
C325
10
50V
10k
R327
6.8k
R325
Q321
PROTECTOR
PROTECTOR
PROTECTOR
PROTECTOR
PROTECTOR
2SC3052EF-T1-LEF
1k
R328
1k
R601
C602
100p
1k
R651
C652
100p
68k
R652
1k
R751
1k
R701
C752
100p
C702
100p
68k
R752
68k
R702
2.2k
R375
Q375
RELAY DRIVER
2SC3052EF-T1-LEF
47k
R730
R709
100
R710
100
R660
100
R659
100
47k
R378
Q325
2SC2713-G
100k
R672
100k
R722
CL364
CL362
CL363
D327
MC2838-T112-1
D326
MC2838-T112-1
R610
100
82k
R607
R609
100
2.2k
R606
R613
0.22
C611
220p
R612
6.2k
4.7k
R611
1.5k
R614
100k
R622
C620
0.01
15k
R615
68k
R616
47k
R630
C629
0.022
R629
10
47k
R670
47k
R620
R545
0.47
R546
0.47
Q702
Q651
2SA1175-HFE
BIAS
2SA1175-HFE
BIAS
Q601
2SA1175-HFE
BIAS
Q652
2SD2144S-V
BIAS
2SD2144S-V
BIAS
Q602
2SD2144S-V
BIAS
1
2
3
B
C
E
L678
1.7uH
R678
4.7
L628
1.7uH
R628
4.7
L728
1.7uH
R728
4.7
68k
R602
C703
10p
C753
10p
C653
10p
C603
10p
C607
47 25V
C707
47 25V
C657
47 25V
C610
10
50V
C710
10
50V
C660
10
50V
C760
10
50V
560
R608
560
R708
560
R658
68k
R704
2.2k
R703
C705
3p
C712
220
10V
68k
R604
2.2k
R603
C605
3p
C612
220
10V
68k
R754
C755
3p
C762
220
10V
2.2k
R753
47k
R720
C658
47p
C708
47p
C608
47p
C659
47p
C609
47p
C709
47p
Q712
2SA1514KT146S
Q662
2SA1514KT146S
Q611
2SA1514KT146S
Q320
2SA1514KT146S
Q612
2SA1514KT146S
Q661
2SA1514KT146S
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT
DETECT
Q711
2SA1514KT146S
Q323
2SA1514KT146S
IC601
STK350-630TS-E
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
IC701
STK350-630TS-E
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
ET300
CN391
5P
NC
1
HP DETECT
R-CH
GND
L-CH
GND
L-CH
D302
1SS367-T3SONY
D303
1SS367-T3SONY
D670
DA2J10100L
D661
DA2J10100L
D720
DA2J10100L
D71
1
DA2J10100L
D620
DA2J10100L
D61
1
DA2J10100L
D375
DA2J10100L
22k
R320
R321
22k
C320
220
10V
C321
220
10V
R377
82
C322
0.1
R392
330
330
R393
R394
330
330
R395
RY375
12V
1
2
3
4
5
6
[SR]
[SL]
[FL]
[SL]
[SR]
[FL]
[FR]
68k
R654
C655
3p
C662
220
10V
2.2k
R653
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
SL_OUT
PROTECTOR
SR_OUT
PRE DRIVER
IC701
PRE DRIVER
IC601
CL401
CL398
CL387
CL385
CL386
CL384
CL399
CL400
CL391
CL390
CL383
CL388
CL389
H
HEADPHONE
BOARD
CN790
(Page 45)
6
MAIN BOARD (3/4)
(Page 29)
7
MAIN BOARD (4/4)
(Page 30)
3
MAIN
BOARD
(1/4)
(Page 27)
2
MAIN
BOARD
(1/4)
(Page 27)
1
MAIN
BOARD
(1/4)
(Page 27)
C403
10p
C404
10p
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