Sony HCD-XGR90AV / LBT-XGR90AV Service Manual ▷ View online
29
29
HCD-XGR90AV
7-8.PRINTED WIRING BOARD – MIC/GUITAR SECTION –
• See page 21 for Circuit Boards Location.
• See page 21 for Circuit Boards Location.
Ref. No.
Location
IC850
C-3
IC852
C-1
IC853
D-2
Q880
E-2
Q881
F-1
Q882
E-2
Q883
F-2
Q884
D-3
• Semiconductor
Location
7-7.SCHEMATIC DIAGRAM – MIC/GUITAR SECTION –
C802
C801
C836
R854
C810
R852
C805
C818
IC850(1/2)
IC850(2/2)
C821
R855
C803
C804
IC852(2/2)
R869
C814
IC852(1/2)
R872
C815
FL801
IC853(2/2)
IC853(1/2)
Q881
Q883
Q882
Q880
C880
C813
C816
C884
C881
C882
R891
C806
R807
R809
J801
J802
C817
R853
NO802
R882
R881
R880
R883
R884
R885
R887
CN812
R888
C822
R874
R867
R873
R857
C837
R878
Q884
R876
R877
R879
C838
R850
R870
C819
R856
NO811
C824
R886
47p
10000p
10000p
47k
220p
100k
1000p
47p
NJM4558L
NJM4558L
47/16
10k
1
50V
0.47
50V
NJM4558L
68k
47p
NJM4558L
2.2k
47p
NJM4558L
NJM4558L
2SC2603
DTA124ESA
DTC124ESA
2SC2603
2.2
50V
0.022
2.2
50V
2.2
50V
50V
47p
47p
1M
47p
10k
1k
2.2
50V
1k
47k
47k
10k
47k
470
10k
R889
22k
10k
6P
CT-S
1k
47/16
15k
2.2k
2.2k
4.7k
10
50V
1k
2SC2785
1k
330
1k
10
50V
1k
220k
47p
680k
3P
2.2
50V
50V
390k
MIC-VR-IN
MIC-VR-OUT
GND
MIC-OUT
MIC_GND
ECHO/GUITAR-IN
ECHO/GUITAR-OUT
DISTORTION
GUITAR
MIX MIC
+10V
(CHASSIS)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
GUITAR AMP
IC852
AMP
IC850
MIC
1
2
3
4
5
6
7
8
GUITAR AMP
Q880-883
DISTORTION
ON/OFF SWITCH
IC853
MIC/GUITAR BOARD
11
(12)
1-683-455-
J802
GUITAR
J801
MIX MIC
IC852
IC853
C881
1
8
1
8
IC850
C806
C818
R858
R887
JW813
JW817
Q880
R857
R873
JW824
JW818
FL801
C838
C837
C880
C884
R876
R879
R877
R874
Q884
Q883
JW812
R888
Q882
R885
R889
Q881
R883
R880
R882
R881
C882
JW822
R886
R872
JW823
JW814
JW819
JW805
JW820
JW806
C824
R884
C810
R867
C836
C801
R807
R809
R854
C804
C802
C813
R891
C814
R870
C815
R850
R855
C819
R856
R853
JW801
R878
JW816
C821
C805
R852
C817 C803
C822
CN812
C816
JW821
JW481
JW804
NO811
CLP804
NO802
(CHASSIS)
JW815
E
E
1
6
E
E
E
L
TC–A
BOARD
(Page 38)
E
MAIN
BOARD
(Page 33)
1
8
1
3
2
3
4
A
1
B
C
D
E
F
HCD-XGR90AV
30
30
7-9.SCHEMATIC DIAGRAM – MAIN (1/3) SECTION –
C603
C653
R602
R607
R657
IC601(2/2)
IC601(1/2)
C602
C652
C655
C656
R656
R655
C605
C606
R605
R606
R701
R702
R703
R704
R751
R752
R753
R754
C701
C751
Q751
Q611
R611
R612
R614
C612
R613
CN722
C753
C170
C171
C168
C121
C118
C120
R172
R163
R122
R113
R111
R161
R
112
R
162
C132
C610
C182
Q182
Q167
Q169
Q168
Q170
Q165
Q113
Q163
Q111
Q112
Q162
Q161
R127
R128
R125
R179
C124
C174
Q114
Q164
R174
R124
R126
R180
Q115
Q116
R134
R118
R116
R115
R165
R166
R135
C772
R603
R653
R608
R658
C702
C752
Q701
R755
R705
C704
C754
R706
R756
C703
C183
R182
R181
C613
C611
C135
C134
R167
R117
R129
R130
Q166
C771
C136
JW
701
JW751
J701
C119
R
123
R
173
C609
C181
Q181
R136
R133
R176
R168
C122
C123
R121
C173
C172
R171
IC181
C601
C651
R601
C608
R652
R651
C658
C654
C604
R604
R654
C607
C657
R137
R120
R169
R170
R138
C169
J731
R734
R711
R761
R713
R763
R715
R765
R723
R722
R712
R762
R714
R764
R716
R766
R724
JR191
JR723
D192
J721
CN151
R733
J711
C711
C712
C713
C763
C762
C761
C723
C722
C724
C774
C775
C193
C776
CN152
D191
C137
C138
R175
R177
R178
R731
C733
IC191
C191
C192
R732
C732
C764
C714
C731
R132
R119
R757
R707
R609
IC111
Q731
C133
C111
C112
C113
C114
C115
C110
C116
C117
C161
C162
C163
C164
C165
C160
C166
C167
100p
100p
1k
1k
1k
NJM4558M
NJM4558M
100p
100p
0.0047
PET
0.0015
PET
47k
560k
0.0047
PET
0.0015
PET
560k
47k
1k
100k
1k
100k
1k
100k
1k
100k
220p
220p
2SC3623A
2SC2603
1k
1k
1k
0.01
330
5P EH-S
10 50V
4700p
10
50V
10
50V
10
50V
10
50V
4700p
2.2k
1M
2.2k
1M
2.2k
2.2k
10k
10k
100 16V
100
16V
0.1
DTC124ESA
DTA124ESA
DTA124ESA
DTC124ESA
DTC124ESA
DTA124ESA
2SK1825
2SK1825
2SK1825
2SK1825
2SK1825
2SK1825
220k
220k
10k
10k
2.2
50V
2.2
50V
2SC3623ATP
2SC3623ATP
10k
10k
10k
10k
2SC3623ATP
2SC3623ATP
1M
220k
47k
47k
47k
47k
0
0.1
47k
47k
100k
100k
220p
220p
2SC3623A
10k
10k
10
50V
10
50V
2.2k
2.2k
10
50V
0.1
10k
10k
47
16V
47
16V
47
16V
0.01
220k
220k
1M
1M
2SC2603
0.1
10
50V
6P
0.047
100k
100k
0.01
0.1
DTC124ESA
0
4.7k
22k
220k
0.33
MF
0.33
MF
680k
0.33
MF
0.33
MF
680k
MC14052BF-
330p
330p
1k
10
50V
1k
1k
10
50V
2.2
50V
2.2
50V
1k
1k
0.033
MF
0.033
MF
0
220k
680
220k
0
0.033
1P
1k
8.2k
8.2k
6.2k
6.2k
6.2k
6.2k
75
10k
10k
10k
10k
10k
10k
0
100k
6P
220p
220p
220p
220p
220p
220p
1
50
0.1
0.1
39
10k
0
1SS355
1P/2P
10P
TKC-D1
1000 10V
470p
0.1
0.1
10P
TKC-D1
1SS355
0.0022
0.0022
1M
1M
1M
10k
0.1
BA7615N
0.01
10
50V
1k
220p
1
50V
10
50V
10
50V
33k
680
680k
680k
220
M61519FPD60G
2SC3623A
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
0.022
0.022
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
0.022
0.022
TA-MUTE
MC1
SPE-SIG
DBFB
MIC-SIG
L-CH SIG
R-CH SIG
CD-R
CD-L
TCPB-R
TCPB-L
ST-L
ST-R
TCREC-R
TCREC-L
PL A+10V
+10V
RECOUT-MUTE
AC-MUTE
AU D+5V
SW-MUTE
GND
80
81
71
72
94
9
7
59
60
76
79
77
78
VID
EO
2
V.GN
D
V2.AU
.L-CH
A
.GND
V2.AU.R-CH
IC601
PHONO EQ AMP
L
R
L
R
L
R
PHONO IN
MD IN
MD OUT
IN1
IN2
IN
3
VCC
IN4
GND
V
D-OUT
A
B
C
LT-IN
RT-IN
C-IN
SL-IN
SR-IN
SW-IN
VRSWIN
L-OUT
R-OUT
AGND
L
R
L
R
VIDEO OUT
VIDEO
FRONT
REAR
CENTER
WOOFER
SUB WOOFER OUT
AGND
TA-MUT
PL-DAT
PL-CLK
PL-LAT
D+5V
DGND
PL+10V
AGND
SW-OUT
DVD INPUT
(CHASSIS)
1
2
3
4
8
5
6
7
MUTE
MUTE
MUTE
MUTE
Q116,164
Q114,115
S
S
S
S
S
S
VOLUME
INPUT SELECT
SWITCH,
EQ CONTROL,
GRAPHIC
ELECTRICAL
INVERTER
Q181,182
FUNCTION
SELECT
SWITCH
AMP
Q167-170
SWITCH
Q111,112,113
SWITCH
Q161,162,163
AMP
Q165,166
VIDEO INPUT SELECT
MUTE
31
31
HCD-XGR90AV
7-10.SCHEMATIC DIAGRAM – MAIN(2/3) SECTION – • See page 50 for IC Pin Function.
R
513
R527
R529
R
530
R532
R533
R543
R557
R
573
R574
R575
R580
R581
R584
R585
R587
R588
R589
R590
R591
R802
R804
R805
Q801
R
517
D802
D808
D807
D806
D805
D4
31
D
809
R
556
R595
C598
C599
R504
R
549
C402
C407
Q401
Q402
R407
R408
JW406
JW407
JW408
JW409
JW410
C410
CN411
R413
R414
Q411
Q412
R534
TP539
R541
R547
R
521
R
522
R52
3
C801
C802
C803
C806
R570
TP563
R586
R583
R
503
R501
R505
R572
R571
R
509
C512
JW600
0
µ
H
R803
C804
R453
R452
R454
Q454
Q451
R412
R810
R808
Q803
Q805
C405
C406
L451
100
µ
H
C452
JW401
JW402
JW403
R
525
R
528
C510 C511
IC451
R540
Q802
Q806
R812
R519
R531
R516
CN431
R537
R536
R535
R599
R582
R451
R403
R406
R405
C414
C431
R410
R401
D810
C562
C563
R511
C516
JW
518
CN401
CN441
R592
R
52
4
R
526
R502
C408
R807
X
501
R548
D803
R813
R431
R597
R598
FB599
FB516
0
µ
H
D801
D804
R801
C403
C404
C412
C411
C413
C401
FB402
0
µ
H
0
µ
H
FB403
FB562
0
µ
H
Q810
R814
R
815
R
816
Q809
FB404
0
µ
H
R577
R
578
R
579
R596
R593
R594
R809
Q804
Q807
Q808
R811
D811
R402
R404
Q453
Q452
C415
C416
X502
IC801
IC501
R806
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
4.7k
47k
47k
2SC2603
10k
1SS355
1SS355TE-1
1SS355TE-1
1SS355TE-1
1SS355TE-1
1S
S355
EC10D
S
2
100
100
0.1
47 16V
100
10k
1000
6.3V
0.1
2SC3623A
2SC3623A
0
0
470
10V
9P
CT-S
10k
10k
DTC124ESA
DTC124ESA
100
100
100
1
00
1
00
100
10 50
0.1
MF
0.1
MF
MF
2.2
50V
B.P.
100
100
100
100
10k
10k
15k
15k
10k
0.1
4.7k
1000
6.3
10k
10k
10k
2SC2603
2SC2603
15k
100k
100k
DTA124ESA
DTA124ESA
100p
100p
47
16V
100
100k
18p
22p
TOTX141
47k
DTC124ESA
DTC124ESA
3.3k
100
10k
10k
19P
FFC-S
100
100
100
10k
10k
10k
100
10k
10k
0.1
0.1
4.7k
100
EC10DS2-TE
0.1
47
16V
330k
0.1
21P
11P
4.7k
100
100
100
1000
6.3V
0
32.768kHz
100
1SS355
10k
100k
47k
47k
1SS355
1SS355
220
10
50V
10
50V
4700p
0.47
0.01
0.1
DTA124ESA
22k
22k
100k
DTC124ESA
100
100
100
330
100k
DTA124ESA
DTC124ESA
DTC124ESA
10k
1SS355TE-1
33k
33k
2SA1175-HFE
2SA1175-HFE
1500p
1500p
16MHz
M62703SL
M30620MCN-A01FP
10k
TA
-M
U
TE
MC1
ST-R
ST-L
ST +10V
CD-L
CD-R
CD D+5V SW
CD A+5V SW
M +7V
SPE-SIG
VFDP
MC2
VF1
VF2
MIC-SIG
MIC
D+5V UNSW
EVER+3.9V
R
ECOU
T-M
UTE
TC+10V
-VEE
LED 3.9V
D 3.9V
BPF+10V
AC-M
UTE
MC3
D+3.3V
SW
-M
U
TE
GND
33
37
38
32
35
35
37
32
33
19
29
30
49
45
44
47
48
44
45
47
48
49
19
34
34
43
43
80
81
97
71
72
24
26
28
24
26
28
83
84
85
87
88
95
4
4
73
74
75
73
74
75
82
51
52
53
54
55
56
57
58
65
66
67
68
69
70
61
40
40
41
41
94
86
46
50
36
36
89
90
91
27
25
23
22
3
2
21
2
3
2
3
22
2
1
25
27
82
76
77
78
79
59
6
0
29
30
*1
*1
ST-CE
ST+10V
STEREO
TUNED
ST-MUTE
ST-CLK
A-GND
RESET
X-O
UT
VSS
X-IN
N
M
I
SCO
R
IIC
-CLK
IIC
-DATA
SQ-CLK
CD-DATA
CD-CLK
VSS
B-SHUT
A-SHUT
AVSS
VREF
AVCC
X
C-IN
X
C-OUT
D-GND
D-0UT
R-CH
A-GND
L-CH
M-GND
X-RST
X-LAT
SENS
SQ-CLK
SQ-DATA
SCOR
CD-DATA
CD-CLK
D.GND
D.OUT
M+7V(UNSW)
TBL.R
TBL.L
M.GND
TRAY.SENS
D.GND
LED
UP.SW
VF
VF
VFDP
SPEANA
RESET
MIC-SIG
CD-POWER
REAR-RELAY
STBY-RELAY
FRONT-RELAY
PROTECT
STK-MUTE
HP-IN
EQIC
-CLK
LINE-MUTE
-CLK
LINE-MUTE
EQ
IC-DAT
PL-CLK
PL-D
AT
PL-LAT
VIDEO-M
U
TE
LED
-STBY
KEY-PO
W
ER
KEY-ECO
FU
NC-SEL1
FU
NC-SEL0
MODEL-IN
DEST-IN
SW-MODE
A
UDIO
-OU
T
STER
EO
TUN
ED
SIRCS
BYTE
CNVS
S
VCC
RD
S-INT
ST
-M
U
TE
ST-CE
ST-D
O
UT
BU
-P
W
M
3
ST-D
IN
BU
-P
W
M
2
ST-CLK
BU-P
W
M
1
SENS
SQ-DATA
CLK-OUT
HOLD
OTM-RESET
XLT
XRST
MTR-CTRL2
MTR-CTRL1
LED-DISC
BU UP/DW SW
TBL-SENS
A
-HALF
TC-RELAY
ALC
PB-A/B
EQ-H/N
BIAS
SOFT-TEST
VCC
R
EC
-M
UT
E
NR
-ON
/O
FF
R
EC/PB
/PA
SS
TC
-M
U
TE
B-PLAY S
W
A-PLAY S
W
C
APM
-CTR
L
CA
PM
-H
/L
AM
S-IN
B
-TR
G
A
-TR
G
PWM3
PWM2
PWM1
LD-ON
ST-LOUT
ST-ROUT
IIC DATA
IIC CLK
3.3V
EVER 3.3V
SIRCS
KEY ECO
KEY POWER
LED STBY
+5V
+7V
GC 3.3V
DBFB-H/L
CD-M
UTE
HP-MUTE
+10V
PANEL GND
REC-B
REC-A
RDS-DATA
AC
-CU
T
IN(ST-DOUT)
OUT(ST-DIN)
B-HALF
LED 3.9V
DSP+5V(SW)
RF+5V(SW)
PANEL GND
LED 3.9V
INVERTER
Q411,412
BUFFER
Q451-454
MUTE
Q401,402
RESET SWITCH
GENERATOR
SYSTEM
CONTROL
LEVEL SHIFT
Q802,803
LEVEL SHIFT
Q805,806
RESET SIGNAL
CD
DIGITAL
OUT
OPTICAL
TUNER PACK
R594
R596
AUS
E
4.7k
0
1k
4.7k
*1
LEVEL SHIFT
Q804,808,809
LEVEL SHIFT
Q809,810
HCD-XGR90AV
32
32
C354
TP351
TP352
R354
C356
C306
TP302
TP301
C304
R304
C307
C357
TP303
TP304
IC321
µPC1330H
C321
RV321
RV322
T331
Q331
Q332
C334
C335
R333
R334
C338
C332
Q381
Q383
R381
R384
R383
R386
R390
R388
R389
C381
R382
C382
R385
CN301
C312
C341
R350
R346
R347
R378
R371
R372
CN371
Q384
Q385
Q386
R387
C351
C301
R377
R375
R374
C347
C358
C308
C359
C309
R393
L322
L321
C324
C325
D381
D382
Q382
Q388
Q387
R394
RV392
RV391
CN311
CN321
R349
R338
R339
Q342
Q343
Q341
R340
C342
R341
R342
R326
R327
R324
R325
C343
C344
C348
R308
RV351
R328
R329
R336
C337
Q333
C331
Q322
Q321
R330
Q335
Q334
R337
JR301
L301
100
µH
C353
C303
R302
C302
R352
C313
R311
Q344
Q345
R318
R320
C350
JR353
JR303
C912
C911
Q922
C924
C926
IC931
C903
CN902
CN903
C921
C962
CN901
C963
C311
D913
D912
D911
R963
CN961
JW962
C961
R961
Q962
Q961
R962
IC911
IC922
µPC3504AHF
C923
R922
C901
C305
RV301
R310
R358
C352
JR351
Q921
R321
R331
R332
EP901
C913
C345
C346
R319
IC921
µPC7805AHF
IC961
µPC7812AHF
C349
R343
R348
R355
C355
R351
R344
R345
R301
R305
R309
C322
C328
C329
C323
C333
C336
R335
R392
C902
C925
C922
IC341(1/2)
IC341(2/2)
C310
C326
C327
R391
IC301
10
50V
2.2k
2.2
50V
2.2
50V
10
50V
2.2k
47 16V
47 16V
10
50V
220k
220k
BIAS TRANS
2SC2001
2SC2001
6800p
PET
6800p
PET
18k
18k
47
16V
2.2
50V
50V
2SB1116
2SB1116
680
680
2.2k
2.2k
3.3k
3.3k
3.3k
0.0047
2.2k
0.0047
2.2k
3P
MOLEX
10 50V
470
10V
10k
10k
10k
10k
10k
10k
15P
FFC-S
DTC124ESA
2SB1068
DTC124ESA
47k
0.01
PET
0.01
PET
10k
10k
10k
10
50V
390p
390p
390p
390p
10k
27mH
27mH
330p
330p
1SS355
1SS355
DTC124ESA
2SK1825
DTC124ESA
220k
2.2k
4.7k
3P
EH
8P
EH
4.7k
22k
10k
DTC124ESA
DTC124ESA
2SC2603
10k
0.1
1k
1k
10k
10k
2.2k
2.2k
0.022
PET
0.022
PET
22
50V
22k
22k
12k
12k
2.2k
10
50V
2SD1387
0.01
100V
PET
DTA124ESA
DTC124ESA
22k
2SB1116
DTC124ESA
3.3k
0
0.1
MF
MF
0.1
MF
MF
4.7k
10 50V
4.7k
10
50V
4.7k
DTC124ESA
DTC124ESA
10k
2.2k
1
0
0
470
10V
100
25V
DTC124ESA
47
16V
470
6.3V
M5F7810L
470
16V
16V
13P
3P
CT-S
2200
16V
0.1
13P
47
16V
100
16V
16V
EC10DS2
EC10DS2
EC10DS2
2.2k
3P
EH-L
0.1
4.7k
2SB1116A-L
2SC2603-EF
22k
TA7809S
1000
6.3V
0
4700
25V
0.1
50V
22k
10k
10k
10
50V
0
2SB1375
10k
5.6
1/4W
FR
5.6
1/4W
FR
47
16V
2.2
50V
2.2
50V
100k
22p
1M
10k
47k
1
50V
3.3k
10k
10k
3.3k
47k
1M
120p
PET
0.01
B
0.01
B
120p
PET
0.015
PET
0.018
PET
22k
2.2k
0.1
0.1
0.1
NJM4558M
NJM4558M
10
50V
27p
27p
2.7k
HA12237F
TCREC-L
TCPB-L
TCREC-R
TCPB-R
D+3.3V
D+5V UNSW
CD D+5V SW
CD A+5V SW
M +7V
ST +10V
+10V
VF1
VF2
VFDP
MC2
DBFB
L-CH SIG
R-CH SIG
MIC
TC+10V
EVER+3.9V
BPF+10V
LED 3.9V
-VEE
D 3.9V
PL A+10V
MC3
AU D+5V
GND
GND
69
52
65
51
54
55
84
83
88
85
38
87
95
86
50
46
57
70
56
53
61
67
66
68
58
89
90
91
46
56
57
70
91
50
L-PB
L-REC
R-PB
E-HOT
R-REC
L-PB
R-PB
GND
GND
GND
A-HALF
B-HALF
REC(REW)
REC(FWD)
A-SOL
B-SOL
A-MODE
B-MODE
A-PHOTO
CAPM+
B-PHOTO
MOTOR-H
MOTOR-L
GND
M-GND
SW-GND
FAN+
FAN-
A.GND
DBFB
FAN.DET
LCH-IN
RCH-IN
F-RELAY
PL-RELAY
POWER GND
VF
VF
VF(-35V)
D.GND
MIC GND
MIC
HP.SW
POWER
STK POWER
FAN+
HP MUTE
EVER+3.9V
+10V
NC
UNREG+10V
UNREG+15V
+10V
NC
15VGND
10VGND
-VEE
PROTECT
PB-REC SWITCH
IC321
1
2
3
5
4
6
7
8
Q961,962
FAN SWITCH
+12V REGULATOR
+12V REGULATOR
+5V REGULATOR
+10V REGULATOR
+3.9V REGULATOR
M901
DRIVE
B TRIG
Q381,382
DRIVE
DRIVE
Q383,384
Q385,386
Q387,388
CAP MOTOR
SPEED CONT
CAP MOTOR
A TRIG
SELECT
DECK A/B
REC/PB EQ AMP
IC341
HPF
MUTE
Q344,345
Q341-343
AMS DETECT
INVERTER
INVERTER
SWITCH
Q321,322
OSC
BIAS
Q331,332
RIPPLE
FILTER
SWITCH
Q334,335
Q333
CHECK
FOR
TAPE A
HEAD
HEAD
TAPE B
TAPE
MECHANISM DECK
(CHASSIS)
TAPE SPEED
TAPE SPEED
(NORMAL)
(HIGH)
REC LEVEL
(R)
REC LEVEL
(L)
(L)
REC BIAS
REC BIAS
(R)
7-11. SCHEMATIC DIAGRAM – MAIN (3/3) SECTION –
Ver. 1.1
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