Sony LBT-XGR88 (serv.man2) Service Manual ▷ View online
29
29
HCD-XGR88
6-7. SCHEMATIC DIAGRAM – MAIN (1/4) SECTION –
R655
C655
C656
R605
C605
C606
R609
C610
C609
JW
7
22
C181
CN722
C
771
C182
C772
J701
C139
C608
C658
R
1
4
0
R
14
1
R
608
R
65
8
R702
R704
R752
R754
C602
C603
C652
C653
R
1
12
R118
R124
R125
R
16
2
R168
R174
R179
R181
R182
R724
R601
R602
R607
R611
R612
R614
R651
R652
R657
R701
R703
R751
R753
R707
D161
D162
C124
C174
R111
R122
R161
R172
C701
C702
C751
C752
R176
R613
C601
C651
C
12
0
C
17
0
C724
R
60
3
R606
R
65
3
R656
JR724
C
116
C
1
17
C
16
6
C
167
R177
R127
C
1
3
1
R604
R654
C657
C604
C654
C607
IC601(1/2)
IC601(2/2)
R120
C132
R136
R165
R115
C137
Q115
Q165
Q166
Q167
Q114
Q164
R132
C613
C612
Q611
Q182
Q181
JR
182
JR
1
81
R705
R755
C754
C704
Q751
Q701
R757
C183
IC181
R119
C122
C123
C121
C119
C118
C133
C111
C
11
2
C
11
3
C
11
4
C
11
5
C1
10
C
16
0
C
1
6
5
C
1
64
C
16
3
C
16
2
R143
R142
C168
C
1
69
C171
C136
R169
C172
C173
J721
R131
C611
C703
R706
R756
C753
IC111
C134
C135
R135
C774
JR723
C722
R722
R170
C161
560k
0.0047
PET
0.0015
PET
560k
0.0047
PET
0.0015
PET
220
1/10W
100
16V
0.01
0.1
5P EH-S
0.1
0.1
0.1
6P
10
50V
10 50V
10 50V
10
0
k
10
0k
1
00k
1
00k
100k
100k
100k
100k
100p
100p
100p
100p
1
0
k
10k
10k
10k
1
0k
10k
10k
10k
10k
10k
10k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1M
1SS355
1SS355
2.2
50V
2.2
50V
50V
2.2k
2.2k
2.2k
2.2k
220p
220p
220p
220p
22k
330
330p
330p
4
70
0
p
4
70
0p
470p
47k
47k
47k
47k
0.0
22
0
.02
2
0
.02
2
0.0
22
150
150
0
.06
8
1k
1k
0.033
2.2
50V
2.2
50V
0.033
NJM4558M
NJM4558M
0
100
16V
16V
0
47k
47k
3300p
2SC2603
SWITCH
2SC2603
SWITCH
DTA124ESA
AMP
2SC2603
AMP
2SC3623TP
MUTE
2SC3623TP
MUTE
33k
47
16V
0.01
2SC2603
V REF
DTC124ESA
INV.
DTC124ESA
INV.
10k
10k
10
50V
10
50V
2SC3623TP
MUTE
2SC3623TP
MUTE
1M
0.1
MC14052BF-
470
0.33
0.33
4.7
50V
50V
0.033
4.7
50V
4.7
50V
4.7
50V
4
.7
50V
4.7
50
V
4.7
50
V
4
.7
5
0
V
4.7
50
V
4
.7
5
0V
4
.7
5
0
V
4.7
5
0V
4.7
5
0V
4
.7
5
0V
10k
10k
4.7
50V
0.0
3
3
4.7
50V
50V
4.7
50V
470
0.33
0.33
1P
10k
47
16V
10
50V
2.2k
2.2k
10
50V
M61529FP+T60G
0.01
47
16V
0
0.1
0
1000
10V
39
0
4.7
50V
TA
-M
U
TE
S
P
E-S
IG
DBFB
L-CH SIG
R-CH SIG
C
D
-R
C
D
-L
TC
P
B
-R
T
C
PB
-L
S
T-L
S
T-R
T
C
R
E
C
-R
T
C
R
EC
-L
R
EC
O
U
T-M
U
TE
SIG AGND
A
C-M
U
TE
M
C
1
DSC AGND
PL A+9V
+9V
M
IC
/P
TY
-S
IG
80
71
72
8
1
SWITCH
FUNCTION
SELECT
INPUT SELECT SWITCH,
CONTROL,ELECTRICAL
VOLUME
GRAPHIC EQUALIZER
R
L
OUT
IN
R
L
IN
R
L
MD(VIDEO)
PHONO
1
2
3
8
5
6
7
HCD-XGR88
30
30
6-8. SCHEMATIC DIAGRAM – MAIN(2/4) SECTION –
C338
C302
C352
C354
C304
C356
C306
C311
R353
C357
C312
C307
C351
C301
C305
C355
C303
C353
T
P
3
5
2
TP351
TP303
T
P
3
0
2
TP301
TP304
C310
C313
R334
L301
R320
R323
R333
R337
R
3
3
8
R339
R344
R346
R361
R371
R372
R374
R375
R377
R378
R342
R309
R341
D383
D384
R304
R354
C319
C320
R347
R349
R308
R330
R331
R335
R336
Q322
Q323
Q324
Q325
Q326
Q341
Q342
Q344
R
3
0
1
R340
R
3
5
1
C308
C309
C358
C359
R348
R350
R343
R345
R305
R355
C343
C345
JR301
JR303
JR
3
5
1
JR353
JR
3
6
0
C334
Q321
Q327
R302
R311
R321
R322
R352
T331
CN371
CN311
CN321
X401
C470
R473
R363
R
4
6
1
C474
R326
C331
C333
Q343
Q331
Q335
Q334
IC301
IC422
D461
D462
R468
R465
C466
C465
R463
R469
R467
Q471
R472
R471
R470
C472
R476
R475
R474
C471
R466
C463
C464
R464
R462
C467
C469
C468
IC461
R314
C322
R310
R358
C
3
6
6
R364
R
3
6
5
Q381
Q383
Q385
R381
R384
R387
R390
R388
R389
R386
R385
C382
R383
R382
C381
Q386
Q384
Q382
D381
D382
R324
C321
C342
C344
C346
C347
C348
C341
JR350
C332
R315
C473
47
16V
10 50V
10 50V
10
50V
10
50V
2.2
50V
2.2
50V
50V
100
16V
47 16V
10 50V
47 16V
0.01
PET
0.01
PET
1
50V
1
50V
0.1
MF
0.1
MF
10 50V
10
50V
10
10k
10k
10k
10k
1
0
k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
1k
1M
1M
1SS355
1SS355
2.2k
2.2k
2200p
2200p
220k
220k
22k
22k
22k
22k
270
2SA1175
2SC2785TP-
HFE
2SC2785TP-
HFE
2SC2785TP-
HFE
2SC2785TP-
HFE
2SC2785TP-
HFE
2SC2785TP-
HFE
2SC2785TP-
HFE
3
.3
k
3.3k
3
.3
k
390p
390p
390p
390p
470
470
470k
470k
47k
47k
47p
47p
0
0
0
0
0
0.022
100V
DTC124ESA
DTC124ESA
4.7k
4.7k
4.7k
4.7k
4.7k
13P
3P EH
8P EH
8.19MHz
4.7/50
10k
JR
1
k
47/16
10k
0.015
0.0047
DTC124ESA
AMS DETECT
2SC2001
BIAS OSC
2SB1116
SWITCH
DTC124ESA
SWITCH
HA12237F
NJM4558-TE2
AMP
1SS355
1SS355
18k
18k
10/50
10/50
18k
18k
4.7k
2SC2603
MUTE
100k
10k
10k
10/50
10k
10k
10k
10
50V
4.7k
0.0047
0.0047
1.8k
1.8k
470p
47
16V
470p
M6557FP+0013FP
22k
0.001
10k
10k
0
.0
0
1
22k
2
.2
k
2SB1116
2SB1116
2SB1068
680
680
47k
3.3k
3.3k
3.3k
2.2k
2.2k
0.0047
2.2k
2.2k
0.0047
DTC124ESA
DTC124ESA
DTC124ESA
1SS355
1SS355
0
47
16V
0.033
1
50V
0.1
50V
50V
0.1
50V
100
16V
16V
2.2
50V
0
0.0047
2.2k
10/50V
T
C
M
O
T
O
R
+
9
V
T
C
M
G
N
D
T
C
A
G
N
D
T
C
D
G
N
D
T
C
B
IA
S
G
N
D
TCREC-L
TCREC-R
TCPB-L
TCPB-R
MIC-IN
MIC/PTY-SIG
P
A
R
T
Y
D
G
N
D
P
A
R
TY
A
G
N
D
ML MUTE
B1
B2
D+3.3V
VDD
TC+9V
69
52
70
57
65
51
55
58
61
67
68
46
50
53
6
0
7
6
5
9
5
4
4
2
56
90
91
89
SWITCH
Q321,322,327
DRIVE
DRIVE
B TRIG
DRIVE
Q381,382
Q383,384
A TRIG
Q385,386
CAP MOTOR
HEAD
TAPE A
HEAD
TAPE B
DECK A/B SELECT
PB/REC EQUALIZER AMP
Q341,342,344
HPF
7
8
5
6
1
2
3
4
RHYTHM
PHRASE
PLAYER
TAPE MECHANISM
DECK
SWITCH
Q323-326
31
31
HCD-XGR88
6-9. SCHEMATIC DIAGRAM – MAIN (3/4) SECTION – • See page 50 for IC Pin Function.
X502
C801
D802
R513
D810
IC451
L451
C402
TP539
C431
JW403
JW401
JW402
D803
D804
Q805
TP563
CN431
X501
C803
C802
C516
C410
CN411
R502
R504
R521
R522
R523
R525
R503
R519
R527
R529
R530
R532
R533
R534
R535
R536
R537
R541
R543
R547
R556
R557
R570
R573
R574
R575
R577
R578
R579
R580
R581
R583
R584
R585
R586
R587
R588
R589
R590
R591
R595
C413
R528
R810
R413
R414
R501
R505
R509
R516
R517
R531
R549
R582
R412
R571
R572
R807
D801
D805
D806
D807
D808
R524
R801
R526
R814
C511
C452
C563
C412
R540
R597
R598
R804
R805
R452
R453
R454
Q454
C414
C512
C804
D809
Q803
Q810
Q802
Q806
Q809
C510
CN402
R518
R615
R600
CN441
CN801
Q451
IC501
R592
R596
R593
R594
FB599
FB516
R815
R808
C806 R816
R812
R813
C599
C598
Q453
Q452
R451
C401
C411
R410
C407
C404
C403
R401
Q402
Q401
R406
R405
R403
C405
R402
R404
C406
Q411
Q412
R548
R511
CN401
FB404
JR401
JR402
JR402
FB402
C408
C415
C416
FB403
R802
IC801
R806
Q801
R803
D815
R599
C562
FB562
D431
16MHz
10 50
0
TOTX141
1000
6.3V
0.1
1SS355
DTA124ESA
19P
FFC-S
0.1
MF
0.1 MF
0.1
470
10V
9P
CT-S
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
10000p
100k
100k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
15k
15k
15k
1k
1SS355
1SS355
1SS355
1SS355
1SS355
2.2k
220
220k
22k
22p
47
16V
47
16V
4700p
47k
47k
47k
47k
47k
10k
10k
10k
2SC2603
0.1
0.1
1000
6.3
EC10DS2
DTA124ESA
DTA124ESA
DTC124ESA
DTC124ESA
DTC124ESA
18p
4P
1SS355
1SS355
EC10DS2-TE
100
100
10k
11P
2SC2603
M30622MNG-B14FP
SYSTEN
COMTROL
4.7k
4.7k
330
1k
22k
100k
2.2
50V
100k
3.3k
10k
47
16V
0.1
2SA1175-HFE
2SA1175-HFE
10k
0.1
0.047
0
0.1
10
50V
10
50V
1k
2SC3623TP
MUTE
2SC3623TP
MUTE
10k
10k
33k
100p
33k
1k
100p
DTC124ESA
INV.
DTC124ESA
INV.
100
330k
21P
0
0
0
1000
6.3V
2200p
2200p
4.7k
M62703SL
10k
2SC2603
4.7k
1SS355
10k
0.1
1SS355
TA-M
UTE
D+5V UNSW
ST-L
ST-R
ST AGND
CD-L
CD-R
CD
AG
ND
CD DG
ND
M +7V
M GN
D
M
C D
GND
RECOU
T-M
UTE
AC-M
UTE
MC1
PANEL GND
SPE-SIG
VFDP
VF1
VF2
EVER+3.9V
-VEE
MC2
D 3.9V
BPF+9V
ST +9V
TC+9V
LED 3.9V
CD A+5V SW
CD D
+5V SW
ML MUTE
B1
B2
D+3.3V
VDD
33
37
82
89
90
91
38
32
35
44
45
49
43
35
36
37
32
34
33
19
48
47
29
30
29
30
44
45
47
48
49
19
34
43
21
23
25
27
2
3
21
2
3
22
23
25
27
22
77
78
79
80
71
72
24
26
28
26
28
83
84
85
87
88
95
4
4
73
74
75
73
74
75
51
52
53
55
56
57
58
65
67
68
69
70
61
40
41
41
86
36
42
46
50
7
6
54
81
60
59
40
82
97
100
18
24
95
RESET
SWITCH
TUNER PACK
BUFFER
Q451-454
(OPTICAL)
CD DIGITAL
RESET SIGNAL
GENERATOR
LEVEL
SHIFT
Q809,810
LEVEL
SHIFT
Q802,803
LEVEL
SHIFT
Q805,806
NC
0
µH
0
µH
100
µH
HCD-XGR88
32
32
6-10. SCHEMATIC DIAGRAM – MAIN (4/4) SECTION –
EP901
JW962
CN901
R962
C928
R912
R922
R923
R924
R963
C921
Q962
Q961
C913
C903
C926
C922
C961
D915
R961
R921
CN961
C929
CN902
CN903
D916
D914
C927
Q921
IC921
µPC7805AHF
IC922
IC931
Q911
Q918
Q923
IC912
C930
C901
C902
C925
C924
Q922
C912
C914
C911
R911
C915
D911
D912
D913
13P
18k
2.2
50V
2.2k
2.2k
2.2k
2.2k
2.2k
2200
16V
2SB1116
2SC2603
47
16V
470
16V
16V
470
6.3V
0.1
0.1
UDZS TE-17 5.1B
4.7k
10k
EH-S 3P
47
25
13P
3P
UDZS5.1B
UDZS 5.1B
100
16V
16V
2SB734-3
B+ SWITCH
+5V REG
+3.9V REG
µPC3504AHF
M5F7809L
+10 REG
2SD2012
+12V REG
2SC2603
+12V REG
2SC2603
SWITCH
IC RT8H015C-T12
100
16V
4700
0.1
0.1
1000
6.3V
DTC124ESA
INV.
100
25V
470
25V
470
25V
25V
100
100
16V
16V
EC10DS2
EC10DS2
EC10DS2
D+5V UNSW
CD AGND
CD DGND
M +7V
M GND
MC DGND
ST AGND
TC MOTOR +9V
VF1
VF2
VFDP
MC2
DBFB
L-CH SIG
R-CH SIG
TC MGND
TC DGND
EVER+3.9V
DSC AGND
-VEE
PANEL GND
TC BIAS GND
SIG AGND
+9V
BPF+9V
ST +9V
PL A+9V
TC+9V
LED 3.9V
D 3.9V
MIC-IN
CD A+5V SW
CD D+5V SW
PARTY DGND
TC AGND
PARTY AGND
84
85
87
86
38
88
83
97
DRIVE
Q961,962
FAN MOTOR
M901
FAN
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