Sony HCD-GTR88 / MHC-GTR88 Service Manual ▷ View online
HCD-GTR88
HCD-GTR88
37
37
6-21. PRINTED WIRING BOARD - TRANS and SUBTRANS Board -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
TP1252
TP1255
TP1253
TP1254
TP1250
TP1259
TP1251
TP1263
TP1264
C1250
C1251
R1250
R1251
R1252
TP1261
TP1256
TP1257
TP1258
TP1262
D1252
TP1260
D1250
W1254
W1252
W1253
C1252
C1254
FH1250
FH1251
FH1252
FH1253
FH1254
FH1255
FH1256
FH1257
C1253
W1267
W1266
W1265
W1264
W1263
W1257
W1261
W1259
W1258
W1262
W1260
W1256
W1268
W1255
1
7
NO1250 : E2, E51, E4
1
3
NO1251 : AR, MX, AUS
CN1250
JW1252
JW1250
JW1251
JW1253
JW1219
JW1217
JW1218
JW1216
F1254
F1255
E
Q1250
EXCEPT AR
AR
MX, AUS
POWER AMP BOARD
NO1300
(Page 28)
PT1250
ET1200
D1203
D1201 D1202
E
Q1200
C1205
C1206
TP1203
TP1200
TP1201
TP1208
R1203
TP1202
D1200
R1200
R1201
R1204
C1201
C1200
C1202
R1202
TP1205
TP1204
TP1206
TP1207
TP1209
E2, E51, E4
AR, AUS
MX
E2, E51, E4
AR, AUS
MX, AR, AUS
E2, E51, MX, E4
MX, AR, AUS
MX, AR, AUS
MX, AR, AUS
E2, E51, E4
RY1200
C1204
S1200
B1200
1
4
NO1203
C1203
PT1200
1
7
CN1201
1
3
CN1202
JW1202
JW1206
JW1207
JW1203
JW1205
JW1212
JW1201
JW1213
JW1221
JW1204
1
3
CN1200
TRANS BOARD
SUBTRANS BOARD
MAIN BOARD
CN691
(Page 30)
E
H
AC IN
1-881-137- 13
(13)
1-881-138-
13
(13)
F1251
F1252
F1253
F1250
VOLTAGE
SELECTOR
Ver. 1.1
HCD-GTR88
HCD-GTR88
38
38
6-22. SCHEMATIC DIAGRAM - TRANS and SUBTRANS Board -
• See page 43 for Waveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
E
(CHASSIS)
TRANS BOARD
SUBTRANS BOARD
FH1257
FH1251
FH1255
FH1252
50V
10
C1252
F1251
1k
R1250
FH1254
FH1256
FH1250
100 50V
C1254
FH1253
10EDB40-TB3
D1250
F1253
F1252
F1250
T8AL 250V
T8AL 250V
T8AL 250V
T8AL 250V
TP1250
TP1251
TP1253
TP1254
TP1255
TP1256
TP1258
TP1252
TP1257
TP1259
TP1261
TP1260
KTA1275-Y-AT/P
REGULATOR
Q1250
63V
220
C1253
10k
R1252
MAZ8330GMLS0
D1252
JW1250
1
2
3
4
5
6
7
7P
NO1250
120/127V
220V
240V
N
JW1252
TP1263
MX, AUS
(MAIN)
(SUB)
E2, E51, E4
AR, MX, AUS
EXCEPT AR
AR
JW1251
1
3
NO1251
3P
230V/127V/120V
N
JW1253
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN1250
VH
VH
VL
PWR GND
PWR GND
VL
VH
VH
AC3
AC3
-VG
VF
VF
CL1250
CL1251
CL1252
CL1253
C1251
0.1
C1250
0.1
6.3A 250V
F1254
2A 250V
F1255
10
19
15
S5
PT1250
POWER TRANSFORMER
16
12
S3
8
S4
13
17
S1
18
S2
11
14
9
S6
220V
120-127V
230-240V
5
1
3
7
POWER AMP
BOARD
NO1300
(Page 29)
H
MAIN
BOARD
(3/3)
CN691
(Page 33)
E
680
R1201
TP1202
C1200
0.1
0.1
MC2838-T112-1
D1203
MC2840-T112-1
D1201
C1205
0.1
TP1201
TP1205
TP1209
RY1200
50V
C1204
4.7
C1206
0.1
2SC3052EF-T1-LEF
Q1200
TP1206
TP1203
TP1207
MA2J1110GLS0
D1200
JW1203
AR, AUS
AR, AUS
MX, E2, E51, E4
MX, AR, AUS
MX, AR, AUS
E2, E51, E4
MX
TP1200
S1200
VOLTAGE
SELECTOR
E2, E51, E4
4
2
3
7
6
5
1
C1201
JW1207
2.2k
R1202
JW1202
TP1208
TP1204
JW1212
JW1201
ET1200
MC2840-T112-1
D1202
1
2
3
4
NO1203
4P
AC-CUT DETECT
STBY-RY
STBY-RY GND
EVER-10V
1
3
3P
CN1200
LIVE
NEUTRAL
CL1200
CL1201
CL1203
CL1204
CL1205
CL1206
1
3
4
5
6
7
8
9
2
PT1200
POWER TRANSFORMER
JW1206
25V
1000
C1203
1
3
5
7
4P
2P
CN1201
E2, E51, E4
MX, AR, AUS
120/127V
240V
220V
1
3
CN1202
230V/220V/127V/120V
N
N
JW1205
0V
120V
240V
(AC IN)
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
Ver. 1.3
HCD-GTR88
HCD-GTR88
39
39
6-23. PRINTED WIRING BOARD - SUBWOOFER Board -
•
: Uses unleaded solder.
• See page 21 for Circuit Boards Location.
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
SUBWOOFER BOARD
15
R838
C800
C802
C825
C826
R888
C850
C852
C875
C876
1
IC800
RY862
LP820
R804
TPH8
R827
R828
1
6
CN804
TB801
JW830
JW880
JW808
JW828
JW876
JW889
JW843
JW858
JW860
JW875
JW881
CN803
JW861
D800
E
Q850
E
Q800
R800
R801
R802
R808
R810
R814
R839
R840
R841
C808
R850
R851
R852
R858
R860
R889
R890
R891
R893
C858
D811
JR804
JR811
C801
C846
C847
C851
C896
C897
R880
R830
R812
1
7
B
MAIN BOARD
CN550
(Page 30)
POWER AMP BOARD
NO1301
(Page 28)
I
1-881-136- 13
(13)
L
-+
R
-+
SUBWOOFER
Ver. 1.2
HCD-GTR88
HCD-GTR88
40
40
6-24. SCHEMATIC DIAGRAM - SUBWOOFER Board -
• See page 43 for Waveforms. • See page 44 for IC Block Diagrams. • See page 48 for IC Pin Function Description.
SUBWOOFER BOARD
IC800
IC B/D
JL833
JL841
JL831
JL813
JL835
JL846
1000p
C801
JL808
5W
0.22
R838
1k
R802
63V
100
C826
C808
10p
JL801
50V
4.7
C802
JL811
1
R804
JL806
JW830
JL836
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
STK433-130N-E
IC800
SUBWOOFER POWER AMP
-PRE
-VCC
+VCC
+RE1
-RE1
+RE2
-RE2
+PRE
SUB
GND
IN1
NF1
ST-BY
NF2
IN2
JL824
63V
100
C825
2.2k
R889
JL809
JL827
68k
R801
5W
0.22
R888
JL845
50V
4.7
C852
JL807
2SC3906K-T146E
Q850
JL847
68k
R858
47k
R860
10V
47
C850
JL837
1000p
C851
10V
47
C800
10V
C875
0.1
1k
R852
JL832
JL815
JL803
2SC3906K-T146E
DETECT
Q800
JL814
JL804
MC2838-T112-1
D800
RY862
JL834
39k
R810
68k
R851
JW880
MA2J1110GLS0
D811
JL821
2.2k
R839
JL844
JL812
10V
C876
0.1
JL843
C858
10p
0
R814
JL802
JL823
JL805
68k
R808
1
2
3
4
5
6
7
7P
CN803
SW PWR GND
SW L-GND
-VL
+VL
SW R-GND
SW-OVERLOAD
SW-DC DET
1
2
3
4
5
6
6P
CN804
SW RELAY
UNREG/M+9V
STK MUTE
SW-L IN
AGND
SW-R IN
100
1/2W
1/2W
R827
100
R828
JL842
22k
R840
22k
R890
180k
R841
180k
R891
0
R893
0.1
C896
0.1
C847
0.1
C897
0.1
C846
+
-
+
-
TB801
1
2
3
4
0
R812
JL848
JL849
JL850
JL851
JL852
JL853
JL854
JL855
*R800
*R800, *R850
EXCEPT MX: 470
MX: 560
*R850
R830
10
R880
10
SW GND
CHNL
R
L
SW GND
CHNL
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
POWER AMP
BOARD
NO1301
(Page 29)
I
MAIN
BOARD
(3/3)
CN550
(Page 33)
B
SUBWOOFER
DETECT
0
8.4
0
0
8.4
0
-48.3
-50
50
0
0
0
0
48.5
0
0
0.7
0
0
Ver. 1.2
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