Sony HCD-GTR6 / HCD-GTR6B / HCD-GTR7 / HCD-GTR8 / HCD-GTR8B / MHC-GTR6 / MHC-GTR8 Service Manual ▷ View online
49
49
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
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
5-27. PRINTED WIRING BOARD — TRANS AND SUB TRANS BOARD — • Refer to page 28 for Circuit Boards Location.
: Uses unleaded solder.
1-878-536-
11
(11)
1-878-537-
11
(11)
TRANS BOARD
FRONT
BOARD
NO1300
(Page 37)
K
SUB TRANS BOARD
TP1252
TP1255
TP1253
TP1254
TP1250
TP1259
TP1251
TP1263
TP1264
R1250
R1251
R1252
TP1260
TP1261
TP1256
TP1257
TP1258
D1250
D1251
D1201
D1202
B
E
Q1200
D1203
C1200
C1201
D1200
C1205
C1206
R1201
R1205
TP1202
TP1203
TP1209
R1202
TP1206
TP1207
TP1208
TP1201
TP1200
TP1205
AC IN
(CHASSIS)
(CHASSIS)
MAIN
BOARD
NO050
(Page 39)
B
F1281
T4AL/250V
T8AL/250V
T2AL/250V
D1252
W1252
W1253
W1254
W1255
W1256
W1257
W1258
W1259
W1260
W1261
W1262
W1263
W1264
W1265
W1266
W1267
C
EB
Q1250
C1252
D1253 D1254
7
NO1296
D1255
1
3
1
3
NO1297
D1256
C1254
JW1296
F1271
R1271
C1255
FH1230
FH1232
FH1240
FH1242
E2-GTR6/7/8
FH1250
FH1252
PT1250
*NOT REPLACEABLE:
BUILT IN TRANSFORMER
FH1260
FH1262
JW1298
JW1297
JW1255
JW1258
JW1257
JW1254
JW1253
CN1250
JW1256
JW1250
C1253
F1241
T8AL/250V
F1261
T8AL/250V
F1251
T8AL/250V
F1231
TP1262
1
3
CN1200
1
7
CN1201
JW1205
PT1200
JW1201
1
3
CN1202
AR,AUS,MX
AR,AUS,MX
AR,AUS,MX
AR,AUS
E2,E51,E3
E2,E51,E3
JW1206
JW1207
C1203
C1204
B1200
JW1221
JW1220
JW1223
JW1202
RY1200
JW1203
JW1212
S1200
ET1200
JW1213
4
1
CN1203
E2,E51,E3
E2,E51,E3,MX
MX
50
50
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
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
5-28. SCHEMATIC DIAGRAM — TRANS AND SUB TRANS BOARD — • Refer to page 22 for Block Diagrams.
BUILT IN TRANSFORMER
0.1
0.8
-35.2
-39.7
-35.8
MAIN
BOARD
NO050
(1/5)
(Page 40)
JW1206
5.0MM
25V
1000
C1203
1
3
2P
CN1200
LIVE
NEUTRAL
AC IN
680
R1201
7.5MM
JW1202
1
3
5
7
4P
2P
CN1201
120/127V
220V
240V
N
1
3
4
5
6
7
8
9
2
VOLTAGE
SELECTOR
PT1200
POWER TRANSFORMER
(SUB)
S1200
120V/127V
120V/127V
120V/127V/220V/ 230V/240V
120V/127V/220V/
230V/240V
220V
4
2
3
7
6
5
1
MA2J1
110GLS0
D1200
100k
R1205
17.5MM
JW1207
2.2k
R1202
5.0MM
JW1201
JW1212
20.0MM
20.0MM
JW1203
50V
C1204
4.7
5.0MM
JW1205
1
3
CN1202
230V/220V/127V/120V
N
2SC3052EF-T1-LEF
Q1200
JW1213
5.0MM
RY1200
RELAY
RELAY DRIVE
MC2838-T112-1
D1203
MC2840-T112-1
D1201
MC2840-T112-1
D1202
1
2
3
4
4P
CN1203
AC-CUT DETECT
STBY-RY
STBY-RY GND
EVER-10V
E2, E51, E3
AR, AUS, MX
EXCEPT AR
AR
AR, AUS, MX
E2, E51, E3, MX
AR, AUS
MX
AR, AUS, MX
E2, E51, E3
E2, E51, E3
AR, AUS, MX
8.2k
R1251
FH1262
FH1232
E2-GTR6/7/8
MAZ8240G0LS0
D1251
FH1252
FH1240
50V
10
C1252
F1241
2SD1859TV2Q
REGULATOR
Q1250
1k
R1250
FH1250
100V
100
C1253
FH1260
5.0MM
JW1297
8.2k
R1252
FH1230
50V
100
C1254
FH1242
10EDB40-TB3
D1253
10EDB40-TB3
D1254
10EDB40-TB3
D1255
10EDB40-TB3
D1256
C1255
16V
1000
10EDB40-TB3
D1252
MAZ8200GMLS0
D1250
JW1298
10.0MM
F1261
F1251
F1231
1/4W
0.68
R1271
F1281
TP1250
TP1251
TP1253
TP1254
TP1255
TP1256
TP1258
TP1252
TP1257
TP1259
TP1260
TP1261
1
2
3
4
5
6
7
NO1296
120/127V
220V
240V
N
1
3
NO1297
230V/127V/120V
N
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN1250
VF-
VF+
VG
AC3
AC3
VL
VL
PWR GND
PWR GND
VH
VH
VH
VH
10
7
19
15
S5
230-240V
PT1250
POWER TRANSFORMER
(MAIN)
* NOT REPLACEABLE :
1
16
12
S3
8
220V
S4
120-127V
13
17
S1
18
S2
11
14
9
5
S6
3
Radial Fuse
Radial Fuse
F1271
T4AL/250V
T8AL/250V
T8AL/250V
T8AL/250V
T8AL/250V
T2AL/250V
JW1296
15.0MM
TP1263
C1201
0.1
0.1
C1200
C1206
C1205
0.1
0.1
FRONT
BOARD
NO1300
(Page 38)
SUB TRANS BOARD
TRANS BOARD
K
B
51
51
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
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
5-29. PRINTED WIRING BOARD — SUBWOOFER BOARD — • Refer to page 28 for Circuit Boards Location.
: Uses unleaded solder.
1-878-533-
11
(11)
M893
DC FAN
MAIN
BOARD
CN550
(Page 39)
G
MAIN
BOARD
CN551
(Page 39)
H
FRONT
BOARD
N01301
(Page 37)
L
SUBWOOFER BOARD
B
E
E
Q850
D800
B
E
Q800
BE
Q822
BE
Q824
B
E
E
Q825
R800
R801
R802
R808
R810
R814
R839
C803
R840
R841
C808
R850
R851
R852
R858
JL801
JL802
JL803
JL804
JL805
JL806
JL807
JL808
R860
JL809
JL81
1
JL812
JL813
JL814
JL815
JL824
JL827
JL831
R889
JL832
JL833
JL834
JL835
JL836
JL837
JL837
C853
R890
R891
R893
C858
JL841
JL842
JL843
JL844
JL845
JL846
JL847
D811
D812
JR804
JR
JR811
C819
JL224
JL825
C820
D817
JL894
JL893
R822
JL896
R818
JL895
R819
JL897
JL898
JL823
JL892
C801
C846
C847
C851
C896
C897
R867
C875
C876
TB801
SPEAKERS
TB802
SPEAKERS
L880
R836
R838
C800
C802
C825
C826
R886
R888
C850
C852
1
15
C892
RY862
JW884
L830
JW830
JW830,JW880
JW880
JW881
JW882
JW885
JW886
R815
R816
R817
C818
1
3
CN820
E
B
Q821
R830
R880
JW891
JW859
7
CN801/
CN802
CN801
CN802
1
8
7
1
1
8
GTR8/GTR8B
GTR7
GTR7
GTR7
GTR7/GTR8/GTR8B
GTR7/GTR8/GTR8B
GTR7/GTR8/GTR8B
GTR7
GTR7
:GTR7/GTR8/GTR8B
GTR8/GTR8B
GTR7/GTR8/GTR8B
1
7
CN803
JW860
JW861
JW862
JW810
JW843
JW858
JW876
JW808
JW828
JW875
JW889
R804
R827
R828
JW812
JW813
JW814
IC800
EXCEPT MX
GTR7
EXCEPT MX
EXCEPT MX
GTR8/GTR8B
GTR7/
GTR8/
GTR8B
GTR8/
GTR8B
SUBWOOFER OUT
R
L
GTR7
Ver. 1.2
52
52
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
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
5-30. SCHEMATIC DIAGRAM — SUBWOOFER BOARD — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams.
-50
-51
51
0
0
0
0
0
0
0
0
0
0
50
0.6
0
0
16.3
16.3
0
0
0.4
0
7.7
0
0.1
7.8
0.7
0.7
0.1
MAIN
BOARD
CN550
(4/5)
(Page 43)
MAIN
BOARD
CN551
(4/5)
(Page 43)
FRONT
BOARD
NO1301
(Page 38)
L
IC800 STK433-100-E : GTR7
IC800 STK433-130-E : GTR8/GTR8B
DC FAN
M893
50V
4.7
C852
JL805
10V
47
C800
5.6k
R814
*3
R890
JL815
R808
2SC3906K-T146E
OVER LOAD
DETECT
OVER LOAD
DETECT
Q800
MC2838-T1
12-1
D800
*1
*1
R858
0.22
R888
JL809
JL804
*3
R840
100p
C853
JL814
50V
4.7
C802
2SC3906K-T146E
Q850
JL808
JW880
JL803
MA2J1110GLS0
D811
*5
R850
JL813
JW830
TB801
GTR8/GTR8B
GTR7/GTR8/GTR8B
GTR7
GTR8/GTR8B
EXCEPT MX
GTR8/GTR8B
GTR8/GTR8B
GTR7/GTR8/GTR8B
EXCEPT MX
EXCEPT MX
GTR7/GTR8/GTR8B
GTR8/GTR8B
GTR7
GTR7
GTR7
GTR7
GTR7
1
2
3
4
JL807
MA2J1
110GLS0
D812
1k
R852
*1
R851
1k
R802
C858
10p
JL801
RY862
1
2
3
4
5
6
RELAY
C826
*7
JL812
*2
R889
*6
*6
R841
100p
C803
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
IC800
SUBWOOFER POWER AMP
-PRE
-VCC
+VCC
+RE1
-RE1
+RE2
-RE2
+PRE
SUB
GND
IN1
NF1
ST
-BY
NF2
IN2
10V
47
C850
R891
47k
R860
0.22
R838
JL806
JL802
*4
R800
*2
R839
C825
*8
39k
R810
JL81
1
*1
*1
47k: GTR7
68k: GTR8/GTR8B
*2
2.7k: GTR7
2.2k: GTR8
*7
22 63V: GTR8/8B
47 63V: GTR7
*3
22k: GTR7/GTR8
*9
0.1 100V: GTR7/GTR8/GTR8B
*6
270k: GTR7
180k: GTR8
*4
680: GTR7
470: GTR8/GTR8B
*5
*5
1k : GTR7
470: GTR8/GTR8B
R801
JW881 5.0MM
5.0MM
5.0MM
JW814
17.5MM
JW812
17.5MM
JW813
17.5MM
JW882
47k
R893
50V
4.7
C892
JW885
SUBWOOFER OUT
JL841
JL842
JL843
JL844
JL845
JL846
JL847
JW884
17.5MM
5.5MM
5.0MM
5.0MM
TB802
1
2
JW886
JW859
7.5MM
2SC3052EF-T1-LEF
Q825
JL825
MAZ8130GMLS0
D817
R819
4.7k
Q824
2SC3052EF-T1-LEF
C820
0.1
2SC3052EF-T1-LEF
Q822
R816
47
R815
47
C819
0.1
JL224
R818
100k
25V
C818
47
R822
1k
KTA1273-Y-AT
SWITCH
SWITCH
SWITCH
Q821
R817
47
JL893
JL894
JL896
JL895
1000p
1000p
C801
C851
1/4W
100
R827
100
R828
1
R804
R867
150
SW L GND-
JL836
JL835
JL837
JL831
JL832
JL834
JL833
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
SW R GND-
SW R+
SW L+
BTL SW-
BTL SW+
JL827
JL824
JL821
JW891
5.0MM
JL891
JL823
1
2
3
4
5
6
7
8
CN802
FAN HI SPEED
FAN SWITCH
FAN GND
SW RELAY-
UNREG
STK MUTE
SW-L IN
AGND
SW-R IN
1
2
3
4
5
6
7
FAN HI SPEED
FAN GND
SW RELAY -
UNREG
STK MUTE
SW-IN
AGND
8P
CN801
7P
1
2
3
3P
CN820
FAN+
FAN-
R880
10
0.1
C897
0.1
C896
R830
10
0.1
C847
0.1
C846
R836
10
R886
10
C808
10p
0
L880
L830
0
G
H
IC B/D
*8
22 63V: GTR8/8B
47 63V: GTR7
*9
C875
*9
C876
SUBWOOFER BOARD
Ver. 1.2
Click on the first or last page to see other HCD-GTR6 / HCD-GTR6B / HCD-GTR7 / HCD-GTR8 / HCD-GTR8B / MHC-GTR6 / MHC-GTR8 service manuals if exist.