Sony HCD-GTR333 / HCD-GTR555 / HCD-GTR777 / HCD-GTR888 / MHC-GTR333 / MHC-GTR555 / MHC-GTR777 / MHC-GTR888 Service Manual ▷ View online
HCD-GTR333/GTR555/GTR777/GTR888
HCD-GTR333/GTR555/GTR777/GTR888
45
45
5-28. SCHEMATIC DIAGRAM – 3CH DAMP Board (3/4) –
• See page 61 for IC Block Diagrams.
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
3CH DAMP BOARD (3/4)
1
2
8 10
9
7
6 5
16
17
14
15
13
11
12
20
19
18
4
34
53
53
54
85
42.5
42.5
5.5
0.2
5
0.1
13
3.3
0.7
13
0
42.5
34
34
53
3
13
0.8
12
42.5
42.5
0
3.5
0
0
0
3.5
0
0.6
3.5
42.5
0
3
0
HCD-GTR555/HCD-GTR777
5.5
5.5
0
5.5
12
12
1
2
3
2
3
1
3
4
5
6
1
2
3
4
5
6
2
3
4
5
6
FAN-DRIVE
FAN-LOCK
Q4009
OP AMP
PROTECTION
OP AMP
PROTECTION
POWER AMP
PROTECTION
OP AMP
PROTECTION
2SC3052EF-T1-LEF
10k
R4089
10k
R4079
100k
R4161
100k
R4168
10k
R4052
3.3
R4198
22k
R4194
10k
R4090
CN4004
3P
FAN+
FAN-
FAN+
FAN-
FAN+
Q4010
2SC3052EF-T1-LEF
10k
R4061
D4015
MC2838-T112-1
Q4026
2SC3052EF-T1-LEF
220k
R4051
C4131
0.01
2.2
R4197
Q4027
KTC3203Y-AT
Q4011
2SC3052EF-T1-LEF
Q4014
ISA1602AM1-T111-1EF
POWER AMP
PROTECTION
Q4015
ISA1602AM1-T111-1EF
10k
R4084
680k
R4171
220k
R4070
1k
R4172
100k
R4279
C4126
0.1
Q4036
FAN LOCK SWITCH
2SC3052EF-T1-LEF
C4132
0.01
D4017
DZ2J056M0L
Q4003
OP AMP SWITCH
KTC1027-Y-AT/P
Q4004
OP AMP SWITCH
KTA1023-Y-AT/P
D4001
DZ2J10000L
C4009
0.1
22k
R4008
22k
R4272
22k
R4009
22k
R4273
D4000
DZ2J10000L
IC4401
BD00GC0WEFJ-SE2
1 VO
2 FB
3 GND
4 NC
5
EN
6
NC
7
NC
8
VCC
9
C4020
0.1
C4017
100p
3.3k
R4031
47k
R4032
47k
R4004
47k
R4005
NO4002
6P
13V
GND
AC-DET
MAIN-ON
SUB-ON
C4133
4.7
50V
C4125
10
50V
C4107
10
50V
C4108
10
50V
C4014
47
35V
NO4003
6P
PVDD
PVDD
PVDD
PVDD
PVDD
P-GND
P-GND
P-GND
P-GND
P-GND
C4002
220
50V
C4003
220
50V
C4160
10
50V
Q4056
FAN DRIVER
FAN PROTECTION SWITCH
RT3NDDM-T111-1
D4018
DZ2J068M0L
JL4021
JL4022
JL4023
JL4024
JL4025
JL4026
JL4027
JL4024
JL4025
JL4026
JL4027
100k
R4237
Q4057
FAN DRIVER
FAN DRIVER
DTA114EKA-T146
1.2k
R4232
IC4400
BA4580RF-E2
1
AOUT
2
INA-
3
INA+
4
V-
5
INB+
6
INB-
7
BOUT
8
V+
100k
R4238
JL4050
JL4051
JL4051
JL4087
JL4088
JL4189
JL4089
JL4090
JL4091
JL4092
JL4136
JL4093
JL4098
JL4099
JL4100
JL4101
JL4102
JL4103
JL4104
JL4116
JL4117
JL4118
JL4119
JL4120
JL4121
JL4122
JL4123
JL4124
JL4125
JL4126
JL4127
JL4134
JL4137
JL4138
JL4143
JL4171
JL4173
3.3
R4196
3.3
R4195
JL4172
SUB-ON
MAIN-ON
AC-DET
4
3CH DAMP BOARD
(1/4), (2/4)
(Page 43),
(Page 43),
(Page 44)
1
3CH DAMP BOARD
(1/4)
(Page 43)
5
3CH DAMP BOARD
(1/4)
(Page 43)
7
3CH DAMP
BOARD
(1/4)
(Page 43)
11
3CH DAMP
BOARD
(2/4)
(Page 44)
13
3CH DAMP
BOARD
(2/4)
(Page 44)
12
3CH DAMP
BOARD
(2/4)
(Page 44)
M101
(DC FAN)
M
IC B/D
OP AMP
IC4400
12V REG.
IC4401
R4289
10k
R4290
220k
100V
1000
C4195
220k
R4400
100k
R4291
JL4187
220k
R4282
33
50V
C4196
2SC4154TP-1EF
Q4063
DC DETECT SWITCH
DC-DET
DTA114EKA-T146
Q4062
FAN DRIVER
100
R4278
4.7k
R4173
16V
470
C4000
50V
47
C4221
L4012
10uH
CONNECT TO
SWITCHING
REGULATOR
BOARD
(NOT SUPPLIED)
CONNECT TO
SWITCHING
REGULATOR
BOARD
(NOT SUPPLIED)
0
R4669
0
R4666
Ver. 1.1
HCD-GTR333/GTR555/GTR777/GTR888
HCD-GTR333/GTR555/GTR777/GTR888
46
46
5-29. SCHEMATIC DIAGRAM – 3CH DAMP Board (4/4) –
• See page 61 for IC Block Diagrams.
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
3CH DAMP BOARD (4/4)
VG
/AMP-RESET
Lch-Input
VG
VSS
SW-Rch-Input
GVDD
/AMP-SD
AMP-CLK
VG
Rch-Input
VAA
VG
D-GND
3.5
0
12
12
0
6
3
3.5
0.7
0
0
85
47.5
50
50
5
85
47.5
50
50
5
85
47.5
50
50
5
37.5
47.5
37.5
47.5
47.5
0
37.5
47.5
37.5
37.5
47.5
37.5
47.5
47.5
0
47.5
47.5
0
HCD-GTR555/HCD-GTR777
37.5
42.5
42.5
42.5
37.5
47.5
47.5
47.5
43
47.5
50.5
42.5
42.5
39
42.5
12
47.5
5
37.5
5
5.4
2
37.5
42.5
42.5
42.5
37.5
47.5
47.5
47.5
43
47.5
50.5
42.5
42.5
39
42.5
12
47.5
5
37.5
5
5.4
2
43
47.5
50.5
42.5
42.5
39
42.5
12
47.5
5
37.5
5
5.4
2
Q4524
THERMA DETECT
SWITCH
RT1N141C-TP-1
Rch-Input
100k
R4504
RESET SWITCH
RESET SWITCH
4.7
R4515
4.7k
R4608
C4573
0.1
2.2k
R4541
TH4502
4.7k
R4607
TH4503
C4526
1000p
4.7
R4514
100k
R4656
D4500
DA2J10100L
C4507
10 16V
D4503
D4504
D4505
D4503 ~ D4505
DA2J10100L
D4510
D4513
R4617
10
R4613
10
2.7k
R4563
IC4900
NJM2903V(TE2)
1
OUT
2
-IN
3
+IN
4
GND
5
+IN
6
-IN
7
OUT
8
VCC
IC4906
BA4580RF-E2
4
V-
3
INA+
2
INA-
1
AOUT
8
V+
7
BOUT
6
INB-
5
INB+
10
R4619
10k
R4503
Q4500
RESET
SWITCH
SD SWITCH
2SC5625
2.7k
R4565
C4535
0.01
47k
R4529
CRH01(TE85R,Q)
D4509, D4512
CRH01(TE85R,Q)
D4510, D4513
CRH01(TE85R,Q)
D4511, D4514
2.7k
R4561
R4612
10
D4511
C4528
1000p
1k
R4556
C4503
10 16V
5.6k
R4560
220k
R4537
C4572
0.1
33k
R4577
220k
R4533
1k
R4521
C4531
10 16V
10k
R4589
10
R4620
R4601
4.7
5.6k
R4562
C4539
0.01
C4527
10 16V
4.7k
R4572
C4546
22
10k
R4588
4.7
R4517
C4508
10
16V
47k
R4545
R4576
5.6k
D4501
DA2J10100L
5.6k
R4564
1k
R4557
C4505
10 16V
4.7
R4516
Q4510
2SC4154TP-1EF
RESET SWITCH
Q4511
2SC4154TP-1EF
C4542
0.01
3.3k
R4534
1k
R4520
R4616
10
C4529
10 16V
C4555
2200p
C4556
2200p
C4557
2200p
C4558
2200p
10
R4621
C4559
2200p
C4560
2200p
C4514
1000p
4.7
R4512
R4570
5.6k
C4513
1000p
R4580
5.6k
1k
R4522
33k
R4593
3.3k
R4536
C4541
0.01
C4548
22
4.7k
R4575
4.7k
R4609
R4615
10
C4512
1000p
C4540
0.01
C4530
1000p
33k
R4574
IC4902
IRS2092STRPBF
1 VAA
2 GND
3 IN
4 COMP
5 CSD
6 VSS
7 VREF
8 OCSET
9
DT
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VB
16
CSH
1 VAA
2 GND
3 IN
4 COMP
5 CSD
6 VSS
7 VREF
8 OCSET
9
DT
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VB
16
CSH
1 VAA
2 GND
3 IN
4 COMP
5 CSD
6 VSS
7 VREF
8 OCSET
9
DT
10
COM
11
LO
12
VCC
13
VS
14
HO
15
VB
16
CSH
*6
R4548
R4599
4.7
C4533
0.01
4.7
R4513
C4506
10
16V
D4514
R4614
10
4.7k
R4585
*5
R4538
33k
R4595
4.7k
R4581
1k
R4555
33k
R4571
Q4509
2SC4154TP-1EF
47k
R4546
C4563
220p
C4564
220p
R4623
10
C4565
220p
C4566
220p
R4624
10
C4567
220p
C4568
220p
R4625
10
TH4501
220k
R4535
33k
R4591
C4543
0.01
Q4513
IRF6775MTR1PBF
POWER AUDIO
DRIVER
Q4515
IRF6775MTR1PBF
POWER AUDIO
DRIVER
Q4512
POWER AUDIO DRIVER
IRF6775MTR1PBF
Q4514
POWER AUDIO DRIVER
IRF6775MTR1PBF
Q4518
POWER AUDIO DRIVER
IRF6775MTR1PBF
Q4519
POWER AUDIO
DRIVER
IRF6775MTR1PBF
D4509
C4547
22
10k
R4501
C4504
10
16V
Q4501
2SC3052EF-T1-LEF
R4600
4.7
2.2k
R4540
10k
R4587
2.2k
R4542
R4573
5.6k
4.7k
R4569
C4538
0.01
R4584
5.6k
R4582
5.6k
C4534
0.01
47k
R4527
4.7k
R4583
47k
R4528
C4576
0.1
3.3k
R4532
22k
R4502
47k
R4547
D4512
Rch-OUT
P-GND
Lch-OUT
SW-Rch-OUT
P-GND
PVDD
Rch-OUT
PVDD
Lch-OUT
P-GND
P-GND
PVDD
P-GND
PVDD
PVDD
C4552
0.22
C4551
0.22
C4550
0.22
10
R4603
10
R4604
10
R4605
Q4505
SD SWITCH
2SA2026
Q4506
SD SWITCH
2SA2026
Q4507
SD SWITCH
2SA2026
C4518
1000p
C4516
1000p
C4581
0.1
C4517
1000p
C4521
1000p
C4523
1000p
C4522
1000p
390
R4553
390
R4552
390
R4551
2.7k
R4627
2.7k
R4628
2.7k
R4629
3
3CH DAMP
BOARD
(1/4)
(Page 43)
6
3CH DAMP
BOARD
(1/4)
(Page 43)
8
3CH DAMP
BOARD
(2/4)
(Page 44)
9
3CH DAMP
BOARD
(2/4)
(Page 44)
10
3CH DAMP
BOARD
(2/4)
(Page 44)
IC B/D
THERMA DETECT
COMPARATOR
IC4900
IC B/D
POWER AMP.
IC4902
IC4903
IRS2092STRPBF
IC B/D
POWER AMP.
IC4903
IC4904
IRS2092STRPBF
IC B/D
POWER AMP.
IC4904
OP AMP
IC4906
IC4905
BA4580RF-E2
4
V-
3
INA+
2
INA-
1
AOUT
8
V+
7
BOUT
6
INB-
5
INB+
C4580
0.1
OP AMP
IC4905
L4500
220uH
R4633
680
C4578
470p
C4579
100p
*5
R4538
3.3k
(HCD-GTR555)
4.7k
(HCD-GTR777)
*6
R4548
1.2k
(HCD-GTR555)
1.5k
(HCD-GTR777)
10k
R4525
100k
R4635
100k
R4636
C4544
0.1
C4519
0.1
IC B/D
IC B/D
Ver. 1.3
HCD-GTR333/GTR555/GTR777/GTR888
HCD-GTR333/GTR555/GTR777/GTR888
47
47
5-30. PRINTED WIRING BOARD – 4CH DAMP Board (Side A) –
• See page 17 for Circuit Boards Location. •
: Uses unleaded solder.
Ver. 1.3
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
B E
B E
B
E
B
E
E
B
E
B
E
B
E
B
E
B
E
B
E
B
B
E
E
B
E
B
B
E
B
E
B
E
E
B
E
B
E
B
E
B
B
E
B E B E
B E
B E B E
B E
E
B
E
B
B
E
B
E
B
E
E
B
E
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
IC4400
IC4402
IC4403
IC4404
IC4405
IC4901
IC4401
IC4406
IC4902
IC4903
IC4904
IC4407
IC4900
I
O
RY4000
RY4001
RY4002
RY4003
C4089
C4090
C4091
C4092
L4004
L4005
L4006
L4009
L4010
L401
1
ET4000
C4000
C4014
C4023
C4024
C4025
C4026
C4027
C4028
C4029
C4030
C4077
C4078
C4079
C4080
1
6
3
NO4002
Q4027
C4105
C4106
C4107
C4108
C4125
C4133
6
1
NO4003
C4160
TB4001
TB4000
TB4002
1
3
CN4004
L4008
L4007
C4012
C4013
C4055
C4056
C4071
C4072
LP4000
LP4001
Q4012
Q4058
Q4059
Q4013
11
4
CN4000
L4002
11
4
CN4001
C4195
Q4004
Q4003
C4197
C4003
C4002
L4012
C4097
C4098
C4099
C4100
C4150
C4151
C4152
C4153
Q4007
Q4008
C4038
C4039
C4049
IO
C4050
C4171
C4172
A4000
L4000
L4001
L4003
I
O
I
O
C4103
C4101
C4102
C4104
Q4014
Q4015
R4600
R4601
R4602
R4603
R4604
R4605
R4606
R4607
R4608
R4609
R4610
R461
1
R4612
R4613
R4614
R4615
R4616
R4617
R4051
R4052
R4089
C4501
C4502
C4503
C4504
C4505
C4506
C4507
C4508
Q4508
Q4509
Q4510
Q4511
Q4512
Q4513
Q4514
C4519
Q4515
Q4516
Q4517
Q4518
Q4519
C4524
C4525
C4526
C4527
C4528
C4529
D4507
D4508
D4509
C4530
C4531
C4532
C4533
C4534
D4510
C4535
D451
1
C4536
D4512
C4537
D4513
C4538
D4514
R4510
C4539
R451
1
R4512
R4513
R4514
R4515
R4516
R4517
C4540
TH4500
C4541
TH4501
C4542
TH4502
C4543
TH4503
R4520
C4549
R4521
R4522
R4523
R4526
R4527
C4550
R4528
C4551
R4529
C4552
R4530
R4531
R4532
R4533
R4534
R4535
R4536
R4537
R4539
R4540
R4541
R4542
R4550
R4551
R4552
R4553
R4554
R4555
R4556
R4557
R4558
R4559
R4560
R4561
R4562
R4563
R4564
R4565
R4566
R4567
R4568
R4569
R4570
R4571
R4572
R4573
R4574
R4575
R4576
R4577
R4579
R4581
R4583
R4585
R4586
R4587
R4588
R4589
R4590
R4591
R4593
R4595
R4598
R4599
R4525
D4501
R4538
R4548
C4051
C4052
C4053
C4054
R4045
R4046
R4047
R4050
R4071
R4072
R4072
R4073
R4074
R4074
R4075
R4076
R4077
R4078
R4080
R4081
R4082
R4083
R4085
R4086
R4087
R4088
Q4500
R4501
R4502
D4014
D4015
D4017
D4018
C4126
C4131
C4132
R4123
R4124
R4161
R4168
R4171
R4504
R4503
C4009
D4000 D4001
R4232
D4006
D4007
D4008
D4009
Q4056
C4180
C4179
C4177
C4178
R4172
R4031
R4032
C4017
C4020
R4626
R4627
R4628
R4629
Q4504
Q4505
Q4506
Q4507
R4237
R4238
Q4057
C4182
D4037
D4038
D4039
D4040
C4186
R4254
R4255
R4256
R4257
Q4060
R4264
R4265
R4266
R4268
R4269
R4270
R4271
Q4034
C4127
Q4033
R4184
Q4035
C4129
R4185
Q4032
C4128
Q4031
R4187
Q4030
Q4029
C4130
R4186
Q4028
R4267
C4147
Q4061
C4146
Q4038
Q4037
C4515
C4516
C4517
C4518
C4520
C4521
C4522
C4523
C4545
C4546
C4547
C4548
C4187
Q4062
R4278
R4281
R4282
D4011
D4010
D4013
D4012
R4283
R4284
R4285
R4286
D4045
D4046
D4047
D4048
R4578
R4580
R4582
R4584
D4050
C4578
C4579
L4500
R4294
R4295
C4198
C4067
C4068
R4636
R4635
Q4501
Q4009
Q4010
Q4011
Q4016
Q4017
Q4018
Q4019
Q4026
Q4063
R4500
R4633
Q4071
Q4524
C4513
C451
1
C4512
C4514
D4002
D4003
D4004
D4005
C4041
C4042
R4033
R4034
R4035
R4036
Q4065
R4289
R4290
R4299
R4309
C4169
C4170
C4188
C4189
D4500
D4505
D4503
D4506
D4504
D4504
R4200
R4037
R4038
R4251
R4252
R4199
R4656
C4221
R4670
1-883-589
22
(22)
K
MAIN BOARD
CN502
(Page 30)
M101
(DC FAN)
J
MAIN BOARD
CN501
(Page 30)
+
–
+
–
+
–
+
–
+
–
+
–
(CHASSIS)
4CH DAMP BOARD (SIDE A)
HCD-GTR888
CONNECT TO
SWITCHING
REGULATOR
BOARD
(NOT SUPPLIED)
CONNECT TO
SWITCHING
REGULATOR
BOARD
(NOT SUPPLIED)
,03('$1&(86(ȍ
FRONT SPEAKER
L
R
,03('$1&(86(ȍ
SATELLITE SPEAKER
L
R
,03('$1&(86(ȍ
SUBWOOFER
L
R
HCD-GTR333/GTR555/GTR777/GTR888
HCD-GTR333/GTR555/GTR777/GTR888
48
48
5-31. PRINTED WIRING BOARD – 4CH DAMP Board (Side B) –
• See page 17 for Circuit Boards Location. •
: Uses unleaded solder.
Ver. 1.3
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
E
B
B
E
B E
B E
IC4906
IC4905
Q4020
Q4021
Q4022
Q4023
Q4070
Q4036
Q4052
Q4053
Q4067
D4028
D4029
D4022
D4024
C4544
C4567
C4575
C4568
C4576
C4573
C4574
C4566
C4565
C4561
C4569
C4562
C4572
C4564
C4570
C4563
C4571
R4618
R4619
R4620
R4621
R4544
R4545
R4546
R4547
R4099
R4100
R4101
R4102
R4103
R4104
R4105
R4106
R4107
R4109
R
4111
R41
13
R41
15
R41
17
R41
18
R41
19
R4120
R4121
R4122
R4125
R4126
R4127
R4128
R4129
R4130
R4131
R4132
R4133
R4134
R4135
R4136
R4137
R4138
R4139
R4140
R4141
R4142
R4143
R4144
R4145
R4146
R4147
R4148
R4149
R4150
R4151
R4152
R4153
R4154
R4156
R4157
R4159
R4160
R4176
R4177
R4178
R4179
R4173
R4194
R4195
R4196
R4197
R4198
R4079
R4084
R4004
R4008
R4008
R4009
R4090
R4155
R4158
D4026
D4027
R4222
R4223
R4224
R4225
R4226
R4227
R4068
R4069
C4163
C4168
C4166
C4162
R4061
JL401
1
JL4037
JL4026
JL4015
JL4000
JL4030
JL4001
JL4024
JL4014
JL4039
JL4023
JL4029
JL4017
JL4009
JL4025
JL4012
JL4004
JL4027
JL4031
JL4003
JL4021
JL4038
JL4010
JL4022
JL4013
JL4005
JL4036
JL4028
JL4016
JL4008
JL4158
JL4152
JL4144
JL4123
JL4107
JL4092
JL4075
JL4070
JL4050
JL4180
JL4178
JL4171
JL4129
JL4114
JL4099
JL4084
JL4078
JL4150
JL4131
JL4117
JL4101
JL4189
JL4067
JL4047
JL4161
JL4149
JL4138
JL4128
JL4112
JL4065
JL4169
JL4148
JL4127
JL4111
JL4080
JL4044
JL4172
JL4166
JL4132
JL4118
JL4102
JL4085
JL4073
JL4165
JL4113
JL4045
JL4168
JL4164
JL4160
JL4145
JL4124
JL4108
JL4069
JL4115
JL4090
JL4176
JL4173
JL4143
JL4122
JL4106
JL4086
JL4082
JL4049
JL4159
JL4146
JL4125
JL4109
JL4051
JL4042
JL4163
JL4151
JL4134
JL4120
JL4104
JL4181
JL4179
JL4133
JL4119
JL4103
JL4091
JL4048
JL4177
JL4174
JL4170
JL4153
JL4147
JL4137
JL4126
JL4110
JL4098
JL4093
JL4083
JL4076
JL4043
JL4167
JL4121
JL4105
JL4175
JL4162
JL4130
JL4116
JL4100
JL4081
JL4072
C4183
JL4182
JL4183
JL4184
R4260
R4261
D4042
R4263
R4259
D4041
R4262
R4258
R4272
R4273
R4276
R4277
R4275
R4274
R4279
R4070
JL4185
R41
16
R4287
R4293
R4308
C4135
C4136
C4139
C4140
C4143
C4144
C4553
C4554
C4555
C4556
C4557
C4558
C4559
C4560
C4581
R4622
R4623
R4624
R4625
R4296
Q4064
R4297
R4306
R4307
Q4069
Q4068
R4304
R4305
R4248
R4250
R4288
JL4040
JL4041
JL4046
JL4052
JL4054
JL4055
JL4056
JL4057
JL4058
JL4059
JL4060
JL4061
JL4062
JL4063
JL4064
R4201
R4202
R4203
R4204
R4205
R4206
R4207
R4208
R4209
R4210
R421
1
R4212
R4213
D4023
D4025
R4216
R4040
Q4066
R4043
R4048
R4049
R4298
JL4154
JL4155
JL4156
JL4157
R4300
R4301
R4302
R4303
C4190
C4184
C4580
C4058
C4057
C4220
C4219
C4217
C4216
C4215
C4214
C4218
C4213
R4660
R4661
R4662
R4663
R4664
R4665
R4666
R4667
R4400
R4401
R4402
R4403
R4404
R4405
R4406
R4407
R4005
R4668
JL4191
JL4192
JL4193
JL4188
JL4089
JL4190
1-883-589
22
(22)
4CH DAMP BOARD (SIDE B)
HCD-GTR888
Click on the first or last page to see other HCD-GTR333 / HCD-GTR555 / HCD-GTR777 / HCD-GTR888 / MHC-GTR333 / MHC-GTR555 / MHC-GTR777 / MHC-GTR888 service manuals if exist.