Sony HCD-GTR33 / HCD-GTR55 / HCD-GTR77 / MHC-GTR33 / MHC-GTR55 / MHC-GTR77 Service Manual ▷ View online
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
25
25
6-10. SCHEMATIC DIAGRAM - MAIN Board (1/3) -
• See page 39 for Waveforms. • See page 40 for IC Pin Function Description.
3.3k : GTR 55
6.8k : GTR 77
MA2J1110GLS0
D483
5
1
4
1
1
1
0
1
9
8
7
6
5
4
3
2
1
12
13
A
B
C
D
E
F
G
H
I
J
18
21
0.2
0.8
0(3.3)
Q628
RT1N431C-TP-1
B+ SWITCH
B+ SWITCH
RT1N441C-TP-1
Q215
B+ SWITCH
2SC3052EF-T1-LEF
B+ SWITCH
B+ SWITCH
Q210
2SC3052EF-T1-LEF
B+ SWITCH
Q303
2SC3052EF-T1-LEF
B+ SWITCH
Q302
ISA1235AC1-T112-1EF
B+ SWITCH
Q301
ISA1235AC1-T112-1EF
B+ SWITCH
Q300
Q698
KTC3228-Y-AT/P
+5V REGULATOR
Q231
2SC3052EF-T1-LEF
LED DRIVE
Q230
2SC3052EF-T1-LEF
LED DRIVE
1k
R428
1k
R424
100
R463
JL092
R215
10k
R211
100k
10k
R330
R212
10k
0.047
C422
100
R474
10k
R409
0.1
C499
0.1
C464
470
R497
R322 22k
1k
R425
R404
100
R381
15k
JL029
0.047
C427
R365
10k
50V
10
C498
C211
10
50V
R213
100k
15k
R394
JL006
0.1
C414
0.047
C424
R218
10k
R492
47k
*R493
C212
0.1
R326 22k
C483
1000p
MA2J1110GLS0
D468
32.768kHz
X401
KTA1271Y-AT
Q212
0.047
C425
MA2J1110GLS0
D694
JL430
220
R468
*R392
R214
680
8MHz
X402
*R393
10k
R329
R325 22k
1k
R427
MAZ8043GMLS0
D211
R391
10k
50V
2.2
C201
JL429
100
R434
10k
R361
0.047
C428
R481
1k
33k
R204
R323 22k
C215
10
50V
MA2J1110GLS0
D212
C213
10
50V
R327 22k
100
R467
C214
0.33
R210
2.2k
JL021
R328 22k
R324 22k
JL007
R216
22k
1k
R426
MA2J1110GLS0
D202
15k
R397
*R493
47k : E4
10k : Except E4
*R393
6.8k : E4
4.7k : Except E4
*R392
0 : GTR 33
JL005
1k
R423
JL093
0.1
C496
MC2836-T112-1
D213
0.047
C423
0.047
C426
1k
R422
RT1P141C-TP-1
MUTING CONTROL
Q670
100
R462
JL453
JL455
JL457
JL458
JL460
JL461
JL462
100
R431
JL433
JL499
JL407
JL404
JL406
JL402
JL411
JL503
JL502
JL405
JL403
JL408
JL401
JL432
JL464
JL427
JL417
JL426
JL421
JL465
JL413
JL418
JL431
JL428
JL414
JL424
JL415
JL425
JL412
JL434
JL419
JL422
JL466
JL416
JL423
JL420
D696
MAZ8056GMLS0
C660
10
50V
R237
330
100
R398
100
R399
3.3k
R235
4.7k
R236
1
2
3
4
5
6
7
8
9
10
11
11P
CN403
LED+9V
WHITE
RED
DGND
METER SW
MGND
IND2
IND1
IND3
IND4
M+5V
100
R439
100
R440
100
R441
MC2840-T112-1
D201
1
2
3
4
CN404
4P
SEL A
SEL B
METER LED CTRL
LED GND
R483
22k
R484
100k
1k
R530
1k
R531
JL514
JL523
R410
10M
220k
R411
10k
R543
Q627
DTA114YKA-T146
B+ SWITCH
680
R303
470
R301
2.2k
R302
47k
R304
R307
10k
470
R300
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
23P
CN405
FL-DATA
FL-CLK
DGND
FL_CS
FL+3.3V
VF
-VG
VF
AD KEY0
SIRCS
EVER+3.3V
STBY LED
SW/USB LED
LED-VOL3,4
LED-VOL5,6
AD_KEY1
LED-VOL1,2
VOL
USB LED CTRL
AD_KEY2
LED GND
SEL A
SEL B
MA2J1110GLS0
D484
6.3V
C417
3300
JL500
2SC3052EF-T1-LEF
Q214
2SC3052EF-T1-LEF
Q211
+4V REGULATOR
100
R491
100
R380
JL459
100
R466
0.1
C322
MAZ8033G0LS0
D650
470
R494
15k
R395
GTR55/77
470
R495
R364
10k
R5F364AEDFA
SYSTEM CONTROLLER
IC401
1
FL-DRIVER-CS
2
FL-DRIVER-CLK
3
FL-DRIVER-DATA
4
SIRCS
5
CDM-SD
6
M2-
7
M2+
8
BYTE
9
CNVss
10
XC-IN
11
XC-OUT
12
RESET
13
X-OUT
14
VSS
15
X-IN
16
VCC
17
NMI
18
M1-
19
MTK-BUSY
20
AC-CUT
21
M1+
22
SW3
23
SW1
24
SW-CHUCK
25
SW2
26
SW-CLOSE
27
SW-STOCK
28
SW-OPEN
29
IIC-CLK
30
IIC-DATA
31
SERIAL TXD1
32
SERIAL RXD1
33
SERIAL CLOCK
34
MTK-XIFCS
35
MTK-TX
36
MTK-RX
37
MTK-CLOCK
38
FAN ON/OFF
39
METER LED CTRL
40
NO-USE
41
TC REC MUTE
42
MTK PWR CTL
43
AD SUPPLY SW
44
ST-CLK
45
MTK-OE
46
NO-USE
47
HUB-RST
48
MTK-RST
49
TC_M+9V SW
50
PROTECT
51
STK MUTE
52
SW SPK RELAY
53
FR SPK RELAY
54
51
52
53
54
STBY RELAY
55
EEP-SDA
56
EEP-SCL
57
VBus_Det
58
LINE MUTE
59
R2A15216FP-CLK
60
R2A15216FP-DATA
61
ST-TUNED
62
VCC
63
ST-CE
64
VSS
65
ST-DIN
66
HP/MIC DET
67
ST-DOUT
68
MTK-OC1
69
LED CTRL
70
TP-STATE
71
POWER ILLUMINATOR
72
METER-IN4
73
MTK-OC2
74
POWER/DISPLAY-KEY
75
ST-RDS-INT
76
ST-RDS-DATA
77
METER-IN3
78
METER-IN1
79
METER IN2
80
USB-LED CTRL
81
METER SW
82
MTK POWER MONITOR
83
OVERVOLTAGE
84
AD-KEY2
85
MASTER VOL
86
LED-VOL1,2
87
AD-KEY1
88
FAN LEVEL DET
89
VACS IN
90
LED-VOL5,6
91
LED-VOL3,4
92
MODEL-IN
93
DEST-IN
94
SW/USB LED
95
STBY LED
96
AVSS
97
AD-KEY0
98
VREF
99
AVCC
100
NO-USED
C439
47p
0.1
C219
100
R432
C438
47p
47p
C434
47p
C437
C440
47p
D500
10EDB40-TB3
D502
10EDB40-TB3
JL524
JL525
JL547
18p
C410
100
R390
C390
0.1
C278
0.1
27p
C411
48
78
26
20
97
M2-
23
81
22
85
20
M2+
77
4
M1-
M1+
1
3
86
67
34
24
63
61
25
79
27
12
5
72
28
2
47
AUDIO_DATA
AUDIO_CLK
57
68
43
73
72
77
78
79
81
35
36
37
39
65
19
20
22
24
23
1
4
39
3
2
49
97
4
95
94
91
43
69
84
80
86
87
1
80
90
95
38
85
85
90
41
69
44
17
2
5
3
66
94
91
87
84
45
12
PROTECT
19
GVX1S
DISPLAY
BOARD
CN1105
(Page 33)
I
5
6
6
IC401
MAIN
BOARD
(2/3)
(Page 26)
12
MAIN
BOARD
(3/3)
(Page 27)
11
2.7
0.7
0
0
0
3.3
3.3
0
0(3.8)
0
1.7
3.3
4.0(2.9)
3.2
0.1(3.3)
0
3.4
4.2(3.4)
0
0
3.3
3.3
3.3
3.2
3.2
3.3
3.0
0.8
3.5
0
0
0
1.1
1.5
3.3
1.8
1.5
3.3
3.3
0
2.5
3.5
0
3.5(0)
0
0
0
0
3.5
3.5
3.5
3.5
3.1
0
3.4
3.4
3.3
0
2.3
0.2
0.4
0(3.3)
0(2.8)
0
3.3
0
0(1.6)
3.3
1.7
1.4
3.3
3.1
*(0.5)
0.1
3.2
0(3.1)
3.1
0(3.1)
3.3
3.3
0
0
3.5
3.3
3.3
3.3
3.5
0.1
0.8
5.3
8.9
5.6
*
8.9
8.5
8.9
*
8.6
4.4
0.4
4.5
0.4
0
0
3.3
3.3
3.3
4.1
9.3
8.7
7.8
4.1
4.7
0
0.7
3.5
0
3.3
0
-3.0
3.7
3.3
GTR55/77
GTR55/77
GTR33
GTR55/77
MOTOR DRIVER
(METER DISPLAY ASSY)
MAIN BOARD (1/3)
Ver. 1.3
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
26
26
6-11. SCHEMATIC DIAGRAM - MAIN Board (2/3) -
• See page 40 for IC Block Diagrams.
CD
MECHANISM
DECK
IC407
IC252
2SC3052EF-T1-LEF
MUTING
Q452
2SC3052EF-T1-LEF
Q431
KTA1271Y-AT
Q684
Q682
2SC3052EF-T1-LEF
MUTE SW
2SC3052EF-T1-LEF
BASS AGC
Q178
REGULATOR
Q658
ISA1235AC1TP-1EF
REGULATOR
Q657
ISA1235AC1TP-1EF
REGULATOR
Q656
2SC3052EF-T1-LEF
REGULATOR
Q655
KTA1273-Y-AT
MOTOR DRIVE
Q648
2SC3440-T12-1F
MOTOR DRIVE
Q647
2SC3440-T12-1F
MOTOR DRIVE
Q646
2SA1365-T112-1EF
MOTOR DRIVE
Q645
2SA1365-T112-1EF
MOTOR DRIVE
Q644
2SC3440-T12-1F
MOTOR DRIVE
Q643
2SC3440-T12-1F
MOTOR DRIVE
Q641
2SA1365-T112-1EF
MA2J1110GLS0
D630
10
56k
R192
16
MC2840-T112-1
D321
C321
680p
JL159
JL154
JL158
JL157
JL160
JL156
JL155
JL165
JL164
JL163
JL162
JL161
JL167
JL166
1
2
3
4
5
6
7
8
9
9P
CN691
NC
NC
IFSCK
DGND
IFSOD
IFSDI
XSYSRST
XIBSY
XIFCS
C550
22p
C552
22p
C556
22p
C555
22p
C554
22p
C553
22p
1
MIC SIGNAL
JL526
1
8
3
4
5
6
7
NO602
8P
M+9V
Vbus_Det
3.3V
DGND
OC1
OC2
RST
470p
C431
470p
C432
AUX-R
37
36
35
48
19
34
REC-R
68
73
47
57
57
MIC
JL207
JL208
JL206
JL205
C293
2
3
4
5
6
7
7P
CN470
MIC GND
A+9V
HP/MIC DET
HP-L
HP GND
HP-R
JL527
JL528
CD_MTK-R
ET602
E
CD_MTK-L
66
14
15
1
2
3
4
5
6
7
7P
CN692
R-IN
AGND
L-IN
AGND
L-OUT
AGND
R-OUT
JL271
JL286
JL268
JL287
JL289
JL285
JL147
JL142
JL148
JL152
0.1
C698
JL144
JL146
JL141
JL150
JL149
JL151
JL153
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN410
M2-
M2+
M1-
M1+
SW-COM
SW3
SW1
SW7-CHACK
SW2
SW6-CLOSE
SW5-STOCK
SW8-OPEN
NC
JL145
JL143
25
27
24
28
26
23
22
*R270
*C382
*R220
16V
47
C220
R282
100k
470
R221
C281
8p
16V
47
C270
470
R271
JW206
*C290
R286
47k
R280
27k
R288
47k
47p
C222
47k
R277
47p
C272
R292
10k
R291
6.8k
8
7
6
5
4
3
2
1
NJM4558V-TE2
NJM4558V-TE2
IC252
PREAMP
OUTPUT
INPUT-
INPUT+
GND
INPUT+
INPUT-
OUTPUT
VCC
R285
47k
C285
1000p
22p
C223
C284
100
10V
22p
C273
1k
R228
R276
47k
47k
R227
R283
6.8k
1000p
C275
*R272
*R222
IC253
1k
R278
100k
R111
1.8k
R113
100k
R110
100
R116
50V
4.7
C102
MC2840-T112-1
D116
470
R112
50V
2.2
C118
R241
1k
R238
1k
*R242
R240
100k
R239
100k
C288
1
50V
2.2
C139
1k
R243
JL505
JL506
JL508
JL513
50V
C287
10
50V
10
C274
50V
10
C224
2SC3052EF-T1-LEF
MUTING
Q402
BUFFER
2SC3052EF-T1-LEF
MUTING
Q430
2SC3052EF-T1-LEF
BAND-PASS FILTER
Q115
JL509
C243
1
R668
2.2k
R669
470k
50V
C277
10
50V
C227
10
22k
R117
R284
3.3k
0.18
C383
1000p
C232
1000p
C233
R229
1k
R279
1k
R289
1k
*C292
16V
C286
470
16V
220
C225
12
21
11
18
SW-OUT
OUT-R
OUT-L
13
JL108
JL105
JL100
JL101
JL102
JL106
JL103
JL107
JL104
1
2
3
4
5
6
7
8
9
CN450
9P
TP-STATE
M+9V
M-GND
REC-Rch
REC-Lch
A-GND
PB-Rch
PB-Lch
A+9V
23
Q681
RT1N431C-TP-1
SW DRIVER
SWITCH
R683
1k
10k
R520
Q683
2SC3052EF-T1-LEF
MUTE SW
R526
2.2k
R525
2.2k
0
JR500
JL544
JL545
JL546
19
49
8
41
17
9
*R177
50V
2.2
C179
0.01
C134
*R127
50V
10
C109
0.01
C135
47k
R138
50V
0.47
C147
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
R2A15216FP
IC407
INPUT SELECTOR
ELECTRICAL VOLUME
AUX-R
DMPORT-R
INFR
GAMER
INGAINOUTR
RECAR
RECBR
SA1
SA2
TRER
MID1R
MID2R
BASS1R
BASS2R
TONEOUTR
VOLINR
BB1R
BB2R
OUTR
AGCOUTR
DATA
CLK
SWOUT
AGCC
AGCOUTL
OUTL
BB2L
BB1L
VOLINL
TONEOUTL
BASS2L
BASS1L
MID2L
MID1L
TREL
RECBL
RECAL
INGAINOUTL
GAMEL
INFL
DMPORT-L
AUX-L
ST-L
CD-L
TAPE-L
MIC
VC
REFOUT
REFIN
GND
VCC
DPLL/SURL
DPLR/SURR
TAPE-R
CD-R
ST-R
0.047
C152
4.7k
R182
0.022
C184
50V
10
C144
50V
2.2
C129
0.047
C132
470p
C242
10k
R153
0.1
C151
0.047
C182
4.7k
R183
*R178
50V
10
C131
C123
10
50V
0.022
C133
10
50v
C181
47k
R188
0.01
C183
10V
100
C149
4.7k
R133
0.01
C185
*R128
1M
R190
50V 10
C194
4.7k
R132
100
R202
47k
R201
16V
470
C154
0.1
C153
*C177
*C127
*C178
*C128
50V
1
C124
50V
1
C180
22
R200
820
R144
820
R194
1.5k
R134
1.5k
R184
10k
R135
1.5k
R145
10k
R195
1.5k
R185
50V
10
C137
10k
R137
2.7k
R136
10k
R187
2.7k
R186
50V
10
C187
4.7
C142
4.7
C143
4.7
C145
4.7
C146
4.7
C195
4.7
C193
0.1
C150
C148
100
10v
4.7
C192
0
R129
0
R179
2SC3052EF-T1-LEF
BASS AGC
Q128
10k
R122
10k
R121
470p
C161
470p
C162
470p
C164
470p
C165
47p
C163
47p
C160
CD_MTK-R
CD_MTK-L
MIC
AUX-L
ST-L
PB-L
ST-R
REC-L
PB-R
JW256
1
22
20
7
R656
47k
R664
2.2k
2.2k
R613
R642
47k
R652
47k
R647
47k
2.2k
R617
R663
22k
R662
33k
R655
47k
10k
R615
0.1
C656
470
R614
R644
47k
R648
47k
C655
220
10V
R650
47k
10EDB40-TB3
D651
R649
470
R651
470
R643
470
R641
470
R654
560
R645
560
R646
560
R653
560
MOTOR DRIVE
Q640
2SA1365-T112-1EF
10EDB40-TB3
D653
10EDB40-TB3
D652
R660
2.7
R657
2.7
R658
2.7
560
R616
M1-
M1+
M2-
M2+
5
6
AUDIO_DATA
AUDIO_CLK
PB-R
PB-L
REC-R
E4
REC-L
8
7
6
5
4
3
2
1
OUTPUT
INPUT-
INPUT+
GND
INPUT+
INPUT-
OUTPUT
VCC
0.1
C697
DMB19
BOARD
(1/3)
CN1106
(Page 21)
M
HUB
BOARD
CN1502
(Page 29)
J
MIC
BOARD
NO700
(Page 35)
N
DMB19
BOARD
(3/3)
CN4602
(Page 23)
L
TC
BOARD
CN502
(Page 36)
A
MAIN
BOARD
(1/3)
(Page 25)
PREAMP
IC253
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.4
4.4
4.5
4.5
4.5
4.5
4.5
4.5
4.5
9.0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
8.7
4.3
4.3
4.3
4.2
4.3
4.3
8.7
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0
0
5.0 5.0
5.0
5.0
5.0
5.0
5.0 5.0
0
0
5.0
7.9
7.5
4.8
4.4
4.4
8.4
8.4
4.0
0
8.4
-3.0
-3.0
0
0
5.5
3.1
3.8
-3.0
0
1.9
2.5
1.8
4.5
4.5
4.2
3.3
0
4.5
4.5
4.1
8.9
8.9
8.2
0.7
0.7
0
0
E4
MAIN BOARD (2/3)
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
12
MAIN
BOARD
(3/3)
(Page 27)
13
MAIN
BOARD
(3/3)
(Page 27)
14
MAIN
BOARD
(3/3)
(Page 27)
15
0.056 : GTR33
0.068 : GTR55/77
*R220
4.7k : GTR33
5.6k : GTR55/77
*R270
4.7k : GTR33
5.6k : GTR55/77
*R272
13k : GTR33
24k : GTR55/77
*C292
0.83 : GTR33
0.47 : GTR55
1 : GTR77
*R242
3.3k : GTR33
5.6k : GTR55
6.8k : GTR77
*C177
0.18 : GTR33
0.12 : GTR55/77
*C178
0.22 : GTR33
0.33 : GTR55/77
*R177
620 : GTR33/77
680 : GTR55
*R178
12k : GTR33
15k : GTR55/77
*C127
0.22 : GTR33
0.33 : GTR55/77
*C128
0.18 : GTR33
0.12 : GTR55/77
*R127
620 : GTR33/77
680 : GTR55
*R128
12k : GTR33
15k : GTR55/77
*R222
13k : GTR33
24k : GTR55/77
IC B/D
IC B/D
IC B/D
(CHASSIS)
*C380
0.068 : GTR33/55
0.056 : GTR77
*C290
0.082 : GTR77 (E4)
0.1 : Except GTR77 (E4)
Ver. 1.3
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
27
27
6-12. SCHEMATIC DIAGRAM - MAIN Board (3/3) -
• See page 40 for IC Block Diagrams.
1.0
0.3
0.3
IC677
IC603
IC602
KIA7812API-U/PF
IC600
SI-8001FFEK
IC678
Q696
KTC3228-Y-AT/P
C612
0.1
C604
0.1
C605
0.1
D10XB60 F
D601
25V
3300
C602
14
15
11
9
5
JL233
1k
R513
MA2J1110GLS0
D501
RY500
JL230
JL224
JL226
JL227
JL223
JL232
JL225
JL231
JL228
JL229
*R637
*R638
*R635
22k
R634
10
0
R636
22k
R633
C611
10V
100
0.1
C610
0.1
C608
MA2J1110GLS0
D628
R130
220k
R131
220k
1
2
3
4
5
6
7
8
9
9P
CN601
AVDD5V
AGND
DVDD5V
DGND
DVDD3.3V
MGND
VM (9V)
USBGND
USB+5V
JL278
JL277
JL276
JL275
JL274
JL273
JL280
JL272
JL279
JW604
JW602
16V
100
C609
RB055L-40TE25
D620
RB055L-40TE25
D621
10EDB40-TB3
D623
10EDB40-TB3
D624
10EDB40-TB3
D612
10EDB40-TB3
D611
10EDB40-TB3
D610
10EDB40-TB3
D613
IO
G
G
KIA7809API-U/PF
+9V REGULATOR
IC602
IO
KIA78D33PI
+3.3V REGULATOR
IC603
50V
C500
10
R502
1k
1
12
3
4
5
6
7
8
9
10
11
NO468
12P
AC CUT DETECT
AC4
EVER10V
STBY RELAY
DGND
-VFL
VF
VF
AC3
AC3
AC4
16V
10
C699
JL511
JL512
JL522
R118
47k
R120
47k
R504
1k
1k
R623
2SC3052EF-T1-LEF
Q620
2SC3052EF-T1-LEF
Q502
2SC3052EF-T1-LEF
AC CUT DETECT
Q501
2SC3052EF-T1-LEF
RELAY DRIVE
Q500
MC2838-T112-1
D699
R698
4.7k
R699
4.7k
+
-
JK500
2SC3052EF-T1-LEF
FAN MOTOR DRIVE
Q697
R690
2.7k
I
O
G
+12V REGULATOR
KTA1271Y-AT
Q699
R694
2.7k
R674
10k
0.1
C692
R697
1k
G
RED
WHT
J120
1
2
3
4
6
5
SI-8008TM-TLS
+5V REGULATOR
IC677
VIN
VOUT
GND
INV
STBY
330
R603
470
R619
2.2k
R601
2.2k
R602
47uH
L623
22
R659
C654
2200p
16V
100
C695
JW624
35V
470
C625
C617
0.1
C618
0.1
+
-
+
-
JK501
1
2
3
4
50V
C696
2.2
47uH
L624
1
2
3
4
5
+9V REGULATOR
VIN
VOUT
GND
INV
STBY
8.2k
R620
470
R621
330
R622
R640
150
1/2W
R627
C120
0.47
JW621
GTR77
GTR33/55
GTR33/55
JL270
2SC3906K-T146E
Q503
R500
1k
JR503
0
330
R666
10V
470
C620
25V
470
C621
16V
330
C624
MA2J1110GLS0
D691
+5V REGULATOR
22k
R695
16V
3300
C616
JL529
JL530
JL531
JL532
JL533
JL534
JL535
JL536
JL538
JL539
JL540
JL541
JL542
JL543
470p
C125
470p
C112
100p
C110
100p
C111
22p
C115
22p
C116
52
24
1
45
53
51
PROTECT
54
8
38
3
2
4
AUX-L
AUX-R
SUBWOOFER
USB_5V
PC IN
16
6
13
7
JL239
JL240
1
2
3
3P
CN690
FAN+
FAN+
FAN-
JL241
M101
(DC FAN)
*R225
*R226
2.2k
R223
R224
E4
2.2k
JL255
JL256
JL259
JL261
JL254
JL258
JL253
JL257
JL260
1
2
3
4
5
6
7
8
9
9P
CN220
ST-L
ST+9V
ST-R
GND
TUNED
ST-CE
ST-DIN
ST-CLK
ST-DOUT
65
44
61
63
67
ST-L
ST-R
JL218
JL212
JL222
JL221
JL216
JL220
JL211
JL214
JL213
JL219
JL250
JL251
JL217
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN479
SW-IN
R-IN
PREGND
L-IN
STK MUTE
PROTECT
UNREG+16V
HP-R
POWER GND
HP-L
SPK RELAY
SW-OUT
SW-Gnd
SW-OUT
OUT-L
OUT-R
12
D692
MAZ8056GMLS0
AC CUT DETECT
AC CUT DETECT
FAN MOTOR DRIVE
IC B/D
IC678
9.0
18.6
3.3
8.9
19.0
5.3
0.8
3.6
18.6
14.5
19.0
3.7
IC600
12.1
18.5
5.0
5.6
7.5
1.0
0.8
0.8
0.3
0.3
0.3
0.3
0
0
3.6
0
12.1
0.2
12.1
12.1
MAIN BOARD (3/3)
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
TRANS
BOARD
CN907
(Page 38)
B
M
A008
E
(CHASSIS)
MAIN
BOARD
(2/3)
(Page 26)
13
MAIN
BOARD
(2/3)
(Page 26)
14
DMB19
BOARD
(3/3)
CN601
(Page 23)
K
MAIN
BOARD
(2/3)
(Page 26)
15
MAIN
BOARD
(1/3)
(Page 25)
11
POWER
BOARD
CN801
(Page 31)
C
FM 75
:
ANTENNA
AM
TUNER
COAXIAL
(FM/AM)
*R635
3.9k : GTR33
3.3k : GTR55/77
*R637,*R638
560 2W :
GTR33
680 2W : GTR55/77
*R225,*R226
6.8k : E4
3.9k : Except E4
150
1/2W
Ver. 1.3
HCD-GTR33/GTR55/GTR77
HCD-GTR33/GTR55/GTR77
28
28
6-13. PRINTED WIRING BOARD - HUB Board -
•
: Uses unleaded solder.
• See page 19 for Circuit Boards Location.
C1500
C1501
C1502
C1503
C1504
C1505
C1506
C1507
C1508
C1510
C151
1
C1512
C1513
C1514
C1515
C1516
C1517
C1518
C1519
C1522
C1523
C1524
R1500
5
8
4
1
R1501
R1503
R1504
R1505
R1506
R1507
R1508
IC1500
R1509
R1510
R1511
R1512
R1513
R1515
R1516
R1517
R1518
R1519
R1520
R1521
R1522
R1523
R1524
R1525
R1526
R1527
R1530
R1533
R1537
R1538
R1540
R1541
R1543
R1544
R1546
X1500
FB1501
FB1503
JL1511
JL1512
JL1513
JL1514
JL1515
JL1516
JL1518
JL1523
1
10
CN1501
1
5
CN1500
R1547
JL1510
R1542
C1521
C1527
ET1500
ET1501
FB1500
FB1502
17
CN1502
C1520
FB1505
C1528
C1529
JL1524
JL1505
JL1502
JL1507
C1530
C1531
HUB BOARD (CONDUCTOR SIDE)
HUB BOARD (COMPONENT SIDE)
IC1501
R
USB BOARD
NO1002
(Page 34)
J
MAIN BOARD
NO602
(Page 24)
E
DMB19 BOARD
CN1105
(Page 20)
1-881-132-
21
(21)
1-881-132-
21
(21)
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
Click on the first or last page to see other HCD-GTR33 / HCD-GTR55 / HCD-GTR77 / MHC-GTR33 / MHC-GTR55 / MHC-GTR77 service manuals if exist.