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
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
MC2837
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
*C380
16V
47
C220
R282
100k
470
R221
C281
8p
16V
47
C270
470
GTR33
GTR55/77
R271
JW206
0.082
C290
R286
47k
R280
27k
R288
47k
47p
C222
47k
R277
47p
C272
R292
10k
R291
6.8k
NJM4558V-TE2
NJM4558V-TE2
IC252
PREAMP
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
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
12p
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
0.1
C697
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
*C380,*C382
0.068 : GTR33/55
0.056 : GTR77
*R220
4.7k : GTR33
5.6k : GTR55/77
*R270
4.7k : GTR33
5.6k : GTR55/77
*R272
12k : 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
680 : GTR55/77
*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
680 : GTR55/77
*R128
12k : GTR33
15k : GTR55/77
*R222
13k : GTR33
24k : GTR55/77
(CHASSIS)