42
42
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
5-20. SCHEMATIC DIAGRAM — MAIN BOARD (3/5) — • Refer to page 22 for Block Diagrams. • Refer to page 59 for IC Block Diagrams.
4.5
2.1
5.8
1.5
4.5
4.5
4.5
3.5
3.5
3.5
3.5
4.5
4.2
0
0
0
4.5
0
0
0
0
4.5
4.5 4.5 4.5 4.5 4.5
4.5
4.5
4.2
4.5
4.5
3.8
3.8
3.8
3.8
3.8
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
0
9.0
4.5
4.5
4.5
4.5
4.5
4.5
0
4.7k
R133
2SC3052EF-T1-LEF
SWITCH
SWITCH
Q178
50V
10
C181
50V
10
C194
0.01
C184
10k
R196
0.022
C183
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
IC400
CD-R
VIDEO-R
NC
GAMER
INGAINOUTR
RECAR
RECBR
SA1
SA2
TRER
MID1R
MID2R
BASS1R
BASS2R
TO
N
EO
U
TR
VOLINR
BB1R
BB2R
OUTR
AGCOUTR
DA
TA
CLK
SWOUT
AGCC
AGCOUTL
OUTL
BB2L
BB1L
VOLINL
TONEOUTL
BASS2L
BASS1L
MID2L
MID1L
TREL
RECBL
RECAL
INGAINOUTL
GAMEL
NC
VIDEO-L
CD-L
ST
-L
PC-L
TAPE-L
MIC
VC
REFOUT
REFIN
GND
VCC
DPLL/SURL
DPLR/SURR
TAPE-R
PC-R
ST
-R
50V
0.47
C147
*4
C135
1M
R190
1k
R184
50V
2.2
C179
*4
*4
3900p : GTR7/GTR8/GTR8B
8200p : GTR6/GTR6B
*5
0.18 : GTR6/GTR6B
0.22 : GTR7/GTR8/GTR8B
*6
0.22 : GTR7/GTR8/GTR8B
0.27 : GTR6/GTR6B
*7
680 : GTR6/GTR6B
620 : GTR7/GTR8/GTR8B
C185
0.022
C133
10V
47
C149
50V
10
C144
0.047
C152
4.7k
R182
4700p
C132
1k
R134
0.01
C134
4.7k
R183
50V
1
C124
10.0MM
7.5MM
10V
100
C148
4.7k
R132
10 50V
C137
10V
470
C154
C121 220p
50V
2.2
C129
0.1
C150
0.1
C153
0.047
C182
C122 220p
50V
10
C187
0.1
C151
50V
10
C109
2SC3052EF-T1-LEF
Q128
*6
C127
*5
C128
*5
C178
*6
C177
*7
R127
15k
R128
15k
R178
10k
R188
10k
R138
100k
R192
50V
0.47
C180
C214
16V
470
1
2
0
R202
82k
R211
5.1k
R217
100
R216
2SC3052EF-T1-LEF
METER LEVEL SWITCH
Q210
50V
2.2
C213
1k
R210
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN110
OPEN SW
D+3.3V
TBL-SENSE
E-3
E-2
E-1
TM-F
TM-R
LMF
LMR
MGND
MGND
M+9V
1k
R122
1k
R121
1k
R194
0
R141
0
R191
1k
R144
0
R187
0
R137
330k
R215
*7
R177
50V
10
C131
JL121
JL122
JL123
JL124
JL125
JL126
JL127
JL128
JL131
JL132
JL133
JL134
JL135
JL136
JL137
JL138
JL139
JL140
JL141
JL142
JW223
7.5MM
JW220
JW225
JL129
2.2
C212
47k
R185
47k
R135
33k
R195
33k
R145
4.7
C191
0.33
C155
0.33
C105
JL404
JL405
JL408
JL403
JL440
JL439
JL438
JL421
JL4
22
4.7
C192
4.7
C193
4.7
C195
4.7
C146
4.7
C145
4.7
C143
4.7
C142
4.7
C141
JL130
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN400
HP_R
HP_GND
HP_L
HP_DET
AUDIO_GND
AUDIO_L
AUDIO_AGND
AUDIO_R
AUDIO_AGND
MIC_DET
MIC_GND
MIC_SGN
A+9V
TAPE_PB-L
CD_USB-L
MIC
VIDEO-L
TAPE_REC-R
46
44
43
42
40
39
38
36
34
52
53
TAPE_PB-R
PC-L
PC-R
TAPE_REC-L
77
VIDEO-R
ST
-R
CD_USB-R
ST
-L
76
PC-L
PC-R
MIC
28
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
10
11
15
12
13
14
9
JL111
JL112
JL113
JL114
JL119
1
2
3
4
5
6
7
8
9
10
11
11P
CN100
VF-
VF+
VG
AC3
AC3
AC3
AC3
AC3
AC3
AC3
AC3
AUDIO AGND
INPUT SELECT SWITCH
IC400
GTR8/GTR8B
GTR8/GTR8B
GTR7
IC B/D
DRIVER
BOARD
CN701
(Page 58)
MAIN
BOARD
(4/5)
(Page 43)
MAIN
BOARD
(5/5)
(Page 44)
FRONT
BOARD
CN1302
(Page 38)
MIC CD
BOARD
NO1002
(Page 46)
HEADPHONE
BOARD
NO1013
(Page 54)
MAIN
BOARD
(1/5)
(Page 40)
MAIN
BOARD
(1/5)
(Page 40)
MAIN BOARD (3/5)
R
C
D
S
11
5
4
12