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7-17. SCHEMATIC DIAGRAM - MAIN Board (1/5) -
1
2
3
4
MAIN BOARD
(1/5)
A
NO321
2P
41
MGND
2
1
B
M+9V
MAIN
BOARD
(3/5)
NO922
(Page 49)
C
VACS_SIG
44
TC_HALF
LED+9V
MAIN
BOARD
LED_GND
(2/5)
TC_SHUT
(Page 48)
Q330
RT1P141C-TP-1
D
CN304
3.3
7P
R-REC
7
TRGM+
6
TAPE MECHANISM
0
DECK BLOCK
HALF
5
SUPPLIED WITH
SHUT
4
THE ASSEMBLED
E
BLOCK
M-GND
3
CAPM+
2
F-REC
1
CN302
8P
FB34
L-PB
8
L-CH
F
GND
7
FB54
L-REC
6
FB84
R-PB
5
R-CH
GND
4
R-REC
3
GND
2
ERASE
E-HOT
1
G
H
0.1
I
J
L301
27mH
K
C306
100p
L
C356
100p
M
R319
3.3k
(Page 49)
C314
0.01
79
MAIN
100V
BOARD
BIAS_GND
(3/5)
N
TC_REC_PB
45
TC_CAPM
TC_TRGM
MAIN
TC_BIAS
BOARD
(2/5)
TC_REC_MUTE
(Page 48)
TC_LINE_MUTE
O
HCD-AZ33D
• See page 35 for Waveforms.
5
6
7
8
9
Q329
R323
2SB1116-TP-LK
R332
1k
8.7
8.7
47k
8.7
8.7<8> {8}
0
Q322
0 <8.7> {8.7}
2SB1116-TP-LK
Q321,322
R330
R333
TRIGGER PLUNGER
3.3k
DRIVE
3.3k
R331
C322
4700p
3.3k
R321
R322
2.2k
2.2k
3.3
Q321
RT1N141C-TP-1
8.7
0
0
8.7<0.1> {0.1}
0 <3.2> {3.2}
Q331
2SC3052EF-T1-LEF
Q328
RT1N141C-TP-1
Q330,331
CASSETTE DETECT
C304
10
50V
Q328,329
CAPSTAN/REEL
MOTOR DRIVE
C303
330p
FB101
C354
C353
10
330p
50V
Q301
2SC3052EF-T1-LEF
0.1
0.1
<0.8> {-19}
Q351,352
MUTING
Q351
R301
4.7k
2SC3052EF-T1-LEF
<0.1> {-11.1}
<0.8> {-19}
C332
R351
0.1
4.7k
C382
Q301,302
C333
0.1
MUTING
0.1
<0.1>
C383
<0.1> {-11.1}
R302
0.1
{-11.7}
Q311
<0.8> {-19}
4.7k
R352
2SA1235TP-1EF
4.7k
<9> {-18.7}
9.1
Q302
<0.8> {-19}
2SC3052EF-T1-LEF
Q352
<8.4> {9.1}
2SC3052EF-T1-LEF
R312
10k
Q314
RT1P141C-TP-1
R311
10k
<0.1> {9.1}
R353
1k
<-0.1> {9}
9.1
<-0.1> {0.8}
Q311-313
Q312
MUTING
Q353
RT1N141C-TP-1
CONTROL
SWITCH
2SC3624A-T1L15L16
Q314,315
MUTING
<4.9> {0.1}
MUTING
CONTROL
<9.1> {0.1}
SWITCH
R313
10k
R310
R303
<0> {1.9}
4.7k
1k
0.1
Q313
<4.9> {0.1}
RT1N141C-TP-1
<-0.1> {0.8}
Q315
RT1N141C-TP-1
<0> {1.9}
Q303
2SC3624A-T1L15L16
C310
22
MUTING
50V
R306
R309
R118
2.2k
12k
1k
Q104
R307
2SC5938-T112-1B
10k
MUTING
0
{-5.5}
R102
C307
C308
47k
C340
330p
0.01
R119
0.1
1k
{-5.5}
C357
C358
330p
0.01
R169
1k
0
Q154
R357
2SC5938-T112-1B
10k
R152
MUTING
47k
R168
R356
R359
2.2k
12k
1k
L351
27mH
R354
R355
R358
C355
0
8.2k
4.7k
1000p
R308
R304
C305
R305
0
8.2k
1000p
4.7k
C315
4700p
10
11
12
13
14
Q103
2SC5938-T112-1B
R109
C146
MUTING
47k
5600p
R110
10k
<-5.4> {0.7}
0.1
IC101
REC/PB EQ AMP,
IMPUT SELECT SWITCH,TONE CONTROL,
ELECTRICAL VOLUME,BASS BOOST AMP
IC101
M61537FP-RF0G
64
63
62
61
60
59
58
57
56
C115
10
R130
R111
10k
50V
1k
4.6
65
C116
10
50V
4.7
66
C119
R112
12k
0.01
10
C118
C117
1
50V
4.6
R114
50V
67
180
3.5
68
FB107
R113
330k
0.7
69
0.1
C147
100p
C125
70
100
C136
71
10V
470p
4.7
72
C150
0.1
4.6
73
C127
100
10V
4.6
74
C186
C197
100p
FB102
470p
75
0.1
FB157
76
0.7
77
R164
330k
3.5
C169
R163
180
78
10
4.6
50V
79
R162
C167
4.7
C168
80
12k
1
R180
0.01
50V
10k
C166
1
2
3
4
5
6
7
8
9
10
50V
JW805
C126
100
10V
JW804
C165
10
R161
1k
50V
C135
50V
0.1
R160
C151
C120
1k
10
10
<-5.4> {0.7}
50V
50V
R159
C196
Q153
47k
5600p
2SC5938-T112-1B
MUTING
R320
33
9.1
<0> {9}
Q317
RT1P137L-TP
R314
<9.1> {6.9}
47k
<0.2> {8.3}
4
3
R315
21
4.7k
Q318
5
2
2SC2001TP-K1K2
R318
R317
<9.1> {0}
BIAS OSC
47
10k
<0.2> {-0.6}
6
1
<0> {3.2}
C313
<0> {0.2}
T301
47
C312
BIAS OSC
16V
C311
R316
0.01
10
6800p
RT1N141C-TP-1
22
47
47
15
16
17
18
19
R188
1.5k
R189
47k
R104
C109
C111
22
1.8k
2200p
50V
C106
R105
10
R103
10k
50V
2.2k
Q101
R128
1M
2SC3052EF-T1-LEF
C110
C131
FEED BACK
0.068
6800p
4.6
SWITCH
4.2
R108
47k
4.6
C112
10
R115
R106
50V
82k
5.6k
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
C113
0.56
4.6
40
4.6
R107
39
470
4.6
C114
0.47
38
4.6
37
36
0
C123
0.1
35
10V
0
C124
100
34
9.1
33
4.6
C179
1
50V
C178
0.27
32
C177
4.6
31
0.47
R175
4.7k
4.6
30
4.6
R174
4.7k
29
4.6
28
4.6
C164
0.47
R157
27
4.6
470
26
4.6
25
C163
0.56
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
C162
10
50V
R156
C181
6800p
5.6k
C160
0.068
1
C158
0.018
4.6
R158
47k
4.2
C157
C156
R153
0.018
10
2.2k
R155
50V
4.6
10k
Q151
2SC3052EF-T1-LEF
R154
C159
C161
R165
1.8k
22
2200p
82k
FEED BACK
50V
SWITCH
L311
Q361
100uH
RT1P141C-TP-1
MUTING
CONTROL
Q316,317
3.3
SWITCH
REC BIAS
SWITCH
0{3.2}
3.3 <-5.5>
3.3{-5.5}
R361
4.7k
Q316
C361
C363
4.7
4.7
50V
R362
50V
R366
100k
R363
22k
C364
C362
22k
4.7
4.7
50V
50V
HCD-AZ33D
20
21
22
23
(Page 50)
49
FR-IN
FL-IN
MAIN
BOARD
LT-IN
(4/5)
RT-IN
51
ST_R_IN
MAIN
BOARD
ST_L_IN
(5/5)
(Page 51)
BT_L_IN
53
BT_R_IN
MIC_SIGNAL
L+R_SIGNAL
MAIN
JW803
BOARD
SIG_AGND
(5/5)
JW806
BT_AGND
(Page 51)
(Page 50)
NO112
2P
43
1
AUDIO GND
2
PRE GND
MAIN
BOARD
(4/5)
NO222
CN100
C140
2P
1
50V
1
GND
(N.C.)
2
GND
57
MAIN
DBFB
BOARD
(4/5)
(Page 50)
(Page 49)
JW802
56
MAIN
REG_AGND
BOARD
(3/5)
C173
C174
(Page
100p
100p
86
MAIN
A+9V
BOARD
50)
R127
(4/5)
2.2k
58
AMPIC_DATA
MAIN
R126
2.2k
BOARD
AMPIC_CLK
(2/5)
(Page 48)
C176
10
50V
(Page
50
VRSW
MAIN
BOARD
A+4.5V
(5/5)
51)
R388
1k
54
FR-OUT
FL-OUT
MAIN
BOARD
MUSIC_L+R
(4/5)
(Page 50)
(Page 51)
52
L-OUT
R-OUT
MAIN
BOARD
(5/5)
REC_R_IN
(Page 51)
REC_L_IN
46
EVER+3.3V
MAIN
BOARD
VP
(5/5)
48
EVER+3.3V
MAIN
BOARD
(2/5)
(Page 48)
3.3
0 <3.2>
Q362
RT1P141C-TP-1
MUTING
CONTROL
SWITCH
R364
4.7k
(Page 50)
83
MAIN
DGND
BOARD
R365
(4/5)
100k
84
MAIN
DGND
BOARD
(3/5)
(Page 49)
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