– 43 –
MD-X60H
Figure 43 SCHEMATIC DIAGRAM (2/16)
7
8
9
10
11
12
C171 220/10
C158 330P
C157
330P
R163
270
C160
1/50
Q114
2SJ103 GR
TP102
10K
R175
10/16
C168
C151
0.47
R199
560
Q108
2SB561 C
R150
100K
C137
47/16
R149
5.6K
Q109
2SC2412 KR
C136
10/16
R153
56K
R152
560
R138
5.6K
Q104
2SC2412 KR
R141
100K
Q103
2SC2412 KR
R137
5.6K
SW5
SW1
SW3
SW4
R–REC
F–REC
PACK
CrO2
SOL1
SOLENOID
SW2
PHM1
PLAY
MM1
TAPE MOTOR
FWM2
R191
470
CNP102
CNS102
CNP103
CNS103
R196
390
R195
820
Q117
2SB561 C
VR107
2.2K(B)
R194
100K
L105
4.7
µ
H
C178
47/16
R197
2.7K
D103
1SS133
Q119
2SB561 C
R187
100K
R184
47K
Q115
KRC107 S
C177
10/16
Q118
KRC107 S
R186
1K
Q116
KRC107 S
R185
4.7K
D102
1SS133
R181
330K
C174
0.22/50
R177
5.6K
R193
3.9K
R183
150K
R182
150K
R192
3.9K
R178
5.6K
C162
10/16
R168
1K
C166
0.22/50
R172
6.8K
IC103
HA12134AF
DOLBY NR
C165
0.22/50
R170
12K
R180
100K
C164
10/16
R164
1K
VR106
47K(B)
R166
22K
C170
4.7/50
R162
27K
L104
6.8mH
C176
390P
C156
220P
C159
1/50
L103
6.8mH
C175
390P
C154
1/50
R160
2.2K
C153
1/50
R161
27K
C161
10/16
R165
22K
R167
1K
VR105
47K(B)
R179
100K
C163
10/16
R169
12K
Q113
2SJ103 GR
R171
6.8K
C167
10/16
R173
18K
C169
4.7/50
R159
2.2K
C155
220P
C173
10/16
C172
1/50
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
10
11
12
13
9
8
7
6
5
4
3
2
2
1
1
11
10
11
10
9
8
7
6
5
4
3
2
2
1
1
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
3
2
1
SW
SW
BUF
AMP
SIDE
CHAIN
SIDE
CHAIN
REC IN
PB IN
PB IN
REC IN
PB OUT
NR ON/OFF
DET
MECHA GND
CR02_SW
REC-CONT
SOL
A/D-5V
MOTOR
RUN_PLSE
MAIN_SW
R/P-CR02
APSS-IN
CASSTE_SW
REC-BIAS
REC-MUTE
TO MAIN PWB (2/4) SYSTEM CONTROL SECTION
P45 7-H
MAIN PWB (3/4) AUDIO PROCESSOR SECTION
P46 6-A
PB-MUTE
DOLBY-REC/PB
DOLBY-ON/OFF
M_12V
AUDIO+12V
+B
+B
REC-R-CH
REC-L-CH
R-CH
L-CH
TAPE
SPEED
L-CH PLAY
SENS.
L-CH REC.
SENS.
R-CH REC.
SENS.
R-CH PLAY
SENS.
4
1
+SOL
CrO2
PACK
F_REC
NC
R_REC
SENSOR OUT
+5V SENSOR
470
PLAY SW
+MTR
-COM
MOTOR SPEED A
MOTOR SPEED B
B
A
M
3
2
1
3
2
1
3
2
1
SIDE_A
SIDE_B
REC OUT
REC OUT
DET
PB OUT
REC/PB
BIAS
BIAS_GND
G
D
C
D
G
C
VR104
22K(B)
VR103
22K(B)
1
2
3
BIAS
TP22
TP23
TP17
TP21
TP20
TP19
TP18
TP16
TP15
TP14
TP13
TP12
TP11
TP10
TP9
TP8
TP7
TP6
TP5
TP4
TP3
TP2
TP1
TAPE MECHANISM PWB-F
MAIN PWB-A(1/4)
P
S
Q
F
V
U
L
M
E
H
R
T
O
G
N
C
J
I
K
A
105
D
104
103
102
101
B
11V
0V
0.45V
11V
11V
0V
0V
0.7V
0V
0.1V
0V
0V
0.8V
12V
12V
0V
12V
12V
5.1V
0V
0V
12V
0V
0V
0V
0V
11V
0V
0V
11V
0V
0V
4.8V
9.8V
1.3V
4.8V
0.7V
4.6V
4.8V
4.8V
4.8V
1.3V
4.8V
5.1V
0.9V
4.8V
0V
4.8V
–
+