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Q Q
6-5. Schematic Diagram MIAN Section (2/2)
3 7 6 3 1 5 1 5 0
MAIN BOARD
1
(1/2)
(Page 20)
B
CASSETTE
BOARD
(Page 22)
Q201,202
REC AMP
2.1
T E
L
1 3 9 4 2 2 9 6 5 1 3
R211
3.9k
R210
3.9k
2.1
C329
0.9
w w w
.
• See page 28 for IC Block Diagrams.
MAIN BOARD
(2/2)
C240
C250
0.0022
10u
50V
C251
4700p
C226
C230
0.0033
0.0082
C203
2
1u
50V
Q201
2SC945TP
1.4
C220
0.027
1.4
Q202
2SC945TP
2
0
C204
1u
50V
C225
C229
0.0033
0.0082
C201
0.1
1.7
Q312
2SD1616-L
ZD305
MTZJ-T-72-6.2B
+6V REGULATOR
x
a o
y
i
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8
C
DISPLAY
(Page 24)
BOARD
IC203
FUNCTION SELECT SWITCH,
ELECTRONIC VOLUME
IC B/D
0.7
C248
R250
0.1
10k
50V
D314
0
1N4148
Q206
C214
2SC945TP
2.2u
R248
MEGA BASS
50V
2.2k
C242
D316
4.7u
R234
1N4148
50V
6.8k
D312
1N4148
C212 2.2 50V
R240
8.2k
C214
Q
Q
C246
2.2u
3
7
6
3
0.001
Q301
50V
2SC3623-LK
R303
C315
0.7
4.7k
10
50V
C213
0.7
R304
2.2u
50V
4.7k
Q302
R239
2SD1616-L
8.2k
R247
2.2k
Q301,302
C211
MUTING
2.2u
C245
Q205
50V
0.001
2SC945TP
MEGA RASS
R245
C241
6.8K
0
4.7u
50V
0.7
C247
0.1
50V
R249
10k
D307
8.6 <0>
1N4148
D308
1N4148
D317
9.7
15.3
1N4148
D309
0.9
1N4148
<9.3>
10.3
5.5
Q313
6.1
SC1383
EXCEPT
C327
AEP,UK
0.022
C323
0.022
ZD304 MTZN-T-72-10B
Q312
Q313
Q308, 309
+9V REGULATOR
+8V REGULATOR
CONTROL SWITCH
u 1 6 3
.
21
21
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2
4
9
9
8
D
DISPLAY
(Page 24)
BOARD
* CD
* SUPPLIED AS THE ASSEMBLED BLOCK
BLOCK
C249
0.0022
R265
R264
2.7k
2.7k
R267
R266
10k
10k
Q314
MUTING
CONTROL
SWITCH
0
0.6
IC301
POWER AMP
D306
Q314
1N4148
2SC945
TP-QP
9.1
0
0
+
1
5
1
5
0
16.9
8
9
2
4
0.6
–
C302
0.001
9
C306
0.15
BIAS CIRCUIT,
HEAT OPERATION
PROTECTION CIRCUIT
C305
0.15
C301
0.6
9
0.001
0
–
0
16.9
+
17.3
17.7
R343
10K
0.1
C342
C341
C343
10
10
10
50V
50V
50V
Q308
KTD2058Y
Q309
15.4 <15>
2SA733TP
0 <9.3>
15.4 <9.3>
R323
15.2 <0>
4.7k
Q311
0 <0.7>
C317
2SC945TP-QP
0 <0.7>
0.022
D311 1N4148
Q310
0.6 <0>
D310 1N4148
2SC945TP-QP
Q310, 311
REGULATOR
m
c o
HCD-EP305
2
9
9
HEADPHONE BOARD
JK401
PHONES
5
1
SPK301
R
SPEAKER
(IMPEDANCE
USE 4
¶)
L
9
8
2
9
9
6
E
POWER
BOARD
CN402
(Page 26)
1
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