10 - 3
10 - 3
10u
2261
2u2
2263
47u
6266
6267
1N4003 1N4148
MC-200
15
1
3251
2K2
3263
4K7
1K
7257 I15
7258 I14
7259 J15
7260 J18
2
3
4
5
*
(230V MAINS SUPPLY ) DC VOLTAGES MEASURED IN :
Item
MC-1xx
Model
Item
MC-1xx
MC-200
3282
3264
3283 3284 4250
2250
4M7
16V
2255 2256 2257
6251 6253 6257 6262 6264
6275 J17
7250 A14
7251 C14
3282 C17
BC368
BZX79-F8V2
15.7V ac
MTF_AF (MC10)
CD Mode 1KHz , 0dB track, DSC "OPTIMAL", DBB "OFF", INCR "OFF", VOLUME "20"
2264
47u
4u7
2265 2266
100n
2267 2268
3250
470
3M3
25V
22u
100u
3M3
16V
4M7
25V
7252 C16
7253 C19
7254 E17
7255 G17
7256 H16
3276 J17
3277 K17
3278 J18
3279 J19
19V
6.2V
Model
(MC20)
Transformer
6250 6252 6256 6258 6263
6268
7253
9251 9252 9253
2K2
2K2
2K2
1N4003 1N4003
1N4003 1N4003
1K
6270 H6
6271 H8
6272 B16
6273 E18
6274 I12
2256 A6
2257 B7
2258 G5
2259 G5
P_GND
13V
(MC20)
3283 C17
3284 C17
D_GND
A_GND
V
T250 D3
T251 E2
T252 F2
T253 F3
T254 E6
T255 E12
T256 F6
T257 I4
T258 I4
T259 I4
T260 J4
T261 A19
T262 E18
T263 I19
T264 J19
3271 H14
3272 I14
3273 I14
3274 K15
3275 H15
K
L
0250 G11
1250 D2
3280 K19
3281 C17
3250 A6
3251 A8
3252 H5
CD
11.6V ac
12.2V
7261 K19
9251 D6
9252 B19
9253 E4
9254 E18
9255 I12
9256 E16
6262 E9
6263 E10
6264 E10
6265 E10
6266 A7
6267 B7
6268 B8
6269 G6
3264 C19
3265 E16
2253 E8
2254 E11
2255 F11
L
18
19
20
2260 H7
2261 B14
2262 D15
2263 C18
2264 C15
4250 B19
6250 D4
6251 D4
6252 E4
6253 E4
6254 D8
6255 D8
6256 D9
6257 D10
6258 D10
6259 D10
6260 E8
6261 E8
3266 F17
3267 F17
3268 F17
3269 G16
3270 I12
BOTTOM
2.1V
5.35V
5.35V
J
21
1
8
9
1251 E3
1252 I3
2250 E6
2251 D8
2252 D11
3253 H5
3254 H7
3255 B14
3256 B14
3257 B15
3258 B15
CD SERVO
RDS
2.3V
from Mains Transformer
17.7V
to
3259 C15
3260 C16
3261 D16
3262 C17
3263 D14
G
H
I
J
K
1251
6
7
uP
21
A
B
C
D
2265 D19
2266 B15
2267 E6
2268 F12
H
I
12.9V
12.9V
0V
4.6V
12.3V
2.7V
Tuner Mode 1KHz , df "22.5kHz", DSC "OPTIMAL", DBB "OFF", INCR "OFF", VOLUME "20"
0.58V
17.8V
AF
0.65V
0.57V
6
7
8
9
16
17
18
19
20
10
11
12
13
14
A
B
C
D
E
F
13V
to
12.3V
0.14V
0.7V
12.9V
Standby Mode
PLATE
G
E
F
MC20
21.7V 19.8V
18.8V
MC20
8.3V ac
8V ac
7.9V ac
MC20
16.6V ac
16.1V ac
15.8V ac
MC10
Recognition
ETF_LOGIC (MC20)
MTF_MOTOR (MC10)
Mains Breakdown
Low Power Standby (L.P.S.)
10
11
12
13
14
15
(forseen only)
1250
16
17
2
3
4
5
MC20
10.6V
9.1V
8.5V
MC20
0.4V
9.8V
9.2V
MC20
8.4V
10.6V
9.8V
9.1V
MC10
10.6V 9.8V
9.1V
MC20
10V 9.3V
MC20
10.6V 9.8V
9.1V
MC20
10.6V 9.8V
9.2V
MC20
-8.2V -8.2V
-8.2V
15V
13V
15V
0.14V
0V
0.7V
15V
13.8V
15V
13.8V
15V
13.8V
14.5V
13.3V
2.85V 2.8V
2.35V 2.2V
5.7V
5.5V
0.5V
5.5V
5.67V
4.8V
0V
0.65V
5.67V
0V
V
10.6V
0.14V
0.14V
4u7
11.8V ac
V
12.2V ac
16.5V ac
16V ac
15V
13.7V
6.2V
6.2V
21V
19.4V
0V
12.2V
21V
18.4V
21V
18.4V
0V
0.57V
0V
0.58V
2.3V
0V
0.4V
13.8V
2266
100n
*
2258
2259
4u7
22u
2256
*
4R7
3273
6274
1N4003
82K
3261
(L.P.S.)
2K2
3284
*
0250
PAD
2K2
3282
*
1K
3264
*
47K
3278
BDW94CFP
7250
1N4003
6265
220K
3260
6259
1N4003
T252
10u
2257
*
T260
7252
BC847B
1N4003
1N4003
6256
*
6254
3253
4K7
ETF_MOTOR (MC20)
4R7
3272
1N4003
*
9253
*
+C
2K2
3268
6250
2268
4m7
*
6268
*
330R
3259
1250
EH-B
*
1
2
3
4
BZX79-F8V2
T264
T256
1K
3262
22K
3269
1N4148
1N4003
6263
*
47u
2263
*
6269
6271
BZX79-F6V8
2K2
3254
47u
2264
*
T255
9256
2250
4m7
*
3263
1K
*
7256
BC327-25
9255
(no L.P.S.)
1N4148
6270
6257
1N4003
*
6275
BZX79-F3V3
T254
1N4003
6262
*
1252
EH-B
1
2
3
4
2254
100n
T258
9252
*
2K2
3277
2K2
3283
*
T262
1K
3257
6272
BZX79-F10
47K
3258
3m3
2255
*
1N4003
6258
*
1N4148
6266
*
T250
ETF_AF
100u
2265
*
*
2u2
2261
*
390R
3274
1N4003
6253
4250
*
T257
BC847B
7251
BACKLIGHT
1K
3256
TUNER
47n
2260
T263
1K
BC327-25
7257
2K2
3251
*
3255
T251
T259
T253
6267
1N4148
*
3270
(L.P.S.)
3R3
1n
2262
BC369
7254
T261
6261
1N4003
7258
BC327-25
2253
100n
*
BC807-25
7260
1N4003
6251
*
9251
1R
3265
3267
2K2
100n
2252
4R7
3271
BC847B
7261
6273
1N4003
(forseen only)
3276
2K2
TUNER
BC847B
7259
1N4003
6260
470R
3275
*
9254
3266
7253
BC368
1N4003
6255
47K
*
BC847B
7255
100n
2251
3m3
2267
470R
3250
*
3281
2K2
22K
3280
6264
1N4003
*
1K
3279
EH-B
*
1
2
3
4K7
3252
6252
1N4003
*
1251
+B
-8V2
+A
STANDBY
STANDBY
STANDBY
+AMP
+AMP
+12V_AF
+12V_AF
PWRDWN
+C
STANDBY
+A
+5V6
+5V6_S
+12V
+CD_MTF_MOTOR
+B
+B
COMBI BOARD
Supply part
CIRCUIT DIAGRAM - COMBI BOARD (Part 3)
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