11 - 3
11 - 3
uP
CD
P_GND
D_GND
A_GND
to
BOTTOM
PLATE
to
Low Power Standby (L.P.S.)
Transformer
6.2V
12.2V
7
8
9
10
11
12
13
14
15
8.5V
9.2V
8.4V
9.1V
9.1V
17.7V
0.57V
17.8V
0.58V
2.3V
0.7V
2.7V
2.1V
5.35V
7
8
9
10
11
12
13
14
15
5.35V
4.6V
COMBI BOARD - SUPPLY PART
from Mains
Mains Breakdown
Recognition
AF
RDS
ETF_LOGIC
D
E
9.1V
9.2V
-8.2V
18.8V
7.9V ac
15.8V ac
1
2
3
4
5
6
F
G
H
I
J
K
L
0250 G11
1251 E3
0.65V
0V
V
CD Mode 1KHz , 0dB track, DSC "OPTIMAL", DBB "OFF", INCR "OFF", VOLUME "20"
Standby Mode
Tuner Mode 1KHz , df "22.5kHz", DSC "OPTIMAL", DBB "OFF", INCR "OFF", VOLUME "20"
(230V MAINS SUPPLY ) DC VOLTAGES MEASURED IN :
(forseen only)
0.14V
2260 H7
2262 D15
16
17
18
19
20
21
1
2
3
4
5
6
3257 B14
3258 B15
3259 C15
3260 C16
3261 D16
3262 D16
3263 D13
3264 D18
3265 E16
16
17
18
19
20
21
A
B
C
3275 H15
3276 J17
F
G
H
I
J
K
L
A
B
C
D
E
6258 D10
6259 D10
6260 E8
6261 E8
6262 E9
6263 E9
6264 E10
6265 E10
6266 A7
1252 I3
2251 D7
2252 D11
2253 E7
2254 E11
2256 A6
2257 B7
2258 G5
2259 G5
7250 A14
7251 C14
2264 C15
2265 D19
2266 B15
2267 E6
2268 F11
3250 A5
3251 A8
3252 H5
3253 H5
3254 H6
3255 B13
3256 B14
9254 E18
9255 I12
9256 E16
T250 D3
T253 F3
T254 E6
T255 E11
T256 F6
T257 I3
3266 F16
3267 F17
3268 F17
3269 G16
3270 I12
3271 I13
3272 I13
3273 J13
3274 K15
3277 K17
3278 J18
3279 K19
3280 K19
3281 C17
3282 C17
3283 C17
3284 C17
6254 D8
6255 D8
6256 D9
6257 D9
6267 B7
6268 B8
6269 G6
6270 H6
6271 H8
6272 B16
6273 F18
6274 I12
6275 J17
7252 C16
7253 C19
7254 E17
7255 G17
7256 I16
7257 I15
7258 J14
7259 J14
7260 J18
7261 K18
9252 B19
9253 E4
T258 I3
T259 J3
T260 J3
T261 A19
T262 E18
T263 I19
T264 J19
Transformer
16.1V ac
5.5V
5.67V
4.8V
0V
0.65V
5.67V
0V
V
V
10.6V
0.14V
10.6V
9.2V
0.4V
9.8V
10.6V
9.8V
10.6V 9.8V
10V 9.3V
10.6V 9.8V
10.6V 9.8V
-8.2V -8.2V
21.7V 19.8V
8.3V ac
8V ac
16.6V ac
6.2V
6.2V
0V
12.2V
21V
18.4V
21V
18.4V
0V
0.57V
0V
0.58V
2.3V
0V
0V
0.7V
2.85V 2.8V
2.35V 2.2V
5.7V
5.5V
0.5V
4R7
3271
4R7
3272
470R
3275
BC327-25
7257
7258
BC327-25
7256
BC327-25
T260
T258
T259
T257
T253
T254
9252
1251
EH-B
1
2
3
1N4003
6263
6257
1N4003
6264
1N4003
1N4003
6258
6261
1N4003 1N4003
6262
1N4003
6255
1N4003
6256
3263
4K7
2264
10u
2267
3m3
4m7
2268
3267
2K2
1K
3257
2K2
3268
7252
BC847B
BC847B
7251
22u
2256
6268
10u
2257
6267
1N4148
BZX79-F8V2
1N4148
6266
470R
3250
2K2
3251
9256
0250
PAD
1R
3265
9253
2K2
3283
2K2
3284
2K2
3282
T263
T264
T261
T262
T256
BC847B
7259
T255
6275
BZX79-F3V3
2K2
3277
3276
2K2
4R7
3273
390R
3274
2253
100n
2254
100n
100n
2252
1N4003
6260
100n
2251
6259
1N4003
1N4003
6265
6254
1N4003
T250
100n
3281
2K2
2266
1252
EH-B
1
2
3
4
ETF_MOTOR (MC148)
TUNER
82K
3261
220K
3260
47K
3258
1K
3256
1K
3262
3255
1K
22K
3280
47K
3278
6271
BZX79-F6V8
3254
47n
2260
1N4148
6270
2K2
3253
4K7
6269
1N4148
4K7
3252
4u7
2259
4u7
9255
(no L.P.S.)
2258
6274
1N4003
3270
(L.P.S.)
3R3
3279
(L.P.S.)
BC847B
7261
1K
BC807-25
7260
(forseen only)
22K
3269
6273
1N4003
BACKLIGHT
BC847B
7255
ETF_AF
100u
2265
1K
3264
6272
BZX79-F10
330R
3259
1n
2262
9254
+C
47K
3266
BDW94CFP
7250
7253
BC368
BC369
7254
PWRDWN
-8V2
+5V6
+B
+A
+12V
STANDBY
+12V_AF
+B
STANDBY
+CD_MTF_MOTOR
+A
+B
+5V6_S
STANDBY
+AMP
+C
STANDBY
CIRCUIT DIAGRAM - COMBI BOARD (Part 3)
Содержание MC-M250
Страница 13: ...6 1 6 1 CIRCUIT DIAGRAM LED BOARD LAYOUT DIAGRAM LED BOARD ...
Страница 15: ...7 2 7 2 LAYOUT DIAGRAM FRONT BOARD ...
Страница 16: ...7 3 7 3 LAYOUT DIAGRAM FRONT BOARD ...
Страница 29: ...11 4 11 4 LAYOUT DIAGRAM COMBI BOARD ...
Страница 30: ...11 5 11 5 3583 LAYOUT DIAGRAM COMBI BOARD ...
Страница 34: ...COMBI BOARD LAYOUT DIAGRAM For production after week 0303 11 9 11 9 ...
Страница 35: ...11 10 11 10 COMBI BOARD LAYOUT DIAGRAM For production after week 0303 ...