Philips MCM7/22 Service Manual page 21

Philips micro hi-fi system service manual
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CONTROL BOARD - CIRCUIT DIAGRAM PART 1
1300 A7
1302 A1
1304 A5
1306 A6
1308 A4
1310 A3
1301 A9
1303 A5
1305 A5
1307 A3
1309 A4
1311 A3
1
2
TO FRONT DISPLAY
Key1
A
+5V6
1302
BassB
1
2
BassA
3
4
TrebleA
5
6
TrebleB
7
8
VolA
9
10
VolB
11
12
B
13
D
14
LedShStr
15
LedShData
15FE-ST-VK-N
LedShClk
LedEnable
TUCE
C
D
VOLUME
6308
+5V6
1N4003
E
#
8301
#
2304
1
RT-01T-1.0B
100n
PROVISION FOR ESD WIRE TO BOTTOM PLATE
1
2
6-9
1312 E2
1314 E5
2301 A8
2304 E2
2306 E3
1313 E4
2300 B8
2302 A9
2305 E3
2307 E4
3
4
FRONT CONTROL PANEL KEYS
PREV
STOP
ADC
NEXT
REC
PLAY / PAUSE
Key1
3301
3302
3303
3304
150R
220R
270R
390R
ADC
+D
4.9V
TREBLE
+D
1312
1313
EC12
EVE
A
B
A
C
C
D
D
D
3
4
2308 E5
2310 E6
3302 A3
3304 A4
3306 A5
3308 A5
2309 E6
3301 A3
3303 A4
3305 A4
3307 A5
3312 D3
5
6
CD
TAPE
TUNER
AUX / CDR
3305
3306
3307
3308
560R
820R
1K2
1K8
HEADPHONE ESD WIRE
TO BOTTOM PLATE
+D
+D
4.9V
BASS
1314
EVE
B
A
B
C
D
D
5
6
6-9
3313 D3
3315 D5
3317 D6
5301 A8
6308 D2
8301 E2
3314 D4
3316 D6
5300 A8
5302 B8
8300 B7
7
8
TO COMBI
1300
1
HP_DETECT
5300
2
HP_RIGHT
2u2
3
HP_GND
5301
4
HP_LEFT
2u2
FE-ST-VK-N
HP
5302
2u2
8300
2300
1
RT-01T-1.0B
100n
LedEnable
LedEnable
LedShStr
LedShStr
LedShData
LedShData
4.9V
LedShClk
LedShClk
TUCE
TUCE
# : PROVISION
D
Note : Some values may varies, see respective parts list for correct value.
8239_210_97634_01 (Control Circuit 1)...for 3529 pt4 dd wk0409
7
8
9
HEADPHONE
HP
4
1301
2
7
1
A
6
3
5
TC38-103-61
B
C
D
E
9

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