Philips MCD708 Service Manual page 23

CIRCUIT DIAGRAM - CPU BOARD
R247
8050
R291
2.2K
Q206 Q207
R248
2.2k M-OPEN
8550 1K
C212
Q209
470p
8050
M-CLOSE
Q208 R225
R246
8550 1K
R292 2.2K
C201 2.2k
C209
470p
100UF/16V
D-5V
5P/2.0
CN201
R217 R216
M1+
5
10K 10K
M1-
4
OPEN-SW
3
D-GND
2
CLOSE-SW
1
CN209 470p
Q203
C205
M+ 8050
R265
2
M- 2.2k 1K M-UP
1 560
Q201 R226
R221
2P
8550
R227 M-DOWN
Q204
1K
2.2k
8050
R275
R220 470p
C204
560
Q202
8550
D-5V
BC817
R2001
R2002
1K 1K MUTE
Q211 Q212
L-OUT
RCA-2P R-OUT
RCA204 R298
BC817
R297
100K
R2003
3 L 10K 100K
2 R R2004 10K
R296
1
2.2K 4.7UF/16V 4.7UF/16V
0
C215 C218
R219
R295
2.2K
R236
0
C237
4.7UF/16V
2 1
LED201
LED(BLUE)
2 1
LED202
LED(BLUE)
2 1
LED203
LED(BLUE)
2 1
LED204
+12V
LED(BLUE)
2 1
LED1
680 R204
1 7
LED2
LED205 680
2 6 R205
LED(BLUE) LED3
680 R206
3 5
2 1 LED4
680 R207
4 4
LED5
680
5 3 R208
LED6
LED206
680 R203
6 2
LED(BLUE)
COM
7 1
CN17
2P/2.0 Q210
R215
2P/2.0
CN208
10K
8050
9- 1
CN202
5P/2.0
300P
300P
C211 C203
M-CLOSE
M-OPEN
100
R212
KEY
R251 100
LED
M-UP
M-DOWN
DS-STB1
DS-DAT
DS-CLK
REM
ROT-A
R211 10K
ROT-B
R202 10K
C219 C220
103P 103P
R223 R224
10K 10K
R274
A5V
10K
OPEN-SW
CLOSE-SW
R233
10K
JP202
!
M-RIN
4.7UF/16V
C239
300P
C207
300P
C208
C210 300P
R294
10K
M-LIN
D209
4148
D211
C206
4148
R210
10K
9P/2.0
100UF/16V
CN207
CN210
40P
IC202 24C01
10K
5 4
R272
SDA GND
6 3
SCL A2
7 2
4.7K
TEST A1
R214 8 1
Vdd A0
R213
68K
10K 10K
10K
R284 R285
R286
34 22
LED PLL-CL 1K
35 21
M-UP PLL-DA
R287
36 20
M-DOWN RDS-Q
37 19
DS-STB1 RDS-SDA
38 18 R230
1K
DS-DAT RDS-SCL
39 17
R231 1K
DS-CLK DVD-STB
40 16
REMTOE DVD-CLK
41 15
ROT-A DVD-DI
42 14
ROT-B DVD-DO
43 13
M+ DVD-ON
44 12
M- RESET
C230
330P
R229
22K
IC203
2SC9228
R299 1M
R228
3.3K C228
C270 2.2UF/10V
X201 X202
102
4.19MHz 32.768KHz
C221 C222 C223 C224
30P 30P 15P 15P
C267
104P
IC209
7805
C242
300P
C243
300P
C214
100P
C244
100P
C245
300P
C246
100P
C247
300P
C240
300P
C268
300P
ECO .VCC
-30V
CN203
3P/2.0
9- 1
6P/2.0
CN206
D206
IN60
REM
A5V
IC201
AC6811
1 8
2 7
3 6
4 5
R289
1K
DVD ON
R288
1K
4.33MHz
1 16
QUAL RDCL
X203
2 15
RDDA T57
3 14
VREF OSCOUT
R232 2.2K
4 13
MPX OSCIN
5 12
OSEL Vs
6 11
GND EXRES
7 10
ARI TM
8 9
FILOUT FSEL
C233 C234
C232
82P
C229 IC204
47P
104P
560P TD2579
IC207
7805
220UF/25V
100UF/10V C241
C255
C231
C253
220UF/16V
104P
L205
22UH
IC208
R253
C254 L216 R209
LM2576
2.7K
220UH
104P 2A
2 1
Vo Vi
R201 R255
10 47K
R277
390
D210
C269 Q205
R252
R257
47u 5822 9014
1K
C252 4.7K
1000UF/10V
!
F201 F2AL250V
C266
470UF/25V
C213
104P
R269
R276 All parts comply with suppliey environment
100
DZ201
10K
3V3
protect material licf regulate by green
DZ202
R270
27V envionment management
100
R271
15/0.5
-24V
R273 C264
C263
220/35V
2201/2W
104
JACK202
RCA3P
BLUE
1T L215
1
GREEN
1T
L214
JACK4 2
RED
S-VIDEO 1T L213
3
1T GND2
L212
4
CVBS
1T
L211
5
SY
1T L210
6
1T SC
L209
7
SP
8
+5V
9
D-GND1
10
CN205
10P/2.0
3P
CN211
+12V
1
DVD5V
2
3
4
5P
CN204
BD201
KBL406
C260
104P