Philips MCD906 Service Manual page 30

11-8
Decoder Board--Circuit Diagram
J6
J12 AGND SDA R234 330
1
5 VCC_12V 2 MIC_R SCL R235 330
GND MIC_L
4 3
3 STANDBY 4 A12V CPU5V
ECO_POWER
2
1 ECO_VCC CON2.0-4
CON2.54-5 J7
DS_STB1
1
2 DS_DAT
DS_CLK
3
4 REMOTE
VFD_VCC
5
J8 6 ROT_A
L_BT ROT_B DVD_IR
1 7
2 R_BT 8 GND
AGND
3
4 CPU5V CON2.0-8
SCL
5
6 GND J11
SDA CLOSE_SW
7 5
4 GND
CON2.0-7 OPEN_SW
3
2 M-
M+
1
CON2.0-5
ECO_VCC
J13
8 AGND
SDA_TU R237 330 SDA
7
CPU5V
6 SCL_TU R238 330 SCL
AGND
5
4 AGND
FM5V
9 3
10 2 FM_RIN CE50
FM_LIN 47uF/16V
1
C96 C97
FM
J10 100pF 100pF
1 DVS
MUTE1 J14
2
3 STANDBY 1 AUX_LIN
AGND AUX_RIN
4 2
5 R_OUT 3 AGND
L_OUT
6
CON2.0-3
CON2.0-6
C112 C113
1000pF 1000pF
D35 1N4148 D36 1N4148
MUTE_DVD MUTE R196 4.7K MUTE1
1 2 1 2
D37 1N4148
MUTE_CPU R198 + CE59
1 2
4.7uF/50V
68K
D38 1N4148
HP_MUTE
1 2
A5V
L57 NC/FB
ECO_VCC
L58 FB
VFD_VCC ECO_VCC
CE71
+ C116
0.1
10uF/16V
M+
Q28 2 R220 470 Q29 2 R221 1K M_CLOSE
8550,DIP 8050,DIP
R222 C92
M- 2.2K 470pF
Q30 R223 470 Q31 R224 1K M_OPEN
2 2
8550,DIP 8050,DIP
A5V R225 C93
CE70 2.2K 470pF
C117 +
0.1 220uF/16V
CPU5V
U10
24C02 SDA R233 330
R143 3.9K SDA0
5 4
SDA GND
6 3 R145 68K SCL0 SCL R236 330
SCL A2
R146 10K ROT_A
7 2
TEST A1
8 1 R147 10K ROT_B
VDD A0
D32 IN60
1 2
U12
S3C9228
DS_STB1 R155 100 MCUTP1 1
DS-STB UP-M
DS_DAT R156 100 MCUTP2
2
DS-DATA DOWN-M
DS_CLK R157 100 D42 IN60 MCUTP3 3
DS-CLK
REMOTE R158 100 MCUTP4
2 1 4
REMOTE
ROT_A R159 10K R O T A M C U T P 5 5
ROT-A
ROT_B R162 10K R O T B M C U T P 6
6
ROT-B STANDBY
7
TREBLE-AD MUTE
8
BASS-AD
9
FUN-A LED
10
FUN-B ECOPOW
L51 10uH MCUTP11 11
VDD SDA
MCUTP12
12
VSS SCL
MCUTP13 13
XOUT CLOSE-M
R171 4.7K MCUTP14
14
XIN OPEN-M
Y3 MCUTP15 15
TEST CLOSE-SW
16
XTIN OPEN-SW
R175 D34 17
XTOUT DVD-SW
REST
18
REST SD-DET
+ C71 22K 1N4148 C72 4.19MHz MCUTP19 19
DVD-ON USB-DET
0.1uF 1000pF MCUTP20
20
DVD-DO DVD-STB
REST MCUTP21 21
DVD-DI DVD-CLK
C74 C75
CE51 + 30pF 30pF
10uF/16V
TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20
U14
24C08A
SDA R239 330 5 4
SDA GND
SCL R240 330
6 3
SCL A2
R197 10K 7 2
TEST A1
C82
8 1
VDD A0
R199 10K 220pF
CPU5V
R202 10/0.5W
VCC_12V
1 3
A12V
Q22
8550
R207
R208 47K CE62 +
220uF/16V 33K
R211
1K
R216 10K
STANDBY Q27
2
8050,DIP
R219
+ CE69
22K 22uF/16V
U11
AM8563
5 4
SDA VSS
AUX_RIN R144 1K
6 3
SCL INT
7 2
CLK OSCO
Y2
CPU5V 8 1 32.768KHz
VDD OSCI
C66 15pF
AUX_LIN R153 1K
42
41
40
NC
39
NC
38 M C U T P 3 8 R160 100 D V S FM_RIN R161 15K
NC
MCUTP37 R163 100 STANDBY
37
36 MCUTP36 R164 100 MUTE_CPU
35
NC
34 MCUTP34 R167 100 LED_CONTROL
MCUTP33 R168 100 ECO_POWER
33
32 SDA0 R169 33 SDA
SCL0 R170 33 SCL
31
30 MCUTP30 M_CLOSE
MCUTP29 M_OPEN
29
28 MCUTP28 R172 100 CLOSE_SW
M C U T P 2 7 R173 100 O P E N _ S W FM_LIN R174 15K
27
26 MCUTP26 R176 2.2K TRIN
25
24 MCUTP24 R177 2.2K USB_ON
MCUTP23 R179 100 DVD_STB
23
22 MCUTP22 R180 100 DVD_CLK
R183 100 DVD_DATA DVD_RPT R184 1K
R185 4.7K DVD_ON
R186 10K CPU5V
DVD_LPT R192 1K
TP21 TP22 TP23 TP24 TP25 TP26 TP27 TP29 TP30 TP31
HP_MUTE
C83 C84 C85 C86 C87 C88 C89 C90 C91
220pF 220pF 0.01uF 0.01uF 220pF 220pF 220pF 100pF 100pF
RO
R_OUT
MUTE
R214
R206
0
R247 33
LED D41
1N4148
Q26
R215 10K J16
2
8050,DIP CE68 + R217
100uF/16V
47K
CON2.0-4
11-8
AUX_R
A12V
R148 C65
47K 470pF
C94
1000pF
AUX_L
R154 C67
47K 470pF
FM_R
R166 C70 U13
47K 470pF
PT2314
SO28
FM_L
R178 C73
47K 470pF
+ + + + + + +
DVDR
R187 C80
47K 470pF
DVDL
C95
1000pF
R195 C81
47K 470pF
A12V
R200 10K
R201
220/0.5W
R203 22K CB85 0.1uF
U15 5.1V
D40
CE60 220uF/16V 1 8 CE61 220uF/16V
OUT1 VDD
LO
R209 100K 2 7 CE63 220uF/16V
MUTE OUT2
R210 4.7K CE64 1uF/50V 3 6 CE65 47uF/16V
IN1 BIAS
4 5 CE66 1uF/50V
GND IN2
R213
CE67
Q25 +
2
PT2309
4.7K
2N3904
1uF/16V
R218
47K
AGND
HP_MUTE
1
LO
2
RO
3
AGND
4
C114 C115
1000pF 1000pF
FM5V
FM5V 1
DVD_ON
DVD_ON 1
USB_ON
USB_ON 3
DVD_IR
DVD_IR 3
TRIN
TRIN 3
DVD_LPT
DVD_LPT 6
DVD_RPT
DVD_RPT 6
DVD_CLK
DVD_CLK 3
DVD_STB
DVD_STB 3
DVD_DATA
DVD_DATA 3
MUTE_DVD
MUTE_DVD 6
LED
LED 3
+
L_OUT
4.7K