Philips MCD298 Service Manual page 26

CIRCUIT DIAGRAM - MAIN BOARD - MCU PART
R101 1K
TDA7648 CLK
7 CL
7 CL
R102
TDA7468 DATA 1K
7 DA
7 DA
DVD CTL
DV CT
DV CT
TUNEF CTL
TU CTL
TU CTL
AMUTE
AMUTE
AMUTE
POWER CTL
PO CTL
PO CTL
MCU+5V
MCU+5V
MCU+5V
GND
ECO CTL
ECO CTL
ECO
AMP CLSD
CLSD1
CLSD1
R197 1K
TU MUX
MUX
R198 1K
TU DATA
TU DA
TU CLK R199 1K
TU CL
TU STEREO
TU ST1
TU ST
R100 1K
RCLK
RDS DA
GND
SWA
SWA
SWA
SWB
SWB
SWB
GND
DVD-CS
VSTB
DVD-REM
IR
DVD-CLK
VSCK
DVD-DATA
VSDA
M-OP-R
M OP R
M-CL-R
M CL R
CL-SW-R
CL SW R
OP-SW-R
OP SW R
OL-SW-L
OL SW L
OP-SW-L
OP SW L
M-CL-L
M CL L
M-OP-L
M OP L
LED VCC
LED VCC
LED GND
GND
GND
USBP
USBP
USBM
USBM
GND
GND
USB GND
8 - 8
D109
4148
Q113
8550
C180 22
22
R118
C179
22
XL102
32.768
ZD104 2.2V
R108 1K
R103 1K
R109 1K
R110 1K
R104
1K
R105 1K R111 1K
R106 1K R112 1K
R107 1K R113 1K
25
RDS-CLK
26
RDS-DATA
27
VOL-CLK
28
DVD-CS
29
M-CL-R
30
M-OP-R
31
M-CL-L
32
M-OP-L
33
DVD-REM
34
DVD-CLK
35
DVD-DATA
36
CL-R
37
OP-R
38
CL-L
39
OP-L
TU ST1 40
ST-LED
R125
75
MCU+5V
C178
220U/16V
104
C181
12
12
80
NC
79
TEP-OET
78
CLASSD
77
NC
76
NC
75
NC
74
NC
73
LCD-CS
72
IC102 LCD-RD
71
LCD-WR
70
LCD-DATA
69
P0
68
P1
67
P2
66
P3
65
P4
GY365
A0
C188
8 - 8
C184 22
RCLK
C190 102
USB 5V
MCU+5V
R127 R128
10K 10K
USB CL
TEP1
CLSD1
C191
560
C186
104
CN106
MCU+5V
19
GND
18
IR
17
CS
16
RD
15
WR
14
DATA
13
GND
12
USB LED
11
LED DIM1
10
LED DIM2
9
KEY0
8
KEY1
7
LED VCC
6
5
LED GND
4
USBP
3
USBM
2
GND
1
USB GND