Philips DCD322/12 Service Manual page 26

Display Board -- Circuit Diagram
LCD101
CS 1
CS
2
RD
WR 3
WR
DATA 4
DATA
5
VSS
5V 6
OSCI
7
HT1622(44QFP)
VDD
8
VLCD
9
R101 10
C101
IRQ
C102
10
T1
100u/10V
11
104p
T2
AD1
R120 R119 R118
|<<
open/close >>| play
100 5.1K 10K
SW106 SW105 SW111 SW108
AD2
R121 R122 R123
standby
volume+ source volume-
10K 20K
SW101 SW103 SW104 SW102
100
12-3
REMOTE
S101
R103 47
5V
C104
R126
104
10
C103
IR
47U/6.3V
33 seg12
SEG12
32 seg11
SEG11
31 seg10
SEG10
30 seg9
SEG9
U101 29 seg8
SEG8
28 seg7
SEG7
27 seg6
SEG6
26 seg5
SEG5
25 seg4
SEG4
24 seg3
SEG3
23 seg2
SEG2
R117 R116 R115
DBB mode
20K 33K 56K
SW109 SW110
R124
stop R125
33K
SW107
56K
5V
R110
100
R102
LED
2.2K
R113
47k
5V
LED101
R105 10k
R104 1.2K
Q101
ACC-DET
8550
R112 220k
DATA
R127 220k
WR
CS
R128 220k
12-3
LED102
LED
Q104
8050
CN101
10P/2.0
GND
1
ACC-DET
2
LED
3
5V
4
AD2
5
AD1
6
IR
7
DATA
8
WR
9
CS
10
C106
C108 C107
100 100
100