Sony SCD-XE800, Service Manual

Page: 29 / 46

SCD-XE800
29
– DISPLAY Board –
IC802 ML9208-03MBZ03B
64 VDD
56 VFL
57 GND
1 P1
2 P2
63 DA
62 CP
61 CS
55 COM16
59 OSC1
58 OSC0
54 COM15
53 COM14
52 COM13
51 COM12
50 COM11
49 COM10
48 COM9
47 COM8
46 COM7
45 COM6
44 COM5
43 COM4
42 COM3
41 COM2
40 COM1
39
38
37
36
35
34
33 SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
60 RESET
8 BIT SHIFT
REGISTER
COMMAND
DECODER
PORT
DRIVER
3 AD2
4 AD1
AD
DRIVER
5 SEG1
6 SEG2
7 SEG3
8 SEG4
9 SEG5
10 SEG6
11 SEG7
12 SEG8
13 SEG9
14 SEG10
15 SEG11
16 SEG12
17 SEG13
18 SEG14
19 SEG15
20 SEG16
21 SEG17
22 SEG18
23 SEG19
24 SEG20
25 SEG21
26 SEG22
27 SEG23
28 SEG24
29 SEG25
30 SEG26
31 SEG27
32 SEG28
SEGMENT
DRIVER
ADRAM
16W
!
2B
CGRAM
248W
!
35B
DCRAM
16W
!
8B
ADDRESS
SELECTOR
READ
ADDRESS
COUNTER
WRITE
ADDRESS
COUNTER
CGRAM
8W
!
35B
CONTROL
CIRCUIT
TIMING
GENERATOR1
OSCILLATOR
TIMING
GENERATOR2
DIGIT
CONTROL
DUTY
CONTROL
GRID
DRIVER
IC803 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
– POWER Board –
IC52, 103 BA00BC0WT-V5
VCC
VCC
2
GND
3
C
5
OUT
4
CTL
1
–
+
VREF
DRIVER
OCP TSD OVP