Sony HCD-CP2A - Main Board

33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
56 49
42
28272120 262524
41
55 54 53 52 51 50 48 47 46 45 44 43
40
39
38
37
36
35
34
33
32
31
30
29
23221918171615
LCD DRIVER
DISPLAY DATA LATCH
COMMAND/DATA REGISTER
SEGMENT
DECODER
OSC
DATA
POINTER
COMMAND
DECODER
WRITE
CONTROL
SERIAL
INTERFACE
LCD TIMING
CONTROL
DATA
MEMORY
BLINKING
DATA
MEMORY
IC VDD S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8
IC
S7
S6
S5
S4
S3
S2
S1
S0
COM3
COM2
COM1
COM0
NC
IC
RESET
VDD
VSS
C/D
BUSY
CS
SI
SCK
VLC3 VLC2 VLC1
SYNC
CL2
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
CL1
IC
GND
OUT1
VCTL
VZ1 VZ2
IN1 IN2
VCC1 VCC2
OUT2
5 6 7 8 9 101 2 3 4
DRIVER OUT
PRE DRIVER
LOGIC
SWITCH
TSD
BIAS
VREF
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
MULTIPLEXER
GAIN AMP
IIC BUS
DECODER &
LATCH
SUPPLY
SDA
CREF
VS
AGND
ROUT
LOUT
SCL DIG GND TREBLE (R) TREBLE (L) MIN (L) MOUT (L) BOUT (L) BIN (L) BOUT (R) BIN (R) MOUT (R) MIN (R) INR
1 2 3 4 5 6
R-IN4 R-IN3
7 8
R-IN2 R-IN1
9 10
MULTIPLEXER
GAIN AMP
L-IN1 L-IN2
11 12
L-IN3 L-IN4
13 14
MUX OUT (L)
15
18
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
INL MUX OUT (R)
161727282930 22 21 20 1926 25 24 23
– MAIN Board –
IC301 TDA7439 IC309 KA3082
IC800 µPD7225GB-3B7