Sony HCD-GPX33 Service Manual page 51

IC1501, IC1502 TC62D723FNG (MB BOARD (9/9)) (GPX88)
IC2100 TC62D723FNG (STR BOARD)
GND 1
Error detection result
SIN 2
data register
SCK 3
TRANS 4
/OUT0 5
/OUT1 6
countor
/OUT2 7
/OUT3 8
/OUT4 9
/OUT5 10
POD
/OUT6 11
circuit
/OUT7 12
/OUT8 13
/OUT9 14
/OUT10 15
/OUT11 16
/OUT12 17
Command
control
/OUT13 18 circuit
/OUT14 19
20 21
IC1600 SN74LV4052APWR (MB BOARD (1/9))
2Y0 1 16
15
1Y2
2Y2 2
14 1Y1
2-COM 3
13
2Y3 4
12 1Y0
2Y1 5
INH 6 11 1Y3
GND 7
10
GND 8 9
16
Output open/short detection circuit
16
Constant current output circuit
Output delay circuit
16
0-bit
Output ON/OFF setting data register
PWM
16 16
PWM data registor
16-bit 16-bit
PWM Data PWM Data
for OUT0 for OUT1
16 16
16-bit 16-bit
16 16
PWM Data PWM Data
(for synchronous)
for OUT0 for OUT1
16 16
16-bit 16-bit
PWM Data PWM Data
16
for OUT0 for OUT1
16 16
Data transfer control circuit
16
0-bit
16-bit shift registor
VCC
1-COM
A
B
HCD-GPX33/GPX55/GPX77/GPX88
POR
circuit
Reference
15-bit
TSD
circuit
16
16-bit
Registor 3
PWM Data
(for output)
for OUT15
16-bit x 2
16
State setting
16-bit
Registor 2
16
PWM Data
for OUT15
16
16-bit
Registor 1
PWM Data
for OUT15
16
16
15-bit
F/F
25 GND
24 VDD
voltage
23 REXT
8-bit
DAC
8
register
16
SOUT
selection
22 SOUT
circuit
51