Sony TL-HP90 Service Manual page 12

TL-HP90
IC301 HM91652B
22 21 20 19 18 17
OUTPUT
INTERFACE
CIRCUIT
12
16 15
PULSE DECODER &
GENERATOR DATA LATCH
SAVE
MEMORY MEMORY
KERNEL CONTROL CIRCUIT
COLUMN DIVIDER
INTERFACE
CIRCUIT
VDD
1 2 3 4 5 6
14 13
ROW/COLUMN
D/A
PROGRAMMING
CONVERTER
COUNTER
LNB
MEMORY
ROW
INTERFACE
CIRCUIT
OSC
VDD
7 8 9
12
INPUT
INTERFACE
CIRCUIT
10 11