Sony HBD-DZ170 Service Manual page 60

HBD-DZ170/DZ171/DZ175/DZ310/DZ510/DZ610/DZ810
IC4004 M62429FP-TP (IO Board)
VR2
VR1
IC4003 MC14052BDR2 (IO Board)
1 2
Y0 Y2
60
VIN2 VOUT2
8 7
VOL AMP 2
REF AMP
VOL AMP 1
1 2
VIN1 VOUT1
VDD X2 X1 X
16 15 14 13
3 4 5
Y Y3 Y1
VCC CLK
6 5
LOGIC
Vref
CONTROL
3 4
GND DATA
X0 X3
12 11
BINARY TO 1 OF 4
DECODER WITH INHIBIT
A B
10 9
LEVEL
CONVERTER
6 7 8
INH VEE VSS