Sony HCD-GRX9000 Service Manual page 53

IC1701 IR3R42 (East European, CIS models)
20 19 18 17
1/2 OSC
1/2
AMP
PHASE
WAVEFORM
SEP.
AMP
REGULATOR
GATE
2 3
1
16 15 14 13
AMP
PHASE
COMPARATOR
PHASE
COMPARATOR 2
SAMPLE
MUTE
& HOLD
BUFFER
5 6 7 8 9
4
IC1702 µPD4053BC (East European, CIS models)
12 11
TRIGGER
10
– 77 –
1
B1
B0 2
OPEN
C1 3
C.COM 4
OPEN
5
CO
6
INH
7
VEE
OPEN
VSS 8
VDD
16
B.COM
15
14 A.COM
13
A1
A0
12
11
A
10 B
9 C