Ds Board - Sony KP-HR53KR Service Manual

1 3
2
A
B
C
D
E
F
G
• DS BOARD WAVEFORMS
1 2
31.5usec
31.5usec
1.4Vp-p (H)
1.8Vp-p (H)
– 119 –
4 5 6
3
1Vp-p (V)
DS
7 8 9
– DS Board –
DS BOARD : IC8502 MC74HC4052FEL
A 10
B 9
INH 6
[ ]
SHADING
< Component Side >
< Conductor Side >
X CH IN/OUT
VDD 3 2 1 0
16 11 15 14 12
TG
TG
TG
TG 13 COMMON X OUT/IN
3 COMMON Y OUT/IN
TG
BINARY
TO
LOGIC
1OF4 TG
LEVEL
DECODER
CONVERSION
WITH
INHIBIT
TG
TG
8 7 1 5 2 4
VSS VEE 0 1 2 3
Y CH IN/OUT
– 120 –