Sony KP-HR432K90 Service Manual page 100

B BOARD : IC3305, 3404 TLC2932IPWR
LOGIC VCO
VDD SELECT OUT FIN-A
1 2 3 4
1/2 DIVIDER
VCO
14 13 12 11
VCO R BIAS VCO VCO
VDD IN GND
B BOARD : IC3413 SN74LV4053ANSR
VDD
16
LOGIC LEVEL
BINARY TO
11
A
CONVERSION
1OF2
DECODERS
WITH
INHIBIT
LOGIC LEVEL
BINARY TO
B 10
CONVERSION
1OF2
DECODERS
WITH
INHIBIT
LOGIC LEVEL
C
9 BINARY TO
CONVERSION
1OF2
DECODERS
WITH
LOGIC LEVEL
6
INH
INHIBIT
CONVERSION
8 7
VEE
VSS
B BOARD : IC3414 M52055P
15 14
16
1
2 3
KP-HR432K90/HR532K90/HR532N90/HW572K90
PFD LOGIC
FIN-B OUT GND
5 6 7
PFD
10 9 8
VCO PFD NC
INHIBIT INHIBIT
IN/OUT
1Z
0Z 1Y 0Y 1X
3 5 1 2 13
13 12
4 5
– 100 –
RM-Y909K RM-Y909K
0X
12
TG
X-
14
COMMON
TG
TG
Y-
15
COMMON
TG
TG
Z-
4
COMMON
TG
11 10
6 7
RM-Y908 RM-Y909K
OUT/IN
9
8