B Board: Ic3305, 3404 Tlc2932Ipwr; B Board: Ic3413 Sn74Lv4053Ansr; B Board: Ic3414 M52055P - Sony KP-46WT500 Service Manual

B BOARD: IC3305, 3404 TLC2932IPWR

B BOARD: IC3413 SN74LV4053ANSR

LOGIC LEVEL
11
A
CONVERSION
LOGIC LEVEL
10
B
CONVERSION
LOGIC LEVEL
C
9
CONVERSION
LOGIC LEVEL
6
INH
CONVERSION
8
VSS

B BOARD: IC3414 M52055P

16
1
LOGIC VCO
VDD SELECT OUT
1 2 3
1/2 DIVIDER
14 13 12
VCO R BIAS VCO
VDD IN
VDD 1Z
3
16
BINARY TO
1OF2
DECODERS
WITH
INHIBIT
BINARY TO
1OF2
DECODERS
WITH
INHIBIT
BINARY TO
1OF2
DECODERS
WITH
INHIBIT
7
VEE
15 14 13
2 3 4
PFD LOGIC
FIN-A FIN-B OUT GND
4 5 6 7
PFD
VCO
11 10 9 8
VCO VCO PFD NC
GND INHIBIT INHIBIT
IN/OUT
0Z 1Y 0Y 1X 0X
5 1 2 13 12
TG
TG
TG
TG
TG
TG
12 11
5 6
— 81 —
X-
14
COMMON
Y-
15
OUT/IN
COMMON
Z-
4
COMMON
10
9
8
7
KP-46WT500