Sony KP-HR53KR Service Manual page 70

1 2
A
B
C
D
E
F
BM BOARD : IC002, 008, 011 TLC2932IPW
LOGIC VCO PFD LOGIC
SELECT FIN-A FIN-B
VDD OUT OUT GND
G
1 2 3 4 5 6 7
1/2 DIVIDER
H
PFD
VCO
I
14 13 12 11 10 9 8
VCO R BIAS VCO VCO VCO PFD NC
VDD IN GND INHIBIT INHIBIT
J
• BM BOARD WAVEFORMS
1 2 K
1.3Vp-p (H) 1.3Vp-p (H)
3 4
L
1.3Vp-p (H) 4.3Vp-p (H)
5 6
M
4.6Vp-p (H)
5Vp-p (H)
7 8
N
1.1Vp-p (H)
1.1Vp-p (H)
9 10
O
5Vp-p (H)
1.1Vp-p (H)
P
Schematic diagram Schematic diagram
BM
? BA board
– 101 –
3 4 5 6 7 8
board /
– 102 –
10
9 11 12 13 14
– 103 –
15 16 17 18 19 20
22
21 23 24 25
– 104 –