Casio QV-10B Service Manual & Parts List page 12

LINEAR PCB
IC300 generates the tricolor (red, green and blue) from the video signal, and IC400 controls
the TFT-LCD display.
Power Supply
IC300
18
H filter
VIDEO
10 Trap
F ADJ
12
ACC
ACC.F
9
ACC DET
APC.F
27
APC
24
Killer.F
26
VCO
VCO
TINT
25
Terminal Voltage
VCC2 4.3 ~ 4.7 (V)
VCC4 9.5 ~ 11.0 (V)
VEE2 -7.0 ~ -8.0 (V)
VEE4 -16.5 ~ -17.9 (V) Display
15 19 20 21 22 16 11 17 14 13 23
SYNC SEP
BGP GEN
D.L CLAMP
BPF Color control
Killer
L
P
Demodulation
F
VEE VCC1 GND VCC2 VEE
7 6 29 33
Purpose
Logic circuit
Display
Display
Vref
AGC DET
AGC AMP
Picture
quality
ADJ.
Matrix INT/EXT
Contrast SW
31 2 5 4 3 1 48
— 10 —
35 32 34
INV INV INV
γ corrector
γ corrector
γ corrector
SWP GEN
R Gain
Clamp
Bright
B Gain
COM DRIV
47 43 30
36
42
RGB.
AMP
38
41
44
γ 2
45
γ 1
46
RGB.
INV
40
39
FRP
28
COM.
AMP