Casio KX-723C, Руководство по обслуживанию и список запасных частей

Страница: 12 / 37

— 10 —
Terminal V o l t a g e P u r p o s e
VCC2 4.3 ~ 4.7 (V) Logic crcuit
VCC4 9.5 ~ 11.0 (V) Display
VEE2 -7.0 ~ -8.0 (V) Display
VEE4 -16.5 ~ -17.9 (V) Display
LINEAR PCB
IC300 generates the tricolor (red, green and blue) from the video signal, and IC400 controls the TFT-LCD
display.
Power Supply
IC300
H filter
SYNC SEP
Trap D.L
ACC
ACC DET
BPF
APC Killer
F/F
Demo-
dulation
L
P
F
Matrix
Contrast INT/EXT
SW
CLAMP
Color control
R Gain
B Gain
Clamp
Bright
AGC AMP
Picture
quality
ADJ.
AGC DET
INV INV
γ
corrector
SWP GEN
COM DRIV
BGP GEN
9
11
8
30
27
6 7 36 32 33 25 24 5 1 20 4 3 2 51 50 44 45 34
46
47
48
41
31
Vref
17 14 18 21 22 23 15 10 16 13 12 28 38 35 37 39
VIDEO
F ADJ
ACC.F
APC.F
Killer.F
VCO
COM.
AMP
FRP2
42
FRP1
Peek
Limitter
γ
1
γ
2
B-SUB-
BRI
40
43
B-SUB-
BRI
44
RGB.
AMP
PAL SW VCO
HD
29
26
BURST
-OUT 19
γ
corrector
γ
corrector
INV
H.F.OUT TRAP SYNC-SEP SYNC-OUT SYNC-IN TIME-CONST
CLAMP
COLOR APL
AGC OUT AGC.FIL
PICTURE
DCDET
R-OUT G-OUT B-OUT
VEE
VCC1
GND
VCC2
VEE
R-V
B-V
IDENT.F
CONT
CHROMA-OUT
EXT-R
EXT-G
EXT-B
SW
R-SUB-CONT
B-SUB-CONT
COM.OUT
BRIGHT