Sony PLM-A55E Service Manual page 53

IC401 CXA1854AR-T6 (RG-46P Board)
48 47
+5V
REG.
REGV
S-Y IN 49
CLAMP INT/EXT
50
R-Y IN
51
C OUT
52
HUE/RST RESET
53
COLOP
APC
PS
54
XVXO VXO HUE
R-BRT 55
COLOR
B-BRT 56 CONT
57
RGB-GAIN
58
GAMMA 2
GAMMA 1 59
BPF
BRIGHT 60
61
CONTRAST
ACC AMP
C IN 62
63
R-GAIN
SYNC SEP
B-GAIN 64
H FILTER CLAMP
1 2
46 45 44 43 42
+12V
buf
1
V 2
2
CC
PAL ID
DEMOD
PAL SW
XCLR
LPF
MATRIX
CONTRAST
ACC DET
KILLER
R G B
SUB
CONTRAST
FILT CAL
EXT SW
PIC CONT
AGC DET AGC
DL 2
TRAP DL 1
MODE
SELECT
GND 1
3 4 5 6 7
41 40 39 38 37
GND 2
buf buf
V. SYNC SEP
V. POS
RESET GEN
V. CTL
POL SW
COUNTER
V. CTL
DECODER
SUB
BRIGHT
AUX. V
COUNTER
RGB GAIN
GAMMA
FIELD & LINE
BRIGHT
FRP
SH1
SH2
S/H
SH3
SH4
HALF.H
KILLER
H.SYNC DET
H.SKEW DET
PLL PHASE
COMP
8 9 10 11 12
– 79 –
34
36 35 33
+5V
32
31
30
V. POS
EOP
COUNTER
29
BGP
CLP
H. CTL
BLK
28
DECODER
DECODER
H.POS
27
PLL
COUNTER
COUNTER
DECODER &
26
H.TIMING
PULSE GEN
25
CTL
PAL PULSE
ELIM &
24
MODE SEL
23
22
PULSE GEN
V.TIMING
21
20
MASTER SUB
CK CK
TEST
19
S/R
1/7
18
17
V
SS
13 14 15 16
TEST 5
VD
HD
HCK 1
HCK 2
HST 1
TEST 4
CLR
EN
VCK 1
VCK 2
VST 1
TEST 3
SLCK
TEST 0
TEST 1