A (2/4) Board - Sony KP-57XBR10W Service Manual

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Schematic diagrarm Schematic diagram
? A (1/4) board A (2/4)
– 97 –
7 8 9 10 11 12
board /
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A(2/4) BOARD : IC1301, 1305 CXA2019AQ-T4
35 37 36 4 39 5 3
I 2 C BUS
DECORDER
H.SYNC PHASE
IREF SEP DET.
AFC HLOCK
CV/YC
SUB CONT
SECAM
TRAP ON
SUB
CVBS/Y IN 34 TRAP
VIDEO CONT
TRAP
SW
CIN 32
SUB COLOR
ACC
ACC
DET.
TOT ON
TOT
BST AMP
DELAY
COLOR
KILLER
S GND 31
KILLER
SECAM
30 25 29
A(2/4) BOARD : IC1302, 1307 CXA2119M
28 27 26
6dB 6dB 6dB
CLP CLP CLP
1 2 3
• A(2/4) BOARD WAVEFORMS
1 2
500kHz
4.8Vp-p (H)
130mVp-p (H)
4 5
1.5Vp-p (H)
0.7Vp-p (H)
7 8
0.9Vp-p (H)
1.3Vp-p (H)
10 11
0.9Vp-p (H)
1.9Vp-p (H)
13 14
1.4Vp-p (V)
0.6Vp-p (H)
16 17
1.2Vp-p (H) 0.9Vp-p (V)
2 1 16 15 38 40 14 6 7 8
V2 PED U2 PED
Y2 DRIVE
V2 DRIVE U2 DRIVE ABL CENT
32f H
VCO
ABL 9 ABLFILIN
V.SYNC V COUNT
1/32 H.DRIVE
SEP DOWN
Y2 DRIVE 11 Y2 IN
2f H
U2 PED U2 DRIVE 12 U2 IN
C MODE 50/60
V2 PED V2 DRIVE 13 V2 IN
CP IN
10
SHP f0
DELAY SHARPNESS
Y DRIVE U PED V PED
PRE OVER DC TRAN
17 SGND2
AUTO
DELAY SHARPNESS CLAMP Y DRIVE 18 Y OUT
PEDESTAL
NT/PAL U PED 19 U OUT
SUB HUE
V PED 20 V OUT
2f
NT/PAL H
HUE
PAL ID F.F
ID AXIS
COLOR
PHASE DEM CHROMA
DET. AXIS DET.
HUE
COLOR
LPF CHROMA PHASE
DET
VCO SHIFT
SW
4.43/3.58
X'TAL PIN
SW CLAMP NT/PAL
EXT COLOR
28 27 26 33 23 24 22 21
25 24 23 22 21 20 19 18 17 16 15
6dB
0/–6dB
SW
6dB 6dB 6dB
6dB 6dB 6dB
Cr Cb Y
RGB YCbCr
CLP CLP CLP MATRIX CLP CLP CLP
6 13
4 5 7 8 9 10 11 12 14
A(2/4)BOARD : IC1403
MC14053BFEL
3
B1 1 16 VDD
4.4Vp-p (H)
B0 2 15 B. COM
OPEN
6
C1 3 14 A. COM
C. COM 4 13 A1
1.5Vp-p (H)
OPEN
9
C0 5 12 A0
INH 6 11 A
1.9Vp-p (H)
VEE 7 10
B
12
VSS 8 9 C
OPEN
0.6Vp-p (H)
15
1.2Vp-p (H)
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