Sony PFM-50C1 Service Manual page 124

B (1/8) CXA1211M (IC5)
Vcc IN 2 CONT 2 OUT 2
8 7 6 5
VCA 2
VCA 1
1 2 3 4
IN 1 CONT 1 OUT 1 GND
B (1/8) CXA2163Q-T6 (IC2)
38 37 36 35 34 33 32
CLAMP
VCXO fsc TINT
C3-IN 39
MATRIX
CW
APC
PHASE
APC-FIL 40
2
SUB-
CB/CR
COLOR
CVBS3/Y3-IN 41
SW
BASE- 1H
BAND SW DL
ADDRESS 42
2
LPF
C2-IN 43
SW 2 DE-
(C-MUTE)
EMPHASIS
SUB-
2 2
CONTRAST
CVBS2/Y2-IN
44
2
P/N
SECAM BLACK
P/N ID Y DL
DEMO DEMO ADJ
COMB SYS 45
BPF/ SECAM
EQ
BELL
TOF ID
FSC-OUT
46
COLOR
S DOUBLE
AGC
SYSTEM
TRAP
CHROMA
ID
C CHROMA
AFC-FIL 47
CVBS/YC Y
TRAP
SELECT
2 2
C1-IN 48
1 2 3 4 5 6 7
31 30 29 28 27 26 25
CLAMP CLAMP
YS1
OFFSET2 24
MATRIX
(YCBCR2-IN)
3
3
3 23 CR-OUT
2
22 CB-OUT
Y 21 Y-OUT
20 APL-FIL
19 YL-IN
3
18 CBL-IN
SW
17
CRL-IN
V V SYNC
V C/D
SEPA INTEC SEPA
16
SYNC-GND
NOISE
DET
H C/D H VCO AFC YS3
15
(RGB1-IN)
FC BUS
CONTROL
8 9 10 11 12 13 14
B B
B (2/8) LM1881MX (IC207)
COMPOSITE
1
SYNC
V
VA
COMPOSITE V1
2
VIDEO
VB
4
V2
V1
CAPACITOR
6 CHARGE
RESET
CURRENT
V2
B (3/8) M52347FP (IC404)
CLAMP+
TIMING V. POL H. POL
20 19 18
CLAMP
GEN
LOGIC
LOGIC
1 2 3
H. STATE V. STATE CLAMP
SW
7-20 7-20
SUPPLY
REC
8
VOLTAGE
ODD/EVEN
CLR
7
FILED INDEX
Q Q Q
CLK
CLK
VERTICAL
3
Q S
SYNC
Q R
+1
OSC
VCC
BURST GATE/
5 BACK PORCH
CLAMP
CLAMP+ HD– HD+ VD+ V S/S V S/S
OUT V OUT OUT OUT OUT IN
CC
17 16 15 14 13 12 11
EDGE V TIME V. SYNC
SW GATE SEP
SYNC H H V V
SEP SHAPE DET SHAPE DET
4 5 6 7 8 9 10
GREEN GND COMP/H COMP/H V IN V DET V TIME GATE
IN IN DET SW
PFM-50C1/50C1E