Video Block Diagram - Sony SLV-CA30 Service Manual

SLV-CA30/GA35/GA55/GA65/GF85/SA33/SP70/SP100

3-2. VIDEO BLOCK DIAGRAM

IC201ug REC/PB
520mVp-p (4.43MHz) (PAL)
MA-366 BOARD (1/4)
(SEE PAGE 4-9 to 4-15)
AFC FILTER SWITCH
SERVO/SYSTEM
V CLOCK
CONTROL
V DATA
(SEE PAGE 3-5)
IC201ul PB
IC201ul PB
320mVp-p (H) (PAL)
580mVp-p (H) (NTSC)
450mVp-p (H) (PAL)
780mVp-p (H) (NTSC)
78
CN202
CHECK
PB RF
BUFF
2 79
Q201
HEAD SW1
V SWP
3 81 LOGIC
HEAD SW2
SERVO/SYSTEM RF SWP
CONTROL
V ENV 84 ENV DET
(SEE PAGE 3-5)
HPF
CN201
SP
SP CH2
+
CH2
2 86
SP2
–
+
SP COM
SP2
–
1 87
L-
CH2
SW30
SP SECAM
SP COM
+
CH1
5 88
SP1 CH1
– SP
+
SP CH1 – SP1
6 SW29
89
SP
REC
IC201ih, ij, ik, il REC VCA
+ MUTE
91
EP2
–
CH2
+
SW31
– EP2
CH1
92
P
1.8Vp-p (H)
+
93 R
EP1
–
+
EP1
–
94
97
IC201 (1/2)
VIDEO REC/PB AMP,
Y/C PROCESSOR
05
IC201y; REC/PB
IC201ua REC/PB
340mVp-p (H) (PAL)
510mVp-p (3.58MHz) (NTSC)
Q202
EXCEPT CA30/GA35: PL, TW/GA55PL/
GF85: PL, TW/SA33
EXCEPT GA35:ME,PS,SG,TH
X201 X202
4.43MHz 3.58MHz
76 75 73 71 69 64 63 62
LC VCO
SERIAL CONT
X-TAL CR DET
2FSC
VCO/OSC 2FSC INTERFACE
VCO
PB/REC REC REC PB COLOR KILLER
DISCRI AFC AFC APC IO DET
DL
1/2
DELAY
1/2
DOWN
2EL VCO
CONV
PHASE VCO
P
SW20
CTL TRAP
ACC
HPF
R FH TRAP
SW28
R
P
2M LPF
SEP
SW19
SW18
4PHASE GEN
HPF
L-SECAM
TRAP
COMP
LPF
SW27
MIX
C.K
LEVEL ADJ
SW7
SQPB
629 P MMS
FM AGC SW8
G
TRAP EQ DL
EQ
SQPB
DO
1MHPF DLIM
DET DELAY
7MHPF DEMO N.L
EMPH DE. EMPH
L.P.F.
SUB LPF
FBC/ALC
MAIN
FM MOD
DE-EMPH
MAIN EMPH
FO/EEV ADJ
P
CARRIER OFFSET
S-DET
W.C/DC
SW9
Y-LPF
R
SW11
16 17
NTSC PAL
SWITCH SWITCH
L372,C382,
Q204 Q203
R381,Q378
L.P.F.
EXCEPT CA30/GA35: PL, TW/GA55PL/
GF85: PL, TW/SA33
SHARPNESS
3-3
IC201y; REC/PB IC201tk REC/PB IC201tk REC/PB
REC:300mVp-p (H) (NTSC) 500mVp-p (H) (PAL) 440mVp-p (H) (NTSC)
PB:290mVp-p (H) (NTSC)
BUFF
Q205
60 58 57 55 54 52
VCA
6dB AMP
CCD NTSC/PAL
LPF N-P CONT
SW26 OUT
P
R C-SQUELCH
6dB AMP
SW25
SYNC. SEP
R
CLEAR
SYNC
CLPF
C.K
SW24
CLPF SQUELCH
P R
N P
FEED BACK
CLAMP
MAIN MAIN
CONV1 CONV2
VIDEO ALC
B.D
SW22
SW23
P
P R R
P
CLOCK
B.E BPF DRIVER
R
SW21
PULSE
GEN
C-CCD Y-CCD
P
PICTURE
CONT.
MODE
SW17
R
CONTROL
CCD
EDGE
R
SW13
DE
N.L
N.C
P
VIDEO AGC
YNR
SW14
SW16
DO
R
DO
REC
SW10
CLAMP CLAMP
L.P.F.
P
18 19 21 23 24 26
+
+
BUFF
Q262
IC201qk, ql REC/PB IC201qk, ql REC/PB
SHARPNESS
CONT CONT
Q261 Q263
REC:400mVp-p (H) (PAL) REC:510mVp-p (H) (NTSC)
PB:580mVp-p (H) (PAL) PB:560mVp-p (H) (NTSC)
CHROMA
CONTROLLER
Q290-293
IC201t; REC/PB
5.0Vp-p (H)
51
50
EXCEPT CA30/GA35: PL, TW/
BUFF
Q264, 267 GA55PL/GF85: PL, TW/SA33
IC101 (1/3)
OSD
43 OSD
46
52
2fsc
44 AMP 53
Q266
42
39
37
35
IC201ea REC/PB
1.1Vp-p (H) (PAL)
IC201ea REC/PB
1.1Vp-p (H) (NTSC)
ATT
31
(-10dB)
ATT IC201wa REC/PB
(-10dB)
CA30/GA35/SA33
ATT
(-10dB)
REC:320mVp-p (H) (PAL)
PB:430mVp-p (H) (PAL)
IC201wh REC/PB
IC201wd REC/PB IC201wd REC/PB
REC:500mVp-p (H) (PAL)
PB:600mVp-p (H) (PAL)
REC:390mVp-p (H) (PAL) REC:480mVp-p (H) (NTSC)
PB:500mVp-p (H) (PAL) PB:550mVp-p (H) (NTSC)
SHARP 2
SHARP 1
REC P
SHARPNESS
PAL
NTSC
MESECAM
3-4
CHROMA 4
CHROMA 3
CHROMA 2
CHROMA 1
BURST GATE
GENERATOR
Q294-299
SERVO/SYSTEM
CONTROL
(SEE PAGE 3-5)
KILL
QVD
C SYNC
AUDIO
AUDIO
(SEE PAGE 3-8)
MODE CONTROL
TV/VTR
(SEE PAGE 3-9)
SWITCH
Q265
RFU901
4 TV/VTR IN
2
AUDIO
55
OUT
BUFF
45 1 VIDEO
Q901
IC101rd, rg REC/PB
2.2Vp-p (H) (PAL)
IC101rd, rg REC/PB
2.2Vp-p (H) (NTSC)
J901
LINE-1
VIDEO
OUT
LINE-1
VIDEO
IN
IC201wa REC/PB
EXCEPT CA30/GA35/SA33
REC:400mVp-p (H) (NTSC)
PB:450mVp-p (H) (NTSC)
IC201wh REC/PB
REC:620mVp-p (H) (NTSC)
PB:690mVp-p (H) (NTSC)
SERVO/SYSTEM
CONTROL
(SEE PAGE 3-5)