Video (2) Block Diagram - Sony SLV-L56AR Service Manual

3-3. VIDEO (2) BLOCK DIAGRAM

IC202 5 REC/PB IC202 8 REC/PB
360mVp-p(H) REC:250mVp-p(H)
PB:300mVp-p(H)
MA-323
BOARD (2/6) IC202
1H CCD DELAY LINE
(SEE PAGE 4-11, 17, 23)
S/H 1
8 CCD
5 CCD S/H 4
CLK
3 6
IC201 4 PB
840mVp-p(H)
PB RF
L204 L213
C218 C265
10MHz 70kHz
Q209 TRAP TRAP
+
REC RF
L211
VIDEO(1) Q211
C262
REC 1.1MHz
SEE PAGE
MODE
TRAP
SWITCH
3-4
COMP SYNC
COMP SYNC
C ROT
IC201 6 REC
LP.EP
Q202 Q203
REC REC
MODE
MODE
SWITCH SWITCH
NTSC
400mVp-p(H)
Q207
VSDATA
VCLK
IC201 7 PB
840mVp-p(H)
IC201 !∞ REC
370mVp-p(H)
05
IC202 1 REC/PB IC202 4 REC/PB IC201 &¶ REC/PB
REC:470mVp-p(H)
REC:400mVp-p(H) 560mVp-p(H)
PB:500mVp-p(H)
PB:260mVp-p(H)
Q201
EMPH
SWITCH
IC201
Y/C PROCESS
78 77 75 74
SW1
Main
ME.SECAM S-Det
De-emph
main Emph
fo/Dev Adj
Carriar Offset
W.C/DC
S-DET
4
FM MOD FBC/ALC
Sub LPF
S
P.
SW13 G.
FM AGC SDL
EQ
DLIM DEMO
6 EQ
N
P DO Edge
DET
Det Dely
629
LAGREAD
TRAP DOC
7 SW14
LPF
R
SW15
1MHPF AMP 7MLPF
P
9
2M LPF
R
+
Main
Conv1
SW19 P P
1.3M LPF
11
SW18
Delay 150n
R
1.3M Main
SW20
13
LPF Conv2
P
DELAY
HiFi
THROUGH TRAP
P
VCA
15
R SW12
+
LEVEL Det1
LEVEL Det2
2.2M
16
LPF
ME
PB/REC
SW30/25
SECAM Disori
17 +
DET
Senal Cont
18
B.Em
Intertase
4phase Gen
C.K
1/2
Clock
2fl VCO
NTSC/PAL
19 CR Det
N.P CONT OUT
2fsc
24 26 28
X201
3.579545MHz
IC201 @§ REC/PB
1.1Vp-p(3.57945MHz)
3-5
IC201 &¡ REC/PB IC201 ^º/ REC
440mVp-p(H) 1Vp-p(H)
Q206
EMPH
SWITCH
62 71 70 68 66 65 63 61
Clamp
Clamp YNR
ATT
LPF
(–10dB)
DO
Pictur DO/REC
SW7
Cont SW6
ATT
SW5
0.4Vpp REC (–10dB)
P R
AGC Det
SSB
PBALC
Video AGC 1.0Vpp
6dB AMP
SW11 P
N.C
0.5Vpp P R
Y.SQUELCH
D.E
R
Sync Sep
SW8
0.5Vpp
NL NL SSB
Emph De.Emph
Feed Back C.SQUELCH
CLEAR
Clamp
SYNC
Y.LPF (NTSC/PAL)
Video ALC
SW10 6dB AMP
P R
R ME.SECAM REC
C.OUT
R
Pulse Color
SW21
Gen Killer
R
SW17
HPF
N P
ACC
B.De
SW16
BPF emph
HPF
fh TRAP Killer
DET OUT
NP conv
APC
SW1
REC
DOWN
Conv
IC201 %º PB
1/2
phase SW
REC
REC PB Color Killer
AFC APC APC ID Det
640mVp-p(H)
Xtal
VCO/OSC
30 22
Q210
X202 SWITCH
3.582056MHz
IC201 #º REC/PB
1.1Vp-p(3.582056MHz)
L86HF
IC203
VIDEO INPUT SELECT
CN423
3
5
PAL-N
7 L2 VIDEO
1
2
SERVO/SYSTEM
4
CONTROL
AV IN SEL1 SEE PAGE
AV IN SEL2 3-7
PICT CONT
JS201
TU VIDEO
L56/L76HF
MOD V
IC201 %¶ REC/PB
IC161 (1/2)
SYSTEM CONTROL
60
(ON SCREEN DESPLAY) Q901
2.2Vp-p(H)
CV.OUT 45 BUFFER
Q400
VIDEO
CV.IN
57 43
BUFFER
Q402
QVD
BLUE BACK
56 64 BLUE BACK 4fsc OUT 53
SWITCH
X401
PAL-N
17.734475MHz
18 PAL-N
55
4fsc IN 52
IC161 %™ REC/PB
COMP
SYNC
Q104
53
IC201 %£ REC/PB
NTSC
50
Q204 Q205
TRAP TRAP 2.4Vp-p(17.734475MHz)
C-KILL
49
5Vp-p(H)
NTSC 3.58
PICT CONT
PICT CONT
SERVO/SYSTEM
QVD
QVD
CONTROL
COMP SYNC
COMP SYNC
SEE PAGE
VSDATA
VSDATA (SSB)
3-7
VCLK
VCLK (SSB)
LP.EP
LP.EP
C-KILL
C KILLER DET MODE CONTROL
SEE PAGE
PAL-N
3-14
PAL-N
AUDIO
PAL-N
SEE PAGE
LP.EP
LP.EP
3-9
3-6
SLV-L56/L76HF/L86HF
J481
CN407
LINE-2
5
IN
LINE 2 VIDEO
VIDEO
MF-312
BOARD (1/3)
(SEE PAGE 4-34)
TUNER
SEE PAGE
3-11
CNJ901
LINE-1
VIDEO
IN
LINE
VIDEO
OUT
IC161 $£,$∞ REC/PB
2Vp-p(H)