Video Block Diagram - Sony SLV-ED15 Service Manual

SLV-ED15/ED25/ED33/ED39/ED55/ED66/ED85/ED88/ED89/ED95/EZ11/EZ22/EZ44/EZ66/EZ77

3-2. VIDEO BLOCK DIAGRAM

MA-377 BOARD (1/5)
(SEE PAGE 4-9,13,23)
IC201uk PB
640mVp-p (H)
SERVO/SYSTEM
IC201ul PB
CONTROL
(SEE PAGE 3-5)
AUDIO
AF ENV
720mVp-p (H) (SEE PAGE 3-7)
ED85/ED88/ED89/
ED95/EZ66/EZ77
CN202
HF ADJ
1
PB RF
CHECK 2
RF SWP
3
IC201iaREC/PB
5.3Vp-p (H)
ED85/ED88/ED89/ED95/
EZ66/EZ77
CN201 (1/2)
SP CH2 F
4
SP
CH2
SP COM
5
SP
CH1
SP CH1 F
6
LP CH2 F
1
LP
CH2
LP COM
2
LP
CH1
LP CH1 F
3
CN204
SP CH2 F
4
SP
CH2
SP COM
5
SP
CH1
SP CH1 F
6
LP CH2 F
1
LP
CH2
LP COM
2
LP
CH1
LP CH1 F
3
ED55/ED66/ EXCEPT ED85/ED88/ED89/ED95/
EZ44 EZ66/EZ77
05
ED39/ED89
SE-103 BOARD
(SEE PAGE 4-28)
IC951
SECAM PROCESSOR
27 26 21 20
SECAM
DET
to MUTE 4.43MHz
OSC
SYNC GATE GEN to SYNC GATE
REC PB
/V-SEP
Fo CA VA
ADJ
4.43MHz
BPF-A
BGP
to PB/AGC
GEN
to REC KILLER
MODE
to MUTE
CTL
2.2MHz 4.43MHz
X2 X2
BPF BPF-B
CONTROL
LOGIC
Filter Adj
1.1MHz
AFC
BPF
CA VA
Fo
4.43MHz ADJ
REC
VCO
PB REC MUTE
1.1MHz
OSC
B
B
1 2 8 9 11
SW5V
Q953
6 2 3
1
1 6 2 3
R213
Q201
BUFFER
SECON
VCLK(IIC)
VDAT(IIC)
IC201ug REC/PB
JS102
RF ENV
RF SWP
Q202
AFC FILTER
SWITCH
496mVp-p (4.43MHz)(PAL)
IC201ua REC/PB
X201
4.433619MHz EXCEPT EZ11/EZ22/
EZ44/EZ66
X202
3.579693MHz
608mVp-p
(3.58MHz)(NTSC)
69
79 78 84 76 75 73 71 64
LC VCO
X-tal CR Det
2fsc 2fsVCO
81 VCO/OSC
ENV DET fH PLL
PB/REC REC
REC PB Color Killer
Discri AFC
APC APC
ID Det
Head SW1
Logic
Head SW2
1/2
DOWN
1/2
Conv
2EL VCO
2EL VCO
P ctl trap
SW20
fh HPF
86 PB
ACC
R
P
SW28 R
SP
SW30 2M LPF
87
REC
SEP
CH2
SW18
HPF
SP
88 TRAP
REC L-SECAM
L- COMP SW19
CH1
SECAM
LPF
PB PB
89 SP SW27 MIX
LEVEL
SW29
ADJ
SP
VCA
91 PB
REC
MUTE
P
LP
92 SQPB
SW7
REC 629 P SQPB
FM AGC
EQ Delay SW8
TRAP
R
LP
93
REC SQPB
CH2
1MHPF
94 PB
SW31 CH1
IC201ih,il REC 7MLPF
LPF
Sub LPF
FM MOD
De-emph
40mVp-p (H)
Main Emph
97 to/Dev Adj
Carrier Offset
W.C/DC
S-DET
16
IC201
(1/2)
VIDEO INPUT SELECT
Q203
Y/C PROCESS
CCD DELAY
PAL/NTSC PAL/NTSC
Q206
SWITCH SWITCH
INVERTER
IC201qk,ql REC/PB
REC:472mVp-p (H)
PB :504mVp-p (H)
3-3
Q954
BUFFER
17 16 15
REC
B
/PB
REC
PB
MUTE
PB
SYNC
GATE
REC
LIM
PB
REC SYNC 1
GATE
4
PB
AGC AGC
AMP DET IC291qk PB
13
1.9Vp-p (H)
CN951
IC291w; PB IC2914 PB
9 5
152mVp-p (H) 2.2Vp-p (H)
9 5
CN203 ED66/ED88/ED89/ED95/EZ77
IC291
ARC
CLK(RR)
DATA(RR)
9
CLK
IC2914,qkREC
10 Q172
DATA
VIDEO
20 4
C IN V OUT
BUFFER
18 Y IN
2.1Vp-p (H)
EXCEPT ED66/
R212 ED88/ED89/
ED95/EZ77
C.KILLER DET
EXCEPT ED66/ED88/
ED89/ED95/EZ77
JS291
QVD
62 60 58 54 52
63 57 55 51
Serial Cont NP.
VCA
Interface cont
COMPSYNC
6dB AMP
50
SW26 CCD
6dB AMP
LPF
P R LEVEL Det1
C. SQUELCH Sync. Sep
LEVEL Det2
SW25
DL R
CLEAR
C.K
SYNC
Delay CLPF
SW24 White
limiter
P
R
N --> P SQUELCH
Main Main
Conv1 Conv2 Feed Back
Clamp
B.D
4phase
SW23 SW22
P Video ALC
Gen
R R
P
46
BPF
44
C.K BE
Clock
SW21
Driver
Pulse
Gen 42
G
EQ
DO Edge
DLIM
Det Delay
P 39
SW17
Picture
Cont.
DEMO
R
Mode
37
Control
R
N.L N.L
REC
Emph De.Emph DF
N.C AGC DET
SW13 P
35
PB ALC
Main
FBC/ALC
YNR
CCD
SW14
SW9 P R
DO/ SW16
SW10 REC DO
VIDEO AGC
ATT
Y-PLF
(-10DB)
BAND
P
R GAP ATT
(-10DB) ATT
SW11 31
CLAMP
LPF (-10DB)
CLAMP
17 18 21 23 24 30
19 6 26 28
Q211
Q204 BUFFER
Q210
REC TRAP
SWITCH APC PWM
MESECAM DET
NA PB
IC201whREC/PB
IC201wa REC/PB IC201wd REC/PB
REC:512mVp-p (H)
392mVp-p (H) REC:472mVp-p (H)
PB :584mVp-p (H)
PB :504mVp-p (H)
IC201y; REC/PB IC201tk REC/PB
320mVp-p (H) REC:512mVp-p (H)
PB :584mVp-p (H)
SERVO/SYSTEM
CONTROL
(SEE PAGE 3-5)
SERVO/SYSTEM
OSD MIX
CONTROL
(SEE PAGE 3-5)
EXCEPT EZ11/EZ22/EZ44/EZ66/EZ77
TUNER
TU VIDEO
(SEE PAGE 3-9)
Q175
MOD V
OSD
MIX
Q174
BLUE
BACK SWITCH
Q901,904
BUFFER
IC101
(1/2)
SYSTEM CONTROL EXCEPT ED85/ED88/
OSD
ED89/ED95/EZ66/EZ77
Q902,903
BLUE BACK JS908
64
VIDEO 45 BUFFER
OUT
IC101rgREC/PB
ED95MI
Q151
VIDEO
43
IN
4 fsc IN 52 OSC
2.2Vp-p (H)
JS151
X151
NTSC
EXCEPT
17.734475MHz
ED95MI
OSD SELECT 78
X152
Q171 14.31818MHz
INVERTER OSC
Q152 ED95MI
PAL
53
18 PAL 4fc OUT
IC101rdREC/PB
IC201t; REC/PB
2.2Vp-p (H)
4.6Vp-p (H)
ED85/ED88/ED89/
JS900
ED95/EZ66/EZ77
SECAM DET ED39/ED89
SDT
C.KILLER DET
ACK MODE CONTROL
MESECAM DET
(SEE PAGE 3-12)
MESEC
QVD
QVD
COMP SYNC
CSYNC
SERVO/SYSTEM
APC PWM
CONTROL
APC
(SEE PAGE 3-5)
INS
JS203
ED88/ED89/ED95:MN,TH/EZ77
EXCEPT ED85/ED88/
ED89/ED95/EZ66/EZ77
IC201e;REC/PB
ED88/ED89/
ED95:MN,TH/EZ77
1.1Vp-p (H)
IC202
VIDEO INPUT
SELECT
CNJ531
(1/2)
3 CN531 (1/2)
7
7 FJ-26
2
BOARD(1/2)
(SEE PAGE 4-33)
1
1
CN901
(1/2)
ED55/ED66/ED88/ED89/ED95/EZ66/EZ77
JS202
PAL
NTSC
ED55/ED66/ED95MI/EZ66
AUDIO
(SEE PAGE 3-7)
3-4
CNJ902
ED85/ED88/ED89/ED95/EZ66/EZ77
(1/2)
LINE-1 OUT/LINE-2 OUT
VIDEO
CNJ904 ED15/ED25/ED33/ED39/EZ11/EZ22
(1/3)
LINE-1 IN/LINE-1 OUT
VIDEO
CNJ903
ED55/ED66/EZ44
(1/3)
LINE-1 IN/LINE-1 OUT
VIDEO
CNJ901
ED88/ED89/ED95:MN,TH/EZ77
(1/3)
LINE-1 IN/LINE-3 IN
VIDEO
ED85/ED95MI/EZ66
CNJ905
(1/2)
LINE-1 IN
VIDEO
LINE-2 IN
VIDEO