Video Block Diagram - Sony SLV-EX5 Service Manual

SLV-EX5/EX8S/EX9S
Q Q
3 7 6 3 1 5 1 5 0

3-2. VIDEO BLOCK DIAGRAM

MA-377 BOARD (1/5)
(SEE PAGE 4-9, 13, 21)
IC201uk PB
640mVp-p (H)
VCLK(IIC)
SERVO/SYSTEM
VDAT(IIC)
CONTROL
(SEE PAGE 3-5) RF ENV
IC201ul PB
RF SWP
720mVp-p (H)
AUDIO
EX8S/EX9S
AF ENV
(SEE PAGE 3-7)
CN202
HF ADJ
1
PB RF 79
CHECK 2
RF SWP
3
81
IC201iaREC/PB
5.3Vp-p (H)
Logic
EX8S/EX9S
CN201 (1/2)
SP CH2 F
4 T E 86 PB
L 1 3 9 4 2 2 9 6 5 1 3
SP
CH2 SP
87
REC
SP COM
SP
5 88
REC
SP
CH1
SP CH1 F
89 PB PB
6
LP CH2 F
VCA
91 PB
1
LP
CH2
LP COM
LP
92
2 REC
LP
93
REC
LP
CH1
LP CH1 F
3 94 PB
SW31
IC201ih,il REC
CN204
SP CH2 F
4
SP
CH2 40mVp-p (H)
SP COM
5
97
SP
CH1
SP CH1 F
6
LP CH2 F
1
LP
CH2
LP COM
2
LP
CH1
LP CH1 F
3 VIDEO INPUT SELECT
Q206
INVERTER
EX5
05
w w w
IC201ug REC/PB
496mVp-p (4.43MHz)
(PAL)
IC201ua REC/PB
X201 X202
4.433619MHz 3.579693MHz
608mVp-p
(3.58MHz)(NTSC)
78 84 75 73 71 69 64 63
LC VCO Serial Cont
X-tal CR Det
Interface
2fsc 2fsVCO
VCO/OSC
ENV DET
fH PLL
PB/REC REC
REC PB
Color Killer
Discri AFC
APC APC
Head SW1 ID Det
DL
Head SW2
1/2
DOWN
1/2 Delay
Conv
2EL VCO
2EL VCO
P ctl trap
SW20
fh HPF
ACC
R
P
SW28 R
4phase
SW30 2M LPF
SEP
CH2
SW18
HPF
TRAP
L-SECAM
COMP SW19
L-
CH1
SECAM
LPF
SP
SW27 MIX
LEVEL
C.K
SW29
ADJ
SP
REC
MUTE
P
SQPB
SW7
P SQPB
629
FM AGC SW8
EQ Delay G
TRAP
R EQ
SQPB
CH2
1MHPF
DLIM
CH1
7MLPF
DEMO
LPF
Sub LPF
FM MOD
Main
De-emph
Main Emph
to/Dev Adj
Carrier Offset
W.C/DC
SW9
S-DET
IC201
(1/2)
Y/C PROCESS
CCD DELAY
IC201qk,ql REC/PB
REC:472mVp-p (H)
x a o PB :504mVp-p (H)
. i
3-3
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IC2914 PB
IC291qk PB IC291w; PB
1.9Vp-p (H) 152mVp-p (H) 2.2Vp-p (H)
EX9S
IC291
ARC
9
CLK
DATA 10
20 4
IC2914,qkREC C IN V OUT
18
Y IN
2.1Vp-p (H)
EX5/EX8S
R212
EX5/EX8S
JS291
62 60 58 57 55 54 52 51
NP.
VCA
cont
COMPSYNC
6dB AMP
50
SW26 CCD
6dB AMP
LPF
P R
LEVEL Det1
C. SQUELCH Sync. Sep
LEVEL Det2
SW25
R
CLEAR
C.K
SYNC
CLPF
White
SW24
limiter
P
R
SQUELCH
N --> P
Q Q
Main Main
Feed Back 3 7
Conv1 Conv2
Clamp
B.D
SW23 SW22 P Video ALC
Gen
R R
P
46
BPF
44
BE
Clock
SW21
Driver
Pulse
42
Gen
DO Edge
Det Delay
P
39
SW17
Picture
Cont.
R
Mode
37
Control
R
N.L N.L
REC
DF
Emph De.Emph
N.C AGC DET
SW13 P
35
PB ALC
FBC/ALC
YNR
CCD
SW14
P R
DO/
SW16
SW10
REC DO VIDEO AGC
ATT
Y-PLF
(-10DB)
BAND
P
R GAP ATT
(-10DB) ATT
31
SW11
CLAMP
LPF (-10DB)
CLAMP
17 18 19 6 21 23 24 26 28 30
Q211
BUFFER
Q210
REC TRAP
SWITCH
IC201whREC/PB
IC201wa REC/PB IC201wd REC/PB
REC:512mVp-p (H)
392mVp-p (H) REC:472mVp-p (H)
PB :584mVp-p (H)
u 1 6 3 PB :504mVp-p (H)
y
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2 4
8 9 9
IC201y; REC/PB IC201tk REC/PB
320mVp-p (H) REC:512mVp-p (H)
PB :584mVp-p (H)
CLK(RR) SERVO/SYSTEM
CONTROL
DATA(RR)
(SEE PAGE 3-5)
Q172
VIDEO
BUFFER
TU VIDEO
MOD V
C.KILLER DET
Q174
BLUE
BACK SWITCH
MAIN/SAP
MAIN/SAP
Q901,904
BUFFER
IC101
(1/2)
SYSTEM CONTROL
OSD
Q902,903
BLUE BACK
QVD
64
VIDEO 45 BUFFER
OUT
IC101rgREC/PB
VIDEO
43
IN
52
4 fsc IN
2.2Vp-p (H)
X151
17.734475MHz
Q171
INVERTER
MAIN/SAP
PAL/MAIN/SAP
18 53
6 3 1 5 1 5 0 8 9
4fc OUT
IC201t; REC/PB IC101rdREC/PB
4.6Vp-p (H) 2.2Vp-p (H)
EX8S/EX9S
JS900
C.KILLER DET
ACK MODE CONTROL
MESECAM DET
(SEE PAGE 3-12)
MESEC
QVD
QVD
SERVO/SYSTEM
COMP SYNC
CSYNC
APC PWM (SEE PAGE 3-5)
APC
JS203
EX5
IC201e;REC/PB
1.1Vp-p (H)
CN531
7
BOARD(1/2)
1
APC PWM CN901
(1/2)
MESECAM DET
JS202
EX8S/EX9S
NA PB AUDIO
(SEE PAGE 3-7)
m
c o
.
3-4
2
8 9 9
TUNER
(SEE PAGE 3-9)
CNJ902
EX8S/EX9S
(1/2)
LINE-1 OUT
EX5 VIDEO
JS908
CNJ904
EX5
(1/3)
LINE-1 IN/LINE-1 OUT
VIDEO
2 4 9 8 2 9 9
EX8S/EX9S
CNJ905
(1/2)
LINE-1 IN
VIDEO
CONTROL
CNJ531
(1/2)
(1/2)
LINE-2 IN
FJ-26 VIDEO
(SEE PAGE 4-29)
EX8S/EX9S