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Video Block Diagram
"
" = SMD
TP751
V-OUT
WF1
Q305
JK751
BUFFER
V-OUT
JK752
V-IN
TO SERVO
/SYSTEM
CONTROL
BLOCK
TU701
VIDEO
6
38
TU-VIDEO
24
36
(DECK ASSEMBLY)
CYLINDER ASSEMBLY
VIDEO (L) HEAD
VIDEO (R) HEAD
NOTE FOR WIRE CONNECTORS:
TEST POINT INFORMATION
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
(CAN DISCONNECT AND RECONNECT.)
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
HOLES OF THE PCB.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
(WIRE IS SOLDERED DIRECTLY.)
IC851
(OSD)
18
OSD
/CHARACTER
MAIN CBA
MIC
13
15
9
10
11
X302
4.43MHz
IC301
(Y/C PROCESS)
29
OSD-CS-L
OSD-CLK
AMP
OSD-DATA
D-V SYNC
CHARA
26
INS.
C-SYNC
28
C-SYNC
ROTA
10
ROTA
FBC
LINE
R
P
EE
32
31
AGC
TUNER
Y/C
MIX
R
P
BPF
D.E.
C-COMB
59
57
54 52 51 61
CN251
1
V(L)
2
V-COM
V(R)
3
1-10-3
06/28/2012
REC-Y SIGNAL
Q307
BUFFER
67 66
49
43
45
46
VXO
CCD 1H
DELAY
R
1/2
Y-LPF
P
DOC YNR Y/C COMB
NOISE
M
CANCEL
DE EMPA
PIC-CTL
ANR
KILL
R P
P
BPF
MAP
B.D.
R
KIL
COMB
CCD
AMP
LPF
71
72
91
90
L
89
R
88
REC-C SIGNAL
PB-Y SIGNAL
Q304
BUS SDA
TO
BUS SCL
BUFFER
SERVO/SYSTEM
CONTROL BLOCK
41
20
21
24 23
SERIAL
CLAMP
CLAMP
DECORDER
DETAIL
ENH
R
P
V/I
SUB
FM
CONV
LPF
DEMOD.
W/D
FM
REC
CLIP
MOD
FM-EQ
BPF
REC FM
AGC
R
B-UP
MAIN
ACC
AMP
CONV
C-LPF
P
SUB
4.43MHz
CONV
PB FM
629KHz
AGC
FM-EQ
93
11
TP302
ENV DET
74
1-10-4
World of Free Manuals
PB-C SIGNAL
MODE: SP/REC
DOUBLE
17
LIMIT
Q302, Q303
PEAKING
AMP
NL
EMPHA
19
R
18
PB
P
TO
V-ENV
SERVO/SYSTEM
RF-SW
CONTROL BLOCK
RF-SW
WF2
TP301
C-PB
WF5
H67T0BLV
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