FUNAI 27C-450, Service Manual

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Video Block Diagram
1-7-3 1-7-4 HE341BLV
SP
HEAD
AMP
REC FM
AGC
TO SERVO/SYSTEM
CONTROL BLOCK
C-SYNC
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
V-ENV
LUMINANCE
SIGNAL
PROCESS
CHROMINANCE
SIGNAL
PROCESS
C-SYNC
V-ENV
D-V-SYNC
C-ROTA/RF-SW
TU701(TUNER UNIT)
IC301
(Y/C SIGNAL PROCESS)
IC501 (OSD)
REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC
SERIAL
DECORDER
V-OUT1 1
V-IN1
1
3
3
V-OUT2 1
V-IN2 3
1
3
JACK CBA
48
50
52
56
24
6
50 52
19
20
JK101
V-OUT1
V-IN1
19
20
JK102
CL151
CL152
CL101
CL102
V-OUT2
V-IN2
61
63
CHARA.
INS.
CCD 1H DELAY
BYPASS
MUTE
PB/EE
IN1
TUNER
IN1
TUNER
MUTE
PB/EE
IN2
IN2
AGC
P R
R
Y
C
P
R P R P
Y. DELAY
Y/C
MIX
+
21
79 78
AGC VXO
OSD
CHARACTER
MIX
FBC
1/2
58 59
65
29 28
69 68 46 43
67
84
62
70
D-REC-H 80
BUFFER
Q101
BUFFER
Q102
J23
V-OUT
WF1
TP301
X301
4.433619MHz
C-PB
WF3
VIDEO-OUT
VIDEO-IN
BUFFER
Q351
MAIN CBA
TP502
RF-SW
WF2
55
COLOR
-IN
TO
SERVO/SYSTEM
CONTROL BLOCK
IIC-BUS SDA
IIC-BUS SCL
EP
HEAD
AMP
SP
EP
CYLINDER ASSEMBLY
(DECK ASSEMBLY)
VIDEO (R)-1
HEAD
VIDEO (L)-1
HEAD
VIDEO (L)-2
HEAD
VIDEO (R)-2
HEAD
V(R)-1
V-COM
V(L)-1
CL253
1
2
3
V(L)-2
V-COM
V(R)-2
4
5
6
96
95
93
94
90
89
88
87
H-A-SW
H-A-COMP
H-A-COMP
H-A-SW
83
71
TRICK-H
SECAM-H
PB-H OUT
IC370 (PAL/SECAM DECTECTOR)
PAL/SECAM
DETECTOR
44
17
14
18
2
16
29
1
28
25