FUNAI 29B-250, Руководство по обслуживанию

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Video Block Diagram
HG242BLV 1-7-2
SP HEAD AMP
REC FM AGC
TO SERVO/SYSTEM CONTROL BLOCK
TO SERVO/SYSTEM CONTROL BLOCK
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
V-ENV
LUMINANCE SIGNAL PROCESS
CHROMINANCE SIGNAL PROCESS
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 33
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
CN151 CN152
CN101 CN102
V-OUT2 V-IN2
61 63
CHARA. INS.
CCD 1H DELAY
SP
BYPASS
MUTE
PB/EE
IN1
TUNER
IN1
TUNER
MUTE
PB/EE
IN2
IN2
AGC
P
R
R Y C
P
RP
R
P
Y. DELAY
Y/C MIX
+
21 79
78
AGC
VXO
OSD CHARACTER MIX
FBC
1/2
58
59 65
29
28
IIC-B
US SD
A
IIC-B
US SCL
69
68
46
43
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
C-SYNC
C-SYNC
67
V(R)-1
V-COM
V(L)-2 CN253
1 2 3
96 95 93 94
54
FRT
FRT
JK756 V-IN
FR
ONT
B
H-A-SW
71
H-A-COMP
83
H-A-SW
H-A-COMP
B
CYLINDER ASSEMBLY
(DECK ASSEMBLY)
VIDEO (R)-1 HEAD
EP HEAD AMP
VIDEO (L)-1 HEAD
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
V(L)-2
V-COM
V(R)-2
4 5 6
90 89 88 87
EP
B
Comparison Char
t of
Models & Marks
Model
Mark
29B-250 29B-750
A B