FUNAI 23C-250, Service Manual

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M
M
CN506
DRUM
MOTOR
PG
SENSOR
1 LD-M(-)
2 LD-M(+)
LOADING
MOTOR
CONTROL
HEAD
CN287
5 8 CTL(+)
6 9 CTL(-)
CN504
CN504
1 C-F/R
2 P-ON+5V
3 AL+15V/+12V
4 C-FG
5 C-POW-SW
6 C-DRIVE
7 FG-GND
8 CM-GND
CN503
CAPSTAN
MOTOR
CYLINDER ASSEMBLY
LOADING MOTOR ASSEMBLY
AC HEAD ASSEMBLY
MAIN CBA
CAPSTAN MOTOR
KEY-2
RF-SW
C-FG
D-FG
D-PG
PB-CTL
ST-S
T-REEL
C-CONT
C-F/R
KEY-1
V-ENV
REMOCON
REC-CTL(+)
RESET
C-ROTA
D-REC-H
D-REC-H
PG-DELAY
A-MUTE-H
I2C BUS SCL-2
I2C BUS SDA-2
A-MUTE-H
RF-SW
V-ENV
I2C BUS SCL-1
I2C BUS SDA-1
C-ROTA
END-S
IC501
(SERVO/SYSTEM CONTROL)
1
53
52
54
19
REC-CTL(-) 20
51
75
68
49
34
66
55
71
17
15
70
9
10
62
60
5
73
72
RS501
REMOTE
SENSOR
LM-
FWD/REV
59
D-CONT 56
AL+5V
P-ON+5V
D555
S-LED
(MEMORY) IC505
(DRUM /LOADING MOTOR DRIVE) IC506
IC503
Servo/System Control Block Diagram
BLOCK DIAGRAMS
END-S
END-S
T-REEL ST-S
Q503 Q504
Q501
RESET
SW508
RESET
Q506
S-REEL 50
C-POW-SW 46
SW-POINT
AL+5V
VR501
TIMER+5V
TP506
S-REEL
PS502
DEC-L
DEC-L
79
SECAM-H 23
TRICK-H 47
SECAM-CHARA-H
2
SECAM-H
TRICK-H
SECAM-CHARA-H
I2C BUS SCL-1
I2C BUS SDA-1
I2C BUS SCL-1
I2C BUS SDA-1
TO VIDEO
BLOCK
TO AUDIO
BLOCK
I2C BUS SDA-1
I2C BUS SCL-1
TO JACK
BLOCK
2 2 KEY-2
KEY
SWITCH
KEY SWITCH
TP501
GND
TP507
S-INH
CN651 CN505
FUNCTION CBA
1-7-1 1-7-2 H8743BLS
SCL
SDA
TU701
SCL
SDA
6
5
25
24
22
21
16
15
10
9
8
14
17
4
2
18
14
20
LD-SW 74
DRUM
MOTOR
DRIVE
DRIVE
LOADING
MOTOR
CONTROL
+
-
+
-
13
12
+
-
P-ON+5V
AL+15V/+12V
SCL
SDA
4
AL+5V
SW507
LD-SW
(1/3)
TP501 CTL
G1
G4
a
e
f
g
88
85
97
93
98
92
j
89
FP502
F I P
TIMER LED
CASETTE-IN LED 92
91
REC LED 87
D595 STAND-BY
D598 CAS
D597 TIMER
D596 REC
D599 P-ON
P-ON+5V
AL+5V
11
5
12
3
(DECK ASSEMBLY)
9
M
REC-SAF-SW 25
SW506
REC-SAFETY
AL+5V
Q620~Q623
DRIVE
G1
G6
a
f
g
83
88
93
98
92
j 89
FP501
F I P
G1
G6
P1
P6
P7
83
88
93
98
92
P10 89
FIP501
F I P
Comparison Chart of
Models & Marks
Model Mark
VR421CAT
VR621CAT
A
B
VR421CAT
VR621CAT
A
B
1 D-W
2 D-V
3 D-U
4 D-COM
5 PG-IN