Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
46
OUT
C-POW-
SW
Capstan Motor
Power Voltage
Control Signal,
(FF/REW=
"H")
H
47
OUT
TRICK-H
Special
Playback="H" in
SECAM Mode
H
*48
IN
A-MODE
Hi-Fi Tape
Detection Siganl
L
49
IN
T-REEL
Take Up Reel
Rotation Signal
PULSE
50
IN
S-REEL
Supply Reel
Rotation Signal
PULSE
51
IN
C-FG
Capstan Motor
Rotation Detection
Pulse
PULSE
52
IN
D-FG
Drum Motor
Rotation Detection
Pulse
PULSE
53
IN
D-PG
Drum Motor Pulse
Generator
PULSE
54
IN
PB-CTL
Playback Control
Signal
PULSE
55
OUT
C-CONT
Capstan Motor
Control Signal
PWM
56
OUT
D-CONT
Drum Motor Control
Signal
PWM
57
–
N.U.
Not Used
–
58
–
N.U.
Not Used
–
59
OUT
LM-FWD/
REV
Loading Motor
Control Signal
H/Z/L
60
OUT
A-MUTE
-H
Audio Mute Control
Signal
H
61
OUT
P-ON-H
Power On Signal at
High
H
62
OUT
D-REC-H Delayed Record
Signal
H
63
IN
P-DOWN
-L
Power Voltage
Down Detector
Signal
L
*64
OUT
FF/REW
-L
CTL Amp Gain
Switching Signal
(FF/REW="L")
L
*65
OUT
STILL/
SLOW-L
Still/Slow Circuit
Change Over "L"
Signal
(STILL/SLOW
Mode="L")
L
66
OUT
C-F/R
Capstan Motor
FWD/REV Control
Signal
L
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
67
IN
POW-
SAF
P-ON Power
Detection Input
Signal
A/D
68
IN
END-S
Tape End Position
Detect Signal
A/D
69
IN
AFC
Automatic
Frequency Control
Signal
A/D
70
IN
V-ENV
Video Envelope
Comparator Signal
A/D
71
IN
PG-
DELAY
Video Head
Switching Pulse
Signal Adjusted
Voltage
A/D
72
IN
KEY-1
Key Scan Input
Signal 1
A/D
73
IN
KEY-2
Key Scan Input
Signal 2
A/D
74
IN
LD-SW
Deck Mode Position
Detector Signal
A/D
75
IN
ST-S
Tape Start Position
Detector Signal
A/D
76
–
AVcc
A/D Converter
Power Input/
Standard Voltage
Input
–
77
–
FLDVcc
FLDVcc
–
78
–
FLDVp
GND
–
79
IN
DEC-L
Control Input Signal
to AV2
L
80
–
N.U.
Not Used
–
81
–
N.U.
Not Used
–
82
–
N.U.
Not Used
–
83
OUT
G1
Display Digit
H/L
84
OUT
G2
Display Digit
H/L
85
OUT
G3
Display Digit
H/L
86
OUT
G4
Display Digit
H/L
87
OUT
G5
Display Digit
H/L
88
OUT
G6
Display Digit
H/L
89
OUT
P10
Display Segment
H/L
90
OUT
P9
Display Segment
H/L
91
OUT
P8
Display Segment
H/L
92
OUT
P7
Display Segment
H/L
93
OUT
P1
Display Segment
H/L
94
OUT
P2
Display Segment
H/L
95
OUT
P3
Display Segment
H/L
96
OUT
P4
Display Segment
H/L
97
OUT
P5
Display Segment
H/L
1-11-2
H8743PIN
Summary of Contents for 23C-250
Page 22: ...1 8 3 1 8 4 1 8 5 H8624SCM1 Main 1 4 Schematic Diagram...
Page 23: ...1 8 6 1 8 7 1 8 8 H8624SCM2 Main 2 4 Schematic Diagram...
Page 24: ...1 8 9 1 8 10 1 8 11 H8624SCM3 Main 3 4 Schematic Diagram...
Page 25: ...1 8 12 1 8 13 1 8 14 H8624SCM4 Main 4 4 Schematic Diagram Function Schematic Diagram H8743SCF...
Page 26: ...1 8 15 1 8 16 Jack Schematic Diagram H8622SCJ...
Page 27: ...1 8 17 1 8 18 SECAM Schematic Diagram H8624SCS...
Page 30: ...1 8 26 1 8 25 BH8700F01031 Function CBA Top View Function CBA Bottom View...
Page 31: ...1 8 28 1 8 27 BH8700F01021 Jack CBA Top View Jack CBA Bottom View...
Page 32: ...1 8 30 1 8 29 SECAM CBA Top View SECAM CBA Bottom View BH8700F01011 C...
Page 58: ...EXPLODED VIEWS Front Panel A1X 3 1 1 H8743FEX...
Page 60: ...Packing Some Ref Numbers are not in sequence S2 S2 X4 S1 X1 X2 X20 X3 Unit S3 3 1 3 H8740PEX...
Page 78: ...23C 250 23C 250A H8743FP Printed in Japan 2001 04 20 HO...
