Ic Pin Function Descriptions - Toshiba RD-XV45KE Service Manual

IC PIN FUNCTION DESCRIPTIONS

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Comparison Chart of Models and Marks
Model
RD-XV45KE
RD-XV45KB
RD-XV45KF
IC501( SERVO / SYSTEM CONTROL IC )
Pin IN/ Signal
Mark
No. OUT Name
1 - NU
2 IN PG-DELAY
3 IN POW-SAF
4 IN END-S
5 -
NU
6 IN V-ENV
7 IN KEY-1
8 IN KEY-2
9 IN LD-SW
10 IN ST-S
11 -
NU
12 -
NU
13 OUT D-V- SYNC Dummy V-sync Output
IN REMOCON
14
-IN
15 OUT C-ROTA
16 OUT H-A-SW
IN H-A-COMP Head Amp Comparator
17
18 OUT RF-SW
OUT Hi-Fi-H-SW HiFi Audio Head
19
20 -
NU
21 -
NU
22 -
NU
23 -
NU
24 -
NU
25 -
NU
26 OUT REC-LED
Mark
A
B
C
Function
Not Used
Video Head Switching
Pulse Signal Adjusted
Voltage
Abnormal Voltage
Detection
Tape End Position
Detect Signal
Not Used
Video Envelope
Comparator Signal
Key Scan Input Signal 1
Key Scan Input Signal 2
Deck Mode Position
Detector Signal
Tape Start Position
Detector Signal
Not Used
Not Used
Remote Control Sensor
Color Phase Rotary
Changeover SIgnal
Video Head Amp
Switching Pulse
Signal
Video Head Switching
Pulse
Switching Pulse
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Rec Mode LED Signal
Output
Pin IN/
Mark
No. OUT
27 -
NU
28 - NU
29 -
NU
30 -
NU
IN REC-SAF-
31
SW
32 IN A-MODE
33 OUT D-REC-H
34 IN RESET
35 IN Xcin
36 OUT Xcout
37 - Vcc
38 IN Xin
39 OUT Xout
40 - GND
41 - NU
42 - NU
43 IN CLKSEL
44 IN OSCin
45 OUT OSCout
46 - NUB
47 IN LP
IN FSC-IN
48
[4.43MHz]
49 - OSDVss
50 IN OSD-V-IN
51 - LECHA
OUT OSD-V-
52
OUT
53 - OSDVcc
54 -
HLF
A,C IN COLOR-IN
55
B -
NU
56 -
NU
57 -
NU
58 IN C-CYNC
59 -
NU
1-17-1
Signal
Function
Name
Not Used
Not Used
Not Used
Not Used
Recording Safety SW
Detect (With Record
tab="L"/ With out Record
tab="H")
Hi-Fi Tape Detection
Signal
Delayed Record Signal
System Reset Signal
(Reset="L")
Sub Clock
Sub Clock
Vcc
Main Clock Input
Main Clock Input
Vss(GND)
Not Used
Not Used
Clock Select (GND)
Clock Input for letter
size
Clock Output for letter
size
Not Used
LP
4.43MHz Clock Input
OSDVss
OSD Video Signal Input
Not Used
OSD Video Signal
Output
OSDVcc
LPF Connected
Terminal (Slicer)
SECAM or MESECAM
Chroma Video Input
Signal at Super Impose
Not Used
Not Used
Not Used
Composite
Synchronized Pulse
Not Used
E439APIN