Ic Pin Function Descriptions - Toshiba D-VR40SF Service Manual

IC PIN FUNCTION DESCRIPTIONS

< VCR Section >
Comparison Chart of Models and Marks
Model
D-VR16SB
D-VR40SF
IC501( SERVO / SYSTEM CONTROL IC )
Pin IN/ Signal
Mark
No. OUT Name
1 IN SC2-IN
2 IN PG-DELAY
DVD-POW-
3 IN
SAFETY
4 IN END-S
5 IN AFC
6 IN V-ENV
7 IN KEY-1
8 IN KEY-2
9 IN LD-SW
10 IN ST-S
FAN-
11 OUT
CONT1
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 OUT I/P-SW
21 -
NU
VIDEO-
22 OUT
SW1
Mark
A
B
Function
Input Signal from Pin 8
of SCART2
Video Head Switching
Pulse Signal Adjusted
Voltage
Abnormal Voltage
Detection
Tape End Position
Detect Signal
Automatic Frequency
Control Signal
Video Envelope
Comparator Signal
Key Scan Input Signal 1
Key Scan Input Signal 2
Deck Mode Position
Detector Signal
Tape Start Position
Detector Signal
Fan Motor Control Signal
Not Used
Remote Control Sensor
Color Phase Rotary
Changeover SIgnal
Video Head Amp
Switching Pulse
Signal
Video Head Switching
Pulse
Switching Pulse
Progressive/Interlace
Data Output
Not Used
Video Input Select
Signal
Pin IN/
Mark
No. OUT
VIDEO-
23 OUT
SW2
VIDEO-
24 OUT
SW3
REG-
25 OUT
CONT2
DVD-
26 OUT
AUDIO-
MUTE
RGB-
27 OUT
THROUGH
AUDIO-
28 OUT
MUTE-2
DVD-
29 OUT AUDIO-
MUTE2
DVD-
SCART-
30 OUT
AUDIO-
MUTE
IN REC-SAF-
31
SW
32 IN P-DOWN -H
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 OUT PWR-SW
REGULATOR
42 OUT
-CONTROL
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 -
NU
1-16-1
Signal
Function
Name
Video Input Select
Signal
Video Input Select
Signal
Power Regulator Control
Signal
DVD Audio Mute Control
Signal
SCART 2 RGB Through
Control Signal
Audio Mute Control
Signal
DVD Audio Mute
Control Signal
DVD SCART Audio
Mute Control Signal
Recording Safety SW
Detect (With Record
tab="L"/ With out Record
tab="H")
Power Voltage Down
Detector Signal
Delayed Record Signal
System Reset Signal
(Reset="L")
Sub Clock
Sub Clock
Vcc
Main Clock Input
Main Clock Input
Vss(GND)
DVD Power Supply
Control Signal
Power Regulator Control
Signal
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
E9BA1PIN