Ic Pin Function Descriptions - Symphonic WF719 Service Manual

IC PIN FUNCTION DESCRIPTIONS

IC1201 (TV/VCR Micro Computer)
Pin IN/ Signal
No. OUT Name
1 IN LD-SW
2 IN P-SAFETY 1
3 IN P-SAFETY 2
IN
4 ST/SAP-IN
5 IN KEY0
6 IN KEY1
7 IN END-SENS End-Sensor
8 IN AFT
9 IN ST-SENS
10 IN V-ENV
11 OUT VOL-CONT
12 - NU
13 OUT DV SYNC
14 IN REMOTE
15 OUT ROTA
16 OUT V-H-SW
17 IN ENV-DET
18 OUT RF-SW
19 OUT HiFi-H-SW
20 - NU
21 OUT REC-LED
22 IN NORMAL-H Audio Mode Input Signal
23 OUT ACL-CONT
24 - NU
DVD-
25 -
REMOTE
TV/VCR-
26 OUT
LED
27 OUT REC/EE/PB YCA IC Mode Output
"H" ≥ 4.5V, "L" ≤ 1.0V
Function
Loading Switch Input
Power Supply Failure
Detection 1
Power Supply Failure
Detection 2
Tuner Stereo/Sap Detector
Signal Input
Key 0 Input
Key 1 Input
AFT Input
Start-Sensor
Video Envelope Input
Output Volume Control
Signal
Not Used
Artificial V-Sync Output
Remote Signal Input
Color Phase Rotary
Changeover SIgnal
Video Head Amp Switching
Pulse
Envelope Comparator
Signal
Video Head Switching
Pulse
HiFi Audio Head Switching
Pulse
Not Used
Recording LED Control
Signal
ACL Control Signal
Not Used
Remote Control Signal to
DVD
TV/VCR Mode LED Control
Signal
Pin IN/ Signal
No. OUT Name
IN/
28 SP/LP/SLP
OUT
29 OUT EXT-H
30 OUT RENTAL
31 OUT P-ON-H
32 OUT SPL-PLAY
REC-
33 IN
SAFETY
34 IN RESET
35 IN XC-IN
36 OUT XC-OUT
37 - TIMER+5V
38 IN X-IN
39 OUT X-OUT
40 - GND
41 OUT SPOT-KILL
DVD-MAIN-
42 IN
POWER
43 IN CLKSEL
44 OUT D-REC-H
45 IN I2C-OPEN
46 - GND
47 - NU
48 OUT DVD-H
49 - GND
50 - CS
51 OUT SCLK
IN/
52 SDATA
OUT
53 - P-ON+5V
54 - HLF
55 IN V-HOLD
56 IN CV-IN
57 - GND
58 IN H-SYNC
1-15-1
Function
Tape Speed Control Output
External Input or Playback
SIgnal Output
Rental Position Control
Signal
Power On Signal at High
Special Playback Control
Signal
Record Protection Tab
Detection
System Reset Signal
(Reset="L")
Sub Clock 32 kHz
Sub Clock 32 kHz
Vcc
Main Clock Input
Main Clock Output
GND
Counter-measure for Spot
Power On Signal to High for
DVD
Clock Select (GND)
Delayed Record Signal
White Balance Adjust
Mode Judgment
GND
Not Used
DVD at High
OSD GND
Chip Select
HiFi Communication Clock
Serial Data
OSD Vcc
HLF
VHOLD
Video Signal Input
GND
H-SYNC Input
TD851PIN