Ic Pin Function Descriptions - Sylvania Emerson 6719DC Service Manual

IC1201 ( SERVO / SYSTEM CONTROL/TV/
OSD/TIMER IC )
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
8 IN KEY2
9 IN ST-SENS
10 IN V-ENV
11 OUT VOL-CONT
12 - NU
IN/
13 D-V SYNC
OUT
14 IN REMOTE
15 OUT ROTA
16 OUT V-H-SW
17 IN ENV-DET
18 OUT RF-SW
19 OUT HiFi-SW
20 OUT D-PB-L
21 OUT REC-LED
22 IN NORMAL-H
23 OUT ACL-CONT
24 - NU
25 OUT REM-OUT
26 OUT TV/VCR-LED

IC PIN FUNCTION DESCRIPTIONS

"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
End-Sensor
Key 2 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
Playback Instruction
Signal (Playback="L")
Recording LED Control
Signal
Audio Mode Input Signal
ACL Control Signal
Not Used
DVD REMOTE SIGNAL
TV/VCR Mode LED
Control Signal
Pin IN/
No. OUT
IN/
27 REC/EE/PB
OUT
TAPE-
IN/
28
OUT
SPEED
29 OUT EXT-H
IN/
30 RENTAL
OUT
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
PWR
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 - +5V
54 - HLF
55 IN V-HOLD
56 IN C-VIDEO
1-15-1
Signal
Function
Name
YCA IC Mode Output
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
TD500PIN