Magnavox 19MDTR20 Service Manual page 248

IC1201 (TV/VCR Micro Controller IC)
"H" ≥ 4.5 V, "L" ≤ 1.0 V
Pin IN/ Signal
No. OUT Name
1 IN LD-SW
2 OUT DVD-LED
P-SAFETY
3 IN
2
4 IN 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 VOLUME
12 OUT SP-MUTE
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 Hi-Fi-H-SW
20 OUT D-PB-L
21 OUT REC-LED
NORMAL-
22 IN
H
23 OUT ACL-CONT ACL Control Signal
24 - NU
DVD-
25 -
REMOTE
TV/VCR-
26 OUT
LED
27 - NU
28 - NU
29 OUT D-REC-H
30 - NU
31 OUT P-ON-H
32 - NU
REC-
33 IN
SAFETY
IC PIN FUNCTION DESCRIPTIONS
Function
Loading Switch Input
DVD-LED Output
Power Supply Failure
Detection 2
Tuner Stereo/Sap Detector
Signal Input
Key 0 Input
Key 1 Input
AFT Input
Start-Sensor
Video Envelope Input
Volume Adjustment Output
Speaker Mute Output
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
Output in Playback
Recording LED Control
Signal
Audio Mode Input Signal
Not Used
Remote Control Signal to
DVD
TV/VCR Mode LED Control
Signal
Not Used
Not Used
Delayed Record Signal
Not Used
Power On Signal at High
Not Used
Record Protection Tab
Detection
Pin IN/ Signal
No. OUT Name
34 IN RESET
35 IN XC-IN
36 OUT XC-OUT
37 - TIMER+5V Vcc
38 IN X-IN
39 OUT X-OUT
40 - GND
41 OUT SPOT-KILL Counter-measure for Spot
DVD-MAIN-
42 IN
POWER
43 IN CLKSEL
44 OUT D-REC-H
45 IN I2C-OPEN
46 - GND
DVD-
47 IN AUDIO-
MUTE
48 OUT DVD-H
49 - GND
50 IN CS
51 IN SCLK
52 IN SDATA
53 - P-ON+5V
54 - HLF
55 IN V-HOLD
56 IN CV-IN
57 - GND
58 IN H-SYNC
59 IN V-SYNC
60 OUT OSD-BLK
61 - NU
62 OUT OSD-B
63 OUT OSD-G
64 OUT OSD-R
AUDIO-
65 OUT
MUTE
66 OUT C-F/R
D-REC-L/
67 OUT
PLAY-H
68 OUT YCA-SDA
69 OUT YCA-CS
70 OUT YCA-SCL
1-15-1
Function
System Reset Signal (Reset
= "L")
Sub Clock 32 kHz
Sub Clock 32 kHz
Main Clock Input
Main Clock Output
GND
Power On Signal to High for
DVD
Clock Select (GND)
Delayed Record Signal
White Balance Adjust Mode
Judgment
GND
DVD Audio Mute Signal
DVD at High
OSD GND
DVD Interface Chip Select
DVD Interface
Communication Clock
DVD Interface Serial Data
OSD Vcc
HLF
VHOLD
Video Signal Input
GND
H-SYNC Input
V-SYNC Input
Output for Picture Cut off
Not Used
Blue Output
Green Output
Red Output
Audio Mute Output
Capstan Motor FWD/REV
Control Signal
Recording/Playback Output
YCA IC Control Data
YCA IC Control Chip Select
YCA IC Control Clock
T0102PIN