Magnavox MWC24T5 Service Manual

1-15-1 T2203PIN
IC PIN FUNCTION DESCRIPTIONS
IC1201 (TV/VCR Micro Controller IC)
“H” ≥ 4.5 V, “L” ≤ 1.0 V
Pin
No.
IN/
OUT
Signal
Name
Function
1 IN LD-SW Loading Switch Input
2 OUT DVD-LED DVD LED Control Output
3IN
P-SAFETY
2
Power Supply Failure
Detection 2
4 IN ST/SAP-IN
Tuner Stereo/Sap Detector
Signal Input
5 IN KEY0 Key Input 0
6 IN KEY1 Key Input 1
7 IN END-SENS End-Sensor
8 IN AFT AFT Voltage Input
9 IN ST-SENS Start-Sensor
10 IN V-ENV Video Envelope Input
11 OUT VOLUME
Volume Control Signal
Output
12 OUT SP-MUTE Speaker Mute Signal Output
13 OUT DV-SYNC Artificial Vertical Sync Output
14 IN REMOTE Remote Control Signal Input
15 OUT ROTA
Color Phase Rotary
Changeover Signal
16 OUT V-H-SW
Video Head Amp Switching
Pulse
17 IN ENV-DET Envelope Comparator Signal
18 OUT RF-SW Video Head Switching Pulse
19 OUT Hi-Fi-H-SW
HiFi Audio Head Switching
Pulse
20 - NU Not Used
21 OUT REC-LED REC LED Control Signal
22 IN
NORMAL-
H
Audio Mode Input Signal
23 - NU Not Used
24 - NU Not Used
25 OUT
DVD-
REMOTE
Remote Control Signal
Output to DVD
26 OUT
TV/VCR-
LED
TV/VCR LED Control Signal
27 - NU Not Used
28 - NU Not Used
29 OUT
D-REC
/PB-L
Delayed Record/Playback
Control Signal
30 - NU Not Used
31 OUT P-ON-H Power On Signal at High
32 - NU Not Used
33 IN
REC-
SAFETY
Record Protection Tab
Detection
34 IN RESET
System Reset Signal (Reset
= “L”)
35 IN XC-IN Sub Clock (32kHz)
36 OUT XC-OUT Sub Clock (32kHz)
37 - TIMER+5V Vcc
38 IN X-IN Main Clock (10.6MHz)
39 OUT X-OUT Main Clock (10.6MHz)
40 - GND GND
41 OUT SPOT-KILL Counter Measure for Spot
42 IN
DVD-MAIN-
POWER
Power On Signal at High for
DVD
43 IN CLKSEL Clock Select (GND)
44 OUT D-REC-H
Delayed Record Control
Signal
45 IN I2C-OPEN Chip Select
46 - GND GND
47 IN
DVD-
AUDIO-
MUTE
DVD Audio Mute Signal
48 OUT DVD-H DVD at High
49 - GND GND
50 IN CS DVD Interface Chip Select
51 IN SCLK DVD Interface Serial Clock
52 IN SDATA DVD Interface Serial Data
53 - P-ON+5V OSD Vcc
54 - HLF Horizontal Filter
55 IN V-HOLD Vertical Hold
56 IN CV-IN
Composite Video Signal
Input
57 - GND GND
58 IN H-SYNC Horizontal SYNC Input
59 IN V-SYNC Vertical SYNC Input
60 OUT OSD-BLK Output for Picture Cut off
61 OUT DG-ON-H
Degaussing Coil Control
Signal
62 OUT OSD-B Blue Signal Output
63 OUT OSD-G Green Signal Output
64 OUT OSD-R Red Signal Output
65 OUT
AUDIO-
MUTE
Audio Mute Signal Output
Pin
No.
IN/
OUT
Signal
Name
Function

Magnavox MWC24T5 Specifications

General

Brand	Magnavox
Model	MWC24T5
Category	TV DVD Combo
Language	English