Sanyo AVM-1420MA User Manual

UOC TDA9370 with NTSC/PAL-M / PAL-N
Models:
AVM-1420MA(C)
AVM-2120MA(C)
TVS-1430MA(C) TVS-2945PFS(C)
TVS-2121MA(C) TVS-2944MA(C)
TVS-2121S(C) TVS-3445PFS(C)
TVS-2132MA(C) TVS-3444MA(C)
TVS-2132S(C) TVS-3442MA(C)
TVS-2124PFS(C)
TVS-2122PF(C)
TVS-2152PF(C)
TVS-2545PFS(C)
TVS2542MA(C) April 06, 2004
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S
S
E
E
E
R
R
R
V
V
V
I
I
I
C
C
C
E
E
E
M
M
M
A
A
A
N
N
N
U
U
U
A
A
A
L
L
L
COLOUR TELEVISION

Sanyo AVM-1420MA Specifications

General

Brand	Sanyo
Model	AVM-1420MA
Category	TV
Language	English

Summary

Safety Precautions

Isolation Check

Perform isolation check on exposed metal parts to ensure safety from electrical shock.

Dielectric Strength Test

Test isolation between AC primary circuit and exposed metal parts for one second.

Leakage Current Check

Measure leakage current from exposed metal parts to earth ground, ensuring it stays within limits.

Alternate Leakage Current Check

Alternative method for leakage current check using an AC voltmeter and resistor.

TV Block Diagram for PAL-M/PAL-N

Philips UOC Functional Differences

Block Diagram

Service Adjustment

Memory IC Replacement

Guide for replacing the memory IC with initial data values.

B1 Power Supply Adjustment

Adjusts the B1 power supply voltage to specified levels.

Focus Adjustment

Adjusts focus VR for sharp screen lines.

EW Adjustment

Adjusts EW parabola and trapezium for picture geometry.

Bus Control and Menu Adjustments

Covers test mode, bus control, and menu-based adjustments (M1, M2, M3).

ICs Default Settings

Information on default settings for various ICs.

ICs Functional Description

UOC TDA93XX IC Details

Pin Functions

Lists and describes the functions of each pin for the UOC TDA93XX IC.

IC Version Comparison

Details IC version, FM-PLL, and QSS version comparisons.

Control Key Input and Voltage

Lists control key inputs and their corresponding voltage levels.

Test Point Waveforms

IC Voltages

Purity and Convergence Adjustment

Purity Adjustment

Step-by-step guide for adjusting CRT purity using magnets and deflection yoke.

Static Convergence Adjustment

Adjusts convergence using magnets to overlap color lines in the center.

Dynamic Convergence Adjustment

Adjusts convergence by moving the deflection yoke to overlap color lines in the periphery.