Samsung CL-21M16MN Manual de usuario

Specifications

Alignment and Adjustments

Exploded View & Part List

Electrical Part List

PCB Diagram

Schematic Diagrams

COLOR TELEVISION RECEIVER

Chassis : KS9A(N)

Model : CL21M16MNZXBDB

SERVICE Manual

COLOR TELEVISION RECEIVER CONTENTS

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

©Samsung Electronics Co., Ltd. Nov. 2005

Printed in Korea

AA82-03146A

ELECTRONICS

Specifications

Samsung Electronics 1-1

1. Specifications

Broadcasting System

Regions

Tuning System

Intermediate Frequency

Power Supply

NTSC

North America

Electronic Remote Control System

VHF (CH 2 ~ 13)

UHF (CH 14 ~ 69)

CATV (CH 1, 14 ~ 125)

VHF, UHF 75 unbalanced

Video : 45.75 MHz

Sound : 41.25 MHz

Chrominance Subcarrier: 42.17 MHz

ANTENNA INPUT RESISTANCE

Receiving Channels

South Central America MEXICO

AC 120V, 60Hz AC 100~240V, 60Hz AC 120V, 60Hz

MEMO

1-2 Samsung Electronics

Alignment and Adjustments

Samsung Electronics 2-1

2. Alignment and Adjustments

2-1 General Alignment Instructions

1. Usually, a color TV-VCR needs only slight

touch-up adjustment upon installation. Check

the basic characteristics such as height,

horizontal and vertical sync and focus.

2. Observe the picture for good black and white

details. There should be objectionable color

shading; if color shading is present,

demagnetize, perform purity and convergence

adjustments described below.

3. Use the specified test equipment or its

equivalent.

4. Correct impedance matching is essential.

5. Avoid overload. Excessive signal from a

sweep generator might overload the front-end

of the TV. When inserting signal markers, do

not allow the marker generator to distort test

results.

6. Connect the TV only to an AC power source

with voltage and frequency as specified on the

backcover nameplate.

7. Do not attempt to connect or disconnect any

wires while the TV is turned on. Make sure

that the power cord is disconnected before

replacing any parts.

8. To protect against shock hazard, use an

isolation transformer.

2-2 Automatic Degaussing

A degaussing coil is mounted around the

picture tube, so that external degaussing after

moving the TV should be unnecessary. But

the receiver must be properly degaussed upon

installation.

The degaussing coil operates for about 1

second after the power is switched ON. If the

set is moved or turned in a different direction,

the power should be OFF for at least 10

minutes.

If the chassis or parts of the cabinet become

magnetized, poor color purity will result. If

this happens, use an external degaussing coil.

Slowly move the degaussing coil around the

faceplate of the picture tube and the sides and

front of the receiver. Slowly withdraw the coil

to a distance of about 6 feet before turning

power OFF.

If color shading persists, perform the

following Color purity and Convergence

adjustments.

2-3 High Voltage Check

CAUTION : There is no high voltage adjustment

on this chassis. The B+ power supply should be

+135 volts (with full color- bar input and normal

picture level).

1. Connect a digital voltmeter to the second

anode of the picture tube.

2. Turn on the TV. Set the Brightness and

Contrast controls to minimum (zero beam

current).

3. Adjust the Brightness and contrast controls to

both extremes. Ensure that the high voltage

does not exceed 30 KV under any conditions.

Alignment and Adjustments

2-2 Samsung Electronics

2-4 FOCUS Adjustment

1. Iput a black and white signal.

2. Adjust the tuning control for the clearest picture.

3. Adjust the FOCUS control for well defined scanning lines in the center area of the screen.

2-5 Factory Adjustment

1. To enter the “Service Mode”, Press the remote-control keys in this sequence :

- If you do not have Factory remote-control

- If you have Factory remote-control

PICTURE OFF PICTURE ON

MUTE 1 8 2

PICTURE ON DISPLAY()FACTORY

2-5-1 Service Mode

2-5-2 Factoy Mode OSD

ADJUST

OPTION

CHCKSUM

RESET

T-FMTNUS-0000

2-5-2 ADJUST

Alignment and Adjustments

Samsung Electronics 2-3

No Deflection Remark

Adjust

FIX

Adjust

FIX

Adjust

FIX

Adjust

FIX

INITIAL

MIN

MAX

ADJUST

VSL

AGC

CDL

SCT

SBT

BLR

BLB

STT

AKB

NDL

NSR

VOL

MVOL

RPO0

RPO1

CAP

FMWS

AGCS

OMD

SCL

PWL

MUS

SCBT

SSP

DNSR

DSBT

DCDL

DBLR

DBLB

DSK

T-FMTNUS FACTORY

Alignment and Adjustments

2-4 Samsung Electronics

YC DELAY

Off

STEREO

EXTERNAL

Off

English

Off

AV1/2/DVD

Off

No Item Remark

Video Mute time between the Channel changes

Audio MONO/STEREO Option

SIF Option

Turns on automatically when the Master Power is turned ON

Mutes the Audio when there is no source signal

Preset OSD (On-Screen Display) language at time of purchase

Blue Screen when there is no source signal

Back Jack Option

Video Mute

Audio

2ND SIF

Auto Power

Audio Mute

Start Language

Hotel Mode

Blue Screen

V-Chip

AV Option

AFN

Option

Initial

Off

STEREO

EXTERNAL

Off

English

Off

AV1/2

Off

21” FLAT

275/265/45FL

275/265/1.5FL

Item Remark

Hight Light

Low Light

White Balance

21” FLAT

Alignment and Adjustments

Samsung Electronics 2-5

2-6 Screen Change (I2C Bus Geometric Adjustment)

1 V SHIFT (VS)

2 V AMP (VA)

3 V SLOPE (VSL)

4 V SC (SC)

5 H SHIFT (HS)

2-6 Samsung Electronics

MEMO

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