Samsung CS-21Z57MN Bedienungsanleitung

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■Ultra Slim Fit CRT

■

■Multi Wide System

■LNA Plus(Low Noise Amplifier)

■

■Turbo Plus

■Low Stand-By Power Wattagee

■SOUND Equalizer

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CS-21Z57MN

Refer to the service manual in the GSPN (see the rear cover) for the more information.

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. May. 2007

Printed in Korea

AA82-04615A

Area Web Site

North America service.samsungportal.com

Latin America latin.samsungportal.com

CIS cis.samsungportal.com

Europe europe.samsungportal.com

China china.samsungportal.com

Asia asia.samsungportal.com

Mideast & Africa mea.samsungportal.com

GSPN (Global Service Partner Network)

Table of Contents

Chapter 1 Precaution

■1-1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

■1-2 Servicing Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

■1-3 Static Electricity Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

■1-4 Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Chapter 2 Product Specification

■2-1 Product Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

■2-2 Key Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

■2-3 Specifications Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

■2-4 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Chapter 3 Alignment & Adjustment

■3-1 Service Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

■3-2 How to Access Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

■3-3 Factory Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

■3-4 Service Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

■3-5 Software Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

■3-6 Replacements & Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Chapter 4 Exploded View & Part List

■4-1 CS21Z57MNLXXSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Chapter 5 Electrical Part List

■5-1 CS21Z57MNLXXSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Chapter 6 Troubleshooting

■6-1 Checkpoints by Error Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

■6-2 Trouble-shooting with New Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

■6-3 Troubleshooting Procedures by Error Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Chapter 7 Block Diagram

■7-1 Overall Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

■7-2 Partial Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Chapter 8 Wiring Diagram

■8-1 Overall Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

■8-2 Pin Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

Chapter 9 PCB Diagram

■9-1 Main Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1

■9-2 CRT Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

Chapter 10 Schematic Diagram

■10-1 POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

■10-2 MAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2

■10-3 CRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3

■10-4 SOUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4

Chapter 11 Operation Instruction & Installation

■11-1 Product Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1

Chapter 12 Disassembly & Reassembly

■12-1 Overhaul Disassembly & Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1

Chapter 13 Circuit Description

■13-1 Circuit Key Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1

Chapter 14 Reference Information

■14-1 Other issues related to other products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-1

■14-2 Technical Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3

1. Make sure all protective devices are properly installed

including non-metallic handles and compartment covers

when installing or re-installing the chassis or chassis

assemblies.

2. Make sure that no gaps exist between the cabinets for

children to insert their fingers in to prevent children from

receiving electric shocks. Gaps mentioned above include

ventilation holes of a too great magnitude between the

vaccum tube and the cabinet mask, and the improper

installation of the rear cabinet.

Errors may occur when the resistance is below 1.0 ㏁or

over 5.2 ㏁.

In these cases, make sure that the device is repaired

before sending it back to the customer.

3. Check for Electricity Leakage (Figure 1-1)

Warning: Do not use an insulated transformer for check-

ing the leakage. Use only those current leakage testers

or mirroring systems that comply with ANSIC 101.1 and

the Underwriter Laboratory's specifications (UL1410,

59.7).

Fig. 1-1 AC Leakage Test

4. A high voltage is maintained within the specified limits

using safety parts, calibration and tolerances. When

voltage exceeds the specified limits, check each special

part.

5. Warning for Engineering Changes:

Never make any changes or additions to the circuit

design or the internal part for this product.

Ex: Do not add any audio or video accessory

connectors. This might cause physical damage.

Furthermore, any changes or additions to the original

design/engineering will invalidate the warranty.

6. Warning - Hot Chassis:

Some TV chassis are directly connected to one end of

the AC power cord for electrical reasons.

Without insulated transformers, the product can only be

repaired safely when the chassis is connected to the

earthed end of the AC power source.

To make sure the AC power cord is properly connected,

follow the instructions below. Use the voltmeter to

measure the voltage between the chassis and the

earthed ground. If the measurement is over 1.0V, unplug

the AC power cord and change the polarity before re-

inserting it. Measure the voltage between the chassis

and the ground again.

7. Some TV chassis are shipped with an additional

secondary grounding system. The secondary system is

adjacent to the AC power line. These two grounding

systems are separated in the circuit using an

unbreakable/unchangeable insulation material.

8. When any parts, material or wiring appear overheated or

damaged, replace them with new regular ones

immediately. When any damage or overheating is

detected, correct this immediately and make a regular

check of possible errors.

9. Check for the original shape of the lead, especially that

of the antenna wiring, any sharp edges, the AC power

and the high voltage power. Carefully check if the wiring

is too tight, incorrectly placed or loose. Never change the

space between the part and the printed circuit board.

Check the AC power cord for possible damages. Keep

the part or the lead away from any heat-emitting

materials.

Precaution

Samsung Electronics 1-1

LEAKAGE

CURRENT

TESTER

DEVICE

UNDER

TEST

TEST ALL

EXPOSED METAL

SURFACES

2-WIRE CORD

ALSO TEST WITH

PLUG REVERSED

(USING AC ADAPTER

PLUG AS REQUIRED) EARTH

GROUND

(READING SHOULD

NOT BE ABOVE

0.5mA)

To avoid possible damages or electric shocks or exposure to radiation, follow the instructions below with regard to safety,

installation, service and ESD.

1. Precaution

1-1 Safety Precautions

10. Safety Indication:

Some electrical circuits or device related materials

require special attention to their safety features, which

cannot be viewed by the naked eye. If an original part is

replaced with another irregular one, the safety or

protective features will be lost even if the new one has a

higher voltage or more watts.

Critical safety parts should be bracketed with ( ).

Use only regular parts for replacements (in particular,

flame resistance and dielectric strength specifications).

Irregular parts or materials may cause electric shock or

fire.

Precaution

1-2 Samsung Electronics

1. The service instructions are printed on the cabinet, and

should be followed by any service personnel.

2. Make sure to unplug the AC power cord from the power

source before starting any repairs.

(a) Remove or re-install parts or assemblies.

(b) Disconnect the electric plug or connector, if any.

capacitor.

3. Some parts are placed at a higher position than the

printed board. Insulated tubes or tapes are used for this

purpose. The internal wiring is clamped using buckles to

avoid contact with heat emitting parts. These parts are

installed back to their original position.

4. After the repair, make sure to check if the screws, parts

or cables are properly installed. Make sure no damage is

caused to the repaired part and its surroundings.

5. Check for insulation between the blade of the AC plug

and that of any conductive materials (i.e. the metal

panel, input terminal, earphone jack, etc).

6. Insulation Check Process: Unplug the power cord from

the AC source and turn the switch on. Connect the insu-

lating resistance meter (500v) to the AC plug blade.

The insulating resistance between the blade of the AC

plug and that of the conductive material should be more

than 1 ㏁.

7. Any B+ interlock should not be damaged.

If the metal heat sink is not properly installed, no

connection to the AC power should be made.

8. Make sure the grounding lead of the tester is connected

to the chassis ground before connecting to the positive

lead. The ground lead of the tester should be removed

last.

9. Beware of risks of any current leakage coming into

contact with the high-capacity capacitor.

10. The sharp edges of the metal material may cause

physical damage, so ensure wearing protective gloves

during the repair.

Precaution

Samsung Electronics 1-3

Warning 1: First carefully read the "Safety Instruction" in this service manual.

When there is a conflict between the service and the safety instructions, follow the safety instruction at all times.

Warning 2: Any electrolytic capacitor with the wrong polarity will explode.

1-2 Servicing Precautions

1-3 Static Electricity Precautions

1. Some semi-conductive ("solid state") devices are

vulnerable to static electricity. These devices are known

as ESD. ESD includes the integrated circuit and the field

effect transistor. To avoid any materials damage from

electrostatic shock, follow the instructions described

below.

2. Remove any static electricity from your body by

connecting the earth ground before handling any

semi-conductive parts or ass'ys. Alternatively, wear a

dischargeable wrist-belt.

(Make sure to remove any static electricity before

connecting the power source - this is a safety instruction

for avoiding electric shock)

3. Remove the ESD ass'y and place it on a conductive

surface such as aluminum foil to prevent accumulating

static electricity.

4. Do not use any Freon-based chemicals.

Such chemicals will generate static electricity that

causes damage to the ESD.

5. Use only grounded-tip irons for soldering purposes.

6. Use only anti-static solder removal devices.

Most solder removal devices do not support an

anti-static feature. A solder removal device without an

anti-static feature can store enough static electricity to

cause damage to the ESD.

7. Do not remove the ESD from the protective box until the

replacement is ready. Most ESD replacements are

covered with lead, which will cause a short to the entire

unit due to the conductive foam, aluminum foil or other

conductive materials.

8. Remove the protective material from the ESD

replacement lead immediately after connecting it to the

chassis or circuit ass'y.

9. Take extreme caution in handling any uncovered ESD

replacements. Actions such as brushing clothes or lifting

your leg from the carpet floor can generate enough static

electricity to damage the ESD.

Precaution

1-4 Samsung Electronics

CAUTION

These servicing instructions are for use by

qualified service personnel only.

To reduce the risk of electric shock do not

perform any servicing other than that contained in the

operating instructions unless you are qualified to do so.

Precaution

Samsung Electronics 1-5

1-4 Installation Precautions

1. For safety reasons, more than two people are required

for carrying the product.

2. Keep the power cord away from any heat emitting

devices, as a melted covering may cause fire or electric

shock.

3. Do not place the product in areas with poor ventilation

such as a bookshelf or closet. The increased internal

temperature may cause fire.

4. Bend the external antenna cable when connecting it to

the product. This is a measure to protect it from being

exposed to moisture. Otherwise, it may cause a fire or

electric shock.

5. Make sure to turn the power off and unplug the power

cord from the outlet before repositioning the product.

Also check the antenna cable or the external connectors

if they are fully unplugged. Damage to the cord may

cause fire or electric shock.

6. Keep the antenna far away from any high-voltage cables

and install it firmly. Contact with the high-voltage cable or

the antenna falling over may cause fire or electric shock.

7. Check the basics of the screen test.

- Image position/size, Tilt adjustment

1-6 Samsung Electronics

MEMO

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