DAEWOO DPT-2500N Service Manual

TABLE OF CONTENTS

SECTION

1.

CONTROL AND FUNCTION............................................................................

2

SECTION

2.

BLOCK DIAGRAM...........................................................................................

3

SECTION

3.

TROUBLE SHOOTING FLOW CHART...........................................................

4

SECTION

4.

SHEMATIC DIAGRAM.....................................................................................

5

SECTION

5.

CABINET EXPLODE VIEWS………................................................................7

SECTION

6.

PARTS LIST………..........................................................................................9

Many electrical and mechanical parts in this chassis have special safety characteristics.

These characteristics often pass unnoticed and protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage , wattage ,etc.

Replacement parts that have these special safety characteristics are identified in this manual.

And its supplements, electrical components having such features are identified by in the parts List.

Before replacing any of these components , read the parts list in this manual carefully. The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock , fire , or other hazards.

1

SECTION1. CONTROL AND FUNCTION

1

 

 

 

 

2

 

 

FRONT VIEW

 

 

 

 

 

3

 

 

 

 

1.

PANEL

 

 

 

 

 

 

2.

CHANNEL (-)

 

 

 

3.

CHANNEL (+)

4

 

 

 

 

 

4.

BATTERY COVER

 

 

 

5

BACK VIEW

5. ANTENNA

6. STAND

6

7

 

LEFT VIEW

 

7. UHF/VHF

8

8. AV IN

 

9. PHONE

9

 

10

 

RIGHT VIEW

 

10. BRIGHTNESS

11

11. VOLUME

 

12. DC 6V

12

 

2

SECTION2. BLOCK DIAGRAM

3

SECTION3. TROUBLE SHOOTING FLOW CHART

A:

NO Raster

YES

Check DC input jack Check battery power (6V)

NO

Check back-light connection wire

NO

Check Q401,Q402 Collector output (5.4V)

NO

Check T401 Hi-Voltage output 230Vrms

B:

NO Sound

YES

Check speaker wire connection

NO

Check IC104 pin6 Vcc (6V)

NO

Check IC104 Voltage

4

DAEWOO DPT-2500N Service Manual

SECTION4.SHEMATIC DIAGRAM

5

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