DAEWOO DPT-2500N Service Manual
TABLE OF CONTENTS
SECTION 1.
SECTION 2.
SECTION 3.
SECTION 4.
SECTION 5.
SECTION 6.
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
CONTROL AND FUNCTION............................................................................2
BLOCK DIAGRAM...........................................................................................3
TROUBLE SHOOTING FLOW CHART...........................................................4
SHEMATIC DIAGRAM.....................................................................................5
CABINET EXPLODE VIEWS………................................................................7
PARTS LIST………..........................................................................................9
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
4
5
1. PANEL
2. CHANNEL (-)
3. CHANNEL (+)
4. BATTERY COVER
BACK VIEW
5. ANTENNA
6
6. STAND
7
LEFT VIEW
7. UHF/VHF
8
9
10
8. A V IN
9. PHONE
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
B:
Check T401 Hi-Voltage output
230Vrms
NO Sound
YES
Check speaker
wire connection
NO
Check IC104 pin6 Vcc
(6V)
NO
Check IC104 Voltage
4
SECTION4.SHEMATIC DIAGRAM
5
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