Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo Video-DVD DAEWOO_DPT-2500N_Portable_TFT
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S/M No. : PT2500N001
Service Manual
Model: DPT-2500N
Caution
: In this Manual, some parts can be changed for improving,
their performance without notice in the parts list. So, if you
need the latest parts information, please refer to PPL(Parts
Price List) in Service Information Center
JUL. 2007
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 (-)
4 3. CHANNEL (+)
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
SECTION4.SHEMATIC DIAGRAM
5
1 2 3 4 5 6
R532 100 D16
R538 100 C517 .1
D4
R2 52 5 60
R238 330K R236 680K R540 100 D6
R2 41 1 0K R2 40 3 9K
R253 R539 100
R2 32 1 K
R2 51
D5
5 60
560 C234 R231 C215 10U/16V
1/50 1K
1 U R2 33
C203 C232 R541 100
5 60
C528 C526 C527 C525 D20
D 0.01 .0068 C233 C217 10/16V D
.01 220P 220P 220P 220P
R2 42 1 M
1U
1U
C200 C219 10/16V D13
100P C227
D1
C2 14
C2 16
C2 18
L201 1U
H FIL TE R
18UH
GND
ST H L
V CC
2 1 6 4547 46 48 38 37 36 19 20 21 22 23 24 R2.5 NC
R1 .8 N C
AGC FIL T E R
R1.8
AGC OUT
PICTURE
SYNC OUT
B DC DET
B OUT
SYNC SEP
COL OR
0
G DC DET
R DC DET
R219
T RAP
C201 10/16V 3
CLAMP
SYNC IN
26
G OUT
R OUT
22
19
18
14
13
24
23
21
20
17
16
15
VIDEO IN BLK R2.5 0
R237 18K 44 0
ST H R
T E ST
29
CK 3 A
CK 2 A
T E ST
CK 1 A
CK V
RC2
36 35 34 33 32 31 30 29 28 27 26 25
9 10 11 12
PD <->
F ADJ FRP OSC/O VCC
32 R45 560
C208 .1 5
BRIGHT R537 100 D18 D1
GND OSC/I STHL
R254 C226 STV2 1
.01 47K D2 OEH
27K 11 28 R223 22k R222 D22 D3 QIH
2
R211 1M ACC FILTER SUB BRIGHT B R220 47K VSYO STV1 3
R536 D4 CPH1
C223 4
.01 D5 CPH2
R255 R215 C212 .47 15 27 R221 22k TEST A18(RC1) C523 100 D6 CPH3
5
39K APC FILTER SUB BRIGHT R R209 10k 220P 6
RESET D7 GND
5K6 IC201 Q1HA 7
8
C213 C222 .01 D8 B
R216 R210 22k IC501 C524 8
.01 IR3Y31 10 V SYNC IN D9 G
8K2 R227 22k 9
7
RGB AMPLITUDE GND 220P
R256 14 UPS015 D10 R
VCO IN C207 10
10K 10-20-0129 .01 R22839k D11 NC
10-10-1053 11
6
C 31 UD TEST D12 L/R C
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