Protable DVD Service Manual
Service Manual
DPD-7800N ProtableDVD
Contents
Ⅰ、DPD-7800N WHOLE FUNCTION BLOCKS DIAGRAM Ⅱ、DPD-7800N CHECK FLOW CHART
1、...
Description
Service Manual
DPD-7800N ProtableDVD
Contents
Ⅰ、DPD-7800N WHOLE FUNCTION BLOCKS DIAGRAM Ⅱ、DPD-7800N CHECK FLOW CHART
1、 TFT CHECK FLOW CHART 2、 MT1379、MT1336 SYSTEM FLOW CHART Ⅲ 、 MT1379 、 MT1336 FUNCTION BLOCKS DIAGRAM AND PIN DESCRIPTIONS 1、 MT1379、MT1336 SCHEMATIC DIAGRAM 2、 MT1379、MT1336 PIN DESCRIPTIONS
1) MT1379 PIN DESCRIPTIONS 2) MT1336 PIN DESCRIPTIONS Ⅳ、MT1379、MT1336 WAVEFORM OF THE CONTROL SIGNAL Ⅴ、MP1410、AAT1102 PIN DESCRIPTIONS 1、MP1410 PIN DESCRIPTIONS 2、AAT1102 PIN DESCRIPTIONS
Ⅰ、DPD-7800N WHOLE FUNCTION BLOCKS DIAGRAM
Ⅱ、DPD-7800N CHECK FLOW CHART 1、 TFT CHECK FLOW CHART
TFT CHECK START
TFT OFF
CHECK
THE
SWITCH(SW2)IS
OK?
YES
CHECK BACK PIPE HIGH VOLTAGE IS OK?
YES
TEST
DRIVE
CIRCUIT VOLTAGE IS OK?
YES
U1 、 U2 SIGNAL CIRCUIT IS OK?
YES CHANGE THE TFT PARTS
NO CHECK THE SWITCH(SW2) IS OK
NO CHECK HIGH VOLTAGE CIRCUIT
NO CHECK 5V 、 3.33V、15V
NO CHECK U1 U2 AND SIGNAL OUTPUT INPUT CIRCUIT
2、 MT1379、MT1336 SYSTEM FLOW CHART
Ⅲ 、 MT1379 、 MT1336 FUNCTION BLOCKS DIAGRAM AND PIN DESCRIPTIONS
1、 MT1379、MT1336 SCHEMATIC DIAGRAM
2、 MT1379、MT1336 PIN DESCRIPTIONS 1)MT1379 PIN DESCRIPTIONS
TP7 1 FOSO TP8 1 TRSO
TP9 TP10
TP11
1 DMSO 1 FMSO
1 FG
RFRPC TP1 1 RFRPC
1 HTRC TP2
HTRC
V1P4
R86 R87 R88
CB36 0.1uF
100k R 0
+ C67 10uF
NEAR PIN 212 AV33
CB40 0.1uF
CB41 0.1uF
+ C70 10uF
V2P8 CB39 0.1uF
+ C69 10uF
AV33
R93 4.7
RFON RFOP
TP3 TP4
1 RFON C73 1 RFOP C74
1000pF 1000pF
RFIN RFIP
+ C75 47uF
C76 100p
CB44 0.1uF
C77 1uF
8K2 C79 C81 C82
C...
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