Read Sony DVP-FX720 Service Manual online
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TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
1.
GENERAL
Precautions ................................................................... 1-1
About This Manual ........................................................ 1-1
This Player Can Play the Following Discs .................... 1-2
Preparations .................................................................. 1-2
Playing Discs ................................................................. 1-4
Enjoying DivX Videos .................................................... 1-9
Settings and Adjustments ............................................. 1-9
Hookups ........................................................................ 1-11
Additional Information ................................................... 1-12
About This Manual ........................................................ 1-1
This Player Can Play the Following Discs .................... 1-2
Preparations .................................................................. 1-2
Playing Discs ................................................................. 1-4
Enjoying DivX Videos .................................................... 1-9
Settings and Adjustments ............................................. 1-9
Hookups ........................................................................ 1-11
Additional Information ................................................... 1-12
2.
DISASSEMBLY
2-1.
UPPER COVER Block ................................................... 2-1
2-2.
MAIN Board, USB Board ............................................... 2-2
2-3.
LCD Block ...................................................................... 2-3
2-4.
LCD Board ..................................................................... 2-4
2-5.
Installation of Travers .................................................... 2-5
3.
BLOCK DIAGRAMS
3-1.
Oveall Block Diagram .................................................... 3-1
4.
SCHEMATIC DIAGRAMS
4-1.
Frame (1/2) .................................................................... 4-1
Frame (2/2) .................................................................... 4-3
Frame (2/2) .................................................................... 4-3
4-2.
DC-DC POWER ............................................................ 4-5
4-3.
MCU & KEY ................................................................... 4-7
4-4.
DVD SERVO & DSP MT1389HD .................................. 4-9
4-5.
SDRAM & FLASH ROM ................................................ 4-11
4-6.
VIDEO OUT & PANEL CONNECT ................................ 4-13
4-7.
AUDIO OUT ................................................................... 4-15
4-8.
T-CON ............................................................................ 4-17
4-9.
KEY & HALL SW ........................................................... 4-19
4-10. USB PORT & MODE SW .............................................. 4-21
5.
PRINTED WIRING BOARDS
5-1.
Circuit Boards Location ................................................. 5-1
5-2.
MAIN Board ................................................................... 5-3
5-3.
LCD Board ..................................................................... 5-7
5-4.
KEY Board ..................................................................... 5-9
5-5.
USB Board ..................................................................... 5-9
6.
WAVEFORMS AND CIRCUIT VOLTAGE
6-1.
Waveforms ..................................................................... 6-1
6-2.
Circuit Voltage Chart ..................................................... 6-5
7.
IC PIN FUNCTION DESCRIPTION
7-1.
MPEG/DSP/RF Pin Function
(MAIN Board U3: MT1389HD) ...................................... 7-1
(MAIN Board U3: MT1389HD) ...................................... 7-1
7-2.
FRONT MICOM Pin Function
(MAIN Board U2: Z8F0822) .......................................... 7-7
(MAIN Board U2: Z8F0822) .......................................... 7-7
8.
ELECTRICAL ADJUSTMENT
8-1.
Standard Video Level .................................................... 8-1
8-2.
VCOM DC Level ............................................................ 8-1
9.
TROUBLESHOOTING
9-1.
Electrical Trouble Shooting Guide ................................. 9-1
1.
Power (DC-DC Converter) Circuit ................................. 9-1
2.
MPEG Circuit ................................................................. 9-3
3.
Front Circuit (Dogotrpm & Key) ..................................... 9-4
4.
RF/Servo Circuit ............................................................ 9-5
9-2.
LCD Trouble Shooting Guide ........................................ 9-6
10.
REPAIR PARTS LIST
10-1. Exploded Views ............................................................. 10-1
10-1-1. Main Block ................................................................ 10-1
10-1-2. LCD Block ................................................................. 10-2
10-1-2. LCD Block ................................................................. 10-2
10-2. Electrical Parts List ....................................................... 10-3
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