Onkyo DT 9904 S Service Manual
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Extracted text from Onkyo DT 9904 S Service Manual (Ocr-read)
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SERVICE MANUAL
DT9904S
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CONTENTS
1- SAFETY PRECAUTIONS ................................................................................ 1
2. PREVENTION OF ELECTRO STATIC DISCHARGE(ESD)TO ELECTROSTATICALLY
SENSITIVE(ES)DEV|CES ............................................................................. 1
3. CONTROL BUTTON LOCATIONS AND EXPLANATIONS --------------------------------------- 2
4. PREVERTION OF STATIC ELECTRICITY DISCHARGE ----------------------------------------- 3
5. ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT ----------------------------------- 4
5.1 OPTICAL PICKUP UNIT EXPLOSED VIEW AND PART LIST ----------------------------------- 4
5.2 BRACKET EXPLOSED VIEW AND PART LIST ----------------------------------------- 6
5_3 MISCELLANEOUS ......................................................................................... 7
C ELECTRICAL CONFIRMATION ......................................................................... 8
6.1 VIDEO OUTPUT (LUMINANCE SIGNAL) CONFIRMATION ........................................ 8
6.2 VIDEO OUTPUT(CHROM|NANCE SIGNAL) CONFIRMATION ................................... 9
7_ MPEC BOARD CHECK WAVEFORM .................................................................... 1O
8. AM29LV16OD .......................................................................................... 11
8.1 HY57V641620HG .......................................................................................... 16
82 MT1389 .......................................................................................... 19
8.3 CD4052B .......................................................................................... 22
9_ SCHEMATIC & PCB WIRING DIAGRAM ............................................................. 26
10- SPARE PARTS LIST ...................................................................................... 39
11 . APPEND|X_AM/FM Tuner Specificadtion ........................................................... 45