DVD-S520/DV-S5450
DVD-S520/DV-S5450
NO
YES
START
END
NO
YES
NO
NO
YES
YES
PM3380B
ch1
CH11.00V~MTB5
1
TP13: ANALOG OUTPUT AUDIO L/R DURING NUCLEI "AudioSine"
NO SOUND OUTPUT
ON AUDIO CINCH
1005B/C (U, C, A, R, T, P)
AND SINGLE
SCART 1002 (B, G)
ACTIVATE
DIAGNOSTIC
SOFTWARE
“ PLAYER SCRIPT “
CHECK
POWER SUPPLY
3V3_A and 3V3_D
TO DAC ?
CHECK
AUDIO I2S
SIGNAL TO DAC
?
CHECK
DAC OUTPUT
AT TP12
?
CHECK
AUDIO CINCH
OUTPUT->TP 13
?
SOUND ON
AUDIO CINCH 1005
OK
To activate the "Player Script ", connect to MAINS
while pressing Open/Close and Stop keys on the
local keyboard of the DVD player simultaneously.
Proceed to the nuclei "AudioPinkNoise" by pressing
NEXT key until display shows "APP SND-1" and
seconds later it show " Scart DVD ".
Check I2S signal at testpoints 7 , 8 , 9 , 10
Check the Flex cable to connector 1010
Check Mono Board
Check supply voltages at connector 1010
Pin 9 -> -5Vstdby
Pin 10/11 -> +5V
Check 3V3 regulator 7203 and safety resistor 3209 ,
3237
Check the delay cct 7512 , 3238 , 3239 , 2237
Check the Flex cable to connector 1010
Check Mono Board
•
•
•
•
•
Check KILL signal at Pin 12 connector 1010
Audio mute OFF-> -8V
±
10%
Check for malfunction of KILL transistor 7501 , 7502 ,
7504 , 7506 , 7507
Check
±
5V supply to OP-AMP 7201
Check gain configuration of OP-AMP 7201
Check for malfunction of OP-AMP 7201
Check Mono Board
•
•
•
•
•
•
•
•
•
•
•
Check Vref-DAC on Pin 12 of DAC IC 7200
-> 1V6
Check for malfunction of DAC IC 7200
•
•
■
TROUBLESHOOTING
1. TROUBLESHOOTING AV BOARD
Testing of AV board can be done using diagnostic software “PLAYER SCRIPT”.
MONO board is used to generate a sound with the sound tests SND-1 and SND-2 or a VIDEO signal with the picture
PIC-1. See description in the chapter of “DIAGNOSTIC SOFTWARE: SCRIPT INTERFACES”.
AUDIO PART OF AV BOARD (ANALOG)
22
