Philips DVDR3350H Service Manual page 15

5.3 Repair Chart
5.3.1 Completely Dead Set
Check all cable connections
for visible disconnections
or loose connections
Check Voltage at Digital Board Connector 1501
Pin 1=3.30v
Pin 2 =3.30v
Pin 3 =3.30v
Pin 4 =3.30v
Pin 6 =12.00v
Pin 9 =5.00v
Pin 12 =-5.00v
Check Voltage at Analog Board Connector 1400
Pin 1 = 12.00v
Pin 3 = 5.00 v
Pin 5 = 3.30v
Pin 7 = -5.00v
Pin 9 = 32.00v
Pin 11 = -26.00v
Check Voltage at PSU Connector J5
Pin 1 = 12.00v
Pin 4 = 5.00v
Check voltage at Analog Board Connector 1803
Pin 10 = 5.00v
Pin 13 = -26.00v
Pin 14 = 12.00v
Check Voltage at PSU Connector J6
Pin 1 = 12.00v
Pin 4 = 5 00v
Touch up soldering on SDRAM (item 7211 & 7231 on
Digital Board)
Upgrade Software & Repair Chart
Visible problems with
connections
Fix the cable connections
No visible problems with
connections
NOK
OK
NOK
OK
NOK
OK
NOK
OK
NOK
OK
NOK
3139 785 31500
NOK
Replace Digital
Board
NOK
Replace
Analog Board
NOK
Replace Drive
Replace Front
Panel
Replace Hard
Disk (After
replacing Hard
Disk, reinstall the
Software for the
Hard Disk
portion)
Replace SDRAM (item 7211 & 7231 on Digital
Board)
NOK
Replace Hard Disk (After replacing Hard Disk,
reinstall the Software for the Hard Disk portion)
5. EN 15
Replace
Power
Supply
Unit