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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 15
Philips
L01.1 28PT
5107
1cm noise band from top to bottom lH side of screen varies with brightness & chan
D6460 BY 228 over LOPTx
14-09-04
Sharp
Deco 4 DV5105/DV
5107
dead, no PSU output, R705 burnt
IC700 TEA1039 pin 9 leaky to pin 7, R705 3k3 0.5W fusible (RRXZ0242BMZZ), also check D705 1N4148 and Q701 BC635
14-09-04
Sharp
Deco 4 DV5105/DV
5107
won't come on from stby when remote is used, green and red LEDs flash. But it would come on Ok when mains switch is used.
R751 0.33R o/c
14-09-04
Sharp
DV5105/
5107
DEAD. R705 BURNT UP
REPLACE IC700 AND R705
14-09-04
Sharp
DV
5107
Blows MJF 1800 at switch on
Replace C713 (10uf/50V) and IC700 (TEA1039)
14-09-04
Sharp
DV
5107
Dead - blows chopper Tr at sw on
Chopper Trfmr shorted turns pins 2/7
14-09-04
Sharp
DV
5107
Will not start up : if on pic goes off & Station
Link in position of D705 D/J may never have been soldered
14-09-04
Sharp
DV
5107
H
Dead
Q702 MJF18006 s/c; 2A fuse o/c; CNX82A replaced as precaution
14-09-04
Sharp
DV
5107
H
Dead - keeps blowing LOP trs
Line drive int - replaced tbase/RGB daughter board - used board from DV5105 - physically larger but electrically works ok
14-09-04
Sharp
DV
5107
H
Dead - LED flashes red/green
LOPTx
14-09-04
Sharp
DV
5107
H
No start up - LEDs flashing red/green
HT high at 156v - LOPTfrmr & check 0R33 in psu & caps
14-09-04
Sharp
DV
5107
H
R612 FAILS FOR NO REASON
CHANGE R633 TO 2.2ohm Sharp -XZ0204BMZZ ( R633 SAME AS R612 )
14-09-04
Sharp
DV
5107
H
Reverts to st/by int
C721/ C719 10µ 50v; C722 100µ 16v; C723 4µ7 50v cured it
14-09-04
Sharp
DV
5107
H Deco 4
Dead with 2A mains fuse blown
S/C across chopper Tr was chopper trfmr s/c pins 2, & 6 but when replaced, fuse blew again due to chopper Tr MJF18006 going s/c - also worth replacing TEA1039 chopper chip IC700
14-09-04
Sharp
DV
5107
H DV5132 D
NO SYNC OR NO COL , NVM DATA COUPT
ADD 8.2v ZENER BETWEEN PINS 5 AND 8 OF IC1003 CATHODE - PIN 8 Sharp RH-EX0413BMZZ
14-09-04
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