Schematics 4 Free
Service manuals, schematics, documentation, programs, electronics, hobby ....
◦
register
◦
send pass
S
earch
B
rowse
U
pload
W
anted
D
atasheets
C
hassis2model
R
epair tips
F
ulltext search
C
ables & Connectors
R
epair tips
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: 711
Sharp
DV5103H
Dead with blackened mians fuse
R700 surge lim res 8R2 o/c - caused by s/c chopper trfmr pri
14-09-04
Sharp
DV5103H
Dead with HT present
Q509 BC635 & Q510 BC338 in field tb leaky - also check C236/C502
14-09-04
Sharp
DV5103H
Dead with the 2A fuse and 8R2 , 7W surge limiter
The cause can be a short circuit in the chopper transformer , between the primary winding and earth.
14-09-04
Sharp
DV5103H
Reverts to st/by at sw on
113v HT high at 170v as CNX82A opto coupler faulty - also check R754 150k
14-09-04
Sharp
DV5103H
St/by only - LED remains red
113v HT = 185v; R753 & R781 39k o/c
14-09-04
Sharp
DV5103H Euro DS1
Slow start up with Q700 BF487 in start up cct overheating
C707 22µ 50v & C713 1µ 50v
14-09-04
Sharp
DV5103H/DV5903 D3000
Chrom info out of register with lum
Small plug in non volatile memory chip IC1411 on digital PCB
14-09-04
Sharp
DV5105
Dead , the chopper transistor Q702 was short-circu
After replacing these items and the TDA1039 chopper control chip IC700 tbe set worked normally.
14-09-04
Sharp
DV5105/5107
DEAD. R705 BURNT UP
REPLACE IC700 AND R705
14-09-04
Sharp
DV5105H
Dead except LED rapidly fashes Green
HT high at 150v (110v) R715 0R33 1w had risen to 0R5 (pin 13 chopper tfmr)
14-09-04
Sharp
DV5105H
Dead with green LED flashing
R715 pin 13 chopper tfmr risen from 0R33 to 1R
14-09-04
Sharp
DV5105H
NO S/V BUT GREEN LED LIT
CHECK R751 0.33ohm 1W
14-09-04
Sharp
DV5105H
No sound
0R33 fusible o/c - RH spkr s/c & coupling cap int
14-09-04
Sharp
DV5105H
No sound or vis - crt htrs lit - int reverts to st/by
Field coll noticed when A1 advanced - R612 2R2 safety feed to field chip o/c
14-09-04
Sharp
DV5105H
No st/by
Chopper trfmr hi res on 5v winding
14-09-04
Sharp
DV5105H
REPLACING LOPT . ALTERNATIVE PART NOW SUPPLIED . P
A HOLE WILL NEED TO BE DRILLED IN PCB TO MOUNT PIN 11 OF NEW TYPE LOPT ( THIS WILL THEN NEED SOLDERING TO SUOUNDING PRINT )
14-09-04
Sharp
DV5105H
Reverts to st/by aft 1 sec
R612 o/c
14-09-04
Sharp
DV5105H
St/by only - LEDs flash red/Green
R751 0R33 safety res in 7v supply o/c
14-09-04
Sharp
DV5105H
St/by only with red/breen led flickering
Micro IC1004 reset chip osc; D1005 replace with link, R1053 replace with a 1k res
14-09-04
Sharp
DV5107
Blows MJF 1800 at switch on
Replace C713 (10uf/50V) and IC700 (TEA1039)
14-09-04
Sharp
DV5107
Dead - blows chopper Tr at sw on
Chopper Trfmr shorted turns pins 2/7
14-09-04
Sharp
DV5107
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
DV5107H
Dead
Q702 MJF18006 s/c; 2A fuse o/c; CNX82A replaced as precaution
14-09-04
Sharp
DV5107H
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
DV5107H
Dead - LED flashes red/green
LOPTx
14-09-04
Sharp
DV5107H
No start up - LEDs flashing red/green
HT high at 156v - LOPTfrmr & check 0R33 in psu & caps
14-09-04
Sharp
DV5107H
R612 FAILS FOR NO REASON
CHANGE R633 TO 2.2ohm Sharp -XZ0204BMZZ ( R633 SAME AS R612 )
14-09-04
Sharp
DV5107H
Reverts to st/by int
C721/ C719 10µ 50v; C722 100µ 16v; C723 4µ7 50v cured it
14-09-04
Sharp
DV5107H 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
DV5107H 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
page:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : . Various Panel HannStar HSD150SX87-A 0 [DS]
script execution: 0.13 s