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: 17
Logik
4
294
TX
Sound - low or distorted.
Adj coil next to sound o/p IC
14-09-04
Sony
AE-1C KVX
294
2U
OSD wobbles int from side to side, set switches off
resolder 12V regulator under plastic chassis
14-09-04
Sony
AE-1C KVX
294
2U
very weak sound (as if in mute)
D271 13v zener (8-719-921-88) o/c in the PSU
14-09-04
Sony
AE-2B KVA
294
2U
dead, no 300V supply
R614 18k 3W o/c on LOPTx pin 8 (121648811)
14-09-04
Sony
AE-2B KVA
294
2U
sound cuts out after 20-30 min, pic Ok
R626 27R 0.25W safety gone high
14-09-04
Sony
AE-2F KV
294
2U
no power
C609 22uF 25V
14-09-04
Sony
AE2A KVE
294
2U
Dead
LOPTr 2SC4927 s/c replaced gave 13 flashes of LED. FOP chip TDA8179S cured that then excess width - Q806 2SK1916 leaky
14-09-04
Sony
AE2B KVA
294
2U
Int sound
Check R627 22R fusible on K1 panel for high res
14-09-04
Sony
AE2B KVA
294
2U
Int won't come out of st/by
Plug in board K1 was the cause - reqd 2 x TDA2052 Ics
14-09-04
Sony
AE2F KVS
294
2U
Int pic, low HT of 80v
Check R641 & R642 1M, C609 22uF on PSU R848 220K main board
14-09-04
Sony
KVA
294
2S
FOR VERTICAL SHIFT AND HEIGHT PROBLEMS
ENTER SERVICE MODE AND MAKE SURE "GEOMETRY SET" IS OFF
14-09-04
Sony
KVA
294
2U
Vol intermittent
R627 27R hi res
14-09-04
Sony
KVX
294
1D
Sony KVX2941D TV. It switches intermittently from the selected program to 00, than back, for a few times and finally remains on 00. Could anybody help please!
change the memory
27-06-05
SONY
KVX
294
2
INT NO SOUND FROM SURROUND SPEAKERS
REPLACE R627 IN POWER SUPPLY 270 OHM
14-09-04
Sony
KVX
294
2
INT NO SOUND FROM SURROUND SPEAKERS
REPLACE R627 IN POWER SUPPLY
14-09-04
Sony
KVX
294
2U
Dead (mains cap stays charged)
check 3 zeners in series D619/621/609 all 33V (in PSU primary) 2 were o/c
14-09-04
Sony
KVX
294
2U
GRAPHICS WOBBLE FROM SIDE TO SIDE
RESOLDER 12V REGULATOR UNDER PLASTIC CRADLE
14-09-04
page:
1
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : elenco SG9500
script execution: 0.10 s