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: 55
Sony
AE-1C
int col lines third way down screen
ref osc trimmer cap CT302 after checking Xtal & chip
14-09-04
Sony
AE-1C
mod for int col
caused by CT332 trimmer - remove it & fit 15pF 50v ceramic cap in place
14-09-04
Sony
AE-1C
no pic - sound ok
when A1s advanced green pic appeared - TDA4580 IC301
14-09-04
Sony
AE-1C
purity errors & geometry dist
scan coils slipped down neck of crt
14-09-04
Sony
AE-1C
KVA2522U
int switches from one channel to another
DJ on D612 and IC604
14-09-04
Sony
AE-1C
KVX2552U
int colour
replace trimmer CT332, short pin 11 of IC331 TDA4510 and adjust trimmer CT332 for near stationary colour
14-09-04
Sony
AE-1C
KVX2552U
int switch on/dead
resolder IC604 located under plastic chassis assy
14-09-04
Sony
AE-1C
KVX2942U
OSD wobbles int from side to side, set switches off
resolder 12V regulator under plastic chassis
14-09-04
Sony
AE-1C
KVX2942U
very weak sound (as if in mute)
D271 13v zener (8-719-921-88) o/c in the PSU
14-09-04
Sony
AE-1C
KVX2952U
dead, chopper Tr s/c
C611 47uF 50V, Q602 872920902
14-09-04
Sony
AE-1C
KVX2952U
flyback lines on the top
C532 100uF 50V
14-09-04
Sony
AE1-C
No col aft some time
CT302 trimmer ord code 25002CJ ?5.92 CHS
14-09-04
Sony
AE1C
4 flashes on front LED then nothing
Replaced C617 100ufd and C617 220ufd also attend to dry joints on the various regulator IC's
14-09-04
Sony
AE1C
BLANK RASTER
Q305 DTA144EK ON DECODER BOARD B
14-09-04
Sony
AE1C
Blank raster
Q305 DTA144EK sm on col dec board B
14-09-04
Sony
AE1C
Col flickers to black & white
Loss of 5v supply on board B - cct prot to 5v supply o/c
14-09-04
Sony
AE1C
Dead - Chopper FET s/c
Replace R604 150k & R610 180k & BUZ91A FET
14-09-04
Sony
AE1C
Dead - Chopper tr s/c
Replacement got hot - R651 100R sm o/c & C611 47µ was the cause
14-09-04
Sony
AE1C
Dead after poss lightening damage
Q604 s/c, R604 hi res, D609 & 619 s/c, D621 o/c, TEA2260 leaky between pins 15 & 16 (used TDA2261)
14-09-04
Sony
AE1C
Dead with leds flashing
C617 100µ
14-09-04
Sony
AE1C
Excess Width E/W Distortion TEA2031A hot
TEA2031A (on J Board) and L806
14-09-04
Sony
AE1C
Field collapse
R802 in 27v line o/c due to E-W chip IC1501shorted between 2 pins
14-09-04
Sony
AE1C
FLICKS FROM COLOUR TO B+W
NO 5v ON BOARD "B" CHECK 5v REG
14-09-04
Sony
AE1C
Goes dead after 2 flashes of led
D617 in start cct and C605 220uF
14-09-04
Sony
AE1C
Int blank raster - OSG OK
Q601 7v reg int
14-09-04
Sony
AE1C
Int col
8.8Mhz xtal
14-09-04
Sony
AE1C
INT COL FLASHING PIC
CHECK FOR DRY JOINTS ON TAGS OF SCREENING CAN
14-09-04
Sony
AE1C
Int colour
Tc1 on video pcb dry . Check screening cans etc for drys also
14-09-04
Sony
AE1C
Int colour
TDA4510 decoder chip replaced & set up ref osc by s/c pin 11 of chip to chassis & adj C332 for stationary pic
14-09-04
Sony
AE1C
Int micro lockup, child lock & sigs
Dry joints connector of EEPROM daughter board
14-09-04
page:
1
2
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : Pioneer KEX-M700SDK, M700B[1].part2
script execution: 0.14 s