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
Hitachi
CS2
552
TA
no cold start
C622 470µ 16v
14-09-04
Nokia
552
4FX
Contrast weak
CF25 100nF sm s/c, Diode VF08 LL4148 & CD42 faulty
14-09-04
Nokia
552
4FX
Dead
Line driver tr o/c (blasted), fitted BC327 (pnp) in lieu
14-09-04
Nokia
552
4UK FX
Dead then Slow start up from cold
CO33 10µ 160v HT reservoir cap
14-09-04
Nokia
5
552
Dead - shows 2 dashes when switched on
Flashing green LED when brought out of st/by; will not run on dummy load unless c-e of T742 are s/c (Follow pin 2 of IC742). (When psu is run on dummy load it is normal to get no front display & flashing G LED) Fault was D502 leaky
14-09-04
Philips
G90AE 21GR2
552
PSU shutting down with popping sound. LEDs flashing
HT going down to 20-30V and tripping due to DJ on SMD R3663
14-09-04
Philips
L6.1 20PT1
552
Contrast poor
TDA8361
14-09-04
Roadstar
CTV
552
Dead
Check CP22 & 30 100µ & RP04 & 05 180k. QP01 2SA1012 - use BD224C in lieu. ZP06 6v8 zener & RV01 4R7 & ICV1 TDA3653
14-09-04
Sony
AE-1C KVX2
552
U
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 KVX2
552
U
int switch on/dead
resolder IC604 located under plastic chassis assy
14-09-04
Sony
AE1C KVX2
552
U
Loud crackle int & pic goes off
Check dry joints IC604 & D612 located under strut
14-09-04
Sony
KVX2
552
U
Hum bar effect in background - ok on scart
Dry joint on reg near front of pcb over plastic support pillar that needs cutting to gain access
14-09-04
Toshiba
2
552
DB
Dead aft storm
STRS6708 in psu, opto coupler & error amp Q827 S1854FA, E/W chip Q302 TA8859AP
14-09-04
Toshiba
2
552
DB
no pic, no operation from remote or front controls
if protector ZP82 1A (23144452) o/c, suspect faulty tuner
14-09-04
Toshiba
2
552
DB
NO PICTURE OR REMOTE FUNCTIONS
IF ZP82 O/C REPLACE IT AND TUNER
14-09-04
Toshiba
2
552
DB
No sigs
Check for dry joints around tuner/IF
14-09-04
Toshiba
2
552
DB
Pic int goes to blank raster
Service sw S202 int
14-09-04
page:
1
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : TESLA bm215
script execution: 0.13 s