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: 12
Toshiba
2505DB
Dead with Audio Amp chips blasted
Check chopper Tx - may have s/c across windings supplying audio stage
14-09-04
Toshiba
2505DB
Field - partial collapse
C372 2µ 50v under IC371 had leaked & caused conductive path on pcb. Clean & replace C372
14-09-04
Toshiba
2505DB
FIELD COLLAPSE WITH 4-5 FLYBACK LINES ABOVE THE LI
IC371 TA8739P Pt No BO383680
14-09-04
Toshiba
2505DB
int blue mute screen
dry joints tuner
14-09-04
Toshiba
2505DB
Int loss of signals
Dry joint 4Mhz Xtal in tuner
14-09-04
Toshiba
2505DB
INT PICTURE DISAPPEARS SCREEN GOES TO BLUE MUTE
XTAL IN TUNER PRESCALER DRY
14-09-04
Toshiba
2505DB
, 2805DB
WONT COME OUT OF SBY AT POWER ON VOLTS ON PIN 37 O
ICA07 MEMORY CHIP ( Toshiba 23319016 )
14-09-04
Toshiba
2505DB
T
BLANK RASTER , NO SOUND , NO REMOTE FUNCTIONS
CHECK QV22 FOR DRYS ON BACK TERMINAL PCB
14-09-04
Toshiba
2505DB
T
Field - lack of height with wavering pic
C317 2µ2 50v in fback network
14-09-04
Toshiba
2505DB
T
INT MOTORBOATING FROM ALL SPEAKERS IN SBY . CHECK
MOVE GREEN WIRE FITTED BETWEEN SOCKET M002A PIN C AND M002B PIN C TO FIT BETWEEN M002A PIN C AND ADJACENT TINNED SUOUNDING
14-09-04
Toshiba
2505DB
T
low sound
replace Q602, Q604 BC557, Q601, Q605, Q606, Q607 2SC2878
14-09-04
Toshiba
2505DB
T/ 2805DBT
VERY QUIET TICKING FROM RH SUOUND SPEAKER WHICH
REMOVE R610 AND JUMPER LINK J109
14-09-04
page:
1
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : Gradiente Amplificador A1
script execution: 0.11 s