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: 16
Hitachi
C2846TN
Field - lines at top of pic
TA8427K field chip
14-09-04
Hitachi
C2846TN
Field collapse
R710 2R in FOP supply o/c
14-09-04
Hitachi
C2846TN
Field collapse
TA 8427K and 2R0 safety res
14-09-04
Hitachi
C2846TN
Model no displayed (factory mode)
Press both rec buttons on hset, sw to st/by & then sw off at mains. Wait 30secs b4 sw back on.
14-09-04
Hitachi
C2846TN
MODEL OF TV DISPLAYED ON SCREEN
PRESS BOTH RECORD BUTTONS ON REMOTE SWITCH TO STANDBY THEN SWITCH OFF AT SET WAIT 30SECS THEN SWITCH BACK ON
14-09-04
Hitachi
C2846TN
No sound
EEPROM corrupt due to dry joints on regs - replacement pt no E730045
14-09-04
Hitachi
C2846TN
No sound - ok thro scart
EEPROM faulty
14-09-04
Hitachi
C2846TN
No sound (AV sound ok)
IC002 24C04 memory chip
14-09-04
Hitachi
C2846TN
No Sound via off air or scart
Replace IC002 24C04 (Programmed with correct file)
14-09-04
Hitachi
C2846TN
Removing Code “C46TN” from screen
TV in factory set up mode - Using RCU, press two VCR REC buttons together. The MENU will appear, then switch to standby. Turn appliance back on and prompt should have disappeared.
14-09-04
Hitachi
C2846TN
Shuts down int for first half hour
Dry joints esp at R719/R718
14-09-04
Hitachi
C2846TN
St/by only
IC952 dry joints
14-09-04
Hitachi
C2846TN
St/by only
HT high at 160v (should be 150v) R950 68k risen to 80k
14-09-04
Hitachi
C2846TN
Tripping with HT peaking at 170v
OK when dummy load touched onto HT rail with HT correct at 150v; R951 8k2 in opto cct hi res
14-09-04
Hitachi
C2846TN
A4
Raster still present in st/by
D4470 1N4531 leaky (RHS of the heatsink audio IC4450), working diode must have 28V at one end and 3.5V at the other end.
14-09-04
Hitachi
C2846TN
A4
St/by only or int goes to st/by
Dry joints R957 (near Q950 heatsink) & check drys on IC951, 952 etc
14-09-04
page:
1
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : Philips manualst
script execution: 0.12 s