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: 7
JVC
14E1EK Onwa
Dead
Chopper Tr 2SD1545 leaky
14-09-04
JVC
C
14E1EK Onwa
Dead
After replacement of usual caps the mains smoother C907 4700pF 500v in psu pri was found to be leaky
14-09-04
JVC
C
14E1EK Onwa
Dead - HT high
C909/911 47µ cured HT problem but still dead; No supply pin 42 AN5601K dec/tb chip IC301. R323 6k8 5w fusible o/c
14-09-04
JVC
C
14E1EK Onwa
Dead - no st/by
Q902 2SB774 base emitter s.c. (used BC558).
14-09-04
JVC
C
14E1EK Onwa
Int snowy pic at sw on with no OSD or R/C functs
OK once TMS73C47 micro reset (s/c pin 32 to chassis briefly). Caused by crack in print at front edge of pcb on track to pin 2 micro - hard to see due to covered in black ink
14-09-04
JVC
C
14E1EK Onwa
No go
R323 ( 6k8 5watt ) fusible resistor o/c between p42 of IC301 & HT rail.
14-09-04
JVC
C
14E1EK Onwa
Set comes on to standby - relay clicks.
R323 ( 6k8 5watt ) fusible resistor o/c ( maybe Int ) between p42 of IC301 & HT rail.
14-09-04
page:
1
FB
-
Links
-
Info / Contacts
-
Forum
-
Last SM download : Tel-Instrument Electronics Corp. CES-116A
script execution: 0.13 s