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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: 315
Sanyo
CBP2146
PIP became negative with overloaded col
PIP interface supply rose from 5v to 6.2v; 5v stab QC0905/3052V on edge of interface board faulty
14-09-04
Sanyo
CBP2146 E2-E21
Bright raster with flyback lines.
R478 ( 10k ) o/c.
14-09-04
Sanyo
CBP2146 E2-E21
Corrugated verticals.
Check EHT lead connections.
14-09-04
Sanyo
CBP2146 E2-E21
Corrupted text.
IC1031 ( SAA5240A )
14-09-04
Sanyo
CBP2146 E2-E21
Int red picture.
Drys A602 on CRT base.
14-09-04
Sanyo
CBP2146 E2-E21
Lack of width & shuts down when set is warm.
C310 ( .047uf 50v )
14-09-04
Sanyo
CBP2146 E2-E21
Picture fades shortly after switch on.
Drys R479.
14-09-04
Sanyo
CBP2146 E2-E21
Poor sync.
IC1011 ( SAA5230 )
14-09-04
Sanyo
CBP2147
St/by only
Fault in st/by cct - linked st/by conn on mains sw to chassis but no st/by facility now available
14-09-04
Sanyo
CBP2148
St/by only
Momentary contacts on mains sw - should make b4 mains contacts
14-09-04
Sanyo
CBP2152
Int failure to come out of st/by & random chan change
D746 6v2 zener between front panel & 'tac' switch
14-09-04
Sanyo
CBP2152
INT STUCK IN STBY ALSO INT RANDOM CHANNEL CHANGE
D674 6v2 ZENER OTHER DIODES IN CCT MAY CAUSE SIMILAR FAULTS
14-09-04
Sanyo
CBP2152
NO PIC FOR 1min THEN COMES ON ALL WHITE FOR 30secs
TDA3566 US ( PAL NTSC )
14-09-04
Sanyo
CBP2152 E4
Dead - will briefly come out of st/by
HT ok at LOP - no line drive as 12v supply to pin 7 TDA4505 was low; IC362 L78M12 reg chip faulty
14-09-04
Sanyo
CBP2162
Field non lin
TDA4505M - tried "E" suffix but would not work in spite of changing res
14-09-04
Sanyo
CBP2162
Int dead then perm dead
HT present with snowy raster when A1 advanced - No R/C functs. No 5v to micro - st/by trfmr o/c pri
14-09-04
Sanyo
CBP2162 E4
BLANK RASTER WITH SOUND
TDA4505M IC101
14-09-04
Sanyo
CBP2162 E4
No pic - sound ok - blank raster when A1 advanced
Low amplitude scastle pulse pin 27 - IC101 TDA4505M faulty - first check 12v supply at pin 7, if low then sus IC362 L78M12-RA 12v reg
14-09-04
Sanyo
CBP2168
Int goes blank raster & no sound
Check 5v st/by supply present - sus st/by tfmr pri
14-09-04
Sanyo
CBP2168
No front controls so no tuning possible - R/C ok
D710. 711 6v2 zeners leaky on main pcb
14-09-04
Sanyo
CBP2180
Field bounce
L401 in field o/p supply intermittent
14-09-04
Sanyo
CBP2180
Int lum
Dry joint lum del line IO21 near loptx
14-09-04
Sanyo
CBP2180
INTERMITTANT DEAD
DRY JOINTS ON Q432
14-09-04
Sanyo
CBP2180
No signals
No volts at TU pin of tuner - dry joints link J159 at front right of main pcb
14-09-04
Sanyo
CBP2180
No tuning or tuning volts
R714 10k on front control pcb o/c
14-09-04
Sanyo
CBP2180
Pic displaced with vert band of col or no sound - osd ok
VR411 hor shift pot
14-09-04
Sanyo
CBP2180
Sound buzz, non lin field & lines
crack in print by field chip heatsink so C451 had no chassis return
14-09-04
Sanyo
CBP2180
St/by only - if st/by button on hset pressed, led would go out only to reappear a few secs later
No 12v supply - IC552 78M12 reg o/c
14-09-04
Sanyo
CBP2180 A5
Field collapse
No supply to IC451 FOP chip as L451 33µH dry joints or o/c
14-09-04
Sanyo
CBP2180 A5-A21
Pic shift to left, hanover bars & no sound
Check VR411 hor shift control for o/c
14-09-04
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