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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
12T234
Small picture.
14-09-2004
Sanyo
2144
NO TUNING WHEN COLD
C398 100mfd 5v LINE
14-09-2004
Sanyo
2145
INT SHUT DOWN
100mfd CAPS 5v - 12v LINES
14-09-2004
Sanyo
2148
STEPPING UP CHANNELS
D24 5V1 ZENER
14-09-2004
Sanyo
2180
WONT GO COMPLETLY INTO SBY. LOW SUPPLY TO PIN 1 OP
CHECK R572 470ohm
14-09-2004
Sanyo
21MT1
Dead
Replace R321 (120K) Primary Side of PSU O/C
14-09-2004
Sanyo
21MT1 EC3-A21
Poor, flickering pic
Low RGB o/p IC101 TDA8361 IF/Dec/TB chip pins 18 -20; chip faulty
14-09-2004
Sanyo
21MT2
Starts up then shuts down quickly
R495 180k
14-09-2004
Sanyo
21MT2 EC5A21
Int dead
R481 dry joint
14-09-2004
Sanyo
25BN2
Int sw off
Dry joint coll Q611 in psu
14-09-2004
Sanyo
25DN1
St/by only - light goes out when brought out of st/by
R620/621 120k 2w in psu - beware of mains smoother being charged!
14-09-2004
Sanyo
25MT1 CB5956 EC3-A25
Goes to st/by aft few secs
Pin 31 IC701 1v instead of 5v - R372 390k o/c
14-09-2004
Sanyo
25MT2
Trips off aft few secs with st/by led flashing
R497 180k in 200v monitoring cct o/c
14-09-2004
Sanyo
25XP1
flashing standby led when asked by the remote to start
R624 120k o/c
14-09-2004
Sanyo
25XP1 = EB4-A25
Tuning problems
Cracks in tuner earths
14-09-2004
Sanyo
28DN1
Tuning drift - esp at top end of range
Dry joints in tuner earths esp top RH section
14-09-2004
Sanyo
28DN5 EB6
Dead
Chopper Tr 2SC4429 s/c - no other FF but suggest change opto & Ref zeners D615/D645
14-09-2004
Sanyo
28WP3 WB2A
Pic comes on briefly with no sound then reverts to st/by
Reverting to prot mode - could be many things but check sound prot first. Isolate IC051 by lifting D682 pic appeared ok. Change IC051 & check audio sect psu - D1633, Q1633 & R1639 were also damaged
14-09-2004
Sanyo
3024 PORTABLE
S.C. LOP. TRANSISTOR , VERY HIGH HT.
CHECK Q511 2SA608 PRIMARY ( CHECK HT SMOOTHING FOR POSS DAMAGE )
14-09-2004
Sanyo
32WN5B EB6A
Reverts to st/by after briefly coming on at sw on during which HT ok at 145v
Pin 19 IC801 prot I/p low (should be hi); 9v supply from IC642 low due to its I/p low 7v - Dry joint C640
14-09-2004
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