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Anonymous
Re: FISHER\SANYO TECH-TIPS
Wed Dec 17, 2003 6:40pm
24.235.161.123


Sanyo
Model:DS25430
Chassis:
Width problems No voltage regulation.
R007 5.6 2watt
Comments:Found many of these.

Sanyo
Model:DS25430
Chassis:
Repeated R007 failure
Bad yoke-you can usually remove the yoke and find a damaged area on the windings.
Comments: Ring yoke if possible.

Sanyo
Model:avm2054
Chassis:
dead set
resolder connections in vertical.replace do23 5v zener diode.

Sanyo
Model:ds25230
Chassis:25230-00
Repeated vertical ic failure
c457 220@35volt May only be marginal in test resuls Replace!
Comments:Vertical ic was running hot and failed after 2 weeks. Replaced the capacitor to correct the problem. ESR

Fisher
Model:PC5527
Chassis:
Shuts down in 2 or 3 seconds
Q341 shorted and R341 3.3ohm 1/2 watt open.
Comments:Found pin 3 of IC341 shorted to ground. Traced to Q341. Still had short. Finally traced to the Y/C portion of jungle IC. Kids had poked something in broken power button slot, causing a paper cap leads to lay over on a diode shorting the 9volt source.

Sanyo
Model:DS19630
Chassis:
No channels 2 thur 13, storm damage
Replaced Tuner. Normal Operation Returned.
Comments:

Sanyo
Model:DS26950
Chassis:
No vertical sweep
IC451(LA7831), R497(1.8ohms),C459(220mfd was high ESR)

Sanyo
Model:DS26950
Chassis:
2 inch blue circle in center of screen
Resolder diode D496.

Sanyo
Model:DS26950
Chassis:
Dead, fuse open, Storm damage.
Replace Q001,Q003,D013 and R014.

Sanyo
Model:DS19430
Chassis:
Bright blue picture.
Replace IC101(LA7673).

Sanyo
Model: DS27510
Chassis: 27510-00
DEAD SET
REPLACE Q605 (A608N)
Comments: Set had no 5 volts,

Sanyo
Model:DS20030
Chassis:NA
Snowy picture, looks like bad tuner
Replaced D521 5.6 volt zener

Sanyo
Model: DS31550
Chassis: 31550-00
CLICKS - DEAD SET
REPLACED HOIZ & 4.7uf/160 BY DRIVER TRANSFORMER

Sanyo
Model:VWM380
Chassis:N/A
Dead after lightning
Q5003 A984F (NTE290A) & main fuse 2Amp GMA
Comments:Fuse was lightly blown Q5003 shorted E-C

Sanyo
Model:DS35750
Chassis:35750-00
Tuner would not lock on channel
R106 22k 1/4 w resistor opened. No 33v to tuner. Replaced with 1/2 w.

Sanyo
Model: DS27510
Chassis:
DEAD SET ( STORM )
REPLACED Q605 ( 290A )
Comments: SHORTED TV HAD NO RELAY CLICK - DEAD

Sanyo
Model: DS25380
Chassis:
Band in picture and roaring sound.
Bad Tuner.

Sanyo
Model: 35 inch TV
Chassis:
Wavy horizontal line.(vertical collapse).
Look in dab of epoxy on right side of yoke. Open wire.Reconnect.
Comments: Open vertical part of bonded yoke.

Sanyo
Model: DS35500, Nov 2000.
Chassis: 35500-00
Wavy horizontal collapse.(vertical collapse).
Look in dab of epoxy on right side of yoke. Open wire.Reconnect.
Comments:Open vertical part of bonded yoke.

Sanyo
Model:avm2588
Chassis:
dont tune chanels
r106 29k

Fisher
pc5527
Chassis:
dead set
horz ic, 1uf/160v drive cap., r007, str30130

Fisher
pc5527
Chassis:
dead set
horz ic, 1uf/160v drive cap., r007, str30130

Sanyo
Model:am2502
Chassis:
snow
r508 39k

Sanyo
Model:DS19650
Chassis:
Pulsing snowy pix , motorboat in audio
R102 33K 1/2 watt feeds 32 volt to tuner pin TUHB
Comments:this is tuner BAM0110 set made in 97

Sanyo
Model: DS25450
Chassis: 25450-00. Feb 95.
Vertical top stretched.
C452, 1uf 50V.

Sanyo
Model:DS25390
Chassis:DS25390
Vertical Deflection Inoop
R483
Comments:R483 burnt open...Replace

Sanyo
Model:DS27430
Chassis:27430-00
Picture distorted at top
C401 22uf 25V

Sanyo
Model:DS27910
Chassis:n/a
pincushion distortion
Check L414

Sanyo
Model: DS31590
Chassis: 31590-00
Goes dim after on for a few seconds, turns off every 15 minutes
Replace IC681 78L05 voltage regulator
Comments: Voltage regulator caused both problems

Sanyo
Model:
Chassis: ds31590
pix wide ,with control no work
replace c416 .27 400 volt.
Comments:regulator volts check ok pin 1..130 pin 2.n33.5 pin 3 gd. to hot volt check 154 normal..coils l 413 & 416 run hot replace cap c416 fixed AL..

Sanyo
Model:DS27510
Chassis:
Dead---fix---replace Q605 2sa608n/nte 290a
Then units squeals Q601 C4423/nte2308 and Q604 C3807/nte2504
Comments:After replacing Q605, if you let it run with squeal, it will kill the other 2 components

Sanyo
Model: DS31550
Chassis:
Dead. Blown fuse 4A 125V.
C408 4.7uf 160v Elect. Cap(in horiz driver ckt) read 3.7uf & bad esr.
Comments:Resolder R409 & horiz driver tx.

Sanyo
Model:DS25390
Chassis:DS25390-06
hunts for channel two times then contrast drops way down, then set shuts off in 10 minutes
Q371 & Q372 off pin 18 of sig pricessor IC101
Comments: These will test good. They are high gain and have to be a matched pair.

Sanyo
Model: DS31580
Chassis:
Tuner inoperative
Replace R106, 27K ohm resistor 1/2 watt
Comments: There was no tuning voltage (33v) on the tuner.

Sanyo
Model:DS31580
Chassis:
Pic flashes on and off.
27Kohm resistor in 33v supply.

Sanyo
Model:DS19330
Chassis:19330-10
Problem:Vertical colaps, IC 451 and D451 OK
Solution:Replaced C453 1/50V

Sanyo TV
DS31350
Dead.
Cracked pins on both boards.

Sanyo TV
DS25430
Snow only. Inject signal. Still snow only.
Replace bad tuner #1AV4F1BAM0010.

Sanyo TV
DS25430
TV won,t turn back on.
Bad diode D021 by relay.
Comments: The tv comes on ok and after warm up of tv , if it is shut off, won't come back on till tv cools.

Sanyo TV.
DS26050
Demo mode continously displaying on screen.
Use any older Sanyo remote with + button other than + vol
Comments: Hold down the + button other than the + vol button on the remote for 5 seconds to clear the Demo from displaying. This tip from Sanyo.

Sanyo
AMV3651G
Dead set - lighting damage
Q601 shorted - NTE159

SANYO
DS25390
channel will not lock just scanning like autoprogramm
r106 27k bad
Comments: i have seen this resister cause like an AFT problem but never a channel scan problem

sanyo
AVM2962U ch.#G3J-296201
no picture -rastor ok- sound ok
replace R508 39k 1/2w

Sanyo
DS27580
Distortion lines in picture after lightning storm, varies w/ channel
replace 1Av4F1BAM0190 Tuner

Sanyo
AVM3659G
Dead
Replace Q402 2SD1880 (used 2SC4769), and C408 4.7uf 160 vdc
Comments:Also AVM3659C, AVM3659G, G5K-3659CO, G5K-3659C1, G5K-3659G0

Sanyo
DS25630
No Vertical sweep.
Def D501(MPG06D) NTE 552, located next to vertical IC501

sanyo
DS25550
TURN ON PLAYS FOR AWHILE SHUT DWN... REPEATS
REG B+ TOO HIGH REPLACE IC001
Comments:IC001 STR30130

Sanyo
Model: DS31650
Chassis: 31650-00
High pitched roaring sound at turn on, sound ok in a few minutes.
Bad MTS IC. IC3401, CXA1534S.

Sanyo
DS31520
Chassis:31520
Dead due to lighting
Q605 error amp open. Replace wth NTE290a

Sanyo
Model:ds31520
Chassis:31520
Dead----Hit by lightning
Q605 error amp open. Replace with NTE290a

Sanyo
AVM2555
3GM25550
No sound, picture ok. Pwr button erratic.
All tact buttons on set erratic. Replace
Set had been stored for 6 months. The storage corroded the tact switchs. Set had volume, it was just turned down and up button wouldn't operate.

Sanyo
Model:Most AVM units
Chassis:Most AVM units
Squealing, H tearing, sounds like arcing flyback
c428 at top of H drive transformer, also can be C401,404,421 around jungle chip.

Sanyo
DS25031
N/A
Vertical not full, erratic.
Clean and resolder vertical IC451.

Sanyo
Model:AVM-2703
Chassis:G3M27031
Dead - Shorted HOT
Caused by High ESR on C428 1/160v.;overdriving base of HOT
Comments:Replaced HOT,Q402; C428 1/160v.; IC001 STR30130; R007,5.6/2watt (open); C474 47/160v. (in B+ line).

Sanyo
Model:ds27890
Chassis:
no vertical
r483,1 ohm; d483 shorted; ic501, la7841

Sanyo
Model:ds25330
Chassis:
comes on at plugin, no osd, remote or buttons not functioning
ic501, gen#lc864012b
Comments:set had snowy picture. replaced the ic first and tuner was bad also



  • FISHER\SANYO TECH-TIPSHarry, Wed Dec 17 6:25pm
    FISHER AVM2502 N/A SHORT VERTICAL SWEEP CHECK/REPLACE C452 (1uF @ 50v) FISHER DS25030 N/A DEAD SET - NO RELAY CLICK CHECK/REPLACE C023 SHORTED (2200uF @ 6.3v) FISHER DS25230 N/A SET SHUTS OFF AFTER... more
    • FisherHArry, Mon Sep 6 11:13am
      Fisher PC-225 Complaint: Lines at the top of the picture. The Vertical was folded over from the top. The vertical output IC was bad. P/N {JU0069}
    • Re: FISHER\SANYO TECH-TIPS — Anonymous, Wed Dec 17 6:40pm
      • Re: FISHER\SANYO TECH-TIPSAnonymous, Wed Dec 17 6:47pm
        SANYO 91C80 N/A SHORT VERT SWEEP ON BOTTOM OF SCREEN CHECK C463 (100uF @ 25 WV N.P.) SANYO 91C80 N/A LOW AUDIO LEVEL CHECK FOR OPEN C208 SANYO 91C91 N/A ONLY CHANNEL 13 WORKS AND HAS MOTORBOATING IN... more
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