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Aiwa Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
AIWAAR-205
Greenish screen (without red)D902=bav21
AIWA NSX-229
Display almost offQ105 and the 10r protection resistor connected to it.
AIWA NSX S222
If you increase the volume, the device turns offFound to be defective in the boxes.
AIWA VXT1400
When switching to stby raster remains and buzz noise is heared from the speakersCause: +b voltage 103 v does not switch-off. remedy: replace defective c541
AIWACX-NS 559LH
Only std led by litQ103 open 2sa1235
AIWAVXT1450K
Field collapseFr812 3r9 1w fusible o/c - no other fault found
AIWAVXT1420K
St/by onlyLoptr leaky
AIWAVXT1420K
DeadStart up res r502 1m & r503 820k
AIWAVXT1410K
Poor start up from cold, patterningC522 2µ 50v, c523 100µ 50v
AIWAVXT1410
St/by onlyDry joints power/stby key
AIWAVXT1400KER
Red weak in picReplace c905, 7 & 9 1µ 50v in rgb drives
AIWAVXT1010K
No cold start upC524 47µ 10v
AIWAVXT1010K
Int sw onReplace stk73907, c514 0µ082 pulse cap, q501 2sk212, q510 2sc1815. change r520 to 68k & c524 to 220µ
AIWAVXT1010K
Dead - goes into st/byR515 3m3 , c517 c526 470uf 10v , c524 47uf 63v
AIWAVXT1000MKII
Sound no picture.Replace ic4(stk7348) and c88(3n3 1kv).
AIWAVXT1000MK2
No picture sound okC88 3n3 1kv burnt
AIWAVXT1000MK2
Dead tv sect - vcr sect okC88 0.0033µ 1kv burnt; stk7348 psu chip s/c; r109 3r9 7w o/c
AIWAVXT1000MK2
DeadStk7348 psu chip & c88 0.0033pf 2kv
AIWAVXT1000 MK2
Failure of ic stk7348 in tv psuReplace:r102. 33Ωlw part no s5 34a 330 000 r104 27Ω 3w part no sl 330 703 000(6.25ukp) rlol 33Ω7w part no sl 330 862 000(8.37ukp) also please check and if necessary replace:r103(3.76ukp) r105 replace as required. r109(4.00ukp) note: do not replace ic on its own.<<
AIWAVXT1000 MK2
Dead - no line driveD7 9v1 zener & c105 330µ 16v both s/c