| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27XBR10 | SET IN-OPERATIVE | High voltage, no audio and no picture. Found no verticaldrive out of pin 31 of IC-301. Also found vertical osc running at pin 29(vertical pulse to IC-101). The vertical drive circuit was muted insideIC-301. | ||
| Sony | MDP333 | ELECTRICAL ADJUSTMENT CORRECTION (2-7-3 AND 2-7-4) | In MDP-333 Supplement No. 1 on page 35 sections 2-7-3 and2-7-4 are incorrect. It Appears test points and adjustment points areincorrect. -HQ COMMENTS: The correct adjustment element in Section 2-7-3 is RV-154instead of RV104. The measuring point in Se | ||
| Sony | SLV373UC | Q-204 POWER SUPPLY BOARD | Need Q-204, 2SD1789 or power supply P/N 1-413-540-11 as soonas possible. Could we possibly find a substitute to use now to resolve acustomer complaint? I am aware that parts list is being made etc. -HQ COMMENTS: The part number of Q-204 (2SD1789) is 9 | ||
| Sony | TAM30 | ICM CUTS OFF DURING CONVERSATION. | Capacitor opens reducing audio to IC-1 which will not be astrong enough signal to operate the VOX circuit. Micro will cut unit offin 7 seconds during incoming message. | ||
| Sony | ITA650 | LOW DISTORTED RING IN UNIT | Unit will not ring properly when ring signal is turned down to70V AC or less on B & K 1050 analyzer. | ||
| Sony | ITA550 | LOW DISTORTED RING IN UNIT | Unit will not ring properly when ring signal is turned down to70V AC or less on B & K 1050 analyzer. | ||
| Sony | TAM50 | CONTINUOUS TEL LINE CONNECT WITH POWER APPLIED | Unit grabs line when power is applied. D-2 shorts, whichapplies unit supply voltage to pin 15 (power detect) of IC-3 (Micro).This intermally damages micro processor. | ||
| Sony | TAM50 | LOW ICM AND OGM RECORDING | Low audio when recording OGM and ICM but when playing back aprerecorded tape, unit works correctly. | ||
| Sony | WMF2031 | PART NUMBER INFO: REF. NO. 5 AND NO. 33 | The part number for reference no. 33 and the description forreference no. 5 are incorrect as listed in the Service Manual (Page 18 and19). | ||
| Sony | XM3040 | PROTECTION TURNS ON | The protection circuit is activated when the XM-3040 isconnected to other equipment or when it is tested.Serial Numbers Applicable: Up to 28,100 | ||
| Sony | ITA750 | NO OGM RECORD | Unit will not record OGM, but will playback a pre-recordedtape correctly. | ||
| Sony | TCW310 | INCORRECT PART NUMBER - REFERENCE NO. 418 | Service manual list Ref. No. 418 as a shaft, pulley with P/N3-390-203-01. This is incorrect. | ||
| Sony | TCW390 | WRONG PART NUMBER - REFERENCE NO. 315 | The service manual has Reference No. 315 listed as a shaft,pulley with P/N 3-390-203-01. This is incorrect. | ||
| Sony | TCW295 | WRONG PART NUMBER - REFERENCE NO. 315 | The service manual has Reference No. 315 listed as a shaft,pulley P/N 3-390-203-01. This is incorrect. | ||
| Sony | WMF2078 | MISSING PART NUMBER, REF. 905, PCB, TUNER FLEXIBLE | Need the part number for PC board (flexible). See page No.21, Reference No. 905 of the service manual. -HQ COMMENTS: The part number is 1-636-093-11. We will issue a servicebulletin. |