| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | D844K | LINE OUT OUTPUT LOW (ECHO SOUNDING) - RESOLDER J301 | Unit would intermittently have one channel out. | ||
| Sony | D830K | NO DISC ROTATION - REPLACE IC507, P/N 8-759-263-14 | Unit would not read a disc, found there was no disc tablerotation. No output voltage on pin 32 of IC507. | ||
| Sony | D830K | WRING PART NUMBER IC502 - SEE CORRECTION-1 | Wrong part number IC502 in the D830K manual reads 875919361,should be 875929361. -HQ COMMENTS: Refer to SERVICE MANUAL CORRECTION-1, p/n 9-959-715-91 forthe correction. | ||
| Sony | D828K | CURRENT CONSUMPTION | Customer claims very short battery life.Could you please imform me as to DC current consumption on this unit whenusing batteries and on playback modeThanks. -HQ COMMENTS: Check Supplement -1, page 10, where the current cosumptionis given in play mode a | ||
| Sony | D828K | NO AUDIO ON ESP - REPLACE IC502 | Unit has audio output with ESP switch off. When ESP is on it loses tracking and output. Found defective IC502. | ||
| Sony | D828K | NOT RESPONDING TO BUTTONS | Unit has power but does not resopnd to play button/ | ||
| Sony | D345 | WON'T CHARGE BATTERIES | Would not charge rechargeable battery pack. | ||
| Sony | D303 | UNIT WON'T WORK ON AA CELLS WHOSE VOLTAGE IS LESS THAN 2.7V | Unit won't work on AA cells when batteries fall lower than2.7v. Disc will start spinning backwards, reads no disc. Q421 defective. | ||
| Sony | D245 | DIFFERENT MAIN PCD | Current service manual shows a 1-656-533-12 for the main PCBbut the unit has a -13 board in it. Need a supplement or S/B to serviceunit. -HQ COMMENTS: Contact Kansas City Parts, attn Jamie Lyon, phone816-891-7550 ext 256, fax 816-891-2580. | ||
| Sony | D242CK | NOISE HEARD IN AUDIO OUT - REPLACE IC601 (8-759-297-18) | Static or noise heard in audio out. | ||
| Sony | D242CK | UNIT DOES NOT POWER UP - REPLACE Q402 (8-729-923-36) | Unit would not power up. Found B+ at .5V instead of 3.5V.Found Q402 shorted base to collector. | ||
| Sony | D242CK | UNIT SKIPS IN ESP MODE | Unit skips on esp mode only. On normal mode is working ok.* New optical spindle motor same problem. -HQ COMMENTS: This problem is currently being investigated by Tokyo andthe Tech dept. | ||
| Sony | D242CK | DEAD REPLACE Q402 (8-729-923-36) | Unit was dead. Found vin to IC701 motor driver at pins 31,24 shorted to ground. Traced to Q402. Have seen this transistor shorton other discman models also. | ||
| Sony | D235CK | NO DISPLAY - REPLACE IC801, P/N 8-759-333-69 | Unit would work but had no display. | ||
| Sony | D143 | #S SWITCHED FOR M901/902 IN MANUAL | Reference numbers on page 31 of service manual for motorsswitched. M901/902 in break out are switched. |