Dicas Reparação
Modelo - Chassis CDP701ES
Pesquisa: CDP701ES Enviar Dica Resolvida
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CDP701ES | PLL ADJ | In 1986, Kirk Vistain wrote a quicker and much easier way ofsetting PLL freq., but it is not listed in SDIS: #1 Short junction of R142 and C132 to ground. #2 Put unit into test mode, test SW701 to VS. #3 Power on. #4 Adjust L201 for 4.3218Mhz and RV2 | ||
| Sony | CDP701ES | APC ADJUSTMENT PROCEDURE | The attached FPR from 10/23/85 (not in computer) indicatesthat it would be issued on how to adjust the laser output but I cannotfind any such Service Bulletin or Supplement etc. Was this ever issued?What is the adjustment procedure? -HQ COMMENTS: When | ||
| Sony | CDP701ES | HIGH FREQUENCY WHISTLE IN ONE CHANNEL | High freq. whistle in one channel. Found cold solder joint onLPF ground tab. This problem could occur on LPF401 effecting other side. | ||
| Sony | CDP701ES | NOISE DURING SCAN | Clicking noise is heard when scanning to the next selection.All power supply filter capacitors have been changed, also the regulatorICs (+/-12V, +/-5V). No change. Found out that this noise did not appearuntil the STK6922 were replaced with BX1201. | ||
| Sony | CDP701ES | OSCILLATION ON FE TEST POINT | When AMed 3 or more tracks the sled would not movean osc. of 5-10 Vpp would be present on the FE test point. | ||
| Sony | CDP701ES | NOISE IN R CH | R-ch sounded very noisy. Sounded like Ju-Ju. | ||
| Sony | CDP701ES | REMOVAL OF SHORTING CLIP | Even though new OPB was installed, unit did not operate. | ||
| Sony | CDP701ES | CHUCKING MOTOR SWITCH NOT ENGAGED | The unit rejected the disc intermittently. Opened the unitand found the chucking operation was not done, when we closed the disctable. | ||
| Sony | CDP701ES | RF PLL AND CLV PLL OUT OF ADJUSTMENT | Unit will not track discs with visible defect in program area.Some discs track on CDP-101 and CDP-200 with no problem. Possible causeof this could be the AUTO ANTISKATE circuit in the CDP-400 and CDP-701ES. -HQ COMMENTS: Careful electrical alignment, p | ||
| Sony | CDP701ES | DEAD UNIT | The dead unit had IC108, IC109, IC110, IC801 - shorted.IC108 was physically melted, with a hole in the chip. We can duplicatethe problem by shooting C218, C214, C138 to ground for a fraction ofa second. |