Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV8AD10 | NO PICTURE,REPLACED Q-803 | No picture but sound and display are ok. | ||
Sony | HSTD105 | AUDIO CUTS OUT | Audio cuts out after approximately 5 minutes operation atmoderate volume. | ||
Sony | HSTD107 | SPEED ADJUSTMENT AND HIGH W&F | Speed adjustments and high W&F. High use of motor onHST211, HST221, HSTD105, HSTD107, HCDD117. All use potentiometers onthe cassette PCB to adjust speed. HCDD115 uses the VR inside the motorto adjust speed. | ||
Sony | STRD1090 | NO AM OR FM AND INPUTS ARE OK | No AM or FM. No voltages to Tuner/Video Board. | ||
Sony | HSTD107R | INCORRECT PART NUMBER (REEL MOTOR ASSEMBLY) | Part number X-3359-416-1 is noted as the chassis assembly inthe system. If ordered, you get the chassis assembly. Researched withthe TCW-320 service manual which has the same mechanism deck section andfound M-902 to be part number A-2003-474-A. | ||
Sony | FD10A | NO PICTURE, REPOSITIONED R-868 | Low G-2 voltage. The copper trace under the R-868 isconducting partially to resistor connection. | ||
Sony | STRD1090 | UNIT WILL CUT OFF INTERMITTENTLY | Unit has intermittent audio when first turned on. +5V onoutput of pin 3 on IC-953 (5V reference) was too low (3.5V). | ||
Sony | STRD1090 | FOUND ADDITIONAL IC ON A CLASS BOARD - IC710 | Found additional IC mounted on A class board. Power amp wasnot shown in the service manual and need schematic to repair. IC islocated next to CNP764. IC type is Mitsubishi 5218A and package type is8-pin DIP. -HQ COMMENTS: 3/1/93 - We have FAX'd Tokyo | ||
Sony | KV8AD10 | NO SOUND, REPLACED EARPHONE JACK | No sound from speaker or HP jack. | ||
Sony | STRD1090 | FRONT PANEL PCB LOOSE | Unit is received with front panel loose. When you open panel,there is a metal bar (not listed in service manual) holding the bottomof the PC board in place. The PCB feeds itself from this bar bending thebar and making function/reset/sound effect switch | ||
Sony | STRD1090 | CRACKED BOARD AROUND T-901 | Cracked MCB near T-901 transformer. This is low consumptionpart. I believe technicians are fixing board because board is still notbad enough to exchange. | ||
Sony | TCDD10 | LOW BATTERY INDICATOR ALWAYS ON, UNIT WON'T PLAY, FF OR REW | Unit indicates low battery, loads the tape, but does not play,REW or FF. However, the SCAN and search functions work ok. After sometroubleshooting, I found IC-507 pin 34 (low battery detect input) voltagewas correct as indicated in the schematic. | ||
Sony | ITD100 | NO RING | Cold solder joint on C-11. Also pertains to serial number30134. | ||
Sony | TCDD10 | UNIT UNTHREADS TAPES WHEN PLAY BUTTON IS PRESSED | Tape loads O.K. Unit would unthread tape when play button waspressed, but if you went into Rewind or Fast Forward after tape loading,they both functioned properly. Scoping Q-531 and C-566 you could see thekick start, but was of low amplitude and durati | ||
Sony | TCDD10 | REEL MOTOR BRAKE ASSEMBLY MALFUNCTIONS | If reel motor brake lever sticks to the reel table, the reelmotor will not work. To prevent this, replace the left and right brakelever assemblies which were not previously available separately.Previously the entire reel assembly had to be replaced.Part |