| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV13TR24 | PICTURE BENDS, REPLACED C-501 | Picture had bending. Found ripple on 135V line. C-501 isdecoupling for 135V. | ||
| Sony | FD500 | IN-OPERABLE, REPLACED IC-451 | Set was inoperable. Found fuse open and traced problem to de-fective IC-451. | ||
| Sony | KV27XBR50 | INOPERABLE, REPLACED Q-602 | Set is inoperable. | ||
| Sony | CCDF401 | NO CAMERA/LINE RECORD - PLAYBACK IS GOOD | No REC Y RF out at CN-507 VA-67 board. Good RF at base ofQ-122. No signal at base of Q-123. Found collector of Q-121 (REC 4.9VSW) shorted to ground. | ||
| Sony | KV20TS30 | TOP HALF OF PIC GETS LINES AFTER ABOUT ONE HOUR, V OUT IC501 | After about one hour, there are lines on the top half of thescreen. Traced problem to a defective IC-501 vertical out IC. | ||
| Sony | KV27SXR10 | VERTICAL JITTER VCR PLAYBACK, REPLACE C-203 | Unit had vertical jitter on video input. With off the air TVsignal everything was ok. Traced problem to leaky C-203, couplingcapacitor to input of IC-201 pin 2. | ||
| Sony | KV13TR24 | INTERMITTENT SNOW, REPLACED TUNER | TV would go to snow. Traced problem to a defective tuner. | ||
| Sony | SLV757UC | HI-FI CUTS IN AND OUT | Hi-Fi cuts in and out. Traced problem to tape not runningtrue. | ||
| Sony | MDP210 | INTERMITTENT - WILL NOT PLAY DISC | Will not always play disc. Problem is intermittent. Tracedproblem to spindle motor which is defective. | ||
| Sony | STRAV770X | UNIT TURNS ON BUT NO AUDIO AND NO DISPLAY | Unit is on with no audio and no display. B+ and B- are ok. | ||
| Sony | XM3040 | PROTECTION LIGHT IS ON | When unit is turned on, the protection light is ON, and thereis no audio out. | ||
| Sony | CCDV3 | IRIS CLOSED NO PICTURE | No picture E-E from camera. Open iris and picture appeared.IA-1 board was replaced and iris was replaced. All pulses and voltageswere correct at the IA-1 board. | ||
| Sony | CCDF30 | NO LUMINANCE FROM CAMERA | Unit displayed no luminance on monitor, color was correct butlooked like severe line separation like G1, G2, RB or RB2 was misadjusted.MX-2 board was previously changed. There was no signal at the G1 or G2test points. | ||
| Sony | GDM1936 | HUM BAR FLOATS THROUGH PICTURE | Customer noticed a hum bar in the picture. We could not dup-licate it at the Center. Finally discovered the noise was caused by hisbattery backup power supply. He had two monitors and the computerplugged on it, but only the GDM had a noticeable hum bar | ||
| Sony | BM80 | CASSETTE DOOR SPRING COMES LOOSE SHORTING PS REGULATOR | The spring tension causes the plastic boss in the cover tocrack and break releasing spring which falls across the regulator IC andchassis destroying the regulator IC. |