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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV1000 | SPEAKER PROTECTION ALWAYS ON | The speaker protect circuit is always engaged. The problemappears to be related to the power supply. We noted that the schematicshows two separate grounds. In fact there is about 3 volts differencebetween the two. When the two grounds are tied togeth | ||
| Sony | EVC8 | RECORDING COLOR IS BAD | Unit was recording with no green component (color bar). | ||
| Sony | CVM1900 | VERY WEAK VERTICAL HOLD | Very weak vertical hold and appeared to also have a horizontalsynch problem (another shop replaced IC-501, problem not solved). Spenttime checking DC voltages, waveforms around IC-501, checked ok. Lookedcarefully at waveform on pin 24 of IC-501, vertic | ||
| Sony | CPD1304 | MISTAKE IN S/M "D" BOARD | Service manual shows pin 6 of IC-901 On the D Board to beconnected to the 120 volt line. This is not true. There should be noconnection. Fuse in the 120 volt line is missing in the S/M. Has therebeen a correction issued? -HQ COMMENTS: Tokyo will iss | ||
| Sony | KV27XBR60 | "H" BOARD AND IC-51 HAVE BEEN CHANGED, SEE SUPPLEMENT 4 | |||
| Sony | KV32XBR65 | H BOARD AND IC-51 CHANGE, COVERED IN SUPPLEMENT NO. 4 | H Board and IC-51 have been changed. -HQ COMMENTS: There has been a change in the H Board and with IC-51.Service Manual Supplement number 4 has been issued to cover these changes.H1 Board 1-629-621-23IC-51 8-741-100-62 CBX-1618-51 | ||
| Sony | KV32HSR10 | VERTICAL LINES IN PICTURE, SERVICE MODE ADJ "REF" SET TO 1 | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines, but are of solidred, blue, or green colors. | ||
| Sony | KV32XBR65 | VERTICAL LINES IN PICTURE, REF MIS ADJ, ALSO CHECK R-517 | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines, but are of solidred, blue, or green colors. | ||
| Sony | KV27XBR15 | NEW H BOARD, REFER TO SUPPLEMENT NUMBER 4 | H board and IC-51 have been changed. -HQ COMMENTS: There has been a change to both the H Board, and IC-51.Service Manual Supplement number 4 has been issued to cover thesechanges.H-1 Board 1-629-621-23CBX-1618-51 8-741-100-62 IC-51 | ||
| Sony | KV32XBR15 | RGB VERTICAL LINES IN PIX, ADJ. "REF" IN THE SERVICE MODE | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines, but are of solidred, blue, or green colors. | ||
| Sony | KV32XBR10 | VERTICAL LINES IN PICTURE, ADJUST "REF" | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines, but are of solidred, blue, or green colors. | ||
| Sony | KV32XBR15 | H BOARD AND IC-51 HAVE BEEN CHANGED, REFER SUPPLEMENT # 4 | H Board and IC-51 has been change. -HQ COMMENTS: H Board has been changed to the H1 Board (1-629-621-23).There has also been a change in the sensor IC, it has been changed to P/N8-741-100-62 (CBX1618-51). Please refer to Service Manual Supplement - 4Fo | ||
| Sony | KV27HSR10 | HORIZONTAL RGB, LINES IN PICTURE, CHECK R-517 | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines, but are of solidred, blue, or green colors. | ||
| Sony | KV27XBR65 | RGB VERTICAL LINES TOP OF PICTURE, SEE TVP SB # 76 | Three to four retrace lines are visible at the top of thescreen. They do not look like ordinary retrace lines, but are of solidred, blue, or green colors. | ||
| Sony | KV32XBR50 | FAINT HORIZONTAL LINE, TRACED TO LIGHT DIMMER SWITCH | While viewing some channels, you could see a very fainthorizontal line quite narrow moving up very slowly from the bottom of thescreen to the top. This problem has been seen many times in the past andis related to 60Hz interference. |