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Modelo - Chassis
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | CCDTR4 | VIEWFINDER STAYS ON | In the Camera mode with the Standby switch in the offposition, the viewfinder remains on. | ||
| Sony | SLV585HF | HI-FI DROPOUT ON PRERECORDED TAPES | Servicing dealer in Arizona reported to area representativethat he has a unit that will drop out of the Hi-Fi mode on several pre-recorded tapes (Top Gun - sample). Some tapes can be played on other man-ufacturers' machines with no problem. | ||
| Sony | KV27TS20 | SQUEALING, L-511 | Set had intermittent high pitch squeal. Two yokes were re-placed the last having hot glue applied. Home tech found by moving L-511the squeal would come and go. Note: I have found out in four cases thatif their is a squeal after the yoke has been hot g | ||
| Sony | CDPC305 | TRAY DOES NOT STOP AT CENTER OF PICKUP | Tech in San Diego showed me that when you go to the next diskthe tray would stop early and then at times would jerk its way to centerof laser base assembly. The problem appears to be either a warped tray orcabinet assembly. Sometimes the problem is int | ||
| Sony | CDPC205 | TRAY DOES NOT STOP AT CENTER OF PICKUP | Tech in San Diego showed me that when you go to the next diskthe tray would stop early and then at times would jerk its way to centerof laser base assembly. The problem appears to be either a warped tray orcabinet assembly. Sometimes the problem is int | ||
| Sony | TCWR950 | DECK "A" CYCLES OFF AND ON | Deck A cycles off and on. Deck B is ok. | ||
| Sony | KP7220 | PICTURE NARROW BEFORE IT WENT OUT, REPLACED C541,F801,F601 | Inoperative set, F-801 and F-602 open 2 Ohms on +135 volt B+line to ground. Eliminated connectors G-17, G-5, G-6, G-7, G-14 and G-15.Still 2 Ohms to ground. Opened C-538, D-514, C-539 and checked D-515.Still 2 Ohms to ground. Opened C-541 and short wa | ||
| Sony | KP7220 | RED WIDTH WOULD EXPAND AND CONTRACT INTERMITTENTLY, D5306 | Red width would expand and contract intermittently. Knowingthat D-5306 controls the B+ voltage to the red convergence output circuitin the horizontal section, found B+ at D-5306 anode varying the circuit.All other circuits stable measured D-5306, found | ||
| Sony | KV2780R | "A" REPLACEMENT PCB NOT COMPATIBLE | Replacement PCB found with numerous errors. Has power but novideo, sound or micro operation. Sleep light will not turn off. Foundthese problems: A. IC-102 memory IC is not correct IC. B. R-104, JW-66,R-193, R-192, JW-107, JW-110 C-603, C-608, D-606, | ||
| Sony | KV27EXR10 | WHEN SET TURNED OFF, POWER SUPPLY STAYS ON, REPLACED RY-601 | Power supply would stay on and video/audio would blank out butno relay click when turned off. Q-601 relay drive transistor base andcollector. Voltages were switching correctly for power On and power Offfunctions. Unplugged TV and found relay RY-601 wi | ||
| Sony | KV32XBR70 | INOPERATIVE SET - NO B+, REPLACE IC-651 | No B+ ran F board with lightbulb load separately. Found+167Vdc on Pin No. 1 of IC-651 and no voltage anywhere else. IC-651 openinternally at collector to emitter of TR-1 inside IC-651. | ||
| Sony | KV32XBR65 | NO POWER, REPLACED Q-604 | B+ supply only +5Vdc on B+ line. Ran F bd. separatelyw/lightbulb load on plug F-61 at pins 1 & 4. Pins 8 & 9 on IC-651 had-.2Vdc on them. Found Q-604 shorted emitter to collector & R-610 open.These don't exist on schematic. Please correct manuals wit | ||
| Sony | EVS800 | NO AUDIO IN RECORD OR PLAYBACK | There is no audio in E to E, Record or playback modes. | ||
| Sony | KV20EXR10 | UNIT LOCKED IN THE SERVICE MODE, SUBSTANCE FOUND IN SET | Upon power on unit comes on to the service mode and will notcome out of it. Unpluging does not help. | ||
| Sony | CCDTR7 | NO CAPSTAN | There was no capstan rotation during eject so machine woulddisplay flashing caution sign. IC-504 and the capstan motor had been pre-viously replaced. All signals looked correct to properly drive the motor. |