Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY ITD150
Missing part number for bz1 and bz2 There is no part number for the buzzer bz1 in the servicemanual. -hq comments: the buzzer bz1 is not available as a separate item.however it is a part of the lower cabinet assembly. therefore, if you needto replace bz1, you will have to replace the lowe
SONY ITD200
Missing part number for bz1 and bz2 There are no part numbers for bz1 and bz2 in the servicemanual. -hq comments: the 2 buzzers bz1 and bz2 are not available as separateitems. however they are part of the lower cabinet assembly.therefore, if you need to replace bz1 or bz2, you will have t
SONY ITD100
Missing part number for bz1 There is no part number for bz1 in the service manual. -hq comments: the buzzer bz1 is not available as a separate item.however it is part of the lower cabinet assembly.therefore, if you need to replace bz1, you will have to replace the lowercabinet ass
SONY SLV676UC
No hi speed rewind on tapes less than t-120 If a tape less than length t-120 is used, you cannot go intohi speed rewind, only normal rewind speed. it seems like there is a soft-ware problem. -hq comments: this is normal. the system is programmed to enter the highspeed rewind only when it sees th
SONY SLV676UC
Index Went to a customer's home and he showed me a design problem.if you use a tape less in length than at-120 and index 3 or 4 times with3 minute spacing, it will not stop until it sees the first index. thisoccurs only in reverse. foward direction it stops
SONY ITD250
Missing part number for bz1 and bz2 There are no part numbers for bz-1 and bz-2 in the servicemanual. -hq comments: the 2 buzzers bz1 and bz2 are not available as separateitems. however they are part of the lower cabinet assembly.therefore, if you need to replace bz1 or bz2, you will have
SONY KV5300
Handle brackets Bracket which holds the handle is not shown or listed in theservice manual. please let us know the part number. -hq comments: part number for the bracket is 4-361-411-01.
SONY CCDTR5
Intermittent poor picture quality - noise in picture Replace q-107 in head assembly circuit. -hq comments: thanks for the information. q107 is the channel 1a recordswitch.
SONY CCDTR6
Will not load, eject or play No cap. vs from dd-31 board.
SONY EVS550
No operation No functions - display and leds flash.
SONY KV32XBR50
No picture, only character display, check the ik line Sometimes at turn on the screen was black but would show theon screen display. turning up g-2 revealed a barely visible rasterexhibiting extreme pincushion distortion. also, three retrace lines at thetop of screen caused by improper data buss activity.
SONY CDP291
Intermittent static in audio Intermittent static in audio (especially in high frequency).
SONY KV2791R
Shut down, replace r-507 When the brightness and picture controls are high, pin 6 ofic-301 would drop to 2v, then the set would shut down.
SONY DTC300ES
No display Minus 24 volt power supply fails. gary in costa mesa showedme one that had all three components defective. -24 volts is lost whenq-908 and q-907 short, this i think causes c-915 to open. gary says thisis the second unit he has had with this problem.
SONY KV27XBR15
Dead, replaced q-503 and repaired cold solder joints Unit was dead, found shorted h output transistor andcold solder joints on h. drive transformer.
SONY KV20EXR10
Low brightness, resoldered r-741 ("c" board) Very low brightness. looks like color only. rgb pulses arevery low. r-741 leads were not penetrating completely through the boardcausing misoperation of q-711 thus sending a wrong ik pulse to pin 25 ofic-301.
SONY STRD2020
No left channel audio No left channel audio. traced audio back to ic-307 still didnot have audio. went to ic-301 pins 2 and 27 had audio. thought ic-301or ic-307 had to be bad because the digital path was still sending rightchannel audio throughout digital 1 pcb until it b
SONY KV32HSR10
Shuts down, "f" board q-651 e-b open Shut down. found b+ 135v running between 136 and 142vdc. iknew either the load was open or our b+ was not regulating. removed the fboard from the tv and jumped ry-601. i used a 60 watt lightbulb as my loadon the +135 volt line. using the variac while mo
SONY CDPC201
New spindle motors are bent Vertical jitter on rf waveform (eye pattern) after spindlemotor replacement. this is caused by a bent spindle shaft. there is nopacking material to protect the spindle shaft. out of the last ten motorsreplaced, 6 were noticeably bent but could be used
SONY KV27TW71
Dead, replaced c-550 Set was dead. inspection of waveforms at base of q-550, hori-zontal drive transistor was about 1vpp. service manual shows 4vpp.