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Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYCFD5
Incorrect reference numberReference number 46 on page 85 should be labeled referencenumber 44 (part number 3-320-247-11). reference number 46 on page 87 iscorrect (part number 3-320-249-01). -hq comments: thank you for the information. i appreciate your effortin pointing this
SONYWMAF605
Part number not in manualPart number left out of service manual.
SONYKV13TR20
Crt replacementThis set does not have shield as shown in manual. degaussingcoils mount on metal extensions attached to mounting band on the crt.servicer has two tubes for replacement that do not have the attachmentsfor mounting the degaussing coils.
SONYEVS900
Intermittently will not accept tapeFound that the unit would accept all tapes except p6-120s.tape would intermittently hang up on left side. tape did not fully loadonto reel assembly.
SONYCCDF40
Incorrect part number of dt-71 boardOn page 147 of the ccd-f40 manual, the dt-71 board part numberis listed incorrectly. it is listed as a-7061-127-a.
SONYKPR46CX10
No red, crt filament openFilament open.
SONYSLHF1000
Tracking problem, input of one head is lowIn playback, unit has noisy video, tracking shift causes noiseto worsen. symptom appears to be a bad head. rf output shows little orno output from one head, the other is o.k. tracking shift causes thelevel to increase on one head and decrease on the o
SONYXR7150
No buzzer on xr-7150/7151/7152This problem was brought to my attention by a technician fromcosta mesa ssc, r. elliott. regarding this model as a repeat repair formuting of the beep sound. unit was checked and physically the unit doesnot have a buzzer nor does it appear on the schem
SONYD2
Missing reference number and part numberOn page 22 of the d-2 manual, there is no reference numberfor flex cable, and i could find no mention of it or a part number in theservice manual. -hq comments: there is a service manual correction no. 1 (9-953-376-91)which provides the part and referen
SONYCCDF50
The mounting plate for the a/v in/out jacks is unavailableIs there a part number for the mounting bracket for theaudio/video in/out jacks? -hq comments: the entire pcb must be ordered to obtain this part.
SONYCCDM8U
Cc-3 board availabilityIs the (cc-3) board available? -hq comments: yes, the (cc-3) board is part of the mechanical chassis.the part number is listed in service bulletin number vcr0298 (2/27/87).
SONYVTX1000R
Noise in pictureInterference in picture caused by frequency beating the video.the higher the channel number, the more intense the noise.
SONYCDP510
High noise during playHigh pitch noise through audio when playing. the noise couldbe seen coming out of ic-202 (d/a converter), but not going into the d/a.i replaced the d/a and had the same problem. i could also see the noisecoming out the ram.
SONYKV2783R
Intermittent tuner drift, resolder t-203 connectionsTuner would intermittently drift off channel. heating orcooling circuit yielded no results.
SONYD55
Incorrect part number - q411The part number listed on page 60 of the service manual is8-729-195-64. this part number does not come up in kansas city parts.found that the part number is incorrect. the correct part number is8-729-159-64. -hq comments: thanks for letting us know.
SONYKV32HSR10
Clock gains time, see s/b-87r1Clock gains time intermittently. -hq comments: please refer to service bulletin number 87.
SONYKV1938
Intermittent tuner drift, resolder if blockSet would intermittently drift off channel. heating andcooling circuit yielded no results.
SONYKV32XBR15
No volume control, replaced ic-251Unit displayed multiple audio problems. volume on screendisplay operated normally. sound volume was stuck at approximately halfvolume. if a change was made, it would not appear until channels werechanged. have had two other reports of this symptom.
SONYGV8
Is the vcvgv8 glass or plasticIs the vcvgv8 (sunshade) glass or plastic?
SONYGEN-HFP
Newer cdpEddy from eddys electronics claims that he corrects many ofthe skip problems with our new cdp. he heats the plastic retainer for oneof the sled drive gears and bends it. it is bent until there is noclearance between the gear and the retainer. -hq comm