Sony ------------------------------------------------------------ SKÄRMAR ------------------------------------------------------------ Model No.: CPD-1425 Fault: Width too wide - can't adjust, very bad pin sides. Remedy: Pin/Width circuit bad. Replace Q309 transistor - 2SB647 open / leaky ------------------------------------------------------------ Model No.: GDM17SE1, GDM20SE1 and Ra Fault: PICTURE OUT OF FOCUS IN RANDOM AREAS. Remedy: Bad IC404 TL082CP located on the front right corner of the main PC board rear view. ------------------------------------------------------------ Model No.: CPD-15SF1 Fault: Pinkish,purple screen Remedy: Replace Q203(C3955) Color driver transistor on CRT board ------------------------------------------------------------ PLAY STATION ------------------------------------------------------------ Model No.: Play Station 1 Fault: Key pads dont work Remedy: Replace pico fuse PS605 ------------------------------------------------------------ Model No.: Play Station ( old version) Fault: Games dont load or skips Remedy: open over,next to laser pickup folow ribon connector to main board, turn fb control to the right 1/8 of a turn try it again if dont it work FB = focus balance this fixed about 10 units for me with no recalls so far. ------------------------------------------------------------ VIDEO KAMERA ------------------------------------------------------------ Model No.: 9000v Fault: evf screen very bright & out of focus Remedy: C960 220uf 6.3v leaking ------------------------------------------------------------ Model No.: CCDTR/FX Series Fault: wavey lines through viewfinder Remedy: These units have several electrolytic caps on the viewfinder ecb, change them prob fix 100% of the time, have done dozens ------------------------------------------------------------ Model No.: CCD-F55 Fault: Bad picture. Remedy: Roller guide(s) set screw(s) have loosened. Adjust guides & reset screws w/fixative ------------------------------------------------------------ Model No.: DCRTRV9 Fault: INTERMITENT AUTO FOCUS Remedy: COLD SOLDER ON PLUG IN FROM CD185 BOARD TO VC206 BOARD CN451 TO CN201 FOUND SEVERAL CONECTIONS BAD ------------------------------------------------------------ Model No.: HDW-700 Fault: Not being able to record Remedy: Some times the HDW fails to record in 60fps mode, increasing potentiometer R4 on PCB 18B (wich is set a 250K's) to 300K or higher. Will make the machine able to record. Please note the Machine ONLY records on metal DTL tape. If you use Ordinary Digital Betacam Tape, be sure to divide time by 4, since HDCAM records at qaudriple speed! ------------------------------------------------------------ TV ------------------------------------------------------------ Model No.: 13M31 Fault: Powers up okay, got sound,But no Raster, No OSD,G2 has no effect Remedy: Find R#507, 330Kohm, was open! ------------------------------------------------------------ Model No.: 14 Inch & 17 Inch Sets (KV-XXXX) Fault: Excessive bright screen or fluctuating brightness Remedy: Check the 200V electrolytic which feeds the RGB transistors by adding additional 47uf/250 V electrolytic (This tip may also apply to other models) ------------------------------------------------------------ Model No.: 27TS36 Fault: Q601 AND Q602 CONTINES TO SHORT Remedy: T601 SHORTED ------------------------------------------------------------ Model No.: 14 Inch & 17 Inch Sets (KV-XXXX) Fault: Intermittent or no Video & Audio Remedy: Check for bad solder joints, Check or replace the IFB unit (example IFB-450) ------------------------------------------------------------ Model No.: AE2 CHASSIS Fault: NO OPERATING - LED BLOWS 13 TIMES Remedy: VERTIKALE IC VERV ------------------------------------------------------------ Model No.: k25mf1 Fault: replace str 6709 when plug in the out put volts 135 is not accorate about 5 to 8 volts up and down and degaussig relay is oa and off continous all supply resistens and capacitors ok Remedy: send me the power supply problems and circuit diagram of power supply ------------------------------------------------------------ Model No.: All models Fault: If you have a problem with a Sony TV Remedy: I can help you with tips and schema's ------------------------------------------------------------ Model No.: KP53V15 Fault: Convergence errors, congergence is bowed in on sides Remedy: Resolder IC1704 and IC1705 on convergence bd. ------------------------------------------------------------ Model No.: km 14M1E Fault: LIGA E VAI-SE ABAIXO LED PISCA 6X Remedy: VER TRANSFORMADOR DE LINHAS ------------------------------------------------------------ Model No.: KPR-46EX35 Fault: Red line accross middle of screen slightly warping Remedy: Re-solder convergance board (just behing the speaker screen)..Note: I found several connections mainly regulators that had cold and even broken solder joints. TV works great now! ------------------------------------------------------------ Model No.: KV-13VM20 Fault: Doesn't power-up Remedy: Found 6v reg. ic103,bad. Located in vcr ------------------------------------------------------------ Model No.: KPR46EX30 and similar models Fault: Intermittent convergence errors. Convergence blinking back and forth from correct, to wildly incorrect. Remedy: Resolder convergence board. It's the board in front with all the rheostats, visible when you remove the front speaker cover. ------------------------------------------------------------ Model No.: KV2060SA Fault: Audio is there but very soft Remedy: IC 201 - CX20015 It has a built in volume adj that works hand in hand with the volume control. change this and you will have max volume once again ------------------------------------------------------------ Model No.: KV 21RS10 Fault: HIGH VOLT. BUT NOT AUDIO NOT VIDEO Remedy: IC.401 A/V SWITCH MC14053BCP ------------------------------------------------------------ Model No.: KV-20TR22, KV-19TS20 Fault: No picture/audio or intermittent picture/audio. Remedy: Check grounds on tuner/demod/micro-controller shields. If this doesn't work try insulating insides of shields with electrical tape! Also check for inductive leafs touching together near connector on tuner. ------------------------------------------------------------ Model No.: KV-14R10C/7 Fault: intermittent or no video and audio Remedy: I would suspect that you have to take the tuner out and resolder all the ground connections ------------------------------------------------------------ Model No.: KV27EXR10 Fault: Distorted picture (Pincushion) Remedy: Replace R-527 & IC-531 ------------------------------------------------------------ Model No.: kv-20tr11 Fault: chattering relay or intermittent dead Remedy: replace c605 22ufd at 250v cap ------------------------------------------------------------ Model No.: kV27S25 Fault: picture to wide, can't reduce to proper size with tv in service mode Remedy: Replaced C522, a 1ufd cap in the pin cushion curcuit. ------------------------------------------------------------ Model No.: KV27T525 Fault: No, or dark video Remedy: Bad flyback, #1-439-372-13 (Sony#) ------------------------------------------------------------ Model No.: KV-2781R Fault: Both sides of pic.curving,w./hum bars Remedy: Replaced B+Reg.(STR3035)was leaky between pins 1 & 4 ------------------------------------------------------------ Model No.: KV27TR10 Fault: No raster audio muted turning up screen gets retrace lines Remedy: Replace C-574 ------------------------------------------------------------ Model No.: KV27TS20 Fault: Picture bowed in after warm up Remedy: Replace C-55O ------------------------------------------------------------ Model No.: KV27EXR25 Fault: Picture shifts downward and won't hold memory Remedy: Replace IC-651 ------------------------------------------------------------ Model No.: KV27TS22 Fault: Intermittent black spots in video Remedy: Replace IC-601 ------------------------------------------------------------ Model No.: KV27SXR10 Fault: Vertical bounce when inputting a video source Remedy: Replace leaky C-203 ------------------------------------------------------------ Model No.: KV27TR10 Fault: G-2 Volts real low with dark picture Remedy: Replace R-587, C-570, D-518 ------------------------------------------------------------ Model No.: KV27TS27 Fault: Wavy Picture Remedy: Replace T-604 ------------------------------------------------------------ Model No.: KV-27TS10 Fault: Erratic picture and sound. Goes to blank screen and comes back ok. Remedy: Tap on tuner, responds with noise in picture. Remove tuner/if mod, repair defective ground connections to frame and ckt board and coils. Problem solved. ------------------------------------------------------------ Model No.: KV27TS30 Fault: Very, very dim picture Remedy: Replace R-720 on CRT board D-518 & R-587 ------------------------------------------------------------ Model No.: kv27ts32 Fault: dead set Remedy: check other tip on this page, and add replacing the caps and diodes in the base circuit of q601/602 as well as any varistors that may be present (some models have them, some don't). ------------------------------------------------------------ Model No.: KV27TS20 Fault: Picture gas red outline, looks like gassy CRT; (not so) Remedy: Replace R-587 & D-518 ------------------------------------------------------------ Model No.: KV-27TS36 Ch. SCC-F84D-A Fault: Blowing Transistors Q601,Q602 and R607 Remedy: After replacing transistors Q601,Q602,Q591 and R607 low voltage power supply the set returned to normal operation. Two days later it was a dead set. Transistors Q601,Q602 were dead shorted and R607 opened. Q591 was still good. Replaced the flyback with a new one and Q601,Q602 and R607 failed again. Remedy: relace D603 and D605 low voltage P.S. Replace Pin-Damper and Damper Diodes D506, D507 and D508. As well as D501 1000V-Rect. Also replaced PM501 Protect Module (PM38) Sony P/N 1-810-475-11 and IC601 Power Module (DM-48) Sony P/N 1-810-051-11. Don't forget to check VDR601, VDR602, VDR603 and Capacitors C607, C608. Check all the resistors in power suplly for value change. Connect to variable transformer and monitor current and watts. Goog luck. ------------------------------------------------------------ Model No.: KV27TS22 - CH.#SCC05RA Fault: Rainbow colors & intermittent picture Remedy: Resolder THP-601 & degauss ------------------------------------------------------------ Model No.: KV27XRTU Fault: Frame foldover at top of pic Remedy: Check R803 is not D/J or O/C from pin 10 of Loptx. ------------------------------------------------------------ Model No.: KV-27TS27 Fault: Distorted or no audio Remedy: These sets have a small module or i.c. for the stereo mpx, they have smc caps that leak onto the board surface causing failure. They are located on one of the other plug-in modules so you have to pull these out to see this i.c. module. Sony part# is 8-746-371-10, part description is I.C. sbx1637-11, cost about $57.00 ------------------------------------------------------------ Model No.: KV32S15 Fault: Set dead - relay clicks on/off Remedy: PM501 (ic) ------------------------------------------------------------ Model No.: KV-32XBR Fault: Horizontal raster noise Remedy: This unit like most suffers from a bad SIF/VIF module. Usually the problem is the SAW filter. You have to buy the complete assy from Sony. Part # 1-464-755-21 or their replacement for IFE-450A ------------------------------------------------------------ Model No.: KV27TS31 Fault: Picture pulled in on all sides Remedy: Replace C-608 ------------------------------------------------------------ Model No.: KVA2922 (AE1C chassis) Fault: Intermittent start up. Remedy: Replace C605,C608,C611,C617. They tend to dry up ------------------------------------------------------------ Model No.: KV-27TS36 Fault: Keeps blowing HOT after 30 minutes on Remedy: R2 D501, 2000 PRV damper diode leaks ------------------------------------------------------------ Model No.: KV-27TW70 Fault: Smoked...Dead Remedy: Found bad solder joints at the Yoke connector of the main board. Cleaned up burnt area on Pwb, and and yoke connector socket, then resoldered connector pins on pwb ------------------------------------------------------------ Model No.: KVM 1421 (BE2A) Fault: Bright green screen with flyback lines Remedy: Q705(bf871 orbf460) ------------------------------------------------------------ Model No.: kv28ws2u Fault: EHT starts up ''too soon'' then shuts down, Led Blinks twice Remedy: CRT Flash over causes damage to EEPROM. Replacement of both required ------------------------------------------------------------ Model No.: KV-M2140/41/50/51 Fault: Horizontal line. Remedy: R819 (1.2Ho 1/4w)in the point 9 of line output transformer ------------------------------------------------------------ Model No.: KV32TS36 Fault: When turn on you can hear click sound like high voltage shut down. Remedy: Power supply still working, horizontal still good. Problem in the flyback, need replace flyback that take care problem. ------------------------------------------------------------ Model No.: KVX2901D Fault: Just Stand-By, Relay RY600 switches once Remedy: Bad soldering point or defective D314 (SMD part near the Tuner) ------------------------------------------------------------ Model No.: KV35V45 Fault: Low Hum on some channels 33 to 36 intermittently Remedy: cause:Needs Modification. Remove Coil L-2942 and replace it with a 100ohms 1w resistor ------------------------------------------------------------ Model No.: KV-G21S1 Fault: Shuts down at switch on, 115V supply OK Remedy: R563 (180k highin value or open cct ------------------------------------------------------------ Model No.: KVM 1621 Fault: Dead, fuse ok Remedy: PS 801 o/c, circuit protector feeding line output transistor ------------------------------------------------------------ Model No.: KVX2132U Fault: power on reduced height with poor V linearity Remedy: C531 680uF was found to be low value, (but slowly reformed after 20mins of power on). Replaced then all ok. It has been suggested that all decoupling electrolytics in this area are subject to failure. Probably not helped by high temp around V out driver ------------------------------------------------------------ Model No.: Various Models Fault: Intermitant problem. Set looses AFT lock and repeatedly tunes through channel selected. Remedy: Resolder connections to leads of transformers inside IF block sub assy. (This requires removal of the module.) Close examination of transformer leads with high magnification reveals tiny cracks in solder joints. ------------------------------------------------------------ VIDEO ------------------------------------------------------------ Model No.: any Fault: INTERMITANTLY SHUTS DOWN, HEAD DRUM RACES AND IT WILL NOT TAKE TAPE. ALSO DEW INDICATOR MAY COME ON INTERMITANTLY Remedy: RESOLDER SMT CONNECTOR ON THE BOARD ON THE BOTTOM OF THE CAMERA. ------------------------------------------------------------ Model No.: CCD-F45 Fault: HEADRUM SPIN ERATICALLY OR WILL NOT SPIN AT ALL. Remedy: CHECK AND REPLACE C528- 3.3UF 50V; C521, C522, C524- 1UF 50V; C525, C520. THE F SERIES HAVE A LOT OF OPEN CAPS. ------------------------------------------------------------ Model No.: SLV Series VCRs Fault: Horizontal 'smearing', rubbing noise in play mode. Remedy: Capstan Motor bearing worn, relax, it's an easy fix. Slide capstan shaft down enough to see the top of it. Stick a small nylon washer on top of the shaft.(a dab of grease helps) Reinsert shaft. While you're in the unit, be sure to pull the take-up load arm out and clean and relube the shaft. The factory lube tends to turn to glue and causes the unit to eat tapes on eject. ------------------------------------------------------------ Model No.: SLV-585HF Fault: No Tracking Control Remedy: Found the spring loaded arm that pinches the tape against the pinch roller and capstan stuck. removed, cleaned it with alcohol, and lubricated to free it up. ------------------------------------------------------------ Model No.: SLV-750HF Fault: Snowy picture on playback. Sound is good. Looks like dirty or bad video heads. Remedy: Replace IC801 located on the head amp assembly. This is the sheilded assembly mounted behind the head cylinder. ------------------------------------------------------------ Model No.: CCDTR50E Video Camera Fault: Picture seen through viewfinder on playback, but blank screen in record, although graphics are there Remedy: It is possible that the iris mechanism has seized closed, dismantle, clean, lubricate and rebuild ------------------------------------------------------------ Model No.: SLV-575UC Fault: Power on/off button and eject button operate inconsistently. Sometimes kicks cassette back out when trying to insert it. Remedy: Resolder both switches. ------------------------------------------------------------ Model No.: SLV715, SLV815, SLV777 Fault: Display icons are lighted dimly when they should be off. Remedy: There is a small 5.1 zenerdiode (labelled '512') at the front PCB, at the solder side, in the lower right corner of the diplay area. This is shorted, bringing the heater at -30V, where the heater becomes kathode as well, lighting the display. ------------------------------------------------------------ Model No.: SLV815VP Fault: Tape won't play. Remedy: Drum FG is missing. Check IC004 by measuring the Drum FG at Pin 17! ------------------------------------------------------------ Model No.: SLV825 & SLV835 Fault: Won't start! (Just Stand-By) Remedy: Replace the Goldcap on the Timer- board. (0,22F/5,5V) Clean the mess up! ------------------------------------------------------------ Model No.: SLVE800VC Fault: No picture with HF or Scart output Remedy: Reduce the resistance of R104 by soldering a 2,7k resistor over it! ------------------------------------------------------------ Model No.: SLV-E810 Fault: MACHINE SWITCHES TO RECORD WHEN PLAY IS SELECTED. THERE IS NO RESPONSE FROM THE R/C HANDSET Remedy: PINS ON ROTARY UNIT CONTROL PLUG TARNISHED - WITHDRAW PLUG, CLEAN WITH METAL POLISH AND BUFF. ------------------------------------------------------------ Model No.: SLVX810 Fault: Machine stops and shuts down. Usually on long tapes. Remedy: Decrease value of series resistor to infra red leds on reel sensors. The sensors lose output and dont get reliable signal from the reflector on the reel table. ------------------------------------------------------------ Model No.: SLV835 Fault: No Display. Just Stand-By Remedy: Check Goldcap C604 on the MF-167 Board. Maybe the fluid came out. Clean Board and replace the Goldcap. ------------------------------------------------------------ Model No.: SLV-825 Fault: display disappear when PAL/NTSC switch to PAL system but ok on NTSC Remedy: C604 memory cap leaking clean pcb also ------------------------------------------------------------ Model No.: SLV-750HF Fault: Snowy picture on playback. Sound is good. Looks like dirty or bad video heads. Remedy: Replace IC801 located on the head amp assembly. This is the sheilded assembly mounted behind the head cylinder. ------------------------------------------------------------ Model No.: SLV-585HF Fault: No Tracking Control Remedy: Found the spring loaded arm that pinches the tape against the pinch roller and capstan stuck. removed, cleaned it with alcohol, and lubricated to free it up. ------------------------------------------------------------ Model No.: SLV Series VCRs Fault: Horizontal 'smearing', rubbing noise in play mode. Remedy: Capstan Motor bearing worn, relax, it's an easy fix. Slide capstan shaft down enough to see the top of it. Stick a small nylon washer on top of the shaft.(a dab of grease helps) Reinsert shaft. While you're in the unit, be sure to pull the take-up load arm out and clean and relube the shaft. The factory lube tends to turn to glue and causes the unit to eat tapes on eject. ------------------------------------------------------------ Model No.: CCD V30E Fault: Horizontal lines on playback Remedy: According to the repair databases I checked, the problem is a damaged head. It turns out that the tape guides were out of alignment. The head is perfect even though it does show some signs of wear. ------------------------------------------------------------ HI-FI ------------------------------------------------------------ Model No.: All A/V Receivers Fault: Goes into protection. cuts off. acts funny Remedy: Tighten all ground screws, better yet weld grounding pads to chassis, use a solder gun, file to metal finish first ------------------------------------------------------------ Model No.: Any CD Player Fault: Draw won't stay closed with or without a CD inserted. Remedy: Most probably the loading belt is stretched and needs replacing. I have repaired a few of these in the past and have all had the same problem. Hint:- I have found that a suitable sized elastic band works perfectly well as a temporary measure. ------------------------------------------------------------ Model No.: Cassette Fault: Whirring noise in record mode Remedy: changed recorder/play switch and relay. Works like a charm now ------------------------------------------------------------ Model No.: CDP-32 Fault: Door won't stay closed with or without CD in it Remedy: 1 of 2 reasons #1 the loading belt is slipping and needs to be replaced, #2 the open close sensor (micro switch) is defective or missaligned ------------------------------------------------------------ Model No.: CDP-32 and all Fault: Door Open with or without CD Remedy: realign the gear that open the door Probably Hit by accident ------------------------------------------------------------ Model No.: ICF-SW77 Fault: Powers on ok but no sound at all Remedy: Replace IC408 Sony p/n 8-759-801-15 ------------------------------------------------------------ Model No.: CDP-32 CD player Fault: door dont stay closed Remedy: Change Belt that closes door & clean or replace door switch assembly ------------------------------------------------------------ Model No.: cdp32 Or any Fault: Problems with door opening or closing Remedy: Its always the drive belt on Sony Players It stetches and causes all sorts of problems, including the symptoms described. ------------------------------------------------------------ Model No.: ICF-1 Fault: Distortion on output Remedy: Replace Q601 Power regulator ------------------------------------------------------------ Model No.: CDP-32. most hcd and cdp models using this mech. Fault: When tray door closes not engaging sled mechanism. Door keeps opening. Remedy: Dismantle unit and remove tray from mech, apply grease (floil brand) to ball rail. (area which the sled mechanism uses to engage tray. Replace loading belt) Area in question is the part of the tray which the sled section travels up and down on to engage disk. ------------------------------------------------------------ Model No.: CFM-2000 Fault: Eating tapes - take up reel not spinning. Remedy: Stretch out slightly (or replace) idler tire arm spring. Very common problem to ALL Sony audio cassette tape devices. ------------------------------------------------------------ Model No.: CDP-C160Z Fault: Will not play CD. Carosel will not turn. Remedy: Replace 6 conductor ribbon cable between carosel and main board. Found ribbon cable broken (all six conductors). ------------------------------------------------------------ Model No.: CFD-540 Fault: Only rarely getting through TOC w/out 'no disk' error. When it does get through OK, it plays fine. Remedy: Clean optics & adjust trimmer slightly on optical pick-up unit. ------------------------------------------------------------ Model No.: CDP-C910 10-CD changer Fault: Does not recognize the CD; CD won't spin. Remedy: Flat foil cable to the laser pickup is broken. It's hard to see, but usually this happens. The new cable from Sony is shorter to prevent it from happening again. Sony part # 1-575-001-11 ------------------------------------------------------------ Model No.: CDP-M303 Fault: PROBLEM: NOT READ TOC OR READ ERRATIC WHIT "NO DISC" IN DISPLAY Remedy: Bad solder in r-138 in RF board, down the pick-up block. ------------------------------------------------------------ Model No.: CDP-M303 Fault: NO READ TOC, OR READ ERRATIC Remedy: BAD SOLDER IN R-138 (SMD) ON RF BOARD, BACK TO PICK-UP ------------------------------------------------------------ Model No.: CDP-M303 Fault: NO READ TOC, OR READ ERRATIC Remedy: BAD SOLDER IN R-138 (SMD) ON RF BOARD, BACK TO PICK-UP. ------------------------------------------------------------