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Intrepid Video & Electronics


RCA VCR REPAIR TIPS


Copyright Intrepid Video & Electronics

 

RCA

PSVR62 Plays fine, when ejecting, guides hesitate on way back Mode switch
PSVR65 Dead C812(100/25v)
T09081 Intermittent audio Solder connections on PCB near speaker, head phone jacks
T09082 No response from front panel or remote DM607, DM608 or DM609 leaky, pin 61 ICM601, or replace ICM601(246759)
T13060 *Power light flashes, then goes out.

*Will not load cassette. Mode motor runs in reverse.

*Takes tape, powers down, drum shakes.

*Capstan running too fast

*Only ch & vol work on front panel. Remote functions work

*Goes dead in 5 secs.

*Part ID RL06-2 possibilities

*Parental lock is active. Hold power, on remote for 7 secs.

*Clean/replace mode switch.

*Dust build up on optical cage of drum motor

*IT002-224950

*1K02, switch control IC, back of control PCB on IC=HCF4021

*Mode switch, check alignment, check pinch roller placement

*232460(CF-4.7K/0.7w), 220655(680/2w)

T19060(13TVR60 13TVR70 19TVR60 T13010) *TV works OK, cassette goes in part way, then ejects

*Power light flashes, then goes out.

*Will not load cassette. Mode motor runs in reverse.

*Takes tape, powers down, drum shakes.

*Capstan running too fast

*Only ch & vol work on front panel. Remote functions work

*Goes dead in 5 secs.

*Part ID RL06-2 possibilities

*Intermittent video to blue screen, tuner & play back

*Dead, fuse OK. Good raw B+ 165 on CP07, TP01(coll). No voltages on CP36

*Parental lock, hold power, on remote for 7 secs.

*Parental lock is active. Hold power, on remote for 7 secs.

*Clean/replace mode switch.

*Dust build up on optical cage of drum motor

*IT002-224950

*1K02, switch control IC, back of control PCB on IC=HCF4021

*Mode switch, check alignment, check pinch roller placement

*232460(CF-4.7K/0.7w), 220655(680/2w)

*Check pin 2 IV001(TA8893AN) if bad, replace IV001.

*DP20-232423

T20015 *Dead

*TV dead, no relay click, VCR loads/unloads.

*Q801, in relay drive circuit leaky (2SC945).

*Q52(C945P), D51(10v zener)

T25001 Dead R9903(150k) in VCR power supply
T25003 White screen, dim video Q791 leaky, no 9v on col(178651)
T25062 Bright screen, retrace lines Check for open traces from FBT
TC250003BC No tuner, no capstan Q9918(228628)

VARIOUS

*Capstan speed off in playback

*Plays 6 secs, shuts off. Counter advances

*Open diode in p/s for capstan. 3 in series, replace all

*Solder reel sensor.

VJT275 Tape stops durin play, ejects tape. No ff/rew, or take up oil or replace capstan
VJT400 Plays 10 secs., then stops. Check drive belts
VLT470 No display, no tuner channels Replace DC-DC kit # 163818
VLT472 No display Replace DC-DC with kit, check C754 on timer PCB
VKP900 *No tuning, remote functions, channels won't change

*OSD jumps, flickers

*C901-3300uf

*C902 on REG PCB, bottom of tuner/timer

VKP950 Slow FF/REW, audio muffled, distorted in play back Swtiching reg #160788, VCR deck, right rear corner
VMT390A Will not load, auto prog or change channel Fuse #3 GMA 3a
VMT395 Loads tape, won't play, then unloads, but no eject Pin, on cam, next to capstan which slips through holder
VPT295 Accepts, no pl, ff, rew. Keep hitting eject for tape Leaky ZD805, R258(680) decreased
VPT296 No power to capstan Repair circuit traces from IC602
VPT395 Dead Replace STK5372
VPT630HF Won't accept, shuts down STK5372
VR250 Internal audio record Poor conection CN501, on pcb end.
VR270(VR450) *Poor video, audio buzz

*Dead, comes on after a while

*C866(3300), C867(4700) common

*C766

VR273 Hum bar C866, in power supply
VR273A Powers on, all functions except play. C866(3300/16v)
VR280 Capstan intermittent speed Path btwn. IC601 pin 26 & R611
VR290 *Changes speed from SP-SLP in play mode

*No counter movement, center LED not emmitting

*AC cable intermitent

*D0207 (1N4148)[MA165]

VR300( VR330, VG2001, VG2007, VR3300, M221) *SLP mode very slow, cannot track SP & LP

*No capstan movement.

*Drum motor spins too fast, shuts down.

*In play, pic pulses snowy to good

*No load or intermittent

*Eats tapes, capstan not rotating

*Lower drum assembly bad.

*Check D112, replace 10 uf cap on capstan pcb, repair traces.

*Loose connecton, drum stator pcb, esp. J2, J3.

*Adjust AC head, replace 10uf cap on capstan pcb

*D112, 12v supply

*C6, 10/25v capstan pcb, repair trace.

VR301 VR335 VR505 VR515 VR660HF VG2010 VG2016 VG4016 VG4216 *Dead, no display

*Will not accept, eject cassette.

*No capstan rotation

*In play, returns to stop, FF/REW OK

*Dead, no capstan, will not accept or no play.

*Cathode of D1103 or 1104 <3v, normal=9v(1N4001)

*Cathode of D114 <5v, norm=14v (1N4001)

*D114 cathode<5v, norm=14v (1N4001)

*D110 cathode <5v (pl/rec), norm=13v; 15v in FF/REW. Repl. D108, 109, 110(1N4001)

*Kit # 216135, includes 7 diodes (1N4001)to repair various problems.

VR319 (VR320 VR506 VR510 VR526.) *Dead

*Takes tape half way, alignment ok

*Loads tape, no play, eject

*IC101 specs.(ECG7128)

*Pulls tape off course, esp during FF scan.

*Dead, no display

*Powers on by itself, tries to take empty carriage

*C09(22BP) in power supply, C14, C15

*Gear on right side broke. Kit#221066

*Mode switch

*Pin 1(B+ input-15v), Pin 2(B+ output 12v), Pin 3(ground), Pin 4 ( high on 5.2v)

*Too much t/u torque, replace clutch

*Check BD601 inductor, may test OK in circuit.

*D603, D602-if no help, replace LED

VR320(VR319 VR506 VR510 VR526) *Dead, display flashes

*Loads tape, no play, eject

*Takes tape half way, alignment ok

*IC101 specs.(ECG7128)

*Pulls tape off course, esp during FF scan.

*Dead, no display

*Powers on by itself, tries to take empty carriage

*Replace C09,c14,c15 in power supply

*Mode switch

*Gear on right side broke. Kit#221066

*Pin 1(B+ input-15v), Pin 2(B+ output 12v), Pin 3(ground), Pin 4 ( high on 5.2v)

*Too much t/u torque, replace clutch

*Check BD601 inductor, may test OK in circuit.

*D603, D602-if no help, replace LED

VR321 *Cassette load inop

*Dead, with blown fuse

*Takes tape half way, alignment ok

*C601, 0.01uf/16v ceramic cap

*Q-1, Q-2, D-2, D-3, C-4

*Gear on right side broke. Kit#221066

VR326 (VR319 VR506 VR510 VR526) Takes tape half way Check carriage gear alignment
VR327A Cassette up, unit keeps skipping teeth Replace snapped chassis lock on right side (VVDS0017)
VR329 Will not accept cassette, works fine w/ cover off Replace LED, check solder at end sensors
VR330(VR300, VG2001, VG2007, VR330, M221) *SLP mode very slow, cannot track SP & LP

*No capstan movement.

*Drum motor spins too fast, shuts down.

*In play, pic pulses snowy to good

*No load or intermittent

*Eats tapes, capstan not rotating

*Lower drum assembly bad.

*Check D112, replace 10 uf cap on capstan pcb, repair traces.

*Loose connecton, drum stator pcb, esp. J2, J3.

*Adjust AC head, replace 10uf cap on capstan pcb

*D112, 12v supply

*C6, 10/25v capstan pcb, repair trace.

VR332 *Tadpoles

*Drum motor noise in play back

*Dead, fuse open.

*RCA kit 229296-drum kit

*Re-solder power supply shield, bottom board.

*D026, D027 in power supply (1N4007-ECG125)

VR335 VR301 VR505 VR515 VR660HF VG2010 VG2016 VG4016 VG4216 *Dead, no display

*Will not accept, eject cassette.

*No capstan rotation

*In play, returns to stop, FF/REW OK

*Dead, no capstan, will not accept or no play.

*Cathode of D1103 or 1104 <3v, normal=9v(1N4001)

*Cathode of D114 <5v, norm=14v (1N4001)

*D114 cathode<5v, norm=14v (1N4001)

*D110 cathode <5v (pl/rec), norm=13v; 15v in FF/REW. Repl. D108, 109, 110(1N4001)

*Kit # 216135, includes 7 diodes (1N4001)to repair various problems.

VR336 Heads spin up, shuts down Resolder end sensors
VR339 (VR348 VR509) *Video takes a few seconds to sync, no OSD

*Dead, display may flash.

*Part ID

*IC501(LC74763-9119) RCA#235541

*Frozen mode motor.

*LED(235535), sensors(235585)

VR345 Intermittently shuts down C104 1uf/50v in power supply
VR348 (VR349 VR509) *Video takes a few seconds to sync, no OSD

*Dead, display may flash

*Part ID

*IC501(LC74763-9119) RCA#235541

*Frozen mode motor

*LED(235535), sensors(235585)

VR450 (VR270) *Poor video, audio buzz

*Display dim

*Dead, power supply OK

*Cassette ejects after a few secs.

*Won't play, tape loads, tuner problems.

*No power

*Plays for a while, then video goes

*C866(3000), C867(4700) common

*C865 47uf/50V

*Must have 3 highs on mode switch for display, replace IC753(BA62090

*C866 (3300/16v), beside tuner

*C866 (3300/16v) beside tuner

*R852, C865 open

*Check SM caps on head amp

VR451 *Display dim

*Erractic functions, cassette load and capstan.

*Loads tape, no cylinder, press play and works.

*Goes into play, press top of capstan, goes FF search.

*Dark video on play back

*Hum bars in pic, buzz in audio.

*C865 47/50v

*ESR all power supply caps, some leaked, some open.

*Mode switch

*Load motor IC

*Check power supply for several bad caps

*C866

VR452 *Accepts, then rejects cassette

*Overload, bending picture

*C7778 (330/6.3v)

*C866(3300/16v), C874(1/50v), in power supply section

VR475 *Will not REW, eats tapes on eject

*Will not take cassette. Eject light is lit indicating tape-in. May work after warm

*Idler wheel not meshing with supply reel. Clutch #191367

*End sensor Q142, #183053

VR480 Video play back & OSD jitters C7, or C1016, power supply 330/6.3
VR500 *Poor EE video

*Shuts down soon after power on

*Cust complained poor recorded video. They use cable box and didn't notice problem was tuner. Resolder tuner pins and grounds.

*Can hear cylinder spinning too fast-repair solder connections on cylinder pcb

VR503 *Load problems, loads half way

*Plays 6 secs, shuts down. Counter advances.

*Panasonic kit VVDS0017, small white nub broke off.

*Poor connections IC2, t/u reel sensor

VR505 VR301 VR335 VR515 VR660HF VG2010 VG2016 VG4016 VG4216 *Dead, no display

*Will not accept, eject cassette.

*No capstan rotation

*In play, returns to stop, FF/REW OK

*Dead, no capstan, will not accept or no play.

*Cathode of D1103 or 1104 <3v, normal=9v(1N4001)

*Cathode of D114 <5v, norm=14v (1N4001)

*D114 cathode<5v, norm=14v (1N4001)

*D110 cathode <5v (pl/rec), norm=13v; 15v in FF/REW. Repl. D108, 109, 110(1N4001)

*Kit # 216135, includes 7 diodes (1N4001)to repair various problems.

VR506A (VR319 VR320 VR510 VR526) *Dead

*Takes tape half way, alignment ok

*OSD distorted

*Display flashes bright, then dim.

*IC101 specs. (ECG7128)

*Pulls tape off course, esp during FF scan.

*Dead no display.

*Powers on by itself, tries to take empty carriage

*C09, in power supply

*Gear on right side broke. Kit#221066

*C14-470uf/16v in power supply

*Replace C09(22ufBP) re-solder joints on board.

*Pin 1(B+ input-15v), Pin 2(B+ output 12v), Pin 3(ground), Pin 4 ( high on 5.2v)

*Too much t/u torque, replace clutch

*Check BD601 inductor, may test OK in cir

*D603, D602-if no help, replace LEDcuit.

VR507 *Dead

*Dead, timer LED flashes, won't accept tape

*At power on, capstan pulsates

*C08 in power supply

*First, check for parental lock-hold power on remote for 7 secs. or C09(22/16v np), C04(4.7/25v), C05(82/200v)

*C09(22/16v np), C4(4.7/25v)

VR509 (VR339 VR348) *Video takes a few secs to sync, No OSD

*Dead, display may flash.

*Part ID

*IC501 (LC74763-9119) RCA#235541

*Frozen mode motor.

*LED(235535), sensors(235585)

VR510(VR319, VR320, VR506, VR526) *Takes tape part way

*Dead, display may flash

*IC101 specs. (ECG7128)

*Pulls tape off course, esp during FF scan.

*Dead no display.

*Powers on by itself, tries to take empty carriage

*Check carriage gear alignment or gear on right side broke, kit #221066

*Replace C09, C14, C15 in power supply

*Pin 1(B+ input-15v), Pin 2(B+ output 12v), Pin 3(ground), Pin 4 ( high on 5.2v)

*Too much t/u torque, replace clutch

*Check BD601 inductor, may test OK in circuit.

*D603, D602-if no help, replace LEDcuit.

VR515 VR505 VR301 VR335 VR660HF VG2010 VG2016 VG4016 VG4216 *No display

*Dead, no display

*Will not accept, eject cassette.

*No capstan rotation

*In play, returns to stop, FF/REW OK

*Dead, no capstan, will not accept or no play.

*R106, R107 open 100 ohm

*Cathode of D1103 or 1104 <3v, normal=9v(1N4001)

*Cathode of D114 <5v, norm=14v (1N4001)

*D114 cathode<5v, norm=14v (1N4001)

*D110 cathode <5v (pl/rec), norm=13v; 15v in FF/REW. Repl. D108, 109, 110(1N4001)

*Kit # 216135, includes 7 diodes (1N4001)to repair various problems.

VR516 Hum bars in p/b and tuner C856 in power supply(2200/16v)
VR518 No video C810 & C164
VR519 Tape stuck, won't load-cylinder spinning. C1004(82/200v) in power supply.
VR521 No eject, eats tapes Cracked main body gear shafts on idler assembly
VR522 *Will not load tape, shuts off

*Turns on, shuts off. Loader always tries to eject.

*Loads tape half way, shuts off

*Q312

*Re-solder end sensors, or replace.

*Gear attached to load motor shaft has split and is loose.

VR523 Eats tape, no capstan. Broken tension spring, hidden in 3 plastic gears, is broke. Base assembly p/n 191367
VR525 *Won't accept tape, cassette-in lit.

*No EE video, intermittent

*Clean/replace mode switch.

*X601(241903) off pins 72, 73, IC 601, C614, C615

VR526(VR319 VR320 VR506 VR510) *Display flashes

*Accepts cassette part way, alignment ok

*IC101 specs. (ECG7128)

*Pulls tape off course, esp during FF scan.

*Dead no display.

*Powers on by itself, tries to take empty carriage

*C14, C15, C09

*Gear on right side broke. Kit#221066

*Pin 1(B+ input-15v), Pin 2(B+ output 12v), Pin 3(ground), Pin 4 ( high on 5.2v)

*Too much t/u torque, replace clutch

*Check BD601 inductor, may test OK in circuit.

*D603, D602-if no help, replace LEDcuit.

VR528 *Front panel shows "LOCK", when power is pressed

*Dead

*Tadpoles

*SMPS runs in burst, low AC current

*Press, hold VCR1(2) for 7 secs, on remote

*P/S IC (U4614B)

*RCA drum kit #229296

*CP096 (Off IP003, pin 5) CP095(IP003, pin 3)

VR530 *Dim light on display

*Dead

*Dead, power supply pulsates

*SMPS won't start

*Shows "LOCK" in display

*Dead unit

*CP41(220/10v) & CP70(10/50v) & CP08(220/10v) in power supply.

*CP08, 100/25v

*CP07, 10/50v

*TP01 shorted,R18 open, CP08 leaky, p/s supply must have load to operate.

*Hold power(or VCR1) button on remote for 7-10 secs.

*CP04 in power supply

VR532 (VR541 VR542) *Does not erase, record audio

*Display shows "Lock"

*Dead-Q801(BUL26X1) shorted, R817(0.82 ohm) open

*R781-18 ohm 1/2 watt

*On remote, press 'ON' button for 8 seconds.

*Replace R818, check IC on primary in p/s

VR534 Dead RF852(8.2 ohm) C852
VR536 WOW in audio, white streaks going up C805 in power supply
VR537 *Display flashes, no functions

*Dead or won't power up for 2 min.

*Video jitter in p/b, audio OK

*Takes cassette part way, alignment OK.

*While pushing cassette in, clock goes out and won't accept.

*Check IC101, 5 pin for solder

*C09, 22uf/16v BP, in power sup.

*C14

*Gear on right side broke. Kit#221066

*Pin 1(B+ input-15v), Pin 2(B+ output 12v), Pin 3(ground), Pin 4 ( high on 5.2v)

VR538 *Tadpoles in play back

*Dead, no display

*No load, no power on, capstan joggs in reverse

*Won't accept tape

*RCA drum kit #229296

*C53-4.7/50v, in shielded module

*Guide roller gears off by one tooth or other alignment problem

*Loading lever under cam gear (224988)

VR539 Eats tapes on eject. Capstan doesn't rotate as guides pull back. Mode switch, located in load motor block.
VR541 (VR532 VR542) *Doesn't erase, record audio

*Display shows "Lock"

*Dead-Q801(BUL26X1) shorted, R817(0.82 ohm) open

*Dead, no display, no functions

*R781-18ohm, 1/2 watt

*On remote, press 'ON' button for 8 seconds.

*Replace R818, check IC on primary in p/s

*C813(10/50v), C812(100/25v)

VR542 (VR532 VR541) *Doesn't erase, record audio

*Display shows "Lock"

*Dead-Q801(BUL26X1) shorted, R817(0.82 ohm) open

*R781-18ohm, 1/2 watt

*On remote, press 'ON' button for 8 seconds.

*Replace R818, check IC on primary in p/s.

VR557 Audio out of sync with lips.(new unit) Unit came out of box like this, reposition audio head.
VR564 Loads cassette around heads, returns to stop. Works fine on pre-recorded tapes Turn off auto-play in menu.
VR601HF OSD flutter, unstable video, will not fully load tape C16(20/6.3v)
VR605HF *Drum doesn't start.

*Part ID

*Drum motor control IC(AN3813K)

*120uf/200v cap-RCA# 190631

VR610HF Dead C09, C04
VR611HF *Dead, storm damage

*Dead

*D64 in power supply

*C54, C56, R56, R55. Check Q52 for leakage (E/C)

VR615HF Dead, no display, no functions C813(10/50v), C812(100/25v)
VR616HF *Dead, no display, no functions

*Part, ID, will not load tape

*C813(10/50v), C812(100/25v)

*Nub breaks off grey arm. (224988)

VR617HF No load, unload Bad foil connection btwn. D32, L31 in power supply
VR618HF No load or eject D503
VR620 *Video p/b & OSD jitters

*Will not eject, may be intermittent

*C7 or C1016 in power supply (330/6.3)

*Solder motor driver IC

VR621HF *Won't load tape

*Dead

*IC904(BA6209)

*Open RF871(68-1/8w) in power supply

VR625HF Video p/b & OSD jitters C1016 (330/6.3) in power supply
VR639HF *No motor action, display only, no 12v to IC604

*Won't load cassette, no tuning. May have display

*Q805(229734, KTA1273)

*Q805(12v reg, 2SA1271)

VR657 *Video looks like bad heads

*Takes cassette part way, alignment ok

P/S ZD3 & C13, check all caps

*Gear on right side broke. Kit#221066

VR657HF *OSD jitters & poor p/b video

*Dead, display may flash quickly

*Noisey video, random black lines

*C14 in power supply (220/16V)

*C09(194339) in power supply. Check C04, C14

*C16, C19(330/25v) in power supply

VR658HF(VG2035) *Tries to load empty carriage.

*Dead, display flashes.

*Takes cassette part way, alignment ok

*Parts ID

*Video alternates from good to bad

*Check solder at S603(LED). If OK, replace LED.

*C14, C09

*Gear on right side broke. Kit#221066

*End sensors-215398; LED-212621

*Clean AC head

VR660HF VR505 VR301 VR335 VR515 VG2010 VG2016 VG4016 VG4216 *Speed slow in p/b, tracking lines

*No display

*Dead, no display

*Will not accept, eject cassette.

*No capstan rotation

*In play, returns to stop, FF/REW OK

*Dead, no capstan, will not accept or no play.

*Will receive some channels, or no channels.

*IC201, servo microprocessor

*R106, R107 open 100 ohm

*Cathode of D1103 or 1104 <3v, normal=9v(1N4001)

*Cathode of D114 <5v, norm=14v (1N4001)

*D114 cathode<5v, norm=14v (1N4001)

*D110 cathode <5v (pl/rec), norm=13v; 15v in FF/REW. Repl. D108, 109, 110(1N4001)

*Kit # 216135, includes 7 diodes (1N4001)to repair various problems.

*Change R409 from 47k to 100k. Add 100k to IC401-pin 14 to ground on vertical PCB

VR663 *Dim display

*SMPS won't start

*Dead

*Dead, power supply pulsates

*Shows "LOCK" in display

*Dead Unit

*No display

*No play, FF, REW-tape spills.

*CP41, 220/25v, & CP08 (100/25v)in power supply

*TP01 shorted,R18 open, CP08 leaky, p/s supply must have load to operate

*CP08, 100/25v

*CP07, 10/50v

*Hold power (or VCR1) on remote for 7-10 secs.

*CP04 in power supply

*CP41(220/25v), CP71(10/50v)

*Check that capstan pulley did not pop off

VR664HF *Dead

*Loads tape, no play, eject

*Takes cassette part way, alignment ok

*Pulls tape off course, esp during FF scan.

*C09, 22uf/16vBP, C14, C15

*Mode switch

*Gear on right side broke. Kit#221066

*Too much t/u torque, replace clutch

VR667HF *Video goes to B&W after 40 mins

*Display shows 'locked'

*Dead, p/s voltages half of normal.

*Cold solder #1 of P202--or--C433 on video pcb

*Hold 'power' on remote for 7 secs.

*D828 is leaky

VR671HF *Won't accept cassette

*D1005

*No color and/or ripple in play back

*Re-time deck (Panasonic)

*P/N 190206 or MA188

*In chroma circuit @ location IC001, replace SM caps, 4.7, 10, 100, 2.5uf

VR673HF Will not load tape Lever #224988
VR677HF Changes capstan speed intermittently C613, check all 10uf caps.
VR678HF Dead Q801,R817,R818,C813,D808,D809,R815
VR680HF Poor play back, eats tape Clean mode switch, p/n 206183
VR688HF *Dead, no display

*Power supply pulsates

*C813(10/50v), C812(100/25v)

*Q801(BUL26XI), R817(0.82), R818(2.2k), C812, D807(BA157, ECG552)

VR689HF Part ID Supply side guide post-225331
VR690HF *Tape loads-No drum movement

*Multiple problems, no pic, speed fast

*IC1651

*Caps near micro, 10/16v, 2.2/50v, 10/50v-high ESR

VR692HF Intermittently loses memory including clock Have customer contact RCA, they may replace it.