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I have an NEC VCR VHG-104 which has displayed "lock on" . How do I get to "lock off"?

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This specific solution is for an RCA VCR, but give it a try for other vendors and models.

The RCA or child lock feature [tradmarked as Pro-tect Plus(TM)] is controlled absolutely via the RCA remote control unit. The setting can be very easily activated by accident without any clear indication of what you did to cause the change.

My specific model is an older RCA model VR629HF, but this issue is similar across multiple RCA models. No override method appears to be documented, if such override exists at all.

However, even new RCA remote control units seem to work well when paired with older RCA players, as I have recently replaced a worn-out RCA remote unit. If you have another vendor's product, simply try the steps below or search for "Child Lock" or "Protect" on your vendor's product support pages for your model.

(1) Enable/Activate the child lock - Point the RCA remote control at your VCR and press and hold the VCR (or VCR-AUX, or even the ON/OFF as newer models offer both options). Hold the button for 6 seconds. "SAFE" is displayed in the status display window. The VCR appears to become an excellent boat anchor at this point. It is frustratingly disabled.

(2) Disable/Deactivate the child lock - Repeat the procedure in Step 1 above. The same procedure is used toggle the feature on or off.

IF THE REMOTE DOESN'T WORK, YOU'RE TOAST! So, please read on to make sure your remote is working.

If Step #2 above fails - as in my case - the remote control unit may have gone temporarily bonkers.

(3) Make sure your remote control batteries are good!
Dead battery = no service
Weak battery = questionable service

(4) Remove the batteries from the RCA remote.

(5) Wait 30 seconds or longer. Reinstall working batteries. The remote control should (may?) reset itself to its default, factory settings. The factory settings then should work with your RCA equipment, but you may have to reset the key codes for the remote.

If this is not working see if there is a child lock setting in the main menu, if so you can unlock it there also. I will see if there are more specific instructions for your model, but there doesn't seem to be at the moments

Posted on May 26, 2011

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Remote codes


IR remote codes might not be available for those specifically, or they may not support all the features in your universal remote.
http://www.thompsontv.com/zcodes.html
Here is a list of codes for your Zenith Remote Control
TELEVISIONS
Admiral
116, 121, 130, 133
Marantz
104, 120, 155
Adventura
154
Megatron
146
Akai
104
Memorex
121
Amark
103, 146
MGA/Mitsubishi
104, 119, 120, 130, 133, 140, 155, 169, 178
AOC
104
Montgomery Ward
103, 104, 105, 113, 114, 119, 121, 130, 133
Bell & Howell
121
NEC
104, 119
Broksonic
131, 136, 182
Orion
176
Candle
139
Panasonic
106, 107, 160, 166
Centurion
119
Philco
103, 104, 112, 113, 139
Citizen
121, 139
Philips
112, 113
Contec
141
Pioneer
135
Coronado
103
Portland
103
Crown
103
ProScan
116, 157, 162, 167
Curtis Mathis
116, 119, 121
Quasar
106, 107
Daewoo
149, 159
RCA
104, 116, 126, 157,161,162,167,168
Daytron
119
Realistic
105, 123, 124
Elektra
121
Sampo
119
Emerson
103,104,123,124, 131, 136, 145, 176
Samsung
103, 119, 134, 141
Fisher
109, 118
Sanyo
108, 109, 118
General Electric
106, 107, 114, 116, 117, 161
Scott
119, 124
Goldstar
103, 104, 119, 147, 184
Sears
103, 108, 109, 110, 111, 118, 134
Hitachi
102, 103, 129, 163, 121
Sharp
103, 105, 122, 133, 137, 156, 169
Inteq
101
Signature 2000
103, 104, 105, 113, 114, 119, 121, 130, 133
J.C. Penney
104, 110, 114, 117, 119
Sony
115, 143, 151, 170
JVC
125, 132, 164
Soundesign
139
KMC
103
Sylvania
112, 113, 117, 119, 127, 128, 139
KTV
103, 104, 138
Tatung
106
Kurazai
121
Teknika
103, 112, 121, 124, 139
LG
184
Telerent
103, 121
Lodgenet
121
Toshiba
110, 111, 134, 171
Logik
121
XR1000
121, 154
LXI
133, 137
Yorx
119
Magnavox
103, 112, 113, 117, 119, 127, 128, 130, 139, 165
Zenith
101, 142, 149, 177
Majestic
121
Zenith Star Sight
175
VCR
Admiral
208, 261
Ward
231, 249
Adventura
231
Multi Tech
239
Aiwa
231
NEC
202, 218
Akai
223, 238, 241
Optimus
208, 209, 259
Audio Dynamics
202, 206, 218, 247
Orion
233, 250
Bell & Howell
206, 247
Panasonic
214, 251, 259
Broksonic
221, 226, 233, 250, 255
Pentax
215
Canon
214
Philco
207, 214
Citizen
209
Philips
207, 214, 227
Craig
212
Pioneer
210, 215
Criterion
239
Portland
246
Curtis Mathis
214, 259
Pro Scan
216, 260
Daewoo
244, 246, 248, 254
Quasar
214, 259
Daytron
236, 246
RCA
215, 216, 220, 227, 240, 242, 244, 260
DBX
202, 218
Realistic
206, 208, 212, 214, 231
Emerson
203, 209, 221, 223, 226, 233, 235, 243, 250
Samsung
220, 230, 238
Fisher
211, 212, 213, 247
Sansui
239
Funai
231
Sanyo
206, 212, 247
General Electric
214, 216, 220
Scott
204, 205, 233, 243
Goldstar
209, 273
Sears
206, 209,211, 212, 215
Go Video
256, 262, 263, 275
Sharp
208, 261, 272
Hitachi
215, 231, 257
Shintom
239
Instant Replay
214, 227
Signature 2000
208, 214, 216, 219, 231, 249, 261
Inteq
273
Sony
217, 232, 237, 274
J.C. Penney
214, 215, 218, 227
Sylvania
207, 214, 227
JVC
202, 224, 225, 258, 263
Symphonic
231
Kenwood
202
Tashiko
209
Logik
239
Tatung
202
LXI
209, 231
Teac
202, 231
Magnavox
207, 214, 231
Teknika
209, 234
Marantz
207, 218
Toshiba
205, 215, 271
Marta
209
XR1000
239
Memorex
206, 212, 214, 231
Vector Research
204, 218
Mitsubishi
204, 222, 252, 264
Yamaha
202, 218
Montgomery
208, 214, 216, 219,
Zenith
201, 224, 225, 229, 237
TV/VCR Combo
Daewoo
148
Panasonic
174
Emerson
158
RCA
179
Funai
154
Samsung
180
Goldstar
153
Sansui
182
Hitachi
154
Sharp
179
LXI
154
Sylvania
154
Magnavox
173, 181
Symphonic
154
Zenith
153, 154, 172
Cable & Satellite
Allegro
358, 362
Regal
366
Allegro A/B Switch
361
Regency
329
Amerkast
383
Samsung
335
Dish Network
389
Scientific Atlanta
316, 323, 336, 364
Gemini
305, 331, 338
Sony DSS
387
General Electric
367
Sprucer
313
General Instrument
305, 306
Standard Comp
335
Hamlin
302, 303, 345, 365, 366
Stargate
379
Jerrold
304, 307, 308, 309, 310, 318, 360, 363
Texscan
339, 356, 371
Kale Vision
335
Tocom
317, 318, 346
Macom
314, 321
Toshiba DSS
391
Magnavox
334
Unika
348, 362
NSC
335, 339, 368, 369, 370
United Satellite
344
Oak
311, 332, 342
Universal
358, 362
Panasonic
313, 320
Vid Tech
340
Paragon
333
Video Way
349
Philips
347, 350, 352, 354, 355
Viewstar
354, 355, 372
Pioneer
315, 343
Zenith
301, 353
Primstar
388
Zenith HD Set Top
385
Radio Shack
362
Zenith N/C Set Top
384, 395
RCA DSS
373, 394
Zenith Satellite
312, 328, 330, 351
Laser Disc
Denon
402, 403
Sanyo
401
Mitsubishi
403
Sony
404
Pioneer
402, 403, 405
Zenith
401
Audio Cassette
Denon
455
Philips DCC
454
Harman/Kardon
456
Pioneer
451, 478
JVC
457
Sony
452
Kenwood
450
Technics
454, 497
Onkyo
458
Yamaha
453
Audio CD
Akai
409, 424
Philips
421, 433, 434
Carver
510
Pioneer
431, 435
Crown
410
Quasar
432
Denon
411
Radio Shack
431, 436, 439, 440, 441
Fisher
412, 438
RCA
437
Goldstar
460
Sanyo
438, 439
Harman/ Kardon
413
Scott
440
JVC
415
Sharp
441, 442
Kenwood
412, 416, 417, 441
Sony
443, 444, 445
Magnavox
421, 422, 433, 434
Soundesign
461, 498, 501, 502
Mitsubishi
423, 424
Sylvania
433
NAD
425, 426, 447
Teac
446
Nakamichi
427, 428
Technics
432, 459
NEC
429
Toshiba
447
Onkyo
430
Yamaha
448
Panasonic
431, 432
Zenith
460, 461, 498, 501, 502
Audio Tuner/Amplifier
Denon
462, 463
Realistic
480
Fisher
464
Sanyo
481
Goldstar
460
Scott
482
Harman Kardon
465
Sharp
483
JVC
466
Sherwood
487, 488
Kenwood
468, 469, 506
Sony
489, 490, 491, 492
Marantz
472, 503
Soundesign
461, 498, 501, 502
Onkyo
473
Teac
494, 495
Philips
475, 476
Technics
497, 509, 567,
Pioneer
477, 478, 479
Yamaha
496
Radio Shack
487, 488
Zenith
460, 461, 498, 501, 502, 504, 505
DVD
Denon
523, 524
Proscan
526
Marantz
521
RCA
526
Mitsubishi
525
Sony
522
Panasonic
523, 524
Toshiba
521
Philips/Magnavox
521
Zenith
521
Pioneer
527

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