INDEX

A

AGC, 351, 462
AM, 15
Abbreviations, 477
AC-3, 422
ACC, 161, 164
A-D conversion, 181, 191, 242, 255, 331, 409, 447
Adaptive matrix, 417
Adjacent channel, 52
Aerials, 44
AFC, 51, 59
AGC, 49, 55, 144
Alignment tape, 303, 304, 371, 372
Alignment, dish, 76
Aperture corrector, 132
Aperture-grille, 108
Artificial sync, 281
ASCII, 173
Aspect ratio, 410, 423
Assemble edit, 336
Astra, 62, 71, 87
ATF, 268, 270, 273, 313, 386
Audio fault diagnosis, 358
Audio/control head, 362, 371
Auto grey-scale, 164
Auto-diagnosis, 342
Auto-editor, 442
Auto-focus, 147
Auto-tracking, 275
Auto-tuning, 432
AUX input, 80
Auxiliary heads, 279, 282
Azimuth, 76, 269, 366, 371

B

Back porch, 11, 153
Back-tension, 266, 364, 372, 373, 378
Background memory system, 179
Balanced modulator, 130
Bandwidth, 160, 242, 448
aerial, 45
BEAB, 445, 456
Beam current, 103, 161
Beam focus servo, 397
Beamwidth, 70, 72
Beat patterns, 303, 304
Bell filter, 167
Belts, 341, 371
B-frame, 244
Bit-rate reduction, 387
Black level, 11
Black matrix, 110
Blanking, 153
BLC, 145
Blocking convertor, 227
Blocking oscillator, 222, 235, 239
Brightness, 110, 161
Bruch blanking, 146
BS EN60065, 445, 456
Bucket-brigade (BBD), 123, 124, 160, 165, 302
Buffer store, 248
Burst emphasis, 300
Burst gate, 155
Burst, colour, 128, 130
Burst-mode PSU, 231, 234
Buzz, 52

C

C/N ratio, 70, 73, 965, 255
Cable:
aerial, 44, 46
satellite, 78
CAM, 260
Camcorder, 149
Capacitor tester, 456
Capacitors, 2
Capacitors, coding, 473
Capstan, 365, 370
servo, 308, 311
Castellations, 469
CAY disc, 394, 402, 406
CCD delay, 400
CCD sensor, 123, 126
CCT, 176
Ceramic filter, 56
Channel decoder, 255, 257
Channel Five, 32
Channel frequencies, 36
Character generator, 172
Character rounding, 173
Chopper PSUs, 222
Chrominance, 13, 128, 133
Cinema sound, 413
Clamp, 131
diode, 225
Clamping, 153, 164
Clarke belt, 62, 64
Cleaning heads, 367
Clipper, 303, 353
Clock oscillator, 341
Clock-set, 432
CLV disc, 394, 402
C-MOS, 471
Coding, digital, 243
COFDM, 254
Collimator lens, 397
Colour:
bars, 469
burst, 14
encoding, 13
recording, 270
temperature, 142
tube, 101
difference signals, 128
fit, 469
killer, 305
under, 272, 285, 291
Common faults, 458
Compander, 353
Companding, 180
Comparator, 332
Compatibility, 64
Compression, digital, 181, 388
Compressor, 348
Conditional access, 249, 252, 258, 260
Confetti, 305
Connector pinning, 477
Constant-current source, 197
Contour enhancer, 132
Contrast, 110, 161
Control track, 273, 312, 321, 372
Convergence, 105,
Convolutional coding, 255
Corrosion, 457
Corrupt teletext, 463
Corruption, data, 173
Counter memory, 327
CPU, 329
Cramping, 218
Crispening, 132, 291
Cross-colour, 90
Crosshatch pattern, 468
Cross-luminance, 90
Cross-modulation, 49
Crosstalk, 269, 294, 297, 299, 414, 415
Crystal:
filter, 123
oscillator, 159
CTL head, 312, 323, 458
Cue, 325
CVBS signal, 14

D

D.c.-d.c. convertor, 146, 239
D2B bus, 439
D-A conversion, 191, 256, 260, 332, 390
Dark current, 120
Darlington pair, 4
Data:
compression, 242
corruption, 254
decoder, 256
packet, 249
slice, 244
Datastreams, 255
dB, 45
conversion, 45, 476
DBS, 84
DCT, 245, 384, 388
Dead PSU, 240
Decibel conversion, 45, 476
Deck service, 370
Decoder, text, 175
Decoding (colour), 154, 161
De-emphasis, 290, 354
Deflection yoke, 100, 107, 196
Deflection, beam, 100
Degaussing, 238, 456
Delay line, 132, 155, 156, 160, 289
Demodulator, 87, 289
vision, 55
Demultiplexer, 189
Depth-multiplex, 345
DES, 409
Desoldering station, 471
Dew detector, 326
Diagnosis, 457
Dielectric, 2
Dielectric resonator, 85
Digital:
conversion, 242
meter, 447
processing (camera), 141
radio, 93
servo, 313
Diode, 3
Diode modulator, 211
Diode-split, 215
Dipole, 44
Direct drive, 318, 365
Discrete Cosine Transform, 245
DiSEqC, 85
Dish:
alignment, 76
mounting, 75
satellite, 68
peaker, 76, 79
Distorted picture, 217
Distribution amplifier, 46, 70
DMM, 447
Dolby, 248
decoder, 416
digital, 410, 422
surround, 413
Double limiter, 289
Double superhet, 82
DQPSK, 180, 186, 187, 193
DRAM, 256, 258, 260, 282
Dropout, 304, 351, 354, 367
compensator, 286
Drum servo, 308, 311
DTV receiver, 255
DTV transmitting sites, 20
Dual-feed, 70
Dual-loop servo, 309
Dual-trace oscilloscope, 448, 449, 465
Duty-cycle, 222, 226
DVC, 379
DVC-HD, 391
DVD disc, 408
DVD player, 410
DV-R, 411
DV-RAM, 411
Dynamic convergence, 106
Dynamic drum, 316
Dynamic range, 120, 348, 353, 412

E

ECC, 390
Eccentricity, 369
Echoes, 255
Edit controller, 442
Editing videotape, 335
EDL, 386, 442
E-E, 141
EEPROM, 59, 141, 207, 434
EHT, 100, 112, 212, 214, 449
meter, 456
EIRP, 70
Electric shock, 445
Electrical relationships, 492
Elevation, 76
Encoding, 129
Encryption, 64, 252, 409
End-sensor, 331, 326
Energy-dispersal, 63, 89
Envelope, f.m, 367
ERP, 255
Error amplifier, 232
ESD, 471
Eutelsat, 63, 71
EVF, 148
EW correction, 466
Expander, 334, 353
Expansion anchors, 75
Extender, infra-red, 430
Eyeheight, 174
check, 464

F

Faceplate, 109, 121, 135
Fast shutter, 126
Fastext, 177
Fault diagnosis, 457
FAW, 184, 190
FEC, 253, 256, 257
Feeder (aerial), 46
Feedhorn, 82
FET, 59
FG, 309, 311, 314, 318, 322, 458
Field:
collapse, 464
oscillator, 198
scanning, 198
store, 282
sync pulse, 312
timebase IC, 200, 202, 204
trigger, 12
Firewire, 379, 390
‘Flat’ highlights, 303
Flat-screen tube, 110
Flicker, 10, 97, 304, 305, 367
Flourescent display, 239
Flutter, 319, 322, 344, 365, 377
Flux, 8
Flyback, 199, 201
Flying erase head, 337, 347
Flywheel sync, 205
FM, 263
carrier, 272
modulator, 460
Focus, 100
camera, 138, 147
depth, 145
Foldover, 218
Footprint, 62
Formulae, 475
Frarne advance, 322
Framing code, 171
Freeze-frame, 279
Freezer spray, 470
Frequency,
counter, 305, 450
modulation, 62
multiplex, 354
spectrum, 489
v. wavelength, 475
synthesis, 57
Front porch, 11
FS tuning, 257
Full-erase head, 364
Fuses, 5, 445

G

Gamma, 131, 160
Genlock, 146, 311
Ghost image, 462
Glass dishes, 74
GOP, 244
Grey-scale, 153, 469
Grid aerial, 45
Guide alignment, 374
Guide, exit, 459
Guides, tape, 266

H

Haas effect, 416
H-aerial, 44
Hairline PCB cracks, 470
Halide lamp, 115, 116
Hall IC, 319, 326, 341
Hanover bars, 156
Head:
drum, 265, 365
gap, 264, 265
replacement, 369
servo, 460
Headswitch, 276, 277, 309, 323, 459
Helical scan, 265
HEMT, 85
Herringbone pattern, 306
Heterodyne, 82, 291
H-H mount (dish), 71
Hi-8, 286
Hi-Fi audio, 345
High-band video, 286
Hiss, 97
Home cinema, 422
Hook-up, satellite, 80
Hue error, 130
Hybrid switcher, IC, 236

I

I signal, 257
I.f., 47, 86
amplifier, 51
I/O ports, 329
I2C bus, 437
IC, 4
ICP, 5
Ident signal, 131, 155, 163
Idler, 371
IEEE, 1394, 379, 390, 444
I-frame, 244
Illuminant D, 153
Image lag, 121
Image sensor, solid, 123
Impedance roller, 364, 365
Inductor, 3
Insert edit, 337, 383
Installation (satellite), 74
Insulation tester, 456
Interactive video, 441
Intercarrier sound, 55
Inter-frame, 243
Interlace, 10
Interleaving, 183
Intermittent faults, 457, 469
Intra-frame, 243, 388
IRD, 79, 87
Iris, 144
Isolating transformer, 239, 445
Isolation, 231
ITI, 383

J

Jitter, timing, 271, 292, 296
JLIP, 441
Judder, 281

K

Key-scan, 331
Keystone distortion, 212
Ku band, 62

L

Ladder network, 332
Ladder safety, 75
LANC, 440
Laser diode, 396
Laservision, 393
LCD, 148, 431, 447
display, 114, 118
‘Learning’ remote controls, 430
Lecher line, 48, 86
LED, 3, 426
Lens, 138, 147
Letterbox picture, 412, 423
Limiter, 56, 285, 289
Line:
blanking, 465
collapse, 465
timebase, 205
Linear editing, 443
Linked budget calculation, 70
Lissajous figure, 174
L–B, 68, 82, 83, 84, 96
Loading tape, 360
Local oscillator, 47, 82, 84
Logic:
analyser, 454
probe, 453
Log-periodic aerial, 45
LP, 275, 277, 344
LSI chip, 58, 145, 170, 379
Lubrication, 371
Luminance, 13, 121
delay, 462
playback, 286
recording, 283

M

MAC, 64, 80, 90
Macro, 147
Macroblock, 244, 388
Magnetic flux, 263
Mains:
isolation, 239
transformer, 239
Marking codes, 481
Mark-space ratio, 222
MATV, 46, 70
MDA, 338
ME tape, 354, 380
Megatext, 179
Mesh dish, 74
Micropatch, 83
Microprocessor, 5
Microscope, 456
Mistracking, 322, 459
Mixer, 47, 84, 292
Mode switch, 327, 330, 341, 378
Modem, 262
Modulation:
index, 264
MPEG, 252
vision, 14
Modulator:
FM, 285
RF, 80
Motion compensation, 244
Motorised:
dish, 71
LNB, 71
Motors, 318
MP tape, 354
MPEG, 242, 248, 257
audio, 248, 260
decoder, 255, 258
MPEG-2, 407, 410
audio/5.1, 422
Muffled sound, 371
Multiburst, 469
Multimeter, 446
Multiplexer, 252
Multistandard TV, 165, 167
Multistandard TV/video, 33, 61
MUSICAM, 248, 260
M-wrap, 360

N

ND filter, 456
Newvicon, 123
Nicam, 180
alignment, 193
No colour, 305, 306
Noise bar, 321, 459
Noise figure, LNB, 85
Noise reduction, 291, 351, 416
Noisy colour, 305
Noisy recording, 303
Non-linear editing, 443
Non-linear emphasis, 285
Non-volatile memory, 59
Notch filter, 161
NRZ, 171, 390
NTSC, 128, 164

O

Objective lens, 399
Octave range, 263
OEM, 445
Off-line editing, 443
Offset dish, 68
Ohm’s law, 475
Omega wrap, 362
On-line editing, 443
Open yoke, 465
Optical pick up, 397, 399, 404
Optocoupler, 232
Orthogonal scanning, 118
Oscilloscope, 372, 448
OSD, 178, 434
Overcurrent protection, 238
Overscanning, 464, 466
Overvoltage, 234, 240
protection, 466
Overwriting, 281

P

Painting dishes, 73
PAL, 128, 130
decoder, 154
encoder, 256
Palmcorder, 279
Panoramic monitor, 451
Parabolic reflector, 68
Parity check, 177, 183
Passive multimeter, 446
Patio mount, 74
Pay-per-view, 262
PC, 443
board, 6, 470
PCM, 256, 260, 268, 356, 358, 424
PDA, 449
PDC, 431
Peak white, 264
P-frame, 244
PG pulse, 309, 312, 322, 323, 326, 367
Phantom centre, 422
Phase control loop, 309
Phase detector, 309
Phosphors, 100, 102, 110
Photodiode, 4, 123
PID, 256, 258
Pigmented phosphor, 110
Pilot tones, 273
PIN diode, 3
Pinch roller, 266, 370, 377
Pincushion distortion, 211
Pirate decoder, 64
Plasma display, 118
Plate antennas, 74
PLD, 260
PLL, 57, 86, 87, 146, 159, 163, 189, 206, 277, 293, 297, 353
Plumbicon, 121
Polar mount, 64, 71, 76, 83
Polar response, 45
Polarisation, 62, 83, 96
Poor resolution, 304
Port extension, 334
Posistor, 238
Positioning servos, 308
PPV, 262
Predictive coding, 244
Pre-emphasis, 303, 350
Prescaler, 57, 86
Pressure roller, 266, 370, 377
Probe, oscilloscope, 448
Processor, 328
Programmable divider, 58, 86
Programme map, 249
Programme multiplex, 249
Projection TV, 113, 115
Pro-logic, 416
decoder, 427
Protection, 225, 226, 232, 238, 466
PSI, 249
Pumping, 232, 240
Purity, 103, 104, 238
PWM, 314, 404, 429

Q

Q signal, 257
QPSK, 93, 252, 257
Quadrature, 255
detector, 56
Quantisation, 244, 245

R

Rabbet, 265, 279, 365, 370
RAM, 59, 146, 172, 175, 177, 179, 329, 424, 434
Ramp generator, 197
Raster, 100
RCTC, 442
Reactance, 475
Reactivation, tube, 112, 454
Record tab, 326, 330
Recording bias, 263, 271
Rectifier bridge, 466
’Redundancy, 242
Reed-Solomon code, 384, 390, 409
Reel rotation sensors, 326, 331
Reference light, 456
Reference oscillator, 155, 163
Reference voltage, 226
Reflections, 254, 462
Regional coding, 408
Registration, 105, 160, 374, 468
Remote control, 327, 334, 425
decoder, 428
Repair, 470
kits, 98
Reservoir capacitor, 466
Resistors, 1
coding, 473
Review, 325, 366
RF modulator, 15, 260
RCJB, 80, 122, 151, 153, 159, 164, 166, 170, 256
Ringing, 463, 469
Ripple, 222, 460, 466
Rolling picture, 378
ROM, 58, 172, 184, 315, 321, 328, 424, 434
Rotating transformer, 266, 351, 365
RS232, 257, 262

S

S/N ratio, 183, 263, 277, 300, 344, 353
Safety, 75, 445
tubes, 112
Sampling, 242
Sandcastle pulse, 165, 169
Satellite aerial, 47
Satellite repair, 96
SAW filter, 52, 61, 86
Scale factor, 182
Scaling, 247
Scan yoke, 196
Scanning, 9
SCART, 80, 439
Schmidt reflector, 113
SCL, 437
S-connector, 286
S-correction, 211, 465
Scrambling, 64, 185, 252
Screen, colour, 101
SDA, 437
Search mode, 329
SECAM, 166, 300
Series regulator, 220, 230
Service manual, 471
Service mode, 342
Servo faultfinding, 323
Shaded picture, 460
Shadowmask, 102, 161
Shift register, 172
Short-circuit turns (LOPT), 218
Shuffling, 357, 388
Shunt regulator, 220
Sidebands, 18, 264, 404
Signal injector, 456
Signal strength meter, 455
Site survey, 74
Skew-error, 374
Slack sensor, 326
Slow-motion, 322
SM assembly, 7
Small head drums, 278, 362
Smart card, 64, 89
SMD, 7, 471
coding, 474
Snowy picture, 462
Solar cells, 62
Solder, 8
Soldering iron, 471
Solenoids, 328, 338
Sound:
buzz, 52
conversion, 61
demodulation, 56, 89
transmission, 20, 66
Soundfield, 414
Source impedance, 219
Spacial redundancy, 243
Sparklies, 70, 73, 96
Spectrum analyser, 77, 451
Speed control loop, 309
Spot beams, 62
Squarial, 74
Squeaking, 377
SR bistable, 314
SRBP, 6
SSG, 126, 134, 145, 146
Standby switching, 229
Static charge, 231
Static convergence, 105, 109
Static precautions, 471
Statistical redundancy, 243
Steady-shot, 142
Step-up PSU, 235
Stereo in V8, 355
Stereo TV, 21
Still-picture, 319
Streaking, 303, 304, 367, 469
Stripe filter, 135
Subcarrier, 13, 128, 129
Subcode sector, 386
Subreflector, 69
Subtitling, 410
Subwoofer, 421
Superhet, 47
Surface-mount, 7
Surge-limiter, 224
Surround:
amplifiers, 419
encoder, 415
loudspeakers, 420
S-VHS, 80, 286
Sweep tuning, 59
Swinging burst, 134
Switchboxes, SCART, 80
Switch-mode PSU, 222
Symbol rate, 253, 255
Symptom analyses, 459
Sync pulses, 11
Synchronous demodulator, 158
Synchronous PSU, 227
Syscon, 324
troubleshooting, 338
System:
control, 324
conversion, 60
layer, 249

T

Tacho pulse, 277, 309, 316
Tape:
damage, 377
path cleaning, 370
scanning, 265, 380
TBC, 297
TDM, 390
Tearing picture, 241
Teletext, 170
Temporal redundancy, 243
Tension, tape, 373
Ternary logic, 335
Test:
bridge, 456
card, 467
cassette, 359
gear, 446
pattern generator, 450
TFT, 114
Thermal shutdown, 238
Thin tape, 277
Threading, tape, 360
Threshold, demodulator, 73
THX, 422
Tilt servo, 400
Tilting drum, 316
Timebase, 449
corrector, 297, 400, 406
Timecode, 442
Timer, 327
TOC, 380
Torque, 373
Tracking, 272, 279, 322, 323, 386
Tracking servo, 398
Transformer, 3
Transistor, 4
Transponder, 62
Transport demux, 256, 258, 262
Trigger, 449
Trinitron tube, 108
Tripping, 234, 236, 240
Troubleshooting timebases, 217
Tube, picture, 99, 151
reactivation, 112
set-up, 108, 109
tester, 454
Tuner, 46, 458
satellite, 86
Tuning, 51
TV aerial codes, 36
TV network, 21

U

U signal, 133, 154, 155, 163
UHF, 254
Universal LNB, 85
Universal remote control, 430
Uplink, 66
U-wrap, 361

V

V signal, 133, 154, 155, 163
Variac, 240
Varicap:
diode, 3, 86
tuner, 451
tuning, 49
VCA, 348, 353, 417, 429
VCO, 58, 87, 207, 351, 353
VD synthesiser, 281
VDRs, 1
Vectorscope, 451
Velocity servos, 308
Vestigial sideband, 19
VHS, 267, 273, 292, 297, 312, 376, 423
VHS Hi-Fi, 345
VHS-C, 278, 362
Video-8, 268, 279, 299, 311, 355, 362, 376
Video amplifier, 151
Video tracks, 267
Videocrypt, 89
VideoPlus, 431
Vidicon, 118
Viewfinder, 148, 149
VIP, 175
VITC, 442
VITS, 170
Voltage stabilisation, 217
VXO, 146, 159

W

Wall anode, 100
Wallplugs, 75
WARC, 62
Wasp-waisted picture, 241, 465
Waveguide, 83
Wavelength, 475
Wegener-Panda, 66
Weighting, 350
White balance, 141, 143
White crushing, 460
Wide heads, 279
Wide-arc dish, 71
Widescreen TV, 112, 212
Width control, 212
Wind loading, 75
Wobble, 281, 322, 377
Worldwide TV, 32, 39
Wow, 322, 344, 377
Writing current, 285, 303, 351
Writing speed, 264, 265

Y

Y amplifier, 448
Yagi aerial, 45

Z

Zener:
diode, 3
stabiliser, 220
Zenith adjustment, 372
Zig-zag scanning, 247
Zoom, 138, 142, 147, 212
64-QAM, 253, 254
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