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File name JVC service manual 11AK45B5.pdf

SERVICE MANUAL COLOUR TELEVISION 2 2005 YA079 AV-28RT4BU/A, AV-28RT4BU/B, AV-28RT4BU/C, AV-28RT4SU/A, AV-28RT4SU/B, AV-28RT4SU/C STEREO RM-C1100 TV TABLE OF CONTENTS 1 2 3 4 5 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20 COPYRIGHT © 2005 Victor Company of Japan, Limited No.YA079 2005/2 SPECIFICATION Item Dimensions ( W Ч H Ч D ) Mass TV RF System Colour System Sound System Teletext System Tuning System Receiving Frequency VHF(VL) VHF(VH) UHF CATV 76.5cm Ч 58.5cm Ч 48.6cm 33.8kg B/G, D/K, L/L' TV Mode PAL / SECAM Video Mode PAL / SECAM / NTSC 3.58 / NTSC 4.43 A2 (B/G, D/K), NICAM (B/G, D/K, L/L') Fastext / TOP / WST Frequency synthesizer tuning system 46.25MHz - 168.25MHz 175.25MHz - 463.25MHz 471.25MHz - 863.25MHz S01 - S41 & S75 - S79 Content Intermediate Frequency VIF 38.9MHz (B/G, D/K, L) / 33.9MHz (L') SIF 33.4MHz (5.5MHz:B/G) / 32.9MHz (6.0MHz:D/K) / 32.4MHz (6.5MHz:L) / 40.4MHz (6.5MHz:L') PAL 4.43MHz SECAM 4.40625MHz / 4.43MHz NTSC 3.58MHz / 4.43MHz AC220V - AC240V, 50Hz 120W (Max) / 3W (Standby) 75 unbalanced, coaxial Visible size : 66cm (28"), Measured diagonally (H: 58.3cm Ч V: 33.0cm) 29kV (at zero bean current) 5.7cm Ч 12.6cm, Oval type Ч 2 10W + 10W (THD10%) 21-pin Euro connector (SCRAT socket) Ч 1 21-pin Euro connector (SCRAT socket) Ч 1 Video 1V(p-p) 75, RCA pin jack Ч 1 Audio (L/R) 500mV(rms) (-4dBs), High Impedance, RCA pin jack Ч 2 Stereo mini jack 3.5mm VE-30017763 (RM-C1100), (AA/R06 dry battery Ч 2) Colour Sub Carrier Frequency Power Input Power Consumption Aerial Input Terminal Picture Tube Size High Voltage Speaker Audio Output EXT-1 Input / Output EXT-2 Input / Output EXT-3 Input Headphone jack Remote Control Unit Design & specifications are subject to change without notice. 1-2 (No.YA079) 21-PIN EURO CONNECTOR (SCRAT) : EXT-1 / EXT-2 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Signal designation AUDIO R output AUDIO R input AUDIO L output AUDIO GND GND (B) AUDIO L input B input FUNCTION SW (SLOW SW) GND (G) SCL / T-V LINK G input SDA3 GND (R) GND (YS) R / C input Ys input (FAST SW) GND (VIDEO output) GND (VIDEO input) VIDEO output VIDEO / Y input COMMON GND Matching value 500mV(rms) (Nominal), Low impedance 500mV(rms) (Nominal), High impedance 500mV(rms) (Nominal), Low impedance --