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Now downloading free:JVC AV28BT5

JVC AV28BT5 free download

TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips

File information:
File name:JVC AV28BT5.part1.rar
[preview AV28BT5]
Size:2041 kB
Extension:pdf
Mfg:JVC
Model:AV28BT5 🔎
Original:AV28BT5ENS 🔎
Descr:AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB SERVICE MANUAL, PARTS LIST, SCHEMATICS JVC COLOUR TELEVISION
Group:Electronics > Consumer electronics > TV
Uploaded:25-11-2004
User:plamensl
Multipart: 0  1

Information about the files in archive:
Decompress result:OK
Extracted files:3
File name 51881.pdf

AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB SERVICE MANUAL COLOUR TELEVISION AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB CONTENTS SPECIFICATIONS 2 SAFETY PRECAUTIONS 4 FEATURES 5 MAIN DIFFERENCE PARTS LIST 5 SPECIFIC SERVICE INSTRUCTIONS 6 SERVICE ADJUSTMENTS 9 PARTS LIST 17 OPERATING INSTRUCTIONS STANDARD CIRCUIT DIAGRAM 2-1 1 COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD. No.51881 Dec. 2001 AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB SPECIFICATIONS Content ITEM Dimensions (WxHxD) Weight TV RF System Colour System Teletext System Stereo System Tuning System Number Of CH memory position VHF (VL) Receiving Frequency VHF (VH) UHF CATV VIF Carrier Intermediate Frequency TV Mode Video Mode AV28BT5ENS (Silver) AV28BT5ENB (Black) 69 x 54 x 47 cm 34.6 kg B/G PAL PAL / NTSC 3.58 / NTSC 4.43 Fastext / Toptext A2 / German + NICAM Frequency Synthesizer Tuning System 100 ch 46.25MHZ ~ 168.25MHz 175.25MHz ~ 463.25MHz 471.25MHz ~ 863.25MHz Super (S11-S20) & Hyper (S21-S41) bands receivable 38.9MHz 32.4MHz (6.5MHz) SIF Carrier 32.9MHz (6.0MHz) 33.4MHz (5.5MHz) Colour Sub Carrier Frequency Aerial Input Terminal Power Input Power Consumption Picture Tube High Voltage Speaker Audio Output Video Input S/Video Audio (L/R) Output Video Audio (L/R) Rear Side Front Side Front Side Output Terminal Remote Control Unit Rear Side PAL (4.43MHz), SECAM (4.43MHz), NTSC (3.58MHz/4.43MHz) 75Ohm Unbalanced AC 170 ~ 270V 126W(Max.)/103W(Avg.) Stand-by<5W 28 inch measured diagonally 28kV (in cut-off service mode) 101 mm round type X 2 8W + 8W 1Vp-p, 75 Ohm Y: 1Vp-p Positive C: 0.286Vp-p 500 mVrms, High Impedance 1 Vp-p, 75 Ohm 500 mVrms, Low Impedance AV1 (Video/Audio/RGB) AV2 (Video/Audio/S-VHS) AV3 (Video/Audio) Headphone jack (Stereo mini jack 3.5 ) AV1 (Video/Audio) AV2 (Video/Audio) (Selected TV, AV1 or AV3) RM-C85, Battery size:AAA/R03 x 2 B/G, D/K, K1 PAL / SECAM PAL / SECAM / NTSC 3.58 / NTSC 4.43 AV28BT5EES (Silver) AV28BT5EEB (Black) Input Terminal Design & specifications are subject to change without notice. 2 No.51881 AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB 21-pin Euro connector (SCART socket) : AV-1 / AV-2 (P-P= Peak to Peak, S-W= Sync tip to white peak, B-W= Blanking to white peak) 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 FUNCTON SW (SLOW SW) GND (G) G input GND (R) GND (YS) R / C input Ys input GND(VIDEO output) GND(VIDEO input) VIDEO output VIDEO / Y input COMMON GND 1VS-W (Negative going sync), 75 1VS-W (Negative going sync), 75 R : 700mVB-W , 75 C : 300mVP-P, 75 Low : 0 ­ 0.4, High : 1 - 3V, 75 700mVB-W , 75 500mVrms(Nominal), High impedance 700mVB-W , 75 Low : 0-3V, High : 8-12V, High impedance Matching Value 500mVrms(Nominal),Low impedance 500mVrms(Nominal),High impedance 500mVrms(Nominal),Low impedance AV-1 (TV OUT) (TV OUT) NC NC (R/C) (TV) AV-2 (TV/LINE O
File name 51881par.pdf

AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB PARTS LIST CONTENTS USING PW BOARD & REMOTE CONTROL UNIT 17 EXPLODED VIEW PARTS LIST 18 EXPLODED VIEW 18 PRINTED WIRING BOARD PARTS LIST [ AV28BT5ENS / AV28BT5ENB] MAIN PW BOARD ASS'Y 20 MULTI SOUND PW BOARD ASS'Y 24 CRT SOCKET PW BOARD ASS'Y 25 FRONT CONTROL PW BOARD ASS'Y 25 HEAD PHONE JACK PW BOARD ASS'Y 25 [ AV28BT5EES / AV28BT5EEB] MAIN PW BOARD ASS'Y 26 PACKING / PACKING PARTS LIST 31 USING PW BOARD & REMOTE CONTROL UNIT Model PWB ASS'Y AV28BT5ENS AV28BT5ENB VE-20073586 VE-20078991 VE-20074437 VE-20079113 VE-20075472 RM-C85 AV28BT5EES AV28BT5EEB VE-20073447 MAIN PWB MULTI SOUND PWB CRT SOCKET PWB FRONT CONTROL PWB HEAD PHONE JACK PWB REMOTE CONTROL UNIT No. 51881 17 AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB EXPLODED VIEW 10 11 12 13 14 15 CRT SOCKET PWB V01 MAIN PWB 4 17 5 16 6 2 9 1 8 3 7 HEADPHONE JACK PWB FRONTCONTROL PWB EXPLODED VIEW PARTS LIST [ SILVER model : AV28BT5ENS, AV28BT5EES ] [ BLACK model : AV28BT5ENB, AV28BT5EEB ] 01 01 18 No. 51881 AV28BT5ENS / AV28BT5ENB PRINTED WIRING BOARD PARTS LIST [ AV28BT5ENS / AV28BT5ENB ] MAIN P.W. BOARD ASS'Y (VE-20073586) No. 51881 19 AV28BT5ENS / AV28BT5ENB [ AV28BT5ENS / AV28BT5ENB ] 20 No. 51881 AV28BT5ENS / AV28BT5ENB [ AV28BT5ENS / AV28BT5ENB ] No. 51881 21 AV28BT5ENS / AV28BT5ENB [ AV28BT5ENS / AV28BT5ENB ] ° ° 22 No. 51881 AV28BT5ENS / AV28BT5ENB [ AV28BT5ENS / AV28BT5ENB ] ° ° ° ° No. 51881 23 AV28BT5ENS / AV28BT5ENB [ AV28BT5ENS / AV28BT5ENB ] MULTI SOUND P.W. BOARD ASS'Y (VE-20078991) 24 No. 51881 AV28BT5ENS / AV28BT5ENB [ AV28BT5ENS / AV28BT5ENB ] CRT SOCKET P.W. BOARD ASS'Y (VE-20074437) HEAD PHONE P.W. BOARD ASS'Y (VE-20075472) FRONT CONTROL P.W. BOARD ASS'Y (VE-20079113) No. 51881 25 AV28BT5EES / AV28BT5EEB PRINTED WIRING BOARD PARTS LIST [ AV28BT5EES / AV28BT5EEB ] MAIN P.W. BOARD ASS'Y (VE-20073447) 26 No. 51881 AV28BT5EES / AV28BT5EEB [ AV28BT5EES / AV28BT5EEB ] No. 51881 27 AV28BT5EES / AV28BT5EEB [ AV28BT5EES / AV28BT5EEB ] 28 No. 51881 AV28BT5EES / AV28BT5EEB [ AV28BT5EES / AV28BT5EEB ] ° ° No. 51881 29 AV28BT5EES / AV28BT5EEB [ AV28BT5EES / AV28BT5EEB ] ° MULTI SOUND P.W. BOARD ASS'Y (VE-20078991) Refer to PARTS LIST in page 24 for this P.W. board. CRT SOCKET P.W. BOARD ASS'Y (VE-20074437) Refer to PARTS LIST in page 25 for this P.W. board. FRONT CONTROL P.W. BOARD ASS'Y ° (VE-20079113) Refer to PARTS LIST in page 25 for this P.W. board. ° HEAD PHONE JACK P.W. BOARD ASS'Y (VE-20075472) Refer to PARTS LIST in page 25 for this P.W. board. 30 No. 51881 AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB PACKING 2 4 3 5 6 7 1 8 2 PACKING PARTS LIST No. 51881 31
File name 51881sch.pdf

AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB SCHEMATIC DIAGRAMS COLOUR TELEVISION AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB CD-ROM No.SML200201 CONTENTS NOTE ON USING CIRCUIT DIAGRAMS SEMICONDUCTOR SHAPES BLOCK DIAGRAM WAVEFORM DIAGRAMS CIRCUIT DIAGRAMS PATTERN DIAGRAMS VOLTAGE TABLE 2-1 2-2 2-3 2-4 2-5 2-11 2-15 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. No.51881 Dec. 2001 WAVEFORM DIAGRAMS MAIN PWB Q802 8Vp-p(H) AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB AV28BT5ENS / AV28BT5ENB AV28BT5EES / AV28BT5EEB STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS IC401 1.7Vp-p(H) D 6pin IC050 0.7Vp-p(H) 6pin IC050 17pin 1.SAFETY The components identified by the symbol and shading are critical for safety. For continued safety replace safety critical components only with manufactures recommended parts. 1.4Vp-p(H) 2.SPECIFIED VOLTAGE AND WAVEFORM VALUES The voltage and waveform values have been measured under the following conditions. (1)Input signal (2)Setting positions of each knob/button and variable resistor (3)Internal resistance of tester (4)Oscilloscope sweeping time : Colour bar signal Type No indication MM PP MPP MF TF BP TAN (3)Coils No unit :Ceramic capacitor :Metalized mylar capacitor :Polypropylene capacitor :Metalized polypropylene capacitor :Metalized film capacitor :Thin film capacitor :Bipolar electrolytic capacitor :Tantalum capacitor :[ µ H] :As specified IC401 17pin IC401 30pin IC401 29pin IC401 2Vp-p(H) 19pin : Original setting position when shipped :DC 20k :H :V :Others /V 20µS/div 5mS/div Sweeping time is specified Others (4)Power Supply 0.7Vp-p(H) 0.8Vp-p(H) 0.9Vp-p(H) :B1 :9V Respective voltage values are indicated (5)Test point :Test point (6)Connecting method :Connector :Only test point display :B2 (12V) :5V (5)Voltage values :All DC voltage values Since the voltage values of signal circuit vary to some extent according to adjustments, use them as reference values. IC401 2Vp-p(H) 20pin IC401 2Vp-p(H) 21pin IC401 1Vp-p(H) 40pin Q605 450Vp-p(H) C :Wrapping or soldering 3.INDICATION OF PARTS SYMBOL [EXAMPLE] In the PW board :R1209 R209 (7)Ground symbol :LIVE side ground :ISOLATED(NEUTRAL) side ground ] :[ :[K ] :[M ] :EARTH ground :DIGITAL ground :Receptacle 4.INDICATIONS ON THE CIRCUIT DIAGRAM (1)Resistors Resistance value No unit K M IC401 47pin IC701 4.8Vp-p(V) 1pin IC701 0.5Vp-p(V) 9pin IC501 1.2Vp-p 34pin Rated allowable power No indication :1/ 16 [W] Others Type No indication OMR MFR MPR UNFR FR (2)Capacitors Capacitance value :Carbon resistor :Oxide metal film resistor :Metal film resistor :Metal plate resistor :Uninflammable resistor :Fusible resistor :As specified 5.NOTE FOR REPAIRING SERVICE This model's power circuit is partly different in the GND. The difference of the GND is shown by the LIVE : ( ) side GND and the ISOLATED(NEUTRAL) : ( ) side GND.Therefore, care must be taken for the following points. (1)Do not touch the LIVE side GND or the



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