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Now downloading free:JVC AV-21ETG2

JVC AV-21ETG2 free download

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

File information:
File name:JVC_AV-21ETG2.part1.rar
[preview AV-21ETG2]
Size:2041 kB
Extension:pdf
Mfg:JVC
Model:AV-21ETG2 🔎 AV21ETG2
Original:GC 🔎
Descr:JVC Color Television AV-21ETG2 AV-2124EE Service Manual, Schematics, Parts List
Group:Electronics > Consumer electronics > TV
Uploaded:28-11-2004
User:plamensl
Multipart: 0  1

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Extracted files:3
File name 51893.pdf

AV-21ETG2 AV-2124EE SERVICE MANUAL COLOUR TELEVISION AV-21ETG2 AV-2124EE !! BASIC CHASSIS CG CONTENTS ! ! ! ! ! ! ! ! SPECIFICATIONS 2 SAFETY PRECAUTIONS 3 FEATURES 4 FUNCTIONS 5 MAIN DIFFERENCE LIST 6 SPECIFIC SERVICE INSTRUCTIONS 7 SERVICE ADJUSTMENTS 14 PARTS LIST 33 OPERATING INSTRUCTIONS STANDARD CIRCUIT DIAGRAM 2-1 1 COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD. No. 51893 Dec. 2001 AV-21ETG2 AV-2124EE SPECIFICATIONS ITEM Dimensions(W×H×D) Mass TV RF System RF Mode Colour System VIDEO Mode Picture Tube High Voltage Receiving Frequency VHF (VL) VHF (VH) UHF CATV VIF Carrier Intermediate Frequency SIF Carrier PAL / SECAM / NTSC3.58 / NTSC4.43 Visible size: 51cm measured diagonally 26.5kV±1.5kV(at zero beam current) 46.25MHz168.25MHz 175.25MHz463.25MHz 471.25MHz863.25MHz Cable TVs of Mid (X-Z, S1-S10) Super (S11-S20) & Hyper (S21-S41) bands receivable 38.0MHz 32.5MHz(5.5MHz) 31.5MHz (6.5MHz) 32.0MHz (6.0MHz) PAL (4.43MHz), SECAM (4.40625MHz / 4.25MHz) NTSC (3.58MHz / 4.43MHz) AC110240V, 50 / 60Hz 90W (Max) / 60W(Avg) 5cm×9cm, Oval type×1 3W (monaural) 75 Unbalanced 1V(p-p), 75 (Front / Rear) 500mV(rms) (-4dBs), High impedance, RCA×2 (Front / Rear) 1V(p-p), 75 500mV(rms) (-4dBs), Low impedance, 3.5mm mini jack RM-C364GY (Battery size : AA / R06 / UM-3×2) AC220240V, 50 / 60Hz CONTENT AV-21ETG2 AV-2124EE 497mm×454mm×478.5mm 21kg B/G, I, D/K, K1 PAL / SECAM Colour Sub Carrier Frequency Power Input Rated Voltage Power Consumption Speaker Audio Output Aerial Input Terminal Input Video Audio Output Video Audio Headphone jack Remote Control Unit Design and specifications are subject to change without notice. 2 No. 51893 AV-21ETG2 AV-2124EE SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Service should be performed by qualified personnel only. 2. Alterations of the design or circuitry of the products should not be made. Any design alterations or additions will void the manufacturer's warranty and will further relieve the manufacturer of responsibility for personal injury or property damage resulting therefrom. 3. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the parts list of Service manual. Electrical components having such features are identified by shading on the schematics and by (! ) on the parts list in Service ! manual. The use of a substitute replacement which does not have the
File name 51893par.pdf

AV-21ETG2 AV-2124EE PARTS LIST CAUTION ! The parts identified by the ! symbol are important for the safety. Whenever replacing these parts, be sure to use specified ones to secure the safety . ! The parts not indicated in this Parts List and those which are filled with lines in the Parts No. columns will not be supplied. ! P. W. Board Ass'y will not be supplied, but those which are filled with the Parts No. in the Parts No. columns will be supplied. ABBREVIATIONS OF RESISTORS, CAPACITORS AND TOLERANCES RESISTORS CR FR PR VR HV R MF R MG R MP R OM R CMF R UNF R CH V R CH MG R COMP. R LPTC R Carbon Resistor Fusible Resistor Plate Resistor Variable Resistor High Voltage Resistor Metal Film Resistor Metal Glazed Resistor Metal Plate Resistor Metal Oxide Film Resistor Coating Metal Film Resistor Non-Flammable Resistor Chip Variable Resistor Chip Metal Glazed Resistor Composition Resistor Linear Positive Temperature Coefficient Resistor C CAP. E CAP. M CAP. HV CAP. MF CAP. MM CAP. MP CAP. PP CAP. PS CAP. TF CAP. MPP CAP. TAN. CAP. CH C CAP. BP E CAP. CH AL E CAP. CH AL BP CAP. CH TAN. E CAP. CH AL BP E CAP. CAPACITORS Ceramic Capacitor Electrolytic Capacitor Mylar Capacitor High Voltage Capacitor Metalized Film Capacitor Metalized Mylar Capacitor Metalized Polystyrol Capacitor Polypropylene Capacitor Polystyrol Capacitor Thin Film Capacitor Metalized Polypropylene Capacitor Tantalum Capacitor Chip Ceramic Capacitor Bi-Polar Electrolytic Capacitor Chip Aluminum Electrolytic Capacitor Chip Aluminum Bi-Polar Capacitor Chip Tantalum Electrolytic Capacitor Chip Tantalum Bi-Polar Electrolytic Capacitor TOLERANCES F ±1% G ±2% J ±5% K ±10% M ±20% N ±30% R +30% -10% H +50% -10% Z +80% -20% P +100% -0% No. 51893 33 AV-21ETG2 AV-2124EE CONTENTS ! EXPLODED VIEW PARTS LIST 34 ! EXPLODED VIEW 35 ! PRINTED WIRING BOARD PARTS LIST [ AV-21ETG2] " MAIN PW BOARD ASS'Y (SCG-1292A-H2) (With CRT SOCKET PW BOARD) 36 [ AV-2124EE ] " MAIN PW BOARD ASS'Y (SCG-1293A-H2) (With CRT SOCKET PW BOARD) 39 ! REMOTE CONTROL UNIT PARTS LIST 42 ! PACKING & PACKING PARTS LIST 43 USING PW BOARD & REMOTE CONTROL UNIT Model PWB ASS'Y MAIN PWB REMOTE CONTROL UNIT AV-21ETG2 SCG-1292A-H2 RM-C364GY-1H AV-2124EE SCG-1293A-H2 EXPLODED VIEW PARTS LIST '()*+%&$ '()*+%(," -"./)01*0&2 ! !"#$%&$ +++++++++++++++++ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 345 B45 B45 -L45 >57II ++5 ++5 ++I ! ++S ! ! ! ! ! ! ! ! ++K ++7 ! ++M ! ++D ++Q ++: +54 +55 ! ! ! ! ! ! +5I +5S +5K +57 +57 +5M +5D +5Q +5: 675898::; 99C44DDE445 99C45IKE445 99-44M5E445 99O454IE445 FF544KQE44Q6EO FF544KQE44:6EO =RKS4:KE44:EO FFS444DE445AE= FFS4447E445AE= =RS7IS7E44:EO FFI444IE445AE= FFS444ME445AE= 6KQK7DESEO =OFA445ME4AENO =@KIDIQE446 6D74SKEA =@APP4:-E4S8TI =RKQ5KKE44IEO FF544K:E44I6EO B=I4SDDE445AEO FFI445KE4476EO 9R'!SK4E5M7E8I =RIS5MDE645EO 9LPAPNFK45MW 9LPAPNS454W =RSMM5DEA45EO '<=>?!@+>?A@ -@F$=G!6%PN$ N!G%>+=6A<%@> N!G%>+=6A<%@> T3=+R6!8 @$@$C<%-GC 'GC@
File name 51893sch.pdf

AV-21ETG2 AV-2124EE SCHEMATIC DIAGRAMS COLOUR TELEVISION AV-21ETG2 AV-2124EE CD-ROM No.SML200112 BASIC CHASSIS CG CONTENTS NOTE ON USING CIRCUIT DIAGRAMS SEMICONDUCTOR SHAPES BLOCK DIAGRAM CIRCUIT DIAGRAMS PATTERN DIAGRAMS 2-1 2-2 2-3 2-7 2-9 COPYRIGHT 2001 VICTOR COMPANY OF JAPAN, LTD. No.51893 Nov. 2001 AV-21ETG2 AV-2124EE AV-21ETG2 AV-2124EE CONTENTS SEMICONDUCTOR SHAPES BLOCK DIAGRAM CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 2-2 2-3 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 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. Type No indication MM PP MPP MF TF BP TAN (3)Coils No unit : Original setting position when shipped :DC 20k :H :V :Others /V 20µS/div 5mS/div Sweeping time is specified Others (4)Power Supply :B1 :9V Respective voltage values are indicated (5)Test point :Test point (6)Connecting method :Connector :Wrapping or soldering :Only test point display :B2 (12V) :5V :[ µ H] :As specified :Ceramic capacitor :Metalized mylar capacitor :Polypropylene capacitor :Metalized polypropylene capacitor :Metalized film capacitor :Thin film capacitor :Bipolar electrolytic capacitor :Tantalum capacitor 2-5 PATTERN DIAGRAMS MAIN PWB & CRT SOCKET PATTERN 2-9 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 SEMICONDUCTOR SHAPES TRANSISTOR BOTTOM VIEW FRONT VIEW TOP VIEW CHIP TR C (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. 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 E C B E C B 4.INDICATIONS ON THE CIRCUIT DIAGRAM B C E (G)(D)(S) E C B E C B B E (1)Resistors Resistance value No unit IC BOTTOM VIEW FRONT VIEW TOP VIEW K M 1 N Rated allowable power No indication :1/ 16 [W] Others Type No indication OMR MFR MPR :As specified :Carbon resistor :Oxide metal film resistor :Metal film resistor :Metal plate resistor :Uninflammable resistor :Fusible resistor 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 LIVE side GND and the ISOLATED(NEUTRAL) side GND simultaneously. If the above caution is not respected, an electric shock may be caused. Therefore, make sure that the power cord is surely removed from the receptacle when, for example, the chassis is pulle



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