JVC AV-21L31B/ free download

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AV-21L31B AV-29L31 AV-29L31B SCHEMATIC DIAGRAMS COLOR TELEVISION BASIC CHASSIS CH AV-21L31B/T AV-29L31/T AV-29L31B/T CD-ROM No. SML200202 DISPLAY POWER DISPLAY POWER MENU MENU BASS CHANNEL VOLUME CHANNEL VOLUME CLOSED CAPTION MUTING CLOSED CAPTION MUTING TV/VIDEO 1 4 2 5 8 0 3 6 9 100 TV/VIDEO 1 4 2 5 8 0 3 6 9 100 PICTURE MODE 7 PICTURE MODE 7 CHANNEL SCAN RETURN CHANNEL SCAN RETURN ECO SENSOR OFF TIMER ECO SENSOR OFF TIMER RM-C248 REMOTE CONTROL UNIT RM-C249 REMOTE CONTROL UNIT RM-C248-2C [AV-29L31/T] RM-C249-2C [AV-21L31B/T] [AV-29L31B/T] [AV-21L31B/T] [AV-29L31/T, AV-29L31B/T] COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD. No. 51926 Jan. 2002 AV-21L31B /T AV-29L31 /T AV-29L31B /T STANDARD CIRCUIT DIAGRAM q 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. AV-21L31B AV-29L31 AV-29L31B · Type No indication MY MM PP MPP MF TF BP TAN (3) Coils No unit Others (4) Power Supply : B1 : B2(12V) : 9V : 5V : Ceramic capacitor : Mylar capacitor : Metalized mylar capacitor : Polypropylene capacitor : Metalized polypropylene capacitor : Metalized film capacitor : Thin film capacitor : Bipolar electrolytic capacitor : Tantalum capacitor : [µH] : As specified 2. SPECIFIED VOLTAGE AND WAVEFORM VALUES The voltage and waveform values have been measured under the following conditions. (1) Input signal : Color bar signal (2) Setting positions of each knob/button and variable resistor : Original setting position when shipped (3) Internal resistance of tester : DC 20kШ/V (4) Oscilloscope sweeping time : H 20µS/div :V 5mS/div : Others Sweeping time is specified. (5) Voltage values : All DC voltage values 9 Since the voltage values of signal circuit vary to some extent according to adjustments, use them as reference values. 9Respective voltage values are indicated (5) Test point : Test point : Only test point display (6) Connecting method : Connector : Wrapping or soldering : Receptacle (7) Ground symbol : LIVE side ground : ISOLATED(NEUTRAL) side ground : EARTH ground : DIGITAL ground 3. INDICATION OF PARTS SYMBOL [EXAMPLE] · In the PW board : R1209 R209 4. INDICATIONS ON THE CIRCUIT DIAGRAM (1) Resistors · Resistance value No unit : [Ш] k : [kШ] M : [MШ] · Rated allowable power No indication : 1/16 [W] Others : As specified · Type No indication : Carbon resistor OMR : Oxide metal film resistor MFR : Metal film resistor MPR : Metal plate resistor UNFR : Non-Flammable resistor FR : 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. I