JVC AV-21BD5EKI Service Manual

AV-21BD5EKI AV-21BD5EP AV-21BD5EE
AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
BLOCK DIAGRAM
2-2 No.51742
REVISED
Please throw it out the service manual for AV-21BD5EKI/EKIS/EP/EPS/EE/EES issued in
Jul. 2000,and use this service manual (No.51742 Oct. 2000).
AV-21BD5EKI / AV-21BD5EP / AV-21BD5EE
AV-21BD5EKIS / AV-21BD5EPS / AV-21BD5EES
STANDARD CIRCUIT DIAGRAM
n NOTE :
1. RESISTANCE IS SHOWN IN OHM. K=1000, M=1000000
2.
UNLESS OTHERWISE NOTED IN SCHEMATIC ALL CAPACITOR VALUES ARE EXPRESSED IN Ê Ê Ê Ê F
3.
VOLTAGES READ WITH “VTVM” FROM POINT INDICATED TO CHASSIS GROUND USING A COLOR BAR SIGNAL
WITH ALL CONTROLS AT NORMAL LINE 230V AC VOLTAGE READINGS SHOWN ARE NORMAL VALUES AND MAY
VARY +20% EXCEPT H.V
4. THIS CIRCUIT DIAGRAM IS A STANDARD ONE CIRCUIT PRINTED MAY BE SUBJECT TO CHANGE FOR PRODUCT
IMPROVEMENT WITHOUT PRIOR NOTICE.
n WARNING :
BEFORE SERVICING THE CHASSIS, READ “X-RAY RADIATION”, “SAFETY PRECAUTION”, AND “PRODUCT
SAFETY NOTICE” IN SERVICE MANUAL.
n PRODUCT SAFETY NOTE :
COMPONENTS MARKED WITH     ARE IMPORTANT FOR MAINTAINING.
THE SAFETY OF THE SET AND SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE
ORIGINAL OR SPECIFIED ONE IN THE PARTS LIST.
DON’T DEGRADE THE SAFETY THROUGH IMPROPER SERVICING.
n CAUTION TO SERVICE TECHNICIANS :
BEFORE RETURNING THE RECEIVER TO CUSTOMER, LEAKAGE CURRENT OR RESISTANCE MEASUREMENTS
SHOULD BE PERFORMED TO DETERMINE THAT EXPOSED PARTS ARE PROPERLY INSULATED FROM THE
SUPPLY CIRCUIT.
RESISTOR CAPACITOR
CONTENTS
n BLOCK DIAGRAM                     
       
n CIRCUIT DIAGRAM                     
       
n PATTERN DIAGRAMS 
                    
AV-21BD5EKI AV-21BD5EP AV-21BD5EE
AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
COIL
                  2-2
         
                  2-3
         
 2-7
                                 
Oct. 2000 No.51742