AV-21BD5EKI AV-21BD5EP AV-21BD5EE
AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
1
No.51742
AV-21BD5EKI AV-21BD5EP AV-21BD5EE
AV-21BD5EKIS AV-21BD5EPS AV-21BD5EES
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. UN ESS OTHERWISE NOTED IN SCHEMATIC A CAPACITOR VA UES ARE EXPRESSED IN Ê
ÊÊ
ÊF
3. VO TAGES READ WITH VTVM FROM POINT INDICATED TO CHASSIS GROUND USING A CO OR BAR SIGNA
WITH A CONTRO S AT NORMA INE 230V AC VO TAGE READINGS SHOWN ARE NORMA VA UES 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 MANUA .
n
PRODUCT SAFETY NOTE :
COMPONENTS MARKED WITH
ARE IMPORTANT FOR MAINTAINING.
THE SAFETY OF THE SET AND SHOU D BE REP ACED ON Y WITH TYPES IDENTICA TO THOSE IN THE
ORIGINA OR SPECIFIED ONE IN THE PARTS IST.
DONT DEGRADE THE SAFETY THROUGH IMPROPER SERVICING.
n
CAUTION TO SERVICE TECHNICIANS :
BEFORE RETURNING THE RECEIVER TO CUSTOMER, EAKAGE CURRENT OR RESISTANCE MEASUREMENTS
SHOU D BE PERFORMED TO DETERMINE THAT EXPOSED PARTS ARE PROPER Y INSU ATED FROM THE
SUPP Y CIRCUIT.
CONTENTS
n B OCK DIAGRAM
2-2
n CIRCUIT DIAGRAM
2-3
n PATTERN DIAGRAMS
2-7
RESISTOR CAPACITOR COI
2-2 Jul. 2000 No.51742
B OCK DIAGRAM
BASE BAND SIGNAL
#28
#29
#49
#50
#52
#53
#36
#37 #58
SOUND PROCESSOR I601
AUDIO OUT
SCART1
AUDIO IN
SCART2
AUDIO
SCART1
I602
AUDIO
AMPLIFIER
TO SPEAKERS/
EAD P ONE
I702
MEMORY
II C BUS
VIDEO PROCESSOR
I501
#51
#52
#53
#46
#47
#48
#43 #40
#2 #3
MICRO CONTROLLER
TO CRT BOARD
VIDEO
IN
VIDEO
OUT
QSS
OUT
EXIT
VIDEO IN
#38 #35 #42
#23
#24
#28
#29
IF
VIDEO IF
IF=38.9M z(All standard except L’)
=33.9M z(L’)
SF1 SF2
AUDIO IF
#4-I501
RGB OUT
EXT RGB IN
C ROMA IN
TRAP 5.5M z
SIF(5.5M z for system B/G)
SWITC ING
CURCUIT
VIDEO IN
SCART1
SCART2
SWITC CONTROL
form #8-I501
and #-8 SCART1
