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SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE WITH
MARK
!
ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
1.
Check the area of your repair for unsoldered or poorly-soldered
connections. Check the entire board surface for solder splashes
and bridges.
connections. Check the entire board surface for solder splashes
and bridges.
2.
Check the interboard wiring to ensure that no wires are
"pinched" or contact high-wattage resistors.
"pinched" or contact high-wattage resistors.
3.
Look for unauthorized replacement parts, particularly
transistors, that were installed during a previous repair. Point
them out to the customer and recommend their replacement.
transistors, that were installed during a previous repair. Point
them out to the customer and recommend their replacement.
4.
Look for parts which, through functioning, show obvious signs
of deterioration. Point them out to the customer and
recommend their replace-ment.
of deterioration. Point them out to the customer and
recommend their replace-ment.
5.
Check the B+ voltage to see it is at the values specified.
6.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE
!
SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE
REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY
DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPÉMENTS PUBLIÉS PAR SONY.
MODEL NAME
SAFETY SECAM (REC/PB)
ME-SECAM (REC/PB)
FLAP (W/SW)
COMMAND SW
DNR
ML KEY
COUNTER RESET
AUDIO OUT 2
EUR IN (2nd)
ADDITIONAL IN
(RCA INPUT)
(RCA INPUT)
LINE 2 OUT
SAT CONTROL
ACS (
¢ : ACA)
TUNER
BTF-
SYSTEM 1
STEREO
SYSTEM 2
STEREO
CATV
RF OUT SYS
REMOTE COMMANDER
VTR MODE
LANGUAGE
SLOW
SHOW VIEW/VIDEO PLUS
AUDIO DUB
REPLAY
X2
FRAME
TITLE
SAT
E850UX
RCA
in
g
g
WU601
I
NI
I
V240
3
ENG
V PLUS DX
g
g
g (RING)
g (RING)
g
E850B
g/g
G/g
RCA
C+/in
g
g
3WC443
L
NI
BG
ZWEI
g
L/G
V240A
3
FRE
SVDX
g
g
g (RING)
g (RING)
g
E880EG
g/g
g
g
C+/in
g
¢
¢
3WC425
DK
ZWEI
BG
ZWEI
g
K/G
V223C
3
ENG
SV
g
g
g
g (JOY)
F900VC
g
g
g(4)
RCA
C+/in
¢
3WC402
BG
ZWEI
g
G
V222C
3
ENG
g
SV
g
g
g
F900NP
g
g
g(4)
RCA
C+/in
g
WC411
BG
N/Z
g
G
V222C
3
ENG
g
SV
g
g
g
F900B
g/g
G/g
g
g(4)
RCA
C+/in
g
3WC443
L
NI
BG
ZWEI
g
L/G
V222E
3
FRE
g
SV
g
g
g
F900UX
g
g
g(4)
RCA
in
g
WU601
I
NI
I
V222D
3
ENG
g
V PLUS
g
g
g
F990VC
g
g
g
g(4)
g
C+/in
g
g
g
¢
3WC402
BG
ZWEI
g
G
V240B
1.2.3
ENG
SV DX
g
g
g (RING)
g (RING)
g
g
F990NP
g
g
g
g(4)
g
C+/in
g
g
¢
g
WC411
BG
N/Z
g
G
V240B
1.2.3
ENG
SV DX
g
g
g (RING)
g (RING)
g
g
F990B
g/g
G/g
g
g
G
g(4)
g
C+/in
g
g
g
g
3WC443
L
NI
BG
ZWEI
g
L/G
V240D
1.2.3
FRE
SV DX
g
g
g (RING)
g (RING)
g
g
F990UX
g
g
g
g(4)
g
in
g
g
g
g
WU601
I
NI
I
V240C
1.2.3
ENG
V PLUS DX
g
g
g (RING)
g (RING)
g
g
FEATURE DIFFERENCE
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