Hitachi 32PD5000 - Page 100

NO•P OWE R
V c c L I N E i s d o w n , w h e n V s , V a L I N E i s d o w n i n M P F7409 L .
NO P OW E R
F U S E
S T B
IC101,R 005
check voltage
D011(k)-J13
D151,Q104, Q108,etc
impedance check
D001
impedance check
Q201
impedance check
Q301
D001
Q003/Q004,
etc
Q201,IC201
D210,Q202,etc
Q301, D310,Q303,
Q302,etc
NO Vs ,V a,Vcc,S T B
over 130V
NO PICTURE
& S OU ND 1
S T B
V cc
IC201,Q202,P C201,
P C202,P C253,
D210,etc
S ee NO P OW E R
I C 0 0 1,D005•D008,
R L 0 0 1 , P C003,Q010,etc
NO Vs ,Va,V cc
open connector
CN64
i m p e d a n c e c h e c k
V s L I N E
impedance check
Vs L INE
P DP module V s
NG
i m p e d a n c e c h e c k
V a L I N E
o p e n c o n nector
C N 6 4
i m p e d a n c e check
V a L I NE
P DP module Va
NG
D 3 5 1
D551,D550
V a : n o u p r i s e
V s : d o w n a f t e r u p
V s : n o u p r i s e
V a : d o w n a f t e r u p
S W O N
Q303,
P C 3 0 1 , P C 3 0 2
D 3 1 0 , I C 3 9 1 ,
etc
I C 3 9 1 , Q 5 0 1 ,
I C 5 0 1 , D 5 1 0 ,
Q 5 0 2 , P C 5 0 1 ,
P C 5 0 2 , D 2 3 5 ,
D 2 3 6 , e t c
N O V s , V a , Vcc
NG
OK OK
NG
NG
OK
NG
OK
check voltage
J9 - J13
NGOK
over 300V
u n d e r 3 0 0 V
OK
NG
NG
OK
NG
OK
under 130V
NG
NG
OK
NG
NG
OK
OK
NO PICTURE
& S O U N D 2
Power Supply Unit Troubleshooting
Impedance check
Q003/Q004