Hitachi 32PD5000 Service Manual page 100

NO P OW E R
NO•P OW E R
F U S E
OK
NG
S T B
OK
under 130V
NO PICTURE
& S OU ND 1
OK
OK
NO PICTURE
& S O U N D 2
i m p e d a n c e c h e c k
V s L I N E
OK
i m p e d a n c e c h e c k
V a L I N E
OK
S W O N
V a : n o u p r i s e V s : n o u p r i s e
V s : d o w n a f t e r u p V a : d o w n a f t e r u p
I C 3 9 1 , Q 5 0 1 ,
Q303,
I C 5 0 1 , D 5 1 0 ,
P C 3 0 1 , P C 3 0 2
Q 5 0 2 , P C 5 0 1 ,
D 3 1 0 , I C 3 9 1 ,
P C 5 0 2 , D 2 3 5 ,
etc
D 2 3 6 , e t c
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 F 7409 L .
NO V s ,V a,V cc,S T B
NG
over 130V
check voltage
D011(k)-J13
IC101,R 005 D151,Q104, Q108,etc
NO V s ,V a,V cc
NG
S T B
NG
V cc
u n d e r 3 0 0 V
I C 0 0 1,D005•D008,
R L 0 0 1 , P C003,Q010,etc
N O V s , V a , V cc
NG
NG
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
NG
D 3 5 1
Power Supply Unit Troubleshooting
over 300V
check voltage
J9 - J13
OK
P DP module V a
NG
impedance check
NG
D001
OK
Impedance check
NG
Q003/Q004
OK
Q003/Q004,
impedance check
NG
Q201
OK
Q201,IC201
D210,Q202,etc
impedance check
NG
Q301
Q301, D310,Q303,
Q302,etc
S ee NO P OW E R
IC201,Q202,P C201,
P C202,P C253,
D210,etc
open connector
CN64
impedance check
V s L INE
OK
NG
P DP module V s
D551,D550
D001
etc
NG