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57
PW1A
NO POWER
FUSE
STB
See
NO PICTURE & SOUND
Q101,R005
check voltage
D010(K)-J28
D151,IC101,
Q104,Q108,
etc
impedance
check D001
impedance check
Q003/Q004
impedance
check Q201
impedance
check Q301
D001
Q003,Q004,
etc
Q201,IC201
D210,Q200,etc
Q301,Q300
D310,etc
NO Vs,Va,Vcc,STB
[ POWER BOARD ]
over 130V
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NO PICTURE
& SOUND
STB
Vcc
See NO
PICTURE
IC201,Q200,PC201,
PC202,etc
See NO POWER
IC001,D005,D006,D007,
D008,PC003,etc
NG
NG
OK
OK
NO Vs,Va,Vcc
open connector
CN806,CN807
impedance
check Vs LINE
impedance
check Vs LINE
PDP module
Vs NG
impedance
check Va LINE
open connector
CN807
impedance
check Va LINE
PDP module
Va NG
D351
D551
Va:no uprise
Vs:down after up
Vs:no uprise
Va:down after up
SW ON
Q300,I301,D310
PC301,PC302,
etc
Q501,Q500,D510,
Q502,PC501,
PC502,etc
NG
NG
NG
OK
OK
OK
NO PICTURE
NO Vs,Va
check voltage
J61-J28
over 300V
under 300V
NG
OK
NG
under 130V
Содержание 42EDT41A
Страница 58: ...58 PW1A 7 Block diagram Block diagram 1 ...
Страница 62: ...62 PW1A 7 3 5 3 5 9 3 2 0 1 0 4 2 4 3 3 9 3 8 3 4 3 1 2 1 4 9 2 6 3 3 2 3 1 1 6 9 ...
Страница 66: ...66 PW1A 10 Basic circuit diagram POWER BOARD Basic circuit diagram 1 ...
Страница 67: ...67 PW1A POWER BOARD Basic circuit diagram 2 ...
Страница 68: ...68 PW1A POWER BOARD Basic circuit diagram 3 ...
Страница 69: ...69 PW1A POWER BOARD Basic circuit diagram 4 POWER BOARD Basic circuit diagram 5 ...
Страница 70: ...70 PW1A 11 Printed wiring board diagram POWER BOARD Printed wiring board diagram 1 ...
Страница 71: ...71 PW1A POWER BOARD Printed wiring board diagram 2 ...
Страница 72: ...72 PW1A POWER BOARD Printed wiring board diagram 3 ...
Страница 73: ...73 PW1A 12 Disassembly diagram ...
Страница 78: ...PW1A Power PWB DC Voltages CN805 CN63 CNPPS 78 ...
Страница 79: ...PW1A Joint PWB DC Voltages EJF6 EJF5 EJP2 EJP1 EJF1 EJA1 EJF2 79 ...
Страница 80: ...PW1A Audio PWB DC Voltages EAJ1 EAF1 EAD1 NOT USED 80 ...
Страница 81: ...PW1A Formatter PWB DC Voltages EFJ2 EFJ1 EFG1 EFK1 EFL1 EFA1 EFJ4 EFG2 81 ...
Страница 82: ...PW1A YSUS PWB DC Voltages P5 P6 82 ...
Страница 83: ...PW1A ZSUS PWB DC Voltages P1 83 ...
Страница 86: ......
Страница 87: ......
Страница 88: ...88 PW1A MEMO ...
Страница 89: ...PA 0198 42EDT41A CMP420V1A CMP420V2A ...