14
SX68JF100
14-1
14-2
TROUBLE SHOOTING TABLE
(Continued)
Circuits to be checked:
»
Power circuit.
»
Micon circuit.
»
Protector circuit
»
Peripheral circuit of
Bus Line.
Check L1002 and
the sub power
circuit consisting
IC2700, D2700
and etc.
Check the power circuit
consisting of IC1702, T1700
and sub power circuit
consisting of IC2700, D2700
and etc.
Normal
Check F2700.
Replace the Fuse.
Is the Fuse again blown out?
Does 5V appear at pin (33) of IC1000?
Blown out
A
No
No
Yes
Yes
Check IC1000,
Q1008, Q1750,
Q1751 and
IC1002.
TROUBLE SHOOTING TABLE
(Continued)
B
E
2
PROM
(IC1001)
AV-SW
(IC451)
VCD1
(IC2801)
SECAM
(IC2901)
PDC
(IC1500)
DCF
(IC5461)
DEM
(IC2300)
PLL1
(TU201)
VCD2
(IC4902)
PIP
(IC4901)
Lights up
turn off
SSP
(IC2302)
Other pattern:
Other I
2
C bus control ic or unit.
(It has SDA and SCL PORT.)
Содержание SX68JF100
Страница 18: ...19 SX68JF100 18 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...
Страница 19: ...21 SX68JF100 20 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 1 ...
Страница 20: ...23 SX68JF100 22 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 2 ...
Страница 21: ...24 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SX68JF100 WAVEFORMS ...
Страница 25: ...29 SX68JF100 28 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit 1 ...
Страница 26: ...31 SX68JF100 30 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN Unit 2 ...
Страница 28: ...35 SX68JF100 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM POWER Unit ...
Страница 30: ...37 17 16 19 18 15 14 13 12 11 10 SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CONTROL Unit ...
Страница 31: ...38 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM SUB POWER Unit ...
Страница 32: ...39 17 16 19 18 15 14 13 12 11 10 SX68JF100 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM NICAM Unit ...
Страница 33: ...41 SX68JF100 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM VCJ Unit ...
Страница 35: ...45 SX68JF100 44 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side Chip Parts ...
Страница 36: ...47 SX68JF100 46 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB B POWER Unit Wiring Side ...
Страница 38: ...49 SX68JF100 6 5 4 3 2 1 A B C D E F G H PWB E CONTROL Unit Wiring Side ...
Страница 39: ...50 SX68JF100 6 5 4 3 2 1 A B C D E F G H PWB H SUB POWER Unit Wiring Side ...
Страница 40: ...51 SX68JF100 6 5 4 3 2 1 A B C D E F G H PWB I NICAM Unit Wiring Side PWB I NICAM Unit Wiring Side Chip Parts ...
Страница 41: ...52 SX68JF100 6 5 4 3 2 1 A B C D E F G H Wiring Side PWB J VCJ Unit Wiring Side Chip Parts ...