29
LC-15L1U-S
»
Wireless Center (TX) side fault-finding flowchart with no link
NO
NO
NO
NO
NG
NO
NO
NO
NO
NO
Go to the
step A.
9
.
OK
YES
NO
Replace
the cable.
YES
YES
OK
YES
OK
YES
Check the microprocessor operation using terminal software.
A. No display
YES
No link
YES
YES
OK
YES
OK
2
Is 3.3V output available
at pin (4) of IC5906?
C. MPEG setup OK is not
displayed.
1
Is 1.5V available at
both ends of L6000, and
+3.3V at both ends of L6001?
D. No display after APOLL2
startup
1
Check IC6701 periphery.
3
Go to the step E.
2
.
E. All displays are normal.
3
Replacement of UNT6700
did not help recover normal
operation.
4
Check the peripheries of
pins (40)-(43) of IC5704.
5
Check CN5200 peripheries.
1
Using a spectrum analyzer
or the like, check that output
signal has RF waveform.
2
Check that the cable
connecting CN5200 and
UNT6700 has no
interference or damage.
2
Is 3.3V available at
each of the following pins of
IC6701?
(1), (8), (18), (31), (37), (44),
(54), (67), (73), (80), (90), (103),
(109), (116), (126), (133) and
(139)
3
Is output signal waveform normal
at pin (13) of IC5704?
4
Is 3.3V output available
at pin (4) of IC5706?
6
Check IC5704 and Q5705
peripheries.
7
Check IC5902 periphery.
8
Is 1.5V available at
X5902?
9
Is 3.3V available at
X5900?
0
Is 5.0V output available
at pin (4) of IC5907?
q
Check IC6500 periphery.
IC5704 failure
1
Is 9V available at pins
(1)-(3) of CN5002?
Check for connector
damage or cable
disconnection.
Check IC5906
periphery.
Check L6000
and L6001.
Not serviceable
Check FL5701
periphery.
Check IC5706
periphery.
Check Q5904
periphery.
Check Q5902
periphery.
Check IC6501 and
Q5903 peripheries.
Summary of Contents for LC-15L1US
Page 33: ...33 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 BATTERY CONNECTOR Unit INVERTER Unit ...
Page 39: ...39 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 A CONNECTOR FOR THE SOFTWARE RENEWAL ...
Page 41: ...41 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM Ë SWITCH LED Unit ...
Page 42: ...42 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë WIRELESS CENTER Unit 1 6 ...
Page 43: ...43 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 44: ...44 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë WIRELESS CENTER Unit 2 6 ...
Page 45: ...45 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 46: ...46 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë WIRELESS CENTER Unit 3 6 ...
Page 47: ...47 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 48: ...48 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë WIRELESS CENTER Unit 4 6 ...
Page 49: ...49 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 50: ...50 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë WIRELESS CENTER Unit 5 6 ...
Page 51: ...51 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 52: ...52 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë WIRELESS CENTER Unit 6 6 ...
Page 53: ...53 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 54: ...54 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...
Page 55: ...55 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 56: ...56 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...
Page 57: ...57 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 58: ...58 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...
Page 59: ...59 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 60: ...60 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...
Page 61: ...61 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 62: ...62 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...
Page 63: ...63 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 64: ...64 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...
Page 65: ...65 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 66: ...66 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...
Page 67: ...67 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 68: ...68 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H Ë OPERATION Unit ...
Page 69: ...69 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H Ë DC JACK Unit ...
Page 70: ...70 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë INVERTER Unit ...
Page 71: ...71 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 72: ...72 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H Ë R C LED Unit ...
Page 73: ...73 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H Ë BATTERY CONNECTOR Unit ...
Page 74: ...74 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 1 7 ...
Page 75: ...75 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 76: ...76 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 2 7 ...
Page 77: ...77 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 78: ...78 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 3 7 ...
Page 79: ...79 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 80: ...80 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 4 7 ...
Page 81: ...81 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 82: ...82 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 5 7 ...
Page 83: ...83 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 84: ...84 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 6 7 ...
Page 85: ...85 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 86: ...86 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS TX Unit 7 7 ...
Page 87: ...87 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 88: ...88 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 1 9 ...
Page 89: ...89 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 90: ...90 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 2 9 ...
Page 91: ...91 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 92: ...92 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 3 9 ...
Page 93: ...93 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 94: ...94 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 4 9 ...
Page 95: ...95 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 96: ...96 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 5 9 ...
Page 97: ...97 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 98: ...98 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 6 9 ...
Page 99: ...99 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 100: ...100 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 7 9 ...
Page 101: ...101 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 102: ...102 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 8 9 ...
Page 103: ...103 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 104: ...104 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë SS RX Unit 9 9 ...
Page 105: ...105 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 107: ...107 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 112: ...112 LC 15L1U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A ...
Page 113: ...113 LC 15L1U S 17 16 19 18 15 14 13 12 11 10 ...
Page 116: ...116 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H INVERTER Unit Side A ...
Page 118: ...118 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H SS TX Unit Side A RUNTKA077WJZZ ...
Page 119: ...119 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H SS TX Unit Side B RUNTKA077WJZZ ...
Page 120: ...120 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H SS RX Unit Side A RUNTKA078WJZZ ...
Page 121: ...121 LC 15L1U S 6 5 4 3 2 1 A B C D E F G H SS RX Unit Side B RUNTKA078WJZZ ...