3-3
ELECTRICAL TROUBLESHOOTING GUIDE
1. Power(SMPS) CIRCUIT
NO 5.3VA.
Replace the F101.
(Use the same Fuse)
Is the F101 normal?
Is the TH101
normal?
Is the BD101
normal?
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Replace the
BD101.
Replace the TH101.
Is the D105
normal?
Check or Replace
the D105.
Replace the D129.
Replace the IC106.
Replace the D127.
Replace the D126.
Replace the D125.
Replace the D124.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Is Vcc(12~28V) sup-
plied to IC104 Pin3?
Is the D129 nor-
mal?
Is there about 2.5V
at the IC106 Vref?
Is the D127
normal?
Is the D126
normal?
Is the D125
normal?
Is the D124
normal?
Check the Main PCB
Power supply Line short?
(1) No 5.3VA (SYS/Hi-Fi/TUNER)
NO 5.0VA.
Check or Replace
the D129.
Is there about 5.3V
at the IC152 Pin1?
Check or Replace
the IC152.
NO
YES
YES
(2) No 5.0VA
NO 3.3VA.
Check or Replace
the D127.
Is there about 3.8V
at the IC152 Pin1?
Check or Replace
the IC151.
NO
YES
YES
(3) No 3.3VA
NO 12VA.
Check or Replace
the D126.
Is there about 13V
at the IC153 Pin1?
Check or Replace
the IC153.
NO
YES
YES
(4) No 12VA
NO
NO
NO
NO
NO
Содержание D35
Страница 10: ...951 954 960 961 953 957 959 955 956 963 2 Woofer Speaker Section DTE 5100WE Woofer Speaker Section Part List...
Страница 11: ...2 5 3 Speaker Section DTE 550TE Speaker Section Part List 850 852 851A 851 853 854 857 858...
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Страница 49: ...3 92 INTERNAL BLOCK DIAGRAM OF ICs CS8415A...
Страница 50: ......
Страница 59: ...3 38 3 39 2 POWER SMPS CIRCUIT DIAGRAM 2...
Страница 60: ...3 40 3 41 3 TU IF ACSS A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO...
Страница 66: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Страница 67: ...3 54 3 55 2 KEY RIGHT P C BOARD LOCATION GUIDE 3 KEY LEFT P C BOARD LOCATION GUIDE...
Страница 68: ......
Страница 71: ...3 72 3 73 3 MPEG CIRCUIT DIAGRAM Optical Coaxial out CVBS Y Pb Pr Componet Y C S VHS WAVEFORM...
Страница 74: ...3 78 3 79 6 JACK CIRCUIT DIAGRAM...
Страница 78: ...3 86 3 87 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW LOCATION GUIDE...
Страница 79: ...3 88 3 89 2 MAIN P C BOARD BOTTOM VIEW LOCATION GUIDE...
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Страница 83: ...3 97 3 98 CIRCUIT DIAGRAMS 1 AMP CIRCUIT DIAGRAMS...
Страница 84: ...2 DSP DIGITAL AUDIO PROCESSING CIRCUIT DIAGRAMS 3 99 3 100...
Страница 85: ...3 101 3 102 3 COM CIRCUIT DIAGRAMS...
Страница 86: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD SOLDER SIDE LOCATION GUIDE 3 103 3 104...
Страница 87: ...3 105 3 106 2 MAIN P C BOARD LOCATION GUIDE...
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Страница 111: ...4 22 GEAR F R GEAR AY P2 P3 Lever F R Base Tension Boss CAM...
Страница 120: ...MEMO...
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