4-8
ELECTRICAL TROUBLESHOOTING GUIDE
Laser operating is abnormal
Replace the traverse
assembly. (Pick-up)
Is there
LDD data signal
communication? (LIC501
Pin44,45,46,
90)
OK
NO
NG
Does
laser turn on?
YES
NG
YES
Replace the LIC501.
Replace the traverse assembly
and scan the Pick-up barcode.
Is there
LDD vcc voltage input?
(LIC201 Pin32, 33)
NO
Pin32 : Check the 5V path.
Pin33 : Check the 8.1V path
and LIC902 operation
Check the main PCB Pick-up
interface circuit
Check the signal pattern and
application components
Check the LDD data signals.
(LCN700 Pin39,40,41,42)
Check the connector
LCN700 and Pick-up FFC
cable connection
NO
OK
YES
7. LASER OPERATING IS ABNORMAL
Содержание HB954TB
Страница 51: ...2 42 WAVEFORMS 1 SYSTEM PART 1 X500 27MHz 1 X501 25MHz 2 1 IC500 BCM7440P 2 ...
Страница 53: ...2 44 3 VIDEO PART 1 100 FULL COLOR BAR CVBS_I 7 Y 8 Pb 9 Pr 10 7 9 10 8 ...
Страница 54: ...2 45 4 VIDEO PART 2 100 FULL COLOR BAR CVBS 11 COMP_Y 12 COMP_Pb 13 COMP_Pr 14 11 14 12 13 ...
Страница 55: ...2 46 5 HDMI PART HDMI_SDA 15 HDMI_SCL 16 HDMI_CLK 17 HDMI_DATA 18 18 17 15 16 ...
Страница 56: ...2 47 6 MICOM AND MPEG I F PART T_TX 19 R_RX 20 20 19 ...
Страница 57: ...2 48 MEMO ...
Страница 64: ...MICOM HB954 HB754 HB354 EBY34069151 05 REV 7 1 EAX60805402 2009 03 12 2 61 2 62 5 MICOM CIRCUIT DIAGRAM ...
Страница 65: ...HDMI HB954 HB754 HB354 EBY34069151 06 REV 7 1 EAX60805402 2009 03 12 2 63 2 64 6 HDMI CIRCUIT DIAGRAM ...
Страница 66: ...CPLD HB954 HB754 HB354 EBY34069151 07 REV 7 1 EAX60805402 2009 03 12 2 65 2 66 7 CPLD CIRCUIT DIAGRAM ...
Страница 67: ...ADC DIR HB954 HB754 HB354 EBY34069151 08 REV 7 1 EAX60805402 2009 03 12 2 67 2 68 8 ADC DIR CIRCUIT DIAGRAM ...
Страница 68: ...DSP HB954 HB754 HB354 EBY34069151 09 REV 7 1 EAX60805402 2009 03 12 2 69 2 70 9 DSP CIRCUIT DIAGRAM ...
Страница 73: ...2 79 2 80 14 FRONT CIRCUIT DIAGRAM FRONT HB954 HB754 HB354 EBY34069153 REV 5 1 EAX60805702 2009 03 12 ...
Страница 75: ...2 83 2 84 16 POWER KEY CIRCUIT DIAGRAM PWR KEY HB954 HB754 HB354 EBY34069158 REV 1 10 EAX60806102 2009 03 12 ...
Страница 76: ...2 85 2 86 17 IPOD CIRCUIT DIAGRAM IPOD HB954 HB754 HB354 EBY34069154 REV 5 4 EAX60805803 2009 03 12 ...
Страница 77: ...2 87 2 88 18 TOUCH CIRCUIT DIAGRAM TOUCH HB954 HB754 HB354 EBY60659401 REV 2 3 EAX60805901 2009 01 20 ...
Страница 80: ...2 93 2 94 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 81: ...2 95 2 96 MAIN P C BOARD BOTTOM VIEW ...
Страница 82: ...2 97 2 98 2 SMPS P C BOARD TOP VIEW ...
Страница 83: ...2 99 2 100 SMPS P C BOARD BOTTOM VIEW ...
Страница 84: ...2 101 2 102 3 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 87: ...3 2 MEMO ...
Страница 93: ...3 10 ...
Страница 94: ...954B 954A 950 955 956 957 951 958 953 952 A900 4 3 PASSIVE SUBWOOFER SB94TB W 3 11 ...
Страница 95: ...MEMO 3 12 ...
Страница 117: ...4 22 MEMO ...
Страница 118: ...4 24 4 23 CIRCUIT DIAGRAM LOADER HL 04P EBY51750301 REV 6 1 2009 01 20 ...
Страница 120: ...4 27 4 28 PRINTED CIRCUIT BOARD DIAGRAMS TOP VIEW ...
Страница 121: ...4 29 4 30 BOTTOM VIEW ...