SERVICE MANUAL LC-XB41 - TechEdu.com

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Electrical Adjustments . 50% White adjustment [Video] 1. Enter the service mode. 2. Receive the 16-step grey scale composite video signal with Video[Video] mode. 3. Connect an oscilloscope to test point “TP35G” (+) and chassis ground (-). 4. Select group no. “100”, item no. “6” and change data value to adjust amplitude “a” to be 1.6 ±0.1V. white level (a) white level ⁄0 White Balance adjustment [Video] 1. Enter the service mode. 2. Receive the 16-step grey scale composite video signal with Video[Video] mode. 3. Select group no. “100” item no. “7” (Red) or “8” (Blue), and change Data values respectively to make a proper white balance. Confirm that the same white balance is obtained in video and computer input. Note On White Uniformity Adjustment If you find the color shading on the screen, please adjust the white uniformity by using the proper computer and “Color Shading Correction” software supplied separately. -30-
Electrical Adjustments Test Points and Locations MAIN BOARD K8S K6K K6J K8P 1 1 K8G K35B IC801 K8E 1 TPFANC TP35B TP35G IC1802 K35G IC531 IC561 K35R K8N K6M K6L TPFANB TPFANA K8B TP35R -31-
Page 1 and 2: SERVICE MANUAL Multimedia Projector
Page 3 and 4: Safety Instructions Safety Precauti
Page 5 and 6: Circuit Protections This projector
Page 7 and 8: Maintenance Cleaning the Filter Fil
Page 9 and 10: Maintenance Resetting the Lamp Coun
Page 11 and 12: Security Function Notice Security F
Page 13 and 14: Mechanical Disassembly x Main, AV B
Page 15 and 16: Mechanical Disassembly b Power, Bal
Page 17 and 18: Optical Parts Disassembly c Relay l
Page 19 and 20: Optical Parts Disassembly Panel Typ
Page 21 and 22: Optical Parts Disassembly , Locatio
Page 23 and 24: Optical Adjustments Before taking o
Page 25 and 26: Optical Adjustments Relay lens-Out
Page 27 and 28: Electrical Adjustments Circuit Adju
Page 29: Electrical Adjustments Gain adjustm
Page 33 and 34: Electrical Adjustments Group/ Item
Page 45 and 46: Chassis Block Diagrams Chassis over
Page 47 and 48: Chassis Block Diagrams Lamp control
Page 49 and 50: Chassis Block Diagrams Power supply
Page 51 and 52: Chassis Block Diagrams IIC bus cont
Page 53 and 54: Troubleshooting No Power This proje
Page 55 and 56: Troubleshooting No Sound Check foll
Page 57 and 58: Control Port Functions PIN NO. PORT
Page 59 and 60: IC Block Diagrams ● AN5870 ● B
Page 61 and 62: IC Block Diagrams ● HIN202EIB
Page 63 and 64: IC Block Diagrams ● LM4889 ● M
Page 65 and 66: IC Block Diagrams ● STR-Z2156 -65
Page 67 and 68: Electrical Parts List Electrical Pa
Page 69 and 70: Electrical Parts List KL6-XB4100 Ke
Page 81 and 82:
Electrical Parts List KL6-XB4100 Ke
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Mechanical Parts List Optical Parts
Page 91 and 92:
Mechanical Parts List KL6-XB4100 Pr
Page 93 and 94:
Mechanical Parts List Mechanical Pa
Page 95 and 96:
Diagrams & Drawings KL6-XB4100 Sche
Page 97 and 98:
Pin description of diode, transisto
Page 99 and 100:
2 3 4 1 1 1 1 2 2 2 2 1 1 1 3 2 2 1
Page 101 and 102:
A5 SCH_KL6AC DC-DC CONTROL MAIN-2 S
Page 103 and 104:
A B C D E F G H I J K L FROM IC401(
Page 105 and 106:
1 1 1 Printed Wiring Board Diagrams
Page 107 and 108:
A11 PCB_KL6AC L8 1 12 K8R K40B K40A
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