-39-
7-1-3. When Control Key does not operate
Check S tart
After t urn on t he powe r,
does LED t urn o n red light?
After ST-BY on
Does LED t urn on green ligh t?
Is output first pin PW7 no rmal?
Check Main PCB
1.
Replace the CON NECTOR
2.
Replace KEY PCB
Check the connection o f KEY PCB
to MAIN PCB
-> Check the connection between
KEY PCB and MAIN PCB
1.
Check AC co nnect ion
2.
Check Powe r S/ W ON
3.
Check ot her PCBs
Y
Y
Y
N
N
N
A. First check connection, and then check the output of first pin of PW6(ST-BY 3.3V).
B. Check waveform third pin and 5th pin of PW6. If waveform does not appear, replace
Connector or KEY PCB
- Main TP
RCW9(KEY1), RCW10(KEY2)
Summary of Contents for DLP-2612
Page 7: ...7 3 2 POWER BLOCK DIAGRAM...
Page 34: ...34 G Signal LCA4 B Signal LCA5 Clock RCA10 near ICA10...
Page 36: ...36 Horizontal sync RCD6 near ICD10 Vertical sync RCD7 near ICD10...
Page 45: ...45 COMPONENT PICTURE REMARK 1 LCD MODULE 2 MAIN BOARD 3 SUB BOARD 4 POWER BOARD...
Page 46: ...46 COMPONENT PICTURE REMARK 5 RONT MASK 6 BACK COVER 7 STAND 8 ALL CONNECTROR CONNECTION...
Page 60: ...11 SCHEMATIC DIAGRAM 62...
Page 61: ...SCHEMATIC DIAGRAM 63...
Page 62: ...SCHEMATIC DIAGRAM 64...
Page 63: ...SCHEMATIC DIAGRAM 65...
Page 64: ...SCHEMATIC DIAGRAM 66...
Page 65: ...SCHEMATIC DIAGRAM 67...
Page 66: ...SCHEMATIC DIAGRAM 68...
Page 67: ...SCHEMATIC DIAGRAM 69...
Page 68: ...SCHEMATIC DIAGRAM 70...
Page 69: ...SCHEMATIC DIAGRAM 71...
Page 70: ...SCHEMATIC DIAGRAM 72...
Page 71: ...SCHEMATIC DIAGRAM 73...
Page 72: ...SCHEMATIC DIAGRAM 74...
Page 73: ...SCHEMATIC DIAGRAM 75...
Page 74: ...SCHEMATIC DIAGRAM 76...
Page 75: ...77 10 1 DLP 3212APSB...
Page 76: ...78 10 2 DLP 2612APSB...
