3. Wireless Display (CF-VDW07) DIAGNOSIS
Make sure that connecting cables, connectors, Battery Pack and AC adapter are not loose or disconnected prior to testing.
15
PCI failur
Go to No. 15-2
Does the system return to
normal if the expansion card
is removed?
YES
Main PCB
NO
IC4
15-1
Expansion card
Replace the expansion card.
Does operation return to
normal?
YES
Main PCB
NO
IC4
15-2
Component
Source of
problem
No.
Symptom
Troubleshooting
procedures
No.
Result
13
Does resetting the date/time
in SETUP correct the
problem?
13-1
Real time Clock is not
updating
Error during
SETUP
YES
Main PCB
NO
IC11
14
Replace the expansion RAM
card.
Does operation return to
normal? (Go to “NO” if not
connected.)
14-1
Memory size/data error
Expansion RAM
card
YES
Main PCB
NO
IC4
IC5 ~ 8
Component
Source of
problem
No.
Symptom
Troubleshooting
procedures
No.
Result
1
YES
Brigntness
adjustment
1-1
Does the LCD display
properly after brightness
level is adjusted?
No picture appears on the
screen.
Brigntness
adjustment
2
2-1
Does the LCD display
properly after brightness
level is adjusted?
Display is too dark or too
bright.
LCD
Go to No. 3-2
3
3-1
Replace the LCD.
Does operation return to
normal.
Part of the screen does
not display properly.
Display quality poor.
(Fuzzy or slanted, etc.)
NO
YES
NO
Go to No. 1-2
Go to No. 2-2
CN3
Q56
LCD
2-2
Replace the LCD.
Does operation return to
normal?
2-3
Replace the Main PCB.
Does operation return to
normal?
YES
NO
YES
NO
Main PCB (CF-VDW07)
LCD cable
IC24
YES
NO
Inverter PCB
Go to No. 4-2
4
4-1
Replace the Inverter PCB.
Does operation returnt o
normal?
Backlight does not turn on.
YES
NO
Main PCB (CF-VDW07)
LCD cable
IC24
3-2
Replace the Main PCB.
Does operation return to
normal?
YES
NO
Go to No. 2-3
Main PCB
(CF-VDW07)
YES
NO
LCD cable
YES
LCD
1-2
Replace the LCD.
Does operation return to
normal?
1-3
Replace the Main PCB.
Does operation return to
normal?
NO
Go to No. 1-3
Inverter cable
Go to No. 4-3
4-2
Replace the Inverter cable.
Does operation return to
normal?
YES
NO
Backlight
Main PCB
(CF-VDW07)
CN3
Q56
4-3
Replace the backlight.
Does operation return to
normal?
YES
NO
14-3
Summary of Contents for CF-07 Series
Page 3: ... RU 8 6 1 2 2 ...
Page 4: ...2 3 ...
Page 21: ...9 6 System Memory Map ...
Page 24: ...8 Diagnosis Procedure Basic Procedures 11 ...
Page 41: ...Example ALT F brings up the File menu Input screen Order of test flow selection 16 5 ...
Page 43: ...14 Wiring Connection Diagram 17 ...
Page 47: ...16 Exploded View 1 Exploded View 1 2 19 1 ...
Page 48: ...2 Exploded View 2 2 19 2 ...
Page 64: ......
Page 65: ......
Page 66: ......
Page 67: ......
Page 68: ......
Page 69: ......
Page 70: ...CF 07LZ5ZYXM 1 Schematic Diagrams Upper Main 1 CPU 1 2 ...
Page 71: ...Upper Main 2 CPU 2 2 2 ...
Page 72: ...U s 3 pper Main 3 Resister ...
Page 73: ...U k 4 pper Main 4 Cloc ...
Page 74: ...U 5 pper Main 5 GMCH M 1 2 ...
Page 75: ...pper Main 6 GMCH M 2 2 U U 6 ...
Page 76: ...pper Main 7 ON Board Memory 7 U U ...
Page 77: ...pper Main 8 Micro DIMM 8 U U ...
Page 78: ...Upper Main 9 iCH2 M 1 2 9 ...
Page 79: ...Upper Main 10 iCH2 M 2 2 10 U U ...
Page 80: ...pper Main 11 Terminator 11 U U ...
Page 81: ...U Upper Main 12 HDD 12 ...
Page 82: ...Upper Main 13 BIOS 13 U U ...
Page 83: ...Upper Main 14 PCMCIA Controller 14 ...
Page 84: ...pper Main 15 Slot 1 WLSD Connector 15 U U ...
Page 85: ...pper Main 16 LED Connector 16 U ...
Page 86: ...Upper Main 17 Base Connector 17 ...
Page 87: ...Upper Main 18 VCPUCORE VC25 18 ...
Page 88: ...pper Main 19 Power Circuit 19 U U ...
Page 89: ...Upper Main 20 Modem Controller 20 ...
Page 90: ...pper Main 21 Line Codec 21 U U ...
Page 91: ...Lower Main 1 Connector 22 L L ...
Page 92: ...ower Main 2 Super I O 23 L ...
Page 93: ...Lower Main 3 COM Connector 24 L L ...
Page 94: ...Lower Main 4 Wireless Connector 25 L L ...
Page 95: ...Lower Main 5 KBC 26 L L ...
Page 96: ...Lower Main 6 Q AW for Doc 27 L L ...
Page 97: ...Lower Main 7 Doc Connector 28 ...
Page 98: ...Lower Main 8 EC 29 ...
Page 99: ...L LLower Main 9 Reset 30 ...
Page 100: ...L Lower Main 10 DC IN 31 ...
Page 101: ...L Lower Main 11 VD3 VD5 32 ...
Page 102: ...L Lower Main 12 Power Circuit2 33 ...
Page 103: ...L Lower Main 13 BATT SW 34 ...
Page 104: ...Lower Main 14 RF DC DC 35 ...
Page 105: ...Lower Main 15 Charger 36 ...
Page 106: ...Lower Main 16 Doc Power 37 ...
Page 107: ...Lower Main 17 VD18 38 ...
Page 108: ...Serial Connector 39 S S ...
Page 109: ...D U Sub Connector 40 D DDD ...
Page 110: ...D U Docking Connector 41 D DD ...
Page 111: ...D U Sub Connector 42 D D ...
Page 112: ...43 ...
Page 113: ...44 ...
Page 114: ...45 ...
Page 115: ...W W 46 ...
Page 116: ...Wireless 5 RF IF Mixer 1st Lo 47 ...
Page 117: ...48 ...