Panasonic Cf 52 Service Manual
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3. Test Item and Division of trouble 7-4 CPU / SYSTEM Place with possibili-ty of breakdownStanardTest itemEnhan-cingContent of standard testContent of enhancing test CPU / Main board CPU is shifted to protected mode, and Violation of the paging, Operation of the violation of a privileged instruction, and DMA, INT, TIMER, and the RT C operation are confirmed. All memory space is tested in a special memory access pattern based on R.S.T . technology. RAM Memory / Mainboard HDD / Mainboard / Cable / Connector HDD The record area frequently accessed with Microsoft Windows XP to test in about two minutes regardless of points of HDD is emphatically tested.All record area is tested. MODEM/ MainboardMODEM It is confirmed not to find abnormality in the A C97 modem controller. Wireless LAN board / Connector / MainboardWireless LANIt is confirmed not to find abnormality in the Wireless LAN modem controller. Sound *5 It is confirmed not to find ab- normalityin the wiring between the USB controller and the connector by confirming the connection of the USB equipment connected with the USB connector. It is confirmed not to find abnormality in the USB controller. USB Mainboard / Connector*1 It is confirmed not to find ab- normalityin the wiring between the controller and the connector by connecting to HUB with LAN cable. LAN It is confirmed not to find abnormality in the LAN controller. Mainboard / Connector *2 PC CardIt is confirmed not to find abnormality in the CardBus controller.Mainboard MainboardSD It is confirmed not to find abnormality in the SD controller. It is confirmed not to find abnormality in keyboard controllers keyboard inte- rface.The key is actually input, and the operation is displayed on the screen. Keyboard Mainboard / Keyboard*3 *4 *6 Touch Pad The operation is actually dis- played on the screen by ope- rating the touch pad.Whether keyboard controllers mouse interface operates normally is confir- med.Mainboard / Touch Pad DVD-ROM The drive is normally reset, and it is accessible is confirmed. Mainboard / DVD Drive / DVD Cable / DVD ConnectorIt is confirmed to be able to read media normally.
Test ItemStandard EnhancedC\fntent \ff Standard Test\n C\fntent \ff Extend TestThe place with p\fssibility \n\ffbreakd\fwn T\fuch Screen It is c\fnfirmed n\ft t\f find abn\frmality in the USB c\fnnecti\fn \ff T\fuch Screen. This test cann\ft find abn\frmality \ff T\fuch Screen. \berf\frm T\fuch Screen functi\fnality practically. Operat\fr has t\f judge \bASS/FAIL with test result.\nMain b\fard/ T\fuch Screen Bluet\f\fth It is c\fnfirmed n\ft t\f find abn\frmality in the c\fnnecti\fn \ff Main b\fard and Bluet\f\f\nth m\fdule. Bluet\f\fth cable Wireless WAN It is c\fnfirmed n\ft t\f find abn\frmality in the c\fnnecti\fn \ff Main b\fard and Wireles\ns WAN m\fdule. WWAN cable Fl\fppy It is c\fnfirmed n\ft t\f find abn\frmality in the legacy F\nD drive. This test cann\ft find abn\frmality \ff mechanical breakd\fwn. (e.g.. Head, M\ft\n\fr) FD Drive/ Main b\fard (Super I/O)/ FDD cable FDD c\fnnect\fr Vide\f It is c\fnfirmed n\ft t\f find abn\frmality in access t\f VRAM with VESA. The \bC which uses main mem\fry as VRAM may fail \nwith main mem\fry failure. Main b\fard (Chipset, Graphic C\fntr\fller)/ Mem\fry G\bS It is c\fnfirmed n\ft t\f find abn\frmality in the c\fnnecti\fn \ff Main b\fard and G\bS G\bS cable IEEE1394 It is c\fnfirmed n\ft t\f find abn\frmality in the IEEE1394 c\fntr\fller. Main b\fard (IEEE#394 C\fntr\fller) Express Card It is c\fnfirmed n\ft t\f find abn\frmality in the wiring between Chipset and Expres\ns Card.Main b\fard (Chipset)/ Express Card C\fnnect\fr Smart Card It is c\fnfirmed n\ft t\f find abn\frmality in the Smart C\nard c\fntr\fller. Main b\fard (Smart Card C\fntr\fller) Serial \b\frt *7It is c\fnfirmed n\ft t\f find abn\frmality \ff Super I/O UART functi\fn. This test cann\ft find lac\nk \ff wiring between Super I/O and Serial C\fnnect\fr. It is c\fnfirmed n\ft t\f find abn\frmality in the wiring between Super I/O and Serial\n C\fnnect\fr. This test cann\ft find fail\nure \ff cable characteristic and de\nvice pr\fblems. Main b\fard (Super I/O)/ Serial C\fnnect\fr \barallel \b\frt *8 It is c\fnfirmed n\ft t\f find abn\frmality \ff Super I/O parallel functi\fn. This test cann\ft find lac\nk \ff wiring between Super I/O and \barallel C\fnnect\fr.It is c\fnfirmed n\ft t\f find abn\frmality in the wiring between Super I/O and \barallel C\fnnect\fr. This test cann\ft find fail\nure \ff cable characteristic and de\nvice pr\fblems. Main b\fard (Super I/O)/ \barallel C\fnnect\fr *8 \blease set a Specia\nl L\f\fp Back C\fnnect\fr T\f\fl\n at parallel c\fnnect\fr f\f\nr Enhanced Test. (This C\fnnect\fr \nT\f\fls is same as the \f\nne used bef\fre.) *7 \blease set a Specia\nl L\f\fp Back C\fnnect\fr T\f\fl\n at serial c\fnnect\fr f\fr E\nnhanced Test. (This C\fnnect\fr \nT\f\fl is same as the \fne\n used bef\fre.) *1 \blease c\fnnect the USB device \nwith the p\frt (USB c\fnnect\fr) whi\nch wants t\f test bef\fre th\ne tests. \blease c\fnnect LAN p\frt wit\nh LAN HUB with LAN cable bef\fr\ne the tests. The \fperat\fr actually inp\nuts the key, and the \fperat\fr judges\n \bASS/FAIL \ff the test. The \fperat\fr actually \fp\nerates the m\fuse, and t\nhe \fperat\fr judges \bASS/FAIL \ff the test. It is n\ft abn\frmal th\fugh \nthe s\fund is emitted fr\fm\n the speaker while testing.\n \blease set DVD/CD med\nia in the drive bef\fre the te\nsts. *2 *3 *4 When the test result is \n\bASS, tr\fuble is th\fught by n\ft\n hearing \ff the s\fund under\n the test fr\fm the speaker and the headp\nh\fne by the wiring \ff the audi\f\n \futput system. *5 *6 7-5
8 Wiring Connection Diagram 8-1 CN4300 CN22 CN9000 CN6503 CN27 CN4400 JK3004 JK3003 Microphone Headphone SERIAL PCB SW LED MDC PCB MAIN PCB BT PCB SD PCB SD CN3401 SC RELAY PCB BIOS PCB TOUCH PAD PCB PWR BATT LED PCB AUDIO PCB WWAN PCB CN23 CN4100CN4101 CN4000 CN4200CN4203 CN4202 SPEAKER (R) SPEAKER (L) Connector by Cable Direct connection by Connectors Parts on Bottom Side CN34 CN7002 LITHIUM BATTERYCN4 CN33DVD DRIVE CN18 FA N CN36MODEM CN4001 SERIAL PORT CN4201 CN28 EXTERNAL DISPLAY CN5 CN35 CN30 CN29 USB USB LCD INVERTER JK1000DC-IN CN16USB CN15USB CN9IEEE1394 CN19 CN7 CN5000 CN10 EX/PC CARD EJECTOR KBD FPC KEYBOARD DIMM MEMORY CARD CN2 CN3 CN31 EXPANTION BUS HDD CN21 CN1000 BATT FPC CN13 WIRELESS LAN MODULE JK7002 JK7004 CN14 PA D CN25 JK7001JK7003 ANTENNA PWB R ANTENNA PWB L CN3000
9-1 9 Disassembly/Reassembly Note:Power off the computer. Do not shut down to the Suspend or hibernation mode. Do not add peripherals while the computer is in the Su spend or hibernation mode; abnormal operation may result. 9.1. Disassembly Instructions 9.1.1. Disassembly Flowchart The chart below shows the various parts which should be removed in order to remove the parts that are to be replaced. Parts can be replaced efficiently be following the disassembly steps in the chart. 9.1.3.1. Battery Pack9.1.3.2. HDD Mounting Kit9.1.3.3. DVD Multi Drive 9.1.4. HDD 9.1.5. Tilt Panel Assy9.1.6. DIMM Memory Card9.1.7. ROBSON Cover, Wireless LAN Module and BIOS PCB 9.1.8. Display Unit9.1.9. LCD Unit, Inverter Assy, and ANTENNA PWB L, R9.1.10. Handle Assy 9.1.12. SW LED MDC PCB, Speaker L and R9.1.13. Keyboard 9.1.14. Top Cover 9.1.15. Pad and TOUCH PAD PCB9.1.16. SD PCB9.1.17. WWAN PCB 9.1.18. AUDIO PCB9.1.19. PWR BATTERYLED PCB9.1.20. KBD Earth Plate 9.1.21. Hinge Support R9.1.22. Fan Assy 9.1.23. Hinge support Land MP Hold Plate9.1.24. Battery Connector Assy9.1.25. SC RELAY PCBand HDD Hold Plate9.1.26. Heat Sink Assy 9.1.27. SERIAL PCB9.1.28. MAIN HIGH PCB Ý Ý Ý Ý Ý 9.1.11. Modem Ý Ý Ý Ý ÝÝÝ Ý Ý Ý ÝÝ Ý Ý Ý Ý Ý
9-2 9.1.2. Preparation Before disassembling, be sure to make the following prepara- tions.• Shut down Windows and turn off the power. • Disconnect the AC adaptor. • Remove the optional DIMM memory card and PCMCIA card if they are connected. • Remove other devices if they are connected. Attention: • Please execute writing BIOS ID when you exchange the Main Board. • You cannot reuse the Conductive Clothes and the heat dissi- pating parts such as Sheet and Rubber. Use new parts. 9.1.3. Removing the Battery Pack, HDD Mounting Kit and DVD Multi Drive 9.1.3.1. Battery Pack 1. Remove the Cover Battery. 2. Pull out the Battery Pack with sliding the Battery Latch Knob. 9.1.3.2. HDD Mounting Kit 1. Pull out the HDD Mounting Kit with sliding the Lock Knob (HDD). 9.1.3.3. DVD Multi Drive 1. Pull out the DVD Multi Drive with pushing the MP Latch. 9.1.4. Removing the HDD 1. Remove the six Hooks, and remove the HDD Case Upper, HDD case and HDD Insulation Sheet. 2. Remove the HDD from the HDD Dumper. 3. Disconnect the HDD FPC Ass’y from the HDD. Cover battery Battery pack MP latch DVD multi drive HDD mounting kit Battery latch knob Lock knob (HDD) HDD FPC assy HDD case upper Hook Hook HDD Hook HDD insulation sheet HDD case HDD damper
9-3 9.1.5. Removing the Tilt Panl Ass’y 1. Turn the Cover down and pull the Tilt Panel in the direc-tion of arrows. 2. Remove the five Screws , and remove the Tilt Panel Ass’y. Screws : DRSB2+4FKLT 9.1.6. Removing the DIMM Memory Card 1. Remove the Screw , and remove the DIMM Cover. 2. Open the right and left Hooks of the DIMM Memory Card outward, and remove the DIMM Memory Card. Screws : DRSB2+3FKLT 9.1.7. Removing the ROBSON Cover, Wireless LAN Module and BIOS PCB 1. Remove the Screw , and remove the ROBSON Cover. Cover Tilt panel Tilt panel Tilt panel assy DIMM cover DIMM memory card Hook DIMM memory connector Wireless LAN module Cables (Gray and blue) ROBSON cover BIOS PCB
9-4 9.1.7.1. Wireless LAN Module 1. Remove the two Screws and two Cables(Gray andBlue). 2. Pull out the Wireless LAN Module in the direction of arrows. 9.1.7.2. BIOS PCB 1. Remove the two Screws , and remove the BIOSPCB. Screws : DFHE5122YA Screws : DRHM0065ZA 9.1.8. Removing the Display unit 1. Remove the six Screws , and turn over the SW LED MDC PCB. 2. Disconnect the two Cables from the Connectors (CN5 and CN35). 3. Remove the Speaker Holder L and four Cables (black, white, blue and grey). Remove the two Screws , and BIOS HIGH PCB. 4. Remove the four Screws , and remove the Display unit. Screws : DFHE5122YA Screws : DRHM0093ZA SW LED MDC PCB Cables CN5 CN35 Cable (black) Cable (white) BIOS HIGH PCB Speaker holder Display unit
9-5 9.1.9. Removing the LCD unit, InverterAss’y and ANTENNA PWB L,R 1. Remove the two LCD Rubbers and five LCD Sheets. 2. Remove the five Screws and two Screws . 3. Release the twenty-one Hooks fixing the LCD Front to the LCD unit, remove the LCD Front. 4. Remove the Screw and Tape, and remove the LCD unit. 5. Disconnect the two Cables, and remove the Inverter Ass’y. 6. Remove the eleven Tapes and two Screws , and remove the ANTENNA PWB L, R. Screws : DFHE5122YA Screws : DRHM0093ZA Screws : DXSB2+4FNLT Screws : XQN17+BJ6FJ 9.1.10. Removing the Handle Assy 1. Remove the two Handle Sheets and two Screws , remove the Handle Ass’y. 2. Remove the two Screws , and disassemble the Handle Ass’y (Grip Upper, Grip Lower, Handle Base L, Handle Base R, Handle Ring and Handle Pom) . Screws : DRSB3+8FKLT Screws : DRYN4+J12KLT LCD rubber LCD rubber LCD screw sheet LCD screw sheet LCD screw sheet Hooks Hooks Hooks Hooks Hooks LCD front Hooks Cable Inverter assy Cable Tape LCD rear cover ANTENNA PWB R LCD unit ANTENNA PWB L Grip upper Handle ring Handle ring Handle pom Handle pom Handle ring Grip lower Handle base L Handle base R Handle ring Handle sheet Handle sheet
9-6 9.1.11. Removing the Modem 1. Disconnect the Cable from the Connecor(CN4200). 2. Remove the two Screws , and remove the Modem. 3. Remove the Tape1, Conductive tape-modem and Tape2,disconnect the Cable from Modem Screws : DFHE5122YA 9.1.12. Removing th e SW LED MDC PCB and Speakers 9.1.12.1. SW LED MDC PCB 1. Disconnect the Cables from the Connectors(CN4202 and CN4203), and remove SW LED MDC PCB. 9.1.12.2. Speaker R 1. Remove the Speaker Holder R, and remove the Speaker R 9.1.12.3. Speaker L 1. Remove the Tape, and remove the Speaker L. 9.1.13. Removing the Keyboard 1. Remove the two Tapes. 2. Lift the upper part of the Keyboard and draw it backward,and then turn the Keyboard over forward. Note: Take extreme care when peeling off the tape as it is strongly sticked. 3. Remove the four Screws , and remove the Key- board Lid Plate. 4. Disconnect the two FPC from the two Connectors (KBD FPC). 5. Remove the Keyboard. Screws : DFHE5122YA Modem CN4200 SW LED MDC PCB Cable Tape 2 Tape 1 Conductive tape-modem Cable Cable Cable CN4202 CN4203 Speaker holder R Speaker R Speaker L Tape Keyboard Tape Tape KBD FPC Connectors Key board lid plate FPC
9-7 9.1.14. Removing the Top Cover 1. Remove the Gasket. 2. Remove the Screws , , and ten Screws 3. Turn the unit to the face, remove the Screw and five Screws . 4. Remove the WP Sheet and Tape, and remove the Screw . 5. Remove the two Screw Sheets. Remove the two Screws , and remove the Cover BT. Remove the Screw and disconnect the Cable from the BT UNIT PCB, and remove it. 6. Disconnect the FFC and KBD FPC from the Connec- tors(CN23 and CN22), and lift up the Top Cover Ass’y and remove it. Screws : DFHE5122YA Screw : DRHM0093ZA Screws : DRHM5054XAT Screws : DRHM5104ZAT Screws : DXSB2+4FNLT Screws : XTB26+10GJKT 9.1.15. Removing the Pad and TOUCH PAD PCB 1. Remove the six Screws . 2. Remove the Top Relay Plate and Pad Holder. 3. Remove the Pad and TOUCH PAD PCB. Screws : DXSB2+4FNLT 9.1.16. Removing the SD PCB 1. Remove the two Screws . 2. Disconnect the FFC from the Connector(CN4300), and remove the SD PCB. Screws : DXSB2+4FNLT Gasket Screw sheet Cover BT BT UNIT PCB CN22 KBD FPC CN23 FFC WP sheet Tape Top cover assy Top relay plate Pad holder TOUCH PAD PCB Pad SD PCB FFC CN4300