Hardware Maintenance Manual
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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
Hardware Maintenance Manual
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Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. About this manual This manual contains service and reference information for trained service personnel who...
Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. About this manual This manual contains service and reference information for trained service personnel who...
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panels Step 1 MT Screw (quantity) 2628-Fxx, Pxx, Rxx, 3xx M2 × 5.7 mm, nylon-coated (4) 2628-Exx, Gxx, M2 × 5.7 mm, Xxx, Txx and nylon-coated (4) 2633-Gxx, Txx, 4xx 2628-Sxx and 2629 M2 × 5.1 mm, nylon-coated (4) (continued) Torque 0.245 Nm (2.5 kgfcm) 0.167 Nm (1.7 kgfcm) 0.196 Nm (2.0 kgfcm) ThinkPad A20m/p, A21m/p and A22m/p 103 and 15.0-in . Removing and replacing a FRU 14.1-in .
panels Step 1 MT Screw (quantity) 2628-Fxx, Pxx, Rxx, 3xx M2 × 5.7 mm, nylon-coated (4) 2628-Exx, Gxx, M2 × 5.7 mm, Xxx, Txx and nylon-coated (4) 2633-Gxx, Txx, 4xx 2628-Sxx and 2629 M2 × 5.1 mm, nylon-coated (4) (continued) Torque 0.245 Nm (2.5 kgfcm) 0.167 Nm (1.7 kgfcm) 0.196 Nm (2.0 kgfcm) ThinkPad A20m/p, A21m/p and A22m/p 103 and 15.0-in . Removing and replacing a FRU 14.1-in .
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... 14.1-in . Video memory, 16 MB) 2629-61x except 61J, 61K 2629-62x except 62J, 62K CM 700G DVDROM Modem...DVD- Modem 750G ROM 2629-6AJ, 6AK, 6CJ, 6CK Ethernet 2629-6Ux, 6Vx Combo (Intel) 2629-6Zx - - Modem... ROM 2633-41x except 41J, 41K 42x except 42J, 42K CDROM Modem 2633-41J, 41K, 42J, 42K Ethernet 2633-43x, 45x - 2633-4Sx, 4Tx Combo (Intel) 2633-4Wx, 4Xx Combo (3Com) A20p (Memory, 128 MB; SXGA+ 2629...-61J, 61K, 62J, 62K Ehternet 2629-6Sx, 6Tx Combo (Intel) 2629-6Ox - - 2629-6Ax except 6AJ, 6AK 2629-6Cx...
... 14.1-in . Video memory, 16 MB) 2629-61x except 61J, 61K 2629-62x except 62J, 62K CM 700G DVDROM Modem...DVD- Modem 750G ROM 2629-6AJ, 6AK, 6CJ, 6CK Ethernet 2629-6Ux, 6Vx Combo (Intel) 2629-6Zx - - Modem... ROM 2633-41x except 41J, 41K 42x except 42J, 42K CDROM Modem 2633-41J, 41K, 42J, 42K Ethernet 2633-43x, 45x - 2633-4Sx, 4Tx Combo (Intel) 2633-4Wx, 4Xx Combo (3Com) A20p (Memory, 128 MB; SXGA+ 2629...-61J, 61K, 62J, 62K Ehternet 2629-6Sx, 6Tx Combo (Intel) 2629-6Ox - - 2629-6Ax except 6AJ, 6AK 2629-6Cx...
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... CPU Bay Mini PCI LCD device adapter HDD A22p (Memory, 128 MB; Video memory, 16 MB) 2629-Y1x except Y1J 2629-Y2x except Y2J CM CD-R/W Modem 15.0-in. 32 GB 900G UXGA 2629-Y1J, Y2J Ethernet 2629-YSx, YTx 2629-YUx, YVx DVDROM Combo (Intel) 2629-U1x except U1J 2629-U2x except U2J CM CD-R/W Modem 1KG...; Pentium® III processor at x GHz featuring Intel® SpeedStep™ technology Celxxx: Intel® Celeron® processor xxx MHz, L2 256-KB cache 122 ThinkPad A20m/p, A21m/p, A22m/p
... CPU Bay Mini PCI LCD device adapter HDD A22p (Memory, 128 MB; Video memory, 16 MB) 2629-Y1x except Y1J 2629-Y2x except Y2J CM CD-R/W Modem 15.0-in. 32 GB 900G UXGA 2629-Y1J, Y2J Ethernet 2629-YSx, YTx 2629-YUx, YVx DVDROM Combo (Intel) 2629-U1x except U1J 2629-U2x except U2J CM CD-R/W Modem 1KG...; Pentium® III processor at x GHz featuring Intel® SpeedStep™ technology Celxxx: Intel® Celeron® processor xxx MHz, L2 256-KB cache 122 ThinkPad A20m/p, A21m/p, A22m/p
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... LCD models 2628-3xx, Fxx, Jxx, Pxx, Rxx, Sxx 2629-6xx, Hxx, Uxx, Yxx P/N 04P3970 04P3972 04P3971 04P3970 04P3972 04P3490 04P3971 08K0863 08K7301 08K7302 02K5007 02K5644 (continued) 124 ThinkPad A20m/p, A21m/p, A22m/p FRU a See "Miscellaneous parts" on page...heatpipe models 2628-Qxx, Txx, Xxx, 2633-Txx 15.0-in . v The FRUs marked with heatpipe models 2629-Hxx Hinge cover (for A21m/A21p) 12.1/14.1-in . LCD with OP are also available as optional FRUs... 4xx, Bxx, 2633-all Hinge cover (for A22m/A22p) 12.1/14.1-in . v The FRUs marked with heatpipe models 2628-Gxx, 2633-Gxx 15.0-in .
... LCD models 2628-3xx, Fxx, Jxx, Pxx, Rxx, Sxx 2629-6xx, Hxx, Uxx, Yxx P/N 04P3970 04P3972 04P3971 04P3970 04P3972 04P3490 04P3971 08K0863 08K7301 08K7302 02K5007 02K5644 (continued) 124 ThinkPad A20m/p, A21m/p, A22m/p FRU a See "Miscellaneous parts" on page...heatpipe models 2628-Qxx, Txx, Xxx, 2633-Txx 15.0-in . v The FRUs marked with heatpipe models 2629-Hxx Hinge cover (for A21m/A21p) 12.1/14.1-in . LCD with OP are also available as optional FRUs... 4xx, Bxx, 2633-all Hinge cover (for A22m/A22p) 12.1/14.1-in . v The FRUs marked with heatpipe models 2628-Gxx, 2633-Gxx 15.0-in .
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..., Gxx, Hxx, Uxx, Yxx 2633-Gxx, Txx 08K7287 6 Spacer, PC card slots 2629-6xx, Hxx, Uxx, Yxx 04P3223 7 Sub card for A20m, A20p 10L1418 for A21m, A22m except 2628-Sxx 08K3306 for 2628-Sxx, A21p, A22p 08K3261 8 PC card slots (2 slots) all models except 2628-Cxx, Jxx 04P3523 PC card... slot (1 slot) 2628-Cxx, Jxx 04P3398 9 Fan assembly 2628-1xx, 2xx, 47x, 48x, Bxx 2628-3xx except 3JC, 3KC 08K5650 2628-4xx except 47x, 48x 2628-3JC, 3KC 2633-4xx 2629-6xx 08K6614 (continued) ThinkPad A20m...
..., Gxx, Hxx, Uxx, Yxx 2633-Gxx, Txx 08K7287 6 Spacer, PC card slots 2629-6xx, Hxx, Uxx, Yxx 04P3223 7 Sub card for A20m, A20p 10L1418 for A21m, A22m except 2628-Sxx 08K3306 for 2628-Sxx, A21p, A22p 08K3261 8 PC card slots (2 slots) all models except 2628-Cxx, Jxx 04P3523 PC card... slot (1 slot) 2628-Cxx, Jxx 04P3398 9 Fan assembly 2628-1xx, 2xx, 47x, 48x, Bxx 2628-3xx except 3JC, 3KC 08K5650 2628-4xx except 47x, 48x 2628-3JC, 3KC 2633-4xx 2629-6xx 08K6614 (continued) ThinkPad A20m...
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...2628-Fxx, Gxx, Sxx, Txx, Xxx 2633-Gxx, Txx 08K3259 TV card (in/out) 2629-6xx, Hxx, Uxx 10L1419 11 Backup battery 02K6572 12 Mini PCI adapter Mini PCI combo card... 3Tx, 4Sx, 4Tx 2628-1Ux, 1Vx, 3Ux, 3Vx, 4Ux, 4Vx 2628-xxJ, xxK 2629-6Sx, 6Tx, 6Ux, 6Vx 2629-xxJ, xxK 2633-4Sx, 4Tx 2633-xxJ, xxK 08K3125* Mini PCI combo card (Intel) for ...A22m/p OP 2628-xSx, xTx 2629-xSx, xTx 2633-xSx, xTx 06P3809* Mini PCI combo card (3Com) for A20m,...OP 2628-all except xxJ, xxK 2629-all except xxJ, xxK 2633-all except xxJ, xxK 22P6753* 19K5888* (continued) 126...
...2628-Fxx, Gxx, Sxx, Txx, Xxx 2633-Gxx, Txx 08K3259 TV card (in/out) 2629-6xx, Hxx, Uxx 10L1419 11 Backup battery 02K6572 12 Mini PCI adapter Mini PCI combo card... 3Tx, 4Sx, 4Tx 2628-1Ux, 1Vx, 3Ux, 3Vx, 4Ux, 4Vx 2628-xxJ, xxK 2629-6Sx, 6Tx, 6Ux, 6Vx 2629-xxJ, xxK 2633-4Sx, 4Tx 2633-xxJ, xxK 08K3125* Mini PCI combo card (Intel) for ...A22m/p OP 2628-xSx, xTx 2629-xSx, xTx 2633-xSx, xTx 06P3809* Mini PCI combo card (3Com) for A20m,...OP 2628-all except xxJ, xxK 2629-all except xxJ, xxK 2633-all except xxJ, xxK 22P6753* 19K5888* (continued) 126...
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..., QxK, RxK, SxK 26P9529 2628-PxT, QxT, RxT, SxT 26P9529 2633-Txx except TxK, TxT 26P9525 2633-TxK 26P9531 2633-TxT 26P9528 Base cover for A22p 2629-Uxx except UxK, UxT 26P9524 2629-UxK 26P9530 2629-UxT 26P9527 (continued) 128 ThinkPad A20m/p, A21m/p, A22m/p Parts list No.
..., QxK, RxK, SxK 26P9529 2628-PxT, QxT, RxT, SxT 26P9529 2633-Txx except TxK, TxT 26P9525 2633-TxK 26P9531 2633-TxT 26P9528 Base cover for A22p 2629-Uxx except UxK, UxT 26P9524 2629-UxK 26P9530 2629-UxT 26P9527 (continued) 128 ThinkPad A20m/p, A21m/p, A22m/p Parts list No.
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..., 4Lx 2628-47G, 48G, 4DC, 4EC, 4FC, 4GC, 4HC, 4IC 2628-xSx, xTx, xWx, xXx, x1J, x1K, x2J, x2K 2629-x1x, x2x, x4x except xxJ, xxK 2629-xAx, xCx except xxJ, xxK 2629-USx, UTx, U1J, U1K, U2J, U2K 2633-x1x, x2x, x4x except xxJ, xxK 2633-xSx, xTx, xWx, xXx, x1J, x1K..., Dxx, Fxx, Jxx 2628-Pxx, Qxx, RAx 2633-4xx DVD-ROM drive (MKE) OP 2628-4Ax, 4Cx, 4Ux, 4Vx, 3JC, 3KC 2628-6xx except 6ZU 2629-6xx except 60U DVD-ROM drive (TOSHIBA) OP 2628-4Ax, 4Cx, 4Ux, 4Vx, 3JC, 3KC 2628-6xx except 6ZU...
..., 4Lx 2628-47G, 48G, 4DC, 4EC, 4FC, 4GC, 4HC, 4IC 2628-xSx, xTx, xWx, xXx, x1J, x1K, x2J, x2K 2629-x1x, x2x, x4x except xxJ, xxK 2629-xAx, xCx except xxJ, xxK 2629-USx, UTx, U1J, U1K, U2J, U2K 2633-x1x, x2x, x4x except xxJ, xxK 2633-xSx, xTx, xWx, xXx, x1J, x1K..., Dxx, Fxx, Jxx 2628-Pxx, Qxx, RAx 2633-4xx DVD-ROM drive (MKE) OP 2628-4Ax, 4Cx, 4Ux, 4Vx, 3JC, 3KC 2628-6xx except 6ZU 2629-6xx except 60U DVD-ROM drive (TOSHIBA) OP 2628-4Ax, 4Cx, 4Ux, 4Vx, 3JC, 3KC 2628-6xx except 6ZU...
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...-CxJ, JxJ Battery pack (9 cell) Panasonic Li-Ion OP 2629-6xx 2629-Hxx except HxJ 2629-Uxx except UxE, UxJ SANYO Li-Ion OP 2629-6xx 2629-Hxx except HxJ 2629-Uxx except UxE, UxJ Panasonic Li-Ion (ECO) 2629-HxJ, UxE, UxJ SANYO Li-Ion (ECO) 2629-HxJ, UxE, UxJ 18 Cover, DIMM slot 19 Hard-disk... OP 2628-3xx except 30U, 3JC, 3KC, 3ZU 2628-4xx except 40U, 4ZU 2633-4xx Hard-disk drive (18.0 GB), STD OP 2628-3JC, 3KC 2629-6xx except 60U Parts list P/N 02K6770* 02K6720* 02K6864* 02K6615* 02K6619* 02K6860* 02K6862* 08K7295 05K9227 05K9228 08K9508 08K9531 05K9229 05K9230 27L4073 (continued...
...-CxJ, JxJ Battery pack (9 cell) Panasonic Li-Ion OP 2629-6xx 2629-Hxx except HxJ 2629-Uxx except UxE, UxJ SANYO Li-Ion OP 2629-6xx 2629-Hxx except HxJ 2629-Uxx except UxE, UxJ Panasonic Li-Ion (ECO) 2629-HxJ, UxE, UxJ SANYO Li-Ion (ECO) 2629-HxJ, UxE, UxJ 18 Cover, DIMM slot 19 Hard-disk... OP 2628-3xx except 30U, 3JC, 3KC, 3ZU 2628-4xx except 40U, 4ZU 2633-4xx Hard-disk drive (18.0 GB), STD OP 2628-3JC, 3KC 2629-6xx except 60U Parts list P/N 02K6770* 02K6720* 02K6864* 02K6615* 02K6619* 02K6860* 02K6862* 08K7295 05K9227 05K9228 08K9508 08K9531 05K9229 05K9230 27L4073 (continued...
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...8 MB 2628-3xx except 3JC, 3KC 08K3315 Video memory 8 MB 2628-4xx, 3JC, 3KC, 2633-4xx 08K3316 Video memory 16 MB 2629-6xx 08K3317 System board for 15.0-in . FRU P/N 19 Hard-disk drive (18.0 GB), STD OP 2628-3JC, 3KC... except 60U 27L4073 Hard-disk drive (20.0 GB), STD OP 2628-Qxx, Rxx, Sxx, Xxx, T7x, T8x, TUx, TVx 2629-6Ax, 6Cx, 6Ux, 6Vx 27L4075 Hard-disk drive (20.0 GB), STD OP 2628-Fxx, Gxx, Jxx 2633-Gxx 27L3427 Hard-disk ... 4 MB 2628-Cxx, Jxx 08K3262 Video memory 4 MB 2628-Dxx, Exx 08K3263 Video memory 4 MB 2628-Jxx 26P7975 (continued) 132 ThinkPad A20m/p, A21m/p, A22m/p
...8 MB 2628-3xx except 3JC, 3KC 08K3315 Video memory 8 MB 2628-4xx, 3JC, 3KC, 2633-4xx 08K3316 Video memory 16 MB 2629-6xx 08K3317 System board for 15.0-in . FRU P/N 19 Hard-disk drive (18.0 GB), STD OP 2628-3JC, 3KC... except 60U 27L4073 Hard-disk drive (20.0 GB), STD OP 2628-Qxx, Rxx, Sxx, Xxx, T7x, T8x, TUx, TVx 2629-6Ax, 6Cx, 6Ux, 6Vx 27L4075 Hard-disk drive (20.0 GB), STD OP 2628-Fxx, Gxx, Jxx 2633-Gxx 27L3427 Hard-disk ... 4 MB 2628-Cxx, Jxx 08K3262 Video memory 4 MB 2628-Dxx, Exx 08K3263 Video memory 4 MB 2628-Jxx 26P7975 (continued) 132 ThinkPad A20m/p, A21m/p, A22m/p
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... for A21 Video memory 8 MB 2628-Gxx, Fxx, 2633-Gxx Video memory 16 MB 2629-Hxx System board for A22 without Video memory 2628-Sxx Video memory 4 MB 2628-Qxx ...memory 4 MB 2628-Pxx, Rxx, Xxx Video memory 8 MB 2628-Txx, 2633-Txx Video memory 16 MB 2629-Uxx, Yxx 22 64-MB SDRAM SO DIMM (PC100) OP 2628-1xx except 10U, 1ZU 2628-2xx except 20U...2629-6xx except 60U, 6ZU 2629-Hxx, Uxx 2633-Txx 23 Thermal rubbers 2628-Pxx, Qxx, Rxx 2629-Uxx 2633-Txx 2628-Sxx, Txx 2629-Uxx 2633-Txx Parts list P/N 08K3264 08K3265 26P8104 26P8105 26P8106 26P8102 26P8103 20L0264* 20L0265* 08K7157 26P9337 (continued) ThinkPad...
... for A21 Video memory 8 MB 2628-Gxx, Fxx, 2633-Gxx Video memory 16 MB 2629-Hxx System board for A22 without Video memory 2628-Sxx Video memory 4 MB 2628-Qxx ...memory 4 MB 2628-Pxx, Rxx, Xxx Video memory 8 MB 2628-Txx, 2633-Txx Video memory 16 MB 2629-Uxx, Yxx 22 64-MB SDRAM SO DIMM (PC100) OP 2628-1xx except 10U, 1ZU 2628-2xx except 20U...2629-6xx except 60U, 6ZU 2629-Hxx, Uxx 2633-Txx 23 Thermal rubbers 2628-Pxx, Qxx, Rxx 2629-Uxx 2633-Txx 2628-Sxx, Txx 2629-Uxx 2633-Txx Parts list P/N 08K3264 08K3265 26P8104 26P8105 26P8106 26P8102 26P8103 20L0264* 20L0265* 08K7157 26P9337 (continued) ThinkPad...
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...with SpeedStep technology 2628-4xx except 47x, 48x, 4Dx, 4Ex, 4Fx, 4Gx 2628-3JC, 3KC, 4Lx 2629-6xx 2633-4xx 10L1417 CPU, Pentium III 750 MHz with SpeedStep technology 2628-Fxx 2629-6Ax, 6Cx, 6Ux, 6Vx, 6ZU 08K3191 CPU, Pentium III 800 MHz with SpeedStep technology 2628-Gxx, Pxx..., Pentium III 900 MHz with SpeedStep technology 2628-Sxx 26P8126 CPU, Pentium III 900 MHz with SpeedStep technology 2629-Yxx 08K3346 CPU, Pentium III 1 GHz with SpeedStep technology 2628-Txx 2629-Uxx 2633-Txx 08K3392 25 Upper shield assembly, front 08K7286 26 Diskette drive (TEAC) 05K9157 Diskette drive (...
...with SpeedStep technology 2628-4xx except 47x, 48x, 4Dx, 4Ex, 4Fx, 4Gx 2628-3JC, 3KC, 4Lx 2629-6xx 2633-4xx 10L1417 CPU, Pentium III 750 MHz with SpeedStep technology 2628-Fxx 2629-6Ax, 6Cx, 6Ux, 6Vx, 6ZU 08K3191 CPU, Pentium III 800 MHz with SpeedStep technology 2628-Gxx, Pxx..., Pentium III 900 MHz with SpeedStep technology 2628-Sxx 26P8126 CPU, Pentium III 900 MHz with SpeedStep technology 2629-Yxx 08K3346 CPU, Pentium III 1 GHz with SpeedStep technology 2628-Txx 2629-Uxx 2633-Txx 08K3392 25 Upper shield assembly, front 08K7286 26 Diskette drive (TEAC) 05K9157 Diskette drive (...
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... 08K7304 32 Fan duct for A22 2628-Sxx, Txx, 2629-Uxx, 2633-Txx 26P9208 33 RJ45/11 connector assembly for A22m/A22p 2628-Cxx, Jxx, Pxx, Qxx, Rxx, Sxx, Txx 2629-Uxx 2633-Txx 27L0601 29 Keyboard* (see "Recovery CDs" on page 141.) ThinkPad A20m/p, A21m/p and A22m/p 135 Parts list No.... FRU P/N 27 Spacer, diskette drive for 2629 04P3225 28a Microphone/speaker cable for A20m...
... 08K7304 32 Fan duct for A22 2628-Sxx, Txx, 2629-Uxx, 2633-Txx 26P9208 33 RJ45/11 connector assembly for A22m/A22p 2628-Cxx, Jxx, Pxx, Qxx, Rxx, Sxx, Txx 2629-Uxx 2633-Txx 27L0601 29 Keyboard* (see "Recovery CDs" on page 141.) ThinkPad A20m/p, A21m/p and A22m/p 135 Parts list No.... FRU P/N 27 Spacer, diskette drive for 2629 04P3225 28a Microphone/speaker cable for A20m...
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... (with heatpipe LM) 2628-SxK (with heatpipe LM) 2629-6xx except 6xK 2629-6xK LCD cable 15.0 SXGA+ (for 2629-6xx) LCD cable 15.0 SXGA+ 2628-Sxx 2629-6xx LCD panel 15.0 SXGA+ (DBU) 2628-Sxx 2629-6xx Hinges 15.0 2628-Fxx, Jxx, Sxx 2629-6xx Inverter card (slim) (for MT2629-Hxx, Uxx,... Yxx. UXGA TFT Following FRUs are available for 2629-Hxx, Uxx) P/N 26P9532 26P9533 27L0664 05K9835 05K9693 04P3488 12P3053 ThinkPad A20m/p, A21m/p and A22m/p...
... (with heatpipe LM) 2628-SxK (with heatpipe LM) 2629-6xx except 6xK 2629-6xK LCD cable 15.0 SXGA+ (for 2629-6xx) LCD cable 15.0 SXGA+ 2628-Sxx 2629-6xx LCD panel 15.0 SXGA+ (DBU) 2628-Sxx 2629-6xx Hinges 15.0 2628-Fxx, Jxx, Sxx 2629-6xx Inverter card (slim) (for MT2629-Hxx, Uxx,... Yxx. UXGA TFT Following FRUs are available for 2629-Hxx, Uxx) P/N 26P9532 26P9533 27L0664 05K9835 05K9693 04P3488 12P3053 ThinkPad A20m/p, A21m/p and A22m/p...