Acer Travelmate 550 Service Guide

Chapter 593
JP21 FAN.PRT
JP19 PCMCIA-CONN. 154P.PRT
109. MMA9 110. MMA12
111. MMA10 112. MMA13
113. +3V 114. +3V
115. RCAS#2 116. RCAS#3
117. RCAS#6 118. RCAS#7
119. GND 120. GND
121. MD48 122. MD56
123. MD49 124. MD57
125. MD50 126. MD58
127. MD51 128. MD59
129. +3V 130. +3V
131. MD52 132. MD60
133. MD53 134. MD61
135. MD54 136. MD62
137. MD55 138. MD63
139. GND 140. GND
141. SDADIMMI 142. SCKDIMMI
143. +3V 144. +3V
PIN NOSignalPIN NOSignal
1. FAN-SENSE 2. POWER
3. GND
PIN NOSignalPIN NOSignal
A1 GND B1...

94Chapter 5
A20 S1 VS1 B20 S2 VS1
A21 S1 A11 B21 S2 A11
A22 GND B22 GND
A23 S1 10RD# B23 S2 10RD#
A24 S1 A9 B24 S2 A9
A25 S1 10WR/3 B25 S2 10WR/3
A26 S1 A8 B26 S2 A8
A27 S1 A17 B27 S2 A17
A28 GND B28 GND
A29 S1 A13 B29 S2 A13
A30 S1_A18 B30 S2_A18
A31 S1 A14 B31 S2 A14
A32. S1 A19 B32 S2 A19
A33. S1 WE# B33 S2 WE#
A34. S1 A20 B34 S2 A20
A35 S1 RDY# B35 S2 RDY#
A36 S1 A21 B36 S2 A21
A37 S1_VCC B37 S2_VCC
A38 S1_VCC B38 S2_VCC
A39 S1_VPP B39 S2_VPP
A40 S1_VPP B40 S2_VPP
A41 S1 A16 B41 S2 A16
A42 GND B42...

Chapter 595
PJP1 BATT-B.PRT
PJP2 ACIN PRT
JP18 KBD/PS2_6.PRT
JP13,JP15 USB_CON..PRT
JP17 124-MINIPCI.PRT
A66 S1 BVD1 B66 S2 BVD1
A67 S1 D0 B67 S2 D0
A68 S1 D8 B68 S2 D8
A69 S1 D1 B69 S2 D1
A70 S1 D9 B70 S2 D9
A71 S1 D2 B71 S2 D2
A72 S1 D10 B72 S2 D10
A73 GND B73 GND
A74 S1 WP B74 S2 WP
A75 S1 CD2# B75 S2 CD2#
A76 GND B76 GND
A77 GND B77 GND
PIN NOSignalPIN NOSignal
1. BATT+ 2. VBS
3. BN1/1IL# 4. TS
5. EEPROMVCC 6. BSCL
7. BQ_BATT/SMD 8 GND
PIN NOSignalPIN NOSignal
1. VIN 2. GND
3. GND 4.
PIN NOSignalPIN...

96Chapter 5
11. NC 12. NC
13. NC 14. NC
15. NC 16. NC
17. PIRQB# 18. +5VS
19. +3VS_MINIPCI 20. PIRQD#
21. NC 22. NC
23. GND 24. 3.3VAUX
25. PCLK_MDM 26. PCIRST#
27. GND 28. +3VS_MINIPCI
29. REQ#1 30. GNT#1
31. +3VS_MINIPCI 32. GND
33. AD31 34. MDMPME#
35. AD29 36. NC
37. GND 38. AD30
39. AD27 40. +3VS_MINIPCI
41. AD25 42. AD28
43. NC 44. AD26
45. C/BE# 46. AD24
47. AD23 48. IDSEL
49. GND 50. GND
51. AD21 52. AD22
53. AD19 54. AD20
55. GND 56. PAR
57. AD17 58. AD18
59. C/BE#2 60. AD16
61. IRDY# 62. GND...

Chapter 597
103. VGA_ACSYNC 104. NC
105. VGA_ACSDATAI 106. VGA_ACSDATAO
107. VGA_ACBITCLK 108. NC
109. NC 110. VGA_ACRST#
111. BEEP 112. NC
113. AGND 114. GND
115. MD_MIC 116. MD_SPK
117. AGND 118. AGND
119. AGND 120. AGND
121. MINI_RI# 122. NC
123. +5VS 124. 3.3VAUX
PIN NOSignalPIN NOSignal 

98Chapter 5 

Chapter 699
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of TravelMate α 550.  
Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
Please note that WHEN ORDERING FRU PARTS, you should check the most up-to-date information available 
on your regional web or channel. For whatever reasons a part number change is made, it will not be noted on 
the printed Service Guide.  For ACER AUTHORIZED SERVICE PROVIDERS,...

100Chapter 6
Exploded Diagram
THE SYSTEM 

Chapter 6101
LOGIC UPPER ASSY 

102Chapter 6
LCD 14.1”