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TECRA A40-J Series
Maintenance Manual
Page 129 (Glossary)
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Maintenance Manual (960-945)
B-4
Board Layout
B.4 USB board (F
MERL
T*) Back V
iew
Figure B-4 USB board (FMERL
T*) layout (ba
ck)
T
able B-4 USB boa
rd (FMERL
T*) connectors (back)
Number
Name
IS2142
Micro SD I/F connector
IS2621
Nano SIM card I/F connector
IS2621
IS2142
128
130
Table of Contents
Main Page
Default Chapter
5
Table of Contents
5
Chapter 1 Hardware Overview
12
Features and System Unit Block Diagram
12
Figure 1-1 System Unit Configurations
13
Figure 1-2 System Unit Block Diagram
14
Ssd
15
Figure 1-3 Keyboard
15
Keyboard
17
Table 1-1 M.2 SSD Specifications (KIOXIA)
17
Table 1-2 M.2 SSD Specifications (Phison)
17
Display
18
Figure 1-4 LCD Module
18
Power Supply
19
Table 1-3 LCD Module Specifications
19
Batteries
20
Table 1-4 Power Supply Output Rating
20
Table 1-5 Battery Specifications
21
Table 1-6 Time Required for Charges
21
AC Adaptor
22
USB Type-C Adapter
22
Table 1-7 Data Preservation Time
22
Table 1-8 AC Adaptor Specifications
22
Table 1-9 USB Type-C Adapter Specifications
23
Chapter 2 Troubleshooting Procedures
24
Troubleshooting
24
Troubleshooting Flowchart
25
Figure 2-1 Troubleshooting Flowchart (1/2)
26
Figure 2-2 Troubleshooting Flowchart (2/2)
27
Power Supply Troubleshooting
29
Table 2-1 DC In/Battery Indicator
29
Table 2-2 Power Indicator
29
Table 2-3 Error Code
30
Figure 2-3 Connection Check
32
System Board Troubleshooting
33
USB Troubleshooting
34
Table 2-4 Main Test Menu
34
Figure 2-4 Connection Check
35
SSD Troubleshooting
36
Keyboard Troubleshooting
37
Touch Pad (Click Pad) Troubleshooting
38
Display Troubleshooting
39
Wireless LAN + Bluetooth Troubleshooting
40
LTE Troubleshooting
42
Sound Troubleshooting
43
Memory Media (SD Card) Slot Troubleshooting
45
Fingerprint Sensor Troubleshooting
46
Figure 2-5 Scan the Finger
46
Web Camera Troubleshooting
48
HDMI Port Troubleshooting
49
LAN Troubleshooting
50
Figure 2-6 Connecting the HDMI out Port
50
USB Type-C Adapter Troubleshooting
51
Chapter 3 Tests and Diagnostics
54
Test Program for Maintenance
54
How to Execute the Test Program
55
Entry of the DMI Information
57
Heatrun Test
59
Main Test Menu
59
Memory Test
61
Hard Disk (&SSD) Test
62
Keyboard Test
63
LCD Panel Test
64
Battery Charge Test
65
Fan Test
65
Log Utility
65
Wireless Module Test
66
Sound Test
68
Setup
68
Battery off Mode Setting Tool
74
Chapter 4 Replacement Procedures
77
Table 4-1 the Case for the Following Example
77
Safety Precautions
78
Before You Begin
79
Disassembly Procedure
80
Assembly Procedures
80
Figure 4-1 Pressure Plate Connector/Spring Connector/Back Flip Connector
80
Tools and Equipment
81
Screw Tightening Torque
81
Grip Color
82
Screw Notation
82
Memory Media
83
Figure 4-2 Inserting Memory Media
83
SIM Card (3G Model)
84
Figure 4-3 Installing the SIM Card
84
Cover Assembly and Base Assembly
85
Figure 4-4 Removing the Base Assembly (1)
85
Figure 4-5 Removing the Base Assembly (2)
86
Figure 4-6 Installing the Base Assembly
86
Battery Pack
87
Figure 4-7 Releasing the Battery Pack (1)
87
Figure 4-8 Releasing the Battery Pack (2)
88
Memory Module
89
Figure 4-9 Removing the Memory Module(S)
89
Ssd
90
Figure 4-10 Seating the Memory Module
90
Figure 4-11 Removing the SSD
91
Figure 4-12 Installing the SSD
91
Smart Card Slot
92
Figure 4-13 Removing the Smart Card Slot (1)
92
Figure 4-14 Removing the Smart Card Slot (2)
92
Figure 4-15 Removing the Smart Card Slot (3)
93
Figure 4-16 Installing the Smart Card Slot
93
Wireless LAN Card
94
Figure 4-17 Removing the Wireless LAN Card
94
Module
95
Figure 4-18 Installing the Wireless LAN Card
95
Figure 4-19 Removing the 3G Module
95
Fans
96
Figure 4-20 Installing the 3G Module
96
Fin
97
Figure 4-21 Removing the Fans
97
Click Pad
98
Figure 4-22 Removing the Fin
98
Figure 4-23 Removing the Click Pad (1)
99
Figure 4-24 Removing the Click Pad (2)
99
Speaker
100
Figure 4-25 Installing the Click Pad
100
Figure 4-26 Removing the Speaker (1)
100
Figure 4-27 Removing the Speaker (2)
101
Figure 4-28 Installing the Speaker
101
Antennas
102
Figure 4-29 Removing the 3G Antennas (1)
102
Figure 4-30 Removing the 3G Antennas (2)
102
System Board
103
Figure 4-31 Removing the System Board (1)
104
Figure 4-32 Removing the System Board (2)
104
Figure 4-33 Removing the System Board (3)
105
DC in Jack
107
Figure 4-34 Installing the System Board
107
USB Board
108
Figure 4-35 Removing the DC in Jack
108
Keyboard/Cover Assembly
109
Figure 4-36 Removing the USB Board
109
Figure 4-37 Removing the Keyboard/Cover Assembly
110
LCD Assembly
112
Figure 4-38 Removing the LCD Unit (1)
112
Figure 4-39 Removing the LCD Unit (2)
113
Figure 4-40 Removing the LCD Unit (3)
113
Figure 4-41 Installing the LCD Unit (1)
114
Figure 4-42 Installing the LCD Unit (2)
115
Display Hinges
116
Figure 4-43 Installing the LCD Unit (3)
116
Figure 4-44 Installing the LCD Unit (4)
116
Wireless LAN Antennas
117
Figure 4-45 Removing the Display Hinges
117
Camera Module
118
Figure 4-46 Sticking the Wireless LAN Antennas
118
Figure 4-47 Arranging the Wireless LAN Antenna Cables
118
Figure 4-48 Removing the Camera Module (1)
119
Figure 4-49 Removing the Camera Module (2)
119
Figure 4-50 Removing the Camera Module (3)
119
Figure 4-51 Installing the Camera Module (1)
120
Figure 4-52 Installing the Camera Module (2)
121
Appendix A Handling the LCD Module
122
Precautions for Handling the LCD Module
122
Board Layout
126
Appendix B Board Layout
126
System Board (FMERSY*) Front View
126
Figure B-1 System Board (FMERSY*) Layout (Front
126
Table B-1 System Board (FMERSY*) Connectors (Front
126
System Board (FMERSY*) Back View
127
Figure B-2 System Board (FMERSY*) Layout (Back
127
Table B-2 System Board (FMERSY*) Connectors (Back
127
USB Board (FMERLT*) Front View
128
Figure B-3 USB Board (FMERLT*) Layout (Front
128
Table B-3 USB Board (FMERLT*) Connectors (Front
128
USB Board (FMERLT*) Back View
129
Figure B-4 USB Board (FMERLT*) Layout (Back
129
Table B-4 USB Board (FMERLT*) Connectors (Back
129
Pin Assignments
130
SYSTEM Board (FMERSY
130
Table C-1 CN1400 Memory Connector (260-Pin
131
Table C-2 CN1410 Memory Connector (260-Pin
135
Table C-3 CN1900 M.2 SSD Interface Connector
138
Table C-4 CN2630 WLAN Interface Connector
140
Table C-5 CN3240 KB Interface Connector (30-Pin
141
Table C-6 CN3270 KB Backlight Interface Connector (8-Pin
141
Table C-7 CN3380 FAN Interface Connector (4-Pin
142
Table C-8 CN3390 FAN Interface Connector (4-Pin
142
Table C-9 CN4800 USB Type-C Interface Connector (24-Pin
142
Table C-10 CN4821 USB Type-C Interface Connector (24-Pin
143
Table C-11 CN5590 HDMI Port (19-Pin
143
Table C-12 CN5390 Lcd/Webcam Interface Connector
144
Table C-13 CN8021 Battery Connector (17-Pin
145
Table C-14 CN9510 Click Pad Interface Connector (10-Pin
145
Table C-15 CN9550 Fingerprint Sensor Interface Connector (6-Pin
145
Table C-16 CN2170 Smartcard Slot (10-Pin
146
Table C-17 CN6290 L/F Speaker Connector
146
Table C-18 CN4850 USB Type-A Interface Connector
146
Table C-19 CN8001 DC-IN Connector
146
Table C-20 CN9600 FMERLT* Interface Connector (76-Pin
147
Table C-21 CN9601 FMERLT* Interface Connector (50-Pin
148
USB Board (FMERLT
149
Table C-22 J6320 Headphone/Microphone Jack (6-Pin
149
Table C-23 CN4810 USB Type-A Interface Connector
149
Table C-24 CN2650 SAR Connector
149
Table C-25 CN2610 M.2 (3G) Interface Connector
150
Table C-26 CN9640 FMERSY* Interface Connector (76-Pin
151
Table C-27 CN9641 FMERSY* Interface Connector (50-Pin
152
Table C-28 IS2142 Micro SD Card Interface Connector (13-Pin
153
Table C-29 IS2621 SIM Card Interface Connector
153
Table C-30 J4050 LAN Jack
153
Table D-1 Scan Codes (Set 1 and Set 2
154
Appendix C Pin Assignments
155
Appendix D Keyboard Scan/Character Codes
155
Table D-2 Scan Codes with Left Shift Key
158
Table D-3 Scan Codes in Numlock Mode
159
Table D-4 Scan Codes with Fn Key
159
Table D-5 Scan Codes in Overlay Mode
159
Table D-6 No.124 Key Scan Code
160
Table D-7 No.126 Key Scan Code
160
Key Layout
161
Appendix E Key Layout
161
United Kingdom (UK) Keyboard
161
United States (US) Keyboard
161
Figure E-1 UK Keyboard
161
Figure E-2 US Keyboard
161
Japan (JP) Keyboard
162
Figure E-3 JP Keyboard
162
RGB Monitor Loopback Connector
163
Figure F-1 RGB Monitor Loopback Connector
163
LAN Loopback Connector
164
Figure F-2 LAN Loopback Connector
164
Appendix F Wiring Diagrams
165
BIOS Rewrite Procedures
165
Tools
165
Rewriting the BIOS
165
Appendix G BIOS Rewrite Procedures
167
EC/KBC Rewrite Procedures
167
Appendix H EC/KBC Rewrite Procedures
168
Reliability
168
Table I-1 MTBF
168
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