Clevo D900T Service Manual

Schematic Diagrams
Audio DJ Board (71-D90T0-D05) B - 35
B.Schematic Diagrams
Audio DJ Board
VDD5_B
+5VCDROM_B
VDD5_B
VIN_ADJ
+5VCDROM_B
VIN_ADJ
+3VCDROM_B
+3VCDROM_B
+5VCDROM_B
+5VCDROM_B
VOLUM_DOWN_1
STOP_EJECT_1
CIR_RX_1
PLAY_PAUSE_1
REPEAT_1
RD_1
VOLUM_UP_1
ADJ_PWRS_1
FF_1
REPEAT_1
PLAY_PAUSE_1
LCD_DATA_1
RD_1
LCD_CS_1
CIR_RX_1
STOP_EJECT_1
FF_1
ADJ_PWRS_1
EL_ON_1
VOLUM_DOWN_1
VIN_ADJ
LCD_WR_1
VOLUM_UP_1
LCD_RD_1
EL_ON_1
LCD_WR_1
LCD_CS_1
LCD_DATA_1
LCD_CS_1
LCD_RD_1
LCD_WR_1
LCD_DATA_1
EL_ON_1
BQ2
2N7002
G
DS
BJ2
ACES-87151-24X3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
BC4
4.7U(0805)
BC1
0.1UF
BR1 100(0805)(R)
BSWEB8
HCH STS-05-A
1 3
2 4
LED1
S-3701BMRMYB-B-A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
a
b
c
d
e
f
g
DIG1
DIG2
DIG3
DIG4
DIG5
DIG6
DIG7
COM1
COM2
BSWEB7
HCH STS-05-A
1 3
2 4
T513
BR15 10K
BJ1
ACES-85202-0702(R)
1
2
3
4
5
6
7
BSWEB2
HCH STS-05-A
1 3
2 4
BR19 100K
BR7
10K
BU2
PT6961
12
11
10
9
8
7
6
5
27
26
23
25
4
28
29
3
2
22
24
1
31
13
14
15
17
18
19
20
21
32
16
30
SG3/KS3
SG2/KS2
SG1/KS1
VDD
K3
K2
K1
STB
GR4
GND
GR6
VDD
CLK
GR3
GND
DIN
DOUT
SG12/GR7
GR5
OSC
GR1
NC
SG4/KS4
SG5/KS5
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG11
GND
SG6/KS6
GR2
BH4
C237D91
BQ1
NDS352AP
G
DS
BSWEB5
HCH STS-05-A
1 3
2 4
BC5
0.1U
BC8
0.1U
BR14 0
BR17 10K
BH2
C237D91
BR11 0(0805)
BR4
10K
T403
BSWEB3
HCH STS-05-A
1 3
2 4
BC7
4.7U(0805)
C.IR
BU1
A
B
C
BR10 0
BR9 0(R)(0805)
BR2 100(0805)
BR6
10K
BR13 0
T512
BR3
100K
BR12 0
BH3
C237D91
BC2
4.7UF(0805)
BR16 10K
BSWEB6
HCH STS-05-A
1 3
2 4
BC3
0.1U
BSWEB1
HCH STS-05-A
1 3
2 4
BR5
10K
BH1
C237D91
BSWEB4
HCH STS-05-A
1 3
2 4
BC6
0.1U
BR8 51K
PNA4612MOOLB
GND_B
GND_B
GND_BGND_B
GND_B
GND_B GND_B
GND_B
GND_B
GND_B GND_B GND_B
GND_B
GND_B
GND_B
GND_B
GND_B
GND_B
40MIL
Sheet 34 of 37
Audio DJ Board

Clevo D900T Specifications

General

Brand	Clevo
Model	D900T
Category	Laptop
Language	English

Summary

Preface

Safety and Handling Instructions

Essential safety precautions and handling guidelines for the notebook.

Battery Precautions and Disposal

Guidelines for safe battery use, handling, and proper disposal methods.

Introduction

Specifications

External Locators

Identification and location of external ports and features on the notebook.

Mainboard Overview

Disassembly

Maintenance Tools and Connections

Maintenance Precautions and Cleaning

Important safety precautions, handling, and cleaning guidelines before and during maintenance.

Disassembly Steps

A step-by-step guide to disassembling various notebook components.

Component Removal Procedures

Step-by-step instructions for safely removing major notebook components.

Appendix B: Schematic Diagrams

System Block Diagram

CPU and GMCH Schematics

ICH Chipset Schematics

I/O and Communication Schematics

Audio and Power Schematics