Text preview for : Acer_AL1922.pdf part of Acer AL1922 AL 1922 LCD Monitor Service guide



Back to : Acer_AL1922.pdf | Home

Chapter 6
FRU (Field Replaceable Unit) List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of
AL1922.Refer to this chapter whenever ordering for parts to repair or for RMA (Return
Merchandise Authorization).


NOTE: Please note WHEN ORDERING FRU PARTS, that you should check the most
up-to-date information available on your regional web or channel
(http://aicsl.acer.com.tw/spl/). For whatever reasons a part number change is made, it
will not be noted in the printed Service Guide. For ACER AUTHORIZED SERVICE
PROVIDERS, your Acer office may have a DIFFERENT part number code from those
given in the FRU list of this printed Service Guide. You MUST use the local FRU list
provided by your regional Acer office to order FRU parts for repair and service of
customer machines.
NOTE: To scrap or to return the defective parts, you should follow the local government
ordinance or regulations on how to dispose it properly, or follow the rules set by your
regional Acer office on how to return it.




49
Exploded Diagram (Model: AL1922)




50
Part List
Item Picture Description Part No.
1 33L4744 GD L/33L4743
Hinge cover
GD L



2
Stand base 34L1337 GD B




3 Front cover 34L1335AGD B




4 Rear cover 34L1336AGD 2B




5 Shield 85L 666 1




Metal frame
6 15L8021 5




7 Panel 750LLS90EX1




8 Audio board AUPC780AE




51
Power board
9 PWPC1942SEA2




10 Main board CBPC980KSVAF




11 Key board KEPC980KA8




78L 332 1 L/78L 332
12
Speakers 1 R




52
Chapter 7
Schematic Diagram
1. For Samsung panel
Analog and Digital Input
CN101
26 1 RX2-IN R137 10 1/16W
A_GND T2- RX2-
2 RX2+IN R138 10 1/16W
T2+ RX2+
3
SGND 4
T4- 5
T4+ 6 R101 47 1/16W SCL_IN
DDCCLK 7 R102 47 1/16W SDA_IN
DDCDAT 8
A_VSYNC
9 RX1-IN R139 10 1/16W
T1- RX1+IN RX1-
10 R140 10 1/16W
T1+ RX1+
11
SGND 12 DVI_5V
T3- 13 R103 10K 1/16W ZD101
T3+ 14
+5V 15
GND 16 HOT_PLUG
HPD MLL5232B 5.6V
17 RX0-IN GND R141 10 1/16W
T0- RX0+IN RX0-
18 R142 10 1/16W
T0+ RX0+
19
SGND 20
T5- 21
T5+ 22
SGND 23 RXC+IN R143 10 1/16W
TC+ RXC-IN RXC+
24 R144 10 1/16W
TC- RXC-
C1
A_RED C2
A_GREEN C3
A_BLUE C4
A_HSYNC C5
A_GND




3




3




3




3




3




3




3




3
25 D106 D107 D108 D109 D110 D111 D112 D113
A_GND BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99

JACK +5V

+5V
DVI_5V +5V




2



1


2



1


2



1


2



1



2



1


2



1


2



1


2



1
GND C114 C115 C116 C117 C118 C119 C120 C121
1000pF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF 1000pF
R129
1



2




D101 10K 1/16W
BAT54C-GS08 R130 GND
DVI_HPD
DVI_HPD
1K 1/16W
ZD108
3




MLL5232B 5.6V

C101
1uF/25V

GND
R104 GND
4.7K 1/16W R105

4.7K 1/16W

U101
1 8
2 A0 VCC 7
3 A1 WP 6 SCL_IN
A2 SCL SDA_IN DDC_SCL_DVI
4 5
GND SDA DDC_SDA_DVI
M24C02WMN6
ZD102 ZD103
GND
R133 MLL5232B 5.6V MLL5232B 5.6V

R132 10K 1/16W
100 1/16W
+5V
DVI_EDID_WP
GND
R131

NC

0.1uF C123 C124
GND C122 0.1uF 0.1uF



2



1



2



1




2



1
GND
D102
VGA_5V +5V BAV99 D103 D104
BAV99 BAV99
(10 mil, )
FB102
3




3




3
0.047uF
1



2




R106 22 1/16W C103
RED+
D105 R134 ZD109 0 1/16W
0.047uF
R107 100 1/16W C104
BAT54C-GS08 RED-
10K 1/16W MLL5232B 5.6V VGA_5V
0.047uF
C105
SOG_MCSS
0.047uF
FB103 R108 22 1/16W C106
GREEN+
R110 GND CN102 0 1/16W
16
3




0.047uF
47 1/16W DB15 R109 100 1/16W C107
GREEN-
11 1 Rin
GPIO4/UART_DI
C108 R136 R112 6
0.1uF R111 4.7K 1/16W R113 47 1/16W 12 2 Gin
DDC_SDA_VGA 0.047uF
10K 1/16W 7 FB104 R114 22 1/16W C109
HS_in BLUE+
4.7K 1/16W 13 3 Bin 0 1/16W
0.047uF
GND 8 R115 100 1/16W C110
BLUE-
DDC_SDA_A VS_IN 14 4
9 GPIO5/UART_DO
R117 15 5 R116
U102 47 1/16W 10 47 1/16W R118 R119 R120
1 8 75 1/16W 75 1/16W 75 1/16W
2 A0 VCC 7 ZD111 AGND GND +5V
A1 WP
17




3 6 DDC_SCL_A
4 A2 SCL 5 MLL5232B 5.6V
GND SDA
M24C02WMN6 ZD110 R121
GND ZD104 GND 10K 1/16W AGND
DDC_SCL_VGA
ZD105 R135 MLL5232B 5.6V GND R122
4.7K 1/16W
MLL5232B 5.6V MLL5232B 5.6V 10K 1/16W VGA_CONN VGA_PLUG
VGA_PG
+3.3V
GND 75-ohm terminating resistor C113 FB101
Pins 6/7/8 are R/G/B U104A U104F 120 OHM
very close to the VGA 74LVC14ADT 74LVC14ADT 0.1uF
return lines resp. conn. VCC
R125 22 1/16W 1 2 13 12
VS
U104B GND U104E
GND (8 mil) 74LVC14ADT 74LVC14ADT

R126 22 1/16W 3 4 11 10
HS

3
ZD107 R127 R128 C111 C112
ZD106 2.2K 1/16W 2.2K 1/16W
MLL5232B 5.6V NC NC
1 2
MLL5232B 5.6V 715L-1439-C
GND Title
ANALOG&DIGITAL INPUT
GND Size Document Number Rev
C gm5321 C

Date: Friday, November 26, 2004 Sheet 1 of 4




53
GM5321
C201->C449 C202->C452 C203->C453 C204->C454 C205->C455 1.8V_CVDD
Close to respective power Pins
+1.8V
FB401
120 OHM + C452 C453 C454 C455 C406 C407 C408
C449 1.8V_AVDD
10uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
1.8V_DVI 1.8V_PLL 1.8V_CVDD 3.3V_LVDS

+3.3V
GND 1.8V_DVI FB402
120 OHM C410 C411 C412 C413 C414




190
205

116
121
126
137
164
166




139
179
C409 +




50
73
95




86

41
75
96



24
11
26
27
40
+1.8V