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Chapter 5
FRU (Field Replaceable Unit) List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of
AL1951.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.
39
Exploded Diagram (Model: AL1951)
40
Part List
Item Picture Description Part No.
1 33G4841 QT L
Hinge cover
33G4843 QT L
2 Bezel 34G1541AQW B
3 Back cover 34G1542 QT B
4 SHIELDING 85L6117 1
41
5 MAIN FRAME 15L6191 1
6 Panel 750LLS90EX1
7 Power board INPC1942SEA1
8 Main board CBPC980KS2AY
78G 322 3 L&
9 Speakers
78G 322 3 R
42
Chapter 6
Schematic Diagram
TSU56AK SCHEMATIC B2
B1
RIN RIN
GNDR GNDR
TXD GIN GIN
RXD GNDG GNDG
DDC_CLK SOG SOG
DDC_DAT BIN BIN
DDC_WP GNDB GNDB VCC1.8 VCC3.3 VAA1 VAA2 VAA3 VAA4
ST_DET1 HSYNC HSYNC
ST_DET2 VSYNC VSYNC
VCC1.8
R+ R+ VCC3.3
R- R-
G+ G+ VAA1
G- G-
B+ B+ VAA2
B- B-
CLK+ CLK+ VAA3
CLK- CLK-
VAA4
3.INPUT
B3
ST_DET2
ST_DET1
DDC_WP CSZ CSZ
DDC_CLK SCL SCL
DDC_DAT SDA SDA
RXD HWRESET HWRESET
TXD INT INT
AD0 AD0
AD1 AD1
VCPU AD2 AD2
AD3 AD3
VCPU
onPANEL_5V/3.3V
onBACKLITE
B5
AUDIO_SD PA[0..9]
AUDIO_MU PA[0..9] PA[0..9]
6.MCU
B6
VCC12V_AUDIO VLCD
VCPU PB[0..9]
VCC12V_AUDIO PB[0..9] PB[0..9]
VCC3.3 VCC12V_AUDIO
VCC1.8 AUDIO_MU
VAA1 AUDIO_SD
VAA2 VLCD
VAA3 VOLUME Volume
VAA4 7.AUDIO
B4
onBACKLITE 5.PANEL INTERFACE
onPanel_5V/3.3V
VCPU
VCC12V_AUDIO
VCC3.3
VCC1.8 AdjBACKLITE AdjBACKLITE
VAA1
VAA2
VAA3 VLCD
VAA4 Title
4.SCALER
VLCD TSU56AK FOR ACER
Size Document Number Rev
B TOP D
2.POWER Date: Wednesday, January 19, 2005 Sheet 2 of 8
44
CN701 VCC12V VCC5V
LP701 U701
POWER JACK SI-8050SD D702 SS14
1+12V_IN 6 3 1 4 VCC5V+
VIN FBK VCC5V+
5 2 2
GND
Vout
/ON
L701
2
4 1
L701A
FB704 600 OHM
VCPU
D703 SOT-252
+ + + +
C702 C703 C706 C707 C704 C705 C708 VCPU 7
C701 GS1D VCC1.8
5
3
INDUTOR-P U702
0.001uF 220uF/16V 220uF/16V 0.1uF/16V 0.1uF/16V 220uF/16V 220uF/16V 0.1uF/16V AZ1117D-1.8
D701 3 2
VI VO VCC1.8 5
SMB340
R702
GND
C710 C711 C709 + C712
0.1uF/16V NC
0.1uF 47uF/16V 0.1uF
1
VCC12V VCC3.3
VCC12V VCC12V_AUDIO
FB702 120 OHM
VCC3.3 5
VCC5V+
VCC12V_AUDIO 8
FB701 600 OHM C713 + C714
0.1uF/16V VCC5V
TO-263
220uF/16V U703 VAA1
AIC1084-33M
3 2
VIN VOUT VAA1 5
4
CN702 R703 FB703 120 OHM 1 VOUT
C717 ADJ C716 + C718 VAA2
6 10K 1/16W
5 0.1uF 47uF/16V 0.1uF
ON_OFF R701 VAA2 5
4 4.7K 1/16W
3 VAA3
2
3
1 C715 R704 4.7K 1/16W
VAA3 5
1
onBACKLITE 7
0.1uF Q701 VAA4
PMBS3904
CONN VCC5V
2
VAA4 5
C
B E
R705
1K 1/16W
R706
Q702 FTD7 FTD8 FTD9 FTD10
3
1K 1/16W R707 FD Mark FD Mark FD Mark FD Mark
+ C719 1
AdjBACKLITE 5
22uF/16V PMBS3904 1K 1/16W
2
C
B E MH1 MH2 MH3 MH4
Screw Hole Screw Hole Screw Hole Screw Hole
VCC5V VCC12V VCC5V VLCD
VLCD 6
1
1
1
1
VCC5V VCC3.3 VCC12V
R708 R709 R710
10K 1/16W NC 10K 1/16W MH5 MH6 MH7 MH8 MH9 MH10
R711 R712 R713 Screw Hole Screw Hole Screw Hole Screw Hole Screw Hole Screw Hole
R714 51K 1/16W Q704
AO3401 0 1/16W NC NC
3
R715 4.7K 1/16W
1 Q703
7 onPanel_5V/3.3V
C720
1
1
1
1
1
1
PMBS3904
C722 1uF/16V + C721 R716
2
100uF/16V
0.1uF 10K 1/16W
Title
TSU56AK FOR ACER
Size Document Number Rev
B POWER D
Date: Wednesday, January 19, 2005 Sheet 3 of 8
45
RXD 7
DB15
TXD 7
11 1 FB301 0 1/16W R301 100 1/16W C301 0.047uF
RIN 5
6
12 2 FB302 0 1/16W R302 100 1/16W C302 0.047uF
GIN 5
7
13 3 FB303 0 1/16W R303 100 1/16W C303 0.047uF
BIN 5
8
1/16W
1/16W
14 4 R304 470 1/16W C304 0.001uF
SOG 5
R306
R307
9 PC5V R305 C305 C306 C307
15 5
10 VGA_CON 75 1/16W NC NC NC
75
75
D311 D323 R308 100 1/16W C308 0.047uF
GNDR 5
17
16
TZMC5V6-GS08
TZMC5V6-GS08 CN301 R309 100 1/16W C309 0.047uF
GNDG 5
R310 100 1/16W C310 0.047uF
GNDB 5
3
3
3
D301 D303 D304
BAV99 BAV99 BAV99 VCC5V
VCC5V
C316 C317 C318 R311
10K 1/16W
2
1
2
1
2
1
0.1uF 0.1uF 0.1uF
R312 100 1/16W VCC5V PC5V
ST_DET1 7
2
1
HSI FB304 150 OHM R313 1K 1/16W
HSYNC 5
VSI R314 100 1/16W R315 1K 1/16W D305
VSYNC 5
BAV70
D306 D307 R316 C311 R317 C312 D308
3
TZMC5V6-GS08 TZMC5V6-GS08 TZMC5V6-GS08
2.2K 1/16W 33pF 10K 1/16W 220pF R318 R319 R339 C313
10K 1/16W U301
10K 1/16W 4.7K 1/16W 8 1 0.1uF
7 VCC A0 2
CLK_DDC R320 100 1/16W 6 WP A1 3
DAT_DDC R321 100 1/16W 5 SCL A2 4
SDA GND
VCC5V D309 M24C02WMN6
CN302 TZMC5V6-GS08 D310
TZMC5V6-GS08
7 DDC_DAT
25 R336
R 7 DDC_CLK
26
G 27 10K 1/16W VCC5V DVI5V
B 29
RGB GND
2
1
28
HSYNC 8
VSYNC 15 R325 100 1/16W
SYNC GND ST_DET2 7
6 CLK_DDC2 R322 100 1/16W DVI5V D302
DDC SCL 7 DAT_DDC2 R323 100 1/16W R324 BAV70
DDC SDA 14 10K 1/16W
+5V 16
HPD
3
11
1/3shield 3 R337 D324 D312 D313 D314 C314 R326 R327 C315
2/4shield 19 LL5232B 5.6V 5% LL5232B 5.6V 5% LL5232B 5.6V 5% LL5232B 5.6V 5% 10K 1/16W U302
0/5shield 22 NC 0.1uF 10K 1/16W 8 1 0.1uF
clk shield R340 4.7K 1/16W 7 VCC A0 2
18 R328 10 1/16W 6 WP A1 3
DAT0+ B+ 5 SCL A2
17 R329 10 1/16W 5 4
DAT0- B- 5 SDA GND
10 R330 10 1/16W
DAT1+ G+ 5
9 R331 10 1/16W M24C02WMN6
DAT1- G- 5
2 R332 10 1/16W
DAT2+ R+ 5
1 R333 10 1/16W
DAT2- R- 5
13
DAT3+ 12
DAT3- 5 R338
DAT4+ DDC_WP 7
4
DAT4- 21 NC
DAT5+ 20
DAT5- 23 R334 10 1/16W
clk+ CLK+ 5
24
clk- CLK- 5
R335 10 1/16W
31
32
3
3
3
3
3
3
3
3
JACK D315 D316 D317 D318 D319 D320 D321 D322
31
32
BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99
VCC5V C319 C320 C321 C322 C323 C324 C325 C326
Title
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2