Acer Extensa 900 Maintenance Manual
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Notebook Schematic Diagrams A-25 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 24 of 30)
A-26 Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 25 of 30)
4 4
4IRQ14IRQ15IRQ12
RSTDRV
+5V
1
2
3
4
5 67 8 9 10
RP48
SRP10K
MEMR#
MEMW#
IOR#
IOW#
+5V
4,19 4,19 4,19 1
2
3
4
5 67
8
9 10
RP36
SRP4K7
1
2
3
4 56
7
8
RP41
SRN100K
DRQ1DRQ3DRQ2DRQ1
DISROM
DRQ3
DRQ2
+5V
44
4 4,19 4,19 4,19
4,19
DRQ0DRQ5DRQ6DRQ7
MEMCS16#IOCS16#REFRESH# DRQ0
DRQ5
DRQ6
DRQ7
MEMCS16#
IOCS16#
REFRESH#
SD4
SD5
SD6
SD7
+5V
1
2
3
4
5 67 8 9
10
RP49
SRP10K
SD0
SD1
SD2
SD3
+5V
1
2
3
4
5 67
8
9
10
RP46
SRP100K
1
2
3
4
5 67
8
9 10
RP47
SRP100K SD8
SD9
SD10
SD11
LA19
LA18
LA17 SBHE#
+5V
+5V
LA22
LA21
LA20 SD12 SD13
SD14
SD15
LA23
+5V
+5V
SD3 SD4
+5V
B1 1B2 2B3 3B4 4B5 5B6 6B7 7B8 8B9 9B1010B1111B1212B1313B1414B1515B1616B1717B1818B1919B2020B2121B2222B2323B2424B2525B2626B2727B2828B2929B3030B3131B3232B3333B3434B3535B3636B3737B3838B3939B4040
A1 41A2 42A3 43A4 44A5 45A6 46A7 47A8 48A9 49A10 50A11 51A12 52A13 53A14 54A15 55A16 56A17 57A18 58A19 59A20 60A21 61A22 62A23 63A24 64A25 65A26 66A27 67A28 68A29 69A30 70A31 71A32 72A33 73A34 74A35 75A36 76A37 77A38 78A39 79A40 80
GF1
MS-DBG-GF80
SD[0..15]
+5V
DEBUG-BD GOLDEN FINGER
4
44 44
4 4
4
4
4
4 4 4
13
19
23
RSTDRVIOCHRDY#AENIOW#IOR#BALEIRQ11
LA20LA21LA22LA23
MEMR#MEMW#DISROMFLASH_ONPWRGIN
SD7 SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 PWRGIN FLASH_ON DISROM MEMW* MEMR* LA20 LA21 LA22
LA23
IRQ11 BALE IOR# IOW#
AEN IOCHRDY# RSTDRV
4
4
4 4 419 19
RTCROMCS#XSA17XSA16SBHE#LA19LA18LA17 SD0 SD1
SD2
SA0 SA1 SA2 SA3 SA4 SA5 SA6 SA7 SA8 SA9
SA10
SA11 SA12 SA13 SA14 SA15 SA16 MEMW#
MEMR#
RTCROMCS#
XSA17
XSA16
SBHE#
LA19
LA18
LA17
4
IOCHK# IOCHRDY# 12
R258
1KR3
1 2
R263
10KR3
+5V
+5V
4
4
4
4
IRQ6IRQ5IRQ4IRQ3 IRQ3
IRQ4
IRQ5
IRQ6
+5V
4 4 4 1
2
3
4
5 67
8
9
10
RP45
SRP10K
IRQ10IRQ9IRQ7IRQ11
IRQ10
IRQ7 IRQ9
+5V
4
SA[0..16] SA[0..16]SD5 SD6
Notebook Schematic Diagrams A-27
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 26 of 30)
1 2L9
MLB321611
12345 6 7 8
RP3
SRN10K
1 2
F1
SPOLY100
+5V
PS2 INTERFACE
14,21
14,21
14,2114,21
PS2DATA
PS2CLKKBCLK
KBDATA
C79
SC47P
1 2R1
47R3
1 2R2
47R3
1 2
R4
47R3
1 2
R3
47R3
12
L4
MLB321611
1 2L5
MLB321611
1 2
L7
MLB321611
12
L6
MLB321611
1 2 3 4 5 6 7
8
CN9
SD5339810-6
C78
SC47P
C77
SC47P
C76
SC47P
14TDATA
18 18
14 1
3
5
7
9
11
13 2
4
6
8
10
12
14
15 16 17 18
CN19
SD5255917-14
12345 6 7 8
RP31
SRN10K
SPK_L1
SPK_R1
TCLK
+5V
+5VTOUCHPAD CONNECTOR
SB: CHANGE CN19 PIN DEFINITION
C234
SC47P
C224
SC47P
AUD_GND
A-28 Notebook Schematic Diagrams
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 27 of 30)
1312 1
4
7
U86F
SSHC14
+5VSB 1
2R253
47KR3
AD+
+5VSB
12R252
150KR3
3
1 2Q9
RN1424
AD_IN#
ADAPTOR PLUG-IN DETECTION CIRCUIT23
AD5V AD5VC351
SCD1U
C352
SC1KP
+5VSB
+5VSB
CHARGER INTERFACE CIRCUIT
1414
1 2 3 4 5 6 7 8
CN21
MOLEX-CON8
SMB1_CLKSMB1_DATA
BAT_TH BAT_VS
BAT+
BATTERY CONNECTOR
SMB1_CLK, SMB1_DATA: CHARGER SMB I2C
1921
28
1 3 5 7 9 11 13 15 17 19
2 4 6 8101214161820
CN22
MOLEX-CONN20A
1
2R251
10KR3
CSOCSI
CHARGE_LEDCHGR_CLKCHGR_DATA
BAT_TH SMB1_CLK SMB1_DATA
BAT_VS
+5VSBBAT+BAT+
CSI, CSO:CHARGER HANDSHAKING
SIGNALS
19 21
2 1
D28
NSQ03A04-1
DCBATOUTADAPTOR/BATTERY INTERFACEAD+
1 2R242
560R3
1 2
3
D22
BAV99
DK_ADBATON BL3#
DCBATOUT
1
2
3
4 8
7
6
5U94
SI4435DY
2 1
D27
NSQ03A04-1
1
2 3
Q13
2N7002
1 2RY16
4K7R3
2 1
DY6
MBR0540T1
1
2R270
240KR3
1
2
R269
100KR3 1 3
DY1
BZX84C4V3L
BAT+
CY13
SCD1U50V3ZY
330KR3
82KR3
1 2RY23
220KR3 1
2 3
QY1
2N7002
2.2KR3
CY14
SCD1U50V3ZY
CHGR_CLK,CHGR_DATA: CHARGER SEEPROMS CLOCK & DATA
19
BL1#
+5VSB
+5V
19
1 3 5 7 9 11 13 15 17 19
2 4 6 8101214161820
CN20
MOLEX-CONN20A
BL2#
DCBATOUTDCBATOUT
AD+
CHARGER SEEPROM
ADDRESS SELECT
SHIVA:PULL LOW(ADDRESS 0)
UMA:OPEN(ADDRESS 1)
INTERNAL PULLED HIGH AT CHARGER BOARD 29
1
2R272
0R3
ON/OFF#
CHARGER CONNECTOR6/18 MOVE BL3# FROM PIN 10 TO PIN 16 AD5VBL3#
CHARGER CONNECTOR
Notebook Schematic Diagrams A-29 Figure A-1 Notebook Main Board Logic Diagrams (Sheet 28 of 30) C73 SCD1U +5V C74 SCD1U C72 SCD1U M+5V+5VSB LED INTERFACE 21 273 1 2Q1 RN1424 CHARGE_LED3 1 2Q2 RN1424 DK_CHG_LEDCHARGE_LED# 14 14 20CLLED# NLLED# @COVER_SWCOVER_SW CHARGE_LED# NLOCK_LED# CLOCK_LED# M+5V +5VSB SB: ADD LOWBAT_LED 19 29 1 3 5 7 9 11 13 2 4 6 8 10 12 14 15 17 19 16 18 20 CN7 SD5255917-16 POWER_SW2 LOWBAT_LED POWER_SW2 STANDBY_LED# HDD/FDD_LED# +5V MIC_R AUD_GND 18INTMIC 19 21241 2 R141 10KR3 HDD_LED#DK_DISKLED#HDD/FDD_LED# +5VCLOSE TO CONNECTOR CLOSE TO AUDIO CHIP 19 C59 SC1U10V5JY 9 8 1 4 7 U8D SSHC14 12 111 41 3 7U56D SSHC125 STNDBY# STANDBY_LED# +5V+5V 1 2R14 2MR5 1 2 D7 S1N4148 1 2 R26 220KR3 11 10 1 4 7 U8E SSHC14 +5V
A-30 Notebook Schematic Diagrams Figure A-1 Notebook Main Board Logic Diagrams (Sheet 29 of 30)
Notebook Schematic Diagrams A-31
Figure A-1 Notebook Main Board Logic Diagrams (Sheet 30 of 30)
3 4 1
4
7
U11B
SSHC14M+5V
1110 1
4
7
U34E
SSHC14 13
12 1
4
7
U34F
SSHC14
1 2 1
4
7
U11A
SSHC14M+5VM+5VM+5V
1110 1
4
7
U53E
SSHC14 13
12 1
4
7
U53F
SSHC14+5V+5V
1312 1
4
7
U8F
SSHC14
9 8 1
4
7
U12D
SSHC14
13
12 1
4
7
U19F
SSHCT04
+5V+5V+5V
+5V
1110 1
4
7
U1E
SSHC14
13
12 1
4
7
U1F
SSHC14
M+5VM+5V
9
10 8 1
4
7U67C
SSHC32
4
5 6 1
4
7U67B
SSHC32
1
2 3 1
4
7U54A
SSHC08
9
10 8 1
4
7U91C
SSHC08
M+5VM+5V
+5V+5VSB
12
1311 1
4
7U67D
SSHC32
1
2 3 1
4
7
U14A
TSHCT00
D 2CLK 3Q 5
Q 6 VCC 14
P
R4
GND 7
C
L
1
U64A
SSHCT74
M+5V
+5V 12
1311 1
4
7U91D
SSHC08
+5VSB
+5V
M+3.3V
8 91
4
76U75D
SOHC4066
M+3.3VM+3.3VM+3.3V
AUDIO_+5VA
AUD_GND
D 12CLK 11Q 9
Q 8 VCC 14
P
R1
0
GND 7
C
L
1
3
U43B
SSHC74
12
1311 1
4
7U48D
SSHC08
+5V
+5V
M+3.3V
+5V
9 81
41
0
7
U62C
SOLCX125M
12 111
41
3
7
U62D
SOLCX125M
2 31
41
7
U51A
SOLCX125M
5 61
44
7U51B
SOLCX125M
12 111
41
3
7
U51D
SOLCX125M
1 2 1
4
7
U34A
SSHC14M+5V
MPB Schematic Diagrams B-1 B MPB Schematic Diagrams B.1 Introduction This section contains schematic diagrams for the Extensa 900 Mobile Productivity Base. Logic schematics for the MPB are provided in Appendix A of this manual.
B-2 MPB Schematic Diagrams P Figure B-1 MPB CPU Board Logic Diagrams (Sheet 1 of 3) VCC_CPU C51 SC22U10V0JYC45 SC22U10V0JY C46 SC22U10V0JYC54 SC22U10V0JY C37 SC22U10V0JYC50 SC22U10V0JY C44 SC22U10V0JYC48 SC22U10V0JY C20 SC22U10V0JYC27 SC22U10V0JY C49 SC22U10V0JYC34 SC22U10V0JY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 J1A WR200PVFWA1 VCC_3V C53 SC1KPC18 SC1KP 1 32 NF2STC222B 1 32NF3 STC222B CPU_VCC C15 SC1KPC33 SC1KP $NMI$CPU_A25 $CPU_A26 $CPU_A27 $CPU_A28 $CPU_A3 $CPU_A4 $CPU_A5 $CPU_A6 $CPU_A7 $CPU_A8 $CPU_A9 $CPU_A31 $CPU_A10 $CPU_A11 $CPU_A12 $CPU_A13 $CPU_A14 $CPU_A15 $CPU_A16 $CPU_A17 $CPU_A18 $CPU_A19 $CPU_A202 $MIO#$DC#$WR#$BRDY#$IGNNE#$FERR#$CPUADS#CPU_ID0CPU_ID1CPU_ID2CPU_ID3CPU_VOLT0CPU_VOLT1CPU_VEND$INVCPU_THMCPU_THMG$CPU_A30 $CPU_A29 $CPU_A21 $CPU_A22 $CPU_A23 $CPU_A24 2 2 2 2 2 2 2 3 3 3 33 3 3 233 $AHOLD$A20M#$EADS#$INTR$KEN#$NA#$SMIACT#$BOFF#$CACHE#$HITM#$HLOCK#$HOLD$HLDA$WB/WT# 2 2 2 2 2 2 2 2 2 2 2 2 22 $CPUCLK$CPUINIT$CPURST$SMI#$STPCLK# $BE#7 $BE#6 $BE#5 $BE#4 $BE#3 $BE#2 $BE#1 $BE#02 2,3 2,32 2 $CPU_A[3..31] $BE#[0..7]2 2 C38 SC22U10V0JY 1 32 NF1 STC222B VCC_3V C32 SC1KP C14 SC1KP C3 SC22U10V0JY VCC_I/O CPU BOARD CONNECTOR |LINK |CPU1.SCH |CPU2.SCH CPU_VCC 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150 151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200 J1B WR200PVFWA1 $CPU_D16 $CPU_D17 $CPU_D18 $CPU_D19 $CPU_D20 $CPU_D21 $CPU_D22 $CPU_D23 $CPU_D24 $CPU_D25 $CPU_D26 $CPU_D27 $CPU_D28 $CPU_D29 $CPU_D30 $CPU_D31 $CPU_D32 $CPU_D33 $CPU_D50 $CPU_D51 $CPU_D52 $CPU_D53 $CPU_D54 $CPU_D55 $CPU_D56 $CPU_D57 $CPU_D58 $CPU_D59 $CPU_D60 $CPU_D61 $CPU_D62 $CPU_D63 $CPU_D34 $CPU_D35 $CPU_D36 $CPU_D37 $CPU_D38 $CPU_D39 $CPU_D40 $CPU_D41 $CPU_D42 $CPU_D43 $CPU_D44 $CPU_D45 $CPU_D46 $CPU_D47 $CPU_D48 $CPU_D49CPU_VOLTAGE1 CPU_VOLTAGE2 CPU_VOLTAGE3 CPU_VOLTAGE4 1 2 R28 0R31 2 R29 0R31 2 R30 0R31 2 R31 0R3 FOR SHIVA SB $CPU_D0 $CPU_D1 $CPU_D2 $CPU_D3 $CPU_D4 $CPU_D5 $CPU_D6 $CPU_D7 $CPU_D8 $CPU_D9 $CPU_D10 $CPU_D11 $CPU_D12 $CPU_D13 $CPU_D14 $CPU_D15 $CPU_D[0..63] 2