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B

AD & Scaler

Acer Incorporated

AL732

1

7

Thursday, January 23, 2003

Title

Size

Document Number

Rev

Date:

Sheet

of

V18

V33

V33

3.3VDVI

3.3VADC

3.3VADC

V18

V33

V33

3.3VADC

V33

3.3VDVI

PV1

V18

V33

V18

V33

V18

PV1

V33

3.3VADC

3.3VADC

V33

V33

V18

3.3VADC

V33

V33

3.3VDVI

3.3VADC

VCC

V33

V33

V33

V18A

V18

V33

AVSYNC

AHSYNC

GAIN

BAIN

RAIN

RX2p
RX2m

RX0m

RX0p

RX1m

RX1p

RXCm

RXCp

RESETn

LVDSON

MUTE

SCL

SDA

PWMOUT

A[19:1]

ROMWEn
CS0n

RDn

ROMOEn

DCLK

DVS
DHS
DEN

DRE[7:0]

DGE[7:0]

DBE[7:0]

DRO[7:0]

DGO[7:0]

DBO[7:0]

RXD

TXD

LED1

DPMS

LED2

LCDON
BKLON

SDATV
SCLTV

DECOE

V656_0
V656_1
V656_2
V656_3
V656_4

V656_6
V656_7

V656_5

VCLK

VPEN

VOLUME

D[15:0]

IRRCVR

232E

NMI

DGO2

DBO5

DV1

DRE6

DBO6

DGO4

A14

DRO0

DGE6

DGE0

DBO3

A3

DBE5

LV1

DRO5

A12

DRO7

R28C11

DRO3

A7

DBO0

A13

A16

DBE7

DRE0

CS1n

DRO6

A6

MPV1

DPV1

A8

DRO2

A9

DBE3

DGO1

DGE1

A18

DGE7

DGO0

A15

DRO4

A1

DBO1

DGE3

DRE7

A5

DRO1

DGO6

DGO3

DGO7

A17

DBO2

DGE5

DBE6

DGE2

DGO5

DRE1

A19

DRE3

DRE2

DBO4

DBE0

A2

DRE5

DGE4

DBE4

DRE4

A10

A4

DBO7

DBE2

A11

DBE1

D0
D1
D2
D3
D4
D5
D6
D7

CS1n
RESETn

D12

D15

D2

D7

D3

D1

D9

D8

D14

D5

D10

D6

D11

D4

D13

D0

X608

ISOG

IGREEN

RTERM

GFILT

IRED

IBLUE

TESTEN

P W 1 3 1
M i s c

U4C

PW13x

193
192
191
190
189
188
183
182
181
180
179
178
177
176
175
164
163
162
161

160
159
158
157
156
155
154
153
152
151
150
149
148
145
144
143

196
195
197
198
199
200

137

132

53
54

208
207
206
205
204
203
202
201

142
141
140
139
138

194

169
170

A1
A2
A3
A4
A5
A6
A7
A8
A9

A10
A11
A12
A13
A14
A15
A16
A17
A18
A19

D0
D1
D2
D3
D4
D5
D6
D7
D8
D9

D10
D11
D12
D13
D14
D15

RD

WR

ROMOE

ROMWE

CS0
CS1

TESTEN

RESETB

RXD
TXD

PORTA0
PORTA1
PORTA2
PORTA3
PORTA4
PORTA5
PORTA6
PORTA7

TRST
TCK
TMS
TDI
TDO

NMI

XI
XO

R40

3.3K

C51

0.1uF

C52

0.1uF

L11
22uH

R38

NP

L10
22uH

C45

0.1uF

C24

47nF

R34

100_NS

C29
18pF

C53

0.1uF

C41

0.1uF

C25

47nF

R157

22

C50

0.1uF

U5

74LV273A

3
4
7
8

13
14
17
18

10

20

1

11

2
5
6
9
12
15
16
19

D1
D2
D3
D4
D5
D6
D7
D8

GND

VCC

CLR

CLK

Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8

C49

0.1uF

R39

3.3K

Y1

XTAL14.31818

C30

0.1uF

C46

0.1uF

C54

0.1uF

R79
0

R42

430

C87
0.1u

R158

4.7K

C37

0.1uF

R156

1K

C89

0.1

C33

0.1uF

C88
270P

R41
4.7K

R154

NP

C23

39nF

C47

0.1uF

R43

1.5M

C28
18pF

C57

0.1uF

R35

3.3K

WRN1

C43

0.1uF

C26

1nF

L12
22uH

C56

0.1uF

R155

NP

D i s p l a y   P o r t

U4B

PW13x

106
107
101
102
103

98
97
94
93
92
91
90
89

88
87
86
85
82
81
80
79

78
77
74
73
71
70
67
66

131
130
129
128
127
126
125
124

121
120
119
118
117
116
115
114

113
112
111
110
109
108
100
99

DCLK

DCLKNEG

DVS

DHS
DEN

DR0
DR1
DR2
DR3
DR4
DR5
DR6
DR7

DG0
DG1
DG2
DG3
DG4
DG5
DG6
DG7

DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7

DGR0
DGR1
DGR2
DGR3
DGR4
DGR5
DGR6
DGR7

DGG0
DGG1
DGG2
DGG3
DGG4
DGG5
DGG6
DGG7

DGB0
DGB1
DGB2
DGB3
DGB4
DGB5
DGB6
DGB7

C32

0.1uF

L8

22uH

C38

0.1uF

C39

0.1uF

R37

NP

C27

47nF

C34

0.1uF

C31

0.1uF

C36

0.1uF

C35

0.1uF

R36

0

C40

0.1uF

C48

0.1uF

U21

P2781A

1
2
3
4

8
7
6
5

XIN

XOUT

FS1

LF

VDD
RS0
MOUT
VSS

J2

CON4

1

2

3

4

Power and Ground

U4D

PW13x

1

3

20

2

4

19

6

18

9

12

15

22

24

26

21

25

27

28

29

30

31

32

33

36

39

41

46

48

52

34

35

38

40

42

45

47

49

51

68

83

104

122

133

171

186

69

84

105

123

134

172

187

75

95

135

146

173

184

76

96

136

147

174

185

165

167

166

168

DVDD11

DVDD12

DVDD13

DGND11

DGND12

DGND13

DVDD31

DVDD32

DGND31

DGND32

DGND33

PVD11

PVD12

PVD13

PGND11

PGND12

PGND13

ALVDD11

ALVDD12

ALGND11

ALGND12

AVDD31

AVDD32

AVDD33

AVDD34

AVDD35

AVDD36

AVDD37

AVDD38

AGND31

AGND32

AGND33

AGND34

AGND35

AGND36

AGND37

AGND38

AGND39

VDDQ31

VDDQ32

VDDQ33

VDDQ34

VDDQ35

VDDQ36

VDDQ37

VSSQ31

VSSQ32

VSSQ33

VSSQ34

VSSQ35

VSSQ36

VSSQ37

VDD11

VDD12

VDD13

VDD14

VDD15

VDD16

VSS11

VSS12

VSS13

VSS14

VSS15

VSS16

DPLLVDD1

MPLLVDD1

DPLLVSS1

MPLLVSS1

C22

3.9nF

L9

22uH

C55

0.1uF

G r a p h i c s   a n d
V i d e o   P o r t

U4A

PW13x

63
62
61
60
59
58
57
56

55

64

65

72

17

16

14

13

11

10

8

7

5

50

44

43

37

23

V656_0
V656_1
V656_2
V656_3
V656_4
V656_5
V656_6
V656_7

VPEN

VS

HS

VCLK

RCM

RCP

RX0M

RX0P

RX1M

RX1P

RX2M

RX2P

RTERM

BLUE

SOG

GREEN

RED

FILTER

R31

NS

R30

NS

C44

0.1uF

C42

0.1uF

3 5 0 m a   m a x .

S l e e p   M o d e   9 m a   m a x .

4 0 m a   m a x .

S l e e p   M o d e   3 5 m a

9 0 m a   m a x .

4 0 m a   m a x .

10

1 6

日修改

11

8

日修改

1 7 5 m a   m a x .

Summary of Contents for AL732

Page 1: ...AL732 Service Manual ...

Page 2: ... T I O N S 4 C T I M I N G C H A R T 5 D C O N T R O L L O C A T I O N 7 E C O N D U C T I O N V I E W 8 F ADJUSTMENT PROCEDURE 13 G T R O U B L E S H O O T I N G H I N T S 1 4 H R E P L A C E M E N T P A R T S L I S T 2 0 I B L O C K D I A G R A M 3 0 J S C H E M A T I C D I A G R A M 3 1 ...

Page 3: ... plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature if you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the purpose of the grounding type plug 10 Do not allow anything to rest on the power cord Do not locate this product where persons will walk on the cord 11 I...

Page 4: ...0 Degrees 160 Degrees 13 Power Source 100 240 Vac 60 50 Hz 14 Power Consumption 48W max 15 Connection Type 15 Pin D Sub 24 Pin DVI 16 Input Signal Video Sync Analog R G B 0 7Vp p 75 Ohms TTL level positive or negative polarity 17 Color Temperature Cool Natural Warm 18 Dimension WxHxD 454mm x 460mm x 135mm 19 Monitor Weight 4 8 Kg 20 Base Operation Tilt 0 15 degree 21 Power Saving ON STAND BY OFF 4...

Page 5: ...5 6 349 6 222 6 400 4 800 Front Porch µs 0 635 0 636 0 762 0 508 0 667 1 000 1 120 H Sync width µs 3 813 3 813 1 270 2 032 2 000 3 200 2 400 H Back Porch µs 1 906 1 907 4 063 3 810 3 556 2 200 1 280 V Frequency Hz 70 1 59 94 72 81 75 0 56 25 60 3 72 2 V Total ms 14 267 16 683 13 735 13 333 17 778 16 579 13 853 V Active Display ms 12 710 15 253 12 678 12 800 17 067 15 840 12 480 V Blanking ms 1 557...

Page 6: ...ont Porch µs 0 323 0 369 0 320 0 203 0 444 0 119 H Sync width µs 1 616 2 092 1 813 1 219 1 037 1 837 H Back Porch µs 3 232 2 462 1 920 2 235 2 296 1 067 V Frequency Hz 75 0 60 0 70 1 75 0 60 02 75 025 V Total ms 13 333 16 666 14 272 13 328 16 661 13 329 V Active Display ms 12 800 15 880 13 599 12 795 16 005 12 804 V Blanking ms 0 533 0 786 0 673 0 533 0 656 0 525 V Front Porch ms 0 021 0 062 0 053...

Page 7: ...D CONTROL LOCATION 1 Menu Button MENU 2 Select Button 3 Auto Button AUTO 4 Power Button 5 LED Power Indicator 1 S VIDEO 2 DC IN 3 VIDEO IN 4 PC AUDIO IN 5 AUDIO OUT 6 DVI VGA IN ...

Page 8: ...E CONDUCTION VIEW MAIN BOARD Component Side ...

Page 9: ...MAIN BOARD Solder Side ...

Page 10: ...CONTROL BOARD Component Side CONTROL BOARD Solid Side ...

Page 11: ......

Page 12: ......

Page 13: ... OFF 2 Hold key then turn the power switch of the monitor ON 3 You can into factory adjustment mode D Auto mode Check PC or Pattern generator Crosshatch Pattern 1024x768 60Hz 1 Press and relese the MENU knob to activate the OSD menu 2 Move the OSD to the Auto adjust function press MENU key auto adjuat display mode to its utmost performance according to VGA setting 3 In the event of the display ima...

Page 14: ...ay Black LED ON Push the power ON OFF switch LED Color change Check main board U4 Pin201 Hi Lo under push power sw Back light ON To Step 2 Make sure the connection of Inverter is fine 12V Check the J1 Pin1 of Inverter Check F1 Fuse of inverter B Display OK A To Step 2 Power adapter Change adapter ...

Page 15: ...NO YES YES NO YES NO B Hi Lo under push power sw Change the Inverter Display OK To Step 2 A Check the connection of CN1 cable Display OK Change the main board Change the main board ...

Page 16: ...NO YES NO YES NO YES YES NO NO YES Step 2 Check the main board 12V 5 0 V Check U13 U12 R83 H V input Signal Change U4 Check H V Signal Display OK Change Signal Cable Check Adapter F1 U13 Check U14 3 3 V ...

Page 17: ...ES NO YES NO YES No display White Check the main board 5V 3 3V H V Input Signal Check the main board U4 Pin32 Change U4 Display OK Change Signal Cable Check U13 U12 R83 Check U14 Check 3 3V Circuit Check CN2 Check H V Signal ...

Page 18: ... NO YES NO YES NO YES Check Audio Input U19 Pin1 12V U18 Pin4 Vcc Check U19 Pin23 24 Change Power Supply Check U18 Pin15 28 Speaker OK Change Speaker Cable Check Audio Source Check Power Supply Check U19 No Sound Check U18 ...

Page 19: ... YES NO YES NO YES NO YES Check CN11 CN16 Video Input U20 Vcc Check U20 Pin81 90 Video Output Change Power Supply OK Check Video Cable Check Power Supply Check U20 No Video Check U20 Pin81 90 Video Output ...

Page 20: ...H REPLACEMENT PARTS LIST NO Parts No Description Part Location Q ty ...

Page 21: ......

Page 22: ......

Page 23: ......

Page 24: ......

Page 25: ......

Page 26: ......

Page 27: ......

Page 28: ......

Page 29: ......

Page 30: ... SDA SCL POWER ADAPTER 12V SWITCH POWER SUPPLY AND 3V 5V 12V C O N N E N T VGA IN 12PIN D D C 24C21 EEPROM ADC SCALER LVDS LVDS MCU 24C16 EEPROM INVERTER 12V C O N N E N T FUNCTION KEY 8PIN LCD PANEL LVDS REGULATOR CRYSTAL CRYSTAL 3 R G B 12M HZ 12M HZ 8 R0 R7 8 G0 G7 8 B0 B7 8 RA0 RA7 8 GA0 GA7 8 BA0 BA7 8 RB0 RB7 8 GB0 GB7 8 BB0 BB7 10 ODD 10 EVEN POWER HI VOLTAGE ...

Page 31: ...J SCHEMATIC DIAGRAM ...

Page 32: ...P A C AC U3F 74LVC14 SOP14 13 12 7 U3E 74LVC14 SOP14 11 10 7 R7 47 R5 47 D7 DAN217K NP A C AC L7 0R 1 2 U3B 74LVC14 SOP14 3 4 7 U2 24LC21 1 2 3 4 5 6 7 8 NC1 NC2 NC3 GND SDA SCL VCLK VCC CN15 DVI_D_CON NC 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 C1 C2 C3 C4 C5 C5 DATA2 DATA2 DATA2 4_SHLD DATA4 DATA4 DDC_CLK DDC_DATA A_VSYNC DATA1 DATA1 DATA1 3_SHLD DATA3 DATA3 5V GND H_...

Page 33: ...LR CLK Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 C49 0 1uF R39 3 3K Y1 XTAL14 31818 C30 0 1uF C46 0 1uF C54 0 1uF R79 0 R42 430 C87 0 1u R158 4 7K C37 0 1uF R156 1K C89 0 1 C33 0 1uF C88 270P R41 4 7K R154 NP C23 39nF C47 0 1uF R43 1 5M C28 18pF C57 0 1uF R35 3 3K WRN1 C43 0 1uF C26 1nF L12 22uH C56 0 1uF R155 NP Display Port U4B PW13x 106 107 101 102 103 98 97 94 93 92 91 90 89 88 87 86 85 82 81 80 79 78 77 74 73 ...

Page 34: ...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 51 53 55 57 59 52 54 56 58 60 R64 3 3K U6 EN29LV800T 90 37 13 46 27 29 30 31 32 33 34 35 36 38 39 40 41 42 43 44 45 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 25 48 26 28 11 12 14 47 16 VCC VPP GND1 GND2 D1 D9 D2 D10 D3 D11 D4 D12 D5 D13 D6 D14 D7 D15 D8 D16 A15 A14 A13 A12 A11 A10 A9 A8 ...

Page 35: ... TXOUT2 TXOUT2 LVDSGND LVDSVCC TXOUT1 TXOUT1 TXOUT0 TXOUT0 LVDSGND TXIN27 TXIN0 TXIN1 GND TXIN2 TXIN3 TXIN4 L20 L0603 C70 0 1uF L17 L0603 U10 DS90C383 QSOP56 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 51 52 53 54 55 56 VCC TXIN5 TXIN6 TXIN7 GND TXIN8 TXIN9 TXIN10 VCC TXIN11 TXIN12 TXIN13 GND TXIN14 TX...

Page 36: ...R98 301 R97 681 U16 LM1117 G O I TAB ADJ Vo2 Vin Vo4 L29 BE0805 R33 4 7K 1 2 F1 FUS1206 5A 1 2 C102 0 1uF C107 220uF 16V C120 220uF 16V D12 MMSZ5248B NP A C C119 0 1uF CN3 DC JACK 5 4 3 2 1 C114 0 01uF U14 AIC1084 33CM I O G TAB IN OUT C OUT1 C121 0 1uF C106 0 01uF U13 AIC1578 SO8 1 2 3 4 8 7 6 5 VIN DUTY SHDN FB CS CS DRI GND C129 100uF 16V JW1 JUMP WIRE12 5mm L35 BE0805 C117 0 1uF NP S3 1 2 CN4 ...

Page 37: ...26 2 2K C132 10uF 16V 1 2 R120 20K C158 0 1uF R123 33K R122 20K C141 0 068uF R106 20K R103 33K R118 10K NP C163 100uF 16V NP 1 2 C134 0 1uF R113 20K R111 20K C135 0 1uF C150 0 068uF CN6 BASE2S 1 2 C154 0 1uF L39 BE0805 1 2 C152 22uF 16V 1 2 L40 BE0603 L41 BE0603 R117 10K C162 33PF U18 LM4838 1 8 14 20 23 6 16 27 2 3 4 5 7 9 10 11 12 13 28 26 25 24 22 21 19 18 17 15 29 GND GND GND GND GND VDD VDD V...

Page 38: ...68 83 93 8 98 99 97 3 2 72 71 70 69 67 66 65 64 77 78 79 31 32 22 24 15 9 21 26 50 76 100 5 88 63 38 28 29 30 36 35 34 44 73 74 37 39 40 41 6 7 27 10 12 14 16 13 18 20 19 81 82 84 85 86 87 89 90 92 91 96 95 94 80 4 IPD7 IPD6 IPD5 IPD4 IPD3 IPD2 IPD1 IPD0 ITRDY ICLK IDQ ITRI IGP0 IGP1 IGPV IGPH VDDE1 VDDA2 VDDA1 VDDA0 VDDE2 VDDE3 VDDI1 VDDE4 VDDI2 VDDI3 VDDI4 VDDI5 VDDI6 VDDX TCK TMS TRST TDI TDO H...

Page 39: ......

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