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ADC-AGND

+2.5V

PCLKA

R206

75 

IRQ

C220

0.1 uF

GND

PD0

PD7

PD13

C227

0.1 uF

D203

1N4148

A

C

+5V

+3.3V

L207

0

1

2

PGND

TCLK

RVDDA

PD40

CN200

HEADER 14

1
2
3
4
5
6
7
8
9

10
11
12
13
14

+5V

+5V

GND

C210

0.1 uF

C246

0.1 uF

R234

0

PCLKA

ADC GNDA

+2.5V

VSYNC

PCLKB

D302

1N4148

A

C

C228

0.1 uF

PD11

PD14

JP203

R (OP)

MFB7

C229

10 nF

GND

PD3

PD27

R227

100 

TXD

VDDA

GND

D201
5.6 V

A

C

PD43

R201

100

C236
100 pF(OP)

+D5V

ADC-AGND

VGA_5V

C619

0.1 uF

TXD

PD23

ADC-AGND

C234

10 nF

C262

C(OP)

PGND

SVDDA

PD29

VGA_VSYNC

U905
RT9164

3

1

2

IN

AD

J

OUT

PD37

TCLK

C206

100uF

+5V

PDISPE

PD2

R231

0(OP)

C221

0.1 uF

ADC-AGND

HDATA0

GND

VDDA

R223

10 K

C226

0.1 uF

MFB8

PD28

PD30

R317

0 

R229

0 

/VGA_CON

VDDA

R212

100 (op)

U202

SI9933ADY

1

2

3

4

8

7

6

5

S1

G1

S2

G2

D1

D1

D2

D2

L201

600(1206)

1

2

+D5V

PD5

+5V

ADC-AGND

GND

PD9

PVS

GND

R326

10 K

C237

0.1 uF

C219

0.1 uF

+3.3V

PD34

R224

10K

GND

ADC-AGND

LVDS EN

PD25

U401A

74LVT14_ADC

1

2

C947
0.1uF

D200
5.6 V

A

C

RST1

R207

0 

PD22

R217

10 K

GND

C224

100uF

C230

10 nF

MFB9

GND

DVDDA

R219
100 

C217

0.1 uF

R209

2 K

PANEL_P

GND

PCLKA

R232

0

GND

+12V

+A2.5V

ADC-AGND

ADC-AGND

R204

75 

C943

100uF

U401B

74LVT14_ADC

3

4

VDDA

DVDDA

PD6

C946
0.1uF

D303

BAT54

C

2

A

PD24

PD33

R202

100

+D5V

PPWR

GND

C211

0.1 uF

PD8

PCLKB

R327

10 K

C204

0.1 uF

R214

1 K

PHS

+B2.5V

VGA_SDA

HCLK

GND

VGA_5V

ADC-AGND

U200

ZAN2

107

106

11

12

21

33

40

58

65

77

79

108

125

139

149

143

84

88

92

96

128

129

136

137

1

8

18

30

41

49

61

72

114

126

140

151

158

98

141

131

132

133

134

127

138

144

146

78

80

81

82

85

89

93

121

120
119
118

117
116
115

122

6
7
9
10
13
14
15
16
17
19
20
22
23
24
25
26
27
28
29
31
32
34
35
36
37
38
39
42
46
47
48
50
51
52
53
54
55
56
57
62
63
64
66
67
68
69
70
71
73
74
75
76
43
44
45

99

105
104
102

103
101

95

94

91

90

87

86

124
123
109
110
111
112
113

148

150

100

153

2
3
4

59

60

83
97

130
135
142
145

147

152

154
155
156
157
159
160

5

MFB5

MFB6

SR

VD

D

1

RV

DD1

SR

VD

D

2

RV

DD2

RV

DD2

A

CV

DD2

RV

DD3

A

DC_

V

DD2

A

DC_

V

DD1

RV

DD3

A

DV

DD

SVD

D

SYN

_VD

D

PLL_R

VD

D

A

A

DC_

V

DDA

AD

C

_

BVD

D

A

AD

C

_

GVD

D

A

A

D

C_

RV

DDA

DA

C_

DV

DDA

PLL_D

VD

D

A

PLL_SVD

D

A

DA

C_

S

V

D

DA

CV

S

S

1

RV

S

S

1

SR

VSS1

RV

S

S

2

CV

S

S

2

RV

S

S

3

RV

S

S

4

CV

S

S

3

CV

S

S

4

DV

S

S

SVSS

SYN

_VSS

SR

VSS2

HFS

TCLK

PLL_D

GN

D

A

S

U

B

_

DG

NDA

SU

B_SGN

D

A

PLL_SGN

D

A

DA

C_

DG

NDA

DA

C_

S

G

NDA

PLL_R

GN

D

A

S

U

B

_

RG

NDA

A

D

C_

G

N

D2

A

D

C_

G

N

D1

S

U

B

_

G

NDA

A

D

C_

G

N

DA

AD

C

_

BGN

D

A

A

D

C_

G

G

NDA

A

D

C_

RG

NDA

OSD_DATA3

OSD_DATA2
OSD_DATA1
OSD_DATA0

OSD_CLK

OSD_VREF
OSD_HREF

OSD_FSW

PD47
PD46
PD45
PD44
PD43
PD42
PD41
PD40
PD39
PD38
PD37
PD36
PD35
PD34
PD33
PD32
PD31
PD30
PD29
PD28
PD27
PD26
PD25
PD24
PD23
PD22
PD21
PD20
PD19
PD18
PD17
PD16
PD15
PD14
PD13
PD12
PD11
PD10

PD9
PD8
PD7
PD6
PD5
PD4
PD3
PD2
PD1
PD0
PVS
PHS

PBIAS
PPWR

PDISPE

PCLKA
PCLKB

HDATA
MFB7
MFB8
MFB9

HCLK
IRQ

RED+

RED-

GREEN+

GREEN-

BLUE+

BLUE-

MFB10
MFB11
MFB4
MFB3
MFB2
MFB1
MFB0

VSYNC

HSYNC/CS

RESETn

STI_TM1

Reserved
PSCAN
Reserved

CV

S

S

2

A

RV

DD2

B

Reserved
NC
Reserved
Reserved
XTAL(Reserved)
Reserved

CV

S

S

5

Reserved

STI_TM2

SCAN_IN1

Reserved

SCAN_IN2

SCAN_OUT1
SCAN_OUT2

CV

S

S

1

A

C208

0.1 uF

R203

0 

ADC-AGND

RXD

PD47

PD45

D208

5.6V

A

C

C314

22 uF

L202

600(1206)

1

2

Q200

MMBT3904

3

1

2

PCLKB

ADC-AGND

C212

0.1 uF

PHS

C214

100uF

C405

0.1UF

PLL_GNDA

R216

10 K

D202

1N4148

A

C

C929

100uF

D206

1N4148

A

C

R213

1 K

RXD

+D5V

BLUE

PD19

U203

24LC21A

8

4

1
2
3

7

6

5

VC

C

GN

D

NC
NC
NC

VCLK

SCL

SDA

C200

100uF

R218

100 

R316

0(OP)

+D5V

VDDA

R221

0

GND

PANEL_P

GND

R200

100

C949

1000PF

Connect two grounds at single point only.

PDISPE

C216

22uF

D209

5.6V

A

C

C218

0.1 uF

R225
10K

GND

PD17

C209

0.1 uF

C233

10 nF

HFS

PGND

C205

0.1 uF

C948

1000PF

PD4

PD31

RVDDA

RP300

10 K

1

2

3

4

8

7

6

5

C930

100uF

C245

0.1 uF

PD16

+A2.5V

+D5V

C215

0.1 uF

+3.3V

PD[0..47]

ADC-AGND

CLK

R603

0(OP)

PVS

JP202

0

C202

0.1 uF

C250

33 pF

/VGA_CON1

SVDDA

+3.3V

PD42
PD41

R210
2 K

GND

C203

100uF

ADC-AGND

U401D

74LVT14_ADC

9

8

L205

0

1

2

PHS

C956

1000pF

R220

100 

GND

ADC-AGND

PD44

R233
0

ADC-AGND

PD32

PD39

PGND

L203

600(1206)

1

2

U201

50 MHz

3

1

4

2

OUT

SB

VCC

GND

R208

0 

U401E

74LVT14_ADC

11

10

MFB2

ADC-AGND

+B2.5V

R211

100(op)

C213

0.1 uF

C235

100 pF(OP)

D204

1N4148

A

C

PD15

DDC_

S

C

L

DDC_

S

D

A

+2.5V

PPWR

PD10

C244

0.1 uF

PD18

PD46

L204

0

1

2

ADC GNDA

PD12

C207

0.1 uF

PDISPE

C942

0.1 uF

C222

0.1 uF

PD1

PD[0..47]

ADC-AGND

VGA_SCL

D207

1N4148

A

C

C620

10uF

PVS

PD35

PGND

C201

0.1 uF

+3.3V

R215

bead 120

R205

75 

+3.3V

PD20

PCLKB

715L820-2-2

A

ZAN2

SIEMENS 43B1-M

C

1

4

Monday, July 29, 2002

Title

Size

Document Number

Rev

Date:

Sheet

of

GND

PD21

PD26

R602

0

C618

0.1 uF

D210

5.6 V

A

C

VGA_HSYNC

C231

10 nF

R229:
Let Zan1 been
reseted twice!

PD36

PD38

C223

0.1 uF

L200

600(1206)

1

2

LVDS EN

R230

0(OP)

C957

1000PF

D205

1N4148

A

C

C251

10nF

C225

0.1 uF

C232

10 nF

GMZAN2 Block 

All manuals and user guides at all-guides.com

Содержание 786ls

Страница 1: ...SERVICE MANUAL 17 LCD Monitor 786LS All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 2: ...BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR CHANGES ERRORS OR OMISSIONS MANUFACTU...

Страница 3: ...NS 7 4 2 ADJUSTMENTS METHOD DESCRIPTION 7 8 4 3 FRONT PANEL CONTROL KNOBS 9 5 CIRCUIT SOFTWARE DESCRIPTION 10 5 1 SPECIAL FUNCTION WITH PRESS KEY 10 5 2 CIRCUIT FUNCTION DESCRIPTION 10 11 5 3 SOFTWARE...

Страница 4: ...ncies Horizontal 30 KHz 83 KHz Vertical 55 Hz 75 Hz Pixel clock 135 MHz 6 Factory Preset Timing 17 User Timings 13 Input signal tolerance H tolerance 1 K V tolerance 0 5 Hz 7 Input Power Source Switch...

Страница 5: ...l The Adapter will provides the 12V DC power 4 16 Amp to Main board and Inverter module Monitor Block Diagram 1 2 Interface Connectors A AC Power Cable B Video Signal Connectors and Cable C External A...

Страница 6: ...change variable resistance settings in MAIN BOARD they are adjusted to the most suitable value If they are changed it might happen LUMINANCE does not satisfy the white balance spec 3 Please consider t...

Страница 7: ...e connector information is as follow 15 Pin Color Display Signal Cable PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RED 9 5V power from VGA card 2 GREEN 10 GND 3 BLUE 11 SYNC GND 4 GND 12 SDA 5 GND 13 HORI...

Страница 8: ...to 7200 color and MEM channel 2 to 6500 color our 7200 parameter is x 302 20 y 319 20 Y 200 20cd m2 and 6500 parameter is x 313 20 y 329 20 Y 200 20 cd m2 How to setting MEM channel you can reference...

Страница 9: ...ve the adjustment result b adjust 6500 color temperature 1 Set the Contrast of OSD function to 45 and Adjust Brightness to chroma 7120 Y 240 5 cd m2 2 Switch the chroma 7120 to RGB mode with press MOD...

Страница 10: ...he Chroma to pattern 1 crosshatch pattern or WIN98 95 full white pattern confirm above item 2 3 functions clock focus was done well if that 2 functions failed the H V position will be failed too Adjus...

Страница 11: ...gital data with interpolation process zooming generated the OSD font perform overlay function and generate drive timing for LCD PANEL 2 U302 89C51RD2 PHILIPS MCU type 8052 series with 64k Rom size and...

Страница 12: ...MZAN2 U200 LVDS chip U601 U602 Panel Power Control U202 MCU U302 Data Digital RGB Panel Control Signal Phs Pvs PclkA B Pdispe Panel Power 5V Communication signal Hclk Hfs Hdata0 Input analog RGB H V d...

Страница 13: ...lue Initial GMZAN2 Yes POWER ON START Initial MCU I O Interrupt vector Ram Initial 1 POC backlight counter 2 Clr all mode value Yes Check if in Factory mode when power on press the MENU Button will be...

Страница 14: ...t support be confirm Set mode index parameter Set change mode flag No No Yes Yes confirm the frequency Hsyn or Vsyn from IFM already been changed check the change mode flag Process turn off OSD settin...

Страница 15: ...t Block Check U200 Data output Block OK Panel Power OK Replace Inverter and Check Inverter control relative circuit Re do White balance adjust OK U200 data OK Check Power switch is in Power on status...

Страница 16: ...relative circuit R315 Q304 R311 In normal operation when LED green R315 Bklt On should 0 v If Bklt On no response when the power switch turn on off Replace the MCU NG OK Re do white balance OK Measur...

Страница 17: ...nough Yes Voltage normal Check the LVDS Power L601 L602 L603 L604 L900 3 3V Check the both U601 U602 LVDS Input pin 31 45mhz 65mhz and pin 27 Vsyn freq pin 28 45khz 65 khz Yes Voltage normal Yes Frequ...

Страница 18: ...and crystal OK Check U302 MCU pin 43 42 41 40 39 at High state 5V without press any key Mechanical was stuck Check NG NG If still no Led green indicator check Q102 R106 LED at keyboard cold solder or...

Страница 19: ...U200 Gmzan2 was shut down and only U302 MCU still working that means the monitor is in power saving status all power system is working well OK Check U304 pin 2 is a stable rectangle wave Around 150k...

Страница 20: ...your noise only exist in one mode only ex only at 1280x1024 75 Hz other is normal OK OK Yes has extension NG interferences still exist NG NO additional extension cable That was cause by you VGA CARD...

Страница 21: ...ightness maximal RGB 50 Quit from OSD screen measured Y luminance With chroma 7120 check Y 240 10 cd m2 NG If the Y less than 200 cd m2 after the contrast brightness max then change the LAMP of panel...

Страница 22: ...NO SM02B BHSS 1 TB PIN SYMBOL DESCRIPTION 1 HV OUTPUT Input H V to lamps 2 RETURN Return to control C FUNCTION SPECIFICATIONS The data test with the set of SAMPO DC TO DC CONVERTER ROOM TEMPERATURE 2...

Страница 23: ...22 D FUNCTION TEST CIRCUIT CON1 1 2 3 4 5 120K 120K 120K 120K 10 10 10 10 VT 181 1 2 1 2 VT 181 VT VT 1 2 1 2 CON2 CON3 CON4 CON5 All manuals and user guides at all guides com...

Страница 24: ...D F1 4 0A 63V TO CHECKED Q4 Q6 VOUT 9V TO CHECKED L1 L2 INPUT 9V TO L1 OR L2 TO CHANGED CH1 Q4 Q3 Q11 CH2 Q5 Q6 Q12 TO CHANGED CH1 Q7 Q8 D12 PT1 CH2 Q9 Q10 C13 PT2 FUNCTION TEST OK 1 SHORT R30 OPEN LO...

Страница 25: ...IP THE OSCILLATOR FREQUNCY RANGE 150 250 KHZ TO CHANGE C6 CHIP OR IC CHIP FUNCTION TEST OK IF ENABLE ABNORMALITY 1 TO CHECK IC PIN 9 TURN ON HAVE 12 VOLTAGES TO CHANGE ON Q1 Q2 FUNCTION TEST OK IF DIM...

Страница 26: ...2 AC VTVM VT 181E 3 DIGITAL MULTIMERTER MODEL 34401 4 HIGHTVOLT PROB MODEL 1137A 5 SCOPE MODEL V 6545 IF TRANSFORMER ABNORMELITY TO CHECK C3 C4 CHIP OUTLINE OR TRANSFORMER TO CHANGE C3 C4 OR TRANSFORM...

Страница 27: ...26 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY All manuals and user guides at all guides com...

Страница 28: ...1TKK426C Stand 705L782KB34008 Stand Assy 1 34L919 AM B Stand 1 15L5711 1 Plate 1 Q1L1030 10 47 Screw 2 12L381 1 Foot Pad 4 37L448 1 Hinge 1 33L4345 AM L Dust Cover PE 1 34L918 AM B Dust Cover Stand Ba...

Страница 29: ...3911TKK425J CN603 33L801724A H Connector Panel 1 17 3911TKK425K CN302 33L3802 9H Connector Key 1 18 3911TKK425L Cn303 33L3802 5H Connector Inverter 1 Screw Assy M1L330 6 128 Screw 10 M1L1030 10 128 S...

Страница 30: ...system LM2596S 5 12V to 5V 5A SPEC 5V To CPU Eeprom 24c21 control inverter on off 860mA when Cable not Connected 841mA when Normal operation To Hyundai 300 Panel around 1450mA AIC1084 5V to 3 3V 5A SP...

Страница 31: ...connector Inverter connector MCU Panel Power Control AIC1084 5V to 3 3v LVDS power LT1117 5V to 3 3v LM2596 convert 12V to 5V Input Connector DDC chip RT9164 5V to 2 5v Audio connector All manuals and...

Страница 32: ...2002 Title Size Document Number Rev Date Sheet of RT9164 2 5V CRYSTAL2 50MHZ OUT VCC 2 5V 3 3V LM2596 5 0V 5 0V 12V 5V 5V 5V 3 3V ZAN2 SCALER TCLK1 3 3V MFB2 MFB7 MFB8 MFB9 HCLK HFS IRQ HDATA0 RST RST...

Страница 33: ...A ADC_GND2 ADC_GND1 SUB_GNDA ADC_GNDA ADC_BGNDA ADC_GGNDA ADC_RGNDA OSD_DATA3 OSD_DATA2 OSD_DATA1 OSD_DATA0 OSD_CLK OSD_VREF OSD_HREF OSD_FSW PD47 PD46 PD45 PD44 PD43 PD42 PD41 PD40 PD39 PD38 PD37 PD3...

Страница 34: ...TXO6 TXE5 PCLKB PD40 GND GND PD34 PD23 PD47 TXE0 TXO4 GND TX3 E PD4 TXO10 GND PD3 TXE9 TX2 E PD27 C605 10uF 16V EVEN TX0 E PD33 C613 10uF 16V TXE2 C606 0 01UF L601 BEAD 120 PHS PD26 PD12 PD30 100uF C6...

Страница 35: ...403 1K PS3 VR501 10 K OP W R239 4 7K OP HDATA0 C401 22uF R300 10 K R402 620 12V A5V U300 24LC04B 5 6 7 8 1 2 3 4 SI SCK WP VCC A0 A1 A2 VSS GND R321 0 OP GND C954 1000PF VGA_CON GND KEY 5V GND C316 22...

Страница 36: ...84 1 2 3 GND Vout Vin GND C952 1000PF GND GND GND 5V J1 12V POWER GND F A5V D5V JP301 1 2 3 D300 B320 U304 LM2596S 5 0 Si8050 TO263 1 5 4 3 2 VIN ON FBK GND Vout GND 5V U306 4431 1 2 3 4 8 7 6 5 S1 S2...

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