BenQ Q7C3 Service Manual Download

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GFILT

RTERM

A17

D 3

A16

D 7

D15

D 0

A11

D10

D 5

D12

A18

D 6

A14

D 4

D 8

D 1

A19

A13

D13

D 2

A10

A15

D14

A12

D11

D 9

X607

X608

MPV1

TESTEN

LV1

RDn

D CK

DCKO

D CK

DCKO

XCLK

D S3

XCLK

SD S1

DL EE

SD S0

D S3

SD SD

D[15:0]

A[19:1]

TMS

TDO

TCK

TDI

TRSTn

PV1

V33

3.3VADC3.3VADC

3.3VADC

V33

V18

3.3VDVI

V18

V18A

PVDD

PV1

3.3VDVI

3.3VADC

V33

GND

DCLK

EB4

EB3

EB5

EB2

EG5

EG4

EG3

EG2

ER5

ER4

ER3

ER2

OG3

OG2

OR5

OR4

OR3

OR2

RED+

GREEN+

BLUE+

RXCP
RXCM

RX2P
RX2M

RX1P
RX1M

RX0M

RX0P

ISOG

RXD

TXD

EEP_SDA
EEP_SCL

RESETn

NMI

ROMOEn
ROMWEn

BRT_ADJ

CS0n

DCLK_M

PD0
PD1
PD2
PD3
PD4
PD5
PD6

CS1n

VOL_ADJ

ER6

OB6

OG7

OG6

OR7

OR6

EB7

OB5

EB6

EG7

OB2

OB4

EG6

OG5

OB3

ER7

OG4

OB7

Title

Size

Document Number

R e v .

D ate:

Sheet

o f

Project Code

Reviewed By

Approved By

Prepared By

Model Name

P CB P/N

PCB Re v.

Benq Corporation

OEM/ODM Model Name

99.L9072.000-C3-304-001

INTERFACE BOARD

WAIT CHEN

DAVEN WU

48.L9001.S11

S11

ANGEL HU

<Size>

Q7C3

99.L9072.001

Tuesday, May 13, 2003

350ma max.

90ma max.

40ma max.

175ma max.

40ma max.

Sleep Mode 35ma

Sleep Mode 9ma max.

SS CIRCUIT

C44
0.1U K

C50
0.1U K

C60
0.1U K

C34

18P J

C54
0.1U K

C65
0.1U K

C37

18P J

R48 33

R39
3.3K

C45
0.1U K

C55
0.1U K

C38

18P J

R50 33

C66
0.1U K

FB7

OHM

L080

R36
3.3K

TP24

R41

1.5M

14.318MHZ

R33
3.3K

TP25

C41
0.1U K

Graphics and
Video Port

U6A

PW133-20Q

V656_0

V656_1

V656_2

V656_3

V656_4

V656_5

V656_6

V656_7

VPEN

VCLK

NC9

NC8

NC7

NC6

NC5

NC4

NC3

NC2

NC1

BLUE

SOG

GREEN

RED

FILTER

C46
0.1U K

C56
0.1U K

R42
0

R40

OPEN

R43

OPEN(10

)

R37
3.3K

C61
0.1U K

R44

OPEN(2

.2K)

C47
0.1U K

Display Port

U6B

PW133-20Q

DCLK

106

DCLKNEG

107

DVS

101

DHS

102

DEN

103

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

131

DGR1

130

DGR2

129

DGR3

128

DGR4

127

DGR5

126

DGR6

125

DGR7

124

DGG0

121

DGG1

120

DGG2

119

DGG3

118

DGG4

117

DGG5

116

DGG6

115

DGG7

114

DGB0

113

DGB1

112

DGB2

111

DGB3

110

DGB4

109

DGB5

108

DGB6

100

DGB7

C39

0.1U K

C42
0.1U K

C57
0.1U K

C67

0.1U K

C36
0.039U K

FB6

OHM

L080

FB8

OHM

L080

C51
0.1U K

FB5

OHM

L080

Power and Ground

U6D

PW133-20Q

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

104

VDDQ34

122

VDDQ35

133

VDDQ36

171

VDDQ37

186

VSSQ31

VSSQ32

VSSQ33

105

VSSQ34

123

VSSQ35

134

VSSQ36

172

VSSQ37

187

VDD11

VDD12

VDD13

135

VDD14

146

VDD15

173

VDD16

184

VSS11

VSS12

VSS13

136

VSS14

147

VSS15

174

VSS16

185

DPLLVDD1

165

MPLLVDD1

167

DPLLVSS1

166

MPLLVSS1

168

R35

C62
0.1U K

R49
OPEN(33)

R46

OPEN(2

.2K)

FB9

OHM

L080

FB3

80 OHM

L0805

C48
0.1U K

C58
0.1U K

C33

3900P K

FB2

OPEN(80 OHM)

L0805

C52
0.1U K

C40

0.1U K

C43
0.1U K

FB4

OHM

L080

C63
0.1U K

R47

OPEN(2

.2K)

R32
0

PW133
Misc

U6C

PW133-20Q

193

192

191

190

189

188

183

182

181

A10

180

A11

179

A12

178

A13

177

A14

176

A15

175

A16

164

A17

163

A18

162

A19

161

160

159

158

157

156

155

154

153

152

151

D10

150

D11

149

D12

148

D13

145

D14

144

D15

143

196

195

ROMOE

197

ROMWE

198

CS0

199

CS1

200

TESTEN

137

RESETB

132

RXD

TXD

PORTA0

208

PORTA1

207

PORTA2

206

PORTA3

205

PORTA4

204

PORTA5

203

PORTA6

202

PORTA7

201

TRST

142

TCK

141

TMS

140

TDI

139

TDO

138

NMI

194

169

170

C35

18P J

R34

C49
0.1U K

U11

MK1707S

CLKI

VDD

GND

CLKO

LEE

C59
0.1U K

C53
0.1U K

R38
3.3K

C64
0.1U K

R45

OPEN(2

.2K)

Summary of Contents for Q7C3

Page 1: ...rton Specification 7 2 3 3 Pallet Specification 8 2 3 4 Container Carrying Capacity 8 2 4 Electrostatic Discharge Requirements 8 2 5 Safety Requirements 8 2 6 EMI Requirements 8 2 7 Reliability 9 2 8...

Page 2: ...Audio Controls 16 5 Physical Specifications 17 5 1 Physical Dimension Appearance 17 5 1 1 Overall Dimensions 17 5 1 2 Outer Appearance 17 5 2 Construction and Materials on outer surface 17 5 3 Base 17...

Page 3: ...Cover Removal Access 18 6 4 Equipment Tools Required 18 6 4 1 Standard Test Equipment 18 6 4 2 Documentation 18 6 5 Electrical Emission and Energy Saving summary for TCO 03 18 6 5 1 Electrical Field A...

Page 4: ...formation display with 8 languages selection DPMS Display Power Management System Power on off indicator Audio speakers supported option High quality advanced zoom function Scaling function Tilt base...

Page 5: ...e major resonance dwell is required for each axis Total dwell time at each resonance point shall be 15 minutes B Random Vibration Frequency Hz Slope dB Oct Spectrum Level g2 Hz 5 100 0 0 015 100 200 6...

Page 6: ...A flat drop with impact on the front A flat drop with impact on the right A flat drop with impact on the left A flat drop with impact on the bottom A flat drop with impact on the top After test there...

Page 7: ...90 12 000 12 000 Width 2 330 2 330 2 330 Useable Interior Dimension Deducted pallet 130mm Operating space 50mm Height 2 100 2 100 2 405 b Air Transport Container 1 Container 2 Container 3 Container Ty...

Page 8: ...ischarge Requirements The subject product must withstand 8 KV for contact discharge and 15 KV for air discharge of Electrostatic Discharge and meet the acceptance criteria as specified IEC 801 2 2 5 S...

Page 9: ...O1043 1 For blends of plastics e g PC ABS all weight ratios are considered to be the same type of material 4 Painting of Plastic Plastic materials weighing more than 25 grams included in the VDU Diffe...

Page 10: ...O 3 BLUE VIDEO 4 GROUND 5 Cable Detect 6 RED GROUND 7 GREEN GROUND 8 BLUE GROUND 9 PC5V 10 SYNC GROUND 11 GROUND 12 SDA 13 H SYNC H V 14 V SYNC 15 SCL 3 1 1 2 Cable length 1600mm 20mm 3 1 2 Video sign...

Page 11: ...h 640x480 37 86 N 72 80 N 31 5 VESA 640x480 37 50 N 75 00 N 31 5 VESA 800x600 37 88 P 60 32 P 40 00 VESA 800x600 48 08 P 72 19 P 50 00 VESA 800x600 46 86 P 75 00 P 49 50 VESA 832X624 49 72 N 74 55 N 5...

Page 12: ...ency of vertical sync Fv is large than 77Hz c The frequency of horizontal sync Fh is large than 83KHz d The frequency of vertical sync Fv is large than 76Hz 3 3 Number of display colors 16M color numb...

Page 13: ...st 40W without audio Blue Normal off None or Only one exist 1W under 115Vac 2W under 264Vac Amber 3 sec 3 6 Specification of Inverter The backlight system is an edge lighting type with 4 CCFLs Cold Ca...

Page 14: ...ity Coordinates CIE Blue y 0 04 0 07 0 10 White x 0 28 0 31 0 34 Color Coordinates CIE White White y 0 30 0 33 0 36 White Luminance CCFL 7 0mA center cd m2 200 260 Luminance Uniformity Note 2 75 80 Cr...

Page 15: ...184 gray level 0 gray level 1 2 1 6 2 3 1 6 1 2 1 3 1 6 1 3 1 2 2 3 A A B B 184 gray level l LA LA l LA x 100 1 2 max LA and LB are brightness at location A and B l LB LB l LB x 100 1 2 max LA and LB...

Page 16: ...X 1024 pixels Maximum 2 Contrast ratio 250 Min 450 Typ 3 Response time 16 mS Typ 4 Viewing angle Up 70 Down 70 R L 70 At contrast ratio 10 5 CIE Coordinate White 0 31 0 33 0 03 0 03 at user mode 6 Dis...

Page 17: ...eviated labels 2 User s Controls standard print 5 5 Packaging 5 5 1 Carton Dimension 456mm W X423mm D X 146mm H LCD monitor 5 5 2 Shipping Weight 5 8kg LCD monitor 5 5 3 Shipping Container 1960 sets p...

Page 18: ...pter 6 4 2 Documentation A service manual will be available which covers all service requirements A users manual written in Japanese German Italian Spanish France and English will be available to ship...

Page 19: ...Q7C3 LCD Monitor Service Guide Engineering Specification 19 Fig 1 Physical Dimension Front View and Side view...

Page 20: ...17 M170EN05 V8 Q7C3 AUO 56 91L90 011 10 ASSY BZL T7032C Q7C3 FP767 12 60 L9001 061 11 ASSY UC ABSHB T7032C Q7C3 60 L9002 011 12 ASSY COLUMN ABS T7032C Q7C3 60 L9003 012 13 ASSY BKT MAIN Q7C3 AUSIP W S...

Page 21: ...Enter factory setting area press LEFT EXIT and then press SOFTPOWER 2 Setup input timing UVGA7 4 Grays pattern 3 Press AUTO waiting for press right message 4 Press RIGHT to Calibrate ADC 5 Setup input...

Page 22: ...Setup a PC with DDC card 2 Connect PC to monitor with a D sub signal cable 3 Please refer to the C212 for the correct EDID file 4 Runs the writing program to write the EDID file into EEPROM for analog...

Page 23: ...ain Data to NVRAM AA 4D Data checksum Write C2 Reddish B Gain Data to NVRAM AA 4E Data checksum Write C3 sRGB R Gain Data to NVRAM AA 5C Data checksum Write C3 sRGB G Gain Data to NVRAM AA 5D Data che...

Page 24: ...mode to User mode 1E 5A XX checksum Clear user area data 1F 5A XX checksum Off burn in mode CE 2 XX checksum Change Language Setting 66 0 7 XX checksum Read EEPROM Contrast A3 92 XX checksum Read EEPR...

Page 25: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 5 2 Dressing A Check the two spring on the BKT B Screws on the interface power board...

Page 26: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 6 C Plastic fixture on the interface board D Closing plastic on the BKT...

Page 27: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 7 E Tapes on backlight wire F Spring at the top of BKT...

Page 28: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 8 G Two gaskets at the bottom of BKT H Place D sub cover and its screw...

Page 29: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 9 I Backlight wire J Two screws on panel left side...

Page 30: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 10 K Two screws on panel right side L Two FFC cables fixed on panel socket...

Page 31: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 11 M Two speakers fixed on BZL N Spring on control board to contact panel...

Page 32: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 12 O Control board 3pin wire dressing P Contorl board 9pin wire dressing...

Page 33: ...Q7C3 LCD Monitor Service Guide Alignment Procedure 13 Q Paste aluminum tape on the backlight wire hole...

Page 34: ......

Page 35: ...the adjustable items and get some information about this monitor and the best function is to offer users an easy method to set all adjustable items well just by pressing one key we called it Auto key...

Page 36: ...ystem processing EEPROM is stored DDC data OSD common data and user mode data Flash Rom is stored the source code which is accessed by MCU to run program b IC introduction 1 DDC Display Data Channel f...

Page 37: ...djustable data and user settings 4 FLASH ROM To stored the source code which is accessed by MCU to run program A 2 Power board diagram Fig 1 1 EMI Filter This circuit fig 2 is designed to inhibit elec...

Page 38: ...D Monitor Service Guide Circuit Operation Theory 4 Fig 2 2 Rectifier and filter AC Voltage 90 264V is rectified and filtered by BD601 C605 See Fig 3 and the DC Output voltage is 1 4 AC input See Fig 3...

Page 39: ...e transformer During Q601 turn off period the stored energy is delivered to the secondary of transformer R607 C607 and D601 is a snubber circuit R615 is current sense resistor to control output power...

Page 40: ...et point falls below a given value The output power demand diminishes the IC automatically enters the so called skip cycle mode and provides excellent efficiency Fig 6 6 Feedback circuit PC123 is a ph...

Page 41: ...Out A Power IC Use ST POWER IC TDA7496 The IC are stereo Class AB output amplifiers with DC Volume control The devices are designed for use in TV and monitor but are also suitable for battery Fed por...

Page 42: ...oard are a push button and a LED a Push button It s a simple switch function pressing it for ON to do the auto adjustment function releasing it for OFF to do nothing c LED It indicates the DPMS status...

Page 43: ...ge 15V Input Current 2A max ON OFF Voltage 3 3V PWM Duty 3 3V 47KHz Output Requirement Max Output Current 15mA Min Output Current 6mA Lamp Working Voltage 600Vrms Open Lamp Voltage 1700Vrms Frequency...

Page 44: ...cuit Operation Theorem 3 1 ON OFF SWITCH The turn on voltage was controlled by R756 and R757 The inverter was turned on or off by the switching transistors Q761 and Q757 Also regulator IC751 is contro...

Page 45: ...765 decide the working frequency BLT_ADJ signal is from control board control pulse width then decide how much energy delivery to CCFL also decide CCFL brightness Q741 and Q742 be the buffer to rise t...

Page 46: ...e DC power inject Q759 or Q760 will turns on and the current Ic increases After a period the transistor will leave the saturation status and Vce increase The result causes the voltage of primary coil...

Page 47: ......

Page 48: ...EM ODM Model Name 99 L9072 000 C3 304 005 INTERFACE BOARD 1 7 TOM LONG DAVEN WU 48 L9001 S21 S21 ANGEL HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA Optical Points Screw Holes H4 HOLE V8 1 2...

Page 49: ...K R6 OPEN Q201 OPEN 2N3904 1 3 2 R3 OPEN C14 22U 16V 1 2 C201 OPEN 47U 16V 1 2 C9 OPEN 0 1U K C13 0 1U K C4 0 1U K R203 OPEN 100K C10 0 1U K C202 OPEN 47U 16V 1 2 R204 0 C11 0 1U K C12 22U 16V 1 2 R20...

Page 50: ...C28 47P 50V J R15 75 TP2 R27 2 2K DN4 BAV70LT1 2 3 1 R22 4 7K TP7 R20 100 C24 0 047U K Q2 2N3904 1 3 2 R301 0 R28 2 2K R25 10K U3 AT24C02A A0 1 A1 2 A2 3 VSS 4 VCC 8 WP 7 SCL 6 SDA 5 D1 TZMC5V1 1 2 C...

Page 51: ...S 102 DEN 103 DR0 98 DR1 97 DR2 94 DR3 93 DR4 92 DR5 91 DR6 90 DR7 89 DG0 88 DG1 87 DG2 86 DG3 85 DG4 82 DG5 81 DG6 80 DG7 79 DB0 78 DB1 77 DB2 74 DB3 73 DB4 71 DB5 70 DB6 67 DB7 66 DGR0 131 DGR1 130...

Page 52: ...L9072 000 C3 304 005 INTERFACE BOARD 5 7 TOM LONG DAVEN WU 48 L9001 S21 S21 ANGEL HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA R501 O PEN R54 3 3K R503 OPEN R502 O PEN C70 0 1U K IC1 MBM29L...

Page 53: ...HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA L5 240 OHM TP26 C72 100P 50V J R75 4 7K TP27 U8 74LCX244 1A1 2 1A2 4 1A3 6 1A4 8 2A1 11 2A2 13 2A3 15 2A4 17 OE1 1 OE2 19 1Y1 18 1Y2 16 1Y3 14 1Y...

Page 54: ...EN WU 48 L9001 S21 S21 ANGEL HU Size Q7C3 LG 99 L9072 001 0 Tuesday June 03 2003 NA R81 10K TP55 TP75 TP40 TP57 TP60 TP77 TP59 TP42 Q5 2N3904 1 3 2 TP79 TP62 C84 OPEN 47U 16V 1 2 TP61 TP80 TP44 CN2 20...

Page 55: ......

Page 56: ......

Page 57: ...OEM ODM Model Name 99 L9072 000 C3 304 001 INTERFACE BOARD 1 7 WAIT CHEN DAVEN WU 48 L9001 S11 S11 ANGEL HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA Optical Points Screw Holes H4 HOLE V8 1 2 3...

Page 58: ...R6 OPEN Q201 OPEN 2N3904 1 3 2 R3 OPEN C14 22U 16V 1 2 C201 OPEN 47U 16V 1 2 C9 OPEN 0 1U K C13 0 1U K C4 0 1U K R203 OPEN 100K C10 0 1U K C202 OPEN 47U 16V 1 2 R204 0 C11 0 1U K C12 22U 16V 1 2 R202...

Page 59: ...C28 47P 50V J R15 75 TP2 R27 2 2K DN4 BAV70LT1 2 3 1 R22 4 7K TP7 R20 100 C24 0 047U K Q2 2N3904 1 3 2 R301 0 R28 2 2K R25 10K U3 AT24C02A A0 1 A1 2 A2 3 VSS 4 VCC 8 WP 7 SCL 6 SDA 5 D1 TZMC5V1 1 2 C2...

Page 60: ...102 DEN 103 DR0 98 DR1 97 DR2 94 DR3 93 DR4 92 DR5 91 DR6 90 DR7 89 DG0 88 DG1 87 DG2 86 DG3 85 DG4 82 DG5 81 DG6 80 DG7 79 DB0 78 DB1 77 DB2 74 DB3 73 DB4 71 DB5 70 DB6 67 DB7 66 DGR0 131 DGR1 130 D...

Page 61: ...9 L9072 000 C3 304 001 INTERFACE BOARD 5 7 WAIT CHEN DAVEN WU 48 L9001 S11 S11 ANGEL HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA R501 O PEN R54 3 3K R503 OPEN R502 O PEN C70 0 1U K IC1 MBM29LV2...

Page 62: ...L HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA L5 240 OHM TP26 C72 100P 50V J R75 4 7K TP27 U8 74LCX244 1A1 2 1A2 4 1A3 6 1A4 8 2A1 11 2A2 13 2A3 15 2A4 17 OE1 1 OE2 19 1Y1 18 1Y2 16 1Y3 14 1Y4...

Page 63: ...DAVEN WU 48 L9001 S11 S11 ANGEL HU Size Q7C3 99 L9072 001 0 Tuesday May 13 2003 NA R81 10K TP55 TP75 TP40 TP57 TP60 TP77 TP59 TP42 Q5 2N3904 1 3 2 TP79 TP62 C84 OPEN 47U 16V 1 2 TP61 TP80 TP44 CN2 20K...

Page 64: ......

Page 65: ......

Page 66: ......

Page 67: ...on power No Does cable plugs in No Check all of wire then turn on power connector switch again Yes Does power stable No Check Power BD Yes Is LED light green orange No Check control BD Yes Is LED sta...

Page 68: ...ting 2 2 BUTTON function 2 1 Control Board OSD is not working Yes Is control BD connecting No Plug control BD then retry Yes Is bottom switch normally Yes Replace control BD then retry No Replace Cont...

Page 69: ...Q7C3 LCD Monitor Service Guide Trouble Shooting 3 3 OSD function OSD doesn t work Is control BD working No Replace control BD Check interface BD...

Page 70: ...again or checking I F BD Turn on level existed BLT_ON Insert them again Check CN752 CN753 was pluged properly Plug CN601 again or checking PW BD Replace IC751 Q751 Replace new fuse Replace new fuse C...

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