HPC LCDM707, LCDM917, PCM707 Schematic

HPC model Service Manual

Factory Model : 17”19”LCD MONITOR

TABLE OF CONTENTS

I． SAFETY PRECAUTIONS

II．PRODUCT SAFETY NOTICE

III．SERVICE NOTES

V． SERVICE TOOL & EQUIPMENT REQUIRED

VI． SPECIFICATIONS

VII．LCD MONITOR BLOCK DIAGRAM

VIII．TROUBLE SHOOTING FLOW CHART

IX . LCD MONITOR ADJUSTMENT

X． USER SAFETY NOTICE

HPC electronic(shenzhen)co.,LTD

January 2007

1

I．SAFETY PRECAUTIONS

This monitor is manufactured and tested on a ground principle that a user's safety comes first. However, improper use or
installation may cause damage to the monitor as well as to the user. Carefully go over the following WARNINGS before
installing and keep this guide handy.

WARNINGS:

1． This monitor should be operated only at the correct power sources indicated on the label on the rear end of the monitor. If
you're unsure of the power supply in your residence, consult your local dealer or power company.

2． Use only the special power adapter that comes with this monitor for power input.

3．Do not try to repair the monitor yourself, as it contains no user-serviceable parts. Only a qualified technician should repair
this monitor.

4．Do not remove the monitor cabinet. There are high-voltage parts inside that may cause electric shock to human bodies,
even when the power cord is unplugged.

5．Stop using the monitor if the cabinet is damaged. Have it checked by a service technician.
6 Put your monitor only in a clean, dry environment. If it gets wet, unplug the power cable immediately and consult your
service technician.

7．Always unplug the monitor before cleaning it. Clean the cabinet with a clean, dry cloth. Apply non-ammonia based cleaner
onto the cloth, not directly onto the glass screen.

8.Do not place heavy objects on the monitor or power cord.

II． PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them
cannot necessarily be obtained by using replacement components rated for higher voltages, wattage, etc. Before replacing any
of these components read the parts list in this manual carefully. The use of substitute replacement parts that do not have the
same safety characteristics as specified in the parts list may create shock, fire, or other hazards.

III．SERVICE NOTES

1． When replacing parts or circuit boards, clamp the lead wires around terminals before soldering.

2． When replacing a high wattage resistor (more than 1W of metal oxide film resistor) in circuit board, keep the resistor

about 5mm away from circuit board.

3． Keep wires away from high voltage, high temperature components and sharp edges.

4． Keep wires in their original position so as to reduce interference.

5． Usage of this product please refers to also user's manual.

V. SERVICE TOOL & EQUIPMENT REQUIRED

1. SIGNAL GENERATOR OR PC

2. SCREW DRIVER

3. IRON

4. ABSORBER

5. SOLDER

VI．SPECIFICATIONS

5.1 PRODUCT SPECIFICATIONS

LCD panel 17’’/19" TFT

2

Power management Energy Star compliant VESA

DPMS compatible

Displayable Resolution 1024 x 1280 75Hz (max.)
Pixel Dimension 0.264 (V) x 0.264 (H) mm /0.296(H) / 0.296(V) mm
LCD Display Color 8bit
Viewing Angle Horizontal: ± 80
Contrast Ratio 500 : 1
Brightness 300 cd/m2
Response Time 12ms
Active Display Area 337.920 (H) x 270.336(V) /376.32mm x 301.056mm

Temperature Operating 0°C ~ +35°C

Storage -20°C ~ +60°C
Compliance CE, FCC ,CB,CCC

Power Input Voltage AC 110-240V
Consumption 40w(max)
Audio 2w(L) + 1(R)

5.2 SUPPORTING TIMING CHART（timing chart）

o

H Vertical: ±80o V

MODE
L

support frequency

H-

ynnc（K

bandwidth

（MHZ）

Signal polarity

H V

HZ）

1 VGA 640 X 480 60Hz 31.47 25.175 - +

2 VESA 640 X480 72Hz 37.86 31.5 - +

3 VESA 640 X 480 75Hz 37.5 31.5 - +

4 VGA 720 X 400 70HZ 31.47 28.322 - +

5 VESA 800 X 600 60Hz 37.88 40 + +

6 VESA 800 X 600 72Hz 48.08 50 + +

7 VESA 800 X 600 75Hz 46.88 49.5 + +

8 MAC 832 X 624 75Hz 49.72 57.28 - +

9 VESA 1024 X 768 60Hz 48.36 65 - -

10 VESA 1024 X 768 70Hz 56.48 75 - -

11 VESA 1024 X 768 75Hz 60.02 78.75 + +

12 MAC1152X 870 75Hz 68.68 100 - -

13 VESA1280X1024 60Hz 60 108 + +

14 VESA1280 X 1024 75Hz 80 135 + +

5.3 Pin - Assignment of 15-pin D-sub:

CONNECTOR SIGNAL DESCRIPTION

1.RED 2.GREEN 3.BLUE 4.NC 5.GND

6.GND 7.GND 8.GND 9. NC 10.GND

3

11.NC 12.SDA 13.H.hync 14.V.hync 15.SCL

Check on/Off

Replacing AC Power

Check

VII: BLOCK DIAGRAM

VIII:TROUBLE SHOOTING FLOW CHART

7.1 No power.

Check peripheral
electrocircuit

NG

OK

Cn6 pin1 12V

OK

OK

NG

Check U2 mcu
touch area.

4

Check Y1

Check U2 on

3.3V

Check cn3

Rework cn10 to panel

Check Pcsignaland

others.

NG

OK

Replacing

ok

NG

Panel

7.2 No display

Check component on inverter
board.

NG

Replacing inverter

NG

Check power supply

NG

Check electrocircuit

OK

Replacing RTD2023Lor

Check cn6 5V For panel

OK

Check cn1 connectoru

OK

OK

Replacing scaler IC

Checkcn6 pin1 12v

NG

Rework the connecter

NG

Check circuitry

7.3 loss color .

NG

OK

Check R/G/B signal input

Check PC signal R/G/B

5

7.4 NO AUDIO

Open volume in
OSD,

OK

Check 12V on
U8
pin15/pin16,and

5.5v on pin14/17

Check .signal wave

NG

Check CN8
connector

OK

NG

Check pc audio
input

ok

NG

Replacing
TDA7496L

IX．Adjustment

8.1 Adjustment Conditions and Precautions:

1.1．. Power supply voltage:

OK

Replacin
g
speaker

6

AC 110/120V± 10% 60 Hz± 5%, AC 220/240V± 10% 50 Hz ± 5%.

1.2 Warm up time:
The display must be power ON for at least 30 minutes at full white pattern before starting alignments. This is especially
critical in color temperature and white balance adjustments.

1.3signal input
reference the front detail specifications and timing table.

8.2Adjustment procedure

2.1. Timing : 1280x1024@75Hz.

2.2 Pattern : Full white.

2.3 Set Chroma Color analyzer at the center of screen and along a perpendicular to the screen at 20cm from the display.

2.4. Under the normal display model ,press “Down” to close your monitor, then press Up to open it ,monitor will be into

factory preset mode, and pull out signal cable, will be BURN in mode.

2.5 .Select “9300” menu, adjust “red” until x=281±30, adjust “blue” until y=311±30. Then exit “9300” menu.

2.6 Select “6500” menu, adjust “red” until x=313±30, adjust “blue” until y=329±30. Then exit “6500” menu.

2.7 DC ON/OFF again, monitor will be exit factory mode menu.

2.8.On the OSD menu, color temperature set to 6500.

2.9. Change each mode on the timing table in turns and execute the “Auto Adjust ” function, then all the data of the each mode
will be auto saved after finish the “Auto Adjust “ function.

X． Notice

9.1 I feel very thankful for buying our LCD products,and you can regard our repairing rules as your reference ;if we have

changed our repairing rules ,you will not be told again .Also, the eaxt repairing regulations should be in accordance with the

attched materials (include the product spcfication and use regulation)

9.2 The monitor has no any repairing material ,if you want to get service,please get in touch with local

agent, or dail our free telephone: [phone]

9.3 The ultimate explanation right of the repairing spcefication should be owed by the R&D Center of Hui

Pu Electronics (Shen Zhen) Co.Ltd .

HPC electronic(shenzhen)co.,LTD

January 2007

7

A

B

C

D

E

RTD_3.3DVCC

PH2.0_8A
CN1

1

1

4 4

3

3

5

5

7

7

9

9

10

2

2

4

4

6

6

8

8

10

12DVCC

BKLT-VBRI

BKLT-EN

CN44

1
2
3
4
5
6
7
8

PWM
INVEN
GND
5V
5V
GND
12V
GND

BKLT-VBRI
BKLT-EN

12DVCC

L1

FEB/1206

C1

100uF_16V

HEADER2.54_5*2AW

3.3VCC
5DVCC

3 3

R3
330

23

1

Q4

23

PMBT3906

R8 4.7K

1

R10 4.7K

LED2

LED1

BKLT-VBRI

R2 2K

C5

PMBT3904

Q1

Q2

PMBT3906

1uF

LEDR

R4

2 2

330

R1

4.7K

R5 4.7K

1

2 3

LEDG

CN2
PH2.0_9A

1

R15 100

2
3
4
5

1 1

6
7

R17 100
R18 100
R14 100
R16 100

LEDR

POWER

LEDG

DOWN

UP

EXIT

MENU

8
9

+

5DVCC

INVON

5DVCC

U1 AP1117CY_3.3

3

C3

0.1uF

7
6
5
4
3
2
1

CN1
PH2.0_7A

VBRI

Title

VIN

VOUT

GND

1

12V
5V
5V
GND

BKLT-VBRI

PWM
GND

BKLT-EN

INVEN

R9 100

R12 NC/100

R13 NC/0

2

12DVCC

NC/3904

C7

0.1uF

R6
NC/4.7K

1

Q5

2 3

PM023L HPC

3.3VCC

+

1

Q3
3904

C2
100uF_16V

2 3

3.3VCC

DGND

5DVCC

5DVCC

R7
2K

BKLT-EN

C6

0.1uF

Size Document Number Rev

A

Date: Sheet

A

B

C

D

POWER

16Monday, January 16, 2006

of

E

1.1

A

B

C

D

E

3.3VCC

182736

45

RP1

4.7K_4

R22

INVON

4 4

VBRI

VOLADJ

EXIT

MENU

C4
100nF

MCU_VCC

R21

4.7K

4.7K

182736

45

POWER
LED1
LED2

182736

RP3

4.7K_4

45

1

3.3VCC

AUDIO_MUTE

3 3

RTD_RSTOUT

DDC1_SCL

R24 100

2
3
4
5
6
7

R26 100

RP4

4.7K_4

182736

45

8

9
10
11

DDC1_SDA

12

3.3VCC

48

DA5/P5.5
P5.6/HSCL2
P5.7/HSDA2
RST
HSCL1/RXD/P3.0
NC
NC
HSDA1/TXD/P3.1
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1

DA4/P5.4

P7.6/CLKO2

13

2 2

46

47

DA2/P5.2

DA3/P5.3

X2

P7.7

15

14

45

DA0/P5.0

DA1/P5.1

MTV512_LQFP

U2

MTV512MG

VSS

X1

17

16

434244

NC

NC

NC

NC

19

18

4140393837

P1.1

VCC

P1.2

P1.0/ET2

P6.6/CLKO1

P6.0/AD0

P6.1/AD1

P6.2/AD2

P6.3/AD3

2021222324

DOWN

P1.3

P6.4

P1.4
P1.5
P1.6
P1.7

VSYNC

P6.7

P6.5

36
35
34
33
32

NC

31

NC

30

NC

29

NC

28
27
26
25

R23

4.7K

UP

3.3VCC

RP2

4.7K_4

PANELPOWER_ON/OFF
IICSDA
IICSCL

RTD_SD3/SDI

3.3VCC

R25
1K

R27 0

RTD_SCSB
RTD_SCLK

CRYSTAR_OUT

C8
NC/10pF

IICSDA
IICSCL

RTD_SD3/SDI

VOLADJ

R28 100
R29 100

R37 4.7K

3.3VCC

C9
100nF

U3

8

5DVCC

5

SDA

6

SCL

4

GND

FM24C08 (SMD)

TEST

7
3

A2

2

A1

1

A0

5DVCC

R33
2K

R35

2K

VOL_ADJ

Q7

1

3904

C12
1uF

2 3

Y124MHz

5DVCC

MUTE_AU

UP
DOWN
EXIT
MENU
POWER
LED2
LED1

CRYSTAR_OUT

PANELPOWER_ON/OFF

UP
DOWN
EXIT
MENU
POWER
LED2
LED1

CRYSTAR_OUT

PANELPOWER_ON/OFF

R30

C10
22pF

Closed to MCU

6.8K/nc
C11

22pF

R31

4.7K

C49
100nF

R32

4.7K

3.3VCC

C48
100nF

AUDIO_MUTE

R36

4.7K

R34

4.7K

Q6

1

3904

2 3

DDC1_SDA
DDC1_SCL

1 1

VBRI

VOL_ADJ

A

DDC1_SDA
DDC1_SCL

VBRI

VOL_ADJ

Title

Size Document Number Rev

B

Date: Sheet

B

C

D

PM023L HPC

MCU

1.1

26Monday, January 16, 2006

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E

5

4

3

2

1

L3 FEB_0603 5ohm

R39 100

RTD_H
RTD_V

R41 100

D D

D1

NC/UDZ5.6B

D2

NC/UDZ5.6B

R42

2K

R43
2K

CN3

DDC1_SCL

DDC1_SCL
DSUB_V

DDC1_SDA

C C

DDC1_SDA

DDCSCL

VSIN

HSIN

DDCSDA

NC

15
14
13
12
11

DGND

5

CONNECT

10

NC

4

VGA5V

9

VGA_B+

3

VGA_B-

8

VGA_G+

2

VGA_G-

7

VGA_R+

1

VGA_R-

6

C16
47pF

C17
47pF

VGA_B+DSUB_H
VGA_B­VGA_G+
VGA_G­VGA_R+
VGA_R-

VGA_B+

VGA_B-

VGA_G+

L2 FEB_0603 19ohm

R40
75

L4 FEB_0603 19ohm

R48

C14
5pF

C20

R38 100

R44 100

R45 100

R47 100

R46 10M

C13 47nF

C15 47nF

C18 47nF

C19 47nF

RTD_B+

RTD_B-

RTD_SOG

RTD_G+

RTD_B+

RTD_B-

RTD_SOG

RTD_G+

VGA_CON15

75

VGA_G-

GND
VGA CON
VGA SCL
VGA VS
VGA HS
VGA SDA
GND
VGA B
GND

B B

VGA G
GND
VGA R

10
11

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10
11

DSUB_V
DSUB_H

VGA_B+
VGA_G+
VGA_R+

DDC1_SCL

DDC1_SDA

VGA_R+

VGA_R-

L5 FEB_0603 19ohm R50 100

R51
75

5pF

C23
5pF

R49 100

R52 100

C21 47nF

C22 47nF

C24 47nF

RTD_G-

RTD_R+

RTD_R-

RTD_G-

RTD_R+

RTD_R-

CN4
PH2.0_11AW

2

VGA_G+

3

D4
BAV99

1

2

VGA_B+

3

D5
BAV99

1

Title

PM023L HPC

VGA_R+

3

D3
BAV99

A A

1.8AVCC

1.8AVCC
2

1

Size Document Number Rev

A

Date: Sheet

5

4

3

2

INPUT

36Monday, January 16, 2006

of

1

1.1

5

RTD_B+
RTD_B­RTD_SOG
RTD_G+
RTD_G­RTD_R+
RTD_R-

D D

RTD_H
RTD_V

CRYSTAR_OUT

RTD_SD3/SDI

RTD_SCSB
RTD_SCLK

RTD_RSTOUT

RTD_B+
RTD_B­RTD_SOG
RTD_G+
RTD_G­RTD_R+
RTD_R­RTD_H
RTD_V

CRYSTAR_OUT
RTD_SD3/SDI

RTD_SCSB
RTD_SCLK

RTD_RSTOUT

RXO0­RXO0+
RXO1­RXO1+
RXO2­RXO2+

C C

RXOC­RXOC+
RXO3­RXO3+
RXE0­RXE0+
RXE1­RXE1+
RXE2­RXE2+
RXEC­RXEC+
RXE3-

4

CRYSTAR_OUT
DGND
RTD_V
RTD_H
RTD_B­RTD_B+
RTD_G­RTD_G+
RTD_SOG
RTD_R­RTD_R+

1
2
3
4
5
6
7
8

9
10
11
12

U4

XO
XI
PLL_GND
AVS/VCLK
AHS/V0
B-/V1
B+/V2
G-/V3
G+/V4
SOG/V5
R-/V6
R+/V7

3

PLL_VDD

3.3VRST_REF

48

47

PLL_VDD

33VRST_REF

RTD_RSTOUT

46

RESET_OUT

RTD_SCLK

RTD_SCSB

RTD_SD3/SDI

45

44

43

SCLK/PWM0

SCSB/PWM1/DDCSCL

RTD2023L

SDIO[3]/PWM2/DDCSDA

R1.8DVCC

42

VCCK

DGND

41

PGND

RXO0-

40

TXO0-

RXO0+

39

TXO0+

2

RXO1-

38

TXO1-

RXO1+

37

TXO1+

TXO2­TXO2+
TXOC-

TXOC+

TXO3­TXO3+

TXE0-

TXE0+

TXE1-

TXE1+

TXE2-

TXE2+

36
35
34
33
32
31
30
29
28
27
26
25

1

RXO2­RXO2+
RXOC-

RXOC+

RXO3-

RXO3+
RXE0­RXE0+
RXE1­RXE1+
RXE2­RXE2+

RXE3+

ADC_GND

ADC_VDD

PWM0/SDIO[3]

PWM1/DDCSCL/SCSB

PWM2/DDCSDA/SCLK

BJT_CTRL

VCCK

PGND

TXE3+

TXE3-

TXEC+

3.3VCC

3.3VCC

B B

C26

100nF

DGND

L6

FEB_0805

C25

+

22uF/16V

C27

0.1uF

PLL_VDD

DGND

13

DGND

14

R1.8DVCC

15

16

17

18

BJT_B

19

R1.8DVCC

20

DGND

21

RXE3+

22

RXE3-

TXEC-

23

24

RXEC-

RXEC+

3.3VCC

1

Q9

1.8AVCC

3

1.8AVCC

L7

FEB_0805

100uF/16V

R53
15K

R1.8DVCC

C28

+

C29

0.1uF

C45

0.1uF

DGND

4

3.3VRST_REF

3

Title

R55
33K

PM023L HPC

Size Document Number Rev

A

Date: Sheet

2

RTD2023L

46Monday, January 16, 2006

1

1.1

of

R54 NC/1K

3.3VCC

R56 0

BJT_B

1

Q8

A A

R57 0
R58 0
R59 0

2

PMBT3906

5

3

PMBT3906

2

5

4

3

2

1

PANELPOWER_ON/OFF

PANELPOWER_ON/OFF

PANEL_VCC

W/CMO Panel (LVDS)

LVDS Panel ( Normal Type )

D D

RXE3+

RXEC+

RXE2+
RXE1+

RXE0+
RXO3+

RXOC+

RXO2+
RXO1+
RXO0+

C C

3.3VCC

1

VCC

3

VCC

5

GND

7

E3+

9

EC+

11

E2+

13

E1+

15

GND

17

E0+

19

O3+

21

OC+

23

GND

25

O2+

27

O1+

29

O0+

CN5 HEADER_15*2W

L8 FEB/0805 NC

VCC
GND
GND

E3-

EC-

E2­E1-

GND

E0-

O3-

OC-

GND

O2­O1­O0-

2
4
6
8
10
12
14
16
18
20
22
24
26
28
30

RXE3­RXEC­RXE2­RXE1-

RXE0­RXO3­RXOC-

RXO2­RXO1­RXO0-

RXO0-

RXO0+

RXO1-

RXO1+

RXO2-

RXO2+
RXOC-

RXOC+

RXO3-

RXO3+

RXE0-

RXE0+

RXE1-

RXE1+

RXE2­RXE2+
RXEC-

RXEC+

RXE3­RXE3+

RPL1 NC/0
RPL2 NC/0

RXO0­RXO0+
RXO1­RXO1+
RXO2­RXO2+

RXOC­RXOC+
RXO3­RXO3+
RXE0­RXE0+

RXE1­RXE1+

RXE2­RXE2+
RXEC­RXEC+
RXE3­RXE3+

PANEL_VCC

L9 FEB/0805

C30

5DVCC

B B

100uF/16V

C31

0.1uF

DGND

CN6
30Pin FFC 1.0mm

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

C32
1uF

R61

R60

10K 1/16W

10K 1/16W

U5

1

S

2
3
4 5

D

S

D

S

D

GD

8
7
6

PANEL_VCC

Q10

1

PANELPOWER_ON/OFF

A A

1

PMBT3904

Q11

PMBT3904

2 3

CEM9435A

Title

2 3

PM023L HPC

Size Document Number Rev

A

Date: Sheet

5

4

3

2

05_Output

56Monday, January 16, 2006

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1

1.1

5

4

3

2

1

12DVCC

C35
100nF

C37

100nF

C34

100nF

11
12

16

VS

U6
TDA7496L

VAROUT_L

VAROUT_R

OUT_R

OUT_L

NC

5
8
7

14

C36
470uF_16V

C38
470uF_16V

OUTR

OUTL

CN7
PH2.0_4A

1

1

2

2

3

3

4

4

15

VS

4

IN_L

9

IN_R

STBY
MUTE

D D

C33
470uF_16V

L_IN

R_IN

MUTE_AU

VOL_ADJ

C C

1

1

2

2

3

3

4

4

L

R

C41

100nF

C42

100nF

6

VOLUME

C43

470uF_16V

SVR

10

+

GND

1172

GND

GND

3

GND

13

GND

18

GND

19

GND

20

C39

100nF

C40

100nF

CN9

PH2.0_4AW

R62 10K

B B

1
2
3
4

CN8

5

L

R63 10K

R

L_IN

R_IN

AUDIO JACK

R64

4.7K

R65

4.7K

A A

Title

PM023L HPC

Size Document Number Rev

Audio 7496L 1.1

A

5

4

3

Date: Sheet

2

66Monday, January 16, 2006

of

1