Proview UK513 User manual

UK513 1 / 26
UK513
Service Manual

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TABLE OF CONTENTS
WARNING--------------------------------------------------------------------------------------3
A. IMPORTANT SAFETY INSTRUCTION--------------------------------------3
B. SPECIFICATIONS ---------------------------------------------------------------------4
C. TIMING CHART------------------------------------------------------------------------5
D. ADJUSTMENT PROCEDURE-----------------------------------------------------7
E. TROUBLE SHOOTING HINTS---------------------------------------------------8
F. SPARE PARTS LIST------------------------------------------------------------------12
G. BLOCK DIAGRAM------------------------------------------------------------------ 20
H. EXPLODED DIAGRAM------------------------------------------------------------21
I. SCHEMATIC DIAGRAM----------------------------------------------------------22
J. PCB LAYOUT DIAGRAM---------------------------------------------------------23

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WARNING
To prevent from fire or shock hazard,do not expose monitor to any rain or any form of water.High voltage is
inside the monitor so please do not remove the back cover of the cabinet if you are not a qualified monitor
engineer.Contact the local dealer or the nearest Proview branch office if you need help.
A. IMPORTANT SAFETY INSTRUCTION
Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in
the user's manual for this product.
1. Read all of these instructions.
2. Save these instructions.
3. Follow all warnings and instructions marked on the product.
4. Unplug this product from the wall outlet before cleaning.Do not use liquid cleaner or aerosol
cleaner, use a damp cloth for cleaning.
5. Do not use this product near water.
6. Do not place this product on an unstable cart,stand or table.The product may fall,causing serious
damage to the product.
7. Slots and openings in the cabinet and the back or bottom are provided for ventilation,to ensure
reliable operation of the product and to protect it from overheating.Those openings must not be
blocked or covered.The openings should never be blocked by placing the product on a bed,sofa, rug,
or other similar surface.This product should not be placed in a built-in installation,since proper
ventilation is provided.
8. This products should be operated with the type of power source indicated on the marked label.
If you are not sure of the type of power is available, consult with your dealer or local power company.
9. This product is equipped with a 3-wire grounding type plug,a 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 damage 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. Never push any kinds of objects into this product through cabinet slots as they may touch dangerous
voltage points or short out parts that could result in a risk of fire or electric shock.Never spill any kinds
of liquid on the product.
12. Do not attempt to service this product yourself,as opening or removing covers may expose you to
dangerous voltage points or other risk.Refer all servicing to service personnel.
13. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the
following conditions.
a. When the power cord or plug is damaged or frayed.
b. If liquid has been spilled into the product.
c. If the product has been exposed to rain or water.
d. If the product does not operate normally,when the operating instructions are followed.Adjust
only those controls involved in the operating instructions ,since improper adjustment of
other controls may result in damage and will often require extra work by a qualified
technician to restore the product to normal operation.
e. If the product has been dropped or the cabinet has been damaged.
f. If the product exhibits a distinct change in performance,indicating a need for service.

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B. SPECIFICATIONS
Panel General Specification
Panel Model NEC SVA150XG03TB
Screen Diagonal 15” TFT
Active Display Area 304.1mm (H) x 228.1mm (V)
Pixel Pitch 0.297(H) x 0.297(V) mm
Number of Colors 262K colors
View Angle
Horizontal
Vertical
+/-60 degree
+40/-60 degree Typical
Luminance of White 250cd/m²(Typical)
Contrast Ratio (Typical) 400:1
Maximum Resolution 1024 x 768 @ 75Hz
Recommend Resolution 1024 x 768 @ 75Hz
Synchronization Range
Horizontal
Vertical
30 – 60 KHz
60– 75 Hz
Pixel Rate 80 MHz
User Control 5 Key Switch
OSD Function Brightness, Contrast, H-position, V-position, H-size,
Phase, Reset, Color selection (R, G, B, cool, warm), OSD ,
Language, Exit, Auto
Power Source 90 – 264 Vac 60 / 50 Hz
Power Consumption 36 W (max.)
Connection Type 15 Pin D-Sub Type;
Input Signal
Video
Sync.
Analog R.G.B. , 0.7Vp-p / 75 Ohm
TTL level,positive or negative polarity
Color Temperature Cool / Warm / user mode
Dimension (WxHxD) 344..4 x 332.7 x 166.0 (mm)
Monitor Weight 2.7 kg
Base Operation
Tilt
-5 / + 15 degree
Power Saving
ON
Sleep mode
OFF
＜36W
＜3W
＜3W
Signal Connector Pin Assignment
D-SUB Pin
1.Red Video 6. Red Ground 11. GND
2.Green Video 7. Green Ground 12. SDA For DDC2B
3.Blue Video 8. Blue Ground 13. H-sync.
4.GND 9. VCC +5V 14. V-sync-DDC1
5.Self Test 10. Sync. GND 15. SCL For DDC2B
Sound Output No Audio

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C . TIMING CHART
Video A: Period
D B E B: Active
C: Sync Width
Sync. D: Back Porch
C A E: Front porch
Preset
Modes
VGA
720X400
VGA
640X480
VESA
640X480
VESA
640X480
VESA
800X600
VESA
800X600
VESA
800X600
VESA
800X600
Pixel Rate 28.322MHz 25.175MHz 31.500MHz 31.500MHz 36.000MHz 40.000MHz 50.000MHz 49.500MHz
F.H 31.469KHz 31.469KHz 37.861KHz 37.500KHz 35.156KHz 37.879KHz 48.077KHz 46.875KHz
A-period 31.777us 31.778us 26.413us 26.667us 28.444us 26.400us 20.800us 21.333us
B-Active 25.422us 25.422us 20.317us 20.317us 22.222us 20.000us 16.000us 16.162us
C-
Sync.width 3.813us 3.813us 1.270us 2.032us 2.000us 3.200us 2.400us 1.616us
D-Back
Porch 1.907us 1.589us 3.810us 3.810us 3.556us 2.200us 1.280us 3.232us
E-Front
Porch 0.635us 0.954us 1.016us 0.508us 0.666us 1us 1.12us 0.323us
F . V 70.087Hz 59.941Hz 72.810Hz 75.000Hz 56.250Hz 60.317Hz 72.188Hz 75.000Hz
A-Period 14.268ms 16.683ms 13.734ms 13.333ms 17.778ms 16.579ms 13.853ms 13.333ms
B-Active 12.711ms 15.253ms 12.678ms 12.800ms 17.067ms 15.840ms 12.480ms 12.800ms
C-
Sync.width 0.064ms 0.064ms 0.079ms 0.080ms 0.057ms 0.106ms 0.125ms 0.064ms
D-Back
Porch 1.112ms 0.794ms 0.528ms 0.427ms 0.626ms 0.607ms 0.478ms 0.448ms
E-Front
Porch 0.381ms 0.572ms 0.449ms 0.026ms 0.028ms 0.026ms 0.77ms 0.021ms
H/V
SYNC － ＋ － － － － － － ＋ ＋ ＋ ＋ ＋ ＋ ＋ ＋
Interlaced NON NON NON NON NON NON NON NON

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Preset
Modes
VESA
1024X768
VESA
1024X768
VESA
1024X768
Pixel Rate 65.000MHz 75.000MHz 78.750MHz
F.H 48.363KHz 56.476KHz 60.023KHz
A-period 20.677us 17.707us 16.660us
B-Active 15.754us 13.653us 13.003us
C-Sync.width 2.092us 1.813us 1.219us
D-Back
Porch 2.462us 1.920us 2.235us
E-Front
Porch 0.369us 0.321us 0.203us
F . V 60.004Hz 70.069Hz 75.029Hz
A-Period 16.666ms 14.272ms 13.328ms
B-Active 15.880ms 13.599ms 12.795ms
C-Sync.width 0.124ms 0.106ms 0.050ms
D-Back
Porch 0.600ms 0.513ms 0.466ms
E-Front
Porch 0.062ms 0.054ms 0.017ms
H/V
SYNC － － － － ＋ ＋
Interlaced NON NON NON

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D. ADJUSTMENT PROCEDURE
ITEM
P
rogram Menu.
﹟Test Meter
﹡Test Point
﹫Pattern Operation
Check
Value
A
Power supply
Check
﹟Digital Voltmeter
﹡CN2
﹫Crosshatch Pattern
(1280x768, 60Hz)
1. Plug power cable into the LCD monitor directly.
2. Make sure the voltage of the power plug (CN2)
on the Power Board to the value shown at right.
220Vac
±0.2V
B
Power Saving
Check
﹟Wattmeter
﹟PC or Pattern
generator
﹫Crosshatch Pattern
(1280x768, 60Hz)
1. Unplug the signal cable into the monitor.
2. Turn the power switch of the monitor ON.
3. Check monitor power indicator light up blue
flashing every other second.
4. Make sure the wattmeter value shown at right.
5. OSD will be display “NO SIGNAL” Picture.
‹ 3W
C
Into Factory
mode
﹟PC or Pattern
generator
﹫Crosshatch Pattern
(1280x768, 60Hz)
1. Hold Down key,then turn the power switch of the
monitor OFF.
2. Hold Up key,then turn the power switch of the
monitor ON.
3. You can enter factory adjustment mode.
D
Auto mode
Check
﹟PC or Pattern
generator
﹫Crosshatch Pattern
(1280x768, 60Hz)
1.Press and release the Auto key to adjust display
mode to its utmost performance according to VGA
setting.
E
White
Balance
Adjust
﹟PC or Pattern
generator
﹫White Pattern
(1280x768, 60Hz)
1. Move the OSD to the COLOR mode (AUTO COLOR).
2. set color is Cool using the OSD,Check the value
shown at right.
Y= 200±20cd/m^2 x= 0.283±0.02 y= 0.297±0.02
3. set color is Warm using the OSD,Check the value
shown at right.
Y= 200±20cd/m^2 x= 0.313±0.02 y= 0.329±0.02
F
OSD
Language
Setting
﹟PC or Pattern
generator
1. Move the OSD to the OSD setting mode
2. Move the OSD to the LANGUAGE mode.
3. You can choose one of the language you need.

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E . TROUBLE SHOOTING HINTS
NO NO
YES YES
YES YES
NO NO
High Voltage !
NO
YES YES
NO NO
YES
No Displa
y
( Black )
LED ON ?
Push the power
ON/OFF switch
LED Color
change ?
Check main
board
CON1/Pin1
Hi / Lo under
push power
sw?
Back light
ON? To Step 2
Make sure the
connection of
power board is
fine
+12V ?
Check the
CN1/Pin1,2 of
p
ower board
Check
Power board
B
Display ?
Nice Job !
A
To Step 2
Power
Supply ? Change
power
board

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NO
YES
YES
NO
YES
NO
B
Hi / Lo under
push power sw?
Change the
power board
Display ? Nice Job !
To Step 2
A
Check the
connection o
f
control cable
Display ?
Nice Job !
Change the
main board
Change the
main board
Check the main
board 100-240V
in
p
ut?
Check the main
board +5.0 V ? Check
I1,I2
Check
CN1/Pin1,2
NO
NO
YES
C
YES

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NO
YES
NO
YES
NO
YES
NO
Check the main
board 3.3V input ?
Check H/V
input Signal ? Check
CN2/Pin25,27
Check
I2
Check 1.8V
Input
Display ?
Nice Job !
Change
Signal Cable
YES
Check
I1
C

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NO
YES
NO
YES
NO
YES
NO
YES
No display
(White)
Check the main
board 5V ?
+3.3V ?
H/V Input
Signal ?
Check
Signal input
Display ?
Nice Job !
Change
Signal Cable
Check
Power Board
Check
U1

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F. SPARE PARTS LIST
Main Board/ Control Board
No. Parts Number Parts Description Unit Q'ty Location
1 281-031-39004 SMD 390ohm 0603 +-1% EA 1 R40
,
2 281-031-75R04 RES 75 1% 1/10W 0603 SMD. EA 3 R29
,
R32
,
R36
,
3 281-035-0R04 RES 0ohm 5% 1/10W 0603 SMD. EA 2 R3
,
R39
,
4 281-035-1004 RES 10ohm 5% 1/10W 0603 SMD. EA 1 R41
,
5 281-035-1014 RES 100ohm 5% 1/10W 0603 SMD EA 4 R66
,
R67
,
R213
,
R4
,
6 281-035-1024 RES 1K 5% 1/10W 0603 SMD. EA 4 R5
,
R14
,
R69
,
R70
,
7 281-035-1034 RES 10K 5% 1/10W 0603 SMD. EA 11 R21,R23,R42,R64,R65,R68,R72,R19,R20,
R207
,
R47
,
8 281-035-1044 RES 100K 5% 1/10W 0603 SMD. EA 1 R6,
9 281-035-1824 RES 1.8K 5% 1/10W 0603 SMD. EA 2 R17,R22,
10 281-035-2004 RES 20 5% 1/10W 0603 SMD. EA 3 R28,R31,R35,
11 281-035-2224 RES 2.2K 5% 1/10W 0603 SMD. EA 2 R24
,
R204
,
12 281-035-2234 RES 22K 5% 1/10W 0603 SMD. EA 1 R13
,
13 281-035-3304 RES 33ohm 5% 1/10W 0603 SMD. EA 4 R211
,
R212
,
R26
,
R27
,
14 281-035-3314 RES 330ohm 1/10W 0603 SMD. EA 2 R62
,
R63
,
15 281-035-3324 RES 3.3K 5% 1/10W 0603 SMD. EA 1 R208
,
16 281-035-3334 RES 33K 5% 1/10W 0603 SMD. EA 2 R206
,
R1
,
17 281-035-4704 RES 47ohm 5% 1/10W 0603 SMD. EA 7 R30
,
R34
,
R37
,
R43
,
R44
,
R45
,
R46
,
18 281-035-4714 RES 470ohm 5% 1/10W 0603 SMD. EA 1 R33
,
19 281-035-4724 RES 4.7K 5% 1/10W 0603 SMD. EA 2 R2
,
R16
,
20 281-035-8224 RES 8.2K 5% 1/10W 0603 SMD. EA 1 R74
,
21 281-075-0R04 RES 0ohm 5% 1/4W 1206 SMD EA 2 D11
,
D12
,
22 282-103-2454 RES-NET 10Kohm 5% SMD 8P4R. EA 6 RN12,RN13,RN14,RN15
,
RN6
,
RN5
,
23 282-220-2454 22X4 +-5% 1/10W SMD 8P4R EA 2 RN10
,
RN11
,
24 285-056-B160C SMD VARISTOR SIZE 0603 5.6V 30PF EA 8 D4
,
D7
,
D9
,
D8
,
D101
,
D3
,
D5
,
D6
,
25 330-100-16253-
W EC 10uF 16V 105°C M TP MI 4*5 EA 7 TC7
,
TC9
,
TC8
,
TC10
,
TC11
,
TC12
,
TC14
,
26 330-221-16203-
W1 EC.220uF/16V 105°C Φ6*11 EA 3 TC3
,
TC4
,
TC6
,
27 330-470-16273-
W EC.H7mm 105°C 47uF/16V EA 2 TC1,TC2,
28 381-102-
035054H
NPO 1000P/50V +-5% 0603 SMD FOR
RoHS EA 1 C23,
29 381-220-
032554H
SMD CC 22pF 25V NPO 0603. FOR
RoHS EA 4 C49
,
C52
,
C66
,
C68
,
30 385-104-
032584H
Y5V 0.1u/25V +80%-20% 0603FOR
RoHS EA 35
C1,C2,C4,C6,C7,C11,C12,C13,C14,C15,C17
,C32,C33,C34,C35,C36,C37,C38,C39,C40,
C41,C42,C43,C44,C45,C46,C47,C48,C53,
C54
,
C56
,
C59
,
C3
,
C64
,
C65
,
31 385-105-
031684H
Y5V 1uF/16V +80-20% 0603. FOR
RoHS EA 6 C5
,
D31
,
D32
,
D33
,
D34
,
D35
,
32 385-473-
032584H
Y5V 0.047u/25V +80%-20% 0603FOR
RoHS EA 6 C19
,
C21
,
C22
,
C25
,
C26
,
C31
,
33 401-270-0205 TACT SW 2P 6*3.5 H 5.0 180
g
EA 5 S1
,
S2
,
S3
,
S4
,
S5
,
34 481-LCC-0440 SOCKET 44PIN PLCC. EA 1 U5
,
35 483-302-2388 2.5P 254FH15 1S H8.50mm EA 1 CN1
,

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36 506-0AI-18CE AIC 1084CE 1.8V T0252 SMD. EA 1 I1
,
37 506-0AI-C1084 SMD REG.AIC1084CM 3.3V 5A. EA 1 I2
,
38 506-10E-8050I
Q
MXIC MX10E8050I
Q
C PLCC44 EA 1 MCU
,
39 506-524-LC21-S MEMORY IC 24LC21 SMD .ST EA 1 U2,
40 506-5NM-24C16 24C16 SO8 MEMORY IC SMD. EA 1 U4,
41 506-MST-
TSU16AK
SMD MST TSU16AK LVDS+RSDS VGA
ONLY EA 1 U3,
42 518-02N-3904 TR NPN PMBS3904 40V 100mA EA 6
Q
1
,Q
2
,Q
7
,Q
4
,Q
6
,Q
203
,
43 518-02N-3906 TR PNP PMBS3906 40V 100mA EA 1
Q
204
,
44 518-1CE-9435 MOSFET CE9435A S08. EA 1 U1
,
45 520-005-G317-F LED 3D2P EA 1 D1
,
46 528-2BA-T54C SMD DIODE BAT54C SOT23. EA 1 D1
,
47 528-R1N-4148 DIODE 1N4148 SOT-34 SMD. EA 1 D10,
48 531-110-49US 11.0592MHZ HC 49US CRYSTAL. EA 1 Y1,
49 531-143-49US-2 KTS
Q
YSTAL 14.318MHZ. 20PF EA 1 X1,
50 558-352-5000 SMD FUSE 1206 24V 5A. EA 1 F1,
51 600-151-5100B POWER CORD 3P BALCK1.5M EA 1
52 610-151-28G9-A VGA Pi
g
tail 1.5M WITHOUT AUDIO EA 1
53 630-008-1009 BASE 8P.180° EA 1 C0N1
,
54 630-008-C001 JST 1.5mm HEADER ZR S8B-ZR. EA 1 J1
,
55 630-026-S2006 BASE 2.0 26P /JWTA2006 EA 1 JP1
,
56 630-028-1008S BASE 28PIN EA 1 CN2
,
57 631-020-J572-2 20PIN 1.25PITCH->26PIN 2.0 PITCH EA 1
58 631-C08-8M713 M713 8P2.0-1.5 290 +CORE EA 1
59 640-003-0005 SHRINK TUBE 5mm Φ3mm EA 1
60 701-150-V002 15"NEC PANEL B/L EA 1
61 705-550-502V 15"NEC PANEL(PTS B/L) Response
time25 EA 1
62 707-250-3001-Z 15"NEC PANEL BACKBRIGHT BOARD
PMMA VH5-000 EA 1
63 780-103-3000CA BEAD FCM1608K-300T07 HILISIN EA 3 FB4,FB5,FB6,
64 780-104-600C30 SMD BEAD 0805 60Ω/100MHz 3A
HILISIN EA 9 FB1,FB3,FB7,FB8,FB9,FB10,FB11,FB12,L 1
65 860-ALZ-M513 M513 POWER 3in1 AU 2L EA 1
66 899-01F-M513-A MSTAR TSU16AK LVDS PIGTALL
REV:A EA 1
67 899-400-PZ456 PZ-456 KEY BOARD WITH GREEN
LED EA 1

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Power Board

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G. BLOCK DIAGRAM
VGA IN
R
G
B
Hsync
Vsync
SCL
SDA
A/D_BOARD
R
G
B
Hsync
Vsync
KEY
ON/OFF Right
Left
Right
Left
12V
5V
Bri control
SDA
SDA
DATA&CLK&VCC
LCD Panel
CCFL
DATA&CLK&VCC
CONTROL BOARD
KEY AUDIO OUT(OPTION)
Left
Right
AUDIO IN(OPTION)
Left
Right
Power Board
CCFL
220/110V
12V
ON/OFF
5V
Bri control
SPEAKER
INTERFACE