C9 SERIES
Service Manual
PROVIEW ELECTRONICS CO.,LTD
6F,No.1,Pau-Sheng Road,Yung-Ho City,Taipei 234,Taiwan
Tel : (886-2) 2231-6789 , Fax :(886-2) 2231-5678
TABLE OF CONTENTS
SERVICE WARNING
A. IMPORTANT SAFETY INSTRUCTION
B. SPECIFICATIONS
C. TIMING CHART
······································
D. CONTROL LOCATION
E. ADJUSTMENT CONTROL LOCATION
F. ADJUSTMENT PROCEDURE
G. BLOCK DIAGRAM
H. TROUBLE SHOOTING HINTS
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1
1
2
6
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7
8
9
12
18
I. REPLACEMENT PARTS LIST
J. CONDUCTION VIEW
K. SCHEMATIC DIAGRAM
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26
41
45
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
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.
Read all of these instructions.
1.
Save these instructions.
2.
Follow all warnings and instructions a marked on the product.
3.
Unplug this product from the wall outlet before cleaning.Do not use liquid cleaners or aerosol
4.
cleaners, use a damp cloth for cleaning.
Do not use this product near water.
5.
Do not place this product on an unstable cart,stand or tablle.The product may fall,causing serious
6.
damage to the product.
Slots and openings in the cabinet and the back or bottom are provided for ventilation,to ensure
7.
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 less proper
ventilation is provided.
This products should be operated from the type of power source indicated on the marketin label.
8.
If you are not sure of the type of power available, consult your dealer or local power company
This product is equipped with a 3-wire grounding type plug,a plug having a third (grounding)
9.
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.
Do not allow anything to rest on the power cord.Do not locate this product where persons will walk
10.
on the cord.
If an extension cord is used with this product,make sure that the total of the ampere ratings on the
11.
product plugged into the extension cord to the waplugged into outlet does not exceed 15 ampere.
Never push objects of any kind into this product through cabinet slots as they may touch dangerous
12.
voltage points or short out parts that could result in a risk of fire or electric shock.Never spill liquid
of any kind on the product.
Do not attempt to service this product yourself,as opening or removing covers may expose you to
13.
dangerous voltage points or other risks.Refer all servicing to service personnel.
Unplug this product from the wall outlet and refer servicing to qualified service personnel under the
14.
following conditions.
When the power cord or plug is damaged or frayed.
a.
If liquid has been spilled into the product.
b.
If the product has been exposed to rain or water.
c.
If the product does not operate normally,when the operating instructions are followed.Adjust
d.
only those controls that are covered by the operating instructions since improper adjustment of
other controls may result in damage and will often require extension work by a qualified
technician to restore the product to norma l operation.
If the product has been dropped or the cabinet has been damaged.
e.
f. If the product exhibits a distinct change in performance,indicating a need for service.
branch office if you need help.
1
B. SPECIFICATIONS
796N
Screen
1.
Visible Image Area 15.7 inch
2.
Active Display Area 310mm (H) × 230mm (V)
3.
Synchronization Range
4.
Horizontal
Vertical
Power Source 100 – 240 Vac , 60/50 Hz
5.
Power Consumption (max.) 110W
6.
Input Signal
7.
Video
Sync.
Connection Type 15 Pin D Type
8.
Resolution 1600 × 1200 pixels
9.
Color Temperature 9300º K / 6500º K / 5500º K
10.
Dimension (W×H×D) 410 × 410 × 420 (mm) -----
11.
Monitor Weight
12.
Net :
Gross :
Base Operation
13.
Tilt
Swivel
Power Saving
14.
Normal operation :
Off mode
Signal Connector Pin Assignment
15.
Pin No.
1. Red video input
2. Green video input
3. Blue video input
4. Ground
5. DDC return
6. Red return
7. Green return
8. Blue return
9. Not connected
10.Ground
17”, 0.25mm flat Square tube, 90º deflection, Anti-glare,
Anti -static,Anti-relection.
30 – 98 KHz
50 – 160 Hz
Analog R.G.B. , 0.7Vp- p / 75 Ohm
TTL level,positive or negative polarity
16.14 ×16.14×16.54 (inch)
406 × 413 × 435 (mm) ----- BZ/IZ
15.98 ×16.26×17.13 (inch)
16.5Kg (36.3Lb)
19.0Kg (41.8Lb)
- 5º / + 15º
- 45º / + 45º
110W
＜
5W
＜
11. Ground
12. SDA
13. Horizontal sync.
14. Vertical sync.
15. SCL
CA/TA/PX/FX
2
797N
1. Screen
Visible Image Area 16.02 inch
2.
Active Display Ar ea 310 mm (H) × 230mm (V)
3.
Synchronization Range
4.
Horizontal
Vertical
Power Source 100 – 240 Vac , 60/50 Hz
5.
Power Consumption 110W (max.)
6.
Input Signal
7.
Video
Sync.
Connection Type 15 Pin D Type
8.
Resolution 1600 × 1200 pixels
9.
Color Temperature 9300º K / 6500º K / 5500º K
10.
Dimension (W×H×D)
11.
Monitor Weight
12.
Net :
Gross :
Base Operation
13.
Tilt
Swivel
Power Saving
14.
Normal operation :
Off mode
Signal Connector Pin Assignment
15.
Pin No.
1. Red video input
2. Green video input
3. Blue video input
4. Ground
5. DDC return
6. Red return
7. Green return
8. Blue return
9. Not connected
10.Ground
17”, 0.25mm Pure flat Square tube, 90º deflection,Anti-glare,
Anti -static,Anti-relection.
30 – 98 KHz
50 – 160 Hz
Analog R.G.B. , 0.7Vp- p / 75 Ohm
TTL level,positive or negative polarity
406 × 400 × 416 (mm) ----- DF
15.98 × 15.75 × 16.38 (inch)
406 × 407 × 417 (mm) ----- DX
15.98 × 16.02 × 16.42 (inch)
410 × 412 × 420 (mm) -----
16.14 × 16.22 × 16.53 (inch)
18.5Kg (40.7Lb)
21.0Kg (46.2Lb)
- 5º / + 15º
- 45º / + 45º
110W
＜
5W
＜
11. Ground
12. SDA
13. Horizontal sync.
14. Vertical sync.
15. SCL
PF
3
996N
1. Screen
Visible Ima ge Area 17.9 inch
2.
Active Display Area 360 mm (H) × 270mm (V)
3.
Synchronization Range
4.
Horizontal
Vertical
Power Source 100 – 240 Vac , 60/50 Hz
5.
Power Consumption 120W (max.)
6.
Input Signal
7.
Video
Sync.
Connection Type 15 Pin D Type
8.
Resolution 1600 × 1200 pixels
9.
Color Temperature 9300º K / 6500º K / 5500º K
10.
Dimension (W×H×D)
11.
Monitor Weight
12.
Net :
Gross :
Base Operation
13.
Tilt
Swivel
Power Saving
14.
Normal operation :
Off mode
Signal Connector Pin Assignment
15.
Pin No.
1. Red video input
2. Green video input
3. Blue video input
4. Ground
5. DDC return
6. Red return
7. Green return
8. Blue return
9. Not connected
10.Ground
19”, 0.25mm Pure flat Square tube, 90º deflection,Anti-glare,
Anti -static,Anti-relection.
30 – 98 KHz
50 – 160 Hz
Analog R.G.B. , 0.7Vp- p / 75 Ohm
TTL level,positive or negative polarity
446 × 452 × 454 (mm) ----- PX
17.56 × 17.80 × 17.87 (inch)
446 × 460 × 475 (mm) ----- BZ/IZ
17.56 × 18.11 × 18.70 (inch)
19.6Kg (43.1Lb)
23.0Kg (50.6Lb)
- 5º / + 15º
- 45º / + 45º
120W
＜
5W
＜
11. Ground
12. SDA
13. Horizontal sync.
14. Vertical sync.
15. SCL
4
997N
1. Screen
Visible Image Area 18.0 in ch
2.
Active Display Area 360 mm (H) × 270mm (V)
3.
Synchronization Range
4.
Horizontal
Vertical
Power Source 100 – 240 Vac , 60/50 Hz
5.
Power Consumption 130W (max.)
6.
Input Signal
7.
Video
Sync.
Connection Type 15 Pin D Type
8.
Resolution 1600 × 1200 pixels
9.
Color Temperature 9300º K / 6500º K / 5500º K
10.
Dimension (W×H×D)
11.
Monitor Weight
12.
Net :
Gross :
Base Operation
13.
Tilt
Swivel
Power Saving
14.
Normal operation :
Off mode
Signal Connector Pin Assignment
15.
Pin No.
1. Red video input
2. Green video input
3. Blue video input
4. Ground
5. DDC return
6. Red return
7. Green return
8. Blue return
9. Not connected
10.Ground
19”, 0.25mm Pure flat Square tube, 90º deflection,Anti-glare,
Anti -static,Anti-relection.
30 – 98 KHz
50 – 160 Hz
Analog R.G.B. , 0.7Vp-p / 75 Ohm
TTL level,positive or negative polarity
446 × 452 × 454 (mm) ----- DX
17.56 × 17.80 × 17.87 (in ch)
21.6Kg (47.5Lb)
25.0Kg (55.0Lb)
- 5º / + 15º
- 45º / + 45º
130W
＜
5W
＜
11. Ground
12. SDA
13. Horizontal sync.
14. Vertical sync.
15. SCL
5
C. TIMING CHART
A : Period
B : Active
Video C : Sync Width
D : Back Porch
D B E E : Front
porch
Sync.
C
A
×
SIEMENS
640
×
480
VESA
800
×
600
＋＋
VESA
1024
768
＋
VGA
Preset
Modes
Dot Rate
(MHz)
F.H
(KHz)
Period
(uS)
Active
(uS)
Sync
(uS)
D-Back
Porch(uS)
E -Front
Porch(uS)
F . V
(Hz)
A-Period
(mS)
B-Active
(mS)
C-Sync
(mS)
D-Back
Porch(mS)
E -Front
Porch(mS)
H/V
SYNC
Interlaced NON NON NON NON NON NON NON NON NON NON NON
640
×
480
25.175 28.322 36.000 40.5 56.25 78.750 67.5 94.5 135 157.5 202.5
31.469 31.469 43.269 50.6 53.674 60.023 63.92 68.677 79.976 91.146 93.750
31.778 31.778 23.111 19.752 18.631 16.660 15.644 14.561 12.504 10.971 10.667
25.422 25.422 17.778 15.802 14.222 13.003 11.852 10.836 9.481 8.127 7.901
3.813 3.813 1.556 1.58 1.138 1.219 0.948 1.016 1.067 1.016 0.948
1.907 1.907 2.222 1.975 2.702 2.235 2.370 2.201 1.837 1.422 1.501
0.318 0.318 1.556 0.395 0.569 0.203 0.474 0.508 0.119 0.406 0.316
59.941 70.087 85.0 100.1 85.061 75.029 100.0 84.997 75.025 85.024 75.000
16.683 14.268 11.764 9.995 11.756 13.328 9.997 11.765 13.329 11.761 13.333
15.253 12.711 11.093 9.481 11.179 12.795 9.387 11.183 12.804 11.235 12.800
0.064 0.064 0.069 0.059 0.056 0.050 0.047 0.044 0.038 0.033 0.032
1.049 1.112 0.578 0.435 0.503 0.466 0.548 0.524 0.475 0.483 0.491
0.254 0.222 0.023 0.02 0.019 0.017 0.016 0.015 0.013 0.011 0.011
－.－－
VGA
720
×
400
.
VESA
640
480
＋－.－－.－
SIEMENS
800
×
600
.
＋＋
VESA
1024
×
768
.
＋＋
VESA
1280
×
1024
.
＋＋
VESA
1280
×
1024
.
＋＋
VESA
1600
×
1200
.
＋＋
×
.
＋
6
D. CONTROL LOCATION
Font control panel
7
E. ADJUSTMENT LOCATION
IC301
IC501
VR303
T101
Q104
IC201
VR101
L301
FBT
T304
VR302
Q309
VR402
C104
VR401
F101
8
ITEM
(
Program Menu.
﹟
Test Meter
﹡
Test Point
Pattern
F. ADJUSTMENT PROCEDURE
Operation
Adjusting
Value
B+
Adjust
A
High Voltage
Adjust
B
Preset
Adjust
C
Digital Voltmeter
﹟
D117 Negative
﹡
Crosshatch Pattern
﹫
White Background
31.5KHz,640x480)
Digital Voltmeter
﹟
High Voltage
﹟
Probe
Anode Cap-GND
﹡
Crosshatch Pattern
﹫
White Background
(31.5KHz,640x480)
Crosshatch
﹫
(All Preset Mode)
Make the adjustment to the value shown at right
1.
by turning the
Turn the power switch of the monitor
1.
Connect high voltage probe to Anode Cap and
2.
GND.
Turn the power switch of the monitor
3.
VR101
on the main
PCB.
OFF.
ON.
(15 minutes)
Make the adjustment to the value shown at right
4.
by turning the
Plug the power cord out from the monitor.
1.
Hold encorder key,then plug the power cord into
2.
VR402
on the main
PCB.
the monitor .(one key type)
Hold
key,then plug the power cord into
MENU
the monitor .(four key type)
Turn encorder/
3.
key,make sure into preset
MENU
picture,if not ,please return 1- 2 .
Please following the procedure of selection and
4.
adjusting an item using the
system as below
OSD
steps for main function adjusent.
One key model :
Step 1 :
Press and relese the
activate the
Step 2 :
of
Step 3 :
Turn the knob to highlight the desired option
icon.
OSD
Press and release the knob again to access
OSD
menu.
control knob to
OSD
the option. The color of the inner area of the
will changed from blue to green.
OSD
Step 4 :
To make your adjustment,turn the knob
clockwise to increase or countclockwise
to decrease the setting.
Step 5 :
Press and release the knob again to store
the change.the color of the inner area will
go back to blue.You can select
and press the knob the exit the
EXIT
OSD
icon
menu.
210V
0.2V
±
26.0KV
(17”,19”)
Contrast :
MAX.
Brightness
Nomal.
H-Size :
310mm(17”)
(19”)
360
mm
V-Size :
230mm(17”)
270
(19”)
mm
H-Posi. :
Center
V -Posi :
Center
9
ITEM
d
Program Menu.
﹟
Test Meter
﹡
Test Point
Pattern
Operation
Adjusting
Value
Preset
Adjust
C
Background
White
Balance
D
Adjust
Color Analyzer
﹟
off
R.G.B
﹫
(68KHz,1024x768)
Four key model :
Step 1 :
Press and relese the
activate the
Step 2 :
option of
Step 3 :
Press
+/
▲
OSD
Press and release
menu.
OSD
or-/▼key to highlight the desire
icon.
control knob to
OSD
key to acress the
MENU
option.The color of the inner area of the
will changed from blue to green.
OSD
Step 4 :
Step 5 :
To make your adjustment,press
key to decrease the setting.
/
▼
-
Press and release
MENU
key to store
+/
▲
or
the change.the color of the inner area will
go back to blue.You can select select other
function to make adjustment by
+/
▲
or-/
▼
.Also you can select exit icon or press Exit
key to exit the
Set the contrast to
1.
set colo r is 9300
Set the
2.
OSD
to
MAX
using the
°
K
COLOR
menu.
OSD
.,Brightness to Y=0.7
.
OSD
of sub menu and press
knob.
Make the adjustment
3.
R.G.B BIAS
low light to
the value shown at right by using encorder.
Other adj. :
Best Point
Y = 0.7
0.1FL
±
x = 0.283
0.02
±
y = 0.297
0.02
±
Balance
Adjust
E
F
Adjust
Other
Function
Seting
G
White
ABL
Color Analyzer
﹟
Oscilloscope
﹟
Cathode G
﹡
3” block
﹫
(68KHz,1024x768)
Color Analyzer
﹟
Full White
﹫
(68KHz,1024x768)
Full White
﹫
(68KHz,1024x768)
Move the
1.
Move the
2.
OSD
OSD
to the
to the
R.G.B. DRIVE
G DRIVE
.
and make the
adjustment to the value shown at right by using
encorder.
Move the
3.
OSD
to the
R,B-DRIVE
and make the
Adjustment to the value shown at right by using
Encorder.
Set the contrast to
1.
Make the adjustment to the value shown at right
2.
by adjustment
Set the
1.
Set the
2.
Set the
3.
Set the
4.
Set the
5.
ABL
to 98
FREQ.
to
OSD
BURN
TIME
DEFOtoTDA9113/9112
OSD1
to Disable
to 15
MAX.
on the
,Brightness to
menu.
OSD
MAX.
40V
P-P
55FL (17”)
43FL (19”)
x = 0.283
0.02
±
y = 0.297
Y = 33FL±1
10
e
ITEM
Program Menu.
﹟
Test Meter
﹡
Test Point
Pattern
Operation
Adjusting
Value
Dynamic
Focus
H
Adjust
Purity
Adjust
I
Static
Convergenc
Adjust
J
Oscilloscope
﹟
FBT Pin14
﹡
Full White
﹫
(31.5KHz,640x480)
Magenta color
﹫
(31.5KHz,640x480)
Crosshatch Pattern
﹫
(31.5KHz,640x480)
Set the contrast to
1.
,and adjustment
MAX.
Brightness to the raster just appear.
Make the adjustment to the value shown at right
2.
by adjust the
Adjust the purity magnet is in magneta color.
1.
Turning two overlapping pawels in opposite
2.
VDF
on the
OSD
menu.
directions.
Move them until they are at the same angle,
3.
9 o’clock and 3 o’clock respectively.
Open the two pawels of the 4 pole magnets to
1.
allow the red and blue vertical lines to unite.
Open and rotate the two pawels at a contrast
2.
angle so that the red and blue horizontal lines
can unite.
If the vertical lines deviates,open the two powals
3.
at the deviation position and make a monitor
adjustment by changing its angle.
Display white crosshatch patte rn.
4.
Make the red and blue vertical lines at the
5.
center unite with the green by opening the two
6 pole pawels.
Rotate the two pawels at contrast angle so that
6.
the red and blue horizontal lines can unite with
the green.
If the vertical lin e s deviate,change the angle of
7.
Pawels from the deviation position.
VF :
140 (17”)
150 (19”)
10V
P-P
±
HF :
500 (17”)
500 (19”)
150V
±
P-P
11
G. BLOCK DIAGRAM
12
13
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