Making the Miracle of Video Displays Come to Life Good Morning...
Transcript of Making the Miracle of Video Displays Come to Life Good Morning...
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Good Morning and WelcomeIntroductions
Ceronix Overview – Virtual Tour
Monitor Identification
Circuit Description and Troubleshooting
LCD Description and Troubleshooting
Development
13350 New Airport Road Auburn, CA 95602530 886-6400 Phone 530 888-1044 Fax
Making the Miracle of Video Displays Come to Life...
www.ceronix.com
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For 20 years we have been developing and manufacturing monitors based on the differing needs of our customers.
Overview
Providing solutions to a global market
ISO9001 CERTIFIEDISO9001 CERTIFIED
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Today, Ceronix meets the display requirements for a diverse group of industries:
• Gaming• Automotive Diagnostics• Horse Racing• Bowling / Automatic Score Keeping• Amusement• Medical Imaging
Overview
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Engineered & Manufactured in Auburn California
Overview
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Our 63,000 Square Foot Free Trade Zone Facility
Overview
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ManufacturingAuto Insertion
Overview
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Wave Solder
Overview
Manufacturing
Janice McCall
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Touch-Up and Electronic Test
Overview
Manufacturing
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Mechanical Assembly
Overview
Manufacturing
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Burn-In
Overview
Manufacturing
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Overview
Shipping and Receiving
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Overview
Providing Service to Our Customers
On-Site Technical TrainingCustomer Repairs
Brent BrewerWith hair
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History of CERONIX Monitor Design:
Current Design
Meeting Customer Needs
Multiple Video Formats
Digital
Analog: Positive, Negative, Various Levels.
Multiple Scanning Frequencies
Multiple Enclosure Requirements
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CRT Monitor Design:
Versatile:One Main Circuit BoardOne Video Circuit Board
Proven Reliability:1.5M Units in operation around the world.
Fixed Frequency:Monitor Locks to single Horizontal Frequency.Power Supply V+ and Horizontal Deflection Tuned for Specific Frequency.
Remote Adjustments:Analog Potentiometers.
Power Supply:Isolation Transformer
Current Design
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Working on Ceronix Monitors
• Be safe: Use isolation transformerKeep away from high voltage
• Replacement parts: CPA4208 “RF KIT”This is the Randy Fromm Kit!
• Tools: Digital Multi-meter, Power supply, Soldering Iron,Screw driver, Needle nose pliers, Wire cutter, No Clean Solder, Solder wick, Power cord, Video Generator or Video jumper, CeronixService Manual, Ceronix Web Site, Tech Forums………..
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New label adds the Ceronix part number
The label identifies input Voltage and size of tube.
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Ceronix Monitor Setup
Make sure boards match CRT.Plug in all necessary connectors/cables (7-COUNT).Use video test jumper or generator.
Power up unit.Check V+.Check Screen Voltage.Check focus
RED pin 4GREEN pin 5
BLUE pin 6
Video Input
470 ohm ½ w12v pin 0
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Board Assembly
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Production Assembly Drawing (PAD) Available online @ ceronix.com
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Single Focus Flyback Transformer
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Dual Focus Flyback Transformer
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G+B LIGHT = CYAN
R+B LIGHT = MAGENTA G+R LIGHT = YELLOW
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RED + GREEN + BLUE = WHITE
RED
BLUEGREEN
WHITE
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COLOR PROBLEMS
A helpful hint when working with color problems is to first identify the color of the three grid lines at the top of the screen.
When there is a missing color and the lines are white, the problem lies in the video interface section. This means it can be found in between the video source and pin #8 of the Video Amplifiers (K-PRA). If the lines were not white it would be an output problem, which is anything after pin 8 to the picture tube.
Use the following steps when troubleshooting a missing color.
1. First determine if it is an input or output problem.2. If it is an input problem check pins 16, 13, and 9 on IC 241(Video Interface IC). If the
color you are missing has a DC voltage higher or lower than the other two colors by .3V replace IC 241.
3. If the voltages are all the same check for an open between the output pins of IC 241 and pin 8 of Video Amplifiers (K-PRA).
4. If you determine it to be an output problem check pin 20 of the Video Amplifiers (K-PRA). If the voltage at pin 20 for the color that is missing is a minimum of 20 volts higher than the other two colors. Replace the Video Amplifier (K-PRA) and Transistors at 945, 812 or 822, depending on which Video amplifier is being changed.
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INPUT PROBLEM WITH GRID PULSE NOT WHITE
Problem:
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PIN 2 RED IN
PIN 16 RED OUT
C5346A: VIDEO INTERFACE IC (Location 241).TABLE DISPLAYS CORRECT DC VOLTAGES FOR VGA BOARDS WITH
WHITE SCREEN
9.30RED OUTPIN 16
.640GREEN REFERENCE
PIN 15
.755GREEN INPIN 14
9.4GREEN OUTPIN 13
5.9MASTER GAINPIN 12
10+ ENABLEPIN 11
11.97VccPIN 10
9.4BLUE OUTPIN 9
.630BLUE REFERENCEPIN 8
.755BLUE INPIN 7
6.3BLACK LEVELPIN 6
0TTLPIN 5
0GNDPIN 4
5.7BLACK LEVELPIN 3
.756RED INPIN 2
.630RED REFERENCEPIN 1
If the grid lines are white Look for the .3V difference
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Green retrace lines with video present.
Measure at (LM324N) location 920 Pin 8. Pin 8 should measure between 4.0-4.4V.
Adjust the bottom pot on the fly back (screen voltage) until it measures between 4.0-4.4v.Note: Sometimes while adjusting the screen voltage to obtain 4.0-4.4v, the monitor may shut down. In this case reduce screen voltage to minimum, then try to bring up the screen voltage slowly until an image is visible
Measure voltage at (auto bias IC) location 927 pins 2, 4, & 6 for 5.5-6.5V. Also measure voltage at pins 3, 5, & 7 for 1.1 to 2.7V.
Replace Auto bias IC at location 927.
Measure voltage at (Green video amplifier) Location 803, pin 11, should measure 2.0-4.0V.
Replace 803 Greenvideo amplifier.
Measure voltage at (Green video amplifier) Location 803 pin 20,should measure 80-110V.
Replace 803 Green video amplifier.
Measure voltage at (Green video amplifier) Location 803 pin 1,should measure 9.0-10V.
Replace 241 video IC
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Troubleshooting flow charts: Symptom – Green Retrace with Video.Note: Use video generator or Ceronix test jumper for video input.
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Input 9 to 10V
Measure 2 to 6V
Measure 75 to 110V
K-PRA: VIDEO AMPLIFIER CIRCUIT.TABLE DISPLAYS CORRECT DC VOLTAGES
77AMP OUTPUTPIN 20
78PNP CPIN 19
123120V LINEPIN 18
127PNP B DIODEPIN 17
127PNP BPIN 16
128PNP E.PIN 15
128PNP E. CAPPIN 14
129127V LINEPIN 13
0GNDPIN 12
4.3AUTO BIASPIN 11
11.99+12 V LINEPIN 10
0GNDPIN 9
9.4NE592 OUTPUTPIN 8
9.49.25 V LINEPIN 7
9.4NPN EPIN 6
0GNDPIN 5
10NPN BPIN 4
17.17+ 16 V LINEPIN 3
11.9+12 V LINEPIN 2
9.5VIDEO INPUTPIN 1
PIN 1 PIN 20
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Troubleshooting flow charts: Symptom – No picture, monitor powers up. Note: Use video generator or Ceronix test jumper for video input.
Monitor has power but no picture.
Measure at (LM324N) location 920 Pin 8.Pin 8 should measure between 4.0-4.4V.
Adjust the bottom pot on the fly back (screen voltage) until it measures between 4.0-4.4v.Note: Sometimes while adjusting the screen voltage to obtain 4.0-4.4v, the monitor may shut down. In this case try to bring up the screen voltage slowly until an image is visible
Check for the orange light on the filament.
Check the filament circuit.
Measure voltage at pin 7 at (LM393N IC) location 210. Pin 7 should measure between 5.0-7.0V.
Replace Auto Bias IC at location 927 and transistor at location 928.
Measure voltage at pins 8 & 13 (Auto bias IC) at Location 927.Pin 8 should measure .05 –1.0V and pin 13 should measure 2.0-2.5V
Replace Auto Bias IC at location 927 and transistor at location 928.
Measure voltage at Transistor 928.Emitter should measure 5.0-6.0V, Collector 29-30V, and Base 9.0-10.0V.
Replace Auto Bias IC at location 927 and transistor at location 928.
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9.8VccPIN 22
4.2BLUE HOLD CAPPIN 21
4.2BLUE OUTPUTPIN 20
4.2GREEN HOLD CAPPIN 19
4.2GREEN OUTPUTPIN 18
3.4RED HOLD CAPPIN 17
3.5RED OUTPUTPIN 16
4.9VERTICAL REFERENCE BIASPIN 15
4.95V REFERENCEPIN 14
2.5AUTO BIAS ACTIVE PULSE OUTPUTPIN 13
8.4PROGRAM PULSE OUTPUTPIN 12
9.7GRID PULSE OUTPUTPIN 11
1.6HORIZONTAL INPUTPIN 10
0GNDPIN 9
.053VERTICAL INPUTPIN 8
1.8COMPARATORPIN 7
5.1RED INPUTPIN 6
1.8COMPARATORPIN 5
5.3GREEN INPUTPIN 4
1.6COMPARATORPIN 3
5.25BLUE INPUTPIN 2
0GNDPIN 1
CA3224E: AUTOMATIC BIAS CONTROL CIRCUIT.TABLE DISPLAYS CORRECT DC VOLTAGES FOR VGA BOARDS
5.0 to 6.5V
1.1 to 2.7V
2 to 6V
Pin 1 Pin 22
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3.1RED CHANNEL OUTPUTPIN 14
4.0INVERTING INPUTPIN 13
4.0NON- INVERTING INPUTPIN 12
0GNDPIN 11
4.0NON- INVERTING INPUTPIN 10
4.0INVERTING INPUTPIN 9
4.0SCREEN VOLTAGE ADJUSTMENTPIN 8
3.3BLUE CHANNEL OUTPUTPIN 7
4.0INVERTING INPUTPIN 6
4.0NON- INVERTING INPUTPIN 5
11.95VccPIN 4
4.0NON- INVERTING INPUTPIN 3
4.0INVERTING INPUTPIN 2
3.4GREEN CHANNEL OUTPUTPIN 1
LM324N: AUTO BRIGHT CONTROL CIRCUIT.TABLE DISPLAYS CORRECT DC VOLTAGES
SCREEN VOLTAGE3.5 TO 4.2 V
Pin 1 Pin 14
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White retrace lines with no video present.
Measure at (LM324N) location 920 Pin 8.Pin 8 should measure between 4.0-4.4V. If you are not able to adjust, check the next step.
Adjust the bottom pot on the flyback until it measures between 4.0-4.4v
Measure voltage at (auto bias IC) location 927 pin 8. Pin 8 should measure .05-1.0V.
Replace Auto bias IC at location 927.
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Troubleshooting flow charts: Symptom – White Retrace Lines and no video.Note: Test generator needs to be set-up with color bar pattern.
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VIDEO PROBLEM 6
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No Horizontal size adjustment. Horizontal size of the picture is at minimum size.
Make sure the remote is plugged in
Plug in the Remote.
Make sure the Yellow pot on the remote measures between 0-10K ohms.
Change the Yellow pot.
Measure voltage at (LM392N)Location 049 pin 1.Pin 1 should read 8.0-9.0 V. If it does not measure between 8.0-9.0V, measure the resistance at location (MOSFET) 460.Measure the resistance between the Gate and the Source it should be around 3Kohms
Change MOSFET at Location 460.
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Troubleshooting flow charts: Symptom – No H-Size adjust.Note: Test generator need to be set-up with color bar pattern.
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11.25VERTICAL V+PIN 20
5.9VERTICAL +/- SYNC INPUTPIN 19
5.8VERTICAL OSCILLATORPIN 18
.137VERTICAL OSC. O/SPIN 17
5.0V. REFPIN 16
2.4OUTPUT OF OP AMP.PIN 15
0GNDPIN 14
0GNDPIN 13
.396OUTPUT COMP.PIN 12
5.6FIXED VOLTAGE FOR COMP.PIN 11
11.25H. V+PIN 10
5.4DISCHARGEPIN 9
5.8HORZ. OSCILLATORPIN 8
5.8MULTIPLIERPIN 7
2.9BIASPIN 6
3.5SAW TOOTH GEN.PIN 5
.1TRIGGERPIN 4
8.3 DELAYED SYNC O/SPIN 3
8.2 PICTURE POS. O/SPIN 2
3.8 H-SYNC INPUTPIN 1
LA7851: VERTICAL AND HORIZONTAL DEFLECTION CONTROL CIRCUIT.TABLE DISPLAYS CORRECT DC VOLTAGES
PIN 1 PIN 20
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NOTE: All voltage measurements are DC with –lead to GND unless otherwise noted.
Monitors with zero voltage at V+•Ohm out the zener diode at location 181.•Replace the zener if it is shorted, check the FET to make sure it is not shorted.•Replace the FET if it is shorted.•Apply power to the monitor.•Note: Insure board is completely discharged. Caps loc. 144, 163, and 175. •If you still have no V+ voltage replace IC 115 and Transistor (MPSA64) 127. •A quick ohm check for IC 115 is, V- (J-PRA side of loc. 137) to pin 1 of IC 115 should read between 10.5K ohm and 11.5K ohm.•Also check V- (J-PRA side of loc. 137) to pin 16 of IC 115, should read between 27K ohm and 28K ohm.
Monitors with 10–35 volts at V+•If the V+ reads between 10-35V DC replace IC 115 and Transistor (MPSA64) 127.
Monitors with a fluctuating V+•Check the 16V line at diode 170(See illustration 102).•Measure the 12V-regulator input and output for shorts (output .•Measure pins 8,11 and 12 on IC (LA7851) at location 415.
Monitors with a fluctuating V+•Check the 24V line at diode 168. (See illustration 103)•Check the vertical IC (LA7838) and relay (location 468) for degaussing circuit that requires 24V.• A quick ohm check with out the need for external power would be GND to pin 12 of vert. IC (location 377). Replace if shorted.
Power supply troubleshooting technique
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Ceronix LCD
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POWER SELECT DOWN UP MENU
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LCD BLOCK DIAGRAM
POWER SUPPLY
CPM2199A 12V
CPM2201A 24V
A TO DCONTROLLER
CPM2281A 12V OR 24V& IR
CPM2376 12V OR 24V& IR
BACKLIGHTINVERTER
CPM2282 12V
CPM2237A 12V
CPM2253A 24V
LCD PANEL
BACKLIGHT LAMPSLVDS RECEIVER
CPP1700 17" TFT LCD PANEL SAMSUNG #LTM170E8-L01
CPP1701 19"TFT LCD PANEL SAMSUNG LTM190E4-LO2
CPP1705 15" TFT LCD PANEL SPVA SAMSUNG LTB150X1-L01
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CPA3036 ASSEMBLYCPM2215 X1LCD FRAME
CPS1912 X1A/C CABLE
CPM2201A X1POWERSUPPLY
CPM2605 X23MM KEPNUTCPM2604 X6
M3X6MMPOZI/PAN HEAD
CPM2281A X1A/D CONTROLLER
CPM2359 X1TOUCH CONTROLLER
USED ON SOMETOUCH VERSIONS
CPS1916 X1LVDS CABLE
CPS1903 X1LCD 24V/INV CABLE
CPS1913 X1LCD OSD CABLE
CPM2283x1OSD KEY BOARD
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CPM2281A
GND
+5V
+24 OR 12V
GND
+3.3V
+5V
+24V OR +12V INPUT
INVERTER OUTPUTPIN 5 BRT ON OFFON=5V OFF=0VPIN 3 BRT. ADJ. MIN=3.3V MAX=2V
REMOTE INPUT
LVDS OUTPUT
VGA INPUT
DVI INPUT
TOUCH SCREENPOWER OUT
SCALER
MICRO CONTROLLER
PIN 1 5V = 19”& 17”OR 3V = 15”JUMPER
+1.8V
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POWER SUPPLIES 12V & 24V
CPM2239 12VREPLACE
CPM2199A 12V CPM2201A 24V
5 PIN 12V OUTPUT
PIN 1&2 – GND PIN 4&5 – 12V
1
AC INPUT GND AC INPUT GND
6 PIN 12V OUTPUT
PIN 1,2,&3 – 12VPIN 4,5,&6 – GND
AC INPUT GND
6 PIN 24V OUTPUT
PIN 1,2,&3 – 24V PIN 4,5,&6 – GND
1
FUSE FUSE FUSE
1
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LCD Troubleshooting flow chart: Symptom No Power or VideoNote: If no video signal available, activate test pattern by holding menu button and pressing power button.
Apply AC inputIs Indicator LED on?
Yes
No
Is LED green or amber?
Amber Green
Check video input withAlternate source. ScreenWill also indicate “NO SIGNAL INPUT”In a blue box.
Check A to D boardFor inverter enable.Pin 5 for 5 volts. Ref. Page 54
Yes
No
Replace inverter
Replace A to D
Check power connectorFor AC
No
Yes
Check gamepower
Check output of power supply For 12v or 24v DC. Ref. page 55
Yes
Replace A to Dboard
Replace powersupply
No
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INVERTER’S
CPM2253ACPM2282
LAMP OUTPUTS
A TO DCONTROLLERINPUT
FUSE
LAMP OUTPUTS
LAMP OUTPUTS
A TO DCONTROLLERINPUT
FUSE
LAMP OUTPUTS
CPM2237A
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NOTE POLARITY CHANGE
NOTE POSITION OF CONNECTORTO THE RIGHT
WHEN USING THE CPM2199YOU MUST ADD 2 CPM2525KEP NUTS UNDER P/S TO KEEP 12V LINE FROM SHORTING TO GND.
ELECTRONIC OPTIONS FOR CERONIX LCD’S
CPM2239-3Y CP-1142R2 12V
CPS1917
CPM2199-UMEC UPO651S-02 12V
CPS1917
CPM2199A-ECU CERN-0212V
CPS1909
CPM2201-YM-1061B(CP-1304R2)24V
CPS1903
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CPM2282-VI195014BO 12V & CPS1917ONLY USE WITH FRAMECPM2215 17”, & CPM2216 19”.
CPM2253A-ECU P/N CERN-03 24V & CPS1903ONLY USE WITH FRAME CPM2309 15”,CPM2305 17”,& CPM2306 19”. CPM2237A-ECU P/N CERN-04
12V & CPS1909ONLY USE WITH FRAME CPM2309 15”, CPM2305 17”,& CPM2306 19”.
CPS1917
CPS1903
CPS1909
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CPM2239 12V 3YPOWER SUPPLY
CPM2282 12V INVERTER
CPM2281AA TO D BOARD
CPS1917
EX2 T/S BOARD
CPM2281AA TO D BOARD
CPM2282 12V INVERTER
CPM2199 12V POWER SUPPLY
EX2 T/S BOARD
CPS1917
FOR USE IN CPA4090L, 4064L, 4078L, 4085L, 4088L FOR USE IN CPA4090L, 4064L, 4078L, 4085L, 4088L
CPM2281AA TO D BOARD
CPM2282 12V INVERTER
CPM2239 12V 3YPOWER SUPPLY CPM2282 12V
INVERTER
CPM2199 12V POWER SUPPLY
CPM2281AA TO D BOARD
CPS1909 CPS1909
CPS1862 CPS1862
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FOR USE IN CPA4090L, 4064L, 4078L, 4085L, 4088L
CPM2281AA TO D BOARD
CPM2201 24V POWER SUPPLY
CPS1903
CPS1903
CPM2353 24V INVERTER
CPM2199A 12V POWER SUPPLY
CPM2281AA TO D BOARD
CPS1909
CPM2281AA TO D BOARD
CPM2353 24V INVERTER
CPM2201 24V POWER SUPPLY
CPM2237 12V INVERTER
CPM2359EX2 T/S BOARD
CPS1904EXII SUPPLY HARNESS
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CPM2253A15'17'19' INVERTER 24VDCECU #EINV-04B
CPS1933 LVDS Cable 17" PV Genesis Rev. C RoHSCPS1935 LVDS Cable 19"/22" TN/PV Genesis Rev. D RoHSCPS1934 LVDS Cable 15 PV/TN Genesis Rev. B RoHS
CPM2376LCD A/D CONTROLLER W/IRGenesis gm5766 REV B RoHS
CPM2201A24V 60W POWER SUPPLYECU #CERN-01
CPM2385OSD KEY BOARD W/LEDGenesis
TPK #4422005000F1
CPS1912 LCD A/C CABLERev. D, RoHS
CPS1937 REV.B24V/INV Cable GenesisRev. B RoHS
CPS1936 REV.BOSD Cable GenesisRev. B RoHS
CPS1955 REV.ALCD IR Cable, GenesisRev. A, RoHS
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ANALOG INPUT
DIGITALINPUT
LVDS OUTPUT
OSD INPUT
IR
INVERTER OUTPUT
VCC INPUT
CPM2376
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VIDEO MOD FOR CPA4000 SERIES LCD’STO CONVERT TO 4400 IGT PLATFORMS
Step 1: Remove the2 – ¼” drive screws from the back cover.Slide cover back tounlock and remove.
Step 2: Remove solder connection or jumperin front of VGA input, labeled video.
Step 3: Installcover and screws
Note: To use on3800,3900 addJumper or solder Connection.
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+12VGND
CONNECT NEW12V CONNECTOR TO POWER SUPPLY
INSERT NEW POWER SUPPLY (CPM2199A). AND FASTEN WITH TWO M3 KEP-NUTS.
NOTE: CHECK POLARITY OF HARNESS. IF NOT CORRECT, CHANGE AS SHOWN BELOW RIGHT.
OLD HARNESS
CORRECTED HARNESS
CONNECT AC CONNECTOR AND GROUND TERMINAL
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HARNESS MODIFICATION FOR CPS1853L, CPS1861L, AND CPS1896USED IN CPA4090L, 4064L, 4078L, 4085L, 4088L. THIS PAGE FOR UNITS THAT HAVE THE STANDARD 3M CONTROL BOARD (NOT NETPLEX)
EXAMPLE: CPS1853L 1. DISCONNECT 7-PIN CONNECTOR FROM TOUCH CONTROLLER. CAREFULLY EXTRACT PINS CONNECTED TO BLACK AND WHITE WIRE FROM CONNECTOR T4. AN OBJECT WITH A FINE POINT SUCHAS AN XACTO KNIFE CAN BE USED TO LIFT UP ON THE PLASTIC PIN RETAINER TO RELEASE PINS. DISCARD WIRES CONNECTED WITH T2 AND T3.
2. INSERT BLACK AND ORANGE WIRES OF NEW HARNESS (CPS1862) INTO CONNECTOR T4 AS SHOWN BELOW
3. THIS NEW HARNESS CAN BE PLUGGED BACK INTO THE TOUCH CONTROLLER AND INTO THE A/D BOARD CN13 AS SHOWN BELOW.
BLACK WIREWHITE WIRE
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LCD REPAIR KIT PART # CPA3100
Item Name/Num Description Qty U/M
CPM2201A 24V 60W POWER SUPPLY ECU #CERN-01 2 ea
CPM2253A 15'17'19' INVERTER 24VDC ECU #CERN-03 2 ea
CPM2237A 17'/19' INVERTER 12VDC ECU #CERN-04 2 ea
CPM2281A LCD A/D CONTROLLER w/IR TPK/Morning Star 2 ea
CPM2283 OSD KEY BOARD W/LED P88150110005B 1 ea
CPS1903 LCD 24V/INV CABLE GEN II 1 ea
CPS1913 LCD OSD CABLE GEN II Rev. A, RoHS 1 ea
CPS1916 LCD LVDS CABLE GEN II 2 ea
CPM2604 M3 x 6M PH Fil Screw RoHS Rev. A 20 ea
CPM2282 LCD INVERTER VI195014B0 1 ea
CPS1909 LCD 12V/INV CABLE GEN II Rev. B, RoHS 1 ea
CPS1917 LCD 12V INV. CABLE Rev. B, RoHS 2 ea
CPM2199A 12V 60W POWER SUPPLY ECU #CERN-02 2 ea
CPM2389 CCFT, LTB150X1-L01 WellyPower #FL-24317 4 ea
CPM2324 CCFT, LTM170E8-L01 WellyPower #FL-24347 4 ea
CPM2325 CCFT, LTM190E4-L02 WellyPower #FL-24386.5 4 ea
Total Bill of Materials 51 ea
KIT CAN BE USED TO MAKE ONSITE REPAIRES ON CERONIX 15”, 17”, AND 19” LCD MONITORS
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LCD Connection Atronic Emotion Displays
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EMOTION INVERTER
CPM2243
LAMP OUTPUTS
LAMP OUTPUTS
INPUT CONNECTOR
FUSE
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LCD has larger viewing area compared to CRT
LCD CRT Display
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LCD Monitor Assembly with new Game Bezel
● Drop in replacement for CRT Monitor.● Does not mount to door.● Bezel replacement takes a few minutes.
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LCD Drop In Replacements for 14”, 17”, and 19” CRTs.
● Uses same frame.● Convert to True-Flat.● Provide New Game Bezel.
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Development New 16x9 aspect ratio 22” LCD CPA4072
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Development
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Thank you, from the CERONIX team!