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4.2.2 Film number and exposure time in film mode

（

for long cone/4 mA/60 kV

）

   

Patient 

Children Adult 

Large 

Adult 

Teeth  T1   T2   T3 

T4   T5   T1 

T2 

T3 

T4 

T5 

T1 

T2   T3   T4 

T5 

F.00 

 0.05 0.06 0.08 0.08 0.13 0.08 0.10 0.13 0.16 0.20 0.10 0.13 0.16 0.20 0.25 

F.01 

 0.06 0.08 0.10 0.10 0.16 0.10 0.13 0.16 0.20 0.25 0.13 0.16 0.20 0.25 0.32 

F.02 

 0.08 0.10 0.13 0.13 0.20 0.13 0.16 0.20 0.25 0.32 0.16 0.20 0.25 0.32 0.40 

F.03 

 0.10 0.13 0.16 0.16 0.25 0.16 0.20 0.25 0.25 0.40 0.20 0.25 0.32 0.32 0.50 

F.04 

 0.13 0.16 0.20 0.20 0.32 0.20 0.25 0.32 0.40 0.50 0.25 0.32 0.40 0.50 0.63 

F.05 

 0.16 0.20 0.25 0.25 0.40 0.25 0.32 0.40 0.50 0.63 0.32 0.40 0.50 0.63 0.80 

F.06 

 0.20 0.25 0.32 0.32 0.50 0.32 0.40 0.50 0.63 0.80 0.40 0.50 0.63 0.63 1.00 

F.07 

 0.25 0.32 0.40 0.40 0.63 0.40 0.50 0.63 0.63 1.00 0.50 0.63 0.80 0.80 1.25 

F.08 

 0.32 0.40 0.50 0.50 0.80 0.50 0.63 0.80 0.80 1.25 0.63 0.80 1.00 1.00 1.60 

F.09 

 0.40 0.50 0.63 0.63 1.00 0.63 0.80 1.00 1.00 1.60 0.80 1.00 1.25 1.25 2.00 

F.10 

 0.50 0.63 0.80 0.80 1.25 0.80 1.00 1.25 1.25 2.00 1.00 1.25 1.60 1.60 2.50 

F.11 

 0.63 0.80 1.00 1.00 1.60 1.00 1.25 1.60 1.60 2.50 1.25 1.60 2.00 2.00 3.20 

F.12 

 0.80 1.00 1.25 1.25 2.00 1.25 1.60 2.00 2.00 3.20 1.60 2.00 2.50 2.50 * 

 

F.13 

 1.00 1.25 1.25 1.60 2.50 1.60 2.00 2.50 2.50 * 

  2.00 2.50 3.20 3.20 * 

 

F.14 

 1.25 1.60 1.60 2.00 3.20 2.00 2.50 3.20 3.20 * 

  2.50 3.20 * 

  * 

  * 

 

F.15   1.60  2.00  2.00  2.50  *  

2.50  3.20  *  

*  

*  

3.20  *  

*  

*  

*  

(Unit: seconds)   

 

4.2.3 Film number and exposure time in film mode

（

for short cone/7 mA/60 kV

）

   

Patient 

Children Adult 

Large 

Adult 

Teeth T1 

 

T2 

 

T3 T4 

 

T5 

 

T1 T2 T3 T4 T5 T1 T2 

 

T3 

 

T4 T5 

F.00   0.01  0.01  0.02  0.02  0.03  0.02  0.02  0.03  0.03  0.05  0.02  0.03  0.03  0.04  0.06 

F.01   0.01  0.02  0.02  0.02  0.03  0.02  0.03  0.03  0.04  0.06  0.03  0.04  0.04  0.05  0.08 

F.02   0.02  0.02  0.03  0.03  0.04  0.03  0.04  0.04  0.05  0.08  0.04  0.04  0.05  0.06  0.08 

F.03   0.02  0.03  0.03  0.04  0.05  0.04  0.04  0.05  0.06  0.08  0.05  0.05  0.06  0.08  0.10 

F.04   0.03  0.03  0.04  0.05  0.06  0.05  0.06  0.06  0.08  0.10  0.06  0.06  0.08  0.10  0.13 

F.05   0.04  0.04  0.05  0.06  0.08  0.06  0.08  0.08  0.10  0.13  0.08  0.08  0.10  0.13  0.16 

F.06   0.04  0.05  0.06  0.08  0.10  0.08  0.08  0.10  0.13  0.16  0.10  0.10  0.13  0.16  0.20 

F.07   0.05  0.06  0.08  0.08  0.13  0.08  0.10  0.13  0.16  0.20  0.10  0.13  0.16  0.20  0.25 

F.08   0.06  0.08  0.10  0.10  0.16  0.10  0.13  0.16  0.20  0.25  0.13  0.16  0.20  0.25  0.32 

F.09   0.08  0.10  0.13  0.13  0.20  0.13  0.16  0.20  0.25  0.32  0.16  0.20  0.25  0.32  0.40 

F.10   0.10  0.13  0.16  0.16  0.25  0.16  0.20  0.25  0.32  0.40  0.20  0.25  0.32  0.40  0.50 

F.11   0.13  0.16  0.20  0.20  0.32  0.20  0.25  0.32  0.40  0.50  0.25  0.32  0.40  0.50  0.63 

F.12   0.16  0.20  0.25  0.25  0.40  0.25  0.32  0.40  0.50  0.63  0.32  0.40  0.50  0.63  0.80 

F.13   0.20  0.25  0.32  0.32  0.50  0.32  0.40  0.50  0.63  0.80  0.40  0.50  0.63  0.63  1.00 

F.14   0.25  0.32  0.40  0.40  0.63  0.40  0.50  0.63  0.63  1.00  0.50  0.63  0.80  0.80  1.25 

F.15   0.32  0.40  0.50  0.50  0.80  0.50  0.63  0.80  0.80  1.25  0.63  0.80  1.00  1.00  1.60 

(Unit: seconds) 

 
 
 
 

Summary of Contents for Phot-X II 303

Page 1: ...MODEL 303 DENTAL X RAY Service Manual Ver 1 R ...

Page 2: ...2 13 Error Code E 14 9 2 14 Error Code E 15 10 2 15 Error Code E 16 10 2 16 Error Code E 17 11 2 17 Error Code E 19 11 2 18 Error Code E 20 11 2 19 Error Code E 22 12 2 20 Error Code E 23 12 2 21 Others 12 3 Setting Mode 13 3 1 Film type digital mode and priority selection 13 3 2 Tube current adjustment value 14 3 3 Tube voltage adjustment value 14 3 4 Buzzer 15 3 5 Manual setting of preheating po...

Page 3: ...one 7 mA 70 kV 20 4 2 8 Film number and exposure time for long cone 7 mA 70 kV 21 4 2 9 Sensor sensitivity number and exposure time for short cone 4mA 60kV 21 4 2 10 Sensor sensitivity number and exposure time for long cone 4mA 60kV 22 4 2 11 Sensor sensitivity number and exposure time for short cone 7mA 60 kV 22 4 2 12 Sensor sensitivity number and exposure time for long cone 7mA 60kV 23 4 2 13 S...

Page 4: ...re switch or the hand switch from the timer PC board and check continuity of the cables Pay special attention to the cord bush and connectors Solution Replace the exposure switch or the hand switch if any failure is found 2 2 Error Code E 01 Meaning The exposure switch was pressed within three seconds after power on The exposure switch was pressed within ten seconds after previous exposure To rele...

Page 5: ...oto 1 Photo 1 Power PC board Adjust VR01 on the power PC board to make b a x 0 03 Possible cause 2 The memory is out of order Verification Check C XX setting at overview mode Refer to section 3 9 Solution If C 7F is displayed memory is out of order and timer PC board should be replaced 2 4 Error Code E 03 Meaning The exposure switch was pressed when the supply voltage was more than 110 of the rate...

Page 6: ...not resolved Possible cause 1 If seven segment LED displays not more than 1 mA the power PC board or the head is out of order Solution 1 Both the power PC board and x ray head should be changed if the manufactured date is Oct 2005 or earlier 2 X ray head should be changed if the manufactured date is Nov 2005 or later If the tube current is not more than 1 mA after the head is replaced change the p...

Page 7: ...en 7 mA is set To release Turn off the main power switch and confirm all displays go off Then turn on again Verification Make an exposure for 0 05 seconds and check the tube current After exposure do not release the exposure switch Press the mA button twice while holding down the exposure switch Keep holding down the exposure switch and check that the T5 light is on and the indication of the seven...

Page 8: ... exposures for 0 1 seconds and check whether the same symptom appears every time Solution Decrease the setting value for h XX Refer to section 3 5 If not resolved Possible cause The power PC board or the head is out of order Verification Replace the head and check whether the same symptom Error code E 08 appears again Solution If the same symptom appears the cause of the error is presumed to lie i...

Page 9: ... power switch is turned on To release Turn off the main power switch and confirm all displays go off Then turn on again Solution There is a failure in the power PC board Replace the PC board 2 13 Error Code E 14 Meaning Tube voltage immediately before termination of exposure was less than 50 kV when 60 kV is set or less than 60 kV when 70 kV is set To release Turn off the main power switch and con...

Page 10: ...n the head 2 15 Error Code E 16 Meaning Tube voltage during exposure dropped to less than 40 kV when 60 kV is set or less than 50 kV when 70 kV is set To release Turn off the main power switch and confirm all displays go off Then turn on again Verification The arm cable main output line may be broken Disconnect the arm cable from the head 10P connector and the power PC board 2P connector and check...

Page 11: ...E 20 Meaning The exposure switch was pressed when the temperature inside the head was 60 or higher To release Release the exposure switch to restore the original state Solution It is highly likely that exposures were conducted irrespective of the duties and the temperature inside the head rose to 60 or higher Explain that the operator must wait until the temperature drops until the ready light bec...

Page 12: ... timer PC board Solution Replace the timer PC board Possible cause 2 Something is wrong with the communication circuit on the power PC board Solution Replace the power PC board 2 20 Error Code E 23 Meaning A button other than the exposure switch is already on when the main power switch is turned on To release Release the button in question to restore the original state Verification It is likely th...

Page 13: ... the communication cable Possible cause 2 The exposure switch circuit on the timer PC board is out of order Solution Replace the timer PC board Possible cause 3 The exposure switch circuit on the power PC board is out of order Solution Replace the power PC board ３ Setting Mode 3 1 Film type digital mode and priority light 1 To enter to this mode Hold down both of the tube current button and the tu...

Page 14: ... voltage exposure film and digital mode are off For the tube current light 4 mA is on The seven segment LED displays EP X X represents the tube current adjustment value for 4 mA held at the time The standard setting is EP 8 3 Operation and display Press the or button to increase decrease the tube current adjustment value displayed on the seven segment LED Select the value you want and press the pa...

Page 15: ...button for approximately one second An alarm sounds and the value is stored as a new alarm setting value Factory default is bu 2 3 5 Manual setting of preheating power 1 To enter this mode Hold down the Film and T4 buttons for approximately three seconds 2 The status when you enter the mode The ready light blinks The lights for teeth patient cone exposure film and digital mode are off For the tube...

Page 16: ...automatic lock and the following numbers have the meanings as described below 0 If it sits idle for approximately eight minutes while the power is on it automatically enters the energy saving mode 1 If it sits idle for approximately eight minutes while the power is on it automatically enters the lock mode Select the value you want and press the patient selection button for approximately one second...

Page 17: ...1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 F 00 0 02 0 02 0 03 0 03 0 05 0 03 0 04 0 05 0 05 0 08 0 04 0 05 0 06 0 06 0 10 F 01 0 03 0 03 0 04 0 04 0 06 0 04 0 05 0 06 0 06 0 10 0 05 0 06 0 08 0 08 0 13 F 02 0 03 0 04 0 04 0 05 0 08 0 05 0 06 0 08 0 08 0 13 0 06 0 08 0 10 0 10 0 16 F 03 0 04 0 05 0 05 0 06 0 10 0 06 0 08 0 10 0 10 0 16 0 08 0 10 0 10 0 13 0 20 F 04 0 05 0 06 0 08 0 08 0 13 0 08 0...

Page 18: ...0 2 50 3 20 F 15 1 60 2 00 2 00 2 50 2 50 3 20 3 20 Unit seconds 4 2 3 Film number and exposure time in film mode for short cone 7 mA 60 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 F 00 0 01 0 01 0 02 0 02 0 03 0 02 0 02 0 03 0 03 0 05 0 02 0 03 0 03 0 04 0 06 F 01 0 01 0 02 0 02 0 02 0 03 0 02 0 03 0 03 0 04 0 06 0 03 0 04 0 04 0 05 0 08 F 02 0 02 0 02...

Page 19: ...2 50 3 20 F 15 0 80 1 00 1 25 1 60 2 00 1 60 1 60 2 00 2 50 3 20 2 00 2 00 2 50 3 20 3 20 Unit seconds 4 2 5 Film number and exposure time in film mode for short cone 4 mA 70 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 F 00 0 01 0 02 0 02 0 02 0 03 0 02 0 03 0 03 0 04 0 06 0 03 0 04 0 04 0 05 0 08 F 01 0 02 0 02 0 03 0 03 0 04 0 03 0 04 0 04 0 05 0 08 0...

Page 20: ... 00 2 50 3 20 F 15 1 00 1 25 1 60 2 00 2 50 2 00 2 00 2 50 3 20 2 50 2 50 3 20 Unit seconds 4 2 7 Film number and exposure time in film mode for short cone 7 mA 70 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 F 00 0 01 0 01 0 01 0 02 0 01 0 02 0 02 0 02 0 03 0 02 0 02 0 02 0 03 0 04 F 01 0 01 0 01 0 01 0 02 0 02 0 02 0 02 0 02 0 03 0 04 0 02 0 03 0 03 0 ...

Page 21: ...15 0 63 0 80 1 00 1 00 1 60 1 00 1 25 1 60 1 60 2 50 1 25 1 60 2 00 2 00 3 20 Unit seconds 4 2 9 Sensor sensitivity number and exposure time in digital mode for short cone 4 mA 60 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 d 00 0 01 0 01 0 01 0 02 0 02 0 02 0 02 0 02 0 03 0 04 0 02 0 02 0 03 0 03 0 05 d 01 0 01 0 02 0 02 0 02 0 03 0 02 0 03 0 03 0 03 0...

Page 22: ... 25 1 60 2 00 2 00 3 20 d 15 0 80 1 00 1 00 1 25 2 00 1 25 1 60 2 00 2 00 3 20 1 60 2 00 2 50 2 50 Unit seconds 4 2 11 Sensor sensitivity number and exposure time in digital mode for short cone 7 mA 60 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 d 00 0 01 0 01 0 01 0 01 0 01 0 02 0 02 0 01 0 01 0 02 0 02 0 03 d 01 0 01 0 01 0 02 0 01 0 01 0 02 0 02 0 03...

Page 23: ... 1 25 1 60 d 15 0 40 0 50 0 63 0 80 1 00 0 80 0 80 1 00 1 25 1 60 1 00 1 00 1 25 1 60 2 00 Unit seconds 4 2 13 Sensor sensitivity number and exposure time in digital mode for short cone 4 mA 70 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 d 00 0 01 0 01 0 02 0 01 0 01 0 02 0 02 0 03 0 01 0 02 0 02 0 02 0 04 d 01 0 01 0 01 0 01 0 01 0 02 0 02 0 02 0 02 0 ...

Page 24: ... 80 1 00 1 25 1 60 1 00 1 00 1 25 1 60 2 00 d 15 0 50 0 63 0 80 1 00 1 25 1 00 1 00 1 25 1 60 2 00 1 25 1 25 1 60 2 00 2 50 Unit seconds 4 2 15 Sensor sensitivity number and exposure time in digital mode for short cone 7 mA 70 kV Patient Children Adult Large Adult Teeth T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 T1 T2 T3 T4 T5 d 00 0 01 0 01 0 01 0 02 0 01 0 01 0 01 0 02 d 01 0 01 0 01 0 01 0 01 0 02 0 01 0 01...

Page 25: ...8 0 08 0 10 0 13 0 16 d 06 0 04 0 05 0 06 0 06 0 10 0 06 0 08 0 10 0 13 0 16 0 08 0 10 0 13 0 13 0 20 d 07 0 05 0 06 0 08 0 08 0 13 0 08 0 10 0 13 0 13 0 20 0 10 0 13 0 16 0 16 0 25 d 08 0 06 0 08 0 10 0 10 0 16 0 10 0 13 0 16 0 20 0 25 0 13 0 16 0 20 0 25 0 32 d 09 0 08 0 10 0 13 0 13 0 20 0 13 0 16 0 20 0 25 0 32 0 16 0 20 0 25 0 25 0 40 d 10 0 10 0 13 0 16 0 16 0 25 0 16 0 20 0 25 0 25 0 40 0 2...

Page 26: ...the yoke of the new head Do not forget to insert the stopper ring Fig 5 Fig 4 8 Insert the head key into the retaining groove while holding the head in position Stopper Ring 9 Remove the adhesive tape and slide the arm collar downward Secure it with the arm collar screw 10 Connect the 10P connector and secure the arm cable with the nylon clamp in the yoke Secure the green ground wires from the arm...

Page 27: ...posures until Fin is displayed 4 Turn off the main power switch on the front panel of PHOT X II 5 2 Power PC board Turn off the main power at the circuit breaker panel 1 Remove the top two screws and open the front cover Fig 1 2 Remove the two screws which secure the shield box Then remove the shield box Fig 2 3 Disconnect the four connectors 2P 3P 4P and 8P from the power PC board Fig 3 4 Remove ...

Page 28: ... together T1 T4 and T5 until h xx appears in the exposure time display window 3 Wait until the display changes to 0 01 Make an x ray exposure by depressing the exposure switch 4 Repeat step 3 until Fin is displayed in the exposure time display window you will make approximately eight 8 to ten 10 x ray exposures until Fin is displayed 5 Turn off the main power switch on the front panel of PHOT X II...

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