5.2.3.8
Peak hold lower limit check
Procedures:
After the sensor adjustments are finished, connect the oscilloscope probes to
the test-point
(sensor output) and TP3 (peak hold).
External trigger of the oscilloscope connects the
of the SNS-18.
Shield the light by covering the lens with paper.
Make sure that the
output decreases as the TP3 output decreases.
3)
Verify that the TP3 output is stabilized at 0.7
0.1 V when the
output is
decreased to 0.5 V or less.
s - 2 4
Summary of Contents for OKIFAX OF-38
Page 1: ...OfClFAx OF 38 Facsimile Transceiver HELD SERVICE HANDBOOK...
Page 2: ...OKIFAX OF 38 FACSIMILE TRANSCEIVER FIELD SERVICE HANDBOOK 0 0...
Page 7: ...C H A P T E R I GENERAL INFORMATION 0 0 s...
Page 8: ...CHAPTER 1 GENERAL INFORMATION 1 1 Features l l 1 2 GeneralAppearance l 3 0 0 c7...
Page 12: ...Fig 1 2 3 Operation Control Panel of the OKIFAX OF 38 l 4...
Page 13: ...0 0 co CHAPTER 2 SPECIFICATIONS...
Page 31: ...2 1 8...
Page 39: ...2 2 6...
Page 52: ...09s r El 1 SLl r pr Fig 2 1 General appearance and dimensionsof the OKIFAX OF 38 2 39...
Page 53: ...CHAPTER 3 lNSTALi_ATION...
Page 77: ...Table3 7 3 PTT parameter 3 2 3...
Page 112: ...Fig 3 13 1 Flow chart for typical message reception 3 5 8...
Page 113: ...Fig 3 13 2 Flow chart for typical message transmission 3 59...
Page 114: ...CHAPTER 4 MAINTENANCE...
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Page 160: ...CHAPTER 5 ADJUSTMENT...
Page 174: ...n mmmmm m mrm m 5 1 3...
Page 175: ...3 Scanner assembly SNS 18 PC BOARD SCREW SHIELDING PLATE Fig 5 2 4 Scanner assembly 5 14...
Page 186: ...CHAPTER 6 TROUSLESHOOTING...
Page 191: ...0 0 0 Fig 6 1 1 MODEM PC board 6 4...
Page 198: ...Li YU3512 1667 Fig 6 1 2 NCU 181 PC board JC3 6 1 1...
Page 211: ...Note No INo 6 2 4...
Page 214: ...6 2 4 Document Skew Put a smaller original in the carrier sheet and fed them together 6 2 7...
Page 220: ...C H A P T E R 7 DISASSEMBLY ASSEMBLY P...
Page 225: ...f 3z _ d 7 4...
Page 252: ...5 Remove a screw 0 SCREW 6 Remove the two screws Fig 7 3 11 3 SCREWS BOARD Fig 7 3 11 4 7 31...
Page 268: ...CHAPTER 8 BRIEF TECHNICAL DESCRIPTION...
Page 270: ...OKIFAX OF 38 overall circuit diagram Fig 8 1 1 m _ n 111 I I 1 Cl...
Page 271: ...t j_1 I 1 I I 1 c I_ c 8 3...
Page 273: ...m I j jj Read hugeData _ _t PrintlmageData...
Page 274: ...1 I _ __ __ _ M B 1 Fig 8 2 2 _ OKIFAX OF 38 G3 data send signal flow...
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