Pos Description
Part No.
P
L12
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L13
CHOKE 4.70µH 5% LQH1N4R7J
2422 535 94048 P
L14
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L15
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L16
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L17
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L18
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L19
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L2
CHOKE 4S2 3.5X6MM BANDAD 80ohm at 100MHz 5322 157 61928 P
L20
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L21
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L22
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L23
CHOKE 4S2 3.5X6MM BANDAD 80ohm at 100MHz 5322 157 61928 P
L24
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L25
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L3
CHOKE 4S2 3.5X6MM BANDAD 80ohm at 100MHz 5322 157 61928 S
L4
FILTER-EMI BLM21A102SPT Z=1Kohm 0.2A
R=0.6ohm
2422 549 43133 P
L5
CHOKE 4S2 3.5X6MM BANDAD 80ohm at 100MHz 5322 157 61928 S
L6
CHOKE 10mH B82722-J2102-N1 1A
5322 157 70143 S
L7
CHOKE 10.00µH NEWPORT 18R103
2422 536 00061 P
L8
CHOKE 10.00µH NEWPORT 18R103
2422 536 00061 P
L9
CHOKE 33µH TSL0809-330K1R2
5322 157 53568 S
Q1
TRANSISTOR BF513 .03A20V SOT23
4822 130 60686 S
Q10
TRANSISTOR 0.5A BC807-25 45V SOT23
5322 130 60845 S
Q11
TRANSISTOR 0.5A BC817-25 45V SOT23
4822 130 42804 S
Q12
TRANSISTOR BC847B .1A45V SOT23
4822 130 60511 S
Q13
TRANSISTOR BFG97 0.1A 15V SO223
4822 130 63069 S
Q14
TRANSISTOR BC847B .1A45V SOT23
4822 130 60511 S
Q15
TRANSISTOR BC857B .1A45V SOT23
5322 130 60508 S
Q16
TRANSISTOR BC847B .1A45V SOT23
4822 130 60511 S
Q17
TRANSISTOR 0.5A BC817-25 45V SOT23
4822 130 42804 S
Q2
TRANSISTOR 25 MA BFR92A 20V SOT23
5322 130 60647 S
Q24
TRANSI-NPN SMD BFG16A SOT223 1.5GHz 1W
9340 022 10701 R
Q27
TRANSI-NPN SMD BFG16A SOT223 1.5GHz 1W
9340 022 10701 R
Q28
TRANSISTOR BFT92 25MA 15V SOT23
5322 130 44711 S
Q29
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q3
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q30
TRANSISTOR BFT92 25MA 15V SOT23
5322 130 44711 S
Q31
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q32
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q33
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q34
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q35
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q36
TRANSISTOR BSR12 0.1A 15V SOT23
5322 130 44743 S
Q37
TRANSISTOR BSR12 0.1A 15V SOT23
5322 130 44743 S
Q38
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q39
TRANSISTOR BFS17 .05A 15V SOT23
5322 130 40781 S
Q4
TRANSI-HF N SMD BFR93A 35mA 12V SOT23
5322 130 60705 S
Q5
TRANSISTOR BCP51 1.5A 45V SOT223
5322 130 62639 S
Q6
TRANSISTOR BC847B .1A45V SOT23
4822 130 60511 S
Q7
TRANSISTOR 0.5A BC807-25 45V SOT23
5322 130 60845 S
R1
RESISTOR 47 ohm 1% 0.125W 100PPM 1206
5322 116 80448 S
R10
RESISTOR 120 ohm 1% 0.125W 100PPM 1206
4822 051 10121 S
R100 RESISTOR 27 ohm 1% 0.1W 100PPM 0805
4031 002 27090 S
Pos Description
Part No.
P
R101 RESISTOR 4.7 kohm 1% 0.125W 100PPM 1206
4822 051 54702 S
R105 RESISTOR 1.00 kohm 1% 0.125W 100PPM 1206
4822 051 51002 S
R106 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R107 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R108 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R109 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R11
RESISTOR 120 ohm 1% 0.125W 100PPM 1206
4822 051 10121 S
R110 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R111 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R112 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R113 RESISTOR 100 ohm 1% 0.1W 100PPM 0805
5322 117 12497 S
R115 RESISTOR 10.0 kohm 1% 0.125W 100PPM 1206
4822 051 51003 S
R116 RESISTOR 15.0 kohm 1% .125W 100PPM 1206
5322 116 82261 S
R117 RESISTOR 47 ohm 1% 0.1W 100PPM 0805
5322 117 12505 S
R118 RESISTOR 47 ohm 1% 0.1W 100PPM 0805
5322 117 12505 S
R119 RESISTOR 1.00 kohm 1% 0.125W 100PPM 1206
4822 051 51002 S
R12
RESISTOR 120 ohm 1% 0.125W 100PPM 1206
4822 051 10121 S
R121 RESISTOR 10.0 kohm 1% 0.125W 100PPM 1206
4822 051 51003 S
R122 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R123 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R124 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R125 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R126 RESISTOR 1.00 kohm 1% 0.125W 100PPM 1206
4822 051 51002 S
R127 RESISTOR 1.00 Mohm 1% 0.125W 100PPM 1206
4822 051 10105 S
R128 RESISTOR 1.50 kohm 1% 0.125W 100PPM 1206
4822 051 51502 S
R129 RESISTOR 470 ohm 1% .125W 100PPM 1206
4822 051 54701 S
R13
RESISTOR 120 ohm 1% 0.125W 100PPM 1206
4822 051 10121 S
R130 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R131 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R132 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R133 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R134 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R135 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R136 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R137 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R138 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R139 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R14
RESISTOR 120 ohm 1% 0.125W 100PPM 1206
4822 051 10121 S
R140 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R141 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R142 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R143 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R144 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R145 RESISTOR 330 ohm 1% .125W 100PPM 1206
4822 051 53301 S
R146 RESISTOR 15.0 kohm 1% .125W 100PPM 1206
5322 116 82261 S
R147 RESISTOR 2.20 kohm 1% .125W 100PPM 1206
4822 051 52202 S
R148 THERMISTOR 16.0
W
20% 3.5A S236/16
5322 116 30457 S
R149 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R15
RESISTOR 150 ohm 1% 0.125W 100PPM 1206
4822 051 51501 S
R150 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R151 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R152 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R153 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R154 RESISTOR 220.0 ohm 1% .125W 100PPM 1206
4822 051 52201 S
R155 RESISTOR 330 ohm 1% .125W 100PPM 1206
4822 051 53301 S
R158 RESISTOR 120 ohm 1% 0.1W 100PPM 0805
5322 117 12506 S
R159 RESISTOR 10.0 kohm 1% 0.125W 100PPM 1206
4822 051 51003 S
R16
RESISTOR 150 ohm 1% 0.125W 100PPM 1206
4822 051 51501 S
R160 RESISTOR 390 ohm 1% .125W 100PPM 1206
4822 051 53901 S
R161 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R162 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R163 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R164 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
R165 RESISTOR 100 kohm 1% 0.125W 100PPM 1206
4822 051 51004 S
7-8 Replacement Parts, Main Board
Summary of Contents for PM6685
Page 1: ...Programmable Frequency Counter PM6685 PM6685R Service Manual ...
Page 4: ...This page is intentionally left blank ...
Page 5: ...Chapter 1 Safety Instructions ...
Page 7: ...Chapter 2 Performance Check ...
Page 12: ...This page is intentionally left blank 2 6 Performance Check Options ...
Page 13: ...Chapter 3 Disassembly ...
Page 16: ...This page is intentionally left blank 3 4 Disassembly PM9691 or PM9692 Oven Oscillator ...
Page 17: ...Chapter 4 Circuit Descriptions ...
Page 33: ...Chapter 5 Repair ...
Page 42: ...This page is intentionally left blank 5 10 Safety Inspection and Test After Repair ...
Page 43: ...Chapter 6 Calibration Adjustments ...
Page 49: ...Chapter 7 Replacement Parts ...
Page 53: ...Replacement Parts Mechanical Parts 7 5 80 Lug bent 15 to lock ...
Page 62: ...This page is intentionally left blank 7 14 Replacement Parts GPIB Interface PM9626B ...
Page 63: ...Chapter 8 Drawings Diagrams ...
Page 65: ...This page is intentionally left blank Drawings Diagrams 8 3 ...
Page 66: ...Main PCB Component layout 8 4 Drawings Diagrams Top View ...
Page 68: ...Main PCB Component layout 8 6 Drawings Diagrams Bottom View K2 K1 K3 K4 ...
Page 70: ...This page is intentionally left blank 8 8 Drawings Diagrams ...
Page 72: ...8 10 Drawings Diagrams This page is intentionally left blank ...
Page 74: ...8 12 Drawings Diagrams This page is intentionally left blank ...
Page 76: ...Display Keyboard PCB Component layout 8 14 Drawings Diagrams ...
Page 78: ...GPIB Unit PM9626B Component layout 8 16 Drawings Diagrams ...
Page 79: ...GPIB Unit PM9626B Drawings Diagrams 8 17 ...
Page 80: ...This page is intentionally left blank 8 18 Drawings Diagrams ...
Page 81: ...Chapter 9 Appendix ...
Page 89: ...Replacement Parts 9 9 This page is intentionally left blank ...
Page 90: ...Power Supply Component layout 9 10 Replacement Parts BOTTOM SIDE TOP SIDE ...