Replaceable Parts 103
Table 5-5. Parts List For 200 Watt A1 Main Board for Agilent Models 654xA and 664xA (continued)
Reference
Desig.
Applicable Models
Agilent Part No.
Description
Q303
65/6641A-65/6644A
1854-0989
XSTR NPN SI
Q303
65/6645A
1855-0849
MOSFET-N-CHAN
Q304
65/6641A, 65/6642A
5060-3315
FET Assembly HS (1855-0725)
Q304
65/6643A, 65/6644A
5060-3314
FET Assembly HS (1855-0614)
Q305
65/6641A-65/6644A
1854-0989
XSTR NPN SI
Q305
65/6645A
1855-0849
MOSFET-N-CHAN
Q306
65/6641A, 65/6642A
5060-3315
FET Assembly HS (1855-0725)
Q306
65/6643A, 65/6644A
5060-3314
FET Assembly HS ( 1855-0641)
Q307
65/6641A-65/6644A
1854-0989
XSTR NPN SI
Q307
65/6645A
1855-0849
MOSFET-N-C H A N
Q308
65/6641A, 65/6642A
5060-3315
FET Assembly HS (1855-0725)
Q308
65/6643A, 65/6644A
5060-3314
FET Assembly HS (1855-0614)
Q600
65/6642A
5060-3321
Regulator Assembly HS (1826-0106)
Q601
65/6642A
5060-3320
Regulator Assembly HS (1826-0122)
Q700
1854-0477
XSTR NPN 2N2222A
Q770
5060-3245
Regulator Assembly HS
R201
65/664lA, 65/6642A
0811-3849
Resistor 0.25 5% 3W
R201
65/6643A
0811-3848
Resistor 0.39 5% 3W
R201
65/6644A
0811-3847
Resistor 0.66 1% 3W
R201
65/6645A
0811-1220
Resistor 1.5 5% 3W PW
R202
0698-3430
Resistor 21.5 1%
R203
65/6641A-65/6644A
0698-3441
Resistor 215 1% .125W
R204
0757-0280
Resistor 1K 1% .125W
R206
65/6641A, 65/6642A
0811-3849
Resistor 0.25 5% 3W
R206
65/6643A
0811-3848
Resistor 0.39 5% 3W
R206
65/6644A
0811-3847
Resistor 0.66 1% 3W
R206
65/6645A
0811-1220
Resistor 1.5 5% 3W PW
R207
0698-3430
Resistor 21.5 1%
R208
65/6641A-65/6644A
0698-3441
Resistor 215 1% .125W
R209
0757-0280
Resistor 1K 1% .125W
R210
65/6641A
0698-8959
Resistor 619K 1%
R210
65/6642A
0698-8959
Resistor 619K 1%
R210
65/6643A
0757-0481
Resistor 475K 1%
R210
65/6644A
0757-0481
Resistor 475K 1%
R210
65/6644A
0699-0070
Resistor 3.16M 1%
R211
65/6641A,65/6642A
0811-3849
Resistor 0.25 5% 3W
R211
65/6643A
0811-3848
Resistor 0.39 5% 3W
R211
65/6644A
0811-3847
Resistor 0.66 1% 3W
R211
65/6645A
0811-1220
Resistor 1.5 5% 3W PW
R212
0757-0316
Resistor 42.2 1%
R213
0698-3441
Resistor 215 1% .125W
R214
0698-0085
Resistor 2.61K 1%
R215
65/6641A-65/6643
0698-3454
Resistor 215K 1%
R215
65/6644A, 65/6645A
0757-0466
Resistor 110K 1%
Summary of Contents for 6541A
Page 12: ...12 Verification Figure 2 1 Basic Test Setup CV TESTS CV TESTS ...
Page 18: ...18 Verification Figure 2 3 CC RMS Noise Measurement Test Setup ...
Page 30: ......
Page 32: ...32 Troubleshooting Figure 3 1 Top View with Cover Removed for 655xA 665xA Models Sheet 1 of 2 ...
Page 33: ...Troubleshooting 33 Figure 3 1 Top View with Cover Removed for 655xA 665xA Models Sheet 2 of 2 ...
Page 37: ...Troubleshooting 37 Figure 3 2 Overall Troubleshooting Flow Diagram Sheet 1 of 4 ...
Page 38: ...38 Troubleshooting Figure 3 2 Overall Troubleshooting Flow Diagram Sheet 2 of 4 ...
Page 39: ...Troubleshooting 39 Figure 3 2 Overall Troubleshooting Flow Diagram Sheet 3 of 4 ...
Page 40: ...40 Troubleshooting Figure 3 2 Overall Troubleshooting Flow Diagram Sheet 4 of 4 ...
Page 51: ...Troubleshooting 51 Figure 3 5 No Display Troubleshooting ...
Page 52: ...52 Troubleshooting Figure 3 6 OV Will Not Fire Troubleshooting ...
Page 53: ...Troubleshooting 53 Figure 3 7 OV At Turn On Troubleshooting Sheet 1 of 2 ...
Page 54: ...54 Troubleshooting Figure 3 7 OV At Turn On Troubleshooting Sheet 2 of 2 ...
Page 55: ...Troubleshooting 55 Figure 3 8 Output Held Low Troubleshooting Sheet 1 of 2 ...
Page 56: ...56 Troubleshooting Figure 3 8 Output Held Low Troubleshooting Sheet 2 of 2 ...
Page 57: ...Troubleshooting 57 Figure 3 9 Output Held High Troubleshooting ...
Page 58: ...58 Troubleshooting Figure 3 10 DAC Circuits Troubleshooting ...
Page 60: ...60 Troubleshooting Figure 3 13 Serial Down Troubleshooting Sheet 1 of 2 ...
Page 61: ...Troubleshooting 61 Figure 3 13 Serial Down Troubleshooting Sheet 2 of 2 ...
Page 62: ...62 Troubleshooting Figure 3 14 Secondary Down Troubleshooting Sheet 1 of 2 ...
Page 63: ...Troubleshooting 63 Figure 3 14 Secondary Down Troubleshooting Sheet 2 of 2 ...
Page 64: ...64 Troubleshooting Figure 3 15 Slow Down Programming Troubleshooting ...
Page 65: ...Troubleshooting 65 Figure 3 16 Isolator Board Circuits Troubleshooting ...
Page 80: ......
Page 87: ...Principles of Operation 87 Figure 4 4 Output Power and Control Circuits ...
Page 94: ......
Page 136: ......
Page 145: ...Figure 6 1 Power Supply Interconnection Diagram for All Models ...
Page 146: ...Figure 6 2 AC Power Distribution Diagram for 655xA 665xA Models ...
Page 147: ...Figure 6 3 GPIB Board Assembly Diagram sheet 1 of 2 ...
Page 148: ...2 3 4 1 6 5 7 8 Figure 6 3 GPIB Board Schematic Diagram sheet 2 of 2 ...
Page 149: ...Figure 6 4 Front Panel Board Assembly Diagram sheet 1 of 2 ...
Page 150: ...Figure 6 4 Front Panel Board Schematic Diagram sheet 2 of 2 ...
Page 152: ...Figure 6 5 A1 Main Board Assembly Diagram for 654xA 664xA Models Only ...
Page 160: ...Figure 6 6 Left Tunnel Circuits Schematic Diagram for 654xA 664xA Models Only sheet 2 ...
Page 162: ...Figure 6 7 Right Tunnel Circuits Schematic Diagram for 654xA 664xA Models Only sheet 2 ...
Page 164: ......
Page 168: ......