Agilent Technologies 6571A, Service Manual

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14
6
Backdating
Serial Numbers Change
Model 6673A
3138A 00101 13
3151A 00116 9
3216A 00141 7
3239A 00176 12
3239A 00226 14
3345A 00356 35
All 19,22,36
3501A 00796 38
3620A 01006 39
3634A 01086 40
Model 6674A
3126A 00131 1,13
3144A 00181 2
3146A 00191 3,5,9
3208A 00103 5
3215A 00251 7
3216A 00261 12
3216A 00331 14
Serial Numbers Change
Model 6674A (cont)
3346A 00391 35
All 15,16, 19,20,21,
22,23,24,25,36
3501A 00941 38
3619A 01161 39
3632A 01225 40
Model 6675A
3138 00101 13
3149A 00116 9
3216A 00136 7
3234A 00156 12
3242A 00191 14
3350A 00221 35
All 19,22,36
3502A 00551 38
3619A 00796 39
3632A00932 40
CHANGE 1
In Table 5-9:
CHANGE: Capacitor from 100pF 5% Agilent P/N 0160-4801 to resistor zero ohm Agilent P/N 8159-0005 (Circuit
Reference C506) NOTE The resistor will be inserted where the capacitor was. Wire Agilent P/N 8150-2408 is hand wired
from J509 pin 16 to U502 pin 12.
In Table 5-7:
DELETE: Resistor 100 ohms 0.1% 0.125 watt Agilent P/N 0757-0401 (R383)
CHANGE 2
In Table 5-3:
CHANGE: From 5060-3422 to 5060-3367
CHANGE: From 5060-3334 to 5060-3385
CHANGE 3
In Table 5-9:
ADD:
1) Resistor, R550, 4.99K 1% 1/8W Agilent P/N 0698-3279, Qty. 1 (Located in C506 position).
2) Jumper, 26ga, Agilent P/N 8150-2408 or equivalent, Qty. 1.5inch (between C741 and R550).
DELETE: Resistor, REF C506, Zero Ohm Agilent PIN 8159-0005, Qty. 1.