
Model
Manual
| 
 | SERIAL | 
 | 
 | MAKE | 
 | |
| Prefix | Number | CHANGES | ||||
| 6~ | 0213 | - | 0512 | 1 | 
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| 6E | 0513 | - | 0667 | 1,s | 
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| ALL | 
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 | Errata | 
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| 6E | 0668 | - | Q7,17 | 1.2,3 | 
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| 6E | 0718 | - | 0742 | ls2j3.4 | 
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| 6E | 0743 | - | 0842 | 1 | thru | 5 | 
| II45A | 0843 | - | 0932 | 1 | thru | 6 | 
| 1145A | 0933 | I | thru | 7 | ||
| 1723A | I448 | - | 1507 | 1 thru | 8 | |
| 183lA | 1508 | . | LID | I. | thl | 9 | 
MANUAL CHANGES
6lIOA DC Power Supply HP Pati No. 
| 
 | No. | RS | 6. | 
 | 
 | 
 | 
 | 
 | ||||
| Change | 
 | CR29 | and CR30 to: Rect. Si. 75OmA | 
 | ||||||||
| 
 | 8OOpw. | quantity | 
 | 2, | IN5062, | GE 03508, | HP | Part | ||||
| 
 | No. | RS | 2. | 
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| 
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 | CHANGE | 3: | 
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| In | the | Replaceable | 
 | Parts | Table, | change | the | HP | ||||
| Part No. | of | switch | Sl | to | This | 
 | 
 | |||||
| witch | 
 | requires | new | front | panel | lettering. | 
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 | |||
| 
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 | CHANGE | 4: | 
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| In | the | replaceable | parts | table, | change | the | HP | l’art | ||||
| No. | of | switch | Sl | to | 
 | 
 | 
 | 
 | ||||
CHANGE 1:
In tho Replaceable Parts Table, change R76 from
8.2Kn to 4.3L, G%, $W, HP Part No. 
| 
 | 
 | 
 | 
 | CHANGE | 
 | 2; | 
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| In | Replaceable | Parts | List, | 
 | make | 
 | the | following | 
 | ||||
| changes: | 
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 | 
 | |
| Cl9: | Change | to | HP | Part | 
 | No. | 
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 | |||||
| X201 | thru R209: | Change | 
 | to | lL, | 
 | +l%, | +W, | HP | ||||
| 
 | Part No.  | 
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 | |||
| P.G. | Board: | Change | to | HP | Part | No. | |||||||
| Rl9: | Change | to | IKn, | &l%, | 
 | +W, | HP | Part No. | 
 | ||||
| 
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| T2: | Change | to HP Pz,rt | No. | 
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 | ||||||||
| Option | OS: | T2: | Delete. | 
 | (Transformer | 
 | need | not be | |||||
| 
 | changed.) | 
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| Option | 18: | T2: | change | to | HP | Part No. | |||||||
| 
 | 
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 | 
 | 
 | ERRATA: | 
 | 
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 | 
 | 
 | 
 | ||
| QT. | 8: | Change | to | 2N2907As | 
 | Sp:ague, | 56289, | EP | |||||
| Part No.  | SS | PNP | Si. | 
 | 
 | 
 | |||||||
| In | Replaceable | Puts | TabIe, | 
 | make | the | followinq | 
 | |||||
| change: | 
 | 
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 | 
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 | 
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 | 
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 | 
 | |
| QIl: | Change | tQ | 2N4240, | 
 | RCA, | 
 | HP | Part | No. | 
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| 
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On Page 
change the second wntence to read:
To adapt the manual to se&l numbers prior to
6FOl61, make the following changes.
On the Schematic Diagram. change the value of
capacitor Cl4 to 2OpF.
In the Replaceable Puts Table, deleta the listing
for 
ERRATA:
In Table 
~omtnon connection to “Vl72 anode.”
In the Replaceable Parts Table, add the following:
Over, heating element, HP Part No* 
(Installation and calibration instructions for
oven are covered in Service Note 
| 
 | 
 | 
 | 
 | 
 | 
 | ERRATA: | 
 | 
 | 
 | |
| In Table | and | page | paragraph | step | ||||||
| c., | change | the | ripple | and noise | specification | to: | ||||
| “Less | 
 | than | 2mVrms | and | 5mV | ” | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | CHANGE | 6: | 
 | 
 | 
 | |
| The | Serial | Prefix | of | this | unit | has | been | changed | to | |
| lI45A. | 
 | This i3 | the | only | change. | 
 | 
 | 
 | ||
CHANGE ?!
In the Replaceable Parts Table and on the schematic,
change R9 to 120.&5%, 1,‘2W, HP Part No. 0686- 1215.
In the Replaceable Parts Table, make the following changes:
Change CRll, 
2OOprv, quantity 7, IN5059, GE 03508, HP Part