HP 8565A User manual

MANUAl
CHANGES
,...-MANUAl IDENTIFICATION-
Model Number: 8565A
Date Printed: August 1977
Part Number: 08565-90014
This supplement contains important information for correcting manual errors and for adapting the manual to
instruments containing improvements made after the printing of the manual.
To use this supplement:
Make
all ERRATA corrections
Make all appropriate serial number related changes indicated in the tables below_
_ Serial Prefix or Number -r- Make Manual Changes_
.-- Serial Prefix or Number-,-- Make Manual Changes_
1712A00136 thru 1
1712A00175
1712A00176 thru
1' 2
1712A prefix
1748A00276 thru
1,2,3
1748A00295
1748A00296 thru 1, 2, 3, 4
1748A00335
1748A00336 thru
1,2,3,4,5
1748A prefix
1811A
1-6
1820A
1-7
1822A
1-8
1832A
1-9
1837A
1-10
1838A
1-11
1842A
1-12
.. NEW ITEM
ERRATA
Page 1-14, Table 1-3:
1849A
1850A
1851A
1902A
1905A
1911A00866 thru
1911A00940
1911A00941 thru
1911A01045 and
00904,00915,
00920,00925
1929A
1933A
~~ 1937A
Add, after spectrum analyzer, 8553B
in Recommended column.
Page 1-16, Table 1-3:
Add the following:
NOTE
1-13
1-14
1-15
1-16
1-17
1-18
1-19
1-20
1-21
1-22
Manual change supplements are revised as often as necessary to keep manuals as current and accurate as possible.
Hewlett-Packard recommends that you periodically request the latest edition of this supplement. Free copies are available
from all HP offices. When requesting copies quote the manual identification informatioil from your supplement, or the model
number and print date from the title page of the manual.
8 AUGUST 1979
26 Pages
Printed in U.S.A.

08565-90014 Model8565A
ERRATA (Cont'd)
Instrument
Critical Specifications Recommended Model Use*
Synthesized Signal Generator Frequency Resolution: 2Hz HP 8660A/C p
Tracking Generator Tracks 8553/8552 Spectrum
HP 8443A A
Analyzer Tuning
DC Power Supply 4 to 6 Volts de (Floating)
HP 6214A A
Page 1-16, Table 1-3:
Change fourth adapter from top Recommended Model to HP 86290-60005.
Page 2-9, Table 2-4:
Change first NOTE in table to read:
Select 1. 7-4.1 FREQUENCY BAND GHz and adjust TUNING control to center 2.2 GHz signal on CRT display.
Page 2-15, Paragraph 2-37:
Change CAL OUTPUT specification in step. b to -10 dBm ±0.3 dB.
Add the following at the end
of step d: Return 335D step attenuator to 0 dB.
Page 4-14, Paragraph 4-10:
Add the following statement after "Option 100 Only" (above step u): (Use HP Model 8660A/C in place of HP 8640B).
Page 4-15, Paragraph 4-11 :
Add the following note at beginning
of procedure:
NOTE
If 8565A has Option 100 installed, use HP Modei8660A/C Synthesized Signal Generator
to perform steps b through h.
Page 5-10 through 5-12, Table 5-2:
Replace with new pages 5-9 through 5-12 included in this Manual Changes supplement.
Page 5-19, Paragraph 5-13:
Replace entire page with new page 5-19/5-20 included
in this Manual Changes supplement.
Page 5-33, Paragraph 5-18:
Add the following note at the end
of step b:
NOTE
If Option 100 is installed, connect 20 dB attenuator between step attenuator and analyzer
INPUT.
Page 5-35, Paragraph 5-18:
Replace entire page with new
page 5-35/5-36 included in this Manual Changes supplement.
Page 5-43, Paragraph 5-20:
Change "A23TP3" at end
of first sentence in step n-5 to "A23TP6".
Page 5-45, Paragraph 5-20:
Change
"200kHz" in third line of step z to "200 MHz".
Change "1 MHz" to "1 kHz" RESOLUTION
BW in fourth line of step ab.
Page 5-48, Paragraph 5-21:
2
Add the following sentence to step a: "Install A21 Video Assembly on extender board".
Add to control settings in step c: "INPUT ATTEN ... 0 dB."
HEWLETT
PACKARD

Model8565A 08565-90014
ERRATA (Cont'd)
Page 549, Paragraph 5-21:
Change step j to read: "Disconnect signal generator from step attenuator and record offset voltage at A21 TP5 ."
Change first sentence
ofstep k to read: "Reconnect signal generator and set output level to 0 dBm."
Change step m
to read: "Adjustment complete. Set LINE switch OFF, disconnect power cord, remove extender boards,
and install
A21 Video Assembly, A28 Variable Gain Amplifier Assembly, and 8565A top cover."
Page 549, Table 5-9:
Change "Reference ±20 m V" to "Reference ±5 m V" in five places.
Page 5-52, Paragraph 5-22:
Add the following setting to step
g: SWEEP TRIGGER ... EXT.
Page 5-94, Paragraph 5-31, step x:
Change sentence following reference to Figure 5-59 to read, "Using REF LEVEL CAL and REFERENCE LEVEL FINE,
set the best line at the center horizontal graticule line."
Page 5-95, Figure 5-59:
Replace entire page with new page 5-95/5-96 included in this Manual Changes supplement.
Page 5-100, Paragraph 5-33:
Replace pages 5-99 through 5-104 with new pages 5-99 through 5-104 included in this Manual Changes supplement.
Page 5-103, Paragraph 5-33:
Change A23TP1 to A23TP11 in step o.
Change factory selected resistor in third line of step r to A25R48.
Page 6-1, Paragraph 6-7:
Change paragraph to read: "To order a part listed in the replaceable parts table, quote the Hewlett-Packard part number
(with the check digit), indicate the quantity required,
a:nd address the order to the nearest Hewlett-Packard office.
The check digit will ensure accurate and timely processing
of your order."
Page 6-4, Table 6-2:
Change AlMP7 through A1MP12 to HP Part No. 08565-60170, Check Digit 5, KNOB ASSY, SMALL POT.
Delete all entries for AlMPI3 through A1MP18 and change description to "NOT ASSIGNED."
Delete all entries for A1MP31 through A1MP42 and change description to "NOT ASSIGNED."
Page 6-5, Table 6-2:
Change A1A2R9 to 0757-0428; RESISTOR 1.62K 1% .125W F TC=0+-100; 0329B; C4-1/8-T0-1621-F.
Add second entry for A2; 08565-60126; FRONT PANEL SWITCH REPLACEMENT ASSEMBLY, INCLUDES A2A1,
A2A4, A2A5, and ASSOCIATED MECHANICAL PARTS. (DOES NOT INCLUDE A2A2, A2A3, FRONT PANEL,
AND KNOBS.)
Page 6-6, Table 6-2:
Change A2MP67 HP Part Number and Mfr Part Number to 08558-20053.
Page 6-8, Table 6-2:
A2A3,
HP Part Number 08565-60006, ASSEMBLY, TUNING: For recommended replacement, see CHANGE 18.
Page 6-9, Table 6-2:
Change A2A3R3 to 2100-3726; RESISTOR-VAR PREC W/CP 5-TRN 20K 10%; 28480; 2100-3726.
Page 6-11, Table 6-2:
Change A5C12, C13, Cl4, and CIS to 0160-3665; CAPACITOR-FXD .01 UF +80 -20%500 VDC CER; 28480;
0160-3665.
Page 6-13, Table 6-2:
Add A7C22; 0160-0127; CAPACITOR-FXD
lUF +-20% 25 VDC CER.
HEWLETT ifj PACKARD
3

...
08565-90014 Model8565A
ER~ATA (Cont'd)
Page 6-14, Table 6-2:
Change A7R40
to 0698-3444, RESISTOR 316 1% .125W F TC=0+-100.
Change A7VR1 to A7VR1 *,FACTORY SELECTED PART.
Add A7VR4, 1902-0668, DIODE-ZNR 200V
5% .4W, 28480, 1902-0668.
Page 6-15, Table 6-2:
Change A8R12
to 0698-8994, RESISTOR 8.25M 5% lW, 28480,0698-8994.
Change A8R14 to 0698-8995, RESISTOR 10M 5% lW, 28480,0698-8995.
Add A8R18, 0683-4745, RESISTOR 470K 5% .25W TC=-800/+900, 0160G, CB4745.
Change A9C3
to 0160-4204; CAPACITOR-FXD .033UF +-10% 500 VDC CER.
Change A9CR1 and CR2 HP Part Number and Mfr Part Number to 1901-0743.
Change A9MP1 HP Part Number and Mfr Part Number to 1205-0011.
Page 6-18, Table 6-2:
Change A12R3
to 0698-8824; RESISTOR 562K 1% .125W F TC=0+-100; 28480; 0698-8824.
Page 6-19, Table 6-2:
Change A13CR18, CR21, and CR23 HP Part Number and Mfr Part Number to 1901-0743.
Page 6-20, Table 6-2:
Change description for A14C19 to read: CAPACITOR-FXD .01 UF +80 -20% 100 VDC CER (FACTORY SELECT
PART; ALTERNATE VALUE:
HP P/N 0160-0575,.047 UF 50 VDC CER).
Page 6-24, Table 6-2:
Add A16C27, 0160-3451, CAPACITOR-FXD .OlUF +80 -20% 100 VDC CER, 28480,0160-3451.
Page 6-36, Table 6-2:
Change A20R29 to A20R29*, 0757-0400, RESISTOR 90.9 1% .125W F TC=0+-100 FACTORY SELECTED PART,
0329B, C4-l/8-T0-90R9-F.
Change A20R95 to A20R95*, FACTORY SELECTED PART.
Page 6-38, Table 6-2:
Add A21E2 and A21E3,
HP Part No. 9170-0029, Check Digit 3, CORE-SHIELDING BEAD, 0188G, 56-590-65A2/4A.
Page 641, Table 6-2:
Add A21E2 and A21E3,
HP Part No. 9170-0029, Check Digit 3, CORE-SHIELDING BEAD, 0188G, 56-590-65A2/4A.
Page 6-45, Table 6-2:
Add asterisk(*) after each of the following reference designations: A22C18, C30, C40, C52, and C67.
Page 6-46, Table 6-2:
Change A22CR5, CR6, and CR7
HP Part Number and Mfr Part Number to 1901-0040.
Change A22CR14, CR26, and CR29 HP Part Number and Mfr Part Number to 1901-0047.
Page 6-47, Table 6-2:
Add asterisk after each of the following reference designations: A22R6, R8, R16, R35, R46, R51, and R64.
Delete asterisks after A22R49 and R65.
Delete "*FACTORY SELECTED PART"
in description for A22R49 and R65.
Page 6-48, Table 6-2:
Delete asterisk after A22R69.
Delete "*FACTORY SELECTED PART" in description for A22R69.
Add asterisk after each
of the following reference designations: A22R73, R74, R82, R1 02, R119, R130.
Page 6-49, Table 6-2:
Add asterisk after each of the following reference designations: A23C16, C20, C39, and C43.
Page 6-50, Table 6-2:
Add asterisk after each
of the following reference designations: A23R3, Rl9, R23, R24, and R25.
4
HEWLETT li PACKARD

Model8565A 08565-90014
ERRATA (Cont'd)
Page 6-51 , Table 6-2:
Add asterisk after each
of the following reference designations: A23R43, R49, and R56.
Page 6-53 through 6-58, Table 6-2:
Replace with new pages 6-53 through 6-58 included in this Manual Changes supplement.
Page 6-59, Table 6-2:
Add asterisk after each
of the following reference designations: A27C16, C20, C39, C44, and C64.
Change A27C64* to HP Part No. 0160-2208, Check Digit 4, CAPACITOR-FXD 330PF
±5% 300VDC MICA (FACTORY-
SELECTED PART).
Page 6-60, Table 6-2:
Add asterisk after A27R3, R23, R24, and R25.
Page 6-61, Table 6-2:
Add asterisk after A27R43, R48, and R56.
Page 6-62, Table 6-2:
Add asterisk after A28R2 and R6
..... Change A28R15 to HP Part Number 0698-0082, Check Digit 7, RESISTOR 464 1% .I25W TC=O+-IOO, Mfr Code 03298,
Mfr Part Number C4-I/8-T0464-F. (Refer to CHANGE I8.)
Page 6-66, Table 6-2:
Add asterisk after
A36AIRI4.
Page 6-67, Table 6-2:
Change A36A2Q1 through A36A2Q3 to HP Part Number 1854-0404, Check Digit 0, TRANSISTOR NPN SI TO-I8
PD=360MW (Recommended Replacement).
Change A36A2R26* to HP Part No. 0757-0460, Check Digit 1, RESISTOR 61.9K I% .125W F TC=O±IOO (FACTORY-
SELECTED PART).
Page 6-74, Table 6-2:
Change A40A2CR4, A40A2CR9, A40A2CR14, A40A2CR30, A40A2CR34, and A40A2CR38 to HP Part Number
I90I-0734,Check Digit 0, DIODE-PWR RECT 1N58I8 30V AI D0-41.
Change A40A2CR19 and A40A2CR24 to HP Part Number I90I-0743, Check Digit I, DIODE-PWR RECT IN4004
400V IA D0-41.
Page 6-75, Table 6-2:
Change A40A2CR42 to HP Part Number 1901-0743, Check Digit 1, DIODE-PWR RECT 1N4004 400V IA D0-41.
Change A40A2MP9 second line of Description to read, "(FOR Q5 THRU Q9)".
Page 6-78, Table 6-2:
Delete part number
ofLI and change description to read: COIL ASSEMBLY, ALIGNMENT (P/0 ASSEMBLY, CRT
SHIELD, HP PART NO. 08565-60I72).
Delete part number
of L2 and· change description to read: COIL ASSEMBLY, ORTHOGONALITY (P/0 ASSEMBLY,
CRT SHIELD, HP PART NO. 08565-60172).
Change HP Part No. ofS2 to 310I-2I88.
Page 6-79, Table 6-2: ,
Change
W38 HP Part Number and Mfr Part Number to 8I20-2594.
Change W39 HP Part Number and Mfr Part Number to 8120-2595.
Under Miscellaneous Parts, delete
HP Part No. 9320-37I4, 8565A INSTRUMENT (PULL-OUT) CARD.
Add HP Part No. 08565-90023, Check Digit 0, INFORMATION CARD, ENGLISH.
Add
HP Part No. 08565-90024, Check Digit I, INFORMATION CARD, JAPANESE.
Add
HP Part No. 08565-90025, Check Digit 2, INFORMATION CARD, FRENCH.
Add HP Part No. 08565-90026, Check Digit 3, INFORMATION CARD, GERMAN.
HEWLETT~ PACKARD
5

08565-90014
ERRATA (Cont'd)
Page 6-80, Table 6-2:
Delete entire line for 08565-00041 and 08565.00067.
Delete HP Part No. 08565.00068.
Add HP Part No. 08565-60172, Check Digit 7, ASSEMBLY, CRT SHIELD (INCLUDES L1 AND L2).
Change description ofHP Part No. 08565-20093 to "CIRCUIT ENCLOSURE, 4-TAP."
Change description
ofHP Part No. 08565-20096 to "CIRCUIT ENCLOSURE, 8-TAP."
Add HP Part No. 8120-2625, Check Digit 3, FAN CORD.
Page 8-7, Paragraph 8-21:
Insert WARNING immediately before step
g:
WARNING
If an attempt is made to repair the clutch mechanism of A2A3 Tuning Assembly, HP Part No.
08565-60006, use extreme care. Ball bearings under spring tension could cause serious injury if
they are suddenly released when the clutch mechanism is disassembled.
Page 8-28, Figure 8-8:
Change pin numbers of A2A1Jl as follows: 1 to 2, 4 to 1, 47 to 50, and 50 to 49.
Change pin numbers of A2AlJ2 as follows: 1 to 2, 4 to 1, 31 to 34, and 34 to 33.
Page 841, Figure 8-27, Service Sheet 10:
Add C27 .01 J.LF in Block e between pins 6 and 7 of U2B.
Change "last used" in note 10 to C27.
Page 8-57, Figure 8-40:
Change A14C19
to C19* (factory select part).
Page 8-61, Figure
846:
Change value of A36A2R26* to 61.9K.
Page 8-71, Figure 8-56, Service Sheet 19:
Change R29 in block 0 (output of U6B) to R29* 90.9 ohms.
Page 8-75, Figure 8-63, Service Sheet 21:
Delete asterisk after R19 in block
C!) .
Add asterisk after R24 and after R25 in block C!)
Change C44* in block (9 to 110 pF.
Change value of A27C64* to 330 pF.
Page 8-79, Figure 8-69, Service Sheet 23:
Add asterisk after R24 and after R25 in block(i) .
Change C43* in block eto llOpF.
Change C34* in block 4D (near Q8) to C39*.
Page 8-81, Figure 8-72, Service Sheet 24:
Delete asterisk after R23 in block e .
Add asterisk after R35 in block«<J .
Add asterisk after C30 and after
R51 in block (t .
Delete asterisk after R65 in block e .
Add asterisk after C40 and after R73 in blockC!) .
Add asterisk after C52 and after R82 in block 0 . -
6
HEWLETT ll PACKARD
Model8565A

Model8565A
ERRATA (Cont'd)
Page 8-81, Figure 8-72, Service Sheet 24 (Cont'd):
Add asterisk after C67 in block
Add asterisk after
CIS in block
Add asterisk after R64 in block
Delete asterisk after R63
Change R30* in block
Page 8-83, Figure 8-75:
block 0
(Ul B pin 3) to R130*.
Add ferrite beads, A21 E2 and A21 E3, to the leads to A21C17.
08565-90014
Page 8-95, Figure 8-90, Service Sheet 31:
Add VR4 200V zener diode in blockGwith cathode connected to +158V supply and anode connected
to assembly
ground.
Add connection from A7Q10 collector
to pin 3 ofU3A in block 6).
Page 8-110, Figure 8-104:
Interchange pin numbers 1 and 17 on AUX A connector.
Page 8-115, Figure 8-109, Service Sheet 3 7:
Add asterisk after R48 in block e .
Delete asterisk after R23 in block(!) .
Change R39 in block C!) to 5.62 ohms.
Page 8-117, Figure 8-112, Service Sheet 38:
Add asterisk after R64 and after R7 in block e.
Change R67 in block G to 42.2K.
Add asterisk after R17 and after R18 in block e
Add asterisk after R27 and after R28 in block «!)
Add asterisk after R36 and after R37 in block 0
Add asterisk after R45 and after R46 in block 0 .
Add asterisk after R48 and after R49 in block (9 .
Change R53 (100Hz GAIN adjustment) in block (9 to 2K.
Page 8-119, Figure 8-117, Service Sheet 39:
Change RIO in block e to L4 4.7 t.tH.
Delete L4 from "not used" in Note 7.
Add RIO under "not used" in Note 7.
Page 8-123/8-124, Figure 8-120:
Add ferrite beads, A21E2 and A21E3, to the leads to A21Cl7.
HEWLETT ll PACKARD
7

08565-90014 Model8565A
CHANGE 1
Page 6-66, Table 6-2:
Change A36A2C4 to 0160-4299, CAPACITOR-FXD,2200 PF +- 20% 25VDC, 0420J, C067F251F222M522-CDH.
Page 6-67, Table 6-2:
Change A36A2L6 to 9100-1648, COIL-MLD 560 UH 5% Q =65 .19DX .44LG, 0217B, 19-1331-29J.
Page 8-61, Figure 8-46, Service Sheet 16:
Change A36A2C4 in block 6) to .0022 t.tF.
Change A36A2L6 in block 6) to 560 t.tH.
CHANGE2
Page 6-17, Table 6-2:
Change AllYl to 0410-0490, CRYSTAL, 2.5 MHz.
Page 6-62, Table 6-2:
Change A28Q6 to 1854-0247, TRANSISTOR NPN SI T0-39 PD =1W FT =800 MHz.
Page 8-69, Figure 8-54, Service Sheet 18:
Change Yl in block G) to 2.5 MHz.
CHANGE 3
Page 1-3, Table 1-1 (2 of 3):
Replace with new pages 1-3 and 1-4 included in this Manual Changes supplement.
Pages 4-26 and 4-27, Paragraph 4-15:
Replace with new pages 4-25 through 4-28 included in this Manual Changes supplement.
Page 4-43, Paragraph 4-20:
Change ±2.2 dB
at end of step n to ±2.5 dB.
Page 6-78, Table 6-2:
Change AT4 to 08565-60090; ATTENUATOR, COAX 3 dB.
Add AT7; 0955-0114; ATTENUATOR, COAX 3 dB.
Change W7 to 08565-20120; CABLE ASSEMBLY, 1.8 LPF OUTPUT.
Page 8-20, Figure 8-4, Service Sheet 1:
Add AT7 ATTENUATOR, 3 dB, between FL3 and K1 in RF Input Assemblies block.
Change AT4 ATTENUATOR to 3 dB.
Page 8-23, Figure 8-5, Service Sheet 2:
Add AT7 ATTENUATOR, 3 dB, between FL3 and Kl in RF InputAssemblies block.
Change AT4 ATTENUATOR to 3 dB.
Page 8-31, Figure 8-13, Service Sheet 6:
8
Change AT4 to 3 dB PAD.
Change 1.7 -22 GHz input power level to A30 to -18 dBm.
Change 321.4 MHz IF power level from -31 dBm to -28 dBm (two places).
Add block Ci) AT7 3 dB PAD as shown in the following partial schematic:
HEWLETT~PACKARD

Model8565A
CHANGE 3 (Cont'd)
NOTE 5
.01-I.BGHz
-10.5d8m
fi) FL3 LBGH' LOWPASS FI~E-; l
Jl JZ
~- i~!J
W7
F3-;;J
I Jl PI
1.7~22GHz r
-15dBm
NOTES----~
L -KI COAX SWITCH
2 N/0 1
r---o Jl
'
~,
J2 I
I
I
I
P/0 Figure 8-13 (Change 3)
HEWLETT
PACKARD
08565-90014
9

,.
08565-90014 Model8565A
CHANGE 4
Page 6-15, Table 6-2:
Add A9CR7; 1901-0159; DIODE-PWR RECT 400V 750MA D0-41; 0203G; 5R1358-4.
Page 6-16, Table 6-2 :
Add A9VR2; 1902-0041; DIODE-ZNR 5.11V 5%D0-7 PD=.4W TC=-.009%; 0203G; SZ 10939-98.
Page 8-97, Figure 8-93, Service Sheet 32:
Add A9VR2 and A9CR7 in block e as shown in the following partial schematic:
8 +26 V FILTEJ:;J
I
P/0 Figure 8-93 (CHANGE 4)
CHANGE 5
Page 6-50, Table 6-2:
Change A23CR6, CR8, CR14, and CR15, to 1901-0535; DIODE-SCHOTTKY.
Change A23Q5 and Q9 to 1855-0267; TRANSISTOR J-FET N-CHAN D-MODE SI; 28480; 1855-0267.
Page 6-60, Table 6-2:
Change A27CR6, CR8, CRI4, and CRI5 to 1901-0535; DIODE-SCHOTTKY.
Change A27Q5 and Q9 to 1855-0267; TRANSISTOR J-FET N-CHAN D-MODE SI; 28480; 1855-0267.
CHANGE 6
Page 1-4, Table 1-1:
Change stability specification for Option I00 to read as follows:
Total residual FM (Fundamental Mixing)
Stabilized: <IOO Hz P-P in 0.1 seconds
Unstabilized: <IO kHz P-P in 0.1 seconds
Page 4-18, Paragraph 4-12:
Change specification for stabilized total residual FM to read: <200Hz P-P in 0.1 sec .. 01 to 8.5 GHz (<100Hz P-P in
0.1 sec .. 01 to 4.1 GHz for Option 100).
CHANGE 7
Page 64, Table 6-2:
Change AIMPI
HP Part Number and Mfr Part Number to 0856540014.
Change A1MP2 first entry HP Part Number and Mfr Part Number to 08565-00075.
Change AIMP2 second entry HP Part Number and Mfr Part Number to 08565-00078.
Change A1MP4 HP Part Number and Mfr Part Number to 08565-00082.
Change A1MP6 HP Part Number and Mfr Part Number to 08565-00077.
Page 6-5, Table 6-2:
Change A2MP1 HP Part Number and Mfr Part Number to 08565-00074.
10
HEWLETT 'PACKARD

..
Model8565A 08565-90014
CHANGE 8
Page 6-13, Table 6-2:
Change A7C16 to 0180-2141;CAPACITOR-FXD 3.3UF +-10% 50VDC TA; 0420J; 150D335X9050B2.
Add A7C23; 0160-3877; CAPACITOR-FXD 100PF +-20% 200VDC CER; 28480; 0160-3877.
Page 6-14, Table 6-2:
Change A7R61 to 0698-3454; RESISTOR 215K 1% .125W F TC=0+-100; 0329B; C4-l/8-T0-2153-F.
Page 8-9 5, Figure 8-90, Service Sheet 31 :
Change A7C16 to 3.3J1F in block 6).
Change A7R61 to 215K in block 6).
Add A7C23, 100pF, from base to collector of A7Ql0 in block f).
CHANGE 9
Page 5-75, Paragraph 5-28:
Delete entire NOTE following step q.
Page 6-67, Table 6-2:
Change A36A2R27 to A36A2R27*; 0757-0199 21.5K 1% .125W F TC=0+-100 FACTORY SELECTED PART;
0329B; C4-1/8-T0-2152-F.
Page 8-61, Figure 8-46, Service Sheet 16:
Change A36A2R27 to R27* 21.5K (fixed resistor) in block f)
Delete note 4 (right-hand side of schematic).
CHANGE10
Page 6-53, Table 6-2:
Add A24El1; 9170-0029; CORE-SHIELDING BEAD.
Page 6-75, Table 6-2:
Change A40A2Q9 to 1854-0311; TRANSISTOR NPN 2N4240 SI T0-66 PD=35W; 0192A; 2N4240.
Change A40A2Q28 and Q29 to 1854-0079; TRANSISTOR NPN 2N3439 SI T0-5 PD=lW; 0192A; 2N3439.
Page 8-119, Figure 8-117:
Add ferrite bead (-/]-) Ell to emitter of A24Ql0 in block 6)
CHANGE11
Page 6-64, Table 6-2:
Change A35MP6 to 08565-00079; OSCILLATOR HOUSING-SECOND CONVERTER COVER; 28480;
08565-00079.
Change A35AlMP1 to NOT ASSIGNED.
HEWLETT~PACKARD
11

08565-90014 Model8565A
CHANGE12
Page 6-10, Table 6-2:
Change A4Q6 and A4Q7 to 1855-0368 (Check Digit= 7); TRANSISTOR J-FET N-CHAN D-MODE T0-72 SI; 28480;
1855-0368.
Page 6-11, Table 6-2:
Change A4R17 to 0757-0420 (Check Digit= 3); RESISTOR 750 1% .125W F TC=0+-100; 0329B; C4-l/8-T0-751-F.
Page 6-20, Table 6-2:
Change A14C7 to 0160-0302 (Check Digit= 5); CAPACITOR-FXD .018UF +-10% 200VDC POLYE; 28480; 0160-0302.
Page 6-50, Table 6-2:
Change A23Rl9* and A23R43* to 0757-0290 (Check Digit= 5); RESISTOR 6.19K 1% .125W F TC=0+-100, 0299E;
MF4C 1/8-T0-6191-F.
Page 6-65, Table 6-2:
Change A36 HP Part Number and Mfr Part Number to 08565-60124 (Check Digit= 9).
Add A36C7; 0160-0970 (Check Digit= 3); CAPACITOR-FXD .47UF
+-10% 80 VDC POLYE; 28480; 0160-0970.
Add A36MP34; 0360-0452 (Check Digit= 0); TERMINAL-SLDR LUG (GROUND CONNECTION FOR A36C7); 28480;
0360-0452.
AddA36MP35;2190-0009 (Check Digit= 4);WASHER-LOCK INTERNAL TOOTH
No.8 .166-IN-ID; 28480; 2190-0009.
Page 6-76, Table 6-2:
Change A40A2R27 to 0757-0418 (Check Digit =9); RESISTOR619 1% .125W F TC=0+-100;0329B; C4-l/8-T0-619R-F.
Page 8-57, Figure 8-40:
Change Al4C7 to .018,uF in block C) .
Page 8-61, Figure 846:
Add A36C7 .47pF from where § wire connects to A36C4 (far right side of schematic) to ground.
Page 8-79, Figure 8-69:
Change A23Rl9* and A23R43* to 6190 ohms in blocks$ and G) .
Page 8-93, Figure 8-88:
Change A4Rl7 to 750 ohms in block«!) .
Page 8-109, Figure 8-103:
Change A40A2R27 to 619 ohms
in block0 .
CHANGE13
Page 6-16, Table 6-2:
Add AlOR8, 0683-1055 (Check Digit= 1); RESISTOR
1M 5% .5W CC TC=O+IOOO; 0160G; EB1055.
Add AlOVl; 1970-0050 (Check Digit= 8); TUBE-ELECTRON SURGE VOLTAGE PROTECTOR; 28480; 1970-0050.
Page 6-50, Table 6-2:
12
Change A23R23* and A23R48* to 0757-0441 (Check Digit= 8); RESISTOR 8.25K 1% .125W F TC=0+-100; 0329B;
C4-l/8-T0-8251-F.
HEWLETT ll PACKARD

Model8565A 08565-90014
CHANGE 13 (Cont'd)
Page 6-60, Table 6-2:
Change A27R23* and A27R48* to 0757-0441 (Check Digit= 8); RESISTOR 8.25K 1% .125W F TC=0+-100; 0329B;
C4-l/8-T0-8251-F.
Page 8-75, Figure 8-63, Service Sheet 21:
Change A27R23* and A27R48* to 8250 ohms in blocks 0 and G)
Page 8-79, Figure 8-69, Service Sheet 23:
Change A23R23* and A23R48* to 8250 ohms in blocks 0 and (J) .
Page 8-99, Figure 8-94, Service Sheet 33:
Replace with new Figure 8-94 included in this Manual Changes supplement.
Page 8-99, Figure 8-95, Service Sheet 33:
Add AlOVl and AlOR8 as shown in the following partial schematics:
A1D DISPLAY MOTHERBOARD ASSEMBLY
XA9
L
903
+26V UNREG
I
-16
' T
w/
I
I
,2
17/
rh
L_
-15V
18'
' 97 T T 3
"/
J
I
+15V
/4
19/
-15V
'
+15V 1
/5
'
92
20/
I
I
NC
/6
21
NC
~+5.2V NC
7
22/
NC
I
NC ,a
23
NC
/ 3
+158V NC
9 24'
f"
"/
I
,10
25'
-/
,;,
~
NC
, II
26'
NC
12 27'
"/
NC
13
28
NC
/14
29
NC
15- 30"-
A9 HIGH VOLTAGE
OSCILLATOR ASSEMBLY
P/0 Figure 8-95 (CHANGE 13)
HEWLETT IJj PACKARD
13

08565-90014
CHANGE 13 (Cont'd)
i
XA7
+!11 .2v
N~
r
li 1 ~8 ~9 ~0 ~ J ~3 ~4 1
A7
STORAGE
ASSEMBLY
I
~I
+15V
2 3
~4 ~5
rr1 ~
9
~
0
Nb Jc NIC
/;
+158V
-15V
E4 (
l
E2
E3 (
I
R8
IM
~·~
E5 /
1
~6 ~7 ~8
~9 ~0
I
~II
12 13 14
15
~
/;
P/0 Figure 8-95 (CHANGE 13)
CHANGE14
Page 6-79, Table 6-2:
~
~
~
96
98
9!1
~
93
-®-
~
9
r---CD-
ORTHOG
STORE MESH
COLLIM
FLOOD
GUN GRID
PAT
GND
ORTHOG
FLOOD
GUN HTR
FLOOD GUN ACC
COLL MESH
ASTIG
WRITE GUN ACC
R3 ~
31.6K•
~~
Rl
8.1V
+i58V
t:
Change W12 HP Part Number and Mfr Part Number to 08565-20161 (Check Digit= 0).
Change W13 HP Part Number and Mfr Part Number to 08565-20162 (Check Digit= 1).
CHANGE15
Page 64, Table 6-2:
Change
A1MP2 first entry HP Part Number and Mfr Part Number to 08565-00085 (Check Digit= 7).
Change A1MP2 Second entry HP Part Number and
Mfr Part Number to 08565-00086 (Check Digit= 8).
CHANGE16
Page 6-4, Table 6-2:
Change A1MP4 to 08565-00112 (Check Digit= 9); PANEL, FRONT DISPLAY; 28480; 08565-00112.
Page 6-5, Table 6-2:
Change
A2MP1 to 08565-00111 (Check Digit= 8); PANEL, FRONT DRESS; 28480;08565-00111.
14
HEWLETT' PACKARD
Model8565A

Model8565A
D
.II
0
XAB
XA9
E2 E4
DDODD
El E3 E!5
XA4
RG
0 ...
XA7
r-'1
I I
y
Cl
{M)-
{.l!:.g. XA6
-Liit -P"_fr
-firuJ- -[!IJ-
Figure 8-94. AJO Display Motherboard, Component Locations (CHANGE 13)
HEWLETT~PACKARD
08565-90014
15

08565-90014
CHANGE 16 (Cont'd)
Page 6-78, Table 6-2:
Model8565A
Add AT8; 0955-0124 (Check Digit = 4); ATTENUATOR, COAX 2
DB (INCLUDED IN YTO REPLACEMENT KIT,
HP PART NUMBER 08565-60161).
Change W8 to 08565-20163 (Check Digit= 2); CABLE ASSEMBLY, YTO; 28480; 08565-20163.
Page 6-79, Table 6-2:
Add 08565-60161 (Check Digit =4); KIT, YTO REPLACEMENT (INCLUDES AT8 2 DB ATTENUATOR AND A31
YTO ASSY; DOES NOT INCLUDE W8 YTO CABLE ASSY).
Page 8-20, Figure 8-4, Service Sheet 1:
Add AT8 2 dB Attenuator between A31 YIG Tuned Oscillator and A30 First Mixer.
Page 8-23, Figure 8-5, Service Sheet 2:
Add AT8 2
dB Attenuator between A31 YTO and A30 First Mixer.
Page 8-31, Figure 8-13, Service Sheet 6:
Add block 0 AT8 2 dB Pad between A31 YTO and A30 First Mixer. Refer to block 0 for proper configuration of pad.
CHANGE 17
Page 6-8, Table 6-2:
Change A2A2DS1 through
DS5 to 1990-0619 (Check Digit= 7); DISPLAY-NUM SEG 1 CHAR .3-H GA-ARSD-PPHD;
28480; 1990-0619.
Change A2A2Rl through R8 to 0698-4037 (Check Digit = 0); RESISTOR 46.4 I% .125W F TC=O±lOO; 0329B;
C4-l/8-T0-46R4-F.
Page 6-30, Table 6-2:
Change A17U8 HP Part Number and Mfr Part Number to 1826-0618 (Check Digit= 9). The 1826-0261 may be used as
an alternate replacement part.
Page 6-64, Table 6-2:
Change A35AlL2
HP Part Number and Mfr Part Number to 08559-80001 (Check Digit= 5).
Delete 9170-1028 (entire line) following A35AlL2.
Page 6-74, Table 6-2:
Change A40A2C9 to 0160-3670 (Check Digit = 6); CAPACITOR-FXD .lUF ±20% 200 VDC CER; 28480; 0160-3670.
Change A40A2CR25 to 1901-0743 (Check Digit= 1); DIODE-PWR RECT 1N4004 400V lA D0-41; 0169H; 1N4004.
Page 6-75, Table 6-2:
Change A40A2Q30 to HP Part Number 1884-0279, Check Digit 0, THYRISTOR-SCR T0-220AB VDRM=600V MAX
IT (RMS) =4A MAX PG(AV) =100 MW MAX VGT =.800V MAX RCA S2060M.
Page 8-29, Figure 8-9, Service Sheet 5:
Change A2A2Rl through R8 to 46.4 ohms.
Page 8-85, Figure 8-77, Service Sheet 26:
Delete connection between XA28 pins 34 and 35.
Connect XA28 pin 35
to bus between XA28 and XA25 and label this new line "IFG 3 (FROM Jl-14)".
Page 8-107, Figure 8-102:
-Delete Figure 8-102 and replace with new Figure 8-102 included in this Manual Changes supplement.
Page 8-109, Figure 103, Service Sheet 36:
Add diode CR25 in block with cathode connected to TPlO (+158V) and anode connected to ground.
16
HEWLETT~PACKARD

Model8565A
+5.2V
0
0
0
e
A40A2
I Jl
I J2
10 15
CIS
~------~------~
~
Pl 15
16 ln
Figure 8-102. A40A2 Regulator Assembly, Component Locations (CHANGE 17)
HEWLETT~PACKARD
08565~90014
0
+15VR
0
rn SIGNAl
'V GND
+15VR
ADJ
17

08565-90014 Model8565A
CHANGE18
Page 5-49, Paragraph 5-21:
Delete step m and add following steps:
m. SetLINE switch OFF, remove extender board, install A28 Variable Gain Amplifier Assembly, set LINE switch
to
ON. Connect signal generator to 8565A INPUT SOQ. Tune 8565A to 21 MHz and center signal on screen.
n. Set REF LEVEL to 0 dBm and attenuator to 0 dB. Note the signal level.
o. Set REF LEVEL to
-40 dBm and attenuator to 40 dB. Adjust A24Rl 40 dB to place signal at the reference level
noted in step n.
p. Adjustment complete. Set LINE switch OFF, disconnect power cord, remove extender board, install A28 Variable
Gain Amplifier, and install 8565A top cover.
Page 5-49, Table 5-9:
Delete Table 5-9 and replace with new Table 5-9, REF LEVEL Step Gain Adjustment (CHANGE 18) included in this
Manual Changes supplement.
Table 5-9. REF LEVEL Step Gain Adjustment (Change 18)
REF lEVEl Step Attenuators Adjustment
Voltage A21TP5
OdBm 0 dB A24R4 GAIN Reference (800 mV +offset)
-10 dBm 10 dB A24R3 10 dB Reference ±5 mV
-20 dBm
20dB A24R2 20 dB
Reference ±5 mV
-30 dBm 30 dB None Reference ±5 mV
-40 dBm 35 dB A24Rl 40 dB Reference ±5 mV
-50 dBm 45 dB
None Reference ±5 mV
Page 6-8, Table 6-2:
Change A2A3 to HP Part No. 08565-60168, Check Digit 1, ASSEMBLY, TUNING.
NOTE
HP Part No. 08565-60006 is obsoleted for production, and HP Part No. 08565-60168, the
preferred replacement, is not field repairable except for replacement of potentiometers A2A3R1,
A2A3R2, and A2A3R3 and cable assembly A2A3W1.
Delete A2A3MP1 through A2A3MP57.
Page 6-51, Table 6-2:
Change A24 (STANDARD) to HP Part Number 08565-60166, Check Digit 9, ASSEMBLY, STEP GAIN AMPLIFIER.
18
HEWLETT i:j PACKARD

•
Model8565A 08565-90014
CHANGE 18 (Cont'd)
Page 6-53, Table 6-2:
Change A24Rl to HP Part Number 2100-3054, Check Digit 6, RESISTOR-TRMR50 K 10% C SIDE-ADJ 17-TRN.
Page 6-54, Table 6-2:
Change A24R38 to HP Part Number 0757-0417, Check Digit 8, RESISTOR 562 1% .125W F TC=O±IOO.
Page 6-59, Table 6-2:
Change A27CR2 to HP Part Number 1901-0639, Check Digit 4, DIODE-PIN llOV.
Page 6-61, Table 6-2:
Change A28 to HP Part Number 08565-60121, Check Digit 6, ASSEMBLY, VARIABLE GAIN.
Page 6·62, Table 6-2:
Add A28C38 through A28C43,
HP Part Number 0160-2055, Checkpigit 9, CAPACITOR-FXD .OIUF +80 -20%
IOOVDC CER.
Add A28CR13, HPPart Number 1901-0047, Check DigitS, DIODE-SWITCHING 20V 75MA IONS.
Add A28ES, iiP Part Number 9170-0029, Check Digit 3, CORE-SHIELDING BEAD.
Change A28L4 to HP Part Number 9140-0112, Check Digit 2, COIL-MLD 4.7UH 10% Q=33 .155DX.375LG-NOM.
Add A28L10 and
A28Lll, HP Part Number 9100-1623,Check Digit 8, COIL-MLD 27UH 5% Q=60 .155DX.375LG-NOM.
Add A28Q8 and A28Q9, iiP Part Number 1854-0247,Check Digit 9, TRANSISTOR NPN SI
T0-39 PD=IW FT=800MHZ.
Page 6-63, Table 6-2:
Add A28R38,
HP Part Number 07575-0274, Check Digit 5, RESISTOR 1.21K 1% .125W F TC=0±100.
Add A28R39, HP Part Number 0698-0083, Check Digit 8, RESISTOR 1.96K 1%.125W F TC=0±100.
Add A28R40, HP Part Number 0757-0416, Check Digit 7, RESISTOR 511 1% .125W F TC=O±IOO.
Add A28R41, HP Part Number 0757-0401, Check Digit 0, RESISTOR 100 1% .125W F TC=0±100.
Add A28R42, HP Part Number 0698-3447, Check Digit 4, RESISTOR 422 1% .125W F TC=0±100.
Add A28R43, HP Part Number 0757-0346, Check Digit 2, RESISTOR 10 1% .125W F TC=O±IOO.
Add A28R44, HP Part Number 0698-3447, Check Digit 4, RESISTOR 422 1% .125W F TC=0±100.
Add A28R45, HP Part Number 0757-0280, Check Digit 3, RESISTOR 1K 1% .125W F TC=0±100.
Add A28R46, HP Part Number 0757-0417, Check Digit 8, RESISTOR 562 1% .125W F TC=0±100.
Add A28R47, HP Part Number 0757-0280, Check Digit 3, RESISTOR 1K 1% .125W F TC=0±100.
Add A28R48, HP Part Number 0757-0442, Check Digit 9, RESISTOR 10K 1% .125W F TC=0±100.
Add A28R49, HP Part Number 0698-3447, Check Digit 4, RESISTOR 422 1% .125W F TC=O±IOO.
Add A28VR2, HP Part Number 1902-0048, Check Digit 1, DIODE-ZNR 6.81V 5% D0-7 PD=.4W TC=+.043%.
Page 8-72, Service Sheet 20:
In A28 VARIABLE GAIN ASSEMBLY, CIRCUIT DESCRIPTION:
Change
Band Conversion Loss Compensating Amplifier 4!) to Band Conversion Loss Compensating Amplifier 0 .
Change Reference Level Calibration Attenuator 0 to Reference Level Calibration Attenllator .0 .
Change Signal Identifier Attenuator 0 to Signal Identifier Attenuator $
Add the following paragraphs:
5 dB Step Gain Amplifier 4!)
The buffer amplifier Q8 operates as an emitter-follower and provides isolation between the IF pre-amplifier circuit
and Q9.
Transistor Q9 functions as either a unity gain amplifier or as a 5 dB gain amplifier switch in conjunction with the
15
dB Step Gain Amplifier circuit of A24 Step Gain Amplifier Assembly.
The gain of the Q9 stage is set by the ratio R42/R44. When the 15 dB Step Gain circuit of A24 is selected (IFG3
line grounded), R46
is switched in parallel to R44, resulting in a gain of 5 dB for Q9.
Page 8-73/8-74, Figures 8-58 and 8-59:
Remove pages 8-73 and 8-74;replace with replacement pages 8-73 and 8-74 provided with this Manual Changes supplement.
HEWLETT~PACKARD
19

. ..
08565-90014 Model8565A
CHANGE 18 (Cont'd)
Page 8-76, Service Sheet 22:
In A24 STEP GAIN AMPLIFIER ASSEMBLY, CIRCUIT DESCRIPTION:
Delete circuit description for 10 dB Amplifier, First 20 dB Amplifier, and Second 20 dB Amplifier G e 0
Add new circuit description in the following paragraphs:
10 dB Amplifier, 20 dB Amplifier, and 15 dB Amplifier e8 0
The three step gain amplifiers (10 dB Amplifier, 20 dB Amplifier, and 15 dB Amplifier) can be considered as
operational amplifiers. An equivalent circuit forthe three stages is shown in Figure 8-65. The gain for each amplifier
is Av =1 + Rf/~. The feedback resistance Rf is R26, 562 ohms, for the 10 dB Amplifier; R32, 750 ohms, for the
20 dB Amplifier; and R38, 562 ohms, for the 15 dBAmplifier. The input resistance Ri is a combination of a fixed
series resistance (56.2 ohms) and the controlled resistance
of the PIN diodes. The resistance of the PIN diodes is
approximately 10 to 1000 ohms and increases as the forward bias current is decreasedfrom 10 rnA to 10 JJ,A. ~
is approximately 260 ohms for the 10 dB Amplifier and 83 ohms for the 20 dB Amplifier and the 15 dB Amplifier.
Selection of the correct combination of step gain amplifiers is effected by the front-panel REF LEVEL dBm control.
Rotating the switch grounds the emitter circuit
of the selected amplifer(s), allowing current to flow through the
PIN diode(s). The possible switch combinations allow the gain to vary from unity (all switches open) to 50 dB
maximum gain with all three emitter circuits grounded. In addition, 5
dB of step gain from A28 VariableGain
Assembly is switched in simultaneously with that of the 15 dB Amplifier to provide 20 dB of step gain.
A TEST/NORM switch S1 is included in the emitter paths of the 15 dB and 20 dB step gain amplifiers. The switch
provides a fixed 10 dB ·of gain for use when making LOG amplifier adjustments.
Page 8-77, Figure 8-67:
Change HP Part Number of A24 Step Gain Amplifier to 08565-60166.
Change title of function block 8 to "20 dB Amplifier."
Change title offunction block G to "15 dB Amplifier."
Change resistance
of R38 to 562 ohms.
Change resistance of R1 to SOK.
Page 8-118, Service Sheet 39:
In A24 STEP GAIN AMPLIFIER/OSCILLATOR ASSEMBLY (OPTION 100), CIRCUIT DESCRIPTION, under Step Gain
Amplifiers e (t 0
Change "20 dB Amplifier" to "15 dB Amplifier" throughout.
Change value of R38 to 562 ohms throughout.
In last sentence of first paragraph, change "33 dB" to "28 dB."
Page 8-118, Figure 8-113:
Change "20 dB Amplifier" to "15 dB Amplifier."
Change value
of R38 to 562 ohms.
Page 8-119, Figure 8-117:
Change title of function block e
Change value of R1 to SOK.
to "15 dB Amplifier."
Change value
of R38 to 562 ohms.
20
HEWLETT~PACKARD