2715 Spectrum Analyzer Service Manual
9-2
1.85
GHZ*
Atten
A18
P250
P100 P150 W7
P210
RF
Input
P/O
FrontPanel
Low
Pass
Filter
P150
W4 P350 RF
RF
Input
1st
Converter
1stMixer
Assembly
P300 4.5
GHZ
W30
LowPass
Filter
W31
LO
P130
W8 2.11
GHZ
BandPass
Filter
Locked
2ndLO
RF
Mother
A14
P670
W10 P100 P190
J1
J2
VR
A13
P150
P100
P620
RF Option
A23
J4
P190 P260
Log
A7
1 2 3
Jack
Earphone
Speaker
J102
P190
Micro
Processor
A10
W16
Display
Storage
A9
Digital
Options
A11
P550
P550
W56 (RS232)
J104
P195P180
Front
Panel
A6
P200
W35
Reference
Oscillator
A21
RearPanel
Controls&
Connector
1stLO
Interface
1stLO Assy
(YigOscillator)
1st
LO
Buffer
1stLO
Buffer
AmpAssy
A12A2
HFVCO
A12A3
LFVCO
Phase
Lock/CFC
V1
CRT
A15
Power
Supply
W42
W36
W37
W58
P430
P100 P100
P380
P100
P130 P540
P140
P240
P460
P140
P130
P110
P180
P180 P110
J3 J2 J750
Sweep
A5
P3
W29
P110
P130
P140
J550
Phase
LockAssembly
PhaseLock Assembly
P480
FL17
FL18
A19
A17
A16
Future
Option
9KHz--
1.8GHz
FL16
W24
2.11GHZ
J14
P450P565
RF MotherBoard
Assembly
J13
Future
Option
W48
W47
W14
W13
10
W26P550
P185
50
P/O
A11
IF Gate
Count
W45
100MHz --4dBm
W22 2.11--3.91GHz
W44 Strobe
Phase/Beat
W27 6
P300
P230
W38
W4616
10 10
3
W43
OSCRef 100MHz --4dBm
J290
P2
W2
15
W1
2
W41
P160
IFCount
10W54
W25
ToRear Panel
ifOption 15 is
Installed
P346
10MHZ
--20dBm
W12
P550
FromA15
PowerSupply
FromA15
PowerSupply
20
2.11--3.91GHz
LS103
10
20
10
W28
100MHz
10
A12A1
Video
Demod
A28
W61
W57(GPIB)
W5
110MHzW62
W3
FromRear
Panel
J103Pin 10
W59 W60
10MHz
--20dBm
110MHz
W6
OPT 50/75
9KHz--2.15GHz
*2.2GHZFOR
OPT 50/75
Figure 1-1: Interconnect Diagram, Part 1