Tektronix RSA3303A Service Manual page 230

Step
W101 Input W120
RF
attenuator
relay
INPUT
1
W119
W114
(CAL SIG)
J320 J120 J110
W42
I+ INPUT
W43
I- - INPUT
W44
Q+ INPUT
W45
Q- - INPUT
J901 J900 J902 J911 J910 J912
W82 W83 W80 W84 W85
CN81 CN61/51 CN53 CN81 CN61/51 CN53
Power supply 1 Power supply 2
CN1 CN1
W93 W94
J110 J130
Principal
Line W91 W92
power J100
A71
AC power board
filter
switch
Figure 9- 6: Interconnect diagram (RSA3308A, S/N below B020000 and J300100 and above)
9- 8
Programmable
3 dB
band-pass filter
attenuator attenuator
(YTF)
W123
Step
Band
W121
attenuator
relay
2
W122
W115
W114A W117
J111 J130 J280
A100
Interconnection board
J100 J300
W13
(50 MHz
SIG)
A10 A/D board
A/D
W35
converter
J100
J920
W81 W86
CN2
Power supply 3
CN1
W95
CPU fan
J120
A70
DC power board
DC-DC Voltage
converter regulator
W75
Fans
GPIB
3 dB
RF3 module RF2 module
W307
W106
W201
1st 2nd
(1st IF)
W105
converter converter
1st LO
W28
W26 W21
W27 W22
A20
DDC board
IQ splitter Digital filter
A50 Mother board
PCI bridge Bus buffer
CPU board
W60 A62
IDE1 J100
Front connection board
W61
W70 FDD1 J104
J22 W63
COM1 J110
Bus
W64
J114
USB buffer
W65
A63
CN2
J120
W66
DVO converter
CN3 J122
W69
J102 J112
VGA LAN USB
RF5 module
Gain
block
3rd
W207
Oscillator
Internal
converter
2nd LO
(3rd IF)
block
10 MHz ref.
W23 W208 (3rd LO)
W32
W400
RF4 module
Synthesizer
W30 (A/D CLOCK)
W31 (IF OUT)
W25 (BASEBAND SIG)
A30 A40
Trigger board Memory board
FFT Trigger Acquisition
processor detector memory
J700 J710
W55
U82
CN2
LCD inverter
LCD display
GPIB
controller
W67
Floppy disk
drive
USB
Hard disk
W68
drive
W40
10 MHz REF
W41
OUTPUT
EXT REF
INPUT
W29
W46
TRIGGER
OUTPUT
Hardware
W47
controller
TRIGGER
INPUT
J60 J810
W56 W54
CN1 J120
A60
Front key board
J130 J140
W77
J100
A61
Rotary
Power switch
encoder
board
Preamplifier
power
RSA3303A & RSA3308A Service Manual