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85309B Block Diagram
Rev 10
Option 400/401/402
FL1
POWER
SUPPLY
+15, +15
-15V
+24V
J7
J15
B1
FAN
Switch
Control
Remote
APPL
DC PWR
DIST
+
+
F5
F4
F2
F1
DC-DC
15V to 5V
DC-DC
15V to 10V
J6
J4
J3
J5
J8
J9
J13
J12
J14
J10
J11
J1
J2
DISPLAY BOARD
A1
F3
5V
-15V
15V
15V
15V
24V
-15V
10V Reg
Ref
W17
W1
8
A1
2-
J1
A1
3-
J1
W1
9
A2
4-
J1
A2
7-
J1
W2
0
A1
7
A1
4
A1
5
A2
6
A2
9
A18
A20
LO POWER
ADJUST
LED LO
POWER OUT
OF RANGE
ALC
J5
To J3, J4, J5,
J17, J18
To J8, J9, J13, J14
To
J3,J4,J5,J8,J9,J11,J13
,J14,J15,J17,J18
15V
J5
J6
REF CHAN
DET IN
POS Z BLANK
W15
W16
J16
5V
5V
15V, -15V
A5
A3
1
A3
0
6
SW3
SW4
SW5
HIGH
LOW
EXT
SW2, 85309-61609
J15 SELECT HI/
LOW
W25
A2 REG/ALC BOARD
To J3,J4,J17,J18
OPT H40
(LO Band)
7
1
2
3
4
6
LOAD
A36
A38
A37
A46
AT7
1dB
AT8
1dB
AT11
1dB
A17
A11
SW3
AT10
10dB
A41
AT13
A42
AT3
13dB
Slope Pad
33340-67007
AT4
13dB
Slope Pad
33340-67007
AT2
13dB
Slope Pad
33340-67007
A12
1
SW4
AT1
13dB
Slope Pad
33340-67007
A13
A15
2
SW5
A16
Diplexer
507
6
-
6336
A43
A24
A26
3
SW6
A25
Diplexer
507
6
-
6336
A44
A27
A29
4
SW7
A28
Diplexer
50
7
6-
6336
A45
A31
85309-80025
A30
85309-80024
J4
W12
W41
W2
W3
W42
W43
W44
ALC
W45
W48
W50
W9
J2
W6
W31
W47
W32
W7
W11
W49
W33
W34
W36
W51
W37
W38
W39
REF CHAN
LO OUT
J3
TEST 1
LO / IF
J9
TEST 1
IF OUT
J11
TEST 2
LO / IF
J12
TEST 2
IF OUT
J13
TEST 3
LO / IF
J14
TEST 3
IF OUT
W4
W5
W30
W35
A14
REF CHAN
IF OUT
J10
J1
W1
LO
INPUT
REF CHAN
IF INPUT
W14
AT12
LOAD
OPT 401
OPT 402
LOAD
AT14
LOAD
AT6
OPT
4
01
OPT
4
02
A32
85309-80022
0955-2249
0955-2249
0955-2249
0955-2249
5087-7768
33311-60069
33311-60069
33311-60069
33311-60069
5087-7755
5087-7755
5087-7755
5087-7755
33311-60069
85309-80026
85309-80026
85309-80026
85309-80026
85110-80015
85110-80015
85110-80015
* remove load on A32
* remove load on A32
* remove load on A11
* remove load on A11
7
ALC
J2 J1
SW7
SW6
J13
J14
J11
J10
J12
85309-60136
J3
85309-61603
J1
85309-60135
-15V
J18
J17
85309-61602
85309-61601
85309-60134
Regulator
-15V to -10V
Regulator
24V to 20V
J7
J9
J8
85309-61607
A22
DPDT
J4
W5
5
W5
6
W24
W21
W52
W53
W54
W57
A10
0955-0791
0955-2245
Regulator
15V to 12V
15V
J6
CPLD
programming
W23
A19
Diplexer
50
76
-
6336
W40
AT
15
LOAD
A39
AT9
1dB
A40
W8
J8
DIPLEXER
IF OUT
W58
J7
TEST
IF IN
W59
A21
HIGH BAND LED
Summary of Contents for 85039B IF
Page 6: ...vi Keysight 85309B User s and Service Guide...
Page 18: ...1 10 Keysight 85309B User s and Service Guide Getting Started Getting Help with Your 85309B 1...
Page 86: ...4 32 Keysight 85309B User s and Service Guide Service Replaceable Parts 4...