HP 8560A Service Manual

Option Module Errors (800 to 899)
..................
6-34
User-Generated Errors (902 to 904)
..................
6-34
Block Diagram Description
.......................
6-35
RF Section .............................
6-36
A7 LODA ............................
6-36
A8 Low Band Mixer ........................
6-36
A9 Input Attenuator
.......................
6-36
All YTO
............................
6-36
Al3 Second Converter
.......................
6-37
A15Al Second IF Distribution Amplifier (P/O A15)
.......... 6-37
Third Converter (P/O A15)
....................
6-37
Flatness Compensation Amplifiers (P/O A15)
............ 6-37
Synthesizer Section
.........................
6-37
Sweeping the First LO
.......................
6-37
Reference PLL (P/O A15)
.....................
6-38
YTO PLL (A7, All, P/O A14, P/O A15)
..............
6-38
Offset Lock Loop (P/O A15)
....................
6-38
Roller Oscillator PLL (P/O A14)
..................
6-39
IF Section .............................
6-39
A4 LOG Amplifier/Cal Oscillator assembly
..............
6-40
A5 IF Assembly
.........................
6-40
ADC/Interface Section
.......................
6-41
ADC ..............................
6-42
Log Expand/Video Functions (P/O A3)
...............
6-42
Triggering ............................
6-42
Controller Section
..........................
6-42
EEROM
.............................
6-43
Firmware
............................
Display ASM
...........................
Display/Power Supply Section
....................
A6 Power Supply
.........................
Al7 CRT Display Driver
......................
6-43
6-43
6-43
6-43
6-43
7. ADC/Interface Section
Troubleshooting Using the TAM
....................
Automatic Fault Isolation
......................
Keyboard/RPG Problems
.......................
Keyboard Interface
.........................
RPG Interface
...........................
Triggering Problems
..........................
Flatness Control (RF Gain DACs)
...................
A3 Assembly’s Video Circuits
.....................
Log Offset/Log Expand
.......................
Video MUX
............................
Video Filter
............................
Video Filter Buffer Amplifier
.....................
Positive/Negative Peak Detectors
...................
Peak Detector Reset
.........................
Rosenfell Detector
.........................
ADCMUX
.............................
Variable Gain Amplifier (VGA)
....................
7-4
7-4
7-7
7-7
7-8
7-9
7-11
7-12
7- 14
7-15
7-15
7-16
7-17
7-18
7-18
7-19
7-21
Contents-4

HP 8560A Specifications

General

Brand	HP
Model	8560A
Category	Measuring Instruments
Language	English