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5700A/5720A Series II Calibrator
Service Manual
4-8
VOLTAGE SELECT
SWITCHES
RS232
A5 WIDEBAND OUTPUT PCA
A6 WIDEBAND OSCILLATOR PCA
A7 CURRENT/HIGH-RESOLUTION
OSCILLATOR PCA
A1 KEYBOARD ASSEMBLY
A8 SWITCH MATRIX PCA
A2 FRONT PANEL PCA
A9 OHMS CAL PCA
A10 OHMS MAIN PCA
A11 DAC PCA
A12 OSCILLATOR CONTROL PCA
A13 OSCILLATOR OUTPUT PCA
A14 HIGH VOLTAGE CONTROL PCA
A15 HIGH VOLTAGE/HIGH
CURRENT PCA
A16 POWER AMPLIFIER PCA
A17 REGULATOR/GUARD CROSSING PCA
A18 FILTER/PA SUPPLY PCA
A21 REAR PANEL PCA
A19 DIGITAL POWER SUPPLY PCA
A20 CPU PCA
A22 POWER TRANSFORMER
IEEE
(COMPONENTS
FACE REAR)
(COMPONENTS
FACE REAR)
(COMPONENTS
FACE REAR)
A4 DIGITAL
MOTERBOARD PCA
CAPTIVE
SCREWS
FRONT PANEL
F4-5.EPS
Figure 4-5. Analog and Digital Assemblies
CAUTION
Do not touch any circuit area on an analog assembly.
Contamination from skin oil can produce high resistance paths,
with resulting leakage currents and possible erroneous
readings. Always grasp an analog assembly by its upper corner
ears.