Dc Voltage Verification - Shure U4D Service Manual

Rf Tuning, Channel A

Dc Voltage Verification

DC VOLTMETER
ANTENNA A IN
S201
(OFF)
P203
J302
Service Procedures
Shure U4D Dual Diversity UHF Receiver
C242
C227
P202
P202
Figure 5. Dc Voltage Level Verification
1. Measure the dc voltage between the center pin of BNC
connector ANTENNA A IN, located on the receiver rear panel,
and ground. The voltage should measure 12.0 ± 0.5 Vdc.
2. Measure the dc voltage between the center pin of BNC
connector ANTENNA B IN, located on the receiver rear panel
and ground. The voltage should measure 12.0 ± 0.5 Vdc.
21
DC VOLTMETER
ANTENNA B IN
S201
(OFF)
P202
P202
P203
25D1062 (AG)