RCA RDR9000 User Manual

Service Manual 6. UHF1 (400-470 MHz) Information
327
8.8.3 FGU
5VFGU,
3V3ARF, and 3V3DRF
are normal?
FGU check
Check the power
supply circuit.
VCO oscillates? Q6007/Q7000 is normal?
[1]
Q6012/Q7003 is normal?
[2]
Replace
Q6012/Q7003.
Check peripheral
components of
Q6012/Q7003.
Replace Q6007/Q7000.
CV voltage is normal? [3]
VCO buffer circuit is
normal? [5]
Check the VCO
buffer circuit.
L6057/L7003 is normal?
[4]
Replace L6057/L7003.
Feedback output is
normal?
Check the
feedback circuit.
19.2 MHz crystal
oscillates?
Check the 19.2 MHz
crystal oscillator and
circuit.
SKY72310 clock is
normal? 6]
Check the data
circuit of the
control circuit.
Completed
No
Yes
Yes
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
Yes
No
No
No

RCA RDR9000 Specifications

General

Brand	RCA
Model	RDR9000
Category	Repeater
Language	English