TM-V71A/V71E
18
Ref. No.
Use / Function
Operation / Condition / Compatibility
D407,408
Switching
Local signal switch
(on when B band UHF RX)
D409,410
Varicap
Tune the B band UHF BPF
D412,413
Varicap
Tune the B band UHF BPF
D415,416
Varicap
Tune the B band UHF BPF
D419~421
Varicap
Tune the B band UHF BPF
D423,424
Varicap
Tune the B band UHF BPF
D451
Switching
RF mute
D456
Switching
IF switch (on when 1.2G RX)
D457
Switching
Local signal switch (on when 1.2G RX)
D486,487
Switching
A band RX ceramic fi lter select
D488
Detection
AM AGC voltage detection
D489
Detection
AM detection
D546,547
Switching
B band RX ceramic fi lter select
D576
Reverse current
prevention
5RA output
D578
Reverse current
prevention
5RB output
D580
Reverse current
prevention
5RB output
D582
Reverse current
prevention
8TV control for A band
D583
Reverse current
prevention
8TV control for B band
D584
Reverse current
prevention
8TU control
D606
Reverse current
prevention
for alignment
D607
Limiter
Prevention from over level input
D608
Reverse current
prevention
for alignment
Ref. No.
Use / Function
Operation / Condition / Compatibility
D609
Limiter
Prevention from over level input
D610,611
Switching
Protection from surge input
D612
Surge absorber
Protection from surge input
D701
Switching
UHF VCO shift
D703
Varicap
UHF VCO tune
D704
Varicap
VHF VCO tune
D705
Varicap
UHF VCO tune
D707
Varicap
VHF VCO tune
D708
Switching
VHF VCO shift
D709
Varicap
for VHF VCO modulation
D710
Varicap
for UHF VCO modulation
D751
Switching
UHF VCO shift
D753
Varicap
UHF VCO tune
D754
Varicap
VHF VCO tune
D755
Varicap
UHF VCO tune
D757
Varicap
VHF VCO tune
D758
Switching
VHF VCO shift
D759
Varicap
for VHF VCO modulation
D760
Varicap
for UHF VCO modulation
D801,802
Switching
MIC mute
D916
18V Zener diode
Over voltage prevention
D951~953
Limiter
Protection from surge input
D954
Reverse current
prevention
8C
D955
5.1V Zener diode
Over voltage prevention
D956
Poly-switch
Current limit
D957
Reverse current
prevention
5M
COMPONENTS DESCRIPTION