TM-V71A/V71E
15
Ref. No.
Use / Function
Operation / Condition / Compatibility
IC577
Shift register
Q0: Wide/Narrow select for B band
Q1: VU_Select for B band
Q2: 8TUB control
Q3: 5RUB control
Q4: PR9 select
Q5: PR for panel select
Q6: VCO shift for B band
Q7: 8TVB control
Q8: Not used
Q9: 5RVB control
Q10: 5R8B cintrol
Q11: VHF BPF control for B band
IC578
8V AVR
8C
IC579
5V AVR
5C
IC606
RS-232C driver IC
RS-232C driver
IC666
4CH multiplexer
Detect signal line select
IC667
D/A
Ao1: Forward Ref
Ao2: Reverse Ref
Ao3: BPF control for B band
Ao4: BPF control for B band
Ao5: TCXO reference voltage for B band
Ao6: TCXO reference voltage for A band
IC668
Amplifi er
LNA for 1.2G RX
IC801
Audio amplifi er
IC802
OP amplifi er
MIC amplifi er/ALC
IC803
OP amplifi er
Pre-emphasis/Modulation
IC804
Electorical
volume IC
Modulation line select
IC805
4CH OP amplifi er
AV reference voltage/PKD amplifi er/
LSD amplifi er A/LSD amplifi er B
IC806
Cross point
switch IC
Audio line select
IC807
2CH analog
switch
Modulation line for TCXO select
IC916
EEPROM
IC917
Multiplexer
PKD line select
IC918
MPU
IC919
Reset IC
Backup signal
IC920
Reset IC
Reset signal for MPU
IC921
DTMF decoder
IC951
Buffer
Panel output line
IC952
10V AVR
PB
IC953
5V AVR
5C
Q1
Ripple fi lter
for A band charge pump
Q2,3
Switching
A band charge pump
Q4
Ripple fi lter
for A band VCO
Q5
Amplifi er
to f-in on PLL IC
Q6
Switching
VHF/UHF selection for A band VCO
(On when A band VHF is selected)
Ref. No.
Use / Function
Operation / Condition / Compatibility
Q7
Amplifi er
Local amplifi er for A band
Q8
Switching
A band PLL f-in fi lter select
(On when B band VHF is selected)
Q9
Switching
B band f-in VHF fi lter frequency shift
Q66
Ripple fi lter
for B band charge pump
Q67,68
Switching
B band charge pump
Q69
Ripple fi lter
for A band VCO
Q70
Amplifi er
to f-in on PLL IC
Q71
Switching
VHF/UHF selection for B band VCO
(On when A band VHF is selected)
Q72
Amplifi er
Local amplifi er for B band
Q73
Switching
B band PLL f-in fi lter select
(On when B band VHF is selected)
Q74
Switching
A band f-in VHF fi lter frequency shift
Q131
Amplifi er
VHF TX drive amplifi er
Q132
Switching
Mute Vgg line for VHF power module
Q161
Amplifi er
UHF TX Pre-drive amplifi er
Q162
Amplifi er
UHF TX drive amplifi er
Q163
Switching
Mute Vgg line for UHF power module
Q186
Switching
VHF/UHF selection (On when VHF TX)
Q226
Mixer
A band VHF RX
Q227
Amplifi er
A band VHF RX 2nd LNA
Q228
Amplifi er
A band VHF RX LNA
Q229
Switching
Q228 gain drop (VHF AIP function)
(On when VHF AIP ON)
Q291
Mixer
B band VHF RX
Q292
Amplifi er
B band VHF RX 2nd LNA
Q293
Amplifi er
B band VHF RX LNA
Q294
Switching
Q293 gain drop (VHF AIP function)
(On when VHF AIP ON)
Q361
Mixer
A band UHF RX
Q362
Amplifi er
A band UHF RX 2nd LNA
Q363
Amplifi er
A band UHF RX LNA
Q400
Switching
Q363 gain drop (UHF AIP function)
(On when UHF AIP ON)
Q406
Mixer
B band UHF RX
Q407
Amplifi er
B band UHF RX 2nd LNA
Q408
Amplifi er
B band UHF RX LNA
Q450
Switching
Q408 gain drop (UHF AIP function)
(On when UHF AIP ON)
Q456
Amplifi er
Local amplifi er for 1.2G RX
Q457
Mixer
B band 1.2G RX
Q459
Amplifi er
B band 1.2G RX LNA
COMPONENTS DESCRIPTION