Yaesu FT-757GX Technical Supplement page 31

MA I N C HASS I S
LOCA- NO MEN-
TYPE
CLATURE
TION
Regulator IC
Ql µPC7808H
R F U N I T
NO MEN-
LOCA-
TYPE
TION CLATURE
2SC3 80TMY NPN Si TR
Q1001
Dual BCD
Q1002 MC145 1 8 BCP
Counter
JFET
Q1003 2SK1 25
Q1004
2SA7 3 3 AQ PNP Si TR
Ql 005
2SK 1 25 JFET
Q1006
Q1007
Q1 008
2SA7 3 3 AQ PNP Si TR
Q 1009
2SK107-3 JFET
Q 1 0 1 0
QlO l l
3SK73GR MOSFET
Ql0 1 2
Q10 1 3
2SC3 80 TMY NPN Si TR
Q1014
Q10 1 5
Q 1 0 1 6 3 SK73GR MOSFET
Q10 1 7
Q 1 0 1 8
2SC3 80TMY NPN Si TR
Q1 0 1 9
Ql020
2SK24 1 GR JFET
Q l 0 2 1
MC3 3 5 9 P FM R X IC
Q 1 0 2 2
NPN Si TR
Q1023 2SC3 80TMY
Q 1 0 24
Q l 0 25
Q 1 0 26
MOSFET
Q1027 3 SK73GR
2SC380TMY NPN Si TR
Ql028
AN6 5 5 2 Dual Op amp
Q1029
Quad Analog
Ql030 MC14066 B
S W
NPN Si TR
Q 1 0 3 1 2SC3 80TMY
Q 1 0 3 2
Q 1 0 3 3
Q l 0 34
Q l 0 3 5
Q 1 0 36
M B3 7 1 3
Q 1 0 3 7 A F amp IC
2SC3 80TMY
Q l 0 3 8 NPN Si TR
Q l 0 3 9 2SA7 3 3 AQ
PNP Si TR
2SK1 25 JFET
Q 1 040
2SC 1 9 2 3 0 NPN S i TR
Q l 04 1
2SK10 7-3 JFET
Q1042
Q l 043
Ql 044 2SC3 80TMY NPN Si TR
Q1045 2SA7 3 3 AQ PNP Si TR
COMPO N E N T A P P L I CAT I O N S
APPLICATION
8V Reg for Local Unit
APPLICATION
Marker Buffer Amp
1/30 Divider (Marker)
RX RF Amplifier
Relay Driver
RX 1 st Mixer
RX 1 st IF Post-Amp
RX Front End Mu te
(on TX )
RX 2 nd Mixer
RX Noise Amp
RX NB AGC Amp
R X NB Gate S w
RX 3rd Mixer
RX 3rd I F Amp
RX AGC Amp
RX AGC Buffer
RX 2nd IF Buffer
FM RX 3 rd Mixer,
Lim Amp ,
Discriminator, Noise
Amp, Squelch Sw
RX Squelch Sw
RX IF Width LO
RX Width Local Amp
RX Local Buffer Amp
RX Carrier Mixer
RX Carrier Bu ffer
RX RF AGC Amp
Au to Scan Diff Amp
RX Detector Selector
IC Switch
RX Detector Squelch
Switch
R X A M , S S B Active
LPF
R X FM AF Buffer
RX CW Active LPF
R X A F Preamp
TX Sidetone Osc
RX AF Power Amp
TX SSB Drive Sw
TX Drive Enable Sw
(T/R)
TX 1 st IF Buffer
2nd LO Buffer
(RX and TX )
TX 2nd Mixer
TX lOm PO Reduction
Sw (for JAs)
Q 1 046 AN6 5 5 2
Q104 7 2SC3 80TMY
Q1048 3 SK73GR
Q1049
2SK125
Q1050 2N442 7
Q105 1
AN6 5 5 2
Q105 2
2SA7 3 3 AQ
Q 105 3 2SK107-3
Q1054 MC14066 B
Q1055 2SC380TMY
Q1056
2SA1 1 9 3 K
Q105 7
Ql05 8 µPC7808H
Q1059 2SA733AQ
Q1060 MC140 1 1 BCP
Q106 1 2SC380TMY
Q106 2
Ql063
2SA733AQ
Q1064 2SC380TMY
Q 1065 2SA733AQ
Dl00 1 MA190
D l002
D 1 003
D 1 004
D1005
Dl006
D l 0 0 7
1 SS97
D1008
D l 009
D l 0 1 0
D l 0 1 1
D10 1 2
D l 0 1 3
D 1 0 1 4
D l 0 1 5
D l 0 1 6
D 1 0 1 7
D 10 1 8
D l 0 1 9
Dl020
D 1 0 2 1 MA190
Dl022
D 1023
D 10 24
D l 0 25
D1026
D 1 0 2 7 MA190
D 1028
D 1 029
D 1 030
Dl03 1
D 1 0 3 2
D 1 033
- 2 8 -
Dual Op amp
TX
ALC Diff Amps
NPN Si TR TX ALC Buffer
MOSFET
TX 2nd IF Amp
JFET
TX RF Post-Amp
TX
NPN S i TR RF Preamp
Dual O p amp
PO Meter Amps
PNP Si TR RX/TX S/ ALC Meter
Amp
JFET
Meter Function
Quad Analog
SW
Selector
IC
NPN Si TR Inverter for TX8V Sw
Q1056
PNP S i TR T/R Sw for TX8V on
RF Unit
T/R Sw for RX8V on
RF Unit
Regulator IC 8V Reg for RF Unit
PNP Si TR PTT Switch Buffer
Quad NAND T/R Switching Sync
NPN Si TR
TX Sidetone Switch
(w/Ql064)
TX CW Key Enable Sw
PNP Si TR
TX IF T/R Sw
NPN Si TR
TX Sidetone Osc Sw
PNP Si TR
-8V Delay Sw itch
Si Diode Marker Ou tput Sw
Marker Divider Preset
Switch
BPF to TX RF Preamp
Switch (TX 8V)
TX Switch
Schottky BPF Switch
Barrier Diode
(0 .5 - 2 .S MHz )
"
(
"
(2 .5 -4 .0MHz)
"
(
"
(4 .0- 7 .S MHz )
"
(
"
(7.5 - 14.5 MHz )
"
(
"
(14 .5 - 2 1 .S MHz )
"
(
"
(2 1 .5 -30MHz)
"
(
Si Diode BC BPF Enable Switch
1 .9MHz BPF Enable
Switch
BC RF Amp Relay Sw
Not Used
Si Diode
24 .5 /28MHz BPF/LPF
Diode OR (28MHz)
(24 .5 MHz)
18/21 MHz BPF/LPF
Diode OR (2 1 MHz )
(1 8MHz )
10/14MHz BPF/LPF
Diode OR (14MHz )
(lOMHz )
Back Pulse Canceller
)
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