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D30 1 1
RF Pickup Rectifier
1 00W PA U N IT
D30 1 2
1 S l 5 5 5
S i Diode
RF Pickup Detector
Bias
LOCA-
NOMEN-
APPLICATION
D30 1 3
Back Pulse Canceller
TION
CLATURE
TYPE
Q6 00 1
2 SC 1 9 7 1
NPN S i TR
TX Predriver
Q6002
2SC2395
TX Driver
D ISP LAY U N IT
Q6003
Q6004
2SC2879
TX Final Amplifier
LOCA-
NOMEN-
Q6005
TYPE
APPLICATION
Q6006
µPC 7 8 0 8 H
Regulator I C
Final Bias Reg
TION
CLATURE
Q600 7
2SD880-0
NPN Si TR
Q40 0 1
2SC4 96 Y
NPN
S i
TR
DC-DC Converter
Q6008
2 SA 1 0 1 2Y
PNP Si TR
TX 1 3 .5V Sw
Oscillator
Q6009
2SC4 5 8 D
NPN S i TR
TX 1 3 .5 V Sw Driver
Q4002
TMS23 70
4 -bit
CPU
Display Control CPU
Q60 1 0
2SD892R
Power ON Relay
Q4003
2SA7 3 3 AQ
PNP
Si
TR
CPU Reset Switch
Driver
Q60 1 1
TL7705
OP Amp IC
Fan Switching
D400 1
1 S l 5 5 5
S i Diode
Display "CH" Diode
Comparator
OR (b-seg)
Q60 1 2
2SA95 2 L
PNP Si TR
Fan Driver
04002
. .
(g-seg)
Q6 0 1 3
MC140 1 1 BCP
Quad NAND IC TX/RX Sw and Delay
D4003
1 SS 5 5
- 3 0 V Rectifier
(for TX 1 3 .5 V )
D4004
HZ5 C l
Zener Diode
-25V Bias
D4005
RD30EB2
-30V Regulator
D600 1
HZ3Cl
Zener Diode
Predriver Bias
04006
1 S l 5 5 5
S i Diode
-8V Rectifier
Regulator
D400 7
HZ4 B3
Zener Diode
-4V Regula tor
D6002
l O D l O
Si Diode
Temp Compensator
D4008
1 S 1 5 5 5
S i Diode
CLAR, M->VFO,
(for Driver Bias)
VFO->M, PB2 Sw
D6003
04009
VFQ->
_M Sw
06 004
Temp Compensator
D40 1 0
I N H Switch
(for Final Amp Bias )
040 1 1
UP Switch
D6005
D4 0 1 2
DWN Switch
D6006
1 S 1 5 5 5
PTT T / R Delay Trigger
040 1 3
CLAR Switch
D6007
PTT Delay Gate OR
04 0 1 4
D LOCK Switch
D6008
Reverse Voltage
040 1 5
VFO A/B Switch
Isolator
04 0 1 6
M->VFO Switch
D6009
PTT 1 3 .5V Diode OR
D4 0 1 7
SPLIT Switch
D60 1 0
PWR Relay Back Pulse
040 1 8
M R Switch
Canceller
040 1 9
VFO->M Switch
06 0 1 1
RX Mu te Diode OR
040 20
LN4 1 0YP
LED
ON AIR Indicator
D60 1 2
PWR ON Rev Voltage
04 0 2 1
1 S 1 5 5 5
S i Diode
D LOCK, VFO A/B,
Isolator
M->VF O Clamp
040 2 2
VFO�M , I N H Clamp
040 2 3
U P , DWN, CLAR
Clamp
1 0W PA
04024
SPLIT, MR, VFO->M
Clamp
LOCA-
NO MEN-
TYPE
APPLICATION
D4025
INT Clamp
TION
CLATURE
C0400 1 CSB500E
Ceramic
500kHz Display CPU
Q700 1
2 SC 2 1 6 6
NPN S i TR
TX Driver
Resonator
Clock Oscillator
Q7002
2SC2509
TX Final Amplifier
Q7003
Q7004
µPC 7 8 L08
Regulator IC
Final Bias Regulator
Q7005
2SD8 8 2 Q
N P N S i TR
D I A L UN IT
Q7006
2SC4 5 8 D
TX 1 3 .5 V S w Driver
Q700 7
2 SA 1 0 1 2Y
PNP Si TR
TX
1 3 .5V Switch
LOCA-
NO MEN-
Q7008
M C 1 40 1 1 BCP
Quad NAND IC TX/RX Sw and Delay
TYPE
APPLICATION
(for
TX
1 3 .5 V )
TION
CLATURE
Q 7009
2SD89 2 R
NPN S i TR
Relay Driver
Q5 0 0 1
MC140 1 1 BCP
Quad NAND IC Beeper Multivibrator
Q5 002
MC145 84BCP
Hex Schmitt
Pulse Shapers
D 700 1
HZ3Cl
Zener Diode
Driver Bias. Regulator
Trig IC
D 7002
MVl l
Varistor Diode Temp Compensator
Q5 003
MC140 7 1 BCP
Quad OR IC
Up/Down Logic
(for Final Bias)
Q5004
MC140 7 1 BCP
Dual 4 AND IC
D 7003
1 S 1 5 5 5
S i Diode
PTT T/R Delay Trigger
Q5005
MC140 1 3 BCP
Dual "D" F-F
Up/Down Logic ,
D 7004
PTT Delay Gate OR
Buzzer Switch
D 7005
PTT 1 3 .5 V Diode OR
D 7006
Reverse Voltage
050 0 1
1 S l 5 5 5
S i Diode
Tune Disable by
Isolator
Buzzer Diode OR
D 700 7
PWR Relay Back Pulse
0500 2
Tune Disable by D
Canceller
LOCK Diode OR
07008
RX Mute Diode OR
05003
Buzzer Timer
D 7009
PWR ON Rev Voltage
Isolator
- 32 -
Содержание FT-757GX II
Страница 1: ...FT 757GX TECHNICAL SUPPLEMENT YAESU MUSEN CO LTD C P 0 BOX 1500 TOKYO JAPAN...
Страница 4: ......
Страница 26: ...DISPLAY UNIT 0 DIAL UNIT Inside Front Panel 23...
Страница 42: ...LOCAL U N IT PARTS LAYOUT solder side 39...
Страница 49: ...1 00W PA U N IT PARTS LAYOUT Component side Solder side 44...
Страница 51: ...1 0W PA U N IT PARTS LAYOUT 46 Component side Solder side...
Страница 55: ...MEMO 50...
Страница 70: ...YA E SU v E3 8 9 0 1 8 4 E 2 8 4 0 6 P...