Kenwood TM-D700A Service Manual

TM-D700A/E
DESCRIPTION OF COMPONENTS
TX-RX UNIT (X57-586X-XX)
20
Ref No.| — Application/Function _| Operation/Condition/Compatibility RefNo.| ApplicatiowFunction | Operation/Condition/Compatibility
IC1 PLL IC VHF PLL Q203 RF amp VHF
IC2 vco VHF Q204___| Change switch VHF
IC3 Power Module VHF (Main Body) Q205 RF amp VHF
IC4 Power Module UHF (Main Body) Q207 _| AGC control VHF
IC100 |IFIC A band Q208 | APC control VHF/UHF
1C101__| AF select VHF Q209 | APC control VHF/UHF
IC200__| APC voltage comparison) VHF Q210 RF amp VHF
IC300 | Modulation signal amplification) VHF Q300__| Charge pump UHF
IC301 | PLLIC UHF PLL Q301 Charge pump UHF
1C302. |VCO UHF Q302__| PLL comparison input amplifier | UHF
1C303__| Prescaler UHF Q303 _| Ripple filter UHF
1C304__|
Speed
up
switch
Q304
|
VCO
output
amplifier
UHF
IC400
|
IF
IC
B
band
Q305
_|
Doubling
circuit
UHF
LO
IC501_|AF
PA
Q306
__|
Power
switch
UHF
Prescaler
IC600_
|
RS-232C
driver
Q307
Drive
amplifier
UHF
IC601__‘|
Reset
Q308
|LO
amp
UHF
IC602
|
EEPROM
Setting,
memory
Q308
|
Drive
amplifier
UHF
IC603_
|
AVR
Q310
|
Drive
amplifier
UHF
1C604
|
Control
microcomputer
Q400_
‘|
Change
switch
UHF
Narrow/wide
'C700
|
DTMF
decod
(TM-D700E
ONLY)
IC701__|CTCSS,
DCS
filter
Q401
Change
switch
UHF
Narrow/wide
IC702
{Cross
point
switch
(TM-D700E
ONLY)
IC703
|
Buffer
Q402__|
AF
amp
UHF
IC800
|
Comparator
Q404
_|
Power
switch
R5U
1C801__| MIC amp Q405 | AF amp
IC802_ | AF amp Q406 {IF amp
IC803 | AF select switch Q500__| IF amp
IC804
|
Electronic
control
Q501
1st
Mixer
UHF
C805
|
DC
amp
APC,
BPF
Q502
ist
Mixer
UHF
(C806
|
Audio
amp
(Main
Body)
Q503
___|
Mixer
UHF
'C807
|
AF
switch
Q505
RF
amp
UHF
IC808__|
Change
switch
SP1/SP2
Q506__|
RF
amp
UHF
1C900__|
Expansion
port
Q507__|
RF
amp
UHF
1C901__|
Expansion
port
Q508
|
RF
amp
UHF
IC903
|8V
AVR
8C
(Main
Body)
Q509
RF
amp
UHF
IC904_
|AVR
Q600__|
Power
switch
STS
Qi Charge pump VHF Q601__| Reset switch
Q2
Charge
pump
VHF
Q603
__|
Power
switch
SM5C
Q3 PLL comparison input amplifier | VHF Q604 __| System down detection
Q4
Ripple
filter
VHF
Q700__|
AF
amp
PR9
Q6
VCO
output
amplifier
VHF
Q701_
|
AF
amp
PR1
Q7 LO doubling circuit VHF Q702__| Reset switch
Q8 Drive amplifier VHF Q800 | Microphone mute
Q9 Drive amplifier VHF Q801__| Preemphasis
Q10 Switch Q802 | Preemphasis
Q11 Switch Q803 _| Microphone mute
Q100 =| Change switch VHF Narrow/wide Q804__| Mute
(TM-D700E ONLY) Q805__| Mute
Q101 Change switch VHF Narrow/wide Q807 | Mute
(TM-D700E ONLY) Q900__| Fan switch
Q102
_|
Doubling
circuit
VHF2nd
LO
doubling
circuit
Q903__|
Power
switch
T8V
Q103___|
Power
switch
R5V
Q904
|
Power
switch
T8uU
Q104
|
Power
switch
R5AM
Q905__|
Power
switch
R8V,
R8U
Q105
|
iF
amp
VHF
Q906_|
Power
switch
RM43,
RM80
Q106
IF
amp
VHF
Q907
|
Power
switch
RS14,
RM30
Q107
IF
amp
VHF
Q308
Power
switch
R8UA,
RM22
Q108
[AF
amp
VHF
Q909__|
Power
switch
RS43,
RM14
Q110
[AF
amp
VHF
Q910_
|AVR
PB
Qi11
AGC
amp
VHF
Q911_
|
AVR
PB
Q112__
[iF
amp
VHF
Q912__|
Power
switch
SB
Q113.
[AGC
Q913__|
Power
switch
PB
Q200
ist
Mixer
VHF
Q914__|
Power
switch
SB
Q201
ist
Mixer
VHF
Q915__|
Power
switch
SBA
Q202.
|
RF
amp
VHF
Q916
|
Power
switch
SBA

Kenwood TM-D700A Specifications

General

Brand	Kenwood
Model	TM-D700A
Category	Transceiver
Language	English