Kenwood TM-271A Service Manual page 43

Q410
Q405
2SC5108(Y)
2SK508NV(K52)
RX
R)
BUFF
VCO
CV
Q408
Q407
KRX102U
2SJ347
8CL
SW SW
R)
TXRX
TX
VCO
Q406
M62363FP
2SK508NV(K52)
CL
VCOMOD
D301
Q301
MA742
2SC2412K
SQIN DET NOISE
TCXOMOD VCOMOD
IC203 IC161
3FP BA10324AFV M62363FP
(3/4) (7/8)
D/A
BUFF
CONV
V
NARROW
PTT CL CM
CE POWER
RXD
DI ENCA
MICKEY
DO ENCB
MICKEY2 VOL
QT/DQT
DTMF
SBC
8TC
8RC
AFM
SPM
30622MAA-B85GP
AMPSW
MICMT
P1MT
P9MT
BSHIFT
TX/RX
NARROW
WIDE
PLLE
Q86
ELVLLD
CK 2SK1830
DT
BSHIFT SW
BLOCK DIAGRAM
Q411
8T 8R
IC402 2SC4649
UPB1509GV (N,P)
T/R
DIVIDER RF
SW
D409
DAN235E
5C 8C
Q302
2SC2412K
16.8MHz TRIPLER
IC161
50.4MHz
(1/8) IC301
Q351
IF
D/A
2SC5108(Y)
DEMODULATOR
CONV
IF
8C
8R
D303 D302
CF301
DAN222 DAN222
(WIDE)
SW 450kHz SW
CF302
(NARROW)
WIDE
5M
IC66
PKS
EEPROM AT24C64A10SI18 or
SQC
CAT24WC64J1
EEPWP
EEPCK
EESDT
TEMP1
TEMP2
RSSI
SQIN
CPU
IC101
RESET
INT
SIGNAL
X86 Q87
2SK1830
8M
SW
Q502 Q503
Q501
2SC3357 PD55003
RD70HVF1
2SC3357
PRE
DRIVE
DRIVE
RF
AMP
AMP
Vg
8T
8T
Q352
Q353
3SK318
3SK318
MCF MIX BPF RF
X351
49.95MHz
8R
8R
RF BPF
D351,352
TUNE
HVC376B
8T SW
Q354
2SK1830
Q251
IC251 Q252,253
2SC2412K
BA10324AFV 2SK3019
AF
HPF SW
FILTER
AFM
8C
Q35
KTA1664(Y)
8T SW
Q36
KRC102S
8TC SW
Q33
2SA1745(6,7)
8R SW
Q34
KRC102S
8RC SW
AVR
5C
5V
TM-271A/271E
D602
MA4PH633
Q504
D603,605
XB15A709
FINAL
ANT SW LPF
AMP
POW.
D606 D607
DET
MA742 MA742
Vg
BUFFER
BPF
APC
CONTROL
8T
RF BPF D353,354
IC161
TUNE HVC376B
M62363FP(2/8)
D/A
CONV
DTMF/BEEP
IC161
M62363FP
Q254
(5/8)(6/8)
DTC363EU
D/A
SW
CONV
SPM
IC31 Q31
KIA7808AF 2SA1641(S,T)
AVR
SW
8V
NJM78L05UA
SB
SBC SW 5M
Q32
KRC102S
OVER
INT
VOLTAGE
DETECT
Q61
B
SW
KRC404RTK
RESET
IC32
NJM78L05UA
ANT
POW.
DET
IC501
TA75W01FU
(1/2)
IC501
TA75W01FU
(2/2)
PC
SP
IC252
LA4600
AF
PA
EXT.
SP
SW
Q255
KRC102S
AMPSW
+B
IC33
E
AVR
IC35
BD4740G
INT
IC34
BD4732G
RESET 5M
39