Block Diagram - Kenwood NX-340 Service Manual

BLOCK DIAGRAM

TX-RX UNIT (X57-8510-10 (NX-340_K, NX-340(U)_K, NX-340_M), X57-8510-11 (NX-340_K2, NX-340(U)_K2, NX-340_M2, NX-340_M3, NX-340_P), X57-8510-12 (NX-340_K3))
IC601 XC6209B502P-G
SB AV R
Q601 SSM6L36FE
5
DC
SW
BAT T
5TC
IC606 XC6209B332M-G
AV R
IC602 MM1856A50N
50CC
AV R
IC603 XC6209B502P-G
50CC
AV R
IC604 MM1856A33N
4
50VC
PROTECT AVR
D600
RB521S-30-TP
INT INT
IC600 XC61CN4502N-G
+
B (7.5V)
BATT
(7.5V)
IC703 MM1856A33N
-
PROTECT
33B
AV R
(3.3V)
D603 GN1G
3
PWR
SB (7.5V)
SW
/VOL
Q603 IC709
SSM3K127TUT NJU7089KV1
DC AF
SW AMP
MINVOL
DC
INTSPSW
+ SW
INT
Q711 LTC014EEBFS8
SP Q714 2SB1132(Q,R)
-
Q715 UMG3N
SB 50M
2
Q707 UPA672T-A
J601
PTT/RXD LEVEL
MICIN SHIFT
MICO
OPTDET
EXT 50V
AE DC 33M
EMPTT
TXD SW
SP/MIC
Q708 LTC014EEBFS8
SPO
Q713 , Q716 2SK3577-A IC707
MUTE
INT
SW
MIC
Q712
1
Q703 LEVEL
TXD LTC044EEBFS 8
UM6K34N SHIFT
DC
SW
33M 50M
DC
EXTSPM
SW
Q709 LTC014EEBFS8
A B
IC2 AK1541
50M (5.0V) PLL_DAT A
PLL_CLK LPF
PLL_LE
50T (5.0V)
PLL_LD
PLL
Q602 SSM6L36FE
X1 16.8MHz
DC LOOP
50R (5.0V)
MOD1 FILTE R
SW
FREQ
5RC
33C (3.3V)
33MS 33MS 50C
IC3(1/2) DC
50C (5.0V)
BD7542FVM AMP
50C CVIN
50V (5.0V)
33M (3.3V)
Q606 SSM3J36TUT
DC
33MS (3.3V)
SW
33MSC
Q400 KTC4080E-P
RESET RESET
TRIPLER
IC605 BU4830F
AV R 33MD (3.3V)
50R
IC715 MM1856A33N
IC705 CMX7141 IC717
BASEBAND
IC708
BU7465HFV
CML_CSN
CML_SCLK
CML_CDAT A
MIC
AMP CML_EPSO
MUTE
LSDO
HSDENC
XIN
Q704 KTC4075E(Y,GR)
Q705 2SC4116(GR)F
33B CML_SSOUT
Q706 2SA1586(Y,GR)F
CML_EPSCLK
D700, D701 RB706F-40
CML_EPSI
CML_RDAT A
CML_IRQN
IC706 BU7465HFV LSDI
D702 1SS372F HSDDEC
D703 MC2850 PC
CVAD J
FREQ
MOD1
VOX
VOX
PTT
33M
RXD
50M
TA7368PL
SB SB
AF D601 D602
AMP B30-2314-05 B30-2315-05
Q710
DC DC
2SB1694 GRNLED REDLED
SW SW
DC
SW
Q600 Q604
LTC014EEBFS 8 LTC014EEBFS 8
SB
C
(No.RA003<Rev.004>) 2-6
NX-340-K, NX-340(U)-K
NX-340-M
Q2 2SC5636
NX-340-K2, NX-340-P, NX-340-M2
NX-340-M3
RF
AMP
NX-340-K3
50C
TX VCO
Q9 2SC5636 Q10 2SC5636
TX BUFFER RF
Q6 MCH3914(7)-H
VCO AMP AMP
D5,9 1SV323F
D11 BBY57-02V
D13 BB555-02V
50C
Q8
SSM3J36TUT
DC
SW
R X V C O
RX
VCO
Q5 MCH3914(8)-H
D4, D7 1SV325F
D12 BBY57-02V
Q4 KTC4075E(Y,GR)
Q7 SSM6L36FE D10 KDS160E-P
DC DC RIPPLE
50C
AMP SW FILTE R
IC3(2/2) BD7542FVM
Q1 SSM3J36TUT
Q3 RE1C001UN
50C CVAD J TX/RX
MONOLITHIC CRYSTAL FILTE R
Q403 XF400
IC400 AK2365A KTC4075E(Y,GR ) 49.95MHz
1st IF
2nd LOCAL
50.4MHz 49.95 MHz
IF
MCF
AMP
3 3 C
RSSI
FM IF
BUSY SYSTEM
FM_SDAT A
BU7465HFV
FM_RSTN
FM_CSN
AMP
FM_SCLK
FM_PDN
33M LSDO 33C
IC710 2F405VGT6KFAA
MCU
33M 33MD FM_SDAT A
SB
D604
B30-1790-05
X2 IC713
19.2MHz SM5023CNDH-G
DC
BLUELED BSHIFT AMP
SW
Q605
LTC014EEBFS 8
33MD 33MD
D E
2-6 (No.RA003<Rev.004>)
TX VCO RX VCO 1st LOCAL
450.00~520.00MHz 400.05~470.05MHz 400.05~470.05MHz
400.00~470.00MHz 350.05~420.05MHz 350.05~420.05MHz
350.00~400.00MHz 300.05~350.05MHz 300.05~350.05MHz
D14,15 Q201 Q206 Q208
1SS390 2SC5455-A RFM01U7P RD07MUS2BT214
T/R RF RF RF
SW AMP AMP AMP
50T 50R 50T
Q210 IC200
LTA044EEBFS 8 BA2904FVM
DC DC
CURRENT
DCSW
SW SW
DET
1 s t L o c a l
Q203 LTC014TEBFS8
Q209
Q205 RE1C001UN RE1L002SN
B
DC DC DC
SW SW SW
Q207 LTC014EEBFS8
50T APCSW PC
Q404 D400,401,402 Q405 D403,404
BB506CFS-E 1SV305F BB506CFS-E 1SV305F
1st RF
BPF BPF
MIXER AMP
5 0 R 5 0 R
DC IC704
PC
AMP BU7465HFV
50C
LSDI TH_DET PTT EEP_DATA I
HSDDEC INT PF1 CML_SSOUT
VOX RESET PF2 CML_EPSCLK
CVIN XIN EN1 CML_EPSI
BAT T R X D EN2 C M L _ R D A T A
RSSI OPTDET EN3 CML_IRQN
BUSY PLL_UL EN4
MINVOL 50VC EXTSPMT FM_RSTN CML_CSN
DCSW LSDO ASSISW FM_CSN CML_SCLK
APCSW HSDENC TX/RX FM_SCLK CML_CDAT A
BLUELED 50RC INSPSW FM_PDN CML_EPSO
BSHIFT 33MSC TXD EEP_DATA O
INTSPMT GRNLED PLL_DAT A EEP_CS
5CC REDLED PLL_LE EEP_SCLK
EMPTT MIC_MT PLL_CLK EEP_WP
IC700 EX25064ATA00A
EEP_DATA O
EEP_CS
XIN EEP_DATA I EEPROM
EEP_SCLK
EEP_WP
33M
F
TX/RX
450.00~520.00MHz
T X / R X
400.00~470.00MHz
350.00~400.00MHz
D201,202 RN142S
D203,204 RN141S
ANT
ANT
LPF
SW
50T
B
APCSW
NOTCH D405
FILTE R JDV2S07FS
CH SW
EN1
EN2
EN3
EN4
PTT S601
PTT
PF1 S602
SIDE1
PF2 S603
SIDE2
G