Kenwood NXR-710 Service Manual page 116

FINAL UNIT (X45-392)
+B
FINAL AMP
DRIVE AMP DRIVE AMP
Q4
Q3 Q2
TX ANTENNA CM COUPLER RD70HVF1-101 PD55003S-E
2SC3357-A
LOW PASS FILTER
Vcont
Auto Power
DC AMP
REV DET FW DET Control
IC202(A/2)
TA75W01FUF
REV DET FW DET
LIMITER AMP
IC201(B/2)
TA75W01FUF
BUFFER AMP
IC202(B/2)
TA75W01FUF
REF AMP
IC201(A/2)
TA75W01FUF
Temp1
Power Supply
+B CN201
AVR ANT8V
IC203 SW
NJM78M08FA-ZB
CN205
FAB
ASWC
SW
80T
SW
FAN
8TC
SW
80C
AVR
IC702
SBC
NJM78M08FA
150C
DC-DC
IC701
XC9101D09AKR
80R
SW
RXC
50C
AVR
IC700
NJM78M05DL
DISPLAY UNIT (X54-358)
Volume VLI
VR601
5M
5M
AMP
SB SB SB IC501
D603
NJM4558E-ZB
MIC
MIC JACK
VR501
J601
PTT/TXD
HK/RXD
PTT/TXD
HK/RXD
CN601, CN501
AGC AMP
CLK, SOE,
STB1, DAT
Shift Reg.1
IC503
BU4094BCFV
SW
Q512~514
UPA627T-A
S501 S502 S503 S504 S505 S506
KEY1~5
TX-RX UNIT (X57-794)
SPSCLK0,SPSD0
TXVCOA,TXVCOB,
80T
/TXPCS
BUFFER
DRIVE AMP
Q606
D601
Q1
2SC5636
CN1 CN610 HVC131
2SC3357-A
1dB 3dB
SW
ATT
ATT
8TC
80T
LOW PASS FILTER
MOD PLL IC
16.8MHz
IC602
ADF4001BRUZ
AMP
Q602
2SC4617(R)
SPSCLK0
SPSD0
CN204 CN801
/16_8PCS LDT
LOOP FILTER
8TC 8TC
FAN FAN
ASWC ASWC
PLIM PLIM
LEVEL CONV
RAMP RAMP IC801
TC75S51FE(F)
H/L H/L
FDT FDT LEVEL CONV
IC803
TMP1 TC75W51FK(F)
TMP1
TMP2
TMP2
HWV2
HWV2
Temp2
CN203 CN701
Hard Ware
Hard Ware
Version
Version
CN800
CONTROL UNIT (X53-449)
CN700 CN301
SB
60DC
DC-DC
IC301
LT3685EMSE
80C_1
Ripple Filter
80C_2
Ripple Filter
150C_1
Ripple Filter
150C_2
Ripple Filter
50R
SW
AVR
RXC 30R
IC704
TK11230CMCL
AVR
33C
IC703
TK71733S
CN502 CN40
50M
SB
AVR
IC506
5V
TA78L05FF
AVR
IC507
5V
TA78L05FF
VLI VLI_DIS
MIC MIC
PTT/TXD
HK/RXD
KEYI[0~2], KEYO[0~1]
KEY1~5
SPSCLK1_DIS
DAT,CLK,SOE,STB1 SPSD1_DIS
CLK, SOE, CLK, SOE, CLK, SOE,
SR_OE_DIS
STB1, DAT STB1, DAT STB1, DAT
/PSW
PSW
Shift Reg.4
Shift Reg.2 Shift Reg.3
IC502
IC504 IC505
BU4094BCFV
BU4094BCFV BU4094BCFV
SW SW
Q516~519 Q521~524
UPA627T-A UPA627T-A
SW SW SW
Q508,Q504 Q507,Q510,
Q503,Q504,
Q511
Q506,Q509
CN44
DSUB 25PIN
D503 D504 D505
LED LED LED
Q503,504,507: UPA672T-A
Q506,508~511: RT1P141M-T111
S507
D506 D507
7SEGMENT 7SEGMENT
CV AMP
IC608
LDT TC75W51FK(F) TX_CV
ASSIST AMP
IC607
LMC7101BIM5 MOD AMP
TXASSIST
TX IC606
LMC7101BIM5
VCO/PLL
X58-5080-10 VREF
IC605
MO
TC75S51FE(F)
AMP
IC604
LMC7101BIM5
OSC
X600
BUFFER 16.8MHz
IF AGC AMP
Q603
Q300
2SC4617(R)
2SK294-FP MCF
AMP
IC603
TC75S51FE(F)
Diff AMP
IC401(B/2)
TC75W51FK(F)
AMP
MB
IC409(A/2, B/2)
TC75W51FK(F)
RSSI
RXC
IC806
TC7W53FK(F)
RSSIOFS
SW
EVOL
IC804
I/O Expander
M62364FP-F
IC805
MCP23S08TE/ML
TXASSIST
RXASSIST TEMP
IC800
TX_CV
LM73CIMKX-0
RX_CV
SBC
TXCOB
RXVCOA/B E2PROM
LDT SPSCLK0 TXVCOA IC802
33A
LDR SPSD0 /RXPCS_TR M24C02-RMN6TP BUFFER
/16_8PCS /TXPCS IC402
RSSI
LMC7101BIM5
TMP1
TMP2 AGC
/EWP
AMP_B
SW
Q402
2SJ506-E(S)
AVR 50M
IC302
OR
XC6201P502PR
Q401
RT1N141M-T111
33M
AVR
IC303 AMP_SW
Q303
XC6204B332P1 /OVRB
2SA1955A-F
33BU Q301 /OVRB
SW
RT1N441U-T111
/BINT
/BINT
IC307
XC61CN2702N
/RST
RESET
IC308
XC6109C29ANN
16M
AVR
IC305
XC6205B162PR
15M
AVR
IC304
XC6205B152PRN
AVR 33A
33M
IC306
XC6204B332P1
FLASH
IC3
E29PL03270TIP
33BU
/RST
SRAM
IC9
C
33M 16M
RXD2_DIS
TXD2_DIS
DSP
IC6
B
LEVEL
CONVERTOR
/BER_EN
BER_CLK_5V
(3.3V→5V)
/BER_CLK
BER_DATA_5V
IC23 /BER_DATA
TC7WT125FUF
IF AMP 1st Lo AMP
Q301
Q203
2SC5337 194.05~
2SC5636
232.05MHz
MIX 3dB ATT
58.05MHz
IC300
ADL5350ACPZ
LOW PASS FILTER
BUFFER
IC401(A/2)
TC75W51FK(F)
RSSI
CF
IF-IC
450kHz
IF IC403
IF AMP
NJM2287V
IC400
AGC
AD8051ART
IC405~408: TC7W53FK(F)
CF (Narrow)
SW SW SW SW
IC405 IC406 IC408 IC407
CF (VNarrow)
CF (Wide)
IF AMP
IC404
MCP6021-E/0T
CN802
CN39
33M 15M 33A
/485_RE1, RXD1, TXD1, 485_DE1
IFR /485_RE2, RXD3, TXD3, 485_DE2
KEYI[0~2], KEYO[0~1]
/PSW
VLI
MCU
A
IC20 MICADC0
AO[1~5]
PTT, TXD0, TXD2
/IOINT, EPTT, HK
RXD0, RXD2
/FRST
/FRST
A[0~21], D[0~15]
/RD, /WR, /CS0, /WP
/RINT, 32K
A[0~17], D[0~7]
/RD, /WR, /CS2
A[0~20], D[0~15],
I2CCK, I2CDA
/RD, /WR, /HRDY, /CS3,
/HDS2
SPSCLK1, SPSD1
/DRST
/DRST
/MCCSXCN, /MCCSRCN,
MCDICN, MCDOCN, MCSCKCN
MCSCKAF, /MCCSAF,
MCDIAF, MCDOAF
/SYMTIM, /DINT, /DWUP, FSDET, /HINT MICADC1
/PCS_DSP
BUFFER VCTCXO
IC16 X1
MAIN_CLK
SM5023CNDH-G (18.432MHz) BSHIFT
SPDAC
PWM1
XTAL_IN
ADC1
VREF AMP
VREF
IC411(A/4)
Squelch DAC
/PDN, LRCLK, NJM2734V
IC14
SDTI, BICLK LDR
AK4386VTP
AMP AMP AMP
IC13(A/2,B/2) Q4 IC15(A/2)
TC75W51FK(F)
TC75W51FK(F) 2SC4617(S)
REF AMP
IC405(B/4)
NJM2734V
VREF
AMP AMP
IC500 (B/2) IC500 (A/2)
TC75W51FK(F) TC75W51FK(F)
DETECTOR
D503
BUFFER
HSM88AS-E
Q501
2SC4617(R)
10MHz or 19.2MHz
SW
D504,505 AGC AMP
JDP4P02AT LOW PASS FILTER Q503
3SK294-FP
AMP
SPSCLK0,SPSD0
Q504
1dB ATT
RXVCOA/B, LOW PASS FILTER
LDR 2SC4617(R)
/RXPCS_TR
AMP
19.2MHz
REF
1dB ATT Q502
RX 2SK3737-5
VCO/PLL RX_CV
X58-5070-10
CV AMP
IC200
TC75W51FK(F)
AMP RXASSIST
IC201
LMC7101BIM5
x3
57.6MHz
Q202
2SC5636
LOW PASS FILTER
BAND PASS FILTER BAND PASS FILTER LOW PASS FILTER
136~174MHz
LNA AMP
Q101
2SC5337
BUFFER AMP BUFFER AMP
IC100 IC101
LMC7101BIM5 LMC7101BIM5
N_SYNC
LEVEL CONVERTOR TRANSCEIVER
IC7:TC7WT125FUF IC4 N_SYNC1_A, N_SYNC1_B
IC10:TC7SH125FU-F ISL8485EIBZ
LEVEL CONVERTOR TRANSCEIVER
N_SYNC2_A, N_SYNC2_B
IC8:TC7WT125FUF IC5
IC11:TC7SH125FU-F ISL8485EIBZ
to CN40 DISPLAY
AMP
VLI_DIS
IC27(A/2,B/2)
TC75W51FK(F)
AMP
IC405(C/4) MIC
NJM2734V
SPSCLK1_DIS, SPSD1_DIS
TXD2_DIS
LEVEL CONVERTOR
(3.3V→5V)
IC18
SR_OE_DIS
TXD0_RS
TC74VHCT244AFK
/FRST_IO
BUFFER
IC21
ADM101EARMZ
RXD2_DIS
TXD0_RS, RXD0_RS
RXD0_RS
LEVEL CONVERTOR
(3.3V↔5V)
IC19
IOINT_5V
TC7MBD3245AFK
I/O Expander SC, EXT_MON
IC22
I2C_5V
MCP23017TE/ML
AUXIO[1~6]
AI[1~3]
EPTT_5V
SELECTOR
/RST B
BER_CLK_5V
AND GATE
RTC BER_DATA_5V
IC26
SR_STR
IC17
X TC7SET08FU-F SR_STR_DIS
R2023T
X2
STR_SEL to
SELECTOR
32.768kHz
LEVEL CONVERTOR
OR GATE
IC23
IC25
/EVDSCS
TC7SH32FU-F /EVDSCS_EV
_
STR_SEL
VREF
RD
AMP
IC406(A/2,B/2)
NJM2732V
33A
TMP, HWV1, HWV2, FWD, TXASSIST, RXASSIST, TX_CV, RX_CV, AGC, TXVCOB, TXCOA, RXCOA/B, LDT, LDR
/16_8PCS, /TXPCS, SPSCLK0, SPSD0, /EWP, /IOCS, /EVCS, SBC
/PCS_DSP
RXPCS_TR
/RXPCS
SELECTOR
AMP
AND GATE
IC404(A/2)
IC24
MODDAC
NJM2732V
TC7SH08FU-F
VREF
AMP MOD
AMP
RAMP_TX
IC28 RAMP VREF IC404(B/2)
NJM2732V
TC75S51FE(F) AMP
TA RSSI
IC405(A/4) TA
NJM2734V
AMP
IC405(D/4)
SB
NJM2734V AMP
VREF TD
IC15(B/2)
TD TC75W51FK(F)
to MCU
TD IC20
SW
AMP
IC407
A EXT_RSSI
IC411(D/4)
TC7W53FK(F)
TD_SW
NJM2734V
RA
AO[1~5]
Q6~10
SELECTOR
AMP
IC411(B/4) NAND GATE
DAC
AMP_B
NJM2734V IC401
IC412
TC7SH00FU-F
M62364FP-F
SPO
Q405
AMP
IC411(C/4) DTC363EU Power
NJM2734V AMP
SW
/PSW LA4422-E
/EVDSCS_EV,
SPO
SPSCLK1,
SW
SPSD1
IC402
TC7S66FUF
/AF_MUTE
EXT_IN
10MHz
OSC
X500
RX ANTENNA
136~174MHz
CN5
C
CN44
DSUB25
RD
TA
TD
RA
SPM
CN38 TX-RX
CN41
CN42
TEST/SPKR
SPI
CN43