Kenwood NX-700 Service Manual page 29

A B
TX-RX UNIT (X57-8890-XX) (A/2)
(K)
R:13.57V
T:13.14V
(HK) (K)
R:13.6V R:13.57V
T:12.57V T:13.14V
(HK) IC405,D407,409
* L401 R:13.6V DC/DC
T:12.57V CONVERTER
(50M)
L402
I C 4 0 5
L403 LT1616ES6-PBF
C 4 0 1
1000u
2 5 4 S H D N
FB 3
5 V I N D409
G N D 2
L404 6 S W 1 S S 3 8 8 F 50M
SURGE REVERSE BooST 1
ABSORPTION PROTECTION
L405
2 2 u
VOLTAGE
REGULATOR (33M)
4.99V 3.32V 33A
IC408
5.01V XC6204B332M-G 3.29V 3.29V
Q416
EM6M2 33A_2
1 VIN
VOUT 5
2 VSS
3 CE
NC 4
0V
DC SW
(50IF)
1.88V
SBC_2 R440
VOLTAGE
REGULATOR (33A) 1k
50MC
Q412
D412 1.57V 2SA1955A-F
KDS121-P
DISCHARGE(33A,33M,CE) D408 R429
1 0 k
0V
Q410
VOLTAGE REVERSE CURRENT SSM3K15AMFVF
DETECTOR(BINT) PREVENTION Q410.412
(OR 33M/SBC 2) DC SW
50M R449 (50MC) 15M
4 V S E N
VIN 3
(K) 22 3.89V
R:3.63V 1.49V
VSS 2
T:3.51V 5 C D
(HK) VoUT 1
R:3.64V VOLTAGE
T:3.39V XC6108C23CM-G REGULATOR (15M)
I C 4 0 1
IC409
X C 6 2 0 5 B 1 5 2 P - G
3.31V
33M
SCTAM1
Q405 Q406,411 33BU
2SA1955A-F
Q404,402 DC SW
(33BU) Q411
DC SW 0V
(SB) 2SA1955A-F
0V
DC SW Q406 R422 2.97V
1 0 k
D401 (SCTAM1) D 4 1 0
OVER DC
SUPPLY 1 S S 3 8 8 F
PROTECTION
UPA672T-A
C415 /BINT
470p
Q404 /RST
D410 D411
REVERSE REVERSE
(K)
R:13.56V VOLTAGE CURRENT CURRENT
T:13.13V REGULATOR (80C) PREVENTION PREVENTION
(HK)
MTM981400BF R:13.59V (BACK UP BATTERY) (33BU)
I C 4 0 3 R:8.01V
T:12.50V
T:8.01V
R:0V 80C
1 IN o U T
3 Q407 T:7.93V
0V 12A02CH 80T
LTC014EEBFS8
Q402
1SS416 R 4 2 3 LTC014EEBFS8
Q 4 1 3
4 . 7 k
D403
D406
R:8.01V
REVERSE CURRENT
PREVENTION(BLVL) T:0V
0V (K)
R:1.77V Q407,413
T:1.71V DC SW
(HK) VOLTAGE (80T)
R:1.77V REGULATOR (50C)
Q401 T:1.63V
LTC014EEBFS8 1.88V
IC404 4.99V
D403 R408 TA7805F-NQ
REVERSE
1 0 k 1 I N O U T 50C
CURRENT GND 2 Q409,415
PREVENTION
3 DC SW(50R)
Q401 R:4.96V
Q409 T:0V
SW(OVER DC 1 2 A 0 2 C H 50R
SUPPLY
PROTECTION) R425 Q415
LTC014EEBFS8
4 . 7 k
IC406
R:0V
Q403 VOLTAGE T:4.96V
LTC014TEBFS8 REGULATOR (33C) I C 4 0 6
T K 7 1 7 3 3 S 3.30V
C N 4 0 3
33C
R401 1 V I N
VoUT 5
1 1M 2 G N D
2 3 o N / o F F
N P / V R E F 4
IC407
DC SW VOLTAGE IC407 3.28V
(IGN) REGULATOR (33GPS) 33GPS
1 V I N
VOUT 5
2 V S S
3 C E
NC 4
XC6204B332M-G
1.48V 3.31V
DGND
15M_1
33M_1
A[16]
A[17]
NC
A13 A19
NC
A12 A20
NC
B11 CVSS9
C503
A11 DVDD5
0.1u D[6] DVSS7
D10 D6 BCLKX1
D[7]
C10 D7 CVSS8
D[8]
B10 D8
D[9]
A10 D9
D[10] D 9 D10
D[11] C 9 D11
D[12] B 9 D12
A 9 HD4
D[13] D 8 D13
D[14] C 8 D14
100k
R501 D[15] B 8 D15
DSP(BGA)
/SCRST A 8 HD5
C504
B 7 CVDD6
0.1u
A 7 CVSS10
IC502
/RD C 7 HDS1
D 7 DVSS8
/HDS2 A 6 HDS2
C506
B 6 DVDD6
0.1u A[0] C 6 A0
A[1] D 6 A1
A[2] A 5 A2
A[3] B 5 A3
C 5 HD6
A[4] D 5 A4
A[5] A 4 A5
A[6] B 4 A6
A[7] HCNTL0
C 4 A7 CVDD7 BCLKR1
A[8]
A 3 A8 A21 C V S S 6
A[9] DVSS9
B 3 A9
C505
C 3
0.1u
NC A 2
B 2
D
33M_1
15M_1
A[16]
A[0]
A[16] G 4
A16
A[15] G 5
A15
G 1 A[15] G 6
33M o E A15 D6 DQ3
D[9] A[11]
G 2 D Q 9 A11 A[9] H 1
D5 A9
D[11] G 3 A[19] A[10]
D Q 1 1 A19 H 2 A10 IC503
D4 A[20]
3.31V G 4 V C C A20 A[11] H 3
D3 A11
D[13] G 5 A[5] A[12]
D Q 1 3 A 5 H 4 A12
D2 SRAM(BGA)
D[15] G 6 D Q 1 5 A[1] A[13] H 5
IC501 A 1 D1 A13
A[14] A[14]
H 1 V S S 1 A14 H 6 A14
C6
D[1] H 2 D Q 1 A[10]
FLASH MEMORY A10 C5
D[3]
H 3 D Q 3 A21
C4
D[4] H 4 D Q 4 A[18]
A18 C3
D[6] A[6]
H 5 D Q 6 A 6
C2
H 6 V S S 2 A[2]
A 2
C1
D
R504
100k
D
Control (E23-1278-05) VCO
(E23-1278-05)
CN506 C N 5 0 9 CN611 CN512 C N 5 1 6 C N 5 2 7 C N 5 4 0 CN543
CN612 C N 6 1 4
RX-IF (E23-1278-05) RX-Front (E23-1278-05)
C N 5 0 3 CN505 CN507 C N 5 1 0 C N 5 0 2 C N 5 0 4 CN508
TX-Module TX-Drive (E23-1278-05)
(E23-1278-05)
CN511 CN513 C N 5 1 7
C D
50C
R:4.96V
T:0.78V
D6
Q5
EMD9 0.76V RN142S C 4 9
470p
C 3 6 D 5 - 6
PLL FIN
1 0 0 0 p
T/R SW
R:0V
T:4.96V D5 C45
Q 2
LTA014YEBFS8 RN142S 470p
Q2-3,5
Q3 PLL FIN
L35 SSM3K15AMFVF T/R SW
IC2
+B TEMP
SENCOR
33C L33 D7-8
PLL IC
I C 2 FREQUENCY CONTROL
L M 7 3 C I M K X - 0 3.31V
R 4 2 L3
R 9 1 8
4 SMBCLK C 1 5 0.01u 0 10u
V D D 3 3.17V (-86)
0 C16 0.01u 3.30V
5 ALERT
G N D 2
R 9 1 9 6 SMBDAT
A D D R 1
0
3.21V 4.98V
3.32V 13 R25 R 3 0 R 3 6 L2
LD/PS2 CPout1
BUFFER AMP L31 6 0 0 390
VC 14
V C C (19.2MHz) C195 L 1 VCCcp2 VCCcp1 5 (D)
0.01u R6 R10 15
2SK1215-E(E) CPout2 IC3 LD/PS1
C 1 9 0 Q15 4.7u 4.7k 0 4
G N D (-39) 16
o U T P U T /Fvco SKY72310362LF /Fin 3
0 . 0 1 u R 4 3 L4
0V 17 Fvco Fin
X 1 1 9 . 2 M H z 2 1 0 u
18 0 (-86)
L 7 7 - 3 0 1 4 - 0 5 VCCcp2 VCC 1
1.65V 0.64V
R3 270k RN142S
I C 1 C 1 9 100p
LMC7101BIM5 D21 L 3 2 3.27V
C20 100p
2ND LOCAL SW
33C 1 O U T P U T 3.32V C21 100p R352
V- 5
2 V + 0
+ -
3 I N P U T + R4 C9
INPUT- 4 220k 4.7k
10u 10 R9 R28
1.65V R22
47k
BUFFER AMP
(TCXO MODULATION) 47k
BYPASS DIODE
D3
DA221
FC-R:5.52V I C 4
FC-T:4.91V
LMC7101BIM5
14.34V RIPPLE FILTER
Q1 13.72V 1 OUTPUT R 3 8 R35
2SC5383-T111 V - 5
R89 R17 2 V+
1 0 M R:3.01V
0 0 + - R 8 5
3 INPUT+ T:3.00V
INPUT- 4 4 7 0 k
BUFFER AMP
(VCO TUNE)
$CN207
14.34V 4.86V C215
L406 DC SW R450 R346 R202 L202
100p
560n R332
68u 0 22k 47 R205 C210 L204 C217 C222 C223
(-86)
C208 330k 0 1 0 p 4 7 n 47p
0.01u (B) 0.01u 0.01u
SB R213 (-45)
IF IC
1k
0.66V Q203
2SC5636 IC202
DC/DC IC410 TK10931VTL-G
CONVERTER
X C 9 1 0 1 D 0 9 A K - G
(150C) 2ND LOCAL 4.92V 1 OSC<B>
1 E X T
BUFFER AMP(X3) RFin 24
7.84V R436 V S S 8 50C C212 2 OSC<E>
2 L S E N GND 23
V o U T / F B 7 0.1u 3 MIXo C232 0.1u
3 3 R435 0 4 7 0 p
3 V I N R 2 1 0 10 COMPo 22
R434 C C / G A I N 6 C 4 6 2 4 VCC R 2 2 8 100k
10 4 C E / S S COMPi 21
C L K 5 C224 R338 0 5 AMIFi
0.1u NAMPo 20
C218 0.1u 6 AMIFdecp C351
NAMPi 19
R216 C227 0.1u 1 u
7 FMIFi
AGC 18
4.97V 0 C219 4.7u 8 FMIFdecp1
C220 4.7u AGCAMPo 17
W:2.86V 9 FMIFdecp2
W:3.27V RFAGCo 16
N:0.02V N:0.29V C 2 2 6 10 LIMo
1k CD201 82p RSSIo 15
W_/N L79-1850-05 11 QUADi
DSW R 2 1 5 AMSW 14
R328 R218 12 FMDETo
33C WIDE 2.7k
33C CF201 1 0 k AMDETo 13
W:0.99V Q212
L72-1017-05
C330 R313 C331 N:1.09V EMD9
IN oUT
0.1u
W:0.99V 0.1u 0
N:1.09V
0.1u
D202 C214
KDS112E-P
Narrow SW(W/N)
CF202
D201
KDS112E-P L72-1021-05
C332 R314 IN oUT C333
0.1u 1.5k 0.1u
Q201-202
SW(W/N)
W:0V D201-202 C F 2 0 3
N:3.29V L72-1040-05
R310 R231 C 3 3 4
CF SW(W/N) o U T I N
0 1k 0.1u
Q202
LTC044EEBFS8
IC511
KIC7SH08FU-P 3.31V
R915
3.31V 1 INB
VCC 5
2 INA 0
1SS416
X502 3 GND D503
oUTY 4
4 Q L77-3015-05 D503
VSS 3 0.01u REVERSE CURRENT
C530 PREVENTION(PCS_RF)
5 VDD 3 oUTPUT
XT 2 GND 2
6 XTN AND
D
INHN 1 R594 (PCS_RF/HD2)
4 VCC
SM5023CNDH-G VC 1
1 k
IC508
@C-FRE
C531
3.29V
BUFFER AMP D 0.1u
1k (18.432MHz) D
R577
R698 0
R532 1 0 0 MCDIAF
R533 0 /MCCSAF
22
R569 A4
B4
NC
32K A10
C623
A12
XTALI
/RINT D 0.01u B11 CKo XTALo
32I
/HINT A11 USRCKI
M 1 2 DSPCK
R536 0 MCSCKAF A[20] H18 ADD0
N 1 2 A[15]
J18 ADD1
L 1 1 R537 0
H D 1 FSDET A[17] K18 ADD2
M 1 1 C518 A[12]
CVDD5 L18 ADD3
N 1 1 M18 ADD4
INT3 1u /SCREQ A[10]
L 1 0 A[5] N18 ADD5
INT2
M 1 0 A[1] J17 ADD6
INT1 /DINT
N 1 0 A[6] K17 ADD7
INT0 K 9 /SYMTIM
A[2] M17 ADD8
N M I L 9 /DWUP
A[7] N17 ADD9
HBIL M 9
R558 A[14] P17 ADD10
IACK N 9 NC
100k BER_DATA A[19] K16 ADD11
BDX2 K 8
R538 1 0 0 MCDICN A[18] L16 ADD12
BDX0 L 8
R539 0 /HINT A[13] M16 ADD13
H D 0 M 8
D V S S 6 A[9] P16 ADD14
N 8 C516 0.1u A[4]
D V D D 4 J15 ADD15
K 7
HRDY R540 1 0 0 /HRDY A[11] K15 ADD16
L 7 A[16] M15 ADD17
B F S X 2 /BFSX2
N 7 R541 1 0 0 N15 ADD18
B F S X 0 /MCCSXCN A[8]
M 7 C517 A[3] P15 ADD19
C V D D 4
N 6 0.1u D[5] J16 ADD20
HINT M 6 MCU(BGA)
1 0 0 k D[2] H15 ADD21
C V S S 7 L 6
R696 BER_CLK D[3] G17 DT0
BCLKX2 K 6
D[4] H16 DT1
BCLKX0 N 5 I C 5 1 0
SCMIS0 D[6] G15 DT2
BDR2 M 5
1 0 0 k D[7] F18 DT3
HCNTL1 L 5
R544 MCDOCN D[1] F17 DT4
BDR0 K 5
B F S R 2 /SCBFS G16 DT5
N 4
B F S R 0 /MCCSRCN D[8] E18 DT6
M 4 D[15]
BCLKR2 SCBCK E17 DT7
L 4 F16 DT8
BCLKR0 A[0]
K 4 D[0] D18 DT9
D V S S 5
N 3 100k /RD D17 DT10
M 3 R 5 4 2 D[11] B15 DT11
N 2 R543 0 D[9] D16 DT12
N 1
D[10] C15 DT13
D[12] D15 DT14
D[14] E15 DT15
100k
D[13] A15 WRITE
R685
/MCCSAF /HDS2 A16 READ
MCDOAF C624 0.01u
B14 BHE
MCSCKCN C625 0.01u
C14 BLE
AMT D A13 CS4
R 5 6 0 D13 CS3
/HRDY C13 CS2
0
/WR B13 CS1
RXC /CS0 A14 CS0
OverRap
/CS3 B12 HRADY
3.31V
/CS2 D14 HDS2
DELAY TXD0 R18 TXD0
RXD0 T18 RXD0
IC505
K I C 7 S H 0 8 F U - P RTS0 R16 RTS0
CTS0
R15 CTS0
1 u 3.31V 1 INB TXD1
V C C 5 U15 TXD1 TXD2
C515 2 INA RXD1 RXD2
T15 RXD1
TXD2 TXD3
3 GND V15
oUTY 4 RXD2 V14
T14
VCC1 C522
D 6 D 0.01u
VSS1 D 1 L904 RXD3
D[1] D I2CCK
D Q 1
C 6 I2CDT
A[5]
A 5 C 4
RESET(MCU)
N C 1
C 3 NC 3.31V D
D[5]
D Q 5 C 1 I C 5 0 6
D Q 0 D[0] 1 VIN /RST C626 0.01u
B 6 VoUT 4 C533 C627 0.01u
A[7]
A 7 0.1u C628 0.01u
B 5 A[4] D D C535
A 4 2 VSS R687 4.7k
B 4 CD 3 R688 4.7k 10u
32K 6 . 3
X C 6 1 0 9 C 2 9 A N - G
D R503
D[4] 1 k
/RST
IC504
R V 5 C 3 8 6 A
X501
R545 1 32KOUT IC509
L77-1802-05
0 2 SCL VDD 1 0 @ C - F R E TC7WT125FUF
oSCIN 9 BUS BUFFER
3 SDA (BER CLK/BER DATA)
o S C o U T 8 1 G 1 V C C
8
4 INTRB 7 2 A 1 G2 4.99V
5 VSS C L K C 3.31V 7
INTRA 6 AIO7
3 Y 2
L523 Y1 6
C521 0.01u 4 G N D
A2 5
D
RTC D
AIO6
SCBSY
RX-IF GND Digital GND
L518
R562 0 R 5 3 4 0
R548 IC507
0 TC7SH126FU-F
3.31V
0
R565 0 R574 1 G D501
V C C 5 1SS388F
C 6 2 0 2 INA
D502
0 . 0 1 u
3 GND
oUTY 4 1SS388F
D D
C527 0.01u
AVR (E23-1278-05)
CN520 D
CN542
D
BUS BUFFER
(BFSX2) D501-502
LINE PROTECTION
CN549
Option20pin
E F
4.62V
C68
C 5 7 L 1 2 C66 D20 1000p
6 8 n 2.03V
2p (B) 470p RN142S
(-92)
D 1 9 - 2 0 Q6
2SC5636 2.30V
PLL FIN
BUFFER AMP
T/R SW
(PLL FIN)
D19
C56 L15 C 6 5 0.77V
3 p (B) 8 2 n RN142S
(-92) 470p
D101,205
Q9-10 1.12V
D11-16 R:3.46V
T:0V 0.96V T/R SW
VCO BUFFER AMP BUFFER AMP RF PRE DRIVE AMP RF DRIVE AMP
FREQUENCY CONTROL R:2.15V R:0V Q101
1608 Q9 (VCO) (RF) 1.99V
D 1 1 R67 Q14 T:4.23V T:4.94V 180 470p 2SC5108F/Y/
C50 R90 C67 2SK508NV(K52) 150 0.74V C98 R77 D101 C102 C104 C105 C109
2SC5636 R103 R107
0 3 3 p R70 C91 C94
470p 1SV282-F (G) 1 0 p 0 RN142S 1000p 18 470p 1.22V 33p
C 8 8
150k 2 2 p 15p
0.5p
(B)
0.94V
Q13 4.79V
2SC5636 7.70V
L40
R:0V
T:3.56V
D18
TX MODULATION R66
1608 Q10
C 5 1 R 9 1 D12 C64 2SK508NV(K52) 120 R:2.82V
50C L36
0 T:0V
4 7 0 p 1SV282-F 5 6 p
C87
0.5p R264
(B)
50R 4.7k
Q12
L 4 1
2SJ347F
Q11-12 S D
T/R SW(VCO)
4 3 G
C54 R 4 9
R62 80T
5 2
1 u 1 2 k 470k
6 1
VCO MODULATION
/BUFFER AMP(CV) 1.65V Q11
EM6M2 4.60V
0.1u
C 5 5 R92 R93 $CN205
IC5 0 0 L213 L215
BU7242NUX
RIPPLE FILTER
1 47n (-92) 47n (-92)
0.87V
VDD 8 4.98V 4.21V C269 R279
2 Q7 R343 C359
- + 7 47
3 50C 2SC5383-T111 Q208 10p
+ - 0 470p 2SC5636
6 2.03V
1k 4 VSS 1.65V R:0.02V
5 T:3.31V
4.87V
BUFFER AMP
(LOCAL)
1ST MIXER
4.35V C267
4.34V
4.33V 1000p
C271
IC204 AK1224 0.01u
R315 C234 R240
0.74V D207-210
0 0.01u 47k $CN203
R247 L234
C240 XF202 VARI-CAP TUNE
150k 330n 9
C246 L71-0649-05 (-14) VDD2 LoINN 4
0.01u 0.01u L233 L209 L212
Q204 R256 oUT IN C259 10 VDD3
2SC3356(R23) 3 6 VSS2 3
Q205 220n 220 0.01u 11 IFoUTN VSS1 1000p
(-14) 820n 2
2SC3356(R23) C279 R276 C282
R334 0.74V 12 IFoUTP RFIN
L214 1 27
0 47p
Q204-205 820n
1ST IF AMP
R229
2.7k R232
1 0 k
BUFFER AMP
(RSSI/VAGC)
R226
22k
R 2 3 9
5
VSS 4
1 0 k 6
3
7
2
C358 8 VDD
1
1 0 0 0 p
TC75W51FK(F)
I C 2 0 3
14.33V
RIPPLE FILTER
150C
3.29V
R A G C V A G C
C365 1000p
1000p C366
IF_DET
R753 C742 R766 C748
5 6 k 0.1u 100k 0.1u
D704-705
C710
0.1u
0.01u C744 KDR731
IC708 D704
3.31V 3.28V
TC7W53FKF
LPF/SUM AMP
3.28V
R:0V 1 CoMMoN 47k R925
E12 T:1.63V VCC 8
2 INH R767
E11 1.63V C729 0.1u CH0 7 0
R768
E10 C707 R716 IC706 3 VEE
MIC BU7242NUX CH1 6
L5 C547 0.1u 1.63V 4 GND 47k
0.1u 0 D705
DVDIo6 P6 C548 0.1u 1 A 5
68k VDD 8 KDR731
DGND3 DVDIo5 P11 C549 0.1u R722 R725
2
DGND2 DVDIo4 L14 C550 0.1u - + 7 AF SW
6 8 k 3 1.62V
DGND1 DVDIo3 H14 C551 0.01u 1.63V + - (TXO/TXI)
DVDIo7 C552 1u 6 R748
DVDIo2 E13 4 VSS 0
5
DVDIo1 E7 1.63V
M5 C554 0.1u
DVDD10
N5 C555 0.1u
DVDD9 3.28V
P9 C556 0.1u
DVDD8
P10 C557 0.1u /SCSW
DVDD7
N14 C558 0.1u 33A_2
DVDD6
M14 C559 0.01u 3.28V VREF
DVDD5
DVDD4 G14 C560 1u IC702
BU7242NUX
DVDD3 F14
1.48V D IC709
DVDD2 E9 1.65V 1.63V 5 1.63V
L511 VSS 4 SUM AMP
DVDD1 E8 MOD C701 R705 R714 1.62V R773
/H_L 6 (AI/TONE/MI1 MI2) C815 10u
GPIo11 B5 3 /(MOD/DI)
SBC 3.3u 100k 100k 7 R739 R745 C816 10u C757 15p
GPIo10 C6 6.3
2 0 100k R774
GPIo9 B6 8 VDD
A6 R680 1k 1 1.62V R775
GPIo8
U8 R731
GPIo7 BSHIFT C720 0.1u
R8 R681 1k 1.63V 0
GPIo6 D
R7 /INAMT
GPIo5
T7 R622 1k
GPIo4
V10 R682 1k LPF(MOD)
GPIo3
GPIo2 U9 R683 1k
33A_2
GPIo1 V9 D /OVRB
GPIo0 T9 /INT25P
SQ VOLTAGE
SIMRST C11 R618 1k /IGN CONTROL
C621 0.01u
SIMCK D12 R619 1k /PSW R755
/BINT
SIMDT C12 R620 1k DA2S101
10k
SYMTIM R5 R621 0 /SYMTIM D702
R6 FSDET R729
FSDET ASQDET 100k
R2 TXC
TXRVE D 3.28V C722 4 7 p
P3 DSW
TRAMP NOISE
P2 /PRST ASQ
TMoD DETECTOR
M4 W_/V (SQ)
PSTPA BRF
R1 MODEL 100k
PSTIF /BUFFER AMP KDR731 1.5k
PSTPLL N3 R623 MM (SQ) R 7 6 0
C740
RXRVE N2 MM2 DAC
RXSLT P1 /T_R 4700p
PSRRF L4 RXC C734 D703
NC SCBSY
PSRIF M2
/DRST 15k SW(W/N) 0.01u
PSRPLL M3 R615 0 /DWUP R707 C716
Q702
RSSIT N1 R 6 1 6 0 /DINT 220p 2SC4617(Q)
D8 R727 VREF
VFRM * R922
D7 0.01u C928
VoINT C718 270k NOISE AMP
C7
HPWR_DET MCo2
D10 0.01u C629 Q701 220p
PCB_VER MCCS2 SSM3K15AMFVF VREF
C8 R617 1k PLD
MCCK2 D
D9 /MCCSRCN 3.28V
MCCR1 IC703
MCCX1 B7 /MCCSXCN BU7242NUX
33A_2
MCo1 C9 MCDOCN
1
MCI1 B8 MCDICN D VDD 8
MCCK1 A7 MCSCKCN 2
MCI0 - + 7 R744
MCCS0 B10 /MCCSAF ASQAPC R703 R712 3 R737 4 7 k
MCCK0 + -
AGCDAC MCo0 B9 MCDOAF 10k 68k 6 47k C735 4.7u
4 VSS
D11 MCDIAF 5
A8 MCSCKAF
R3 /SCSW MOD_REF $R923
LPF(APC/DEO)
DEO Buff
0.1u
C541
D D C717 0.1u
1 0 u 6 . 3
IC701
C542
BU7465HFV 3.28V
R701 R706 450k
C708 1 I N +
100k 3 3 k VDD 5
1200p 2 V S S 1.62V
RXAF C702 R704 R713 RXAF/RXEI SW
C704 3p 3 I N -
oUT 4
1u 5 6 k 56k
R691 22k R738 5 A
100k 1.62V GND 4
R692 R728 1k 0.01u
6 CH1 R764
VEE 3 C745 120k R776
0 7 CH0
LPF(RXAF)
R610 INH 2 C749 C752
8 VCC 0.1u 0.01u
1k CoMMoN 1
TC7W53FKF R756 R758 C747 R771 C753
IC707 15k 10k 0.01u 100k 0.01u
R769 Q703
4.7k SSM3K15AMFVF
TONE SW
C817
0.01u
DC SW R506
470k
Option26pin
DISPLAY UNIT(X54-368X-XX) CN901
G
R115 R116 R120 R123 R124 R125
X57-8890-14
NX-700[K] 47k 22k 47k 270 39 39
* R953
NX-700H[K] X57-8890-15
56k 18k 56k 220 47 47
C138 C139 C162 C163 C165 C167
X57-8890-14 3.3u
IC102 NX-700[K] - 820p - 3p 43p
K :RA30H1317M123
HK:RA60H13171123 NX-700H[K] X57-8890-15 3p
- 4.7u - 9p 27p
TH1
D102
PM DRAIN ANT
BAIAS
D103-105 D107-109
L104 PROTECTION
ANTENNA SW POWER DET
33n (-92) * R124
Q102 L105 C165
2SC5455-A C118 C121 39n (-92) C135 * D103 L112 L113 L114 L115 R150
* R125 CM73F2H121J
56p 9p 470p 0
1.76V D104
R:0V
T:1.60V L407CDB
7.88V
L103
D107 D108 D109
HSM88AS-E HSM88AS-E
HSM88AS-E
R:0V
T:0.8V
R119 DSW
10k
FC-H:2.04V
FC-L:0.70V
+B
Gate Bias
RX
TH2
80T 80T
R126 R140 100k
100k
IC101 IC103
TA75W01FUF TA75W01FUF
1 1
VCC 8 VCC 8
2 2
- + 7 - + 7
3 * R132 R134 100k 3
+ - + -
6 6 * R145
4 VEE 4 VEE
5 5
Q105 C157 470p
C132 470p
LTC014EEBFS8
AUTO POWER
AUTO POWER CONTROL
CONTROL Q106
2SK1830F
R138
100k
Q105-106
SW(RF POWER H/L)
5.43V
D213,216-218
VARI-CAP TUNE
L223
0.12V
150n
(-92)
LNA 0.88V
C287 C297 C335 C343
C315 R305 R322 C316 C329
Q210
15p 12p 10p 1000p
(G) (G) (B) NESG240034 33p 0 0 18p (G) 47p
(G)
ANTENNA SW
FL:1.63V
FC:2.45V
FH:4.36V
R299
100k
FL:1.63V
Q209 IC207
FC:2.45V
2SC5383-T111 BD7542FVM FH:3.86V
1
VDD 8
2
7
- +
3
6
4 VSS + -
5
C298 0.1u
C289 1000p
AF POWER AMP
DTI IC715
C762 0.1u TXI
C763 0.1u TXO
Q704-705
R825 C801 C802
AF LIMIT 10k 1u 1u
Q704 R828
DETECTOR
(LIMIT) 2SC4738(GR)F 0
13.54V
R784 33A_2 1.34V
0V
150k
DC SW
AF MUTE
MM2 330u 16
R823
C806
4.7k
MUTE /INAMT Q710 6.38V
R787 (MI2) Q709
LTC014EEBFS8 KRC401-P
270k
C794
Q705 MI2
R779 2SA1832(GR)F Q707 10u
2SJ243-A 10
470k 1.62V 3.26V
C787 Q706
C764 R786 C773 R796 C782 10u 10 2SJ243-A C795
MI1 HOR
22p 39k 0.1u 10k 0.1u 3.25V 10u 10 PA
SPO
VREF MUTE 470k
(MI1) R662
/INT25P R663 470k
ME
R:3.31V 50C D512
T:0V LINE
C591 PROTECTION
0.01u (AUXIO9)
MM IC514
R797 C783 R806 TC7WBD125AFK 4.98V
330k 0.1u 5.6k
R789 1 oE1
VCC 8
680k I2CCK
0 R798 C784 2 A1
oE2 7
1.63V I2CDT 3 B2 19 AO2 TX-RX UNIT (X57-8890-XX)(B/2):D-SUB25
680k 0.1u SCL P12
470k B1 6 12
4 GND 20 SDA P11 AO1
82k A2 5 11
4.98V 21 VCC AIO9
P10
IC517 10
22 PCA9535RGE
LEVEL SHIFT INT GND 9
AIO8
50C (I2CCK/I2CDT) 23 A1 P07
I/O EXPANDER 8
24 AIO7
SDO0 A2 P06 7
SCK0 D506
/EVCS
33M REVERSE
CURRENT
PREVENTION
(OR G_RXD2) R664 100k
D506 1k R665 100k
3.28V RXD2 R651 R666 100k
R667 100k
VREF 1SS416 D511 1k
LINE R842 R668 100k
D507 R669 100k
C776 1u PROTECTION
1SS416 (RXD2)
C777 1.62V
G_RXD2
1.62V
1000p REVERSE
CURRENT
PREVENTION CN600
(OR RXD2)
AIO6 AIO6
C598 1000p 30 AUXIO6/BER CK 1
AIO7 AIO7
OPT10 SW AUXIO7/BER DT 2
50C C599 1000p 29
AIO1
Q708 IC513 C600 1000p 28 AUXIO1 3
2SA1832(GR)F C799 OPT10 TC7SET08FUF 4.98V AIO2
AUXIO2
C601 1000p 27 4
0.1u 1 INB
RXD2/DI 5
VCC 5 26
R836 OPT10SEL TXD2 2 INA AIO3
C602 1000p 25 AUXIO3 6
33k 3 GND R644
1.62V 0 0 TXD2/AUXIO9 7
C789 4.7u R818 R821 DEO oUTY 4 0 24
AIO4
C790 10u or TC7SET08FU-F C603 1000p 23 AUXIO4 8
DI AIO8
AUXIO8 9
C813 10u D706 D707 100 C604 1000p 22
R822 50C AIO5
C605 1000p 21 AUXIO5 10
D706 AIO9 R654
LINE MC2850 AUXIO9/CTS
D508 0 20 11
PROTECTION IC513 AO1
(DI) EMZ6.8N EMZ6.8N C606 1000p AUXO1 12
33A_2 BUFFER AMP 19
TXD0
D707 (TXD2) 18 13
VREF 3.28V AO2
3.28V LINE D508 AUXO2 14
PROTECTION C607 1000p 17
1.62V LINE PROTECTION
1 (DEO) 16 RXD0 15
VDD 8 R810 1k OPT6
2 GND 16
- + 7 15
1.62V ME
3 AO SW 14 ME 17
+ - 6
4 VSS MI2
13 18
5 5 A DEO
GND 4 C608 100p 12 DEO 19
TC75W51FK(F) 6 CH1
VEE 3 GND
IC711 11 20
7 CH0 50C
1.62V INH 2 50C 21
SUM AMP(AF) 8 VCC C797 AO C609 1000p 10
/VREF CoMMoN 1 0.1u 9 DI/RTS 22
R790
TC7W53FKF AFO 23
3.28V 220k F501 C610 100p 8
C788 IC713 SB
7 SB 24
F53-0352-05
0.1u SB 25
IC710 R650 6
TC7W53FKF DI
5 SB 26
AFO BUFFER 0
330k 1 CoMMoN 50C SB
4 27
VCC 8
R777 2 INH SB 28
150k CH0 7 3
3 VEE IC714 SB
TC75S51FE(F) 2 29
CH1 6 R792 4.98V LEVEL SHIFT 3.31V
R778 4 GND NC/RSSI 30
390k A 5 1 IN+ (RXDO/CTSO) 1
1k VDD 5 33M
2 VSS
AF SW CN901
(AI TONE OPT9/VREF) 3 IN- IC516
oUT 4
0.1u 82k 1 G1
R785 C775 R791 C785 R805 0
R782 10k 0.1u 560k 47p R819 VCC 8 RXD0
2 A1
15k G2 7 TXD0
C792 0.1u
C798 3 Y2
100k Y1 6
4 GND
R814 A2 5
CTS0
TC7WH126FU-F
50MC 9 R2oUT
R2IN 8
D510 10 T2IN
RXD0 D509
T2oUT 7
26P_RD 1SS416 1SS416 11 T1IN C614 1u 25
V- 6
D509-510 C615 1u
12 R1oUT 25
REVERSE CURRENT CTS0 C2- 5
ME RXD3 13 R1IN
PREVENTION C2+ 4
RTS0 C616 1u
14 T1oUT 25
C1- 3
C590 0.01u 3 . 3 1 V 5 . 0 1 V 15 GND C613 1u 25
V+ 2
50MC 16 VCC
4 o U T Y C1+ 1
GND 3 IC515
REVERSE CURRENT
ADM202EARNZ
PREVENTION INA 2 1 G1 IC518
(PCS_RF) 5 V C C VCC 8
2 A1
D504 INB 1 G2 7
C825 4.98V
3 Y2 RS-232C DRIVER
100p 1SS416 IC512 Y1 6
TC7SET08FUF 4 GND
A2 5
TC7WT126FU-F
LEVEL SHIFT
CN597 (AND ITXD1/SCTXD)
LEVEL SHIFT
(TXDO/RTSO)
H I
NX-700/700H
APPENDIX
(SCHEMATIC DIAGRAM X57-8890-XX)
1
R127 R132 R135 R139 R142 R143 R145 R146 R922 R953
270 330k 330k 100k 820k 82k 100k 82k - -
220 100k 390k 120k 390k 100k 47k 120k 0 -
C169 C171 C173 C174 C176 C177 C179 C182 C184 C186 C188
2p 0.5p 47p - 1.5p 0.5p 39p 22p 3p 0.5p 18p
6p 5p 6p
0.3p 22p 1 8 p 0.3p 36p 2 7 p 0.3p 15p
D103 L107 L401
NX-700[K] X57-8890-14 - - -
NX-700H[K] X57-8890-15 L407CDB LB73Z0AF-001 LB73Z0AF-001
2
3
CN705
1 SB
2 SPI
3 SPO
R831 0 PA
4
5 HOR
C810 GND
6
470p
EXT.SP
J701
4
D-Sub25
A
R902 100
C911 100p
R903 100
C912 100p
R904 470
C913 100p
R905 470
C914 100p
C915 100p
R906 470
C916 100p
27
R907 470 13
C917 100p
R908 470 25
12
C918 100p 24
R909 470 11
C919 100p
R910 470 23
10
C920 100p 22
R911 470
C921 100p 9
21
8
20
R912 470
C909 100p 7
19
6
R913 470 18
C910 100p 5
17 5
4
16
3
L901 15
2
14
1
26
A A
A A J901
L902 A
D905-906
OVER DC SUPPLY
PROTECTION
D909,913
REVERSE CURRENT
A
A A A PREVENTION(SB)
R901 R914 D910,914
A 470 470 OVER DC SUPPLY
Q901 Q902 PROTECTION
QSX6
QSX6
A A Q901-902
DC SW
(AUXO1,AUXO2)
6