Kenwood NX-800 Service Manual page 40

A B
TX-RX UNIT (X57-8900-18) (A/2)
R:13.57V TEMP
T:13.09V SENCOR
IC405,D407,409
L401 R:13.57V
DC/DC
T:13.07V CONVERTER I C 1
L M 7 3 C I M K X -0
L402 (50M)
+B
R918 4 SMBCLK
I C4 0 5
100
C 401 L403 LT1616ES6-PBF 5 ALERT
1000u
25 4 S H DN R919 6 SMBDAT
L404 FB 3 100
5 V I N 5.01V
D409
G ND 2 1 S S 3 8 8 F 50M
6 S W
SURGE REVERSE BooST 1
VC
ABSORPTION PROTECTION
L405
22uH
G N D
X 1
VOLTAGE
REGULATOR (33M)
4.99V 3.32V
I C4 0 8 33A
5.01V XC6204B332M-G 3.29V 3.29V
Q416 TCXO MOD
SSM6L05FU-F 33A_2
1 V I N
VOUT 5
2 V S S
33C
3 C E
N C 4
0V DC SW
(50IF)
1.88V
VOLTAGE R440
1 k
REGULATOR (33A) 50MC
SBC_2
D412 Q412
1 S S 3 0 1 F 1.57V
D408 R429 2SA1955A-F
DISCHARGE(33A,33M,CE) 1 0 k 0V
SBC_2
Q410
SSM3K15TE(F)
VOLTAGE REVERSE CURRENT Q410.412
DETECTOR(BINT) PREVENTION DC SW
(OR 33M/SBC 2)
(50MC)
4 V S EN 50M R4 4 9 15M
VIN 3 22
3.89V 1.49V
VSS 2
5 C D
R:3.62V VoUT 1
T:3.50V
XC6108C23CM-G VOLTAGE
I C4 0 1 REGULATOR (15M)
IC409
XC6205B152P-G
3.31V
33M
SCTAM1
Q405 33BU
2SA1955A-F Q406,411
Q404,402 Q411
0V DC SW
DC SW (33BU)
2SA1955A-F
(SB)
D401 DC SW 0V R422
(SCTAM1) Q406 2.97V
10k
OVER DC D410
SUPPLY
PROTECTION 1 S S 3 8 8 F L406
C415
470p 68u
UPA672T-A
/BINT
SB
/RST
D410 D411 DC/DC
IC410
Q404 REVERSE REVERSE CONVERTER X C 9 1 0 1 D 0 9 A K -G
MTM981400BF VOLTAGE (150C)
REGULATOR (80C) CURRENT CURRENT
PREVENTION PREVENTION 1 EXT
R:13.55V
T:13.02V IC403 R:8.03V (BACK UP BATTERY) (33BU) 7.84V R436 2 LSEN
T:7.97V
1 I N R:0V 80C 33 R435 0 3 VIN
o UT Q407
3 T:7.96V R434 1 0
12A02CH 80T 4 CE/SS
0V
LTC014EEBFS8 LTC014EEBFS8
Q402 Q413
D403 R4 2 3
1SS416 D406 4.7k
R:8.01V
REVERSE CURRENT
0V T:0V
PREVENTION(BLVL)
Q407,413
DC SW
VOLTAGE
Q401 (80T)
LTC014EEBFS8 REGULATOR (50C)
R:1.73V DSW W_/N
D403 IC404
T:1.66V 4.99V
REVERSE 1.88V TA7805F-NQ
CURRENT R408
1 I N 50C
PREVENTION O UT
1 0 k GND 2 Q409,415
Q401
3 DC SW(50R)
SW(OVER DC R:4.96V
Q409 T:0V
SUPPLY 1 2 A 0 2 C H 50R
PROTECTION) 33C
Q415
R425 LTC014EEBFS8
4 . 7 k
IC406 R:0V
VOLTAGE I C4 0 6 T:4.96V
Q403 REGULATOR (33C)
LTC014TEBFS8 T K 7 1 7 3 3 S 3.30V
33C
C N 4 03 1 V I N
R401 VoUT 5
2 G N D
1
1M
3 o N/ o F F
2
NP / V RE F 4
IC407
DC SW
(IGN) VOLTAGE IC407 3.28V
REGULATOR (33GPS)
33GPS
1 V I N
VOUT 5
2 V S S
3 C E
NC 4
XC6204B332M-G
1.48V 3.31V
R 6 9 8 0
DGND DGND
R532 1 0 0
R533 0 /MCCSAF
15M_1 15M_1
33M_1 33M_1
A[16]
A[17]
NC
A13
NC A19 M 1 2 R536 0
A12 A20
NC N 1 2
B11 CVSS9
L 1 1 R537 0
C503 A11 DVDD5 H D 1
DVSS7 M 1 1 C518
0.1u D[6] D10 D6 CVDD5
BCLKX1 N 1 1 1u
D[7] C10 D7 CVSS8 INT3
L 1 0
D[8] INT2
B10 D8 M 1 0
D[9] INT1
A10 D9 N 1 0
D[10] INT0
D 9 D10 K 9
D[11] NM I
C 9 D11 L 9
D[12] HBIL
B 9 D12 M 9
IACK NC R558
A 9 HD4 N9
D[13] BDX2 100k
D 8 D13 K 8 R538 1 0 0
D[14] BDX0
C 8 D14 L 8 R539 0
100k D[15] HD0 /HINT
R501 B 8 D15 M 8
DSP DV S S 6
/SCRST A8 HD5 N 8 C 5 1 6 0.1u
C504 DV DD4
B7 CVDD6 K 7
HRDY R540 1 0 0
0.1u A7 CVSS10 L 7
IC502 B F S X 2
/RD C 7 HDS1
B F S X 0 N 7 R541 1 0 0
D7 DVSS8
M 7 C517
/HDS2 A 6 HDS2 CV DD 4
N 6 0.1u
C506 B 6 DVDD6 HINT
M 6 1 0 0 k
0.1u A[0] C6 A0 CV S S 7
L 6 R696
A[1] D 6 A1 BCLKX2
K 6
A[2] A 5 A2 BCLKX0
N5
A[3] B 5 A3 BDR2
M 5 1 0 0 k
C 5 HD6 HCNTL1
L 5 R544
A[4] D 5 A4 BDR0
K 5
A[5] A4 A5 B F S R2
N4
A[6] B4 A6 B F S R0
M 4
A[7] C4 A7 HCNTL0 BCLKR2
BCLKR1 L 4
A[8] A3 A8 CVDD7 BCLKR0
A21 C V S S 6 K 4
A[9] B3 A9 DV S S 5
DVSS9 N 3 100k
C505 C3
M 3 R 5 4 2
0.1u
NC A 2 N 2 R543 0
B 2 N 1
100k
D
R 6 8 5
/MCCSAF
33M_1 MCSCKCN
15M_1
R 5 6 0
DGND DGND
0
IC505
T C 7 S H 0 8 F U -F
1u 1 INB
V C C 5
C515
2 INA
3 GND
A[16]
oUTY 4
A[0]
A[16] G 4 A16
D6 D C522
A[15] VCC1 0.01u
G 5 A15 VSS1 L904
D1
G 1 o E A[15] G 6 DQ3 D[1] D
33M A15 DQ 1
D[9] D6 C 6
G 2 A[11] A[9] H 1 A9 A[5]
D Q 9 A11 D5 A 5
D[11] A[19] C 4 I C 5 0 6
G 3 D Q 1 1 A19 A[10] H 2 A10 IC503 XC6109C29AN-G
D4 NC1 C3 NC
G 4 A[20] A[11] D[5] RESET
V CC A20 H 3 A11 DQ 5
D3 C1 /RST
D[13] G 5 D Q 1 3 A[5] A[12] H 4 SRAM(BGA) D[0] 1 V I N
A 5 D2 A12 DQ 0 VoUT 4
D[15] A[1] B 6
G 6 D Q 1 5 A 1 A[13] H 5 A[7]
IC501 D1 A13 A 7 B 5
H 1 V S S 1 A[14] A[14] A[4]
A14 H 6 A14 A 4 2 V S S CD 3
C6 B 4
D[1] H 2 D Q 1 A[10]
FLASH MEMORY A10
D[3] C5
H 3
D Q 3 A21 C4
D[4] A[18]
H 4 D Q 4 A18 D
C3
D[6] H 5 A[6] D[4]
D Q 6 A 6 /RST
C2
H 6 A[2]
V S S 2 A 2 C1
IC504
R V 5 C 3 8 6 A
D
R545
1 32KOUT L77-1802-05
0 2 SCL VDD 1 0
R504
3 SDA oSCIN 9
100k oSCoUT
8
4 INTRB
D 5 VSS C L K C 7
3.31V
INTRA 6
C521 0.01u
L523
D
RTC
Control (E23-1278-05) VCO (E23-1278-05) RX-IF GND Digital GND
R916
CN 5 0 6 CN5 0 9 CN611 R562
CN512 CN516 CN527 CN540 CN543
0 R917
D
R548
C N 612 C N6 1 4 0
RX-Front (E23-1278-05) RX-IF (E23-1278-05) R565
CN502 CN504 CN5 0 8 CN5 0 3 CN505 CN 5 0 7 CN510 0
R550
0
TX-Module (E23-1278-05) TX-Drive (E23-1278-05)
AVR (E23-1278-05)
C N 51 1 CN 5 1 3 CN517 CN5 2 0 C N 5 4 2
C D
4.95V
50C
50C R4 3 1 0
C39 3p
(B)
C3 4 L4 C 4 9 1.44V
(-92)
47p 1 8 n (G) 0.92V
15p Q3
2SC5636
BUFFER AMP
(PLL FIN)
L 3 5
33C L 3 3
CV D3-4 D7-12
PLL IC
FREQUENCY CONTROL FREQUENCY CONTROL
3.31V
R 4 0 L6 C50 R84 D7
V D D 3 C16 0.01u 0 10u 150p 0 1SV282-F
(-86)
3.17V C17 0.01u 3.29V
G N D 2
A D D R 1 3.21V
4.97V
R25 R 2 9 R 3 5 L 3
BUFFER 3.31V 13 LD/PS2 CPout1
L31 6 390
AMP 14 0 0
(19.2MHz) C92 L1 R 6 R10 VCCcp2 VCCcp1 (D) L 4 0
V C C 5
15
2SK1215-E(E) 0.01u 4.7u 4.7k 0 CPout2 IC3 LD/PS1 4
C 8 8 Q11 (-39)
16 /Fvco /Fin
o U T P U T SKY72310362LF 3
0 . 0 1 u 0V 17
Fvco Fin R4 1 L 7 C51 R85 D8
1 9 . 2 M H z 2
18 10u 0
VCCcp2 VCC 1 0 1 5 0 p 1SV282-F
(-86)
0.64V D 2 1
1.65V HVC131
L 3 2 C19 100p
R 3 330k 3.26V
2ND LOCAL SW C20 100p
I C 2
LMC7101BIM5 3.31V C21 100p
R352 L 4 1
1 OUTPUT
0
V- 5
2 V+
VCO MOD
+ -
3 I N P U T + 4.7k
INPUT- 4
R12
CV
R1 3 R27 C 55
BUFFER AMP
4 7 k
(TCXO MODULATION) 47k 1u
6.3
VCO MODULATION
BYPASS DIODE
/BUFFER AMP(CV)
1.65V
D2
0.1u
FC-R:7.08V ASSIST C54
FC-T:6.61V I C4 IC5
TC75W51FK(F)
LMC7101BIM5
RIPPLE FILTER DA221
14.34V 13.72V 1
1 OUTPUT R 3 6 VDD 8
R80 R81 V- 5
2SC5383-T111 2 V+ 2
1 0 M - + 7
Q1 0 + - R76 R 3 4 3
0 3 INPUT+ + -
INPUT- 4 1 k 6
470k 4 VSS 1.65V
R:3.07V 5
T:3.05V
BUFFER AMP
(VCO TUNE)
$CN207
2ND LOCAL
4.86V
14.34V R204 BUFFER AMP(X3) C215
DC SW
R450 R346 47 L202 100p
0 560n R332 L204 C 2 2 0 C 2 2 2 C 2 2 3
22k R207 C211 4.35V
(-86) IF IC
330k 0 1 0 p 47n 47p 0.01u 0 . 0 1 u
R213 C208 (B) (-45)
1k 0.01u
Q203 I C2 0 2
0.66V TK10931VTL-G
2SC5636
4.92V 1 OSC<B> R345 C234
C2 1 0 RFin 24 0 0.01u
50C 2 OSC<E>
V S S 8 GND
0 . 1 u 2 3 C232 0.1u
3 MIXo 2SC3356(R23)
V o U T / F B 7 COMPo 2 2
4 7 0 p R2 1 0 10 4 VCC R227 100k
C C / G A I N 6 C462 COMPi 2 1
C225 R338 0 5 AMIFi
C L K 5 NAMPo
0.1u 2 0
C217 0.1u 6 AMIFdecp R334
NAMPi 1 9
R2 1 6 C228 0.1u C341 1u
7 FMIFi 0
4.97V AGC 1 8
0 C218 4.7u 8 FMIFdecp1 R2 3 0
AGCAMPo 1 7 1k R234
C219 4.7u 9 FMIFdecp2
RFAGCo
W:3.27V W:2.86V C227 1 6 10k
CD201 10 LIMo
N:0.02V N:0.29V L79-1850-05 RSSIo 1 5
R215 82p 11 QUADi
1k
3 . 3 k AMSW 1 4
R219 12 FMDETo R228
R328 WIDE
Q212 1 0 k AMDETo 1 3 22k
CF201 EMD9
L72-1027-05 W:0.99V R238
C330 R343 C331 N:1.09V
W:0.99V IN OUT 1 0 k
N:1.09V 0.1u 0 0.1u D202
D201 DAN235E
DAN235E 0.1u
C212
C358
Narrow SW(W/N)
1000p
CF202
L72-1041-05
C332 R344 IN OUT C333
0.1u 0 0.1u
Q201
LTA014EEBFS8
CF203
L72-1040-05
R310 R229 C 3 3 4
Q202 oUT IN
LTC044EEBFS8
0 1k 0.1u
IC511
TC7SH08FU-F 3.31V
R915
3.31V 1 INB
VCC 5
0
2 INA
D 5 0 3
3 GND
X502
oUTY 4
4 Q L77-3015-05 1SS416
VSS 3 0.01u
C530
5 VDD 3 o U TP UT
XT 2 GND 2
6 XTN
D
INHN 1 R594
4 VCC
VC 1
SM5023CNDH-G 1 k
IC508
@C-FRE
3.31V
C531
D 3.29V
0.1u
1k D
R577
MCDIAF
22
R569
A4
E12
NC B4
E11
32K A10
C623 E10
A12 XTALI C547 0.1u
L5
/RINT D 0.01u B11 CKo XTALo DVDIo6 C548 0.1u
32I P6
/HINT A11 USRCKI DSPCK DGND3 DVDIo5 C549 0.1u
P11
MCSCKAF H18 ADD0 DGND2 DVDIo4 C550 0.1u
DGND1 L14
J18 ADD1 C551 0.01u
DVDIo7 DVDIo3 H14
FSDET A[17] K18 ADD2 C552
DVDIo2 E13
L18 ADD3
DVDIo1
/SCREQ M18 ADD4 E7 C554 0.1u
DVDD10
N18 ADD5 M5 C555 0.1u
DVDD9
/DINT J17 ADD6 N5 C556 0.1u
DVDD8
/SYMTIM K17 ADD7 P9 C557 0.1u
DVDD7
/DWUP M17 ADD8 P10 C558 0.1u
DVDD6
N17 ADD9 N14 C559 0.01u
DVDD5
P17 ADD10 M14 C560
DVDD4
A[19] K16 ADD11 G14
BER_DATA DVDD3 1.48V
MCDICN L16 ADD12 F14
DVDD2
A[13] M16 ADD13 E9
DVDD1
P16 ADD14 E8
GPIo11
B5
J15 ADD15 GPIo10
C6
/HRDY A[11] K15 ADD16 GPIo9
B6
/BFSX2 A[16] M15 ADD17 GPIo8 R680
A6
/MCCSXCN A[8] N15 ADD18 GPIo7 BSHIFT
U8
P15 ADD19 GPIo6 R681
R8
D[5] J16 ADD20 GPIo5
R7
H15 ADD21 GPIo4 R622
T7
BER_CLK G17 DT0 GPIo3 R682
V10
H16 DT1 GPIo2 R683
U9
SCMIS0 G15 DT2 GPIo1
V9
F18 DT3 GPIo0
MCU(BGA) T9
MCDOCN F17 DT4 SIMRST R618
C11
/SCBFS G16 DT5 SIMCK R619
D12
/MCCSRCN D[8] E18 DT6 SIMDT R620
IC510 C12
SCBCK E17 DT7 R621
SYMTIM R5
A[0] F16 DT8
FSDET R6
D[0] D18 DT9
TXRVE
/RD D17 DT10 R2
TRAMP
B15 DT11 P3
TMoD
D16 DT12 P2
PSTPA
D[10] C15 DT13 M4 MODEL
PSTIF
D15 DT14 R1
PSTPLL
D[14] E15 DT15 N3
RXRVE
A15 WRITE N2
D[13] RXSLT
A16 READ P1
PSRRF
MCDOAF C624 0.01u B14 BHE L4
PSRIF NC
C625 0.01u C14 BLE M2
PSRPLL
A13 CS4 M3 R615
AMT D RSSIT
N1
D13 CS3 VFRM R616
D8
/HRDY C13 CS2 VoINT
D7
/WR B13 CS1 HPWR_DET MCo2
RXC C7
/CS0 A14 CS0 PCB_Ver MCCS2
D10
/CS3 B12 HRADY MCCK2
C8
/CS2 D14 HDS2 MCCR1
D9
TXD0 R18 TXD0 MCCX1
B7
RXD0 T18 RXD0 MCo1
C9
RTS0 R16 RTS0 MCI1
B8
CTS0 R15 CTS0 MCCK1
A7
TXD1 U15 TXD1 TXD2 MCI0 MCCS0
MCCK0 B10
RXD1 T15 RXD1 RXD2 MCo0
TXD3 AGCDAC B9
TXD2 V15
D11
RXD2 V14
A8
T14
R3
0.1u
RXD3 C541
I2CCK
I2CDT 10u 6.3 D
C542
R706
5 6 k
D R701
100k
C626 0.01u
C533 C627 0.01u C704 3p
0.1u C628 0.01u
C535 R 6 9 1 22 k
R687 4.7k
D D R688 4.7k 1 0 u R692 100k
32K 6 . 3
R610
R503 1k 1k
X 5 0 1
IC509
@C -F R E TC7WT125FUF BUS BUFFER
(BER CLK/BER DATA)
1 G 1 VC C
8
4.99V
2 A 1 G2
7
3 Y 2 AIO7 ASIC JTAG
Y1 6
4 GN D SCBSY
A2 5
D
AIO6
0 R 5 3 4 0 L518
0 C 6 3 0
0 . 1 u
D
IC507
TC7SH126FU-F 3.31V
D
C828
1 G D501
100p
V C C 5
2 INA 1SS388F
D502
C 6 2 0
3 GND
0 . 0 1 u oUTY 4 1SS388F
D
C527 0.01u
D
BUS BUFFER D
(BFSX2)
CN549
Option20pin
E F
Q5-6
VCO
R:3.21V
T:0V
L19 R58
220n (-92) 180
RX VCO C66
C59 L18 6p (B) C74 1.79V D101,205
20p 0.5p 1.19V T/R SW RF DRIVE AMP
(G) BUFFER AMP Q101
(B) BUFFER AMP (RF) R:2.14V R:0V
(VCO) 2SC5108F/Y/ 1.14V Q102
Q10 T:4.26V T:4.94V R106 2SC5455-A
0.74V C86 R158 R160 R69 D101 C104 C105 C109
2SC5636 C101 R103 220
C79 C82
R62 7p 0 0 0 1000p 5. 6 100p 0.87V 100p 6p
HVC131 0.52V
150k 7p 33p (B)
R:0V (B)
T:3.47V
L21
R153 0.15V
TX VCO
220n (-92) 150 4.80V
D14 Q9
C 69
TX MODULATION 2SC5636
5p (B)
C58 L17 C 76 7.60V
18p 0.5p
(G) (B) LB73H0AV-003
50C L36
50R 4.7k
R261
S D
Q7
SSM6L05FU-F Q8
4 3 G
SSM3J05FU-F
R56 5 2
R49
470k 80T
68k 6 1 80T
4.75V
$CN204
L213 L215
(-92) 27n (-92)
R82 R83 33 n
1.76V
0 0 C267 C272 C275 R273
R339 C344
Q208 18
4.98V Q4 7p 2p (B) 2 p (B)
47 100p 2SC5636
50C 2SC5383-T111 4.21V
1.20V
4.87V
R:0.02V
BUFFER AMP
T:3.31V
(LOCAL)
RIPPLE FILTER
1ST MIXER
C258
4.34V
470p
4.33V C248
R237
0.74V IC204 AK1224 0.01u
47k
$CN205
C240 R245
Q204 D207-210
XF202
0. 01 u 150k 0.01u L71-0649-05 9
L210 VDD2
C246 L233 R256 L234 C262 LoINN 4
Q205 oUT IN L212 10
2SC3356(R23) 220n 3 6 330n VDD3 VSS2 3
220 0.01u
(-14) (-14) 4 3 820n 11 IFoUTN C281 C286
0.74V VSS1 2 C279 R277 R279
Q204-205 12 IFoUTP
5 2 0 22 7p
1ST IF AMP L214 RFIN 1 18p 470p (B)
6 1
820n
BUFFER AMP
(RSSI/VAGC)
5
VSS 4
6
3
7
2
8 VD D
1
TC75W51FK(F)
IC203
14.33V
RIPPLE FILTER
150C
RAGC
VAGC
C365 C366
1000p 1000p
IF_DET
R753 C742 R766 C748
5 6k 0.1u 100k 0.1u C762 0.1u
C763 0.1u
D704-705
AF
DETECTOR Q704
C710
0.1u (LIMIT) 2SC4738(GR)F
0.01u C744
D704 R784
RB706F-40
IC708 3.28V
TC7W53FKF 150k
LPF/SUM AMP 3.28V
R:0V 1 CoMMoN
VCC 8 47k
T:1.63V R767
2 INH
1.63V C729 0.1u CH0 7
R768
MIC C707 IC706 3 VEE
R716 TC75W51FK(F) 1.63V CH1 6 47k
4 GND R787
0.1u 10 0
1 A 5 D 7 0 5 270k
R722 R725 VDD 8 RB706F-40
2 R779 2SA1832(GR)F
- + 7
68k 68k AF SW 1.62V 470k 1.62V
1.63V 3 (TXO/TXI)
+ - 6
1u 4 VSS R748 C764 R786
0
5 22p
1.63V 39k
3.28V
/SCSW
3.28V
1u IC702
VREF
TC75W51FK(F)
D 1.63V IC709
1.65V 5 1.63V
L511 VSS 4 SUM AMP
MOD R850 R705 R714 6 1.62V R773 680k
/H_L (AI/TONE/MI1 MI2)
3 /(MOD/DI)
SBC 0 100k 100k 7 R739 R745 C757 15p 1.63V
2 100k R774 470k
8 VDD 0
1 1.62V C815 10u R775 82k
1k
R731 C816 10u
1.63V C720 0.1u
1k 0
D /INAMT
MOD SMF
1k
1k
1k 33A_2
/OVRB
D
/INT25P
1k /IGN
1k C621 0.01u /PSW
R755
1k /BINT $CN706
DA2S101 10k
0 /SYMTIM D702
ASQ DET R729
FSDET
ASQDET 100k
TXC
D C722 47 p
DSW
ASQ
/PRST
$CN702
W_/V
100k
1.5k
R623 MM R 7 6 0
C740
MM2
/T_R 4700p
RXC D703
ASQ BPF C734
RB706F-40
15k
SCBSY 0.01u
ASQAPC R707 C716 Q702
0 /DWUP
220p 2SC4617(Q)
/DINT R727 VREF
0
C718 270k 1.62V
R922 0
Q701 220p
0.01u
C629 SSM3K15TE(F) VREF
/MCCSRCN
IC703
/MCCSXCN D
TC75W51FK(F)
MCDOCN 33A_2
MCDICN 1
VDD 8
MCSCKCN
2
- + 7
/MCCSAF R703 R712 R737 R744 C735
3
MCDOAF + - 6 47k 4 7 k
10k 68k 4 VSS 4.7u 1
MCDIAF
5
MCSCKAF APC SMF 2
-
/SCSW MOD_REF R923 1.62V 3
LPF(APC/DEO)
R617 PLD 47k
DEO Buff 4 VSS
1k
C717 0.1u TC75W51FK(F)
D D
IC701
TC75S51FE(F) 3.28V
RXAF SMF SUM AMP(AF)
450k 1 I N+ /VREF
C708 VDD 5
1200p 1.62V
2 VS S RXAF/RXEI SW
3.28V
RXAF C702 R704 R713 3 I N-
IC707
1u 56k oUT 4
6.3 5 6k R738
5 A IC710
1.62V GND 4 TC7W53FKF
R728 1k
6 CH1 0.01u R764
VEE 3 C745 120k R776 330k
0 1 CoMMoN
7 CH0
LPF(RXAF) INH 2 2 INH
8 VCC C749 C752 R777
0.1u 0.01u 150k
CoMMoN 1 3 VEE
R756 R758 C747 R771 C753 R778
TC7W53FKF 0.01u 100k 0.01u 390k 4 GND
15k 10k
AF SW
(AI TONE OPT9/VREF)
R785
R782 10k
15k
R769 Q703
SSM3K15TE(F)
4.7k
TONE SW
MOD_REF
C817
0.01u
R506
470k
Option26pin
DISPLAY UNIT(X54-368X-XX) CN901
G
IC102
X57-775 0-18
0-19 RA55H3340M131
2-71
2-72 RA55H4047MA-123
X57-791 0-10 RA55H3340M131
0-11
L117 TH1
D102
PM DRAIN
C121
BAIAS
2p PROTECTION ANT
R126
L104 D103-104,106
18n
39 ANTENNA SW D108-110
C118 R121 R127 C136
POWER DET
0 L407CDB C186 R92-1061-05
6p 39 470p D103 L113 R152
CM73F2H121J L112 L114
0
D104
R:0V L407CDB
7.92V T:1.59V
R:0V
T:0.78V
D108 D109
L102 D110
HSM88AS-E
HSM88AS-E HSM88AS-E
R117 DSW
10k FC-H:2.32V
FC-L:0.81V
Gate Bias
+B
RX
TH2
80T
R142
100k
IC101 IC103
TA75W01FUF TA75W01FUF
1 1
VCC 8 VCC 8
2 2
- + - +
7 7
3 R134 R136 3
+ - + -
6 330k 100k 6 R147
4 VEE 4 VEE
5 5
100k
C134 470p
C158 470p
AUTO POWER
AUTO POWER Q105 CONTROL
CONTROL LTC014EEBFS8
Q106
2SK1830F
R140
100k
Q105-106
SW(RF POWER H/L)
8.01V
VARI-CAP TUNE
D212-213
2.62V VARI-CAP TUNE
C291 C296 3.37V
R294 C301
LNA
10p (B) 7p 0 7p (B)
(B) C315 R313 R317 R354 C335 C319 C323 C324 C326 L228
(-92)
Q210 10p (B) 0 0 0 12p (G) 3p (B) 8p (B) 5p (B) 12p 12n
NESG240034
ANTENNA SW
FL:1.60V
FC:3.69V
FH:5.64V
R303
100k
FL:3.70V
Q209 IC207
FC:6.16V
2SC5383-T111 BD7542FVM FH:9.21V
1
VDD 8
2
- + 7
3
+ - 6
4 VSS
5
C302 0.1u
C289 1000p
AF POWER AMP
* IC715
DTI
TXI
TXO
Q704-705
R825 C801 C802
LIMIT 10k 1u 1u R828
0
13.54V
1.34V
33A_2 0V
DC SW
MM2 330u 16
R823
AF MUTE
4.7k C806
MUTE
/INAMT 6.38V
(MI2)
C794 Q709 Q710
Q705 MI2 LTC014EEBFS8 DTC363EU
Q707 10u 10
2SJ243-A 3.26V
C787 Q706
C773 C782
R796 10u 10 2SJ243-A C795 HOR
MI1
PA
0.1u 10k 0.1u 3.25V 10u 10
SPO
VREF MUTE R662 470k
(MI1) /INT25P R663 470k
ME
R:3.31V 50C D512
LINE
T:0V
C591 PROTECTION
0.01u (AUXIO9)
MM IC514
R797 C783 R806
TC7WBD125AFK 4.98V
330k 0.1u 5.6k
R789 1 oE1
VCC 8
I2CCK 2 A1
0 R798 C784
oE2 7
I2CDT 3 B2 19 SCL AO2 TX-RX UNIT (X57-8900-18) (B/2):D-SUB25
680k 0.1u P12
B1 6 12
4 GND 20 AO1
A2 5 SDA P11 11
AIO9
4.98V 21 VCC P10
IC517 10
22
INT PCA9535RGE GND
LEVEL SHIFT 9
(I2CCK/I2CDT) 23 A1 AIO8
50C I/O EXPANDER P07 8
AIO7
SDO0 24 A2 P06
D506 7
SCK0
/EVCS 33M REVERSE
CURRENT
PREVENTION
(OR G_RXD2)
R664 100k
1k R665 100k
RXD2 D506 R651 R666 100k
3.28V
D511 R667 100k
VREF 1SS416 LINE 1k R668 100k
D507 R842 R669 100k
C776 1u 6.3 PROTECTION
(RXD2)
1.62V 1SS416
C777 1000p G_RXD2
33A_2
1.62V REVERSE
CURRENT CN600
PREVENTION
(OR RXD2)
AIO6 AIO6
AUXIO6/BER CK 1
C598 1000p 30
AIO7 AIO7 2
C599 1000p 29 AUXIO7/BER DT
50C AIO1
Q708 AUXIO1 3
IC513 C600 1000p 28
2SA1832(GR)F C799 OPT10 TC7SET08FU-F 4.98V AIO2
AUXIO2 4
0.1u C601 1000p 27
1 INB 5
VCC 5 26 RXD2/DI
TXD2 AIO3
R836 2 INA 6
OPT10SEL C602 1000p 25 AUXIO3
R644
0 33k 0 3 GND TXD2/AUXIO9 7
C789 4.7u R818 R821 DEO oUTY 4 0 24
AIO4
AUXIO4 8
C790 10u DI C603 1000p 23
AIO8 9
D707 100 C604 1000p 22 AUXIO8
C813 10u D706 R822 50C AIO5
AUXIO5 10
D706 C605 1000p 21
AIO9 R654
LINE MC2850 AUXIO9/CTS 11
PROTECTION IC513 D508 0 20
AO1 12
(DI) EMZ6.8N EMZ6.8N 19 AUXO1
BUFFER AMP C606 1000p
(TXD2) 13
D707 18 TXD0
3.28V LINE AO2
3.28V PROTECTION D508 AUXO2 14
C607 1000p 17
R810 1k (DEO) LINE PROTECTION
1.62V OPT6 RXD0 15
VDD 8 16
16
15 GND
+ 7 AO SW ME
ME 17
+ - 14
6 IC713
MI2 18
5 5 A 13
DEO 19
GND 4 C608 100p 12 DEO
6 CH1
20
IC711 VEE 3 11 GND
7 CH0 50C
1.62V INH 2 50C 21
C797 AO C609 1000p 10
8 VCC
CoMMoN 1 DI/RTS 22
0.1u 9
R790 220k 23
TC7W53FKF C610 100p 8 AFO
SB F501
C788 SB 24
7
F53-0352-05
0.1u SB 25
R650 6
DI 26
5 SB
AFO BUFFER 0
50C 27
4 SB
VCC 8
SB 28
3
CH0 7 IC714
TC75S51FE(F) SB 29
CH1 6 4.98V 2
R792 LEVEL SHIFT 3.31V 30
1 IN+ (RXDO/CTSO) 1 NC/RSSI
A 5 33M
1k VDD 5
2 VSS
CN901
3 IN- IC516
oUT 4
0.1u 82k 1 G1
C775 R791 C785 R805 0
0.1u 560k VCC 8
47p R819 2 A1 RXD0
C792 0.1u G2 7 TXD0
C798 3 Y2
Y1 6
100k
R814 4 GND
A2 5
CTS0
TC7WH126FU-F
50MC
9 R2oUT
R2IN 8
10 T2IN
RXD0
T2oUT 7
11 T1IN C614 1u 25
26P_RD V- 6
12 R1oUT C615 1u 25
C2- 5
RXD3 CTS0
13 R1IN
C2+ 4
RTS0 14 T1oUT C616 1u 25
C1- 3
C590 0.01u 15 GND C613 1u 25
V+ 2
50MC 16 VCC
4 o U T Y C1+ 1
GND 3 IC515
ADM202EARNZ
D504 INA 2 1 G1 IC518
C825 VCC 8
5 V CC
INB 1 2 A1
100p 1SS416 G2 7
3 Y2
TC7SET08FU-F
IC512 Y1 6
4 GND
A2 5
TC7WT126FU-F
CN597
H I
NX-800H(K3)
APPENDIX
(SCHEMATIC DIAGRAM X57-8900-18)
1
2
3
CN705
1
SB
2
SPI
3 SPO
R831
4 PA
0
5
HOR
C810
6
GND
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
R907 470 27
C917 13
100p 25
R908 470
C918 100p 12
24
R909 470 11
C919 100p
R910 470 23
10
C920 100p 22
R911 470
C921 100p 9
21
8
R912 470 20
7
C909 100p
19 5
6
18
R913 470
C910 100p 5
17
4
16
3
L901 15
2
14
1
26
A A J901
A A A
L902 D905-906
OVER DC SUPPLY
PROTECTION
D909,913
REVERSE CURRENT
A
PREVENTION(SB)
A A A
R901 R914 D910,914
470 470 OVER DC SUPPLY
A
Q901 Q902 PROTECTION
QSX6 QSX6
Q901-902
A A
DC SW
(AUXO1,AUXO2)
6