Kenwood NX-800 Service Manual page 159

TX-RX UNIT (X57-7752-71) (A/2)
T : 13.09V R : 13.57V R : 3.21V BUFFER AMP
L401 L19 T : 0V R58 (RF) Q10 R : 2.14V T : 4.26V SW T/R
CN401 L402 +B FREQUENCY CONTROL D3,7,9,10 RX VCO 220n C66 180 0.74V 1.79V 2SC5636 C86 R158 R160 R69 D101
L403 R : 13.57V LT1616ES6-PBF IC405 R40 L6 C50 R84 D7 C59 L18 VCO 6p C74 150k R62 C79 7p TX TX C82 33p 7p 0 0 0 HVC131
L404 T : 13.07V 5 4 SHDN FB 3 2 5.01V 0 10u 150p 0 1SV282-F 20p 28n 2SK508NV(K52) Q5 0.5p 1.19V 4.80V
CN402 6 SW VIN BooST GND 1 D409 50M 4.95V 2SC5636 Q9 3.94V
SURGE ABSORPTION REVERSE PROTECTION 1SS388F 50C R43 10 BUFFER AMP
L405 22uH C39 R : 0V (VCO) T/R
IC405,D407,409 DC/DC C34 L4 3p C49 L40 L21 T : 3.47V R153 SW
Converter (50M) 47p 12n 15p 0.92V 1.44V FREQUENCY D4,8,11,12 220n 150 R : 2.81V
REGULATOR (33M) VOLTAGE 2SC5636 Q3 L7 D8 CONTROL TX VCO L17 VCO 5p C69 50C L36 T : 0V
BUFFER AMP (PLL FIN) 0 R41 10u C51 150p 0 R85 1SV282-F C58 18p 22n Q6 C76 0.5p
4.99V 3.32V 5.01V XC6204B332M IC408 3.29V SSM6L05FU-F Q416 3.29V 33A 2SK508NV(K52)
VIN 1 VSS 2 VOUT 5 1.88V 50MC 33A_2 50R R261 4.7k
CE 3 NC 4 2SA1955A-F Q412 5.00V 3.89V 1.49V
REGULATOR (33A) VOLTAGE 0V D408 (50MC) DC SW 15M SSM3505FU-F Q8
DC SW (33A_2) 1SS301F 0V R352 L41 TX
0 MODULATION SSM6L05FU-F Q7 T/R SW (VCO)
REVERSE CURRENT SSM3K15TE(F) Q410 BYPASS C54 C55 R49 R56
(OR 33M/SBC 2) PREVENTION DC SW (50MC) DIODE 0.1u 1u 68k 470k 4.75V
XC6108C23CMN IC401 1.57V VOLTAGE D2 DA221 TC75W51FK(F) IC5 1.65V
4 VSEN VIN 3 REGULATOR (15M) 33M FC-R : 7.08V CV CV 47k R27 1 VDD 8 7 R82 0 R83 0
R : 3.62V 5 VSS 2 1 Q405 3.31V SCTAM1 FILTER RIPPLE FC-T : 6.61V LMC7101BIM5 IC4 R36 10M 2 1.65V 4.98V 2SC5383-T111 Q4 4.21V R : 0.02V T : 3.31V L213 22n
T : 3.50V CD VoUT DC SW 2SA1955A-F 2SA1955A-F Q411 3.31V REVERSE 33BU 14.34V R80 2SC5383-T111 Q1 R81 13.72V OUTPUT 1 V- 5 0 R25 R29 0 R35 390 R37 10k R : 3.07V R34 1k 4 3 6 5 1.76V C267 C272
DETECTOR (BINT) VOLTAGE (SCTAM1) (33BU) DC SW DC SW CURRENT PREVENTION 0 0 3 2 V+ 4 R76 T : 3.05V VSS FILTER RIPPLE R339 47 100p C344 2SC5636 Q208 7p 2p
/BINT Q406 UPA672T-A (33BU) R422 2.97V (33BU) 14.30V INPUT+ INPUT- 470k VCO MODULATION/ BUFFER AMP (CV) 4.87V 1.20V
0V 0V 10k 1SS388F D410 REVERSE CURRENT (VCO TUNE) BUFFER AMP BUFFER AMP
(BACK UP BATTERY) PREVENTION (LOCAL)
BATT CHK VCO TUNE
VOLTAGE /BINT /RST
C415 470p REGULATOR (80C) SB 2 2
R : 13.55V T : 13.02V NJM78M08FA-ZB IC403 R : 8.03V T : 7.97V
1 IN oUT 3 80C L35 4.86V C215
2SJ645 Q404 GND 2 Q407 T : 7.96V R : 0V 1 R346 R204 L202 100p
DC SW (SB) 12A02CH 80T 33C L33 22k 47 560n R207 R332 C211 L204 C220 C222 C223
REVERSE 4.7k R423 DC SW (80T) TEMP 3.29V R213 0.01u C208 330k 0 10p 47n 47p 0.01u 0.01u
PROTECTION SUPPLY OVER DC PREVENTION CURRENT 0V REVERSE D406 T : 0V R : 8.01V TXC SENSOR IC1 C16 0.01u 1k 0.66V 2SC5636 Q203 4.35V
Q401 D403 (K2) CURRENT PREVENTION Q408 Q413 R918 4 LM73CIMKX-0 3 3.31V C17 0.01u PLL IC IF IC 4.34V
-T111 RT1N141U 1SS416 1.88V Q402 T : 1.66V R : 1.73V (BLVL) 12A02CH RT1N141U-T111 80R 100 5 SMBCLK ALERT GND VDD 2 3.17V SKY72300-362 IC3 2nd LOCAL IC202
0V RT1N141U-T111 DC SW R424 4.7k DC SW (80R) T : 0V R : 8.01V R919 100 6 SMBDAT ADDR 1 BUFFER AMP (X3) C210 1 OSC<B> TK10931VTL-G RFin 24 R345 C234 R237 XF202
SW (OVER DC (SB) REGULATOR (50C) VOLTAGE R : 0V C482 3.21V L31 3.31V 14 13 LD/PS2 CPout1 6 4.97V 0.1u OSC<E> 2 GND 23 0 0.01u 100k 0.74V R250 R320 R256 oUT 58.05MHz IN R257 R321
PROTECTION) SUPPLY R408 IC404 TA7805FQ 4.99V T : 8.01V Q414 1000p 19.2MHz X1 BUFFER AMP (19.2MHz) C92 15 CPout2 VCCcp 2 VCCcp1 4 5 W : 2.89V R210 10 4 3 MIXo COMPo 21 22 R227 100k C232 0.1u RX RX 0.01u C240 100k R245 0 0 180 3 6 0 0
10k 1 GND IN oUT 2 R : 4.96V RT1N141U-T111 50C VC VCC 2SK1215-E(E) Q11 0.01u 4.7u L1 R6 4.7k R10 0 16 17 /FVco LD/PS1 /Fin 3 2 N : 0.29V C225 R338 0 VCC 5 4.92V COMPi NAMPo 20 R223 2SC3356(R23) Q204 2SC3356(R23) Q205 0.01u C246
DC SW 3 Q409 12A02CH T : 0V C88 FVco VCCcp2 18 VCC Fin 1 4.97V 0.1u C217 0.1u 6 AMIFdecp AMIFi NAMPi 19 270k C341 R334 IF AMP 1st 1st 0.74V
Q403 (IGN) R425 DC SW (50R) C483 50R GND oUTPUT 0.01u 0V 0.64V CF201 WIDE W : 0.99V R216 0 C228 0.1u 7 FMIFi AGC 18 1u 0 R230 1k IF AMP
CN403 1 R401 RT1N140U-T111 R : 0V 4.7k 1000p W : 0.99V C330 R343 IN L72-1017-05 oUT C331 N : 1.09V C219 4.7u C218 4.7u FMIFdecp1 9 8 AGCAMPo 17 16 R234
1M 2 T : 4.96V Q415 RT1N141U-T111 RXC N : 1.09V D201 0.1u 0 0.1u (W/N) CF SW CD201 C227 82p LIMo 10 FMIFdecp2 RFAGCo RSSIo 15 10k
1 1.65V R3 L32 C19 100p 3.26V DAN235E DAN235E D202 QUADi 11 AMSW 14 50R 10 R209
L406 14.34V R450 IC406 TK71733S 3.30V 330k 3.31V C20 100p Narrow L79-1850-05 R219 10k FMDETo 12 AMDETo 13 22k R228 4.95V
68u 0 VIN 1 VoUT 5 33C LMC7101BIM5 IC2 C21 100p SW (W/N) CF SW (W/N) L72-1021-05 CF202 R215 3.3k
DC SW 2 3 GND 4 TCXO MOD 1 OUTPUT V- 5 RT1P141U Q201 C332 0.1u R344 0 IN oUT 0.1u C333 Q212 EMD9
oN/oFF NP/VREF 33C V+ 2 1.65V R5 C11 R12 -T111
IC410 VOLTAGE REGULATOR (33C) 3 INPUT+ INPUT- 4 220k 10u 4.7k SW 1.39V CF203
1 XC9101D09AKR 8 IC407 (TCXO MODULATION) BUFFER AMP R13 47k Q202 (W/N) N : 3.29V W : 0V 1.39V C230 0.1u oUT 450kHz
7.84V R436 2 LSEN EXT VoUT/FB VSS 7 XC6204B332M 1 5 3.28V -T111 RT1N441U SW (W/N) BUFFER AMP
R435 10 0 3 VIN 4 CC/GAIN 6 5 470p C462 2 3 VIN VSS VOUT 4 33GPS (2nd IF DET)
CE/SS CLK CE NC W : 3.27V
CONVERTER DC/DC REGULATOR (33GPS) VOLTAGE N : 0.02V
(150C) 2 2 2 2 2 2 2
150C 1 1 1 1 1 1 1 1
HD2 HD2 HD2
RA55H4047A123 IC102 ANTENNA X2_CLKIN X2_CLKIN X2_CLKIN
T : 4.94V R : 0V RF PRE-DRIVE AMP SWITCH
C101 R103 C104 R106 C105 C109 L407CDB D103 C186 L112 L113 L114 ANT
1000p 5.6 100p 220 100p Q101 6p RF DRIVE AMP 39 R126 D104 120p 1.5T 1.5T 1.5T R152 5 4 3 5 4 3 5 4 3 5 4 3 5 4 3 4 5 3
2SC5108(Y)F 0.87V 1.14V 2SC5455-A Q102 C118 6p TX TX R116 R121 R127 C136 L407CDB 0
0.15V 7.60V 0.52V 0 0 39 470p R : 0V T : 1.59V 4
FC-L : 3.40V FC-H : 3.63V 1.48V 3.31V 3 /BER_EN 4 A16 4
POWER DET POWER DET 5 3 3.31V D
FC-H : 12.37V POWER A0
7.92V FC-L : 12.83V R : 0V DET 15M_1 33M_1 5 3 1u C515
T : 0.78V 4 3 R532 100 MCDIAF 4 G4 D6 L522
PROTECTION PM DRAIN BIAS FC-H : 2.32V R533 0 /MCCSAF G1 oE A15 D6 A15 A16 A15 G5 A15 A16 VSS1 VCC1 D1
+B FC-L : 0.81V 3.31V D9 D11 DQ11 G3 DQ9 G2 A11 A19 D4 D5 A11 A19 A9 H1 G6 A9 DQ3 IC503 DQ1 A5 C4 C6 D1
SWITCH ANTENNA 6 L501 G4 VCC G5 A20 D3 D2 A20 A10 H2 H3 A10 SRAM NC1 C3 C1
A13 D15 D13 DQ15 G6 DQ13 H1 FLASH ROM IC501 A5 A1 C6 D1 A5 A1 A11 A12 H5 H4 A12 A11 DQ5 DQ0 B6 B5 D0 D5
80T R142 4 A12 A19 A20 DVSS7 N12 M12 R536 0 D1 VSS1 H2 DQ1 A14 A10 C5 A10 A14 A13 A14 H6 A14 A13 A4 A7 B4
R132 100k C503 A11 B11 CVSS9 CVSS8 BCLKX1 L11 MCSCKAF D3 DQ3 H3 H4 A21 C3 C4 4
AUTO 100k AUTO 0.1u D6 C10 D10 DVDD5 D6 HD1 M11 N11 R537 0 C518 1u FSDET D6 D4 H6 DQ6 H5 DQ4 A18 A6 C2 C1 A6 A18
POEWR CONTROL IC101 POEWR CONTROL IC103 TH2 D8 D7 B10 D8 D7 CVDD5 INT3 L10 INT3 D VSS2 A2 A2
80T 1 TA75W01FUF 8 TA75W01FUF 1 8 D9 A10 D9 D9 INT2 M10 N10 3
VCC 7 VCC 7 D10 D11 B9 C9 D10 D11 INT0 INT1 K9 L9 /DINT /SYMTIM /WR 3 D4
2 3 6 330k R134 100k R136 3 2 6 D12 A9 D12 HD4 NMI HBIL M9 /DWUP
22n L214 4 VEE 5 4 VEE 5 100k R147 3 D13 D14 C8 D8 D14 D13 BDX2 IACK K8 N9 R558 100k BDX2
C275 R273 C280 (RF PWER H/L) SW C158 5 100k R501 D15 B8 D15 BDX0 L8 R538 100 MCDICN R504 3 D
2p 18 470p 470p C134 RT1N141U-T111 Q105 470p C504 B7 A8 HD5 HD0 M8 N8 R539 0 100k
(RF PWER H/L) SW 2SK1830F Q106 0.1u A7 CVSS10 CVDD6 IC502 DVSS6 K7 C516 0.1u 33M 5
R117 R140 /RD C7 D7 HDS1 DSP DVDD4 L7 R540 100
10k 100k /HDS2 A6 HDS2 DVSS8 BFSX2 HRDY N7 /BFSX2 IC504 RTC
0.1u C506 A0 C6 B6 DVDD6 BFSX0 M7 N6 C517 0.1u R541 100 /MCCSXCN R545 RV5C386A 3.31V L523
A1 A5 D6 A1 A0 CVDD4 HINT M6 R696 6 DELAY IC505 3.31V RESET (MCU) IC506 0 2 32KOUT SCL 1 OSCIN VDD 9 10 33BU
2 2 2 A3 A2 B5 A2 A3 BCLKX2 CVSS7 L6 K6 100k BCLKX2 1 INB TC7SH08FU-F 5 3.31V XC6109C29ANN 4 3 SDA OSCOUT 7 8
A4 C5 D5 A4 HD6 BCLKX0 M5 N5 2 INA VCC 1 VIN VoUT 4 VSS 5 INTRB INTRA CLKC 6
C270 470p ANTENNA SWITCH A5 A4 B4 A5 HCNTL1 BDR2 L5 R544 BDR2 3 GND oUTY 4 2 VSS CD 3 C521 8
A6 A7 C4 A3 A6 A7 BDR0 K5 N4 100k MCDOCN C522 D 0.01u
A8 A9 B3 A9 A8 BFSR2 BFSR0 L4 M4 /MCCSRCN BFSR2 D 0.01u 8
R268 L211 0.1u C505 C3 A2 CVDD7 BCLKR2 BCLKR0 K4 BCLKR2 D TC7WT125FUF IC509 4.99V
47 8.01V B2 DVSS9 A21 DVSS5 M3 N3 R542 100k 2 A1 1 G1 VCC 7 8 50C
4.33V SPM5001 IC204 D207-210 VARI-CAP TUNE D BCLKR1 HCNTL0 N2 R543 3 Y2 G2 6 AIO7
L39-1498-05 L210 1 G1 G2 6 R298 L39-1498-05 L215 C279 R277 R279 C281 C286 C291 C296 CVSS6 N1 0 33M D 4 GND 5 A2 Y1
2 3 D1 S1 5 4 0 470p RX RX 0 12 470p 7p 10p 7p R294 0 C301 6p Q210 LNA 3.37V C310 C335 C319 SCTAM1 BUFFER AMP
R263 C262 D2 S2 R300 0 2.62V 2SC3357-A C315 R313 R317 33p 12p 3p 3 100k R685 (BER CLK/BER DATA) AIO6
0 0.01u MIXER 1st 0.93V 10p 0 0
MCDOAF /MCCSAF 9
2 3 33M_1 MCSCKCN 6 6 6 6
15M_1 R560
FL : 1.60V 0 BCLKR0 BCLKX0 BCLKX0 BCLKR0
FC : 3.69V FH : 5.64V
R303 D212,213 5 1 1 2 1 1 2
33A_2 IC205 LMC7101BIM5 IC206 100k FL : 3.70V FC : 6.16V VARI-CAP TUNE SCBSY
OUTPUT 1 LMC7101BIM5 5 14.33V 1 OUTPUT 5 FH : 9.21V 7 5 7 7 7 7
IC203 150C R282 14.33V 2 V- 2 V+ V- BUFFER AMP
R238 5 TC75W51FK(F) 4 0 3 V+ 4 3 INPUT+ INPUT- 4 (OP : 20PIN BER CLK/BER DATA)
10k 6 VSS 3 INPUT+ BUFFER AMP INPUT- BUFFER AMP TC7SH126FU-F IC507 3.31V
IN R229 C334 2 (BPF TUNE) (BPF TUNE) 1 2 2 INA 1 G VCC 5 SCRXD SCTXD 9
2.2k 0.1u 8 7 VDD 1 3 GND 4
C365 3.29V C366 C527 oUTY
1000p (RSSI/VAGC) BUFFER AMP 1000p D 0.01u
2 2 2 2 2 2 2 2 2 D
1 1 1 1 1 1 CN549
HD2 HD2 HD2 HD2 HD2
X2_CLKIN R572 22 X2_CLKIN X2_CLKIN X2_CLKIN X2_CLKIN 2 2
ASQDET ASQDET
3.29V R603 33A
5 3 4 100k R720 1k R577 0
3.28V BUFFER AMP (2nd IF DET) 2nd IF BUFF
4 3 R569 22 A4 DGND2 DGND3 E12 E11 2 2 2
5 B4 XTALI XTALo DGND1 L5 E10 C547 0.1u 33M_4 33M_4 R915 0 R : 0V 1.63V
32K C623 0.01u A10 A12 32I DVDIo7 DVDIo6 P6 C548 0.1u T : 1.63V MIC AA
/RINT D A11 B11 CKo DSPCK DVDIo5 P11 L14 C549 0.1u C550 0.1u TC7SH08FU-F IC511 0.1u C707 0 R716
A0 /HINT H18 USRCKI ADD0 DVDIo3 DVDIo4 H14 C551 0.01u 3.31V 1 INB VCC 5 3.31V R725
8 A2 A1 K18 J18 ADD1 ADD2 DVDIo2 E13 E7 C552 1u 2 3 INA 4 D503 1.65V C710 C732 R722 68k 68k 1.63V
A3 M18 L18 ADD3 DVDD10 DVDIo1 M5 C554 0.1u 3.31V 2 SM5023CNDH-G IC508 X502 GND oUTY 1SS416 0.01u 1.31V 1.31V 0.01u
A4 A5 N18 ADD5 ADD4 DVDD9 N5 P9 C556 0.1u C555 0.1u Q 4 VSS 3 0.01u C530 18.432MHz AND (PCS RF/HD2) REVERSW CURRENT
A7 A6 J17 K17 ADD6 ADD7 DVDD8 DVDD7 P10 C557 0.1u XTN VDD 5 6 XT INHN 1 2 3 oUTPUT GND 2 R594 D (PCS RF) PREVENTION MIC
A8 M17 N17 ADD8 DVDD6 N14 M14 C558 0.1u C559 0.01u 4 VCC VC 1 1k
A10 A9 P17 K16 ADD9 ADD10 DVDD5 DVDD4 G14 C560 1u BUFFER AMP (18.432MHz) C531 TC75W51FK(F) IC702
A11 A12 L16 ADD12 ADD11 DVDD3 E9 F14 1.48V D ASQDET D 0.1u D 1.65V R714 1.63V 5 VSS 4
A14 A13 P16 M16 ADD13 ADD14 DVDD1 DVDD2 E8 B5 L511 15M BSHIFT BSHIFT MOD R850 0 100k R705 100k 1.63V 6 2 3
A15 J15 K15 ADD15 GPIo11 GPIo10 C6 /H_L 7
A17 A16 M15 ADD17 ADD16 GPIo9 B6 A6 R680 1k 1 1 1 1 1 3.28V VDD 8 1
A19 A18 N15 P15 ADD19 ADD18 GPIo7 GPIo8 U8 R681 1k SBC 50C LPF (MOD)
4 A20 J16 H15 ADD20 GPIo5 GPIo6 R8 R7 D /INAMT 0.1u C720
5 D0 H16 G17 ADD21 DT0 GPIo4 T7 V10 R622 1k R682 1k 33M 80C L518 33GPS MOD SMF
D1 D2 G15 DT1 DT2 MCU IC510 GPIo2 GPIo3 U9 R683 1k /SCSW
D3 D4 F18 F17 DT3 GPIo1 T9 V9 D /OVRB 13
D5 E18 G16 DT4 DT5 GPIo0 SIMRST C11 R618 1k /INT25P /IGN LINE
D6 D7 E17 DT6 DT7 SIMCK D12 R619 1k /PSW PROTECTION D501 D704,705
D9 D8 F16 D18 DT8 DT9 SIMDT C12 R5 R620 1k R621 0 C621 /BINT 2 1SS388F C828 D AF DETECTOR (LIMIT) LIMIT Q704,705
D10 B15 D17 DT10 FSDET SYMTIM R6 /SYMTIM FSDET 0.01u D 9 1 D502 100p D704 2SC4738(GR)F Q704
8 D12 D11 D16 C15 DT11 DT12 TRAMP TXRVE P3 R2 TXC DSW 1SS388F RB706F-40 R784 150k
D13 D14 D15 DT13 DT14 TMoD M4 P2 /PRST 13
D15 A15 E15 DT15 PSTIF PSTPA R1 R623 100k W_/V D705
8 /RD /WR A16 WRITE READ RXRVE PSTPLL N3 N2 MM2 MM RB706F-40
C625 0.01u C624 0.01u B14 C14 BHE RXSLT P1 L4 /T_R R787 270k
D A13 CS4 BLE PSRIF PSRRF M2 6 RXC 2SA1832(GR)F Q705
/CS3 C13 D13 CS3 PSRPLL RSSIT M3 N1 450K 450K 450K 450K 1.62V 470k R779 1.62V
8 /CS2 B13 CS1 CS2 VFRM D8 D7 R616 0 R615 0 /DWUP D PLD PLD PLD PLD 1 MIC SUM1 C764 R786 C773
/HRDY /CS0 A14 B12 HRADY CS0 VoINT MCo2 C7 C928 /DINT 13 13 13 22p 39k 0.1u
/HDS2 D14 HDS2 D10 0.01u C629 0.01u 33A-2 3.28V
TXD0 R18 T18 TXD0 MCCS2 MCCK2 C8 D9 D R617 1k PLD
RXD0 RTS0 R16 RTS0 RXD0 MCCX1 MCCR1 B7 /MCCSRCN /MCCSXCN 9 9 9 9 (AI/TONE/MI1/MI2) /(MOD/DI) SUM AMP
TXD1 CTS0 U15 R15 CTS0 TXD1 MCo1 MCI1 B8 C9 MCDICN MCDOCN D TC75W51FK(F) IC709
RXD1 T15 V15 RXD1 MCCK1 B10 A7 MCSCKCN MOD SUM R797
6 RXD2 TXD2 V14 RXD2 TXD2 MCCS0 MCo0 B9 /MCCSAF MCDOAF R789 330k
T14 TXD3 MCCK0 MCI0 D11 A8 MCSCKAF MCDIAF 9 1.63V R773 680k 1.63V 0
5 9 AGCDAC R3 /SCSW C757 15p R774 470k
C541 0.1u C815 10u
2 1 I2CCK RXD3 C627 C542 D D 9 C816 10u
SCBSY I2CDT 0.01u C626 C704 3p + 10u6.3 CN595 9 13
0.01u D R701 R706 11
6 I2CCK D D 9 9 R691 100k 100k 68k 9 33A-2 9 9
I2CDT R687 4.7k R692 100k CONTROL (E23-1278-05) VCO (E23-1278-05) RX-IF GND DIGITAL GND
33A_2 R688 4.7k R610 CN506 CN509 CN611 CN512 CN516 CN527 CN540 CN543 R562 0 R916 R534 0
9 1 1 1 1 1k 1 1 0 R917 C630
8 9 6 CN612 CN614 RX-IF (E23-1278-05) RX-FRONT (E23-1278-05) R548 0 R565 0 D R574 0 D 0.1u 1
2 2 2 2 2 2 CN503 CN505 CN507 CN510 CN502 CN504 CN508 R550 0 0 C620
5 5 5 5 /DRST D D 0.01u
6 6 6 6 6 TX-MODULE (E23-1278-05) TX-DRIVE (E23-1278-05) AVR (E23-1278-05) 9
32K SCBSY SCBSY CN511 CN513 CN517 CN520 CN542 13
9
2 2 2
SB
R825 C801 C802 R828
OPT10 OPT10 OPT10 OPT10 /INAMT /INAMT 10k 1u 1u
11 11 11 11 11 11 0V
3.28V SQ VOLTAGE CONTROL R662 470k
0.1u C729 D702 R755 SDO0 R663 470k 4.7k R823 DTC363EU Q710
TC75W51FK(F) IC706 HSC119 10k /EVCS SCK0 50C /INT25P Q709 AF MUTE
1 VDD 7 8 1.63V 2 2 2 2 2 0.01u C591 LINE RT1N141U-T111 DC
IC514 (AIO9) PROTECTION SW
3 2 6 R748 R753 C742 R766 C748 DTI R729 1 1 TC7WBD125AFK 8 4.98V
4 VSS 5 1.63V 0 56k 0.1u 100k 0.1u 100k I2CCK 2 3 oE1 A1 VCC oE2 6 7 19 12
LPF/SUM AMP MIC SUM2 ASQ DET 3.28V 47p C722 C776 1u I2CDT 4 B2 GND B1 5 A2 20 SDA SCL IC517 P12 P11 11 AO2 AO1
NOISE C777 1.62V 4.98V 22 21 INT VCC I/O PCA9535RGE GND P10 9 10 AIO9
DETECTOR (SQ) D703 1000p LEVEL SHIFT 24 23 A1 EXPANDER P07 8 7 AIO8
0.1 C744 BRF/BUFFER TC75W51FK(F) IC705 C740 RB706F-40 R760 1.5k 9 (I2CCK/I2CDT) A2 P06 AIO7
1.62V IC708 AMP (SQ) 4700p
R739 1 TC7W53FK(F) 8 3.28V C734 DAC 3.28V 1.62V 50C R664 100k
1.62V 0 INH CoMMoN 2 VCC CH0 7 47k R767 C762 0.1u TXI R707 ASQ BPF 0.01u Q702 2SA1832(GR)F Q708 C799 33M CURRENT REVERSE PROTECTION LINE R665 100k
0 R731 VEE 4 3 CH1 6 R768 47k C763 0.1u TXO 15k 220p C716 R727 2SC4617(Q) NOISE OPT10 0.1u (OR G RXD2) PREVENTION (RXD2) R651 R666 100k R667 100k 12
GND 5 A C718 270k AMP SW R818 RXD2 1SS416 D506 1k R668 100k
(TXO/TXI) AF SW 13 220p 0 R836 33k OPT10SEL D507 CURRENT REVERSE R842 1k R669 100k
SCSW(MIC) SSM3K15TE(F) Q701 C789 4.7u R821 0 G_RXD2 1SS416 (OR RXD2) PREVENTION
C790 10u R822 12
33A_2 SW (W/N) 1.62V C813 10u D706 EMZ6.8N EMZ6.8N D707 100 AIO6,AIO7 9 9
VREF VREF VREF VREF PROTECTION LINE (DI) PROTECTION LINE (DEO) 50C TC7SET08FU-F IC513
IC703 33A_2 1 INB VCC 5 4.98V
TC75W51FK(F) 1 3.28V 8 VIN8 VIN8 TXD2 2 3 INA 4 R644
11 VDD 7 33A-2 9 GND oUTY 0
R703 R712 2 3 6 R737 47k R744 47k C735 4.7u VREF IC711 3.28V BUFFERAMP (TXD2)
10k 68k VSS 4 5 TC75W51FK(F) 1 8 1.62V RX SUM R810 OPT6
(APC/DEO) LPF VDD 7 VGS REC SEL 1k LINE PROTECTION D508 DA204U
APC SMF VREF 47k R923 1.62V 2 IC713 25P_TXD2
DEO BUFF 4 3 VSS 6 5 1.62V A 5 TC7W53FK(F) GND 4
MUTE (MI2) C794 10u C717 SUM AMP CH1 7 6 VEE 2 3 13
MUTE (MI1) 2SJ243-A Q707 3.26V RXAF SMF 0.1u (AF) / VREF CH0 8 VCC CoMMoN INH 1 C797 AO DEO DEO
R796 C782 C787 2SJ243-A Q706 C795 TC75S51FE(F) IC701 3.28V 3.28V AO SW 0.1u DI DI R650
10k 0.1u 10u 3.25V 10u C708 IN+ 1 VDD 5 R790 C788 33M 0
1.64V C702 R704 1200p R713 3 2 VSS 4 1.62V SCSW(RXAF) 220k 0.1u 1 TC7WH126FU-F IC516
R : 3.31V T : 0V 1u 56k 56k 1.62V IN- oUT IC707 1 G1 8
R798 C784 LPF (RXAF) R738 1k 5 TC7W53FK(F) 4 10 10 2 3 A1 Y2 VCC 7 G2 6 3.31V
680k 0.1u 1 R728 6 A CH1 GND VEE 3 IC710 3.28V RXD3 4 GND Y1 5
C783 R806 2 0 7 8 VCC CH0 CoMMoN INH 2 1 0.01u C745 120k R764 330k R776 CoMMoN 1 TC7W53FK(F) VCC 8 50C LEVEL SHIFT A2 ADM202EARNZ IC518
0.1u 5.6k 3.28V C749 0.1u 0.01u C752 150k R777 2 INH 3 CH0 6 7 AFO BUFFER IC714 50MC CTS0 (RXDO/CTSO) R2oUT 9 R2IN 8 C614 1u
RXAF/RXEI SW R756 15k 10k R758 C747 0.01u 100k R771 C753 0.01u R778 390k VEE 4 GND CH1 A 5 R792 TC75S51FE(F) 4.98V RXD0 REVERSE 10 11 T1IN T2IN T2oUT V- 6 7 C615
10 AF SW 1k 1 2 IN+ VDD 5 CURRENT PREVENTION 13 12 R1oUT C2- 4 5 1u
(AI TONE OPT9/VREF) C785 R805 3 VSS 4 26P_RD R1IN 14 T1oUT 15 C1- C2+ 2 3
SIDE TONE MUTE 0.1u 82k IN- oUT VCC 16 GND V+ C1+ 1 C616 1u
0V R782 15k R785 10k 0.1u C775 R791 560k SHIFT (TXD) LEVEL C792 47p C798 0.1u R819 0 50M IC515 5.01V 5.01V RS-232C C613 1u
6 10 11 10 10 10 100k R814 9 TC7WT126FU-F G1 1 8 DRIVER
R769 4.7k SSM3K15TE(F) Q703 RTS0 A1 2 VCC 7
13 TONE SW 9 4 3 Y2 G2 Y1 5 6
PLD PLD GND A2
(TXDO/RTSO) LEVEL SHIFT
1 1 1 1 1 1 1 1 TXD0 R636
AFO AFO 26P_TD 0
9 9 9 9 9 9 9 9 9 9
13 MI2 13 MI2 13 13 13 MI2 MI2 13 13 13 MI2 MI2 13
ME MI1 MI1 ME ME MI1 ME MI1 MI1 ME MI1 ME
SB SB LCD
LA4425A IC715
AF POWER AMP
0 13.54V DISPLAY UNIT (X54-3680-10)
1.34V
6.38V 80C 8.00V 12A02CH Q910 7.97V LCD KEY
TX/RX LED 7.27V LCD
(TX) TX/RX LED (BUSY) LIGHT SW BACK
R :0V T : 5.00V RT1N141U -T111 Q905 RT1N141U -T111 Q906 R : 5.00V T : 0V D915-926 D927-936 CN905
CN705 1 SB R924 Q908 RT1N141U-T111 LCD BACK LIGHT BACK LIGHT KEY
R831 3 2 SPO SPI 1k
HOR PA PA HOR 0 5 4 HOR PA R :0V R :1.98V
6 GND 1k R925 T : 1.86V T : 0V 4.99V 5C 0.76V
C810 470p TX-RX UNIT (X57-7752-71) (B/2): D-SUB25 "PF4" VOL UP TX/RX Q909,911 Q913
D901 D903 D907 D911 R922 LED BLC1 0V RT1N141U-T111 Q909 (LCD BACK LIGHT) DIMMER SW UPA672T-A 0 R976
J701 LINE PROTECTION LINE PROTECTION LINE PROTECTION LINE PROTECTION CN902 2 CH UP "PF3" VOL DOWN 1k GREEN RED DIMM SSM3K15TE(F) Q911 33C
EXT.SP (BER CK) D902 D904 (AUXIO1) (AUXIO3) D908 D912 (AUXIO8) SP 1 R923 R919 16 5.00V 3.30V
(BER DT) PROTECTION LINE (AUXIO2) LINE PROTECTION LINE PROTECTION (AUXIO4) (AUXIO5) PROTECTION LINE CH DOWN "PF2" "PF1" 1k IC903 10k LCD RESET SW
8.00V 7.87V XC6209B502PR 5.02V XC6204B332M IC904 3.31V
10 R918 4 VIN CE 3 2 VOLTAGE REGULATOR L903 1 VIN VOUT 5 L908
30 CN597 CN901 1 D908,911,912 5 VSS 1 (5C) 2 VSS
A 28 29 SPO SPO SPO SPO 3 2 KEY MATRIX VoUT NC VOLTAGE 3 CE NC 4 BUS BUFFER
CN600 CN901 C580 27 SPO SPO SPO SPO 4 5.02V REGULATOR (33C) (A1-A2) 20
12 12 AIO6 30 AUXIO6/BER CK 1 100 R902 13 100p 25 26 SPO SPO 6 5 3.12V 15 15 15 16 15
9 9 AIO7 AIO6 C598 1000p 29 AUXIO7/BER DT 2 R903 100 C911 100p 12 SPO C581 24 SPO GND GND SPO 7 PSW POWER 33C 33C
AIO7 C599 1000p 28 AUXIO1 3 470 R904 C912 100p J901 80C 1000p 23 80C 80C 8 80C 80C
AIO1 C600 1000p 27 AUXIO2 4 470 R905 C913 100p 24 13 27 1000p C582 22 21 SB SB 10 9 5C 5C 5C 5C
AIO2 C601 1000p RXD2/DI C914 100p 23 25 13 25 SB R630 C583 20 NC SB NC SB 11 AF BUFFER AMP (AFO) TC7SH08FU-F IC908
RXD2/DI RXD2/DI 26 5 R906 C915 100p 10 24 12 12 24 /PSW 1k 1000p 19 /PSW /PSW 12 IC902 TC75S51FE(F) 5.02V 4 oUTY GND 3 2 15 15
AIO3 C602 1000p 25 AUXIO3 6 470 C916 100p 22 23 11 C584 17 18 GND GND GND GND 14 13 C919 1 IN+ VDD 5 5 VCC INA 1 INB 5C L905
TXD2/AUXIO9 TXD2/AUXIO9 24 TXD2/AUXIO9 7 470 R907 9 23 10 10 100p 16 MIC MIC 15 C918 0.1u 82k R913 R915 1000p 2 3 VSS 4 5.02V AND GATE
AIO4 23 AUXIO4 8 R908 470 C917 100p 21 22 9 22 9 9 C585 100p 15 16 47k IN- oUT (TXD1/RXD0) 0 R952
C603 1000p 22 AUXIO8 9 470 R909 C918 100p 21 21 8 C586 14 ME GND GND ME 17 AFOSW 16 16 AFOSW
AIO8 C604 1000p 21 AUXIO5 10 R910 470 C919 100p 8 20 8 7 20 AFO 0.01u 13 AFO AFO 18 0 R901 BLC2 BLC2 BUCNT2 BUCNT1
AIO5 C605 1000p AUXIO9/CTS R911 C920 100p 20 19 19 C587 1000p 12 11 RST2 (LCDCE) /PRST 19 20 /PRST /PRST
AIO9 R654 0 20 19 AUXO1 12 11 470 C921 100p 4 6 18 6 Q501 10 (LCDDI) (LCDCLK) GND GND 21 5C 5C 19 19 19
AO1 C606 1000p R912 5 17 5 DC SW UPA672T-A 8 9 (LCDDO) GND 22 23 RXD TXD TXD RXD LCDADJ LCDADJ 1 LCDADJ
TXD0 TXD0 AO2 17 18 AUXO2 TXD0 14 13 470 C909 100p 3 4 17 4 /PRST GND GND DM/KVL C967 R944 DIMM 3 2
RXD0 RXD0 C607 1000p 16 RXD0 15 OVER DC SUPPLY PROTECTION R913 470 3 16 3 16 OVER DC D907 PTT/TXD0 17 17 17 1000p 100k WP 5 /LCDRST 4
15 GND 16 C910 100p 2 15 2 15 R523 47k PROTECTION SUPPLY D910 DUAL BUS BUFFER (RXD0/RXD1) TC7WH126FU-F IC907 4.7k R996 R945 0 AFOSW 6
MI2 ME MI2 ME 13 14 ME MI2 17 18 L901 19 6 2 14 1 C588 1000p 6 7 SHIFT/MODEL SHIFT 24 25 REVERSE CURRENT PREVENTION(HK/RXD) 5 6 Y1 A2 GND 4 3 19 R946 0 7 BYTE CNVSS
DEO DEO C608 100p 12 11 GND DEO 19 20 26 C589 5 NC 50C 5C NC 26 C917 7 G2 Y2 2 8 BLC2 9 BLC1
A A A A 1000p 4 27 0.1u 5.02V 5C 5C 5.02V 8 VCC G1 A1 1 BUCNT2 C946 100p
C609 1000p 10 50C 21 A A L902 RXD1 D504 3 RXD TXD TXD RXD 28 TC7W66FK-F IC901 R948 10k R947 470k
AFO DI/RTS AFO DI/RTS 9 8 DI/RTS AFO 23 22 25 5 R633 1SS416 100p C825 2 1 GND GND 30 29 1 2 IN oUT1 VCC 8 7 ON HOOK : 0V /PRST /PRST R949 1k 10 11 RST2
F501 C610 100p 16 17 SCRXD 0 REVERSE CURRENT PREVENTION (DM) GND 3 CoNT2 oUT IN1 oUT_IN2 CoNT1 6 Q902 Q904 13 12 VSS Xout
2A 6 7 SB SB 24 25 (RXD) LINE 4 GND IN_oUT2 5 Q901 RT1N441U -T111 -T111 RT1N441U (TXD0) BUS BUFFER TC7SH126FU-F IC905 TXD1 C947 0.1u Xin
4 5 SB SB 27 26 CURRENT REVERSE REVERSE CURRENT 33M C910 C912 (SB) PROTECTION AFO/BLC SW SSM3K15TE(F) 4 oUTY GND 2 3 RXD0 RXD1 R950 47k 14 15 VCC1
2 3 SB SB 28 29 (SB) PREVENTION A PREVENTION (SB) 100p 100p AFO SW HK/RXD0 SW 5 VCC INA 1 TXD0 BUCNT1 18 18 18 R942 16 /NMI LDM
1 NC/RSSI 30 A A A 15 SCTXD TXD1 J901 8 DM/KVL C911 100p DM/KVL DM/KVL 1k R905 5.02V G 2.23V TH901 17 DM/KVL 0 R943 17 18 DM/KVL
PROTECTION SUPPLY OVER DC R901 Q901 QSX6 R914 Q902 QSX6 0.01u C590 7 HK/RXD 5.01V HK/RXD HK/RXD 100k -t° PTT/TXD0 1k 19 12KEY_1 /PTT
470 470 IC512 6 5 ME MIC 5.01V IC906 R929 R941 21 20 12KEY_2 12KEY_3
DC SW A DC SW A 9 TC7SET08FU-F 3 E 4 PTT/TXD PTT/TXDO PTT/TXDO R906 330 4.86V LM2682MMX DC/DC CONVERTER (N100C) 470k IC909 LMC7101BIM5 120k 23 22 12KEY_4
(AUXO1) SUPPLY OVER DC (AUXO1) OVER DC SUPPLY 4 oUTY GND 2 3 1 BLC/AFO 2 SB 13.52V 5.01V R902 100 R933 GND 6 5 VoUT 4 3 INPUT- 4 INPUT+ 3 25 24 12KEY_5 12KEY_6
PROTECTION PROTECTION 50C 4.98V 5 VCC INB INA 1 D901 D904 1k LINE C1+ VIN 8 7 C2+ C2- 2 1 V+ 2 12KEY_7
LEVEL SHIFT ABSORPTION SURGE SURGE ABSORPTION (PTT/TXDO) PROTECTION NC C1- 5 V- OUTPUT 1
(AND ITXD1/SCTXD) D902 (DM/KVL) D903 (BLC/AFO) C935 4.7u25 -9.69V BUFFER AMP
9 9 9 9 9 SURGE ABSORPTION OVER DC SUPPLY 5C + (LCD CONTRAST ADJ)
(HK/RXD) PROTECTION
MI1 ME MI1 ME MI1 ME ME MI1 33C
DGND
-4.29V
0.01u C956
C955 33C-2 20
100p IC913 FLASH ROM
A1 25 A0 29AL16D7KCCB
3.30V /CS0 R900 26 CE A1 23 24 A2
0 28 27 VSS1 A3 21 22 A2 A4 A3
/RD D0 29 oE DQ0 A4 A5 20 A6 A5
D1 D8 30 31 DQ8 DQ1 A7 18 19 A6 A7 A8
D9 33 32 DQ9 A17 17 16 A19
BUS BUFFER D10 D2 35 34 DQ10 DQ2 A18 RY/BY 14 15 /CS1
(D0-D7) 20 3.30V D11 D3 36 DQ11 DQ3 NC2 NC3 13 R986
/CS3 C962 37 38 VCC RESET 11 12 10k
L907 0.1u D4 D12 40 39 DQ4 DQ12 NC1 WE 9 10 /WR
21 D13 D5 41 DQ5 DQ13 A19 A8 8 /CS2 A9
D6 D14 42 43 DQ14 DQ6 A10 A9 6 7 A10 A11 21
D7 45 44 DQ7 A11 5 4 A12
15 R992 D15 46 VSS2 DQ15/A-1 A13 A12 3 A14 A13
0 A17 47 48 BYTE A16 A15 A14 1 2 A16 A15
5.02V
20
16
REVERSE D937
CURRENT PREVENTION
20 21 (SRAM WR)
75
D12 D11 74 D11 D12
D13 72 73 D13
D15 D14 70 71 D14 D15
A0 A1 69 A1
A2 A3 67 68 A3 A2
A4 66 65 A4
30620SPGPU3C IC911 A5 A6 64 63 A5 A6
MCU A7 VSS 62 A7
5.02V A8 61 A8
VCC2 60 59 A9
A9 A10 58 57 A10
A11 A12 56 A11 A12
A14 A13 55 54 A13 A14
A15 52 53 A15
A16 A17 51 A17 A16
20 21
18 L906 21
DGND