Kenwood TM-V71A Service Manual page 100

TX-RX UNIT (X57-731X-XX) (A/6): TX-RX SECTION
CN642
VGS-1 NC 25 26 NC
NC 23 24 NC
NC 21 22 NC
NC 19 20 NC VGS-1 I/F
NC 17 18 NC
NC 15 16 NC
AGND 13 14 5C Vcc 8V
VAI 11 12 VAO C660 R649 AI 5C
VGSREC
DGND 9 10 AGND 1u 150k SW
USEL 7 8 VRST RST C22 C56 D12
CLK 5 6 VEN DRE VRST
VEN 1000p 1000p RIPPLER 7.5V SW DTC144EE Q73 HSC277
SO 3 4 DATA DATA TR_DT A BAND FILTER 2SC4617(R) Q1
VBSY 1 2 VPLY PLAY D13
BUSY VPLY HSC277
CLK VBSY 12.8MHz SW SW
TR_CLK X1 R113
R651 C665 AO VGSPLAY L77-3018-05
22k 1u C531 4.7u C674 PLL IC 2.2k
TCXO_A VC VCC 4.8V MB15A02PFV2E1 IC1
C532 4.7u 47p
GND oUTPUT C3 L608 R7 1 oSCIN R 20 R18
5C 0.01u 390n 1k 2 19 100 SW
3 NC1 NC5 18 D5
oSCoUT P MA2S077-F
COOLING FAN R1 4 VP FoUT 17 R24 D6
F641 TCXO_A_REF 5 VCC NC4 16 D2 VOLTAGE 3.3k MA2S077-F
T:13.7V L641 0.5A SB 100k 6 15 DA221 SHIFT SW CV_A
CN641 1 F53-0128-05 7 Do FC 14 R14
SB GND LE
FAN FAN_C 2 UL_A D1 8 LD DATA 13 10k SW Q2
T:1.8V L642 R646 SW 1SS400 9 12 CP1 2SA1774(R)
2SC4617(R) Q641 A_PLLUL C6 10 NC2 NC3 11 RK75HA1J103J Q3 R19 R20 R22
1/2 22 R652 47p FIN CLoCK R15 SW 2SC4617(R) 1.8k 1.5k 1k
2.2k FAN_C
R648 4.7k
1k D1
AUX POW SW
IGN CURRENT REVERSE
SW PREVENTION
IGN R641 Q642
1M DTC144EE
IGN(GND) 1/4
SIM0 8V
SIM1 SW
SIM2 C122 C88 D32
1000p 1000p Q8 HSC277
B BAND RIPPLER 7.5V DTC144EE
FILTER 2SC4617(R) Q66 SW D33
CN676
CB 2 CB HSC277
GND 1 GND CB 16.8MHz SW SW
X66 R50
L77-3017-05
C533 4.7u C673 4.8V PLL IC 2.2k
S5M CN677 1 TCXO_B C534 4.7u VC VCC 27p MB15A02PFV2E1 IC66
S5M C68 L607 R72 1 20 R83 SW
NC 2 GND oUTPUT oSCIN R D70
8C 3 5C 0.01u 390n 1k 2 NC1 NC5 19 100
NC 4 8C 3 18 MA2S077-F
4 oSCoUT P 17 SW
5C 5 5C R66 VP FoUT R89 D71
NC 6 TCXO_B_REF 5 VCC NC4 16 D67 VOLTAGE 3.3k MA2S077-F
SB_C 7 100k 6 15 DA221 SHIFT CV_B
SB_C 7 Do FC 14 R79
ILLM 8 ILLM SW GND LE
IGN 9 IGN UL_B D66 8 LD DATA 13 CP66 10k SW 2SA1774(R) Q67
TXD(PC) 10 1SS400 C71 9 NC2 NC3 12 RK75HA1J103J R84 R85 R87
RXD(PC) 11 TXD(PC) B_PLLUL 10 11 SW 2SC4617(R) Q68
RXD(PC) 47p FIN CLoCK R80 1.8k 1.5k 1k
RTS(PC) 12 RTS(PC) 4.7k
CTS(PC) 13
SQC(EXT) 14 CTS(PC)
SQC(EXT)
PKS(EXT) 15 PKS(EXT)
PKD(EXT) 16
PR1(EXT) 17 PKD(EXT)
GND 18 PR1(EXT)
TEMP DET_A
SM_A 19 SM_A PR9(EXT)
SQ_A 20 DET_B
VSF 21 SQ_A PR(PNL) 4CH MULTIPLEXER
VSF PR(PNL)_SEL IC666
TEMP 22 TEMP PR9_SEL BU4053BCFV SQ_A
SM_B 23 5RAM_C 1 16 SM_A
SQ_B 24 SM_B 2 Y1 VDD 15
SQ_B Y0 Y FM IC C574 0.1u
GND 25 3 Z1 X 14 TA31136FNG IC486 C570 0.1u T:0V R:3.6V R527
DET_A 26 DET_A 4 Z X1 13 X486 1 16 C500 0.1u 100K
PR(PNL) 27 5 12 oSCIN MIXIN
DET_B 28 PR(PNL) 6 Z0 X0 11 L77-3021-05 2 oSCoUT GND 15 AMP Q493 2SC5636 Q495
DET_B INH A C679 0.1u 3 MIXoUT 14 DTA114EUA
GND 29 7 VEE B 10 C681 4 N-REC 13 C571 0.1u AMP
VBSY 30 CP666 8 9 VCC N-DET
VPLY 31 VBSY VSS C 0.1u C680 0.1u 5 IFIN RSSI 12 C501 0.1u
VPLY 5C C486 0.1u 6 11 C498 82p DETECTION
VEN 32 VEN RK75HA1J472J C666 R491 7 DEC IFoUT 10 R516 D488
VRST 33 0.1u FILoUT QUAD RB706F-40
DA2_EN 34 VRST 1k R498 8 FILIN AFoUT 9 2.7k R529
2099_EN 35 DA2_EN WIDE 120k CD486 47k
2099_EN CF486 C495
TR_CLK 36 TR_CLK R685 L72-1035-05 L79-1701-05
TR_DT 37 5C SW SW 1000p
B_PLLEN 38 TR_DT 220 D486 D487 C493
B_PLLEN D/A DAN235E DAN235E 10u10
A_PLLUL 39 A_PLLUL IC667 2.4V
A_PLLEN 40 BH2228FV 2.4V 2.4V
B_PLLUL 41 A_PLLEN 1 14 CF487 C511
B_PLLUL FWD_REF Ao1 VSS L72-1036-05 0.01u
VGSPLAY 42 VGSPLAY REV_REF 2 Ao2 VFS 13 AMP C499 AMP C504 AMP
TCXO_A 43 TCXO_A BPF_B 3 Ao3 DI 12 Q489 0.1u Q491 0.1u Q494 DETECTION
VCO_B 44 4 11 2SC4617(R) 2SC4617(R) 2SC4617(R)
VCO_A 45 VCO_B BPF_A 5 Ao4 CLK 10 SW NARROW R492 R502 C494
VCO_A TCXO_B_REF Ao5 CSB Q486 1.3V 1.3V 1.3V
TCXO_B 46 TCXO_B TCXO_A_REF 6 Ao6 VDD 9 2SK1830F Q487 1k 10k 0.1u
VGSREC 47 7 8 2SK1830F Q488
SIM0 48 VGSREC CP667 NC1 NC2 SW 2SK1830F
SIM0 TR_DT RK74HB1J102J SW Q490 Q492 SW
SIM1 49 SIM1 TR_CLK 2SK1830F 2SK1830F
SIM2 50 DET_A SW
SIM2 DA2_EN
X57-731X-XX R654 R656 R658 W601
0-11 K 0 0 NO YES
2-71 E NO NO 0 NO
0-21 M4 NO 0 NO YES
X57-731X-XX (B/6,E/6): VCO A
R703 Q704
1k Q703 2SJ347F
8C SSM6L05FU-F SW R721 CN702 7V RIPPLER
C58 C59 680 8C 3 FILTER
7p 2p
L10 L11 UHF C725 E 2 8V Q4
18n 22n CN701 4p C733 OUT 1 2SC4617(R)
SW SW SW 4 MOD SW R714 47k C736 C721 OSCILLATOR 22p 6.9V
C30 D20 D21 C34 D10 Q706
3 CV R704 L701 1.0u D705 C713 0.5p 0.5p L708 2SK508NV(K52) C729 R725 Q707 C37 R33
4p HSC277 HSC277 12p HSC277 2 V/U 0 1SV325F 1000p 18n 0.5p 47 2SC5108(Y)F 470p 82k
1 SHIFT VARICAP VARICAP AMP D4
D11 C711 SW Q5
L12 HSC277 1000p 2SC5636
8.2n SW AMP 0.35V
C63 SW SW
DTC114YE Q701 VARICAP
4p R701
SW 0 R720
Q74 R717 C720 0
DTC144EE 47k 0.5p
VHF VARICAP VARICAP
SW L702 D707 C717 Q705
DTC114YE Q702 1.0u 39p 2SK508NV(K52)
1SV325F OSCILLATOR
R702 VARICAP C718 C730
0
0.01u 0.5p
SW
C123 C124
7p 2p X57-731X-XX (C/6,F/6): VCO B
L13 L14
18n 22n
SW SW SW R753 2SJ347F Q754
C96 D34 D35 C100 D30 1k Q753
4p HSC277 HSC277 12p HSC277 8C SSM6L05FU-F SW R771 CN752 7V RIPPLER
680 8C 3 FILTER
D31
UHF C775 E 2 8V Q69
L15 HSC277 CN751 4p C783 OUT 1 2SC4617(R)
8.2n SW 4 MOD SW R764 47k C786 C771 OSCILLATOR 22p
C91 Q756 6.9V
3 CV R754 L751 1.0u D755 C763 0.5p 0.5p L758 2SK508NV(K52) C779 R775 Q757
4p 2 V/U 0 1SV325F 1000p 18n 0.5p 47 2SC5108(Y)F C103 R98
1 SHIFT VARICAP VARICAP AMP D69 470p 82k
SW C761 SW
Q9 1000p 2SC5636 Q70
DTC144EE SW SW AMP
Q751 0.35V
DTC114YE
R751
0 R770
R767 C770 0
47k 0.5p
VHF VARICAP VARICAP
SW L752 D757 C767 Q755
DTC114YE Q752 1.0u 1SV325F 39p 2SK508NV(K52)
OSCILLATOR
R752 VARICAP C768 C780
0
0.01u 0.5p
SW
A BAND IF
45.05MHz
T:0V R:0.93V XF486
C514 R483 R533 L71-0642-05 R536 C521
R484
0.1u 150 390 820 150 0.1u SQ_B
TH485 TH486 SM_B
NCP18XQ102J0S -t NCP18XQ102J0S -t R:0.6V R:3.9V B BAND IF
T:0V T:0V C573 0.1u
R:0.2V R548 C538 C551 FM IC C572 0.1u
T:0V IC546 R:3.6V R570 R:0.93V 49.95MHz
470k 5p 9p TA31136FNG C568 0.1u T:0V 100k T:0V XF546 L71-0641-05
R546 Q547 1 16 C558 0.1u C563 R481 R572 R573 R482 C567
1.5k 2SC4649(N,P) R562 1k 2 oSCIN MIXIN 15 Q551 0.1u 47 390 820 47 0.1u
IC487 TRIPLER C683 0.1u 3 MIXoUT oSCoUT GND 14 SW DTA114EUA Q550 2SC5636 TH545 TH546
TC75W51FUF N-REC AMP -t -t
5 IN+B VSS 4 C685 4 VCC N-DET 13 C569 0.1u NCP18XQ102J0S NCP18XQ102J0S
R534 6 3 C684 0.1u 5 12 C559 0.1u
1k C518 7 IN-B IN+A 2 C523 0.1u R554 C549 0.1u 6 IFIN RSSI 11 C557 91p R:0.2V T:0V
SW oUTB IN-A DEC IFoUT
Q496 0.1u 8 VDD oUTA 1 0.1u AGCA CF546 WIDE 1k 7 FILoUT QUAD 10 R566
2SK1830F L72-1034-05 SW R559 8 9 2.2k
D546 SW D547 120k FILIN AFoUT CD546
OP AMP DAN235E DAN235E
C516 C522 C556 L79-1582-05
1000p 0.1u CF547 1000p C562
L72-0999-05
10u10
SW NARROW R555
2SK1830F Q546
Q548 1k
5RAM_C 2SK1830F 2SK1830F Q549
SW SW
DET_B
D136
TEMPERATURE
VHF TX COMPENSATION
POWER MODULE
IC131
RA60H13171123
M:4.1V H:4.6V
L:4V
0.85V
C25 APCV SW
T:7V L135 D134 C226
1000p AMP R:0V 5T L407CDB 3p
AMP T:4.2V T:1.2V Q131 C138 R139 R147 C149 D135 C191 L192 L195
SW SW SW T:0.3V R:0V Q644 R:0V R:0V 2SC3357-A(RF) 470p 18 H:12.4V 0 4p L407CDB 1000p 2.5T 2.5T
D14 L21 L22 D18 D130 C131 R587 2SC3356-A(R24) C605 M:13.2V SW C227
47p T:0.6V Q132 L:13.4V 3.5p
HVC131 39n 39n HVC131 HVC131 1000p 0 R:0V 2SK1830F L190
SW SW
D16 33n
6.5V SW HVC131 SW 5.1V SW SW
C45 R41 C60 D15 D19 D131 R690 ZENER
DIODE
0.85V 15p 18 1000p HVC131 HVC131 SW HVC131 6.8k TEMPERATURE
C41 COMPENSATION
1.5p Q7 D17
2SC5636 HVC131
AMP SW
R123
Q6 0
DTC144EE
SW R124
0
R125
0
D166
UHF TX TEMPERATURE
COMPENSATION
POWER MODULE
IC161
RA60H40471101
M:2.7V H:4.1V
L:2.5V
0.85V APCU SW
C544 D164 C194
T:7.2V
1000p T:0.6V R:0V AMP R:0V L407CDB 3p
AMP T:5.3V T:1.2V Q162 C171 R173 C178 C593 D165 L188 L189 C195
SW SW SW Q161 R:0V R:0V 2SC3357-A(RF) 10p 18 H:12.4V 3p 5p L407CDB 1.5T 1T 4p
D22 L19 L20 D26 D160 C161 2SC3356-A(R24) C165 L:13.4V M:13.2V C225 C555 SW
39n 39n 15p T:0.5V Q163 5p 5p
HVC131 HVC131 HVC131 470p R:0V 2SK1830F
SW SW C196
D24
6.5V SW HVC131 SW 5.1V 0.75p
C111 R104 C125 D23 D27 D161 R163 ZENER
15p 18 1000p HVC131 HVC131 HVC131 6.8k DIODE
0.85V SW TEMPERATURE L191
C107 COMPENSATION 12n
1.5p Q72 D25
2SC5636 HVC131 SW SW SW
AMP SW SW SW
Q71
DTC144EE
SW
CONTROL PORT
5C A BAND DC B BAND DC
BU2099FV IC576 BU2099FV IC577 IC577
1 20 IC576 1 20 SHIFT D578,580
VSS VDD SHIFT VSS VDD REGISTER REVERSE REVERSE
2 NC OE 19 REGISTER 2 NC OE 19 CURRENT CURRENT
RK74HB1J102J CP576 3 18 3 18 PREVENTION PREVENTION
2099_EN 4 DATA SO 17 4 DATA SO 17 5RA 4V D576 5RB 4V D580
TR_CLK CLK Q11 CLK Q11 DAN222 5V DAN222
TR_DT 5 LCK Q10 16 5 LCK Q10 16 5RA 5RB
6 15 6 15
WN_A 7 Q0 Q9 14 WN_B 7 Q0 Q9 14
VU_SEL_A Q1 Q8 VU_SEL_B Q1 Q8 5RVA 4.75V Q578 5RVB D578 4.75V
8 Q2 Q7 13 8TUB_C 8 Q2 Q7 13 DTA123JUA SW 1SS400 DTA123JUA
9 Q3 Q6 12 5RUB_C 9 Q3 Q6 12 5RVA 5RVB
10 11 10 11
VAIP Q4 Q5 PR9_SEL Q4 Q5
UAIP
SHIFT_A 5RUA 5RUB
4.75V Q579 SW 4.75V
8TVA_C DTA123JUA DTA123JUA
5RUA_C PR(PNL)_SEL 5RUA 5RUB
8TUA_C SHIFT_B
5RVA_C 8TVB_C
5RAM_C 5RVB_C
5R8B_C 4.75V Q580 5R8B 4.75V
BP_SFT_A_I DTA123JUA SW DTA123JUA
BP_SFT_B_I 5RAM 5R8B
BP_SFT_A SW SW SW
BP_SFT_B DTA114EE Q572 2SK1830F Q573 DTA114EE Q574 Q575 DTA123JUA Q576
SW 2SK1830F
SW 5RVA_C 5RVB_C
5RUA_C 5RUB_C
5C 5RAM_C 5R8B_C
FAN_C
R:4.7V
R229 T:0V
10k
A BAND VHF
V_A_BPF R:2.4V R:4V T:0V R:1.9V
SW L230 T:0V T:0V
D226 560n C240 R235 L260 R238 L234 R242 C256 C264 R257
HSC277 L227 L228 R:0.27V T:0V Q226 1000p 0 C242 12n 0 330n C248 L259 0 1000p R:4.7V T:0V T:0V R:0.3V Q227 1000p 0
D227 R226 47n 47n C541 C233 3SK294-FP 1000p 1000p 12n AMP 3SK294-FP
MIXER VARICAP VARICAP
HSC277 0 C228 C231 7p 1000p
SW 3p 4p
SW VARICAP SW VARICAP
VHF RX R:2.4V T:0V C243 C249
C359
1000p 1000p 1000p
SW
LIMITER
R293 R:4.7V
T:0V
10k
B BAND VHF
R:4V
V_B_BPF R:2.4V T:0V T:0V R:1.9V
SW L295 T:0V
D291 470n C306 R300 L324 R303 L299 R307 C321 C330 R322
HSC277 L292 L293 R:0.27V 1000p 0 C308 12n 0 330n C313 L323 0 1000p R:4.7V R:0.3V Q292 1000p 0
T:0V 3SK294-FP Q291 T:0V T:0V 3SK294-FP
D292 R291 47n 47n C697 C298 MIXER 1000p 1000p 12n AMP
0 7p 1000p VARICAP VARICAP
HSC277 C293 C296
SW 3p 4p
SW VARICAP SW VARICAP
T:0V R:2.4V C309 C314
1000p 1000p
U_A_BPF
TH103
10k R:4.7V
R360 T:0V
10k
C198 C173 T:0V R:4V
A BAND UHF R:1.9V
3p 3p SW T:0V R:1.5V R389 T:0V
C199 C201 D361 L364 470n R370 C375 R371 L613 R374 L614 R377 C381 10 R386
2p 3p
HSC277 L361 L362 T:0V R:0.25V Q361 0 12p 0 270n 0 270n 0 470p T:0V R:4.7V 3SK318 Q362 10
12n 18n SW 3SK294-FP R:0.46V T:0V AMP
D362 R361 D363 C368 MIXER VARICAP VARICAP VARICAP
C200 HSC277 0 C363 C366 HSC277 470p
SW
0.75p 2p 3p
R:1.9V VARICAP VARICAP VARICAP
T:0V
C452 UHF RX
470p
U_B_BPF
TH102
R405 10k R:4.7V
T:0V
10k
R:4V
B BAND UHF R:1.5V T:0V R:1.9V
SW T:0V R432 T:0V
D406 L409 R415 C420 R416 L617 R419 L618 R422 C426 10 R431
HSC277 L406 L407 470n T:0V R:0.25V Q406 0 12p 0 270n 0 270n 0 470p R:4.7V T:0V 3SK318 Q407 10
D407 R406 12n 18n D408 C413 3SK294-FP R:0.46V T:0V AMP
MIXER VARICAP VARICAP VARICAP
HSC277 0 C408 C411 HSC277 470p
SW 2p 3p SW
5V R:1.9V VARICAP VARICAP VARICAP
T:0V
Q582
SW
AMP
R:4.7V R:3.62V IC668 R:4.65V
B BAND 1.2G T:0V T:0V TA4002F-F T:0V
Q583 SW C480 L626 C472 3 2 R:0.73V
C462 5p 5.6n 3p RFoUT +B T:0V 1.2G RX
2p R:2.6V R480
SW T:0V
D456 C450 R696 C470 L461 C468 4 1 C474 R477 100k C478 R697
HSC277 0.01u 0 0.01u C459 C460 820n Q457 100p GND RFIN R:0.85V 3p 22 Q459 10p 0
Q584 2p 100p 3SK318 T:0V 2SC5066-F(O)
SW SW R:4.3V MIXER R:4.22V T:0V AMP
D457 R462 C469 T:0V
Q456 T:0V R:0.25V
HVC131 220 100p 2SC5636
R:0.7V AMP R:1.5V
T:0V T:0V
8V DC
8TV SW REV
T:7.9V Q585
8TV 12A02CH 8V
R578 FWD
1.8k
VHF RX
8TV_I RECTIFICATION
T:0V R:4V R:1.9V 8TU T:7.9V SW D191
T:0V A BAND L357 L359 12A02CH Q586 8.0V MA3J742
L257 R260 L246 R264 C280 L256 C288 390n 330n 8TU
REVERSE 8C
C266 12n 0 390n C272 L258 0 R:4.7V 1000p Q228 330n 1000p C357 C698 CURRENT 8TU
1000p 1000p 15n T:0V R:0.5V 3SK318 AMP 15p 27p PREVENTION
VARICAP VARICAP T:0V R579 D584
1.8k R186 R191 R195
8TU_I APCV 47 220k 27k
SW VARICAP SW VARICAP Q229 SW DAP202K
C267 C273 DTC144EE SW 8TVA T:7.95V Q587 C212
DTA123JUA IC186 0.022u
1000p 1000p 8TVA TC7W66FK-F
LIMITER 2CH ANALOG SW
APCU
SW R189
8TUA T:7.95V Q588
DTA123JUA 27k
8TUA REVERSE
CURRENT PREVENTION OP AMP
IC187
NJM2904V-ZB
R:4V
T:0V SW
R:1.9V T:0V 8TVB T:7.95V Q589
3SK318 Q293 DTA123JUA 8TV
L322 R325 L311 R329 C346 AMP L321 C354 8TVB C210
C332 12n 0 390n C338 L312 0 1000p 330n 1000p
R:4.7V 0.022u
1000p 1000p 15n T:0V R:0.5V T:0V R190 R196
VARICAP VARICAP 390k 27k
8TUB SW
T:7.95V DTA123JUA Q590
SW VARICAP SW VARICAP DTC144EE Q294
C333 C339 SW 8TUB R188 R212
1000p 1000p FWD_REF 6.8k 0
R192
D582 REV_REF 33k
8TVA_C
DAN222
CURRENT REVERSE
REVERSE CURRENT PREVENTION VSF
PREVENTION D583
8TVB_C VFS
VARICAP R:4V UHF RX 8TUA_C DAN222
BBY53-05W D377 T:0V R:1.9V C422 8TUB_C
Q363 T:0V A BAND 1.5p
C390 R390 C395 C397 3SK318 L380 C405 L452 L454
AMP
470p 0 5p R:4.73V 470p 43n 470p 15n 15n
T:0V R:0.46V AVR DC SUPPLY
VARICAP T:0V
B
VARICAP SURGE
VARICAP ABSORBER
VARICAP SW F576
Q400 CB 3A
DTC144EE F53-0392-05 PC/TNC I/F
D607,609
SB SW LIMITER
13.75V Q592 F577 3A PKD(EXT) C687 C618
SB CPH6122 1u D607 D609 1u
F53-0392-05 R608
5C REVERSE
15k CURRENT
PREVENTION DA221 DA221
PKS(EXT)
R619
10k
C670 CURRENT REVERSE
VARICAP R:4V SW 47p 2.2V PREVENTION
D419 T:0V R:1.9V SB_C Q591 DTC144EE 1.2V R611 C613
BBY53-05W Q408 T:0V R606 C606 220k 10u10
C437 R435 C439 C441 AMP 3SK318 L425 C448 C596 PR9(EXT)
1000p 5.6k 4.7u 2SC4617(R) Q607 0.6V
470p 0 5p R:4.73V 470p 43n 470p C672 AMP
T:0V R:0.46V 100p 3.5V
VARICAP T:0V 8V AVR 2.1V R612 C614
8C IC578 C607 220k 0.047u
VARICAP KIA7808API PR1(EXT)
VARICAP 8C 3 oUT IN 1 SB 0.1u Q606 1.5V
VARICAP SW 8C GND 2SC4617(R)
Q450 AMP
DTC144EE 2
SQC(EXT)
8V
5V AVR
5C IC579
5V TA7805FQ C612
5C 2 oUT IN 1 8C 0.1u
5C GND 9 8
CTS(PC) CP606 R2oUT R2IN
3 RTS(PC) 10 T2IN T2oUT 7
11 6
TXD(PC) 12 T1IN V- 5 C615
RXD(PC) RK74HB1J102J 13 R1oUT C2- 4 0.1u
R1IN C2+
14 T1oUT C1- 3 C616
15 2 0.1u
C608 16 GND V+ 1
VCC C1+
0.1u IC606
C609 ADM202EARUZ IC606
1u RS-232C DRIVE IC
S5M C611
0.1u
RECTIFICATION
D192
C221 R199 C222
470p 100 470p
MA3J742
R211 ANT
0
H:5.6V
M:2.5V L:1.5V
R208
470k
ZENER 5.1V
DIODE
R213
5.6k
Q186
DTC144EE
SW
R203
100k
13.8V
B
B+
B-
SW SW
R620
10 J607
E56-0405-05
PR9 SQC 6 4
GND 2
R621 PKD PR1 1 5
GND PKS 3 7
1k
DATA
R622
1k
R623
1k
E56-0411-05 J606
RxD NC 5 8
NC 7
GND CTS 4 2
R635 100 RTS 1
TxD NC 6 3
R636 100 GND 9
PC