Kenwood TK-2102G Service Manual Download

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SERVICE MANUAL

VHF FM TRANSCEIVER

TK-2102G

GENERAL .....................................................2

SYSTEM SET-UP .........................................2

REALIGNMENT ...........................................3

DISASSEMBLY FOR REPAIR ......................5

CIRCUIT DESCRIPTION ..............................6

SEMICONDUCTOR DATA .........................10

COMPONENTS DESCRIPTION .................11

PARTS LIST ...............................................12

EXPLODED VIEW ......................................19

PACKING ....................................................20

ADJUSTMENT ..........................................21

CONTENTS

PC BOARD

TX-RX UNIT (X57-6020-10) .................26

SCHEMATIC DIAGRAM ............................30

BLOCK DIAGRAM .....................................34

LEVEL DIAGRAM ......................................36

OPTIONAL ACCESSORIES

KNB-14 (Ni-Cd BATTERY) ....................37

KNB-15A (Ni-Cd BATTERY) .................37

KNB-20N (Ni-MH BATTERY) ...............37

SPECIFICATIONS ...................BACK COVER

Knob (CH)
(K29-5278-03)

Knob (VOL)
(K29-5255-03)

Helical antenna
(T90-1036-15)

Plastic cabinet assy
(A02-4049-03)

Summary of Contents for TK-2102G

Page 1: ...ONENTS DESCRIPTION 11 PARTS LIST 12 EXPLODED VIEW 19 PACKING 20 ADJUSTMENT 21 CONTENTS PC BOARD TX RX UNIT X57 6020 10 26 SCHEMATIC DIAGRAM 30 BLOCK DIAGRAM 34 LEVEL DIAGRAM 36 OPTIONAL ACCESSORIES KNB 14 Ni Cd BATTERY 37 KNB 15A Ni Cd BATTERY 37 KNB 20N Ni MH BATTERY 37 SPECIFICATIONS BACK COVER Knob CH K29 5278 03 Knob VOL K29 5255 03 Helical antenna T90 1036 15 Plastic cabinet assy A02 4049 03 ...

Page 2: ...chematic diagrams printed circuit board views and alignment procedures contained within NOTE You must use KPG 55D version 4 00 or later for this transceiver KPG 55D versions earlier than version 4 00 will not work properly License and frequency allocated by FCC Choose the type of transceiver Merchandise received Transceiver programming Are you using the speaker microphone A personal computer IBM P...

Page 3: ...en data is received by the transceiver the green LED lights Notes The data stored in the personal computer must match the Model Name when it is written into the EEPROM Do not press the PTT key during data transmission or reception Change the transceiver to PC mode then attach the in terface cable 4 3 KPG 22 KPG 22A Description PC programming interface cable Option The KPG 22 22A is required to int...

Page 4: ...5D ver 4 00 or later Tuning cable E30 3216 05 D SUB 25 pin Transceiver KPG 22 PC Gray Gray Black 1 5D XV Lead wire 1 5D XV Shield wire SP MIC D SUB 9 pin Transceiver KPG 22A PC USB Transceiver KPG 22A KCT 53U PC 4 6 Programming with PC If data is transferred to the transceiver from a PC with the KPG 55D ver 4 00 or later the data for each set can be modified Data can be programmed into the EEPROM ...

Page 5: ...400 i 3 Remove the solder from the antenna terminal using a soldering iron then lift the unit off o 4 Remove the waterproof packing 0 and cushion 1 from the antenna connector Note The cushion cannot be reused Affix a new cush ion when you remove the cushion 5 Remove the two screws 2 and remove the antenna con nector Note When reassembling the unit in the chassis be sure to solder the antenna termi...

Page 6: ...zer circuit at the first mixer Q202 to create a 38 85MHz first intermediate frequency 1st IF signal The first IF signal is then fed through two monolithic crystal filters MCFs XF200 to further remove spurious signals 3 IF Amplifier The first IF signal is amplified by Q201 and then enters IC200 FM processing IC The signal is heterodyned again with a second local oscillator signal within IC200 to cr...

Page 7: ... the speaker output sounds according to the squelch results 3 PLL Frequency Synthesizer The PLL circuit generates the first local oscillator signal for reception and the RF signal for transmission 1 PLL The frequency step of the PLL circuit is 5 or 6 25kHz A 12 8MHz reference oscillator signal is divided at IC1 by a fixed counter to produce the 5 or 6 25kHz reference fre quency The voltage control...

Page 8: ...s generated by Q4 in transmit mode and Q3 in receive mode The oscillator frequency is controlled by applying the VCO control voltage obtained from the phase comparator to the varactor diodes D1 and D2 in transmit mode and D3 and D4 in receive mode The T R pin is set high in receive mode causing Q5 and Q7 to turn Q4 off and turn Q3 on The T R pin is set low in trans mit mode The outputs from Q3 and...

Page 9: ...roprocessor An APC voltage proportional to the difference between the sensed voltage and the reference voltage appears at the output of IC100 1 2 This output voltage controls the gate of the FET power amplifier which keeps the transmitter output power constant The transmitter output power can be varied by the microprocessor which in turn changes the reference voltage and hence the output power 6 T...

Page 10: ...itivity L narrow 42 WNTC O MAX Dev control Narrow H 43 46 NC l NC 47 SDA l O EEPROM data line 48 SCL O EEPROM clock line 49 UL I PLL unlock detection pin L unlock 50 54 NC l NC 55 DT O Common data output 56 CK O Common clock output 57 NC O NC 58 LE O PLL IC enable H latches 59 60 NC O NC Pin No Port Name I O Function 61 5MC O Control of power supply 5M for everything except the microprocessor and ...

Page 11: ...ransistor DC switch Q200 Transistor DC switch Q201 Transistor IF AMP Q202 FET Mixer Q203 FET Mixer RF AMP Q300 Transistor Active filter Q302 FET Audio mute switch Q303 306 Transistor DC switch Q307 FET Audio mute switch Q400 402 Transistor DC switch Q403 Transistor Beat shift switch Q404 Transistor DC switch Q405 FET DC switch Q406 408 Transistor DC switch Q500 FET DC switch Q501 502 Transistor Ac...

Page 12: ...80 150 220 330 470 750 s 4OLERANCE ORE THAN P Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10μF 10 50 20 20 0 Less than 4 7μF 10 75 s 6OLTAGE RATING 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 s HIP CAP...

Page 13: ...N79 2030 48 PAN HEAD TAPTITE SCREW F 2A 2B N83 2005 48 PAN HEAD TAPTITE SCREW 47 2D N99 0396 15 SCREW SET ACCESSORY 49 2B R31 0647 05 VARIABLE RESISTOR 51 2B S60 0424 25 ROTARY SWITCH 53 1A T07 0369 15 SPEAKER 54 2D T90 1036 15 HELICAL ANTENNA ACCESSORY 56 1C W08 0479 25 AC ADAPTER AC 120V ACCESSORY K 58 1C W08 0558 35 AC ADAPTER AC 230V ACCESSORY M 59 1C W08 0598 15 CHARGER ACCESSORY 60 2C W09 09...

Page 14: ...1C104K CHIP C 0 10UF K C236 CK73HB1H102K CHIP C 1000PF K C237 CC73GCH1H060B CHIP C 6 0PF B C238 CC73GCH1H200J CHIP C 20PF J C239 CK73GB1H102K CHIP C 1000PF K C241 CC73GCH1H040B CHIP C 4 0PF B C243 CC73GCH1H020C CHIP C 2 0PF C C245 246 CK73GB1H102K CHIP C 1000PF K C247 CC73GCH1H200J CHIP C 20PF J C248 CC73GCH1H080D CHIP C 8 0PF D C249 251 CK73GB1H102K CHIP C 1000PF K C252 CC73HCH1H180J CHIP C 18PF ...

Page 15: ...7UH L5 L40 5681 86 SMALL FIXED INDUCTOR 0 56UH L6 L40 6891 86 SMALL FIXED INDUCTOR 6 8UH L7 L92 0140 05 CHIP FERRITE L8 9 L40 6891 86 SMALL FIXED INDUCTOR 6 8UH L10 L33 0744 05 SMALL FIXED INDUCTOR L11 L33 0745 05 SMALL FIXED INDUCTOR L12 L40 1085 92 SMALL FIXED INDUCTOR 100NH L13 L40 4775 92 SMALL FIXED INDUCTOR 47NH L14 L92 0140 05 CHIP FERRITE L15 L40 6891 86 SMALL FIXED INDUCTOR 6 8UH L16 17 L...

Page 16: ...RK73GB2A474J CHIP R 470K J 1 10W R207 RK73GB2A104J CHIP R 100K J 1 10W R208 RK73GB2A684J CHIP R 680K J 1 10W R209 RK73GB2A272J CHIP R 2 7K J 1 10W R210 211 RK73GB2A471J CHIP R 470 J 1 10W R212 RK73GB2A330J CHIP R 33 J 1 10W R213 RK73GB2A000J CHIP R 0 0 J 1 10W R214 RK73GB2A103J CHIP R 10K J 1 10W R215 RK73GB2A271J CHIP R 270 J 1 10W R216 RK73HB1J104J CHIP R 100K J 1 16W R217 RK73HB1J000J CHIP R 0 ...

Page 17: ...K73GB2A153J CHIP R 15K J 1 10W R514 515 RK73GB2A333J CHIP R 33K J 1 10W R516 RK73GB2A103J CHIP R 10K J 1 10W R517 RK73GB2A185J CHIP R 1 8M J 1 10W R518 RK73GB2A154J CHIP R 150K J 1 10W R519 520 RK73GB2A333J CHIP R 33K J 1 10W R521 RK73GB2A332J CHIP R 3 3K J 1 10W R522 RK73GB2A182J CHIP R 1 8K J 1 10W R523 RK73GB2A682J CHIP R 6 8K J 1 10W R524 RK73GB2A513J CHIP R 51K J 1 10W R525 RK73GB2A152J CHIP ...

Page 18: ... Q300 2SC4617 S TRANSISTOR Q302 2SK1824 A FET Q303 DTA144EE DIGITAL TRANSISTOR Q304 DTC144EE DIGITAL TRANSISTOR Q305 2SA1362 F GR TRANSISTOR Q306 DTC144EE DIGITAL TRANSISTOR Q307 2SK1588 AZ FET Q400 401 DTC114EE DIGITAL TRANSISTOR Q402 DTA114YE DIGITAL TRANSISTOR Q403 DTC144EE DIGITAL TRANSISTOR Q404 UMG3N TRANSISTOR Q405 UPA672T A FET Q406 FP210 TRANSISTOR Q407 UMG3N TRANSISTOR Q408 DTA123JE DIGI...

Page 19: ...43 37 44 41 13 9 33 45 C B B 704 703 Fx2 TX RX unit Fx3 Fx3 A F A Dx2 E 702 701 700 Fx3 9 53 24 23 25 39 15 10 2 16 8 17 51 49 34 7 27 18 37 A N09 2438 05 B N14 0581 44 C N14 0804 24 D M2 6 x 6 N30 2606 48 E M2 x 3 N79 2030 48 F M2 x 5 N83 2005 48 19 21 22 12 X57 106 X57 101 X57 105 X57 102 X57 103 X57 104 ...

Page 20: ...uction manual B62 2103 00 4 Cap SP MIC B09 0351 03 47 Screw set N99 0396 15 713 54 Helical antenna T90 1036 15 36 Belt clip J29 0734 05 715 30 Protection bag H25 0085 04 711 712 714 35 SP MIC holder J21 4493 04 60 Battery assy W09 0940 25 31 Protection bag H25 2012 04 Parts with the exploded numbers larger than 700 are not supplied ...

Page 21: ...ge 50Hz to 5kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 Spectrum Analyzer Measuring Range DC to 1GHz or more 12 Tracking Generator Center Frequency 50kHz to 600MHz Output Voltage 100mV or more 13 8Ω Dummy Load Approx 8Ω 3W 14 Regulated Power Supply 5V to 10V approx 3A Useful if ammeter equipped The following parts are required for adjus...

Page 22: ...is tuned the unit must be con nected to a suitable dummy load i e power meter The speaker output connector must be terminated with a 8Ω dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during tuning Adjustment Frequency TEST CH K M RX MHz TX MHz Low 150 10000 150 00000 Center 162 10000 162 00000 High 173 90000 173 97500 Adjustment ...

Page 23: ... KPG 55D Windows version ver 4 00 or later 5 1W 0 1W 1 6A or less 4 Max Deviation Wide 1 TEST CH Center AG 1kHz 120mV Deviation meter filter LPF 15kHz HPF OFF PTT ON Power meter Deviation meter Oscillo scope AG AF VTVM ANT SP MIC connec tor TX RX VR501 4 2kHz According to the larger 0 1kHz Narrow 2 TEST CH Center PTT ON Check 1 8kHz 2 2kHz Common Section Item Condition Measurement Adjustment Speci...

Page 24: ...z 6 QT Deviation Wide 1 TEST CH High QT 67 0Hz LPF 3kHz HPF OFF PTT ON Power meter Deviation meter Oscillo scope AG AF VTVM ANT Program ming software KPG 55D Windows version ver 4 00 or later 0 90kHz 0 03kHz Narrow 2 TEST CH High PTT ON 0 43kHz 0 03kHz 7 DQT Deviation Wide 1 TEST CH High DQT D023N LPF 3kHz HPF OFF PTT ON 0 85kHz 0 03kHz Narrow 2 TEST CH High PTT ON 0 40kHz 0 03kHz 8 Battery Warnin...

Page 25: ...ust to the maxi mum AF level Narrow 2 TEST CH Center SSG output 53dBm 501µV SSG MOD 1 5kHz 3 Sensitivity Wide 1 TEST CH Low Center High SSG output 116dBm 0 35µV SSG MOD 3kHz Check 12dB SINAD or more Narrow 2 TEST CH Center SSG output 116dBm 0 35µV SSG MOD 1 5kHz 4 Squelch Tight 1 TEST CH Center MONI ON Program ming software KPG 55D Windows version ver 4 00 or later Adjust the adjust ment value unt...

Page 26: ...8 C416 C266 C267 Q304 Q501 Q502 R502 R505 R506 R508 R512 R513 R515 R516 R517 R518 R519 R330 R331 R333 R334 R335 R339 C501 C503 TH500 C504 R540 C508 R548 C510 C511 C512 C513 C515 C327 VR500 BAL VR501 DEV C331 5 6 1 10 C333 C334 C335 R6 C533 VR1 Q403 L400 L402 C417 TK 2102G PC BOARD TX RX UNIT X57 6020 10 Component side view J79 0166 09 Ref No Address IC100 4O IC302 4I IC400 5D IC401 9E IC402 4D IC4...

Page 27: ...Q108 Q500 G D S Q502 R516 R519 R521 R524 R525 R526 R527 R333 R334 R335 R336 C506 C512 C513 C514 C516 C518 C335 C337 D505 IC500 CN400 R421 R423 C422 C425 Q103 G S D Q104 Q106 S G D Q109 Q503 L500 L118 L502 R119 R122 R124 R125 R126 R130 R131 R132 R133 R134 R137 R138 R140 4 5 1 8 R529 R141 R142 R143 R144 R145 R532 R533 R534 C112 R536 R537 R539 C130 C519 C139 C525 C526 C527 C141 C530 C531 D501 TX RX U...

Page 28: ...29 C133 C135 C136 C137 C140 C142 C143 C146 C147 D101 D102 D103 D104 L208 L209 L210 C33 R422 R424 R425 R428 R433 R434 C424 C430 TC2 D3 L501 L9 L15 C528 Q400 Q401 Q405 D502 C35 C36 C40 C42 C43 C45 C46 C49 Q100 D6 L101 L100 R100 R101 R103 R104 L10 C102 R18 R23 R25 R26 Q3 4 G S D 3 Q101 B G S D C E R105 R106 R107 R108 R110 C103 C104 C105 C108 R237 C241 Q203 G S TK 2102G PC BOARD TX RX UNIT X57 6020 10...

Page 29: ...0 L214 IC301 L215 X1 CP1 C10 R200 R203 R204 R207 R208 C24 C30 C36 C37 C40 C42 C43 C44 C46 C47 C49 Q100 D1 D2 D5 R100 L11 L13 L14 R17 R19 R23 R24 R25 Q3 R27 Q4 Q5 Q6 Q7 4 5 G G S D G S D S D 3 1 R211 R214 R217 R220 R225 R243 C218 C219 C222 C236 C263 R105 R106 L2 L5 C103 C104 C105 R14 Q1 R8 L201 C14 C17 C19 XF200 R222 R226 R229 R232 R237 C215 C221 C238 C239 C243 C245 C247 C248 C251 D201 Q203 G S D G...

Page 30: ...05 C28 33p R501 4 7k R502 82k S403 C501 0 027u R427 1k Q407 UMG3N C408 10u6 3 R416 4 7k L5 560n C8 0 22u R1 150k R6 1k R13 150 C12 0 22u R5 0 R7 0 C15 6 8u10 C18 0 68u20 R10 150 R9 680 C27 1000p R28 0 C48 10p C29 1000p R16 68k C24 680p C402 1000p C406 1000p R507 4 7k C404 1000p C403 1000p IC400 BD4840G TR 1 VoUT 2 VDD 3 GND 4 NC1 5 NC2 1 A0 2 A1 3 A2 4 GND 5 6 7 8 R513 15k C533 0 1u C412 10p C414 ...

Page 31: ...p B D1 1SV283F C30 1000p C38 18p R19 47k L6 6 8u R22 270 L8 6 8u C41 1000p C37 5p B L11 33n C32 100p TC1 10p D5 1SV214 F D2 1SV283F C39 0 01u R17 100k D6 MA2S111 F R26 4 7k C45 1000p C49 1000p C50 4 7u6 3 C100 15p R101 10k R102 220 C101 1000p R103 1k C102 1000p L100 82n R105 3 3k C103 22p R104 100 VR500 68k R503 6 8k R504 22k R505 6 8k R506 820 VR501 15k R508 1k C507 2 2u4 C510 820p C513 680p PABC...

Page 32: ...105 C109 1000p R121 47k L103 27n L212 L34 4850 15 C266 0 1u C267 0 1u C212 15p C224 0 1u C225 0 1u C217 0 01u C215 10p C216 2p R211 470 C221 0 01u L200 560n R212 33 C218 1000p R220 560 L201 820n C219 10p C C220 1000p R215 270 C235 0 1u R225 1k R223 100 C233 8p B C222 5p B C263 1000p L202 120n R243 68k R244 100k C236 1000p C234 30p L215 0 56u R216 100k C264 1000p R217 0 R245 100k C105 1000p TH100 5...

Page 33: ... 10p C L118 1u R128 270 L114 5T R127 270 C140 10p C144 9p D102 HSC277 D103 HSC277 L115 6T C237 6p C254 1 5p D201 HVC350B R226 100k L208 56n L211 33n R242 100k C248 8p C246 1000p R240 0 R213 0 L214 56n C257 1 5p C249 1000p D202 HVC350B C251 1000p L203 56n D204 HVC350B C247 20p C243 2p R232 47 C252 18p C262 1000p 3SK318 Q203 C261 15p C250 1000p D203 HVC350B R230 100k C256 1000p R228 47 R222 0 R237 1...

Page 34: ... 2SC5108 Y F Q3 2SK1875 F V Q10 2SC5 Y Q2 2SC5108 Y F Q403 DTC 144EE 2 M Q5 Q7 2SJ243 A UMC4 D3 D4 1SV283F x2 IC403 38268MCA060GU IC401 AT24CO8A 10SU18 IC402 R3111N 451C F Q405 UPA 672T A IC400 BD4840G TR IC404 XC6201 P502PR Q1 2SC4649 N P IC200 TA31136FNG D300 DA221 NJM2904V ZB BLOCK DIAGRAM ...

Page 35: ...77 x2 IC100 NJM2904 V ZB Q104 Q103 UFMMT717 2SK1824 A Q8 D6 2SC4617 S MA2S111 F Q201 2SC4649 N P Q202 3SK318 Q203 3SK318 Q307 2SK1588 AZ Q302 2SK1824 A D502 1SR154 400 D300 DA221 IC302 TA7368FG L203 L214 D201 D202 L208 L209 L210 D203 D204 D205 Q305 2SA1362 F GR Q500 2SK1824 A Q502 2SC4617 S Q501 2SC4617 S NJM2902V ZB NJM2904V ZB IC500 NJM2100V ZB ...

Page 36: ...he AF vol Measure the audio frequency on an AF VTVM and radio frequency on a RF VTVM at high impedance Set the MIC input obtain a moduration factor of 60 with the transmit frequency at center and a modulation frequency of 1kHz ANT L114 C137 C262 L208 L209 L210 5R Q203 R217 L203 L214 Q202 R211 XF200 1st Local 0 1Vrms R210 Q201 C212 IC200 16 9 5 7 IC300 AF VR 4 10 IC302 Q307 SP RF Center frequency I...

Page 37: ... Dimensions 60 8W x 110 8H x 20 3D mm projections included Charger and charging time KSC 15 normal charger approximately 8 hours KSC 16 rapid charger approximately 2 hours KSC 24 rapid charger approximately 1 hour Weight 210g Specifications Voltage 7 2V 1 2V x 6 Capacity 1600mAh Dimensions 63 8W x 110 8H x 17 2D mm projections included Charger and charging time KSC 24 rapid charger approximately 8...

Page 38: ...sy Ch De Gaulle Cedex GENERAL Frequency range 150 174MHz Channels 16 channels Channel spacing Wide 25kHz Narrow 12 5kHz PLL channel stepping 5kHz 6 25kHz Battery voltage 7 5V DC 20 Battery life 5 5 90 duty cycle with KNB 15A 1100mAh battery More than 8 hours Operating temperature range 30 C 60 C 22 F 140 F Frequency stability 0 0005 30 C 60 C Antenna impedance 50Ω Channel frequency spread 24MHz Di...

Page 39: ...7 R518 R519 R521 R524 R330 R525 R331 R526 R527 R333 R334 R335 R336 R339 C501 C503 TH500 C504 R540 C506 C508 R548 C510 C511 C512 C513 C514 C515 C516 C518 C327 VR500 BAL VR501 DEV C331 5 6 1 10 C333 C334 C335 C337 R6 C533 VR1 Q403 D505 L400 L402 IC500 C417 CN400 R421 R423 C422 C425 Q103 G S D Q104 Q106 S G D Q109 Q503 L500 L118 L502 R119 R122 R124 R125 R126 R130 R131 R132 R133 R134 R137 R138 R140 4 ...

Page 40: ...42 C143 C146 C147 D101 D102 D103 D104 L208 L209 L210 C33 R422 R424 R425 R428 R433 R434 C424 C430 TC2 D3 L501 L9 L15 C528 Q400 Q401 Q405 D502 C24 C30 C35 C36 C37 C40 C42 C43 C44 C45 C46 C47 C49 Q100 D1 D2 D5 D6 L101 L100 R100 R101 R103 R104 L10 L11 L13 L14 C102 R17 R18 R19 R23 R24 R25 R26 Q3 R27 Q4 Q5 Q6 Q7 4 5 G G S D G S D S D 3 1 R211 R214 R217 R220 R225 R243 C218 C219 C222 C236 Q101 B G S D C E...

Page 41: ...0p C121 1u C138 10p C147 10p C128 15p G C123 0 01u L109 C131 1000p R123 ANT 0 C135 27p C146 20p L108 5T L110 3T C143 8p C136 39p C133 1000p L113 7T C129 10p C L118 1u R128 270 L114 5T R127 270 C140 10p C144 9p D102 HSC277 D103 HSC277 L115 6T C402 1000p C406 1000p R507 4 7k C404 1000p C403 1000p IC400 BD4840G TR 1 VoUT 2 VDD 3 GND 4 NC1 5 NC2 1 A0 2 A1 3 A2 4 GND 5 6 7 8 R513 15k C533 0 1u C412 10p...

Page 42: ...FMMT717 2SK1824 A Q8 D6 2SC4617 S MA2S111 F Q5 Q7 2SJ243 A UMC4 D3 D4 1SV283F x2 IC403 38268MCA060GU IC401 AT24CO8A 10SU18 IC402 R3111N 451C F Q405 UPA 672T A IC400 BD4840G TR IC404 XC6201 P502PR Q1 2SC4649 N P Q201 2SC4649 N P Q202 3SK318 Q203 3SK318 IC200 TA31136FNG Q307 2SK1588 AZ Q302 2SK1824 A D502 1SR154 400 D300 DA221 IC302 TA7368FG L203 L214 D201 D202 L208 L209 L210 D203 D204 D205 Q305 2SA...

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