Pioneer SX-20-K Service Manual Download Page 22

Page: 22 / 65

SX-20-K

5.2 DETECTION CIRCUIT

265

CEME

R510R

R51

R325R

R32

R326R

328R

328L

C202

536

R27

306

211

R714

C340R

R32

C31

C34

C31

Q308L

L301R

R32

R342R

R342L

535

531

533

Q215

Q211

R713

10K

R23

R71

C23

R26

10K

Q21

C34

D301L

R327R

L301L

R20

210

D301R

Q308R

537

532

Q212

Q210

Q214

R26

R28

Q307R

Q306R

Q306L

Q307L

MAIN ASSY

Summary of Contents for SX-20-K

Page 1: ...ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2012 2012 Printed in Japan STEREO RECEIVER VOLUME TUNE PRESET MEMORY STANDBY A SPEAKERS B PHONES TONE BALANCE SX 20 STANDBY ON SX 20 K RRV4392 STEREO RECEIVER SX 20 K SX 20 S THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Model Type Power Requirement Remarks SX 20 K YXE8 AC 220 V to 230 V SX...

Page 2: ...4 9 2 EXTERIOR SECTION 46 10 SCHEMATIC DIAGRAM 50 10 1 MAIN ASSY 1 2 50 10 2 MAIN ASSY 2 2 52 10 3 FRONT LED POWER SW SPK SW AB RMC and HP ASSYS 54 11 PCB CONNECTION DIAGRAM 56 11 1 MAIN ASSY 56 11 2 FRONT POWER SW HP LED RMC SPK SW AB GUIDE C and GUIDE R ASSYS 60 12 PCB PARTS LIST 64 This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer ...

Page 3: ... free soldering the tip temperature of a soldering iron must be set to around 373 ºC in general although the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of the soldering iron Do NOT use a soldering iron whose tip temperature cannot be controlled Compared with eutectic solders lead free solders have higher bond strengths but slow...

Page 4: ...o 108 MHz Antenna Input FM 75 Ω unbalanced Frequency Range AM 531 kHz to 1602 kHz Antenna AM Loop antenna Miscellaneous Power requirements AC 220 V to 230 V 50 Hz 60 Hz Power consumption 210 W In standby 0 3 W Dimensions 435 mm W x 142 5 mm H x 364 mm D Weight without package 8 3 kg Accessories Accessories Remote control 1 AAA IEC R03 dry cell batteries 2 AM loop antenna 1 FM wire antenna 1 Power ...

Page 5: ...ld not be defective 2 Check each input and main VOL check the operation of selector The sound is output by selecting an analog connected input with a selector and the sound volume should change by rotating main VOL knob 3 Check the tone control balance and function The sound quality or right and left balances should change by rotating each VOL knob 4 Check DIRECT functions The tone control should ...

Page 6: ...10 IL 2 POWER SW ASSY 7028072763010 IL 2 SPK SW AB ASSY 7028072764010 IL 2 RMC ASSY 7028072765010 IL 2 HP ASSY 7028072766010 IL 2 GUIDE C ASSY 7028072767010 IL 2 GUIDE R ASSY 7028072768010 IL Mark No Description Part No Mark No Description Part No LIST OF ASSEMBLIES NOTES Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List The mark found on some compon...

Page 7: ...7 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F ...

Page 8: ...8 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM B FRONT ASSY 7028072761010 IL 7028072771010 IL MAIN ASSY A 1 2 A 2 2 A ...

Page 9: ...9 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F G SPK SW AB ASSY 7028072764010 IL C POWER SW ASSY 7028072763010 IL E LED ASSY 702807276 2010 IL F RMC ASSY 702807276 5010 IL D HP ASSY 7028072766010 IL ...

Page 10: ...10 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 4 2 SIGNAL BLOCK DIAGRAM B FRONT ASSY MAIN ASSY A IC605 IC601 IC101 FLT400 IC400 IC700 IC105 IC104 IC103 IC106 PACK101 ...

Page 11: ...11 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F IC502 IC503 IC301 ...

Page 12: ...SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 4 3 LEVEL and POWER SUPPLY BLOCK DIAGRAM AC 0 20A S3 FLT DC 0 4A S2 15V 15V DC3 95A S1 AMP B B SUB TRANS AC CORD MAIN TRANS POWER DIAGRA LEVEL DIAGRAM IC605 IC700 IC601 ...

Page 13: ... K 5 6 7 8 5 6 7 8 A B C D E F AC 0 20A S3 FLT DC 0 4A 1N4007 1N4007 1SS133T 1N4007 1N4007 1SS133T 1 50 ST_BY RLY MTZ2 4B S2 15V 15V DC3 95A S1 AMP B B POWER_DOWN MTZJ5 6B RESET SUB TRANS MAIN TRANS WER DIAGRAM ...

Page 14: ...e Amp 16dB C436 NM R403 NM WIRE402 CHGND AC from Main Trans FL FL uCOM CPU EEPROM ST3 3V ST3 3V V 15V V 15V C167 10uF C166 10uF T OUT_ 5V V 15V REFERENCE POINT V 6V V 6V J367 NM J369 NM J370 NM J159 NM J311 0 ohm SACD CD NETWORK REC_IN REC_OUT PHONO TUNER BD109 NM R804 0 ohm J393 0 ohm C713 0 022uF C715 NM Screw CHGND Screw CHGND Screw CHGND Screw CHGND C132R NM C707R 47uF C132L NM C707L 47uF GW1 ...

Page 15: ...C318R 0 047uF R331A NM C318L 0 047uF GT6 CHGND GT7 CHGND J116 0 ohm J392 0 ohm SP_B_Rch SP_A_Rch SP_A_Lch SP_B_Lch C342L R 100uF C343L R NM C344L R 100uF C345L R 330pF C340L R 100uF C341L R NM C513 220uF C517 1000uF C530 100uF C536 470uF C502 47uF V 24V for RELAY V 3V for MUTE V 3V for MUTE MUTE CIRCUIT Power Amp 27dB V 24V for RELAY R463 NM CHGND S_GND Power AMP A_GND 15V A_GND Relay CPU GND subt...

Page 16: ... SACD CD A sound does not come out from Speaker_A A protection circuit works See 6 SERVICE MODE No No Yes Yes Yes Yes IC301 is defective or its solder is defective IC101 is defective or its solder is defective Is a AC wave in the D516 anode side Yes D516 to D519 are defective or Those solders are defective D515 or D523 is defective or its solder is defective DZ502 is defective or its solder is def...

Page 17: ...ive or its solder is defective C122L R solder is defective No Q314L R Q316 Q317 are defective or those solders are defective Q315 is defective or its solder is defective C601L R solder is defective No R218 or R215 is defective or its solder is defective Check the 15 V power supply Power Amp block is defective Check a solder of Power Amp block RLY302 is defective or its solder is defective Q314 is ...

Page 18: ...6R solder is defective IC605 is defective or communication defective or its solder is defective NETWORK No sound Does a sound come out from SACD CD input No See Speaker_A No Sound A sound does not come out from NETWORK input I Is there signal in IC605 pin 2 pin 31 Check the C106L R pin Product state Power cord connection 230 V 50 Hz Unit POWER SW ON Power ON operation by remote control SPEAKER A s...

Page 19: ...SW ON Power ON operation by remote control SPEAKER A selection INPUT TUNER FM AM Tuner setting FM IC105 or IC106 is defective or its solder is defective Check the 15 V power supply IC101 is defective or its solder is defective PACK101 solder is defective No C708L C708R C710L C710R are defective or those solders are defective IC700 is defective or its solder is defective PACK101 is defective or its...

Page 20: ...FL_CLK FL_DOUT on FRONT Assy side B Is there DC 30V in MAIN Assy 30V Check the J304 No No No Is there communication waveform in MAIN Assy FL_CLK FL_DOUT Check the FPC101 pin 9 pin 10 No Is there DC 3 3V in FRONT Assy FL_SW RLY Check the FPC400 pin 15 on FRONT Assy side B Does the STADBY LED Red light at standby state Is there AC waveform signal in R400A R403A Check the FRONT Assy side B Product st...

Page 21: ...ut No No No See Speaker_A No Sound Remote control unit does not work I Is there signal in RMC Check the R270 Is there signal in RMC on FRONT Assy Check the FPC400 pin 14 on FRONT Assy side B Product state Power cord connection 230 V 50 Hz Unit POWER SW ON Power ON operation by remote control SPEAKER A selection INPUT SACD CD IC101 is defective or its solder is defective FPC101 or FPC400 solder is ...

Page 22: ... R324L R714 1M C340R R325L C313R C340L C342L C313L Q308L L301R R327L R342R R342L Q405 R426 R535 R531 R533 C224 Q215 R287 C128 R259 R274 C225 Q211 R713 1M 10K R232 R288 C234 R712 1M C233 R264 10K Q216 C342R D301L R327R L301L R203 Q218 C129 R256 R294 R235 CP210 D301R Q308R R537 R532 Q212 R268 1K Q210 R255 C235 1K R263 Q214 R267 NM R289 Q307R Q306R Q306L Q307L Q217 R276 NM A MAIN ASSY A MAIN ASSY A M...

Page 23: ...NC FLT_CLK 60 P02 SO11 P33 TI51 TO51 INTP4 21 VOL_LATCH FLT_DOUT 61 P01 TI010 TO00 P63 20 NC RMC 62 P00 TI000 P62 EXSCL0 19 PORT_POWER PWR_KEY 63 P141 BUZ INTP7 P61 SDA0 18 PORT_DC P_DN 64 P140 PCL INTP6 P60 SCL0 17 NC P123 XT1 FLMD0 REGC Vss Evss V DD EV DD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PORT_ASO REC_MUTE MAIN_MUTE NC NC RESET NC H P_RLY FLMD0 SPK A_RLY SPK B_RLY REGC Vss Evss V DD EV DD ...

Page 24: ...nput pin 39 NC NOT USED 40 NC NOT USED 41 PWR_LED O Power LED control signal 42 RX I UPGRADE Mode Pin 43 TX O UPGRADE Mode Pin 44 NC NOT USED 45 24C16_SCLK O Clock signal output for data backup of main CPU 46 24C16_SDA I O Data signal input output for data backup of main CPU 47 AVREF 3 3V power supply 48 AVSS Ground 49 KEY1 I A D Data input for Key1 port 50 KEY2 I A D Data input for Key2 port 51 S...

Page 25: ...put 1 2 Serial enable input active low used as device select in 3 wire and SPI operation and address selection in 2 wire operation Serial Clock input 3 Serial data input output 4 Tuner Vcc 5 0 V DC 50 mA max 5 General purpose output or interrupt pin GND 6 7 Right audio line output in analog output mode 8 Left audio line output in analog output mode 9 KSE TUNER L OUT R OUT VCC SDIO 1 1 RST 2 2 SEN ...

Page 26: ...s system The A0 and A1 pins are no connects and can be connected to GND The CW24C16 does not use the device address pins which limits the number of devices on a single bus to one The A0 A1 and A2 pins are no connects and can be connected to GND 2 A1 3 A2 5 SDA Serial address and data I O The SDA pin is bi directional for serial data transfer It is an open drain pin therefore the SDA bus requires a...

Page 27: ...27 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F J040739100010 IL MAIN ASSY IC605 NJU7391A_Vol IC Pin Arrangement Top view Block Diagram Pin Function ...

Page 28: ...28 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 J126111700041 IL MAIN ASSY IC301 IL1117_3 3V Regulator Pin Arrangement Block Diagram 1 ADJ GND 2 Output 3 Input Pin 2 connected with heatsink ...

Page 29: ...I_ 9V Regulator J126781500000 IL MAIN ASSY IC502 KIA7815API_ 15V Regulator Pin Arrangement 1 2 3 ITEM OUTPUT VOLTAGE Typ KIA7805API 5 KIA7806API 6 KIA7809API 9 KIA7815API 15 Block Diagram 1 INPUT 2 GND 3 OUTPUT R1 R22 Q11 R17 Q12 R12 R11 R13 Z1 1 3 2 INPUT OUTPUT GND Q13 Q18 Q17 Q3 Q4 Q11 1 Q5 C1 Q7 Q8 Q10 Q1 Q6 Q19 Q14 Q9 Q2 R18 R2 R3 R4 R5 R6 R8 6 1 R 1 2 R R20 R10 R23 R7 R19 Q16 R9 R14 R15 Q15 ...

Page 30: ...ck Diagram 1 GND 2 INPUT 3 OUTPUT 1 2 3 ITEM OUTPUT VOLTAGE Typ KIA7906PI 6 KIA7915PI 15 R0 D4 Q17 R14 R15 R16 R19 Q20 R18 Q18 Q28 Q29 Q30 Q4 Q5 Q7 Q6 Q21 Q31 Q23 22 8 Q 2 R Q2 Q3 1 R Q19 21 R R20 17 R Q24 22 R 23 R R24 25 R Q25 12 Q 13 Q 26 Q 26 1 Q 27 1 Q 27 Q 9 Q 5 R 2 C 11 Q 7 R 6 R 9 R 15 Q 14 Q 16 Q 8 R 10 R 4 R 1 C 10 3 R R13 R12 11 R Q 26 R Q OUTPUT INPUT GND 3 2 1 ...

Page 31: ...31 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F J127163150010 IL FRONT ASSY IC400 SC16315_VFD DRIVER CONTROLLER IC Pin Arrangement Top view Block Diagram ...

Page 32: ...32 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 Pin Function ...

Page 33: ...P R W 0 0 7 Basic operations How to enter During Standby mode simultaneously press and hold the FM AM and TUNE PRESET buttons for 2 seconds to enter this mode 5 normal 2 usually 2 Reset mode for numbers of protection detections Key Operation FL Display STANDBY state FM AM TONE buttons press and hold the keys for 5 seconds Time sec Description of Indications Purpose For clearing all the counts of p...

Page 34: ...t ON unless you perform the procedures described in How to cancel the status after detection of a DC or POWER PROTECTION error A S C D C D A S C D C D RECEIVER POWER OFF Basic operations 3 1 DC AMP is abnormality error detection Processes when a DC AMP abnormality error is detected How to enter exit During Standby mode simultaneously press and hold the FM AM and l buttons for 2 seconds to enter th...

Page 35: ...TION detection Time sec Description of Indications Immediately after a POWER PROTECTION error is detected muting is turned ON and speaker relay is turned OFF then the unit is turned OFF If the unit automatically shuts itself OFF after such an error is detected no key input will be accepted afterward The power will not be turned ON To turn it on again see 4 How to cancel the status after detection ...

Page 36: ...y default Use the front panel controls to do this 1 When power is in standby mode hold SACD CD button and MEMORY button depressed simultaneously for two seconds 2 When you see RESET appear in the display press TONE DIRECT button OK appears in the display to indicate that the receiver has been reset to the factory default settings STEREO RECEIVER VOLUME TUNE PRESET MEMORY TONE BALANCE SX 20 1 2 1 ...

Page 37: ...nplug the power cord 2 Remove the Cabinet Refer to the 2 1 Cabinet 3 Connect J319 B of the MAIN ASSY to J289 B or J290 B with a resistor of 47 to 100Ω 2W or more Discharge time 30 to 60 sec according to the resistor 4 Check by a tester if the voltage of each B and B terminal is 1 V or less Connect the tester s GND terminal to a Chassis If the voltage is higher than 1V repeat the step 3 1 2 FL 30V ...

Page 38: ...sec according to the resistor 4 Check by a tester if the voltage of 30V terminal is 1 V or less Connect the tester s GND terminal to a Chassis If the voltage is higher than 1V repeat the step 3 2 Disassembly 2 1 Cabinet 1 Remove the six screws S 20 K 1500040083B10 IL S 20 S 1500040084B10 IL 2 Remove the five screws B020030103B11 IL 3 Remove the Cabinet 2 2 Front Section Remove the Cabinet Refer to...

Page 39: ...nect the two connectors Note When you carry out the diagnosis of the Front Section it is not necessary to disconnect the connectors Note on assembling When you attach each unit styling and connection of cables as shown in the photo 5 Remove the five screws S 20 K B020030083B10 IL S 20 S B020030084B10 IL 6 Remove the two screws B020030061B10 IL 7 Unhook the two Hooks of the Panel Frame and remove t...

Page 40: ...B10 IL Note When you carry out the diagnosis of the Front Section it is not necessary to remove the screw Note on assembling When you attach each unit styling and connection of cables as shown in the photo 2 3 MAIN ASSY Remove the Cabinet Refer to the 2 1 Cabinet 1 Disconnect the two terminals 2 Remove the Speaker Sheet with the Screw Cover 3 Remove the nine screws B020030103B11 IL 4 Remove the Ba...

Page 41: ...h unit styling and connection of cables as shown in the photo 6 Disconnect the four connectors Note on assembling When you attach each unit styling and connection of cables as shown in the photo 7 Remove the six screws B018230141H11 IL 8 Remove the three screws B020030081B10 IL 9 Remove the five screws B020030181B10 IL 10 Remove the MAIN ASSY Note on assembling 1 Apply even coatings of silicon gre...

Page 42: ...E PNP 2SB Semi TR GE NPN 2SC Semi TR GE NPN 2SD 11 11 Remove the soldering at 18 points and then remove the six transistors Remove the Front Section Refer to the 2 2 Front Section 1 Arrange the unit as shown in the photo 4 1 Direction of Insulator 1 Align the mark at under surface of the Insulator with the direction of photo ...

Page 43: ...43 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F 8 EACH SETTING AND ADJUSTMENT There is no information to be shown in this chapter ...

Page 44: ...List The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to b mark on product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate ...

Page 45: ...707000007450 IL 6 Safety Brochure 5227000002540 IL 7 Box Gift See Contrast table 2 NSP 8 AAA Size IEC R03 Dry Cell Batteries x2 NSP 9 Poly Bag 6337040062010 IL NSP 10 Warranty Card ARY7158 NSP 11 Sheet SP Caution NSP 12 Label VRW1629 13 Power Cord L068250160020 IL 14 15 Operating Instructions CD ROM 6517000001020 IL 16 FM Wire Antenna E605010140010 IL 17 AM Loop Antenna E601019000010 IL Mark No De...

Page 46: ...46 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 9 2 EXTERIOR SECTION 1 x9 x3 x3 x2 x2 x2 x2 x4 B C E F G D ...

Page 47: ...47 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F 1 x9 x5 x3 x3 x5 x6 x6 x5 x2 x15 x2 x2 x2 x4 x4 A A A ...

Page 48: ...L 33 GUIDE C ASSY 7028072767010 IL 34 MAIN ASSY 7028072771010 IL 35 Tuner FM AM E903104100780 IL 36 RCA Jack G601207AE020Y IL 37 TER RCA 4Pin G6020421E070Y IL 38 TER Board Screw 8P G614108V1020M IL 39 Back Chassis See Contrast table 2 40 Socket power AC G430040560021 IL NSP 41 Sheet Speaker 42 Screw Cover 4050211745100 IL NSP 43 Bushing NSP 44 Terminal 45 Cabinet See Contrast table 2 46 Sheet Hime...

Page 49: ...49 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F ...

Page 50: ...R351L 0 R700R R709R 470 R110R 220 470K R104L 470K R106R 470K R116R 4 7 50 C703R 2N2 EB 100V C704R R149 10K R703L 680 10 50 C103L C109R 10 50 100K R150L 100K R150R R706R 560 C135 NM C180 10 50 DZ504 NM C710R 10 50 J311 JUMPER C117L 6N8 EB 100V 220N EB 100V C119L C118R 47N C111R 4N7 C121 10 50 NM C132 R287 10K C224 100N K 100K R273 4 7 50 C122L D111 1SS133T 8 5 6 7 UTC4580 4 3 2 1 UTC4580 R1000 470 ...

Page 51: ...C312L 100P 500V R317L 100 1 MTZJ3B6 DZ304 R536 27K R539 JUMPER R372 0 1 5W R373 0 1 5W R370 0 1 5W Q300 KTC3875 C517 1000 35 12 5 20 6800 80 30 60 C510 2K2 R327R C309 22N Z 1N5408 D527 J272 JUMPER NM C523 C303 470 16 10 20 R501 2K2 Q320 KRC107M RLY301 G5PA 28 R801 10 2012 R271 8K2 47N EB 100V C318R J331A NM CP503 AC2P CN503 CP501 CP210 SPEAKER A SPEAKER B 330P EB 100V C345R 1 2 3 4 CP301 R293L 0 D...

Page 52: ...36 1K R248 J295 JUMPER 220 6 3 C160 NM EB C168 15V PWM_LED C447 NM 2012 C448 NM R258 47K R253 100 0 R235 FL_SW RLY VOL UP R269 0 R272 220 1 2 3 4 5 6 8 7 9 CP106 R249 10K D135 KDS4148U Q137 KRC102S R240 10K 1K R223 R193 47 R196 47 R197 0 R198 47 R199 47 C169 0 47 50 R251 47K R247 1K R195 47 10K R232 J310 JUMPER R200 47 C161 100N K R712 1M 2012 R207 47 DZ106 MTZ2 4B 1K R224 1 2 3 57 58 59 60 61 62 ...

Page 53: ...00P R210 0 C172 10N R137 4K7 C163 100P J C164 10N K J404 JUMPER J405 JUMPER Q137 KRC102S R240 10K 0 R234 47 R221 1K R223 R227 220K C442 NM EB C441 NM 2012 1 2 3 4 5 6 7 8 IC102 CW24C16DR ADR 47 0 47 47 47 50 C443 NM R237 47 0 R261 470 R238 22 R245 22 R242 0 R262 R244 10K 1K 47 10K 47 C444 NM 2012 C445 NM EB C440 NM R714 1M 47 R236 0 R260 22 R243 22 R239 R207 47 C176 220P EB 100V C173 220P EB 100V ...

Page 54: ...EB C434 NM 2012 C425 NM C431 NM 330 25 C439 C438 100N EB 100V C435 NM C436 NM C461 NM R403L 0 C459 NM 1 2 3 4 CN405 C460 NM 2012 C458 NM 2012 C455 NM 2012 CP301 A 1 2 CP402 B CP500 B CN500 C CN402 G HP Audio Signal Route Headphone L ch HP B FRONT ASSY 7028072761 G SPK SW AB ASSY 7028072764010 IL C POWER SW ASSY 7028072763010 IL E LED ASSY 7028072762010 IL F RMC ASSY 7028072765010 IL D HP ASSY 7028...

Page 55: ... DN FL_CLK ST BY LED KEY1 3V3 GND FROM POWER TRANS NM C451 NM C457 100P GND_BLED C452 NM 2012 C453 NM EB GND RMC FL_CE KEY2 GND PWR_KEY FL_DATA C456 100N 2012 30V NM C440 NM 2012 C441 NM EB C442 C445 NM EB C444 NM 2012 C443 NM NM 2012 FPC101 A 2 2 RONT ASSY 7028072761010 IL ...

Page 56: ...11 1 MAIN ASSY A SIDE A A MAIN ASSY D CN405 CP501 CP301 AC INLET S1 of POWER TRANS CP504 S2 of POWER TRANS POWER TRANS CP602 CP503B CP503A Q502 IC503 IC502 Q501 Q313 Q308R Q304L Q303L Q302L Q113 Q107 IC104 Q302R Q30 Q307R Q307L Q305L Q306L Q304R Q308L Q105 Q106 Q320 ...

Page 57: ... necessary parts for several destinations For further information for respective desti nations be sure to check with the sche matic diagram Capacitor Connector P C Board Chip Part SIDE A SIDE B 2 View point of PCB diagrams B FPC409 FPC101 POSISTOR CP210 Q107 04 Q302R Q303R Q306R Q305R 307R IC106 IC105 IC103 Q304R ...

Page 58: ...58 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 A SIDE B A MAIN ASSY FPC101 CP210 Q137 Q553 IC605 IC601 Q551 Q316 Q317 Q217 Q212 Q218 Q214 Q211 Q213 Q405 Q215 Q210 Q314L Q314R Q315 Q552 IC700 Q138 IC102 ...

Page 59: ...59 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F A SIDE B CP501 CP301 CP504 CP602 CP503B CP503A IC301 Q300 ...

Page 60: ...A B C D E F 1 2 3 4 11 2 FRONT POWER SW HP LED RMC SPK SW AB GUIDE C and GUIDE R ASSYS B C E F G SIDE A B FRONT ASSY E LED ASSY G SPK SW AB ASSY D F RMC ASSY C POWER SW ASSY CP500 CN500 CN403 CP403 CP402 CN404 CP404 CN402 ...

Page 61: ...61 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F D B SIDE A D HP ASSY GUIDE C ASSY GUIDE R ASSY A CP301 CN405 F FPC101 FPC409 ...

Page 62: ...62 SX 20 K 1 2 3 4 A B C D E F 1 2 3 4 D B SIDE B B FRONT ASSY D HP ASSY GUIDE C ASSY GUIDE R ASSY CN405 FPC409 ...

Page 63: ...63 SX 20 K 5 6 7 8 5 6 7 8 A B C D E F B C E F G SIDE B E LED ASSY G SPK SW AB ASSY F RMC ASSY C POWER SW ASSY CP500 CN500 CN403 CP403 CP402 CN404 CP404 CN402 ...

Page 64: ...8072761010 IL 2 LED ASSY 7028072762010 IL 2 POWER SW ASSY 7028072763010 IL 2 SPK SW AB ASSY 7028072764010 IL 2 RMC ASSY 7028072765010 IL 2 HP ASSY 7028072766010 IL 2 GUIDE C ASSY 7028072767010 IL 2 GUIDE R ASSY 7028072768010 IL Mark No Description Part No A MAIN ASSY SEMICONDUCTORS IC 101 8952SS2000010 IL IC 102 J000241600170 IL IC 103 J126780500110 IL IC 104 J126780900020 IL IC 105 J126780600130 ...

Page 65: ...619AG0Y IL E LED ASSY SEMICONDUCTORS D 8401 K500036001450 IL F RMC ASSY MISCELLANEOUS U 401 MODULE REMOCON E940349003810 IL G SPK SW AB ASSY SEMICONDUCTORS D 8400 K500032001160 IL MISCELLANEOUS S 400 401 SWITCH G180501000010 IL PCB TTL ASSY FRONT MISCELLANEOUS GUIDE R ASSY 7028072768010 IL GUIDE C ASSY 7028072767010 IL Mark No Description Part No ...

Search results

Summary of Contents for SX-20-K

Reviews:

Related manuals for SX-20-K

Brands by name

Popular brands

Pioneer SX-20-K, Service Manual

Search results

Summary of Contents for SX-20-K

Reviews:

Related manuals for SX-20-K

Brands by name

Popular brands