Pioneer SX-SW77 Service Manual Download Page 11

Page: 11 / 72

SX-SW77

(1) DISPLAY UNIT PARTS LIST

(2) CONTRAST TABLE

SX-SW77/WYXCN, WVXCN, SX-SW55/WYXCN, WVXCN and SX-SW950/KUXCN are constructed the same
except for the following:

Mark No.

Description

Part No.

FL Assy

AWU8271

CONNECT Assy

AWU8272

Leg

AEB7368

Window

AAK8285

FL Filter

AEC7535

Display Panel

AMB7899

Display Cover

AMC7059

PWR Button Assy

AXG7260

Pioneer Name Plate

VAM1152

Screw

BPZ30P080FNI

Screw

PSZ30P060FNI

DISPLAY Unit

See Contrast table (2)

Mark No.

Symbol and Description

SX-SW77/

WYXCN

SX-SW77/

WVXCN

SX-SW55/

WYXCN

SX-SW55/

WVXCN

SX-SW950/

KUXCN

12 DISPLAY Unit

AXX7204

Not used

NSP

12 DISPLAY Unit

Not used

AXX7205

Summary of Contents for SX-SW77

Page 1: ...1 Singapore 159936 PIONEER CORPORATION 2005 STANDBY ON VOLUME AUDIO INPUT SURROUND SX SW77 RRV3158 AUDIO MULTI CHANNEL RECEIVER SUBWOOFER SX SW77 SX SW55 SX SW950 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Model Type Power Requirement Remarks SX SW77 WYXCN AC220 240V SX SW77 WVXCN AC220 240V SX SW55 WYXCN AC220 240V SX SW55 WVXCN AC220 240V SX SW950 KUXCN AC120V For details refe...

Page 2: ...re often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Se...

Page 3: ...he product Please check that neither solder debris nor screws remain inside the product 8 There should be no semi broken wires scratches melting etc on the coating of the power cord Damaged power cords may lead to fire accidents so please be sure that there are no damages If you find a damaged power cord please exchange it with a suitable one 9 There should be no spark traces or similar marks on t...

Page 4: ...ING THE ROTATION SPEED OF THE FAN 47 7 1 7 DISASSEMBLY 48 7 2 IC 51 8 PANEL FACILITIES 67 1 SPECIFICATIONS Amplifier section RMS Power Output SX SW950 Front Center Surround 1 kHz 10 THD 6 Ω Subwoofer FTC Power Output Front Center Surround 200 Hz 20 kHz 1 THD 6 Ω Subwoofer 50 W 45 Hz 200 Hz 1 THD 6 Ω FM tuner section Frequency range 87 5 MHz to 108 MHz Antenna 75 Ω unbalanced AM tuner section Frequ...

Page 5: ...d design subject to possible modification without notice due to improvements Manufactured under license from Dolby Laboratories Dolby Pro Logic and the double D symbol are trademarks of Dolby Laboratories DTS and DTS Digital Surround are registered trademarks of Digital Theater Systems Inc SYSTEM CONNECTOR SPEAKERS DVD DVR 2 OPTICAL AC IN CENTER SURROUND DVD DVR 1 COAXIAL DIGITAL AUDIO INPUT ANTEN...

Page 6: ...e parts of identical designation Screws adjacent to 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 NOTES 8 7 6 4 SX SW77 only SX SW77 only SX SW55 SX SW950 only SX SW77 SX SW55 only WVXCN KUXCN only WYXCN WVXCN only 2 5 3 1 11 12 22 22 22 10 9 24 2 ...

Page 7: ... 26 Packing Case SW See Contrast table 2 27 Packing Sheet AHG7125 28 Packing Sheet L AHG7128 Mark No Description Part No Mark No Symbol and Description SX SW77 WYXCN SX SW77 WVXCN SX SW55 WYXCN SX SW55 WVXCN SX SW950 KUXCN 2 Cord with Mini Plug ADE7114 ADE7114 ADE7114 ADE7114 Not used 3 Optical Fiber Cable ADE7116 ADE7116 Not used Not used Not used 4 Cord with Plug ADE7117 ADE7117 Not used Not use...

Page 8: ... 2 2 EXTERIOR A A B B A F B E CONTACT SIDE NON CONTACT SIDE 38 37 6 10 36 39 39 18 39 40 39 39 39 39 39 39 39 12 19 28 19 22 21 9 27 2 7 8 1 11 15 16 4 5 13 30 25 23 24 31 20 29 26 39 39 39 39 39 39 14 39 17 39 3 39 Cleaning paper GED 008 ...

Page 9: ...20 Packing AEC7548 NSP 21 Barrier SW AEC7552 NSP 22 Barrier AC AEC7553 NSP 23 Duct Ring AMR7511 NSP 24 Paper Tube 60 AMR7512 NSP 25 Acoustic Absorbent AMV7001 NSP 26 Mesh ANC8354 NSP 27 Ferrite Clamp DTH1158 NSP 28 PCB Holder PNW2029 NSP 29 Cosmetic Baffle See Contrast table 2 NSP 30 Cabinet AMM7009 31 Pioneer Name Plate VAM1152 32 Baffle Assy See Contrast table 2 33 34 35 36 Screw BBZ40P120FNI 37...

Page 10: ...SX SW77 10 1 2 3 4 1 2 3 4 C D F A B E 2 3 DISPLAY UNIT D C 11 10 10 7 3 1 2 5 8 1 2 9 4 12 6 8 2 2 ...

Page 11: ...2 3 Leg AEB7368 4 Window AAK8285 5 FL Filter AEC7535 6 Display Panel AMB7899 7 Display Cover AMC7059 8 PWR Button Assy AXG7260 9 Pioneer Name Plate VAM1152 10 Screw BPZ30P080FNI 11 Screw PSZ30P060FNI 12 DISPLAY Unit See Contrast table 2 Mark No Symbol and Description SX SW77 WYXCN SX SW77 WVXCN SX SW55 WYXCN SX SW55 WVXCN SX SW950 KUXCN 12 DISPLAY Unit AXX7204 AXX7204 AXX7204 AXX7204 Not used NSP ...

Page 12: ...AC INLET ASSY LIVE NEUTRAL ADX7487 B GND VFDP FL DC FL DC GNDD POWER CONT VS 3R3 GND AWR7037 SW POWER SUPPLY VE 5 BEAT CUT VS 12 VSF 12 KUXCN AXX7172 WYXCN WVXCN AXX7170 TUNER MODULE 11pin FFC ADD7506 ANALOG INPUT ADX7485 VSM TXR 9V TXL GND CLK DI CE DO RDS BU1924FS ADX7486 GND RDS INPUT SELECTOR PCM1803DB FAN GNDF A D CONVERTER MCLK RDSDATA RDSCLK RDSPOW XADPDN ADDATA INPUTSELA FAN VXM1121 4 10 I...

Page 13: ...M1 3 DIGSEL DSP u COM WYXCN WVXCN AWK7883 KUXCN AWK7884 5 FLDATA 6 REMOCON 7 XFLCS 8 FLCK 9 VE 5 10 KEY1 1 GNDD 2 GNDD 3 VFDP 4 KEY2 SR FR SL FL TAS5112ADCA POWER IC IR FLDAT KEY IR SHUTDOWN XOTW DASDA DASCL XDAPDN DSPMUTE DIRDO DIRERR IC4602 TC74VHC00FTS1 75 76 49 74 14 13 12 3 5 8 2 5 1 73 63 37 IC5501 IC3101 IC3401 IC3301 IC3201 PDC128A IC951 TC74VHC08FTS1 IC601 IC801 4 12 77 79 67 100 5 6 7 27...

Page 14: ...2 CHASSIS FLDAT KEY2 1 2 1 2 2 2 2 2 DSP MUTE XDAMUTE ADMD XDSPMUTE XPROTECT KEY1 XFLCS FLCLK DIRERR STBY DESTINATION MODEL 2 2 1 2 PROTECT STBY TEST POINT UTEST STEST SHORT for NC NC XDSPMUTE DASDA DASCK LED XDEC MUTE DSPHREQ VSS4 NC VDD4 NC STEST UTEST XDSPSS XDSPRST FLCLK TXCE NC NC NC DSPCK NC DSPDI DSPDO NC PCONFIG XPROTECT NC NC FLDAT NC NC ADMD XFLCS VDD2 VSS2 EEP_CS EEP_DO EEP_SK TXCLK NC ...

Page 15: ...n WY WV KU otherwise specified Rated Voltage 50V unless CH CCSRCH 1608size others CKSRYB 1608size SQ CKSQ 2125size unless otherwise specified All Capacitors are in p pF or uF Ratings Capacity uF Voltage V NOTES 4 C1 3 D2 VFDP VFLDC VFLDC STBY 0 2SA1602A EF GNDD 6 8k 680 100k 2SC4081 QR 100k 0 2SA1602A EF GNDD GNDF STBY VNF1109 100 16 STBY VS 3R3 22uH LFEA220J VU 5 0 1 16 0 01 STBY UMF21N UMF21N 1S...

Page 16: ... R3023 C3022 C3021 GNDD STBY STBY 100p STBY STBY 0 CH 100p STBY 1000p 47 16 UDZS10 B CH 0 0 2SD1858X QR 0 560p 4 7k 0 01 4700p CH 2SC4081 QR 220 10 50 100 100 BU1924FS 0 01 47 16 4 332MHz ASS7004 CH 27p 27p CH 9604S 11C 2 7k 2 7k 0 0 0 470 2 7k GNDD VS 12 10 50 47k 2 7k 10 50 47k GNDD 330 27k 10 50 220p STBY CH 220p STBY 100k 22k 100k 22k VS 5 GNDD DTC124EUA 47k 0 01 TC4052BFN STBY 10 BA4558F HT 2...

Page 17: ...R STBY 100 STBY 100 100 47 0 10 50 100 100 0 STBY 1k VSA 5 PCM1803DB 0 1 16 STBY 0 VS 3D OUT IN All Resistors are in k k Ω M M Ω or Ω 1 10W RS1 10S J 2125size others RS1 16S J 1608size 1 8W RS1 8S J 3216size others CKSRYB 1608size others CEAT JQ CEJQ CH CCSRCH 1608size XADPDN LRCK TEST BYPAS PDWN AGND VCC VREF2 VREF1 VINR VINL unless otherwise specified All Capacitors are in p pF or uF NOTES SQ CK...

Page 18: ... STBY STBY 10k CH 470p 0 1 16 QTL1013 1 6 3 STBY 1 6 3 QTL1013 0 1 16 4 7k STBY CH 6p CH 6p 24 576MHz STBY 1M XSS3003 470 100 TC7WU04FU TC7WU04FU STBY CH 470p 0 1 16 CH 470p 1 6 3 1 6 3 DSP DSPC56371AF180 1 6 3 1 6 3 100 STBY 0 01 47k CH 470p 1 6 3 CH 470p 2 2k 47 1 6 3 0 1 16 ATL7002 100 10 STBY AL VS 1R2 ATL7002 100 16 STBY VS 3D 5 A4 AL CEAL others CEAT others RS1 16S J 1608size All Resistors a...

Page 19: ...2k 100 16 470p 0 1 16 CH QTL1013 CH STBY 22 22 22 47 100 100 STBY AK4117VF 10k STBY 1000p STBY 0 1 16 22 47 VS 5 100 GNDD GP1FAV51RKBF 220 STBY 0 1 16 100 16 VTL1076 100k 0 1 16 STBY 0 220 STBY 100k 0 1 16 100 16 VTL1076 0 1 16 TC74VHC00FTS1 GNDD 0 1 16 4 7k STBY 2 7k F 100 16 100 16 F VS 1R2 VS 3D 0 01 100 16 BA30E00WHFP STBY 0 220 220 0 01 1k VS 3D2 VTL1076 GP1FAV51RKBF VKB1159 CH 75 220p VS 5 T...

Page 20: ...33DBVR 0 1 16 0 SN74AHC1G04DBV VS 3R3 0 B5B PH K S VS 5 RAB4C472J AL ASS7062 10k 1 4 7k 10 16 RAB4C221J 220 0 1 16 0 1 16 GNDA AL 1000p RAB4C470J 47 RAB4C470J 47 TAS5508APAG 3 3 10 16 4 7 0 1 16 0 1 16 STBY STBY 0 1 16 0 1 16 220 0 01 0 01 0 1 16 220 47 10 16 AL 0 1 16 22 VS 3R3 RESET CONTROL CIRCUIT DASDA DASCK XDARST GNDD XDAPDN RST VS 5 SCL SDA for control by PC DVSS DVDD RESERVED XTL_IN XTL_OU...

Page 21: ...7112 0 1 1 10W 3 3 1000P ACN7112 0 1 0 01 STBY V B SHUTDOWN PCONFIG GND OUT IN B others RS1 16S J 1608size 1 10W RS1 10S J 2125size All Resistors are in k k Ω M M Ω or Ω AL CEAL others CEAT JQ CEJQ 1 8W RS1 8S J 3216size SQ CKSQ 2125size Ratings Capacity uF Voltage V otherwise specified Rated Voltage 50V unless CH CCSRCH 1608size others CKSRYB 1608size All Capacitors are in p pF or uF unless other...

Page 22: ...k 1 16 SQ 1k 1k 220 0 1 16 10k STBY 0 1 SQ 330p CH 1 8W 1 5 ACN7141 0 1 2 7 0 033 SQ 18 1 8W 18 1 8W STBY VG 12 TL 0 47 100 ATH7021 330p CH ACN7141 0 1 SQ 1 5 1SMA33CAT3G 2 7 0 033 SQ 1 8W 1SMA33CAT3G 1SMA33CAT3G 10uH 1SMA33CAT3G 0 1 SQ 1 5 ACN7141 330p 330p CH CH 1 8W 0 033 2 7 SQ 18 1 8W 18 1 8W ATH7021 10uH 4 7k 0 01 STBY 0 1 1 10W 1 0 1 STBY 1 4 7k ACN7141 0 1 SQ 2 7 0 033 1 8W SQ 0 1 1 5 STBY...

Page 23: ...434 C3440 R3430 C3436 R3438 C3450 CN3211 5 A4 1 16 SQ GNDD STBY 1 10W 820 1 10W 820 0 01 1000 35 0 01 3 3 1 10W 1000p V B27 STBY 0 1 4 7k 1 1 10W 0 01 STBY 1k 1k 1k 220 0 1 16 10k STBY 100 330p ACN7141 0 1 1 8W 1 5 SQ 2 7 0 033 SQ 1 8W CH 18 18 1 8W 330p CH 0 033 SQ 0 1 ACN7141 2 7 SQ 1 5 1 8W 330p 330p ACN7141 1 5 1 8W 0 033 0 1 SQ 2 7 SQ 1 8W CH CH 18 18 1 8W 0 1 16 4 7k STBY 47k 0 1 ACN7141 SQ ...

Page 24: ...LET ASSY others CKSRYB 1608size otherwise specified CH CCSRCH 1608size NOTES Rated Voltage 50V unless Ratings Capacity uF Voltage V unless otherwise specified All Capacitors are in p pF or uF LFEA J All Inductors are in uH RS1 16S J 1608size All Resistors are in k k Ω M M Ω or Ω 1000p 1000p GNDS 1000p GNDD GNDD 1000p 039 30040 000 XKP3084 UDZS8R2 B VFDP AL 0 022 47 6 3 STBY VE 5 XKP3066 XKP3077 AC...

Page 25: ...5 F VDD VSS VDD VSS VEE STANDBY ON VOL VOL SELECTOR INPUT SURROUND AWU8271 SR KEY FL DRIVER STBY FL SPACER AEB7367 x2 FL ASSY FL VSG1024 VSG1024 VSG1024 VSG1024 VSG1024 STBY 47 47 GP1UM27XK0VF 2 2k 3 3k 5 6k 220p 220p 220p 0 01 CH CH CH 220 STBY STBY STBY STBY 220 82k 220 PT6315 0 022 AL 47 35 AL AL 47 35 0 022 22 VE 5 STBY 47 6 3 STBY VFDP 0 022 STBY 0 022 10 AL STBY 47 35 STBY 1k 2SC4081 QR 47k ...

Page 26: ...SX SW77 26 1 2 3 4 1 2 3 4 C D F A B E 3 8 POWER SUPPLY UNIT CN1 E CN5 B ...

Page 27: ...SX SW77 27 5 6 7 8 5 6 7 8 C D F A B E CN3 CN2 POWER SUPPLY UNIT AWR7037 E E CN1001 A 1 5 CN3201 A 4 5 ...

Page 28: ... 1 2 3 4 C D F A B E 3 9 WAVEFORMS 1 IC3201 IC3301 IC3401 PWM_M PWM_P V 1 0V div H 2µsec div 2 IC3201 IC3301 IC3401 OUT_A B C D V 5 0V div H 2µsec div MAIN ASSY A GND GND 27 5Vp p in case of this unit Reference waveform ...

Page 29: ...d on this PCB include all necessary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regula...

Page 30: ...554 R5535 R5536 R5594 R5595 R5596 C5526 R5525 R5574 R5575 R5577 R5504 R5503 R5502 R5501 R5507 C5507 R5519 R5530 R5532 CN1001 R5528 R5527 R5526 D5501 R5529 R5549 Q5503 Q5501 R5531 Q5502 Q5504 C5519 R5517 R5567 IC601 R818 IC802 C816 R820 C819 X801 C3202 R3205 R3206 C3201 C3204 R3207 R3208 R3203 R3202 C820 R810 R811 C817 R819 R821 R822 C808 C810 L801 L802 C807 C809 R808 R809 C815 C814 C806 C805 C821 ...

Page 31: ...43 C3241 C3242 C3243 C3244 C3213 C3212 R3311 C3314 C3329 C3330 R3313 R3329 R3314 R3312 R3330 C3311 C3313 C3312 C3341 C3342 C3343 C3344 R3340 R3341 R3342 R3343 3001 C3007 C3008 C3023 Q3001 C3049 R3009 Q5703 IC3201 R3324 C3324 C3331 C3322 R3326 R3334 L3301 R3327 C3332 IC3301 R3325 C3321 R3332 R3321 R3331 C3328 R3333 C3302 R3322 R3328 R3323 C3326 L3302 C3327 C3325 C3301 C3323 C3402 C3424 R3433 R3430 ...

Page 32: ...7 C3335 C3336 C3339 R3336 C3433 C3417 C3440 D3414 C3438 R3437 C3418 R3417 C3437 R3435 D3411 C3416 R3415 R3438 D3413 C3415 C3434 C3439 R3436 D3412 R3416 C3435 C3436 R3418 C3193 C3194 R3200 L4603 C3247 C3248 C3249 C3250 C3347 C3348 C3349 C3350 C3447 C3448 C3449 C3450 R5711 R5708 13 1 FAN 2 GNDF 12 FL CN5701 FL 10 RDS 11 FL 10 FR 9 FR 8 C 7 C 6 SW 5 SW 4 SR 3 SR 2 SL 1 SL CN3211 11 VFDP SR SL SW C 1 ...

Page 33: ...C B A R C812 C811 R817 C813 R813 C614 R3030 C3044 R3046 R3045 C3122 1 SCL 5 GNDD 4 RST 3 VS 5 2 SDA 6 VSS 5 VCC 4 RST 3 WCLK 2 WDD 1 WEN DI CN5501 7 NC 11 VFDP 10 FL DC 9 FL DC 8 GNDD 7 POWER CONT 6 VS 3R3 5 GND 4 VE 5 3 BEAT CUT 2 VS 12 1 VSF 12 CN1001 CN3171 S TEST U TEST A SIDE B CN1001 ANP7545 C ...

Page 34: ...REMOCON GNDD GNDD GNDD KEY1 GNDD FLDC FLDC 10 FLDATA FLCK XFLCS VE 5 13 GNDS GNDS VFDP GNDD GNDD GNDD FLDC 1 2 3 4 5 6 7 8 9 10 11 12 C5654 D5654 D5652 D5651 D5657 D5655 C5652 C5653 D5653 C5651 2 1 PRIMARY SECONDARY AC INLET ASS Y AWU8273 A 1 4 AWU8274 AN1 CN5 KN1 H1 H2 C1 C2 W126 2 1 LF LIVE NEUTRAL AWU8273 AWU8274 CONNECT ASSY C AC INLET ASSY B C B SIDE A SIDE B CN5901 D CN5651 CN5651 CN5652 CN5...

Page 35: ...W117 W101 W107 W108 W106 W122 W120 W125 1 13 1 1 1 2 1 4 4 3 4 3 3 LF GNDD GNDD GNDD GNDD GNDD GNDD GNDD KEY1 REMOCON 1 KEY2 5 VFDP 13 VE 5 XFLCS FLCLK 10 FLDATA FLDC FLDC VFDP FLDC GNDD GNDD STANDBY ON GNDD VOUT VCC GND C B A GNDS GNDS VE 5 GNDD VFDP VE 5 GNDD R5903 R5901 R5902 C5920 C5921 C5922 C5915 C5919 C5911 C5914 C5912 D5901 C5917 C5916 D5902 R5952 R5951 C5951 R5953 R5963 R5964 R5965 R5904 ...

Page 36: ...SX SW77 36 1 2 3 4 1 2 3 4 C D F A B E 4 4 POWER SUPPLY UNIT SIDE A SIDE A POWER SUPPLY UNIT E E E CN1 CN3201 A CN5 B CN2 CN1001 A CN3 ...

Page 37: ...SX SW77 37 5 6 7 8 5 6 7 8 C D F A B E SIDE B SIDE B POWER SUPPLY UNIT E E E CN1 CN2 CN3 ...

Page 38: ... x 103 R50 1R0 561 473 5 62k Ω RN1 4PC F 562 x 10 1 5621 Mark Symbol and Description SX SW77 WYXCN SX SW77 WVXCN SX SW55 WYXCN SX SW55 WVXCN SX SW950 KUXCN 1 MAIN ASSY AWK7883 AWK7883 AWK7883 AWK7883 AWK7884 1 DISPLAY ASSY AWM8010 AWM8010 AWM8010 AWM8010 AWM8011 2 FL ASSY AWU8271 AWU8271 AWU8271 AWU8271 AWU8271 2 CONNECT ASSY AWU8272 AWU8272 AWU8272 AWU8272 AWU8272 2 AC INLET ASSY AWU8273 AWU8273 ...

Page 39: ...C3011 C3012 C3019 C3020 CEAT100M50 C3025 C3026 C3191 C5719 CEAT100M50 C1505 C4614 C4621 C4628 C5581 CEAT101M16 C5610 C615 C834 C902 C903 CEAT101M16 C3221 C3222 C3321 C3322 CEAT102M35 C3421 C3422 CEAT102M35 C3021 C3024 C3054 C5708 C5720 CEAT470M16 C3231 C3232 C3331 C3332 CFTLA474J2A C3431 C3432 CFTLA474J2A C3211 C3214 C3311 C3314 CKSQYB104K50 C3411 C3414 CKSQYB104K50 C3201 C3202 C3301 C3302 CKSQYB1...

Page 40: ...E CONTROL JACK RKN1004 JA4601 1P PIN JACK VKB1159 KN1001 KN5501 VNF1109 EARTH METAL FITTING BAC INLET ASSY CAPACITORS C2 ACG7059 OTHERS 1 C4 SOLDERING LUG 039 30040 000 CN5 2P VH CONNECTOR B2P3S VH AN1 1P AC INLET XKP3084 CCONNECT ASSY SEMICONDUCTORS D5651 D5655 D5657 UDZS8R2 B CAPACITORS C5651 C5654 CKSRYB102K50 OTHERS CN5652 12P CONNECTOR AKP7131 CN5651 13P PLUG XKP3066 Mark No Description Part ...

Page 41: ... data on failure in RAM will be initialized and data on user settings in RAM will not be initialized 4 Indications on the FL display when Test mode is entered The function setting will be DVD DVR1 The indication on the FL display when Test mode is entered will differ depending on whether the unit was shut down normally or with an abnormality detected as shown below ADV mode will become 5 channel S...

Page 42: ... again when the unit is turned on in Normal mode the following causes can be suspected 1 One or more of the ICs among the three digital amplifier ICs IC3201 IC3301 and IC3401 TAS5122DCA on the MAIN Assy is in failure 2 The line between one of the above digital amplifier ICs and the speaker terminals is short circuited 3 The XSD line from one of the above digital amplifier ICs to the system control...

Page 43: ...If the power cord was disconnected immediately before be sure to wait at least one minute before turning on the power in this way Otherwise the unit may not operate properly Or during Standby mode hold the AUDIO INPUT and STANDBY ON keys pressed for 3 seconds 2 Enter Service Test mode 3 Hold the AUDIO INPUT key pressed for 8 seconds 4 The setting is displayed 5 If no setting has been written in th...

Page 44: ...E This character is displayed while DSPMUTE is active DIR UNLOCK This character is displayed while DIR is UNLOCK Space The name of an error is displayed by four characters D I E R U M D S E R U M H R E Q U M D S N G U M D M U T M D S O K 9 D S O K Data cannot be received from DIR DIR is assumed to be in failure Data cannot be received from DSP Communication between DIR and DSP is in failure DSP is...

Page 45: ...er stage In this section timing is controlled so that the MOSFETs on the high and low sides will not be turned on simultaneously The voltage of the PWM signals are raised to drive the gates of the MOSFET and the PWM signals to drive the speakers are output from the MOSFET at the output stage Detection and protection functions against short circuiting of the output signals and temperature exceeding...

Page 46: ...egarding these three ICs Therefore which IC is abnormal cannot be known directly To find which IC is abnormal it is required to check whether abnormality detection is activated or not with the abnormality detection port of each IC open by temporarily removing a series resistor IC3201 R3201 R3203 IC3301 R3301 R3303 IC3401 R3401 R3403 3 Detection timing Start Detection starts 500 ms after the PWRCON...

Page 47: ...0 seconds after the main volume becomes VOL 20 or more the rotation speed is switched to high 2 Conditions for switching the rotation speed from high to low If the main volume becomes less than VOL 20 During muting If a digital stream signal is not input Note The rotation speed is immediately switched to low when one of the above conditions is met 3 Fan drive circuit and drive voltage The fan driv...

Page 48: ...e gap between the cosmetic baffle and main housing and gently pry the baffle away Note To avoid damage alternately pry at two points as shown in the photo below little by little not in a single motion 2 Remove the cosmetic baffle Cosmetic Baffle 2 1 1 2 4 5 4 6 3 4 2 1 1 1 Rear view Bottom view Rear view 5 FL Assy D CONNECT Assy C Thin slot screwdriver Note 1 Even if the unit shown in the photos a...

Page 49: ...eaker 3 Disconnect the connection cord Speaker 3 1 Remove the four screws 2 Disconnect the connection cord 3 Remove the two screws 4 Pull out the Main Section Main Section 4 3 3 2 Rear view Rear view Bottom view Speaker Main Section Speaker Connection cord 1 1 1 1 1 1 1 1 3 3 2 4 ...

Page 50: ...el SW by unhooking the two hooks Chassis T Rear panel SW 1 Diagnosis Rear view 5 5 5 8 8 7 7 1 2 7 6 3 6 2 6 2 FM AM TUNER Unit F MAIN Assy A AC INLET Assy DISPLAY Unit B POWER SUPPLY Unit E Note Coil the ferrite clamp with the lead wire three turn in exchange of Ferrite Clamp DTH1158 or 4P Lead with Housing ADX7487 EMC is not good when does not coil it ...

Page 51: ...OUT 17 16 INT1 21 INT0 22 2 RX1 3 DVDD 6 DVSS 7 Pin Function No Pin Name I O Pin Function 1 R External Resistor Pin 12Ω 5 13Ω 5 resistor to AVSS externally 2 AVDD Analog Power Supply Pin 3 RX1 I Receiver Channel 1 Internal Biased Pin 4 NC No Connect 5 RX0 I Receiver Channel 0 Internal Biased Pin 6 DVDD Digital Power Supply Pin 7 DVSS Digital Ground Pin 8 XTI I X tal Input Pin 9 XTO O X tal Output ...

Page 52: ...ND HCKT PC5 HCKR PC2 CORE_VDD ACI PD0 ADO PD1 CORE_GND HCKR PE2 HCKT PE5 IO_GND IO_VDD SCKR PE0 SCKT PE3 FSR PE1 40 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 17 IO_VDD 18 PF1 19 PF0 20 IO_GND Pin Functions No Pin Name I O Pin Function 1 SDO4 SDI1 PC7 I O Serial Data Output 4 Serial Data Input 1 Port C7 2 IO_GND I O ground 3 IO_VDD I O power supply 3 3V 4 SDO3 SDI2 PC8 I O Serial ...

Page 53: ...V 53 CORE_GND Core ground 54 SDO0 PE11 I O Serial Data Output 0 Port E11 55 SDO1 PE10 I O Serial Data Output 1 Port E10 56 SDO2 SDI3 PE9 I O Serial Data Output 2 Serial Data Input 3 Port E9 57 SDO3 SDI2 PE8 I O Serial Data Output 3 Serial Data Input 2 Port E8 58 SDO4 SDI1 PE7 I O Serial Data Output 4 Serial Data Input 1 Port E7 59 SDO5 SDI0 PE6 I O Serial Data Output 5 Serial Data Input 0 Port E6 ...

Page 54: ...log input R channel 3 VREF1 Reference voltage 1 decoupling capacitor 4 VREF2 Reference voltage 2 decoupling capacitor 5 VCC Analog power supply 5 V 6 AGND Analog GND 7 PDWN I Power down control active low 2 8 BYPAS I HPF bypass control LOW Normal mode dc reject HIGH Bypass mode through 2 9 TEST I Test must be connected to DGND 2 10 LRCK I O Audio data latch enable input output 1 11 BCK I O Audio d...

Page 55: ... 8 2 Crossbar Mixer Output Control PWM Control 7 VRD_PLL 9 AVDD_PLL 8 AVSS_PLL AVDD_REF 10 VBGAP 1 VRA_PLL 17 VR_DPLL 15 36 DVDD 16 34 35 38 DVSS AVDD 5 6 AVSS MCLK 63 XTL_OUT 19 XTL_IN 20 PLL_FLTM 3 PLL_FLTP 4 OSC_CAP 18 SCLK 27 SDA 24 LRCLK 26 SDIN1 31 SDIN2 30 SDIN3 29 SDIN4 28 SCL 25 RESET 11 DC Block De Emph Intarpo late SRC NS PWM DC Block De Emph Intarpo late SRC NS PWM DC Block De Emph Int...

Page 56: ...rol data interface input output 25 SCL DI I2C serial control clock input output 26 LRCLK DI Serial audio data left right clock sampling rate clock 27 SCLK DI Serial audio data clock shift clock 28 SDIN4 DI Serial audio data 4 input is one of the serial data input ports 29 SDIN3 DI Serial audio data 3 input is one of the serial data input ports 30 SDIN2 DI Serial audio data 2 input is one of the se...

Page 57: ..._P_5 DO PWM 5 output differentil 57 PWM_M_6 DO PWM 6 output differentil 58 PWM_P_6 DO PWM 6 output differentil 59 PWM_HPML DO PWM left channel headphone differential 60 PWM_HPPL DO PWM left channel headphone differential 61 PWM_HPMR DO PWM right channel headphone differential 62 PWM_HPPR DO PWM right channel headphone differential 63 MCLK DI MCLK is a 3 3V clock master clock input 64 RESERVED Conn...

Page 58: ...DCA MAIN ASSY IC3201 IC3301 IC3401 50W Stereo Digital Amplifier Pin Arrangement Top view PWM Receiver Timing Control Gate Drive Protection A Gate Drive Gate Drive Gate Drive GREG GREG GREG GREG GREG DREG To Protection Blocks DREG Protection B 10 8 RESET_AB PWM_AP 54 BST_A 49 GND PWM Receiver OT Protection UVP Timing Control 12 PWM_BP 25 OTW Block Diagram 23 SD_AB 24 SD_CD 48 GND 13 DREG 26 GREG 30...

Page 59: ...C 14 M1 I Mode selection pin 42 BST_C HS bootstrap supply BST external capacitor to OUT_C required 15 M2 I Mode selection pin 43 BST_B HS bootstrap supply BST external capacitor to OUT_B required 16 M3 I Mode selection pin 44 PVDD_B Power supply input for half bridge B 17 DREG_RTN Digital supply voltage regulator decoupling return pin 45 PVDD_B Power supply input for half bridge B 18 PWM_CP I Inpu...

Page 60: ... supply 15 P80 AN0 SIMUKE I Destination distinction input 16 P81 AN1 MODEL I Model distinction input 17 P82 AN2 O 18 P83 AN3 O 19 P84 AN4 KEY2 I Key2 input 20 P85 AN5 O 21 P86 AN6 PCONFIG I POWER CONFIG INPUT 22 P87 AN7 XPROTECT I Protection and Fan Error detection input 23 P10 SO0 DSPDI O Data output to DSP MOTOROLA and DIR 24 P11 SI0 SB0 DSPDO I Data input from DSP MOTOROLA 25 P12 SCK0 DSPCK O C...

Page 61: ...EEPROM CLOCK 61 P04 TXCLK O Clock for tuner LSI 62 P05 TXODATA O Data for tuner LSI 63 P06 O 64 P07 RDSPOW O Control power supply of RDS L POWER ON 65 P20 INT4 T1IN RDSDATA I O Input RDS data 66 P21 INT4 T1IN TXIDATA I Input data from tuner LSI 67 P22 INT4 T1IN DIRERR I LOCK UNLOCK from DIR 68 P23 INT4 T1IN EEP_DI I EEPROM DATA IN 69 P24 INT5 T1IN KEY1 I Key1 input PowerOn Standby key only 70 P25 ...

Page 62: ... MOS or Nch OD by each 1 bit in option PortC PC0 PC7 can be selected for input or output by each 1 bit Set for input when reset And it can be set C MOS or Nch OD by each 1 bit in option PortE and PortF can be selected for input or output by each 2 bits In case of without RDS it is best that RDSDATA and RDSCLK are assigned as I O port which can be set output and output low level No Mark Pin Name I ...

Page 63: ...ernal state display output 5 GND Ground 6 NC Non connection 7 NC Non connection 8 VCC Power supply BR93L46RFJ W MAIN ASSY IC5503 64 16 bit EEPROM Pin Arrangement Top view Pin Function CS Instruction Register 1 SK 2 DI Address Buffer Writing Prohibition High Voltage Generation Power Supply Voltage Detection Data Register 6 bit 16 bit R W Amp Dummy Bit 3 Instruction Decode Control Clock Generation B...

Page 64: ...witched Capacitor Filter Anti aliasing Filter Comparator PLL 57 kHz RDS PLL 1187 5 Hz Biphase Decoder Clock Test Differential Decoder Analog Digital 3 VREF 5 VDD1 120kΩ 100kΩ 100kΩ 6 VSS1 12 VDD2 11 13 VSS2 XI 14 XO 10 T1 No Pin Name Pin Function 1 QUAL Output signal quality 2 RDATA Data 3 VREF Refference 4 MUX Composite signal input 5 VDD1 Analog power supply 6 VSS1 7 VSS3 8 CMP Comparator 9 T2 T...

Page 65: ...6 SG22 GR7 SG21 GR8 SG20 GR9 44 43 42 41 40 39 38 37 36 35 34 7 DIN Serial Data Interface OSC Control Timing Generator Display Memory 24 bits 12 Words Key Matrix Memory LED Driver Dimming Circuit Grid Driver Segment Driver Grid Driver Key Scan Output 6 DOUT 1 LED1 2 LED2 3 LED3 4 10 LED4 K1 K2 11 VDD 43 VDD 13 VSS 12 VSS 44 VEE GR4 30 39 8 CLK 9 STB 5 OSC GR3 40 GR2 41 GR1 42 SG24 GR5 38 SG23 GR6 ...

Page 66: ... 13 VDD Logic power supply 14 SG1 KS1 O High voltage segment output pin 15 SG2 KS2 16 SG3 KS3 17 SG4 KS4 18 SG5 KS5 19 SG6 KS6 20 SG7 KS7 21 SG8 KS8 22 SG9 KS9 23 SG10 KS10 24 SG11 KS11 25 SG12 KS12 26 SG13 KS13 27 SG14 KS14 28 SG15 KS15 29 SG16 KS16 30 VEE Pull down level 31 SG17 GR12 O High voltage segment Grid output pin 32 SG18 GR11 33 SG19 GR10 34 SG20 GR9 35 SG21 GR8 36 SG22 GR7 37 SG23 GR6 ...

Page 67: ...roadcast is being received Lights when a stereo FM broadcast is being received in auto stereo mode Lights when FM mono reception is selected Lights when in one of the RDS display or search modes 4 kHz MHz Indicates the frequency unit shown in the character display kHz for AM MHz for FM 5 Character display 6 Lights when sleep timer is active 7 2 PL II Lights during Dolby Pro Logic II decoding 8 2 D...

Page 68: ... channel of the built in TV tuner 7 Numeric buttons and CLEAR Use the number buttons for track chapter title selection channel selection and so on Use CLEAR to clear an entry and start again 8 VIDEO INPUT Press to change the DVD recorder input for recording and playback 9 HELP Press for help on how to use the current GUI screen 10 GUIDE Plus system controls GUIDE Press to display the GUIDE Plus sc...

Page 69: ...deo frame When GUIDE Plus is displayed use to display the previous next day 17 Recording controls REC Press to start recording Press repeatedly to set the recording time in blocks of 30 mins STOP REC Press to stop recording REC MODE Press repeatedly to change the recording mode picture quality 18 ONE TOUCH COPY Press to start One Touch Copy of the currently playing title to DVD or the HDD 19 GUIDE...

Page 70: ...an Advanced Surround mode 10 TOP MENU Press to display the top menu if a DVD Video disc is loaded SHIFT SOUND Press to access the sound menu from which you can adjust bass and treble etc 11 DVD MENU Press to display the disc menu if a DVD Video disc is loaded SHIFT SYSTEM SETUP Use to access the menu system for surround sound setup tuner settings and so on 12 Use to navigate all DVD player on scre...

Page 71: ... AUDIO Changes the audio language or channel SUBTITLE Displays changes the subtitles included in multilingual DVD Video discs ANGLE Switches camera angles on discs with multi angle scenes 17 PLAY MODE Press to display the Play Mode menu for features such as search repeat and program play ZOOM Press to change the zoom level DISPLAY Press to display change the current disc information 18 TV CONTROL ...

Page 72: ...1174 FL WHITE SDS1175 FR RED SDS1176 SL BLUE SDS1177 SR GRAY SDS1178 C GREEN For checking audio at the SP terminal Before shipping out the product be sure to clean the following positions by using the prescribed cleaning tools Position to be cleaned Cleaning tools Fans Cleaning paper GED 008 7 CLEANING ...

Search results

Summary of Contents for SX-SW77

Reviews:

Related manuals for SX-SW77

Brands by name

Popular brands

Pioneer SX-SW77, Service Manual

Search results

Summary of Contents for SX-SW77

Reviews:

Related manuals for SX-SW77

Brands by name

Popular brands