STR-DE485/DE485E
Contents
1. R715 ed 0704 53 2 MP1620 53 7 L 0655 656 753 7 CURRENT FRONT 3p 500V Q654 DETECT MP1620 R 8734 R640 C642 0640 a 1891331 22k 0 01 Q710 lt 252785 0651 654 REL AL 0 7 SPEAKERS IMPEDANCE 16702 gt gt USE 8 16 uPC2581V S R664 9722 723 725 PRE DRIVER 15 PROTECTOR 22 i 5 gt 9605 606 z 2 6751 R751 CURRENT Rl 4 7 1k DETECT 50V Q 5 5 2SA988 28C2785 3 2 SURROUND C601 C757 R618 58 4 7 H 4 7 R680 C681 0680 22k 0 01 C754 060 04 POWER AMP R60 68k C753 100 10V 15 0020 21 1620 10 0 01 W CURRENT 53 7 DETECT PRE DRIVER Q754 MP 1620 188133T 0610 220 Q 47 C755 R601 100 R610 1k 0605 0 0601 2 4 vee y Q D721 39 1 560 0606 0605 53 7 0755 756 2502785 RELAY DRIVE gt 1 0753 MN2488 W 0756155133 280988 R769 C770 4 7 220p 0751 754 R761 POWER AMP 82k C505 C506 100p 100p 500V 500V C519 R520 9505 506 CURRENT DETECT 0503 220p 7 0692 BNIFAM Q691 692 B SWITCH D690 HZS30 1LTA Q691 R698 2S2. 161904 2933 3 3V REG 11903 BPC2905HF 5V REG D1906 158154 400 25 1 1901 1 3001KWF BACK UP SWITCH C1908 470 16V 30V DATA JR1111 0 C1611 0 01 C1610 0 01 R1707 10k R1708 10k R1689 10k S 80929ANMP DDS T2 81305 R1642 5 51617 10 8 5 R1665 100 1698 4 7 1638 4 7 __ 81602 4 7k _ R1669 4 7 81673 1k 81308 1k 81664 100 81699 4 7 3 4 3 3 3 3 3 3 3 3 0 3 3 2 1 3 3 3 3 0 0 ___ 3 3 Zed PROTECTOR FB1602 3 3 0 lt 3 3 1635 10K C1620 0 1 0 R1687 C1603 0 1 lt 0 1661 10 EXCEPT US CND MODEL 61607 0 1 R1666 10k 51605 POWER KEY FUSE DETECT A POWER RELAY WOOFER RELAY CONTROL Al IN HEADPHONE RELAY CONTROL OUT GAC VERSION Cum 2 20 22 al com 163 Econ VIDEO SW E 3 365 91 SELECT MB90478PF G 120 BND A D2 3 3 _ 81629 10k W 0 022 gt lt 5 a GND FLASH PROGRAMM NG 3 3 ______
3. SERVICE MANUAL Ver 1 0 2002 02 STR DE485 DE485E US Model Canadian Model Model Australian Model Chinese Model STR DE485 AEP Model UK Model STR DE485E Photo STR DE485 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 SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION With 8 ohm loads both channels driven from 40 20 000 Hz rated 80 watts per channel minimum RMS power with no more than 0 09 total harmonic distortion from 250 milliwatts to rated output STR DE485 area code US only Amplifier section POWER OUTPUT Models of area code US CND Rated Power Output at Stereo Mode 8 ohms 40 Hz 20 kHz THD 0 09 STR DE485 80 W 80 W Reference Power Output 8 ohms 1 kHz THD 0 7 STR DE485 FRONT 0 80 W ch CENTER 80 W SURR 1 80 W ch Models of area code AEP UK Rated Power Output at Stereo Mode 8 ohms 1 kHz THD 0 7 STR DE485E 80 W 80 W 2 Reference Power Output 8 ohms 1 kHz THD 0 7 STR DE485E FRONT 0 80 W ch CENTER 80 W SURR 0 80 W ch 9 873 587 01 Sony Corporation 2002B0400 1 Home Audio Company 2002 02 Published by Sony Engineering Corporation Models of other area code Rated Power Output at Stereo Mode 8 oh
4. BASS MODE PRESET MODE CH IN TUNING 9107 108 Q Q102 Q FIELD AEP UK N N LED DRIVER PRESET PTY SELECT AEP UK R121 R122 R123 ii R125 R126 R127 R128 AD2 220 330 470 0 1k 1 5k 2 2k 4 7k 120 d 31214 512215 1234 51244 125 15 1264 5127 15 31284 R164 0 R150 82k 0 DOUT 10100 01631568 385 FL DISPLAY DRIVER Q101 103 LED DRIVER FM AM PTY R169 220 R165 68 D100 SELS5B23C TP15 Digital Cinema Sound Q104 5 2 C2785TP HFE D102 SELUSE20C STPI5 MULT 10k CHANNEL DECODING 5 0100 2SC2785TP HFE BUFFER 80 1k 2 2k 22k 47k AD3 220 330 470 R131 R132 R133 R134 R135 R136 R137 R138 R139 6 1 5k 143 15 144 d 51454 l SHIFT FM MODE MENU MENU MEMORY TUNING MENU EXCEPT AEP UK gt lt EXCEPT AEP UK 0100 104 LED DRIVER 6 o bd 3 DISPLAY CINEMA STUDIO EX SOUND FIELD fey SW CNS100 27P TREBLE DVD LD a ale 5 a 7 5528285858599 157 01110109 eee RLRE eae ROTARY ENCODER 12105 ______ 0 1 delo EO Eees es
5. 1502 G AMP PASC gh A4 0 1 8 1501 0 147 0 0015 07 R1222 100 0 D 06 1221 100 0 R1501 R1502 bee i 05 1220 100 0 pe H Ei 81219 100 04629 HHA R1218 100 0 09 47 1 2 81217 100 0 09 02 Sone 61552 5 3 3454 CXD9617R R1555 R1556 22 DSP WEO 2 2k 10k 50 n D1 R1216 1 09 1215 100 0 1 5 1501 13 2 0 1209 81214 100 42 3 9 1208 R1213 100 T T 5 161552 JR1103 yest Pug 8 13 NJM4565M 0 aa6 522 8 13 5 C1551 R1203 10K 05 3 15 0 0015 1513 0 1 TVDD J C1515 10 50V i D QND R1551 R1552 C1514 0 1 3 3559 1 1501 330 10 61503 81507 R1508 100k AKA527 0 1 4 7k 18 CODEC R1210 C1219 JR1104 MERT a E 17 Ed 8 gt K N NA TUNER L OUT et TUNER R OUT 8 8 8 11 1 1503 IN gt 9 gt 1 L IN 2 GND ri L 172 R OUT 501 a wrod a 22 S g GND 8 oee poe SW OUT 51 ATIC DIAGRAM DIGITAL SECTION 1 2 Refer to 20 Common Note Schematic Diagram Waveform page 34 IC Block Diagrams 2
6. 1k 79 8375 0363 C486 O 2563576 R379 50V 7 1 4 8367 R368 47 4 7 R376 10k 0 0364 SOV 1 2863576 8377 253576 R369 50V 7 1 8371 100k C484 ey X 7 1 R370 10 8378 0 0366 4 7k 50V 1k 25 3576 A R380 100k BN1F4M INVERTER R381 D804 RDS 6F T7 0801 50V Rea 8 53 8 The components identified by mark A or dotted line with mark are critical for safety Replace only with part number specified D801 HZS30 1LTA 1 DIGITAL QND __ 7 gt ______ DIGITAL parcu fe oo CNS2 rowe 27 ac wre HP DETECT DETECT FRONT SP RELAY ba REAR SP RELAY o WOOFER RELAY 5 Se DIGITAL T e PROTECTOR BOARD V DOUBLER 0 A 30v po ele C803 804 4700 63V EXCEPT CH 10000 71V CH D802 RBV 602LF A RECT bd AC2 POWER TRANSFORMER 806 al act T901 tL cena 0 22 Page 33 021 5P ree R910 3 AN o POWER c901 pd TRANSFORMER 0 1 CE2 T901 Page 33 C903 C830 2 9 3300 0 1 0902 905 B er eee eres CH GND BOARD opr 33 Les composants identifi s par A 1 RIMS une marque A sont critiques 2 pour la s
7. 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ee OO OO OO 18 DIGITAL BOARD 2 2 27 DIGITAL BOARD 2 2 27 STR DE485 DE485E 4 13 SCHEMATIC DIAGRAM DIGITAL SECTION 2 2 Refer to page 20 for Common Note on Schematic Diagram and Waveform 2 H 1 VIDEO BOARD CNS150 Page 29 TM301 FM AM TUNER PACK DIGITAL BOARD lt 4 1 2 lt Page 26 lt CONTRO Vi L Al IN DEO SW4 DEO SW3 DEO SW2 DEO 5 1 CNS7 0 4 6 7 8 9 10 11 12 13 14 15 16 11 EXCEPT 5 15 AEP UK 1 1905 3 REG POWER RELAY STOP STANDBY 8 BOARD CNP912 33 FRONT SP RELAY CENTER SP RELAY REAR SP RELAY WOOFER RELAY HP RELAY PROTECTOR V DOUBLER BOARD 172 GND CNP911 22 30V eee A R1697 5 4 7k SP AR 8 10k E2 AUS MX amp 3 3V STBY 22k TW US CND CLK DIN VOL A VOL 8 DISPLAY POWER SW 10 BOARD Sines CNS100 A D 3 Page 31 A D 2 A D 1 A D 0 SP SW JOG A JOG B DCS LED AFD LED 2CH LED MODE LED BLUE LED
8. 5 voL DIGITAL 0 9 ps CNS4 27 000 poe A D 0 SP SW FLUORESCENT INDICATOR TUBE JOG A JOG B DCS LED SIRCS AFD LED VOL A 2CH LED VOL B emee MODE LED BLUE LED 31 31 STR DE485 DE485E 4 19 SCHEMATIC DIAGRAM POWER SECTION Refer to page 20 for Common Note on Schematic Diagram 1 2 3 4 5 6 1 8 9 MODEL T901 POWER TRANSFORMER 4 5 5 ml gt YW m m o gt AJ 240V CNP910 ee h MAIN Lo 4 4 lt q ee ee 9 142 2 il wal se CNP801 AC2 Y a Page 22 a 1 MAIN gt 2 F ieee 901 2 VOLTAGE SELECTOR 22 MODEL oa i D 1 F901 6 3A 125V 05 CND MX T2 5A 250V EXCEPT US CND TW 5 125 TW 0820 0823 0901 901 A 11 2 2 11ES2 NTA2B MAIN B Ho R812 2662785 0 2 0 15 RELA
9. button to turn on the main power 1 All segments turn on SLEEP DQDIGITALPRO LOGIC DTS MPEGSTEREO MONO RDS MEMORY OP OFF _ OPT COAX MULTI CH IN D RANGE EQ TA NEWS INFO MUTING LFE 00 Oy at t t t oe at x oe oe ate ey ott ee ott ey ate ey att ott ey 9 0 6 0 0 0 6 0 0 ettet tte tte othe toe tte othe othe 2 2 2 SL S SR 5000 2 te te te te te 5 fo feo MULTI CHANNEL DECODING Digital Cinema SOUND FIELD A F D MODE and LED turn on 2 Press the button confirm display PRO LOGIC MPEGSTEREO RDS SLEEP D RANGE TA INFO MUTING SOUND FIELD MODE SOUND CONTROL LEVEL and LED turn on 3 Press the button confirm display DIGITAL DTS MONO MEMORY SPOFF OPT MULTI CH IN EQ MULTI CHANNEL DECODING SOUND FIELD 2CH SOUND CONTROL and LED turn on 4 Press the VIDEO 1 button All segments turn off 5 Every pressing of the button turns on each segment and LED one after another in the same order Not only the button but also the other buttons such as VIDEO 2 DVD LD MD TAPE CD can be used FACTORY PRESET MODE All p
10. curit a Ne les remplacer que par une TE 5 8 pi ce portant le num ro sp cifi FARA FR STR DE485 DE485E 4 9 SCHEMATIC DIAGRAM MAIN SECTION 2 2 Refer to page 20 for Common Note on Schematic Diagram and page 34 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 MAIN BOARD 2 2 HEADPHONE BO lt 53 4 0747 748 MUTE 35 1 lt 5 gt lt MAIN BOARD 172 Page G 22 K lt a gt lt 10 lt 11 lt 12 lt 13 lt 14 L Q747 BNIFAM CE B BUFFER R742 47k iv 5 3 1 1012 791 5 01792 6 0705 706 6792 790 53 5 B D CURRENT R723 RY791 0 1 y T 1 1C701 33 gt 304 e gt PHONES SSS eeu Cee O 1 06 gt gt 2 gt gt 0 iw Loo 10701 7 02Z2 0 201 35355 Q701 500V y IN 9 2581 5 2SA1115 R794 PRE DRIVER 0705 AN gt 07 3 254988 R718 IW MN2488 met R716 0 22X2 R740 742 0740 03 9 22 0 01 19 133 R746 22k R793 4 7 18S133T 0 7 R791 15 z 15 9701 704 2SC1815 2962785 OD T POWER AMP OVERLOAD RELAY 6613 CC12 RR11 0 01 10 TM602
11. C1815 10k Q505 10601 2SA988 6 3 521 22 OVERLOAD DETECT AMP 4 7 188133T Q550 28C2785 RELAY DRIVE 8540 541 22k 0 01 D540 Q501 504 POWER AMP R515 100 The components identified by Les composants identifi s par A 1 3 mark A or dotted line with mark une marque A sont critiques anit eA AEE A are critical for safety pour la s curit a Replace only with part number Ne les remplacer que par une te AU RRO Res specified pi ce portant le num ro sp cifi 5 RE R STR DE485 DE485E 4 12 SCHEM 1 DIGITAL BOARD 1 2 gt La 3 gt ERROR 3 3 4 gt 2 5 5 gt 6 5V 7 gt FB1201 lt lt BPSYNC Auto 3 0 slololololalda s 161101 C1106 0 1 gt aia aie R1107 5 0K TBa F3 P3 C3 e 1105 4 7k M 2 94 1 1202 gt 81104 100 1S61LV6416 15T DIGITAL 5 1 1 1 D A CONVERTER 2 Sg os C1104 0 01 lt lt lt 61102 47 16V WAVE 10k 8 z _ 12 288MHz SHAPER 5 amp ajojo O oF 58 als 5 N MIN 2 R1504 81505 R1506 C1502 zla 330 2 2k 10 22 16V 29 uo s 8 5 1
12. ION Refer to page 20 for Common Note on Schematic Diagram and page 34 for IC Block Diagrams 1 2 3 4 5 6 1 8 1201 R201 MON TOR VIDEO OUT 2 J200 C2001 R200 1 807 n IC807 3 K NUM7805FA 5V REG CNP156 VIDEO 2 VIDEO_ IN 2 le Pare 3P 77 207 Tinea 24 Oy Y 10 50V more SHE 07 JH GND 172 R2215 8218 C809 505 100 D 22 C249 C248 yQ Qr 2200 IC804 16804 CHASS 5 NUM79MO5FA 5V REG gt Swi 1 DIGITAL 27 STR DE485 DE485E 4 17 SCHEMATIC DIAGRAM DISPLAY SECTION Refer to 20 for Common Note on Schematic Diagram DISPLAY BOARD R101 R102 R103 R104 R105 R106 R107 R108 R109 A ADO 1 330 470 680 1k 1 5k 2 2k 4 7K 10k oe ES 0111 1 R101 111 PRESET 220 US AUS SP TW TUNING BNIF4M LED B SWITCH 470 EXCEPT US AUS SP TW SOUND CONTROL EXCEPT AEP UK 5 1 0113 D111 B 0110 SEL5821A 58214 LED Be SWITCH SET UP LEVEL AEP UK R111 R112 R113 R114 R115 R116 R117 R118 R119 D112 SOUND CONTROL 4 SEL5821A ADI 1 330 470 680 1k 1 5k 2 2 4 7 10k smd 5112 1134 1145 1154 1164 111 1194 MUTING INPUT TREBLE MULT TUNER VIDEO2
13. Y DRIVER g ea 0 7 CNP915 GND ane a 11ES2 NTA2B 11ES2 NTA2B T X i 4 Page 22 V o 901 D820 823 RECT T902 D910 D898 D899 11ES2 NTA2B 1 1ES2 NTA2B 11ES2 NTA2B 0911 11ES2 NTA2B 950 3300 R901 US CND MODEL POWER RELAY bo DIGITAL See a BOARD STOP i AC IN DETECT Gl ae 5 ae 11ES2 NTA2B 1 133 27 CNP912 5 AP R921 47 CHASSIS The components identified by Les composants identifi s par py A te HRI 3 mark A or dotted line with mark une marque A sont critiques anit eA A A are critical for safety pour la s curit a Replace only with part number Ne les remplacer que par une PE EE JR IE specified pi ce portant le num ro sp cifi FARA RE R 33 33
14. ____ 00 _JorticaL 1 SYSTEM CONTROL 403 3 R1628 10K 61614 0 022 H H 4 91643 3 3 1627 10k 61613 0 022 a n p 10 pL EEPROM lt 3 3 361602 0 1 __ 43 3 ______ ___ og gt _______ for ______ i646 1 PO DIR 2 8 wo eg VOL IC TUNER 09 0 1 1663 3 3k __ R1648 1k 2 8 3 3 01686 AFD LED 3 340 B25 RH See Pa ad ASTATE 00 a gaga Yoo R1649 S I a s h lt lt MUTE 8 909000 73223585869 lt vo _ _ ___ 97 00 aE 69 lt _ 81705 100 S I i el eh Ae 7 1511 8 333 gt CHASSIS DATAO AEP UK MODEL DIGITAL lt 8 9 5 5 HP DETECT lt s AC MUTE 172 lt 10 FUNCTION MUTE Pg cee a LATCH BOARD 172 oes Coh Page 22 DIGITAL GND DIGITAL GND STR DE485 DE485E 4 15 SCHEMATIC DIAGRAM VIDEO SECT
15. but tons are pressed REST 04 appears When MASTER VOLUME is rotated in clockwise direction VOL MIN VOL 1 to VOL 73 VOL MAX appear 17 STR DE485 DE485E 4 8 SCHEMATIC DIAGRAM MAIN SECTION 1 2 Refer to page 20 for Common Note on Schematic Diagram 07 407 b 66574457 C457 100p 1 10 50V DIR FUNCTION SELECT R406 C406 1k 10 50V R456 C456 1k 10 50V 10201 61511 SLDELOUT R408 C408 1k 10 50V R458 C458 1 10 50V 6605 78405 40 100 1K 10 50 C455 10 SOV 5 455 1k CCO4 8404 pap 100 1K 10 R454 454 1 10 SOV DSRIN R409 6409 DSLIN 1k 10 50V DRIN DLIN C489 100 C490 100p C497 100p 28C3576 3 3V REQ C467 0 1 C466 10 50V WOOFER AMP 0560 1551337 2562785 DRIVER CN505 3P V VIDEO B ed _ BOARD 7 7 Pr 7 REG Page 29 T 501 15 J tuner Cour p gt A 5 gt BOARD 59801 51 7 REG 26 st our 8 0 ee se out 12 O Pi ev ia sw our 15 22 22 C492 Q36 1 366 10 R373 MUTE pov 1k N y R363 100k R360 100k C482 10 R374 50V
16. ms 1 kHz THD 0 7 80 W 80 W 2 Reference Power Output 2 8 ohms 1 kHz THD 10 FRONT 0 100 W ch CENTER 100 W SURR 100 W ch 1 Depending on the sound field settings and the source there may be no sound output 2 Measured under the following conditions Area code Power requirements E AUS 240 V AC 50 Hz SP AEP UK 230 V AC 50 Hz TW 110 V AC 60 Hz MX 120 V AC 60 Hz Frequency response MULTI CH IN 10 Hz 50 kHz STR DE485 only CD 0 5 2 dB with sound MD TAPE DVD LD field and tone bypassed VIDEO 1 2 Inputs Analog MULTI CH IN Sensitivity 250 mV STR DE485 only CD Impedance 50 kilohms MD TAPE DVD LD S N 3 96 dB VIDEO 1 2 250 mV 9 3 INPUT SHORT with sound field and tone bypassed 4 Weighted network input level Continued on next page FM STEREO FM AM RECEIVER SONY STR DE485 DE485E SECTION 3 TEST MODE SOFTWARE VERSION DISPLAY MODE The software version is displayed Procedure While depressing the and the SOUND FIELD buttons simultaneously press the power button to turn on the main power The model name destination and the software version are displayed FLUORESCENT INDICATOR TUBE TEST MODE All fluorescent segments are tested When this test is activated all segments turn on at the same time then each segment turns on one after another Procedure While depressing the and the buttons simul taneously press the power 1700
17. reset contents are reset to the default setting Procedure While depressing the and the SOUND FIELD buttons simultaneously press the power button to turn on the main power The message FACTORY appears and switch off the set While depressing the and the SOUND FIELD buttons simultaneously press the power button again The message FACTORY appears and the preset contents are reset to the default values SOUND FIELD CLEAR MODE The preset sound field is cleared when this mode 1 activated Use this mode before returning the product to clients upon completion of repair Procedure While depressing the SOUND FIELD button press the power button to turn on the main power The message S F CLR appears and initialization is performed AM CHANNEL STEP 9 2 10 kHz SELECTION MODE Either the 9 kHz step or 10 kHz step can be selected for the AM channel step Procedure Set the to AM Turn off the main power While depressing the button or the button press the power button to turn on the main power Either the message 9 k STEP or 10 k STEP appears Select the desired step For US E model only KEY CHECK MODE Button check Procedure While depressing the and the buttons simul taneously press the power button to turn on the main power REST 39 appears Every pressing of any button other than the 1 0 and the counts down the buttons The buttons which are already counted once are not counted again When all
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