Sony STR-DE375 Service Manual Download | Manualshive

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STR-DE375

3-10. SCHEMATIC DIAGRAM – POWER SECTION –

IC B/D

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Summary of Contents for STR-DE375

Page 1: ...MHz Mono 18 3 dBf 4 5 µV Stereo 38 3 dBf 45 µV 11 2 dBf 1 µV IHF Mono 76 dB Stereo 70 dB Mono 0 3 Stereo 0 5 Outputs Muting TONE MD TAPE OUT Voltage 150 mV Impedance 10 kilohms VIDEO AUDIO OUT Voltage 150 mV Impedance 10 kilohms SUB WOOFER Voltage 2 V Impedance 1 kilohms PHONES Accepts low and high impedance headphones Full mute 6 dB at 100 Hz and 10 kHz CD DVD MULTI CH MD TAPE TV SAT VIDEO Sensit...

Page 2: ...odel Design and specifications are subject to change without notice FM wire antenna 1 AM loop antenna 1 Remote commander remote 1 Size AA R6 batteries 2 You can change the AM tuning interval between 9 kHz and 10 kHz Turn off the receiver and press 1 power for more than 4 seconds until INITIAL appears 1 After tuning in any AM station turn off the receiver 2 Hold down PRESET TUNING button and press ...

Page 3: ...tedAC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A SAFETY CHECK OUT To Exposed Metal Parts on Set 0 15 µF 1 5 kΩ AC Voltmeter 0 75V Earth Ground Fig A Using an AC voltmet...

Page 4: ...tton PTY button FM MODE button FM AM button 6 SET UP button and indicator 7 NAME button and indicator 8 LEVEL button and indicator 9 SUR button and indicator q VIDEO button TV SAT button DVD MULTI CH button MD TAPE button CD button TUNER button qa MENU buttons qs MENU buttons qd ENTER button qf SOUND FIELD ON OFF and indicator MODE buttons qg TREBLE buttons BASS buttons qh MUTING button qj MASTER ...

Page 5: ... manual qs qa 3 4 5 6 7 9 q 1 2 8 1 ANTENNA AM FM 2 DVD MULTI CH 3 CD 4 MD TAPE 5 TV SAT 6 VIDEO 7 SUB WOOFER 8 SPEAKERS SURROUND 9 SPEAKERS CENTER q SPEAKERS FRONT qa VOLTAGE SELECTOR except Singapore Malaysia and Canada models qs AC power cord Rear Panel ...

Page 6: ... step Procedure Set the FUNCTION to AM Turn off the main power While depressing the TUNING button or the PRESET button press the power 1 button to turn on the main power Either the message AM 9 k STEP or AM 10 k STEP appears Select the desired step For Canadian E model only SOFTWARE VERSION DISPLAY MODE The software version is displayed Procedure While depressing the TUNER and the VIDEO buttons si...

Page 7: ...IT BOARDS LOCATION WAVEFORMS MAIN BOARD SECONDARY board PRIMARY board except E model VOL SEL board E model MAIN board DISPLAY board HEADPHONE board POWER SWITCH board STANDBY board 1 IC1 qf 2 2Vp p 230ns 2 IC103 qa 5 0Vp p 200ns DISPLAY BOARD ...

Page 8: ...rmal production tolerances Waveforms are taken with a oscilloscope Circled numbers refer to waveforms Signal path F FM J CD Abbreviation CND Canadian model MY Malaysia model SP Singapore model AR Argentina model THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this necessary note is printed in each block Note The components identified by mark or dotted line with ...

Page 9: ...706 D606 D506 D721 PROTECT SWITCH Q722 723 725 RELAY DRIVE Q791 RY791 RELAY DRIVE Q730 RY710 D731 RELAY DRIVE Q610 RY610 D735 RELAY DRIVE Q550 RY510 D734 IC401 3 1 RELAY DRIVE Q470 RY470 D736 L R SR SL C R CH R CH SPEAKERS FRONT SPEAKERS SURROUND SPEAKERS CENTER TM601 TM602 SUB WOOFER AUDIO OUT J403 21 AUTO STOP 22 T MUTE 23 STEREO IN 28 SIGNAL 24 PLL DATA 19 S DATA 18 S CLK 20 S CE 38 RDS CLK IN ...

Page 10: ...820 E 12 D821 E 13 D822 E 13 D823 D 12 D824 D 12 D825 D 13 IC1 C 1 IC201 D 5 IC202 D 3 IC401 C 7 IC501 E 5 IC701 E 7 IC702 E 8 IC801 D 11 IC802 D 12 IC803 D 12 IC804 E 12 IC805 B 2 IC807 C 8 Q361 D 7 Q362 D 8 Q363 D 8 Q364 D 9 Q365 D 7 Q366 D 8 Q470 C 8 Q501 F 2 Q502 G 3 Q503 G 3 Q504 G 4 Q505 F 3 Q506 F 3 Q507 F 4 Q509 F 4 Q550 C 10 Q601 F 10 Q602 G 11 Q603 G 10 Q604 G 11 Q605 G 12 Q606 F 11 Ref ...

Page 11: ...11 11 STR DE375 3 4 SCHEMATIC DIAGRAM MAIN SECTION 1 3 IC B D IC B D IC B D ...

Page 12: ...12 12 STR DE375 3 5 SCHEMATIC DIAGRAM MAIN SECTION 2 3 1 7uH 1 7uH 1 7uH 1 7uH 1 7uH ...

Page 13: ...13 13 STR DE375 3 6 SCHEMATIC DIAGRAM MAIN SECTION 3 3 IC B D ...

Page 14: ...Page 10 DVD MULTI CH TV SAT SOUND CONTROL FM AM FM MODE PTY PRESET PTY SELECT Ref No Location D201 B 12 D202 B 13 D203 C 11 D204 B 6 D210 C 9 D211 C 8 D212 D 7 D213 D 6 D215 D 6 IC103 B 10 IC203 B 13 Q201 B 7 Q202 B 6 Q210 D 3 Q211 D 3 Q212 D 3 Q213 D 3 Q215 D 3 Semiconductor Location ...

Page 15: ...15 15 STR DE375 3 8 SCHEMATIC DIAGRAM PANEL SECTION PRESET PTY SELECT FM MODE MUTING PTY FM AM PRESET PTY SELECT DVD MULTI CH TV SAT S231 ...

Page 16: ...16 16 STR DE375 3 9 PRINTED WIRING BOARD POWER SECTION CND MODEL ONLY 4 IC 950 ...

Page 17: ...17 17 STR DE375 3 10 SCHEMATIC DIAGRAM POWER SECTION IC B D ...

Page 18: ... used Not used Read decoded RDS clock Read signal when AC off µ com ground Not used Not used Not used Not used Control MUTING LED Power supply to µ com Detect Protector Status Control Power relay Read volume encoder changing Read volume encoder changing Pin Name VDD 5V S1 S2 IC MUTE P34 P33 S DATA M61501FP S CLK M61501FP S CE M61501FP RESET X2 X1 VSS RDS DATA IN VDD 5V S CE LV1050M S CLK DOLBY TUN...

Page 19: ... Description Control rear relay on off Control center relay Control speaker relay Control Headphone relay Control Woofer relay Detect power switch key Not used Not used Control muting circuit Not used Detect headphone insert Not used Control Setup LED Control Name LED Control LEVEL LED Control SURR LED Not used Control SF LED Control Bass Boost LED Not used Not used Not used Output signal to FL tu...

Page 20: ...ues pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié STR DE375 Ref No Part No Description Remarks Ref No Part No Description Remarks not supplied chassis section 6 6 6 5 7 3 4 4 8 4 4 2 1 2 1 1 4 232 113 01 KNOB VOL BLACK 1 4 232 113 11 KNOB VOL SILVER 2 X 4953 358 1 FRONT PANEL ASSY BLACK AEP UK 2 X 4953 433 1 FRONT PANEL ASSY SILVER AEP UK 2 X 4953 434 1 FRONT PANEL...

Page 21: ...3 E 57 4 232 119 51 BACK PANEL DE4 CND 57 4 232 119 71 BACK PANEL DE3 AR 58 3 703 244 00 BUSHING FBS001 CORD 059 1 777 071 21 CORD POWER AEP UK E SP MY 059 1 783 820 11 CORD POWER CND 059 1 783 941 11 CORD POWER AR 060 1 569 008 21 ADAPTOR CONVERSION 2P E 061 1 770 019 11 ADAPTOR CONVERSION PLUG 3P UK 62 4 921 941 01 CUSHION 63 3 701 748 00 CLAMP 64 1 680 495 11 VOL SEL BOARD E 65 4 956 370 02 BAN...

Page 22: ...C212 1 164 159 11 CERAMIC 0 1uF 50V C213 1 164 159 11 CERAMIC 0 1uF 50V CONNECTOR CNS202 1 691 767 11 PLUG MICRO CONNECTOR 5P CNS203 1 794 002 11 CONNECTOR 13P CND E SP MY AR CNS203 1 794 003 11 CONNECTOR 15P AEP UK CNS204 1 564 593 11 PLUG CONNECTOR 14P DIODE D201 8 719 911 19 DIODE 1SS133T 72 D202 8 719 911 19 DIODE 1SS133T 72 D203 8 719 911 19 DIODE 1SS133T 72 D204 8 719 911 19 DIODE 1SS133T 72...

Page 23: ...5 1 4W R274 1 247 807 31 CARBON 100 5 1 4W R275 1 247 807 31 CARBON 100 5 1 4W AEP UK R276 1 249 429 11 CARBON 10K 5 1 4W R277 1 249 429 11 CARBON 10K 5 1 4W R278 1 249 429 11 CARBON 10K 5 1 4W R279 1 249 429 11 CARBON 10K 5 1 4W R284 1 249 429 11 CARBON 10K 5 1 4W R285 1 249 429 11 CARBON 10K 5 1 4W R286 1 249 429 11 CARBON 10K 5 1 4W 0R298 1 249 381 11 CARBON 1 5 1 4W F 0R299 1 249 381 11 CARBON...

Page 24: ...1 ELECT 3 3uF 20 00 50V C311 1 136 167 00 FILM 0 15uF 5 00 50V C312 1 126 794 11 ELECT 4 7uF 20 00 50V C313 1 124 465 00 ELECT 0 47uF 20 50V C314 1 126 794 11 ELECT 4 7uF 20 00 50V C315 1 124 465 00 ELECT 0 47uF 20 50V C316 1 136 165 00 FILM 0 1uF 5 00 50V C317 1 136 165 00 FILM 0 1uF 5 00 50V C318 1 126 795 11 ELECT 10uF 20 00 50V C319 1 126 795 11 ELECT 10uF 20 00 50V C320 1 126 795 11 ELECT 10u...

Page 25: ...0 500V C505 1 104 665 11 ELECT 100uF 20 00 10V C506 1 102 936 00 CERAMIC 3 0PF 0 25PF 50V C510 1 104 664 11 ELECT 47uF 20 00 25V C511 1 137 372 11 MYLAR 0 022uF 5 00 50V C520 1 128 813 11 CERAMIC 220PF 5 50V C524 1 126 795 11 ELECT 10uF 20 00 50V C526 1 127 876 31 CERAMIC 0 01uF 10 50V C601 1 126 794 11 ELECT 4 7uF 20 00 50V C603 1 104 665 11 ELECT 100uF 20 00 10V C604 1 102 936 00 CERAMIC 3 0PF 0...

Page 26: ...1SS133T 77 D506 8 719 991 33 DIODE 1SS133T 77 D508 8 719 991 33 DIODE 1SS133T 77 D510 8 719 991 33 DIODE 1SS133T 77 D605 8 719 991 33 DIODE 1SS133T 77 D606 8 719 991 33 DIODE 1SS133T 77 D607 8 719 991 33 DIODE 1SS133T 77 D608 8 719 991 33 DIODE 1SS133T 77 D610 8 719 991 33 DIODE 1SS133T 77 D627 8 719 991 33 DIODE 1SS133T 77 D706 8 719 991 33 DIODE 1SS133T 77 D710 8 719 991 33 DIODE 1SS133T 77 D721...

Page 27: ...TP Q709 8 729 281 53 TRANSISTOR 2SC1815GR TPE2 Q715 8 729 281 53 TRANSISTOR 2SC1815GR TPE2 Q722 8 729 140 84 TRANSISTOR 2SC1841TP PAFAEA Q723 8 729 119 78 TRANSISTOR 2SC2785TP HFE Q725 8 729 140 82 TRANSISTOR 2SA988TP PAFAEA Q730 8 729 119 78 TRANSISTOR 2SC2785TP HFE Q751 8 729 119 76 TRANSISTOR 2SA1115TP EF Q752 8 729 141 30 TRANSISTOR 2SC3623ATP LK Q753 8 749 010 25 IC MN2488 OPY M CND SP MY Q75...

Page 28: ...W F R539 1 249 421 11 CARBON 2 2K 5 1 4W F R540 1 247 881 00 CARBON 120K 5 1 4W R541 1 249 431 11 CARBON 15K 5 1 4W R573 1 249 437 11 CARBON 47K 5 1 4W R601 1 249 417 11 CARBON 1K 5 1 4W F R602 1 249 439 11 CARBON 68K 5 1 4W R603 1 249 418 11 CARBON 1 2K 5 1 4W F CND R603 1 249 419 11 CARBON 1 5K 5 1 4W F E SP MY AR R603 1 249 421 11 CARBON 2 2K 5 1 4W F AEP UK R604 1 249 439 11 CARBON 68K 5 1 4W ...

Page 29: ... 439 11 CARBON 68K 5 1 4W R753 1 249 413 11 CARBON 470 5 1 4W F CND R753 1 249 414 11 CARBON 560 5 1 4W F E SP MY AR R753 1 249 415 11 CARBON 680 5 1 4W F AEP UK R754 1 249 439 11 CARBON 68K 5 1 4W R760 1 249 421 11 CARBON 2 2K 5 1 4W F R761 1 249 440 11 CARBON 82K 5 1 4W R763 1 249 414 11 CARBON 560 5 1 4W F 0R764 1 249 409 11 CARBON 220 5 1 4W F 0R765 1 249 409 11 CARBON 220 5 1 4W F 0R766 1 234...

Page 30: ...EP UK SP MY AR D910 8 719 200 82 DIODE 11ES2 NTA1B E D911 8 719 024 99 DIODE 11ES2 NTA2B CND AEP UK SP MY AR D911 8 719 200 82 DIODE 11ES2 NTA1B E D912 8 719 024 99 DIODE 11ES2 NTA2B CND AEP UK SP MY AR D912 8 719 200 82 DIODE 11ES2 NTA1B E D913 8 719 024 99 DIODE 11ES2 NTA2B CND AEP UK SP MY AR D913 8 719 200 82 DIODE 11ES2 NTA1B E D914 8 719 911 19 DIODE 1SS133T 72 CND AEP UK SP MY AR D914 8 719...

Page 31: ...268 11 TRANSFORMER POWER AR 0T901 1 435 269 11 TRANSFORMER POWER E 0T901 1 435 896 11 TRANSFORMER POWER AEP UK 0T901 1 437 285 11 TRANSFORMER POWER SP MY 0T901 1 437 286 11 POWER TRANSFORMER CND ACCESSORIES PACKING MATERIALS 1 476 552 11 COMMANDER STANDARD RM U305 1 501 374 11 ANTENNA LOOP AM 1 501 594 11 ANTENNA FM AEP UK SP AR 1 793 184 21 CONNECTOR F TYPE ADAPTOR CND E 4 228 696 01 COVER BATTER...

Page 32: ...STORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 03 New ...

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