Sony STR-DE185, Service Manual

Page 1: ...D MD TAPE 20 Hz 50 kHz VIDEO 1 VIDEO 2 0 0 5 dB with bass boost bypassed Inputs Analog CD MD TAPE Sensitivity 250 mV VIDEO 1 VIDEO 2 Impedance 50 kilohms S N 2 85 dB A 250 mV 3 2 INPUT SHORT 3 Weighted network input level SPECIFICATIONS Outputs MD TAPE VIDEO 1 Voltage 250 mV Impedance 10 kilohms Bass Boost 8 dB at 70 Hz Tone 10 dB at 100 Hz and 10 kHz FM tuner section Tuning range 87 5 108 0 MHz A...

Page 2: ...to 9 kHz or 10 kHz After tuning in any AM station turn off the receiver Hold down PRESET TUNING and press 1 All preset stations will be erased when you change the tuning scale To reset the scale to 10 kHz or 9 kHz repeat the procedure General Power requirements Area code Power consumption US 120 V AC 60 Hz AEP UK 230 V AC 50 60 Hz Power consumption Area code Power consumption US 190 W AEP UK 210 W...

Page 3: ...original service problem perform the following safety check before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chas...

Page 4: ...IRECT wg 13 DISPLAY qa 12 16 Display 9 11 16 18 19 FM 6 13 14 FM MODE wd 14 I O IR receptor 2 4 22 SHIFT wh 15 SLEEP models of area code U 4 19 SPEAKERS A wj 10 12 SPEAKERS B wk 10 12 T Z TREBLE w 12 TUNER qh 8 12 15 18 TUNING CHAR ws 14 18 VIDEO 1 qs 12 VIDEO 2 qd 8 12 BUTTON DESCRIPTIONS 1 power 1 11 13 23 MASTER VOLUME qj 12 20 MD TAPE qf 8 12 MEMORY ENTER wf 13 15 18 MUTING qk 12 20 NAME 5 18 ...

Page 5: ... mode 3 VIDEO 2 Receiver To watch VCR VTR mode 1 DVD Receiver To watch DVD MD TAPE Receiver To listen to Minidisc or audio tape CD Receiver To listen to compact disc TUNER Receiver To listen to radio programs SHIFT Receiver Press repeatedly to select a memory page for presetting radio stations or tuning to preset stations D TUNING Receiver Tuner station direct key in mode BALANCE Receiver Adjust t...

Page 6: ...uence SECTION 2 DISASSEMBLY 2 1 CASE 2 1 CASE Page 6 2 2 FRONT PANEL SECTION Page 7 2 3 BACK PANEL Page 7 SET 2 4 MAIN BOARD Page 8 Note Follow the disassembly procedure in the numerical order given 1 two screws case 3 TP2 2 two screws case 3 TP2 3 two screws case 3 TP2 4 case ...

Page 7: ...K PANEL 6 front panel section 4 two screws BVTP3 x 8 1 CN4 2 CN5 3 CNP801 5 four screws BVTP3 x 8 1 CN3 2 CNP901 3 CNP907 4 three screws BVTP3 x 8 5 two screws BVTP3 x 8 6 two screws BVTP3 x 8 7 screw BVTP3 x 8 8 screw BVTP3 x 8 9 back panel DE1 ...

Page 8: ...8 STR DE185 2 4 MAIN BOARD 4 two screws BVTP3 x 8 5 screw BVTP3 x 8 8 MAIN board 6 screw BVTP3 x 8 7 3 two screws BVTP3 x 8 1 CNP904 2 CNP905 ...

Page 9: ...eck Mode AEP UK models To auto scanning and memories of RDS station Procedure 1 While pressing the MEMORY ENTER button press the 1 button to turn the power ON 2 The message AUTO BETICAL SELECT are scrolled AM Tuning Interval Selection Mode US model Either 9 kHz step or 10 kHz step can be selected for the AM tuning interval Procedure 1 While pressing the TUNING CHAR button press the 1 button to tur...

Page 10: ...ter power supply pin 5 V 30 AVREF A D converter reference voltage input 5 V 31 NC Not used Connect to AVREF pin in this set 32 OPEN Not used Open 33 GND Ground 34 X1 I Master clock input 4 19 MHz 35 X2 O Master clock output 4 19 MHz 36 REC SW1 O VIDEO 1 ON OFF signal output 37 REC SW2 O MD TAPE ON OFF signal output 38 39 VOL A B I Master volume JOG data input A B 40 FUNC MUTE O Not used Fixed at L...

Page 11: ...e signal output 61 NC Not used Open 62 to 70 S15 to 7 O Segment drive signal output to the fluorescent indicator tube FL201 71 VLOAD Power supply pin 24 V 72 to 77 S6 to 1 O Segment drive signal output to the fluorescent indicator tube FL201 78 to 80 DIG10 to 8 O Digit drive signal output to the fluorescent indicator tube FL201 Pin No Pin Name I O Pin Description 4 2 CIRCUIT BOARDS LOCATION MAIN b...

Page 12: ... RELAY STOP SIGNAL RESET SWITCH Q201 202 BASS B LED VOL A VOL B X1 X2 VLOAD AD1 AD2 AD3 AD4 AD5 SYS POWER AD6 SPK A LED SPK B LED DIG1 I DIG10 S1 I S15 SIRCS S201 S202 S203 I I SPEAKERS D205 D206 SPEAKERS A B X201 4 19MHz D203 RV201 MASTER VOLUME BASS BOOST A B S204 239 SYSTEM CONTROLLER FL DRIVER IC201 J801 1 2 J802 1 2 1 L 2 R IN CD 5 L 6 R IN MD TAPE J801 2 2 VIDEO MD TAPE SELECT IC404 AUDIO AM...

Page 13: ...H RY782 RY783 RECT D901 904 RECT D908 911 RECT D907 T901 POWER TRANSFORMER T902 POWER TRANSFORMER D905 D906 CNJ901 AC OUTLET SWITCHED 120W 1A MAX AC 120V 60 Hz US SWITCHED 100W MAX AEP UK AC IN B B B MUTE VCC1 VCC2 VEE PRE DRIVER IC601 PRE DRIVE IN 1 VOUT VOUT OVERLOAD DET Q705 706 PROTECT SWITCH Q784 786 R CH J803 PHONES TM801 SPEAKERS IMPEDANCE USE 8 16Ω L R A L R B R CH R CH ST L ST R INV Q681 ...

Page 14: ...Q785 R911 R756 C752 D903 CC451 D904 C452 C911 IC601 C907 R481 D982 R703 J801 JW456 JW428 CC459 D907 CC702 CC701 CC751 CC752 JW480 R901 JW509 JW510 JW511 JW409 JW408 JW407 TM801 T902 R425 R475 JW438 JW437 JW436 JW435 CC704 JW482 JW426 R483 R484 R485 JW441 JW416 R457 JW504 JW505 JW417 JW405 R758 Q784 Q786 L751 B901 C682 C606 C656 C914 C915 JW473 R471 R472 JW450 R708 JW461 R759 D782 JW465 JW466 JW449...

Page 15: ... mark FM Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F FM AM L MD TAPE g VIDEO 1 J CD c VIDEO 2 Note The components identified by mark 0 or dotted line with mark 0 are ...

Page 16: ...R461 R462 R411 R412 R926 R467 R468 R418 R417 R460 R410 R427 R428 R421 C456 C406 C490 C458 C408 C462 C412 C476 C426 C931 C924 C425 C421 C467 C466 C417 C416 C415 C464 C463 C465 C485 C470 C420 C471 C402 C452 C483 R426 R476 R475 R425 R925 R924 R921 R922 R920 C413 C414 R413 R463 R477 R478 C475 R471 C928 C472 R919 CN3 CN4 IC904 C927 C926 IC903 J801 J802 CC451 CC401 CC453 CC403 CC455 CC405 CC457 CC407 CC...

Page 17: ...5 R923 D912 R917 R652 R602 R603 R653 C606 C656 C929 C930 C921 C920 C919 C922 C911 C791 C910 C903 C904 C908 C905 C917 C914 C705 C912 C913 C901 C902 C682 C601 C651 R655 C657 C607 R605 C751 C701 R757 R711 R712 R709 R701 R702 R753 Q752 Q702 R703 Q753 R752 R751 D751 R762 R761 R760 R710 D701 C755 R713 R763 L751 L701 R795 R785 R784 C781 Q785 R790 D787 D786 Q783 D788 D789 C916 R914 C906 C907 R902 R908 R90...

Page 18: ...6 S207 S208 S209 S210 S211 S212 S213 S216 S217 S218 S219 S220 S221 S222 S223 S224 S225 S226 S227 S228 S229 S230 S231 S232 S233 S234 S235 S236 S237 S238 R230 R303 R262 S239 S214 S215 C217 C218 C206 C219 C226 C213 C215 C214 R310 R308 R309 R307 R306 C216 R298 R255 C211 C212 R302 R291 R292 R250 C221 C222 R239 R249 R265 R266 R267 R268 R276 R275 R274 R269 R270 R271 R280 R279 R287 R286 R285 R284 R283 R27...

Page 19: ...21 S216 S219 S218 S217 S220 S231 S226 S225 S224 S237 S233 S234 S232 S235 S236 S238 S229 S228 S230 IC202 C207 R291 R260 R307 R310 R229 R309 R272 R296 R248 R302 R249 R238 R286 S222 R269 R264 R287 R263 R268 R233 R232 R253 R254 R270 R292 R247 R261 R279 D204 R308 R278 C219 R277 Q201 D201 S227 R283 R271 D203 R284 Q202 R276 R236 R257 R234 R265 R235 C206 C212 R288 R282 C214 C215 C218 C204 X201 R245 C222 R...

Page 20: ...10kHz VCC 2 0dB to 59dB 0dB to 70dB 0dB to 70dB VCC 2 0dB to 59dB TREBLE R fc 10kHz MIDDLE R f0 1kHz MIDDLE L f0 1kHz BASS L f0 90Hz BASS R f0 90Hz LOGIC 2 3 5 4 6 7 9 8 1 MUTE VOUT1 VOUT1 COMP1 NF1 IN1 GND IN2 NF2 COMP2 VOUT2 VOUT2 VCC1 VCC2 VEE PROTECTOR BIAS CIRCUIT REG DRIVE PRE DRIVE 11 10 12 13 15 14 DRIVE PRE DRIVE 1 VSS 2 L OUT 3 L IN L CH DATA LATCH CIRCUIT LEVEL SHIFT CIRCUIT 4 NC 5 A GN...

Page 21: ...not supplied Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Accessories are given in the last of this parts list R R The com...

Page 22: ...54 455 1 PANEL ASSY FRONT AEP UK 54 1 683 817 11 POWER SW BOARD 55 1 683 816 11 HP BOARD 56 4 951 620 01 SCREW 2 6X8 BVTP 57 1 765 332 11 WIRE FLAT TYPE 15 CORE 58 A 4727 878 A DISPLAY BOARD COMPLETE US 58 A 4727 882 A DISPLAY BOARD COMPLETE AEP UK 59 1 773 054 11 WIRE FLAT TYPE 17 CORE US 59 1 773 125 11 WIRE FLAT TYPE 19 CORE AEP UK 51 52 52 53 54 55 56 56 56 56 56 57 58 59 supplied with RV201 ...

Page 23: ... 109 11 FUSE 5A 125V US 5 3 CHASSIS SECTION 101 101 102 103 104 105 106 107 108 109 T901 3 3 2 2 1 F902 F901 1 2 Q703 Q704 Q753 Q754 1 1 1 1 1 1 1 1 TM301 1 not supplied not supplied not supplied 0F902 1 532 464 31 FUSE T2 5A 250V AEP UK 0F902 1 576 109 11 FUSE 5A 125V US Q703 8 749 010 25 TRANSISTOR MN2488 OPY M Q704 8 749 010 26 TRANSISTOR MP1620 OPY M Q753 8 749 010 25 TRANSISTOR MN2488 OPY M Q...

Page 24: ...AMIC 0 1uF 50V C215 1 126 795 11 ELECT 10uF 20 50V C216 1 126 795 11 ELECT 10uF 20 50V C217 1 128 821 21 CERAMIC 0 001uF 5 50V C218 1 128 821 21 CERAMIC 0 001uF 5 50V C219 1 126 794 11 ELECT 4 7uF 20 50V C221 1 128 821 21 CERAMIC 0 001uF 5 50V C222 1 128 821 21 CERAMIC 0 001uF 5 50V C225 1 164 159 21 CERAMIC 0 1uF 50V C226 1 164 159 21 CERAMIC 0 1uF 50V CONNECTOR CN1 1 568 440 11 SOCKET CONNECTOR ...

Page 25: ...1 CARBON 10K 5 1 4W US R294 1 249 429 11 CARBON 10K 5 1 4W US R295 1 249 429 11 CARBON 10K 5 1 4W US R296 1 247 807 31 CARBON 100 5 1 4W R298 1 249 425 11 CARBON 4 7K 5 1 4W R299 1 247 807 31 CARBON 100 5 1 4W R300 1 247 807 31 CARBON 100 5 1 4W R301 1 247 807 31 CARBON 100 5 1 4W R302 1 249 437 11 CARBON 47K 5 1 4W R303 1 249 441 11 CARBON 100K 5 1 4W R306 1 249 437 11 CARBON 47K 5 1 4W R307 1 24...

Page 26: ...0V C465 1 136 167 00 FILM 0 15uF 5 50V C466 1 136 169 00 FILM 0 22uF 5 50V C467 1 136 169 00 FILM 0 22uF 5 50V C468 1 137 368 11 MYLAR 0 0047uF 5 50V C469 1 126 964 11 ELECT 10uF 20 50V C470 1 126 794 11 ELECT 4 7uF 20 50V C471 1 164 159 21 CERAMIC 0 1uF 50V C472 1 126 965 11 ELECT 22uF 20 50V C474 1 126 964 11 ELECT 10uF 20 50V C475 1 126 965 11 ELECT 22uF 20 50V C476 1 126 964 11 ELECT 10uF 20 5...

Page 27: ...K CC751 1 127 876 11 CERAMIC 0 01uF 10 50V AEP UK CC753 1 127 876 11 CERAMIC 0 01uF 10 50V AEP UK CONNECTOR CN3 1 569 060 11 SOCKET CONNECTOR 11P US CN3 1 569 321 11 SOCKET CONNECTOR 15P AEP UK CN4 1 568 440 11 SOCKET CONNECTOR 17P US CN4 1 569 323 11 SOCKET CONNECTOR 19P AEP UK CN5 1 569 321 11 SOCKET CONNECTOR 15P CNP901 1 564 321 00 PIN CONNECTOR 2P CNP903 1 564 242 00 PIN CONNECTOR 5P CNP904 1...

Page 28: ...N 47K 5 1 4W R417 1 249 433 11 CARBON 22K 5 1 4W R418 1 249 433 11 CARBON 22K 5 1 4W R421 1 249 437 11 CARBON 47K 5 1 4W R422 1 249 433 11 CARBON 22K 5 1 4W R423 1 249 433 11 CARBON 22K 5 1 4W R424 1 249 429 11 CARBON 10K 5 1 4W R425 1 249 425 11 CARBON 4 7K 5 1 4W R426 1 249 425 11 CARBON 4 7K 5 1 4W R427 1 249 441 11 CARBON 100K 5 1 4W R428 1 249 441 11 CARBON 100K 5 1 4W R451 1 249 425 11 CARBO...

Page 29: ...4W R902 1 249 381 11 CARBON 1 5 1 4W 0R903 1 219 237 11 SOLID 3 3M 20 1 2W F US R904 1 249 435 11 CARBON 33K 5 1 4W R905 1 249 433 11 CARBON 22K 5 1 4W R906 1 249 421 11 CARBON 2 2K 5 1 4W R907 1 249 428 11 CARBON 8 2K 5 1 4W R908 1 249 422 11 CARBON 2 7K 5 1 4W R909 1 249 431 11 CARBON 15K 5 1 4W R910 1 249 429 11 CARBON 10K 5 1 4W R911 1 247 843 11 CARBON 3 3K 5 1 4W R912 1 249 417 11 CARBON 1K ...

Page 30: ...SE 5A 125V US 0F902 1 532 464 31 FUSE T2 5A 250V AEP UK 0F902 1 576 109 11 FUSE 5A 125V US Q703 8 749 010 25 TRANSISTOR MN2488 OPY M Q704 8 749 010 26 TRANSISTOR MP1620 OPY M Q753 8 749 010 25 TRANSISTOR MN2488 OPY M Q754 8 749 010 26 TRANSISTOR MP1620 OPY M 0T901 1 437 625 11 TRANSFORMER POWER US 0T901 1 437 626 11 TRANSFORMER POWER AEP UK TM301 1 693 533 11 TUNER FM AM ANTENNA AEP UK TM301 1 693...

Page 31: ...31 STR DE185 MEMO ...

Page 32: ...ISTORY 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 2002 02 New ...