Sony STR-DE185 free download

File name Schematic diagrams for Sony STR-DE185.pdf

STR-DE185 4-3. BLOCK DIAGRAM -- MAIN SECTION -- TM301 FM/AM TUNER UNIT 10V L CH R CH +10V SOUND CONTROL IC401 TUNER L REC L AUDIO AMP IC403 VIDEO,MD/TAPE SELECT IC404 J801 (2/2) -3 L R-CH -4 R J802 (2/2) -3 L Q474 INV. Q424 INV. R-CH -4 R AUDIO OUT VIDEO 1 OUT MD/TAPE FM 75 COAXIAL ANTENNA 9 R CH STEREO TUNED MUTE CE DI DO CL FM SG OUT RDS DATA RDS INT +10V 3 +3.3V REG IC904 1 -5 L MD/TAPE IN -6 R J802 (1/2) -1 L VIDEO 2 AUDIO IN -2 R -5 L VIDEO 1 AUDIO IN -6 R R-CH 5 CD IN J801 (1/2) -1 L -2 R R-CH 32 3 1 1 4 2 3 VOL L 7 CD L 29 STEREO AM TUNED MUTE CE DI DO CL FM SIGNAL OUT RDS DATA RDS INT 3.3V 13 TREBLE L MD L MIDDLE L BASS L VIDEO 2 3 R-CH VIDEO 1 CONTROL VOLUME CONTROL OUT L 20 3 ELECTRONIC VOLUME IC402 L IN L OUT 5 2 R-CH ST-L ST-R 1 R-CH DATA CLK DATA AEP,UK MODEL CLK 15 14 8 9 10 STB 1 FM SG OUT RDS DATA RDS INT STEREO TUNED MUTE CE DI DO CL POWER SECTION (Page 13) 22 15 46 19 18 50 12 10 11 9 14 13 41 42 43 37 36 FM SIGNAL OUT RDS DATA RDS INT STEREO TUNED TUNER MUTE CE DO DI CL VOL CL VOL DATA CK DATA STB REC SW2 REC SW1 SYS.POWER BASS B.LED SPK A LED SPK B LED SYSTEM CONTROLLER, FL DRIVER IC201 AC MUTE RY HP RY A RY B PROTECTOR RY R1 COIL RY POWER 45 60 58 59 16 56 57 AC MUTE HP RELAY SPK A RELAY SPK B RELAY PROTECTOR SIG R1 COIL RELAY POWER RELAY STOP SIGNAL VLOAD SIRCS VOL A VOL B DIG1 I DIG10 AD1 AD2 AD3 AD4 AD5 AD6 X1 X2 RESET S1 I S15 STOP 47 53 38 39 34 35 49 71 77 - 72,70 - 62 7 - 1,80 - 78 28 27 26 25 24 44 23 54 55 17 LED DRIVER Q206 1 3 X201 4.19MHz 1 KEY MATRIX REMOTE CONTROL RECEIVER IC202 -24V FL201 FLUORESCENT INDICATOR TUBE S204-239 S201 S202 S203 A B SPEAKERS F1 F2 LED DRIVER Q204 LED DRIVER Q205 RESET SWITCH Q201,202 I/ I D203 BASS BOOST RV201 MASTER VOLUME D205 A D206 B SPEAKERS · Signal path : FM/AM : MD/TAPE : VIDEO 1 : CD : VIDEO 2 · R-ch is omitted due to same as L-ch. 12 12 STR-DE185 4-4. BLOCK DIAGRAM -- POWER SECTION -- PRE DRIVER IC601 PRE DRIVE ST-L ST-R R-CH BIAS 6 IN 1 DRIVE R-CH J803 PHONES +VOUT -VOUT 2 3 POWER AMP Q701-704 OVERLOAD DET Q705,706 R-CH PROTECT SWITCH Q784-786 R-CH D786 -B +B RELAY DRIVER Q782 RY782 D787 RELAY DRIVER Q783 D789 RY783 R-CH R RELAY DRIVER Q781 RY781 L L A R MUTE VCC1 VCC2 VEE TM801 SPEAKERS IMPEDANCE USE 8-16 +B INV. Q681 AC MUTE MUTE CONTROL Q680 1 13 14 15 B HP RELAY SPK A RELAY SPK B RELAY PROTECTOR SIG R1 COIL RELAY RELAY DRIVER Q903 RY981 T901 POWER TRANSFORMER MAIN SECTION (Page 12) 1 +B -B RECT D907 -24V -24V REG Q904 RECT D908-911 3 +5V REG IC902 1 +5V F2 +10V 3 +10V REG 1 IC903 F2 RY982 POWER RELAY RELAY DRIVER Q901 RECT D901-904 +5.6V REG Q902 T902 POWER TRANSFORMER F902 F901 CNJ901 AC OUTLET SWITCHED 120W/1A MAX AC 120V 60 Hz (US) SWITCHED 100W MAX (AEP,UK) +5.6V ~ AC IN STOP SIGNAL 3 OUT C 8 RESET 7 VSA 2 VSC 5 V+ VSB/SESIN 6 D905 D906 · Signal path : FM/AM · R-ch is omitted due to same as L-ch. RESET/+5.6V REG IC901 13 13 STR-