Sony HCD-HX7 Service Manual - Page 35

HCD-HX3/HX5/HX7 6-17. SCHEMATIC DIAGRAM - MAIN Section (3/3) - • See page 46 for IC Block Diagrams. (Page 40) CN301 9P AUDIO IN L AUDIO IN GND AUDIO IN R AUDIO IN DET HP DET DGND HP L HP GND HP R (3/3) R101 4.7k R201 4.7k R102 47k R202 47k AINL AINR 69 68 (Page 25) CN308 21P(HX7) 25P(HX3/HX5) GATE ST_REQ GPIN/AIN SFSY/BCKIN ZDET/LRCKIN CD DRIVE MUTE MGND VM(7V) C305 10 50V DVDD(3.3V) C306 0.1 D-OUT DGND SBSY REQ CCE (HX3/HX5) R491 100k BUCK BUS3 BUS2 BUS1 BUS0 RST AGND L-OUT DACGND R-OUT AVDD(3.3V) C303 0.1 (HX3/HX5) GATE ST_REQ GPIN/AIN SFSY/BCKIN ZDETLRCKIN 22 R103 1k R203 1k 19 REQ XCCE BUCK BUS3 BUS2 BUS1 BUS0 25 L-OUT R-OUT LOADING MOTOR DRIVE IC320 BA6956AN VCC GND O- VC OPEN O+ CLOSE R405 1k R406 0 R407 1k GND 48 I+ VM 49 I- EP102 (CHASSIS) (HX3/HX5) (Page 27) CN307 19P CCE BUCK BUS3 BUS2 BUS1 BUS0 DVDD3.3V DVSS LRCK USB-RST ST-REQ REQ GATE A-IN BCK USB-SI(RXD) USB-SO(TXD) DI(CTS) DO(RTS) C355 0.1 Q327 KTA1271Y-AT CCE BUCK1 BUS3-1 BUS2-1 BUS1-1 BUS0-1 Q327,329,330 B+ SWITCH 28 R408 10k ZDETLRCKIN 27 ST_REQ REQ1 GATE GPIN/AIN SFSY/BCKIN 35 36 38 37 R347 47k R341 470 Q329 RT1N141C R346 10k Q330 2SC3052F D213 1N4002-B5 21 Y R-OUT AINR AINL L-OUT X AOUTL Q312 KTA1271Y-AT R398 R399 47k 470 R385 10k D211 1N4002-B5 Q312,313,325,326 B+ SWITCH Q313 RT1N141C-TP-1 Q326 2SC3052F D212 1N4002-B5 R257 R258 R259 47k 10k 47k C251 1 50V C250 1 50V C249 1 50V C149 1 50V C150 1 50V C151 1 50V C152 1 50V C253 2.2 50V C254 2.2 50V (HX5/HX7) BASR2 BASR1 INL4 INL3 INL2 INL1 INR1 INR2 INR3 INPUT SELECTOR, ELECTRICAL VOLUME, SURROUND/TONE CONTROL IC304 R2S15904SP -AUDIO IN- -CD-USB- -TU- C256 0.082 C258 0.082 C260 0.082 R260 10k 50 51 CLOSE OPEN CN320 5P OPEN SW CLOSE SW DGND CLOSE OPEN C322 0.1 CN001 5P OPEN SW CLOSE SW DGND CLOSE OPEN BASL2 BASL1 TREL VOLINR TRER IGOUTR DGND VOLINL CLK IGOUTL NC NC DATA REFIN VCC AGND ROUT LOUT INR4 55 C106 4.7 50V C206 4.7 50V C252 (HX5/HX7) 1 50V R108 220 R107 47k R207 47k R208 220 C269 10 50V R452 0 R453 0 C263 C265 0.047 0.047 C264 C266 0.01 0.01 C268 0.082 56 B3 B4 B1 B2 (Page 33) C2 C1 C3 C4 (Page 34) 100 1 AOUTR LIN RIN 26 6 Q325 2SC3052F D210 R352 1SS355W 100 C370 0.1 JR105 0 (HX7) JR104 0 DATA BUS SWITCH IC311 TC74HC4066AFT VCC 1C 4C 4A 4B 3B 3A DATA BUS SWITCH IC312 TC74HC4066AFT 1A 1B 2B 2A 2C 3C GND R396 10k JR106 0 (HX7) JR107 0 3 2 BUS0 BUS0-1 BUS1-1 BUS1 23 BUCK1 BUCK 24 CCE XCCE 1A 1B 2B 2A 2C 3C GND VCC 1C 4C 4A 4B 3B 3A BUS3 BUS3-1 BUS2-1 BUS2 R333 10k Q321 RT1N141C INVERTER C371 0.1 C372 0.1 SIGNAL SELECTOR IC313 TC74VHC157FT JR111 0 (HX7) A /B 1A 1B 1Y 2A 2B 2Y GND VCC G 4A 4B 4Y 3A 3B 3Y (HX7) REQ JR108 0 REQ1 C323 0.1 EP101 X1 Y1 JR102 0 R235 47k R135 47k R234 2.2k R134 2.2k (CHASSIS) JR110 0 87 90 89 88 18 86 CN318 HX3:CND/HX5:CND, 9P AUS,KR/HX7 11P(HX3:AEP/HX5:AEP,UK) L OUT +9V R OUT AGND NC ST CE ST DIN ST CLK DO/STEREO RDS CLK RDS DATA (HX3:AEP,HX5:AEP,UK) TUNER (FM/AM) SUPPLIED WITH THE ASSEMBLED BLOCK S001 DISC TRAY OPEN/CLOSE DETECT OPEN CLOSE M001 (LOADING) FM 75Ω COAXIAL ANTENNA AM HCD-HX3/HX5/HX7 35 35