Sony HCD-EC68P Service Manual - Page 42

HCD-EC68P/EC78P • IC Block Diagrams - CD Board - IC201 TK63115SCL-G@GT VIN 1 GND 2 VCONT 3 THERMAL & OVER CURRENT PROTECTION VOLTAGE - REFERENCE + ON/OFF CONTROL - MAIN Board - IC602 BD3499FV-E2 A1 1 A2 2 B1 3 B2 4 C1 5 C2 6 D1 7 D2 8 SEL2 9 SEL1 10 VOL1 11 VOL2 12 TC2 13 TC1 14 INPUT SELECTOR INVERTER VOLUME INPUT GAIN TREBLE/ BASS HCD-EC68P/EC78P VCC OUT GND INV STBY VREF OUT2 RNF OUT1 VM VCC FIN GND RIN 5 VOUT 4 NC IC401 BA5826SFP-E2 VO1(-) 1 D.BUFF VO1(+) 2 D.BUFF IN1 3 LEVEL SHIFT RESET 4 THERMAL SHUT-DOWN REGULATOR BIAS TRAP LEVEL SHIFT 28 GND D.BUFF D.BUFF 27 VO4(-) 26 VO4(+) 25 IN4 24 IN4' REGULATOR REGB 5 REGOUT 6 MUTE 7 GND 8 IN2' 9 MUTE IN2 10 D.BUFF VO2(+) 11 D.BUFF VO2(-) 12 GND 13 OPOUT 14 LEVEL SHIFT 23 BIAS VCC 22 VCC VCC 21 VCC 20 IN3' LEVEL SHIFT 19 IN3 D.BUFF D.BUFF 18 VO3(+) 17 VO3(-) 16 RESETt 15 OPIN IC701 BD9701CP-V5 28 FIL 27 GND PC BUS LOGIC 26 SDA 25 SCL 24 VCC SURROUND 23 OUT1 REGULATOR STANDBY VOLTAGE REFERENCE 1 2345 22 SB1 21 SR 20 SB2 19 OUT2 18 BCB1 17 BCA1 16 BCA2 15 BCB2 42 IC801 LV23003VA AM RF-IN 1 AM FM RF RF REG 2 FM-MIX 3 GND1 4 AM-MIX 5 VCC1 6 AMIF-IN 7 FMIF-IN 8 FM MIX AM MIX AGC AM AM IF DET FM FM IF DET FM S-METER FM OSC OSC BUFFER AM OSC LOW-PASS FILTER P-DET 9 IF BUFFER P-COMP 10 FM-DET 11 L-OUT 12 R-OUT 13 VSS 14 DECODER PIROT DET FF FF PHASE COMPARATOR MUTE SD ST TRIG STSW FF VCO UNIVERSAL COUNTER CE 15 DI 16 CCB CL 17 I/F DO 18 DATA SHIFT REGISTER LATCH PROGRAMMABLE DIVIDER SWALLOW COUNTER UNLOCK DETECTOR POWER ON RESET PHASE DETECTOR CHARGE PUMP REFERENCE DIVIDER 36 FM RF-IN 35 GND2 34 FMRF-OUT 33 VCC2 32 FM-OSC 31 AM-OSC 30 BO2 29 BO1 28 LP-OUT 27 LP-IN 26 PD 25 AGC 24 AMDET-OUT 23 FMDET-OUT 22 MPX-IN 21 VDD 20 XOUT 19 XIN - PANEL Board - IC303 BA6956AN TSD CONTROL LOGIC 1 2 3 4 5 6 7 8 9 42