Sony STRV220 free download

File name Sony-STRV220 rec.pdf

STR-V220 SERVICE MANUAL US Model SPECIFICATIONS -- Continued on next page -- FM STEREO/FM-AM RECEIVER MICROFILM ­1­ STR-V220 4-2. SCHEMATIC DIAGRAM ­ MAIN (1/3) SECTION ­ · See page 6 for Waveforms. · See page 13 for Printed Wiring Board. · See page 23 for IC Block Diagrams. (Page 19) (Page 11) (Page 11) (Page 17) ­7­ ­8­ STR-V220 4-3. SCHEMATIC DIAGRAM ­ MAIN (2/3) SECTION ­ · See page 13 for Printed Wiring Board. (Page 20) (Page 11) ­9­ ­ 10 ­ STR-V220 4-4. SCHEMATIC DIAGRAM ­ MAIN (3/3) SECTION ­ · See page 24 for IC Block Diagrams. (Page 9, 10) (Page 8) (Page 8) ­ 11 ­ ­ 12 ­ STR-V220 4-7. SCHEMATIC DIAGRAM ­ DISPLAY SECTION ­ · See page 6 for Waveforms. · See page 25 for IC Block Diagrams. · See page 26 for IC Pin Function. (Page 20) (Page 20) (Page 7) (Page 19) ­ 17 ­ ­ 18 ­ STR-V220 4-8. SCHEMATIC DIAGRAM ­ PANEL SECTION ­ (Page 18) (Page 17) (Page 18) (Page 8) (Page 9) ­ 19 ­ ­ 20 ­ STR-V220 4-10. IC BLOCK DIAGRAMS · Main section IC301 LV1035M L+R RECT L-R RECT DC CUT4 DC CUT1 DC CUT2 VLR TH R BPF3 DC CUT3 IN L BPF3 VCS TH VCS 1 VLR 2 VLR 1 L RECT R RECT VCS 2 IC401 LC7822 IC950 NJM2103D 1 2 3 OUT 48 L BPF2 IN 4 5 6 7 OUT 8 9 IN 10 OUT VCA VCA VCA VCA VEE A B VCA VCA VCA VCA A B CH CONTROL 44 DC CUT VOL R 46 RT IN 11 12 LEVEL SHIFT 30 29 IN 28 27 OUT 26 CR 1 8 RESET 64 63 62 R BPF2 1 61 RECT 60 59 58 57 56 55 54 53 52 RECT 51 50 49 ­ + VSC 2 + ­ VREF 7 VSA 25 IN 24 23 OUT 22 IN 21 20 OUT 19 VDD R BPF1 2 BPF RECT LOGIC FF LOGIC LOGIC LOGIC FF RECT BPF 47 L BPF1 OUTC 3 6 VSB/SESIN GND 4 Q R S + ­ + ­ 5 V+ DI CONTROL CE 13 14 LATCH 18 RESET 17 S S DC OUT 3 C DC OUT 4 R DC OUT 5 L DC OUT 6 CL 15 VOL L 45 LT IN SHIFT RESISTOR 16 VSS IC501 LA1838 AM-DET OUT FM-DET OUT AMP OUT R AMP OUT L OSC.BUFF FM-SD.ADJ AMP-IN R AM-RF-IN AMP-IN L V REF 7 VCC 8 C OUT 9 V REF S MODE STRIM C MODE BPF CONTROL 43 42 41 40 OSC C MODE GND NS BPF1 NS BPF2 AM-OSC MPX-IN FM-AFC C S NOISE FILTER S OUT 10 30 29 28 REG 27 26 25 24 23 22 21 20 OUT R OUT L AGC REG 19 18 17 16 39 OSC ALC AM OSC AM MIX AM RF. AMP AGC STEREO DRIVE AM IF AM/FM IF BUFF MUTE DET AM S METER TUNING DRIVE GND 35 DATA 34 CLK 33 VSS 1 FM-IN A R OUT 11 R B A L OUT 12 L B R A B A B NOISE GEN DEV BUFF DECODER ANTI BIRDIE STEREO SW L SD COMP 38 CLK GND 13 STRIM A VOL/ MUTE DC CUT B A R IN 15 A R B S IN 16 S A S B S A R B A L PCM B PCM CONTROL B B SRAM A S IN FILTER C A S OUT FILTER B NR FF VCO FF FF PILOT DET L IN 14 A B L B DATA DECODER 37 DATA FM S METER FM IF S-CURVE FM DET PHASE DET 36 ENABLE A VCC 6 TUNED B 2 3 AM-MIX FM-IF 4 AM-IF 5 GND 7 STEREO 8 VCC 9 FM DET 10 AM. SD 11 FM. SD 12 AM. SD ADJ 13 IF-BUFF MUTE 14 AM/FM 15 VCO-STOP VDD 17 18 19 20 21 DET GND DELAY OUT IREF VCC 22 S-OUT 23 R-OUT 24 L-OUT 25 DC CUT 26 DC CUT 27 28 29 A/D NS D/A 30 VDD 31 OSC 32 OSC ­ 23 ­ ­ 24 ­ IC502 LC72131 XOUT AOUT FMIN VDD VSS AMIN PD IFIN 12 UNIVE