Sony CDX-M800 Service Manual - Page 22

CDX-M800 4-3. BLOCK DIAGRAM - TUNER SECTION - CN503 (ANTENNA) TUNER UNIT TUX501 1 ANT L4 R3 CD SECTION (Page 21) A CDL AM SDA 14 SCL 13 RDS 9 QUALITY 5 AEP,UK,E MODEL RDS DECODER IC502 16 FM DET 4 OSCD SDA 9 SCL 10 5 OSCI X501 4.3MHz DAVN 8 TU MUTE 7 MUTE CONDITION 8 S-METER 6 SDA 17 EEPROM SCL 16 • Signal path : FM : AM/MW : CD • R-ch is omitted due to same as L-ch. AU +8V +5V REG Q501 TU+5V ELECTRONIC VOLUME IC401 4 PDL 42 MDL 32 AC OUT L 31 AC IN L 40 AML 12 SDA 13 SCL 15 MUTE LF 25 OUT LR 24 OUT SW 17 SA CLK 14 SA OUT 16 SYSTEM CONTROL IC303 (2/3) 26 VOL ATT 28 I2C SIO 27 I2C CKO 17 DAVN 80 QUALITY 32 TUNER ATT 73 TU ATT IN 82 VSM 33 EESIO 34 EECKO SA IN 43 SA CLK 23 BUS/AUX 66 ATT 25 BEEP 20 AMP STB 41 AMPDIAG 40 XOUT 9 XIN 8 X301 32.768kHz OSCOUT 11 OSCIN 13 TEL ATT 24 X302 6MHz ILL IN 69 ACC IN 68 TEST IN 63 Q408 Q171 Q181 R-CH R-CH R-CH PJ401-1 L -2 R BUS AUDIO IN -5 L -6 AUDIO OUT FRONT R -3 L -4 AUDIO OUT REAR R Q103 ILLUMI CHECK Q907 ACC DET Q102 MUTE DRIVE Q401,402 Q470 +10V AU+8V +5V DR+6V A+5V AU+5V D+5V POWER AMP/POWER SUPPLY IC201 5 FL 12 3 RL 11 2 SDA 4 SCL 16 22 STB 25 DIAG 34 DISP;B 30 AU8V 37 U-COM 33 MECHA 31 SERVO 9 7 R-CH SW1 29 SW2 27 VP2 6 VP1 20 VP 35 BATT CN401 (SUB OUT(MONO)) CNP101 1 FL+ 9 FL- 2 RL+ 10 RL- 4 12 FR+ FR- 3 RR+ 11 RR- 5 AMP REM 6 ANT REM 19 17 F901 18 16 BATT 13 ATT 14 ILL 7 ACC 15 TEST 22 22