SONY CDX2500R free download

File name cdx-2500r.pdf

CDX-2500R 4-2. BLOCK DIAGRAM -- CD SECTION -- OPTICAL PICK-UP KSS-521A RF AMP, SERVO CONTROL IC2 PD1 PD2 E F RF 0 31 CLK XLT DATA SENS FOK C. OUT 19 20 21 24 25 23 DIGITAL SIGNAL PROCESSOR IC1 14 RF 59 57 56 54 1 55 CLKO XLTO DATO SEIN FOK CNIN PCMD 21 BCK 22 LRCK 20 XTAI 34 D/A CONVERTER IC702 5 DIN 6 BCKIN 4 LRCIN 19 CLKO 1 XTI 20 XTO SYSTEM CONTROL IC801 (1/3) VOUTL 12 VOUTR 9 R-CH CD L-CH I-V AMP 35 36 39 38 A TUNER SECTION (Page 23) 1 FEO 2 FEI RV4 FOCUS GAIN PD 34 PD X700 16.9344MHz 15 RSTB FE BIAS 37 RV1 FOCUS BIAS 50 XRST MC/DM1 17 30 DEEMPH XRST 22 LD POWER CONTROL Q1, 2 33 LD SL O 16 FE O 6 TA O 13 LD GFS SENS SQSO SQCK DATA XLAT CLOK SCOR 27 49 46 47 51 52 53 43 5 6 78 17 19 4 3 28 75 XRST GFS CD SENS SQ SI SQ CKO DATA25 XLAT25 CLOK25 SCOR FOCUS/TRACKING COIL DRIVE, MOTOR DRIVE IC3 CH2+ TRACKING CH2­ CH1+ FOCUS CH1­ CH3+ M902 (SLED) SW3 (LIMIT) SW1 (DISC IN) LEVEL SHIFT 19 CH1 IN 3 MDP SW4 (DOWN) SW2 (SELF) 116 L SW 16 15 18 17 13 14 LEVEL SHIFT 22 CH2 IN 117 IN SW 118 D SW 120 SELF SW M CH3­ LEVEL SHIFT 24 CH3 IN M901 (SPINDLE) M CH4+ 12 LEVEL SHIFT 3 CTL2 5 6 7 CH4 IN 23 C IN 2 FOK 1 LD ON 114 CD LD 115 CD EJ FWD REV M903 (LOADING) 04 M CH5+ 10 LEVEL SHIFT · Signal path : CD 22 22 CDX-2500R 4-3. BLOCK DIAGRAM -- TUNER SECTION -- (Page 22) CD SECTION TUNER UNIT TU601 CNJ600 (ANTENNA) ELECTRONIC VOLUME IC401 OUT FL 22 CD L-CH 12 CDL MUTE Q110 A L 18 R 16 R-CH 1 ANT AM 2 ANT FM 1 FML OUT RL 20 28 27 26 24 25 SE3L SE3R MUTE SCL SDA D402 POWER AMP IC200 5 MUTE CONTROL Q401,402 X801 32kHz X800 3.68MHz 12 3 9 11 7 STBY MUTE MUTE Q111 AM DET 12 MUTE Q101 FM+B 8 TU+B 9 AM+B 10 FM8V TU8V AM8V 62 82 83 81 SYSTEM CONTROL IC801 (2/3) CNP501 1 FL+ 9 2 10 FL­ RL+ RL­ SEEK 11 SD 20 ST/MONO 22 S-METER 19 RV801 TU ATT SEEK OUT SD IN ST/MONO ATT 60 X1A 73 X0A 74 X0 92 X1 93 53 S-METER FM RDS S-METER PLL IC601 58 VOL ATT 4 22 AMP ON 56 AMP ATT 31 SCL 12 SDA 13 71 SCL 70 SDA TEL ATT 80 TEST 66 SSTOP 16 65 SSTOP AMP+B ANT+B ACC RDS DECODER IC602 20 S METER 4 XO 5 XI 16 FM DET SDA 9 SCL 10 MPTH 2 DAVN 8 52 MPDH 67 DAVN FM ON/ 68 AM ON AM/FM POWER CONTROL Q610,612,615 TUNER POWER CONTROL Q603,609 +5V REG Q613 FM 8V AM 8V BATT F901 Q916 13 15 5 6 7 16 ATT TEST AMP REM ANT REM ACC BATT VT 5 LCL/DX 4 FM/AM IF 21 VCO 6 X601 10.25MHz AM OSC 13 AM OSC Q614 28 5 14 15 24 25 9 LP OUT LCL/DX IF AM IF FM FM IN AM IN OSC IN 10 OSC OUT X602 4.3MHz FM DET 23 AMP Q618 TU ON 69 FM8V RDS POWER CONTROL Q604,605 5 NOISE FILTER IC603 1 NOISE CONTROL Q804 50 QUALITY 55 NS MASK +8V TU 5V TU 8V · Signal path : CD : FM : MW TU5V 04 RDS5V 23 23 CDX-2500R 4-4. BLOCK DIAGRAM -- DISPLAY SECTION -- SYSTEM CONTROL IC801 (3/3) RESET IC902 LCD DRIVE IC501 BU5V 2 1 S900 RESET 90 RESET LCD SO 13 CKO 14 CE 104 64 DATA LCD 63 CLK 62 CE LCD501 D910 BATT BACK-UP CHECK Q906 D807 BATT BACK-UP CHECK Q917,918 76 BU IN PL501,502 LED501-505, LSW511-529 D909 ACC D940 BATT BATT CHECK Q940 +8V REG Q90