Manual do usuário Sony CDX-605

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CDX-605
SERVICE MANUAL US Model
Model Name Using Similar Mechanism CDX-505RF
CD Drive Mechanism Type MG-250C-137
Optical Pick-up Name KSS-521A/J2N
SPECIFICATIONS
System Compact disc digital audio system
Frequency response 10 – 20,000 Hz
Wow and flutter Below the measurable limit
Signal-to-noise ratio 94 dB
Outputs BUS control output (8 pins)
Analog audio output (RCA pin)
Current drain 800 mA (during CD playback)
800 mA (during loading or ejecting a disc)
Operating temperature – 10 °C to + 55 °C

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CDX-605 7-3. SCHEMATIC DIAGRAM – RF Section – • See page 17 for Waveforms. • See page 31 for IC Block Diagrams. (Page 27) – 21 – – 22 –

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CDX-605 7-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 17 for Waveforms. • See page 31 for IC Block Diagrams. (Page 22) – 27 – – 28 –

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CDX-605 7-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 17 for Waveforms. • See page 31 for IC Block Diagrams. – 29 – – 30 –

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CDX-605 • IC Block Diagrams IC52 BA6287F (RF BOARD) IC301 BA6287F (MAIN BOARD) IC11 CXA1992BR (RF BOARD) OUT1 1 8 GND 39 38 37 36 35 34 33 32 31 30 29 28 27 VEE – + VM 2 7 OUT2 RF SUMMING PD2 IV PD1 IV AMP AMP AMP DRIVER DRIVER FE_BIAS SENS2 40 26 TSD VCC APC VCC 3 6 VREF CONTROL LOGIC IIL VEE F – SENS1 41 ↓ 25 LASER POWER CONTROL + TTL F IV AMP VCC POWER SAVE VCC VCC FE AMP E – 42 24 C. OUT FIN 4 5 RIN + E IV AMP VEE + – DFCT EI 43 23 XRST + VEE – LEVEL S VEE VEE VEE 44 22 DATA VEE FO. BIAS WI

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IC102 SM5852FS-E2 (MAIN BOARD) IC204 BA8272F-E2 (MAIN BOARD) 16 DB/DS LRCI 1 INPUT BCKI 2 15 MOD2 INTERFACE DIGITAL 14 13 12 11 10 9 8 3 14 MOD1 DI SIGNAL 13 OPT PROCESSOR SYSTEM 4 CLOCK CLK VDD 12 RESET 5 VSS SWITCH 11 LRCO SEQUENTIAL RSTN 6 OUTPUT 10 BCKO CONTROL INTERFACE TESTN 7 9 DOUT 1 2 3 4 5 6 7 MUTE MUTEN 8 CONTROL MODE CONTROL IC401 TC9464FN-EL (MAIN BOARD) 20 19 18 17 16 15 14 13 24 23 22 21 MICROCOMPUTER INTERFACE OSC INTERFACE CIRCUIT CIRCUIT DIGITAL FILTER CIRCUIT TIMING ATTENUATOR

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7-8. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC302 CXP84124-078Q (SYSTEM CONTROLLER) Pin No. Pin Name I/O Function Sled limit in detect switch (SW1) input terminal 1 LIM.SW I “L”: When the optical pick-up is inner position 2 BUSON I Bus on/off control signal input from the SONY bus interface (IC204) “H”: bus on 3 EJECT I Eject switch (SW303) input terminal “H” active Save end detect switch (SW12) input terminal 4 LOAD1 I “L”: When completion of the disc chucking operation Chucking en

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Pin No. Pin Name I/O Function 50 SO O Serial data output to the SONY bus interface (IC204) 51 SQCLK O Subcode Q data reading clock signal output to the CXD2530Q (IC101) 52 SUBQ I Subcode Q data input from the CXD2530Q (IC101) 53 — O Not used (open) 54 — I Not used (fixed at “H”) Magazine eject operation completion detect switch (SW301) input terminal 55 MGLK I “L”: eject completed 56 SCOR I Subcode sync (S0+S1) detection signal input from the CXD2530Q (IC101) 57 SENS2 I Internal status signal (s