Marantz-CD-5004-Service-Manual(1) 电路图 维修手册.pdf

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17、/?4?B,# ? 0 ?; 7; ? 8 :?/$? T 1. DISC PLAY RF WAVEFORMEYE-PATTERN2. DISC DETECTION 1.1 CD?TCD-784?Play2.1 CD?TCD-784?DISC DETECTION 1.2 CD-R?TCD-R000RM?Play2.2 CD-R?TCD-R000RM?DISC DETEC 1.3 CD-RW?TCD-W000RM?Play2.3 CD-RW?TCD-W000RM?DISC DETECTION RF FE Focus TE Tracking SLID SPIN 1V 200mV 2V 500Mv

18、2V 1V 2V 1V 200mV 2V 500Mv 2V 1V 2V 1V 200mV 2V 500Mv 2V 1V 2V RF FE Focus TE Tracking SLID SPIN RF FE Focus TE Tracking SLID SPIN 8) 3. TOC READ4. FOCUS ADJUSTMENT 3.1 CD?TCD-784?TOC READ4.1 CD?TCD-784?FOCUS ADJUSTMENT 3.2 CD-R?TCD-R000RM?TOC READ4.2 CD-R?TCD-R000RM?FOCUS ADJUSTMENT 3.3 CD-RW?TCD-W

19、000RM?TOC READ4.3 CD-R?TCD-R000RM?FOCUS ADJUSTMENT 5. LOADER OPEN-CLOSE 1V 200mV 2V 500Mv 2V 1V 2V 1V 200mV 2V 500Mv 2V 1V 2V 1V 200mV 2V 500Mv 2V 1V 2V RF FE Focus TE Tracking SLID SPIN RF FE Focus TE Tracking SLID SPIN RF FE Focus TE Tracking SLID SPIN 5V 5V 5V 5V OPSW CLSW LOAD + LOAD- OPEN CLOSE

20、 UPDATE RST/ST+5V/GND TR+/ FC+/ LOGIC CONTROL SPI SPI SL SL FOCUS LO SERIAL PORT VOLUME Control MIXER VOLUME Control INTERPOLATION F LTER FILTER INTERPOLATION DAC DAC ANALOG FILTER FILTER ANALOG MODE Selector Control Port SDATA SCLK LRCK DAC MCK NC (DAC SDA) NC NC NC (DAC SCL) AOUTB AOUTB+ AOUTA+ AO

21、UTA MDI LDO EXTERNAL Mute Control Reference CMOUT F T+ DO T +3 3VA S O/UART (SIO2) I2C I2C (SBIO) (SBI1) 8bit TIMER 8bit TIMER 8bit TIMER 8bit TIMER 8bit TIMER 8bit TIMER (TMRA0) (TMRA1) (TMRA2) (TMRA3) (TMRA4) (TMRA5) (TMRB0) 6Bit TIMER 6Bit TIMER 6Bit TIMER 6Bit TIMER 6Bit TIMER (TMRB1) (TMRB2) (T

22、MRB3) (TMRB4) XDE XHL XIX XIY XIZ XSP D H E L X 1Y IZ SP 32b t F P C WATCH DOG T MER Clock Timer 8 K B R A M Oscillator MODE CONTROLLER INTERRUPT CONTROLLER INTERRUPT CONTROLLER DATA BUS ADDRESS BUS Memory Controller (blocks) P O R T 1 0 B I T 1 6 C H A D RL4 RL3 RL1 RL2 RL5 E C B F D A DAC MCKDSP M

23、CK PLL SCL PLL SDA CIRCUIT CONTROL CIRCUITVCC GND I/O1 I/O7 CE1 OE WE VFD CLK VFD CE VFD DI VFD POWER REMO VFD CLK VFD CE VFD DI VFD POWER RS/REMOTE IN RS/REMOTE IN ADDRESS PORT DATA PORT RST ST+5V DAC RST DAC RST PLL SDA PLL SCL KEY DATA LED DATA KEY DATA LED DATA CD BUS2 CD BUS3 CD BUCK CD CCE CD RST SYS DETECT ST+ EXTERNAL INTERNAL H L SYS DETECT SDATA SCLK LRCK FOCUS FOCUS+ TRACK NG TRACKING+ B D A C +