Teac-CR-H250-Service-Manual(1) 电路图 维修手册.pdf
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1、C CR R- -H H2 25 50 0 SERVICE MANUAL CD Receiver Effective : October, 2004S-0130A NOTES PC boards shown are viewed from parts side. The parts with no reference number or no parts number in the exploded views are not supplied. As regards the resistors and capacitors, refer to the circuit diagrams con
2、tained in this manual. Parts marked with this sign are safety critical components. They must be replaced with identical components - refer to the appropriate parts list and ensure exact replacement. CONTENTS 1 SPECIFICATIONS 2 2 MICROCOMPUTER PIN FUNCTIONS 3 3 EXPLODED VIEWS AND PARTS LIST 11 4 PC B
3、OARDS AND PARTS LIST 13 5 INCLUDED ACCESSORIES 17 For U.K. RadioFans.CN 收音机爱 好者资料库 1 SPECIFICATIONS 2 AMPLIFIER Section Output Power . 25 W/ch (6 ohms, 0.5 %,1 kHz) Input Sensitivity. 300 mV/47k ohms Frequency Response. 20 Hz to 60,000 Hz (+1/-3 dB) TUNER Section FM Section Tuning Range . 87.50 MHz
4、to 108.00 MHz (50 kHz steps) Signal-to-Noise Ratio . 65 dB (Mono) 60 dB (Stereo) Presets . 30 AM Section Tuning Range. 522 kHz to 1629 kHz (9 kHz steps) Signal-to-Noise Ratio. 35 dB Presets . 30 DAB Section Tuning Range. Band 3, 174 MHz-240 MHz Input. 50 ohms, nominal Max Signal . 3 dBm typ Sensitiv
5、ity. 96 dBm typ Adjacent Channel Rejection . 35 dB typ Presets . 10 Audio Output. Stereo, 2.5 Vp-p Digital Output . 24 bit/48 kHz resolution CD PLAYER Section Frequency Response . 20 Hz to 20,000 Hz (2 dB) Signal-to-Noise Ratio . more than 85 dB Wow and Flutter. Unmeasurable GENERAL Power Requiremen
6、ts. 230 V AC, 50 Hz Power Consumption. 75 W (standby). 2 W Dimension (W x H x D) . 215 x 110 x 359 mm Weight . 4.4 kg Standard Accessories Remote Control Unit (RC-956) x 1 Batteries (AAA) x 2 AM Loop Antenna x 1 FM Lead-type Antenna x 1 DAB Antenna x 1 Owners Manual x 1 Warranty Card x 1 Design and
7、specifications are subject to change without notice. Weight and dimensions are approximate. RadioFans.CN 收音机爱 好者资料库 2 MICROCOMPUTER PIN FUNCTIONS 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2728293031323334 35363738394041 4243444546474849 50 75 74 73 72 71 70 69 68 67 66 6
8、5 64 63 62 61 60 59 58 57 56 55 54 53 52 51 1009998979695 9493929190898887 868584838281807978 7776 P8.4/AIN4 P8.3/AIN3 P8.2/AIN2 P8.1/AIN1/WKUP15 P8.0/AIN0/WKUP14 NC P6.5/WKUP10/INTCLK P6.4/NMI P6.3/INT3/INT5 P6.2/INT2/INT4/DS2 P6.1/INT6/RW P6.0/INT0/INT1/CLOCK2/8 P0.7/A7/D7 VDD VSS P0.6/A6/D6 P0.5/
9、A5/D5 P0.3/A3/D3 P0.2/A2/D2 P0.1/A1/D1 P0.0/A0/D0 AS DS P0.4/A4/D4 P1.7/A15 A20/P9.6 WAIT/WKUP5/P5.0 WKUP6/WDOUT/P5.1 TXCLK/CLKOUT/P5.4 OCMPA1/P4.2 VDD A21/P9.7 WDIN/SOUT/P5.3 DCD/WKUP8/P5.6 VSS ICAPB1/OCMPB1/P4.3 SDA/P4.6 SIN/WKUP2/P5.2 RXCLK/WKUP7/P5.5 CLOCK2/P4.1 EXTCLK1/WKUP4/P4.4 ICAPB0/P3.1 IC
10、APA0/OCMPA0/P3.2 WKUP9/RTS/P5.7 ICAPA1/P4.0 EXTRG/STOUT/P4.5 WKUP1/SCL/P4.7 OCMPB0/P3.3 EXTCLK0/SS/P3.4 MISO/P3.5 P9.5/A19 P9.4/A18 P9.2/A16 HW0SW1 P7.7/AIN15/7/WKUP13 P7.4/AIN12/WKUP3 P9.3/A17 P9.0/RDI RESET P7.6/AIN14/WKUP12 P7.5/AIN13/WKUP11 P7.1/AIN9 P9.1/TDO OSCIN VSS P7.3/AIN11 P7.0/AIN8/CK_AF
11、 P8.7/AIN7 OSCOUT VDD P7.2/AIN10 AVSS AVDD P8.6/AIN6 P8.5/AIN5 MOSI/P3.6 SCK/WKUP0/P3.7 RW TOUTA0/P2.2 VSS *VTEST VREG TINPB0/P2.1 TOUTB0/P2.3 VDD VREG A10/P1.2 TINPA0/P2.0 TINPB1/P2.5 TOUTB1/P2.7 A8/P1.0 A11/P1.3 A12/P1.4 TINPA1/P2.4 TOUTA1/P2.6 A9/P1.1 WKUP6 NC A13/P1.5 A14/P1.6 * VTEST must be ke
12、pt low in standard operating mode. ST92F124V1 ST92F124V1 PIN ASSIGNMENT RadioFans.CN 收音机爱 好者资料库 4 256 bytes Register File RAM 4 Kbytes ST9 CORE 8/16 bits CPU Interrupt Management MEMORY BUS RCCU Ext. MEM. ADDRESS DATA Port0 Ext. MEM. ADDRESS Ports 1,9 REGISTER BUS WATCHDOG AS DS RW WAIT NMI DS2 RW M
13、ISO MOSI SCK SS A10:8 A21:11 A7:0 D7:0 ST. TIMER SPI SDA SCL I2C BUS FLASH 128 Kbytes WDOUT HW0SW1 STOUT Fully Prog. I/Os P07:0 P17:3 P12:0 P27:0 P37:4 P33:1 P47:4 P43:0 P57:0 P65:2,0 P6.1 P77:0 P87:0 P97:0 MF TIMER 0 TINPA0 TOUTA0 TINPB0 TOUTB0 TINPA1 TOUTA1 TINPB1 TOUTB1 INT6:0 WKUP15:0 MF TIMER 1
14、 E3 TM 1 Kbyte OSCIN OSCOUT RESET CLOCK2/8 INTCLK CK_AF ADC AVDD AVSS AIN15:8 AIN7:0 EXTRG VREG VOLTAGE REGULATOR The alternate functions (Italic characters) are mapped on Port 0, Port 1, Port2, Port3, Port4, Port5, Port6, Port7, Port8 and Port9. ICAPA0 OCMPA0 ICAPB0 OCMPB0 EXTCLK0 ICAPA1 OCMPA1 ICA
15、PB1 OCMPB1 EXTCLK1 EF TIMER 0 EF TIMER 1 SCI M TXCLK RXCLK SIN DCD SOUT CLKOUT RTS SCI A RDI TDO BLOCK DIAGRAM 5 PIN NoPIN NameI/OPIN NoPIN NameI/O 1SM_CEO 2VFD_BLKO 3DAB_DINI 4DAB_CLKO 5DAB_DOUTO 6NC- 7NC- 8STANBYO 9F_MUTEO 10NC- 11OPTION1- 12OPTION2- 13OPTION3- 14GND- 15VDD1- 16OPTION4- 17RTC_DATA
16、I/O 18RTC_CLKO 19RTC_PO 20F_STBO 21NC- 22NC- 23NC- 24NC- 25NC- 26NC- 27NC- 28V_REG- 29NC- 30PROTECTI 31SP_ONO 32HP_INI 33V_STBO 34T_MUTEO 35V_CLKO 36V_DATAO 37BACK_UPI 38VSS2- 39VDD2- 40V_REG2- DAB Data Output Port No Connection No Connection Stanby LED On Control Port (Active H) GND No Connection N
17、o Connection No Connection No Connection No Connection Stabiliztion capacitor for internal voltage regulator. No Connection Function STB control port Function Mute Port (Active H) Real Time Clock I.C_Square wave out port FIP Driver(IC42) Chip enable Port VFD Control Port DAB Data Input Port Function
18、Function DAB Data Clock Port Real Time Clock I.C_Clock port GND Port Power Supply Port Option port Real Time Clock I.C_Data port Volume IC(IC91) Clock output port Volume IC(IC91) Data output port No Connection No Connection BACKUP mode control port No Connection Power Supply port Stabiliztion capaci
19、tor for internal voltage regulator. Speaker On port Headphone input control port Volume IC(IC91) STB port Tuner Mute port Option port Protect Control port (Active L) PIN FUNCTIONS 6 PIN NoPIN NameI/OPIN NoPIN NameI/O 42CD_OPEN_MO 43CD_RWO 44CD_CCEO 45CD_BUCKO 46NC- 47NC- 48CD_RESETO 49CD_POWERO 50CD
20、_STBYO 51NC- 52NC- 53NC- Open Motor control port CD Control Interface CD DSP IC Chip enable port (Active L) CD DSP IC Clock port CD Reset output port (Active L) CD Power control port CD Stanby control port No Connection FunctionFunction No Connection No Connection No Connection No Connection 54CD_LI
21、MIT_SWI 55CD_CLOSE_SWI 56CD_OPEN_SWI 57CD_BUS3I/O 58CD_BUS2I/O 59CD_BUS1I/O 60CD_BUS0I/O 61VSS3- 62VDD3- 63CD_CLOSE_MO 64BUS_INI 65REMOTEI 66RDS_CLKI 67NC- 68NC- 69BUS_OUTO 70NC- 71KEY2I 72KEY1I 73NC- 74JOG1I 75JOG2I 76NC- 77NC- 78NC- 79VDD4- 80VSS4- 81POWER_HO JOG Data Input port(Master Volume) No
22、Connection No Connection No Connection System remote Output port KEY Data input port No Connection Remote Data input port RDS Clock port GND Power Supply port GND Power on control port (Active H) No Connection No Connection No Connection Close Motor control port System remote Input port CD Close Swi
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