Teac-D-70-Service-Manual(1) 电路图 维修手册.pdf

《Teac-D-70-Service-Manual(1) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Teac-D-70-Service-Manual(1) 电路图 维修手册.pdf（23页珍藏版）》请在收音机爱好者资料库上搜索。

1、D D- -7 70 0 SERVICE MANUAL Multi D/A Converter Effective : October, 2002S-0077A CONTENTS 1 SPECIFICATIONS 2 2 ADJUSTMENTS AND CHECKS 3 3 EXPLODED VIEWS AND PARTS LIST 5 4 PC BOARDS AND PARTS LIST 9 5 INCLUDED ACCESSORIES 17 NOTES PC boards shown are viewed from parts side. Parts marked with * requi

2、re longer delivery time. 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 contained in this manual. Parts marked with this sign are safety critical components. They must be replaced wi

3、th identical components - refer to the appropriate parts list and ensure exact replacement. Parts of mark can be used only with the version designated. US:U.S.A. C:CANADA E:EUROPE RadioFans.CN 收音机爱 好者资料库 2 331mm 369mm 465mm 162mm 1 SPECIFICATIONS Electrical characteristics (at 24bit/44.1kHz input) F

4、requency response .20Hz-20kHz 0.3dB S/N ratio .116dB Dynamic range.108dB THD.0.0025% Channel separation .115dB Valid sampling frequencies (kHz) 32, 44.1, 48, 88.2, 96, 176.4, 192 (each 1%) Sampling frequencies (kHz) corresponding to de-emphasis 32, 44.1, 48 Input levels TOS x 3.24 to 14.5dBm peak (:

5、700nm typical) SPDIF x 3 .0.5 Vp-p0.1V/75 XLR x 2 .5.0Vp-p0.1V/110 Output levels Analog outputs RCA x 1 system.2.20Vrms0.1V/47k XLR x 1 system.2.20Vrms0.1V/600 Digital output TOS x 1.-21 to -15dBm peak WORD SYNC output BNC x 2 .TTL / 75 General Power supply .AC 230V, 50Hz (Europe model) AC 120V, 60H

6、z (U.S.A./Canada model) AC 220V, 60Hz (Korea model) Power consumption .26W Dimensions (WxHxD).465 x 162 x 369 (mm) Weight.about 25 kg Remote control unit Type.Infrared pulse system Battery.DC3V (AA batteries, SUM-3 x 2) Dimensions (WxHxD) .57 x 21 x 216 (mm) Weight.about 320g (including batteries) A

7、ccessories Power cord x 1 Remote Control Unit x 1 Batteries (AA, SUM-3) x 2 Felt x 3 Warranty card x 1 Owners manual x 1 Improvements may result in specification or feature changes without notice. RadioFans.CN 收音机爱 好者资料库 2-2 Audio System Setting CLOCK MODE: PLL AES3 INPUT: SINGLE DIGITAL FILTER: FIR

8、 DIGITAL IN: Fs=44.1kHz, FullBit If you intend to use a digital output of the P-70 or others for connection to the digital input, use a digital signal that is not upconverted. 2-2-1 DC Offset Adjustment 1. Set the OUTPUT SELECT switch on the rear panel to XLR. 2. Apply a digital signal to the DIGITA

9、L IN and check to see that the input indicator turns on and that a sampling frequency shows in the display. (Check of the lock status.) 3. Turn the OUTPUT LEVEL control counterclockwise, so that the output level is (as shown by _._ in the display). 4. Measure the DC offset voltage between pins 2 (+)

10、 and 3 () of LINE OUT (XLR). Adjust VR303 (L) and VR403 (R) on ANALOG PCB for 5mV. 3 VR403VR303 ANALOG PCB XLR番号 2 ADJUSTMENTS AND CHECKS 2-1 Test Mode 2-1-1 Getting into Test Mode While holding down the INPUT SELECTOR and buttons, power on the unit and hit the DIGITAL FILTER button repeatedly. 2-1-

11、2 Version Display When the test mode is activated, the microcomputer version information, uComVer X.XX, is displayed. Then, at each press of the INPUT SELECTOR button, the RDOT version information, RDOTver XXXX, and the RAM version information, RAMversionXX, are displayed in sequence. 2-1-3 FL Grid

12、Check After displaying a series of version information, pressing the INPUT SELECTOR button activates the grid check mode and the display reads GridChecking. Turn the OUTPUT LEVEL control to check to see that the grids turn off one after another. Continue to turn the OUTPUT LEVEL control to check to

13、see that the grids turn on one after another. 2-1-4 FL Segment Check When the FL grid check is done with, press the INPUT SELECTOR button to activate the segment check mode. Turn the OUTPUT LEVEL control to check to see that the dot matrix turns on by dot. 2-1-5 LED Check When the FL segment check i

14、s done with, press the INPUT SELECTOR button to activate the LED check mode. The display reads LEDCHECK RDT. Turn the OUTPUT LEVEL control to check to see that each LED turns on. 2-1-6 Resetting EEPROM When the LED check is done with, press the INPUT SELECTOR button and ! EEPRESET ! is displayed. Pr

15、ess the DIGITAL FILTER button and the display changes to read EEPSAVE OK and the ROM is reset. XLR pin assignments RadioFans.CN 收音机爱 好者资料库 4 2-2-2 Output level check 1. Connect the AC voltmeter to the LINE OUT. 2. Play the track 2 (1kHz, 0dB) of the MCD-111, and check the output level. Specification

16、s: 2.20.2Vrms (100k load, RCA) 4.40.2Vrms (100k load, XLR) 2-2-3 Distortion check 1. Connect the distortion meter to the LINE OUT. 2. Play the track 2 (1kHz, 0dB) of the MCD-111, and check the distortion. Specification: 0.005% or less (400Hz HPF 20kHz LPF) 2-2-4 Frequency response check 1. Play the

17、track 3-6 (20Hz 20kHz, 0dB) of the MCD-111, and check that output level are within the specified values with respect to the 1kHz reference level. Specifications: 20Hz 20kHz, 01dB (FIR mode) 20Hz 20kHz, 01dB (CUSTOM mode) 20kHz, 31dB (RDOT mode) The DIGITAL FILTER button cycles through the following

18、modes: 2-2-5 S/N check 1. Play the track 7 (non-signal) of the MCD-111, and check that noise level are within the specified values with respect to the 1kHz reference level. Specification: 100dB or more (IEC-A) 2-2-6 Channel separation check 1. Play the track 8 (L:1kHz / R:non-signal) of the MCD-111,

19、 and check the leakage from Lch to Rch. 2. In the same way, play the track 10 (R:1kHz / L:non-signal) of the MCD-111, and check the leakage from Rch to Lch. Specification: 100dB or more (IEC-A) RDOTFIRCUSTOM EXPLODED VIEW-1 5 1 2 3 4 5 6 6 7 7 8 8 9 0 q q q w w e r t y u i o p a s s d f gh j k l ; 2

20、 z c ! ! # # # # # # # $ $ % % % z x c v ! ! ! # $ $ $ % May 2002 AES3 2-1 CONVERT PCB,DIGITAL (1/2) XLR 2(R) RCA 1 RCA 2 RCA 3 TOS 1 TOS 2 XLR 1(L) to PMD200(3.3V) from PCB,PWR DIGI to PLL PLD,FIR to PMD200 DIGITAL OUT to PCB,RESERVE MASTER SLAVE E901335-00C SO1 SI1 RSVBCK SI1 CS0_EXT RSVLRCK SI1 S

21、CK1 SCK_EXT RSVDATA INT_DIR1.2 INT_DIR1 SO_EXT INT_DIR2 DIN_EN1.7 DIN_EN1 DIN_EN3 DIN_EN4 DIN_EN2 SI1_EXT SCK1 CS_DIR1.4 DIN_EN7 SCK1 SO1 RSV_EXT DIN_EN7 CS1_EXT CS_DIR2 CS_DIR4 CS_DIR3 CS_DIR4 CS_DIR1 CS_DIR3 DIN_EN1.7 DIN_EN6 DIN_EN5 RESET RESET +5VD +5VD GND +5VD +5VD +5VD +5VD +5VD +5VD +5VD +5V

22、D +5VD +5VD +3.3V +5VD +5VD +5VD +3.3V +5VD +5VD +5VD +3.3V+2.5V +5VD +5VD +5VD +5VDVCC +5VD +5VD R160 22 12 C1090.1 12 C113 1/50V(3phi) 12 R134 120 12 R16622 12 R15747K 12 C104 0.1 12 C102 0.1 12 C140 0.1 12 C107 1/50V(3phi) 12 U116B 74VHC125 56 4 TP141 1 GND Vcc Vin U119 GP1FA551TZ 1 2 3 U104 CS84

23、15A-CZ 1 2 3 4 28 8 7 6 5 21 22 23 24 25 26 27 920 1019 11 12 13 14 18 17 16 15 SDA/CDOUT AD0/CS EMPH RXP0 SCL/CCLK FILT AGND VA+ RXN0 OMCK DGND VD+ H/S RXP5 RXP6 AD1/CDIN RSTU RMCKINT RERR RXP1 RXP2 RXP3 SDOUT OLRCK OSCLK RXP4 R1453.9K 12 C240 100U/16V U108C 74VHCU04F 56 R127 22 12 U107B 74VHCU04F

24、34 R133N.C. 12 U108F 74VHCU04F 1312 U120D 74VHC32 12 13 11 R114 0 12 R132 100 12 U116D 74VHC125 1211 13 C105 0.1 12 R128 120 12 C1110.1 12 C136 0.15(DIP) 12 C1430.01u 12 U111 NJM317 1 23 ADJ OUTIN U107A 74VHCU04F 12 D103 IMN10 1 2 34 5 6 R119N.C. 12 U120A 74VHC32 1 2 3 U110A 74VHCT08 1 2 3 C163 1000

25、U/16V 12 R19547 12 C1420.01u 12 R16522 12 R18210K 12 U115C 74VHCT08 9 10 8 R107 0 12 C115 0.1 12 R123 75 12 J101 XLRF 12 3 4 C1490.01u 12 R111 100K 12 TP143 1 R162 100 12 C282 1000p 12 C138 0.1 12 R154 220 12 J104 RCA 1 2 U116A 74VHC125 23 1 C145 0.1 12 R15647K 12 R1221K 12 R129 120 12 U107E 74VHCU0

26、4F 1110 R104 100K 12 J103 RCA 1 2 C127 47U/10V 12 R140 2.2K 12 C108 0.1 12 R113 0 12 C1500.01u 12 C131 47U/16V C119 1/50V(3phi) 12 D102 IMN10 1 2 34 5 6 R33247 12 U112 NJM317 1 23 ADJ OUTIN C159 0.1 12 C161 47U/10V 12 R143 22 12 R19647 12 R144 47K 12 U103 HD26C32A 2 1 14 15 6 7 10 9 8 11 5 13 3 164

27、12 INA+ INA- INB+ INB- INC+ INC- IND+ IND- GND OUTD OUTC OUTB OUTA VCCEN EN U116C 74VHC125 98 10 U136 74LCX541 2 3 4 5 6 7 8 9 1 19 18 17 16 15 14 13 12 11 2010 A1 A2 A3 A4 A5 A6 A7 A8 G1 G2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 VCCGND C1640.1 12 R333 47K 12 U110B 74VHCT08 4 5 6 C1550.1 12 C125 47U/10V 12 C1330.0

28、1u 12 D101 IMN10 1 2 34 5 6 U110D 74VHCT08 12 13 11 R172 47K 12 U105 CS8415A-CZ 1 2 3 4 28 8 7 6 5 21 22 23 24 25 26 27 920 1019 11 12 13 14 18 17 16 15 SDA/CDOUT AD0/CS EMPH RXP0 SCL/CCLK FILT AGND VA+ RXN0 OMCK DGND VD+ H/S RXP5 RXP6 AD1/CDIN RSTU RMCKINT RERR RXP1 RXP2 RXP3 SDOUT OLRCK OSCLK RXP4

29、 R254 3.3K 12 P108 EH-2 1 2 R18310K 12 R15122 12 R24222 12 R117 75 12 R116 75 12 U108D 74VHCU04F 98 U108A 74VHCU04F 12 R163 22 12 R112 100K 12 U115A 74VHCT08 1 2 3 R159 22 12 U114 74VHC541 2 3 4 5 6 7 8 9 1 19 18 17 16 15 14 13 12 11 2010 A1 A2 A3 A4 A5 A6 A7 A8 G1 G2 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 VCCGND

30、R173 47K 12 U107F 74VHCU04F 1312 U110C 74VHCT08 9 10 8 U115B 74VHCT08 4 5 6 R131 75 12 C141 0.01u 12 R174 47K 12 R19747 12 R16722 12 U108E 74VHCU04F 1110 R19822 12 R24047 12 J102 XLRF 12 3 4 Vout GND Vcc U102 GP1FA551RZ 1 2 3 R14622 12 C114 0.1 12 R126N.C. 12 U115D 74VHCT08 12 13 11 R124 75 12 R102

31、330 12 R24147 12 U108B 74VHCU04F 34 P106 PH13P 1 2 3 4 5 6 7 8 9 10 11 12 13 C1320.01u 12 R158 22 12 C153 0.1 12 R253 3.3K 12 C1510.01u 12 U107C 74VHCU04F 56 D104 IMN10 1 2 34 5 6 U107D 74VHCU04F 98 U120C 74VHC32 9 10 8 C1373900p(DIP) 12 R142 22 12 R15547K 12 TP139 1 TP142 1 C101 0.1 12 R14822 12 C2

32、83 1000p 12 R103 330 12 R125 100 12 R1503.9K 12 R19447 12 R130 75 12 R108 330 12 P101 EH-4 1 2 3 4 C1473900p(DIP) 12 C243 47U/16V R149 47K 12 R15222 12 R105 100K 12 C146 0.15(DIP) 12 R109 330 12 R101 330 12 R33147 12 Vout GND Vcc U101 GP1FA551RZ 1 2 3 C1600.1 12 R15322 12 C1520.01u 12 U106 74VHC157

33、24 3 57 6 119 10 1412 13 1 15 168 1A1Y 1B 2A2Y 2B 3A3Y 3B 4A4Y 4B A/B G VCCGND J105 RCA 1 2 R110 330 12 U120B 74VHC32 4 5 6 C1480.01u 12 C162 1000U/16V 12 R18410K 12 R1181K 12 R23947 12 R106 0 12 C144 47U/10V 12 TP1401 C135 0.1 12 R14722 12 R16822 12 R16922 12 C134 47U/10V 12 CNVDATA SCK1 SI1 RLRCK

34、RBCK CS_DIR1.4 SO1 RDATA CNVLRCK INT_DIR1.2 EMPH CNVBCK DIN_EN1.7 DIRADATA DIRALRCK DIRABCK DIRBDATA +7VPLL +2.5V+3.3V RESET RMCK TOS DIGITAL IN 注 意 1. 抵抗単位 （，） 。 2. 単位 （） 。 3. 部品安全規格重要部品。 交換必指定部品使用。 86745231 E D C B A SCHEMATIC DIAGRAMD-70DIGITAL PCB (2/2) MULTI D/A CONVERTER D D- -7 70 0 1 st Issu

35、e; May 2002 PCB,DIGITAL (2/2) ON:Normal OFF:Flash Write to VCO from MPU from DIRto DF LOCKFERR OERR TSSOP Package E901335-00C FIR_LRCK FIR_BCK FIR_DOL FIR_DOR BCKO WCKO WCKI BCKI HDCD FIRBYPS CS_RAM CS_FIRCS_FIR CS_DIR3 CS_RDOT CS_FIR CS_DIR2 CS_FIR CS_DIR4 CS_DIR1 XLT_RDOT DI_SEL0 DI_SEL1 FRT_DIF2

36、DI_SEL2 DI_SEL1 DI_SEL0.2 FRT_DIF1 FRT_DIF3 ZERO_BUF ZERO_BUF HDCD_BUF HDCD_BUFHDCD HREQ_RAM_BUF HREQ_RAM_BUF HREQ_RAMHREQ_RAM BUSY_RDOT_BUF BUSY_RDOT_BUF DONE_BUF DONE_BUF DONE_BUF DUAL_SW_R DUAL_SW_BUFDUAL_SW_BUF DUAL_SW_BUF DONE_RAMDONE_RAM CS_EEPCS_EEP DISP DISP U_LOC U_LOCU_LOC U_LOC LED2.6LED2

37、.6 SI0 SI0 PLL_MCK FIRBYPS BCK_RTBCK_RT DOLB_RTDOLB_RT DORB_RTDORB_RT DOL_RTDOL_RT DOR_RTDOR_RT BUSY_RDOT XLT_RDOT 36MHZ36MHZ DONE_RDOT DORB_RT BUSY_RDOT 36MHZ CS_RDOT BUSY_RDOT XLT_RDOT DOLB_RT CS_RDOT CS_RDOT RDOTMUTE RMCK XLT_RDOT SI0_3V SCK0_R 36MHZ SCK0 SO0 SO0_R SI0_3V CS_FLCS_FL CS_FL SCK2 SC

38、K2 SO2 SEL1.10 SEL1.10 SEL5 RESET! TDI TDI TCK TDO_DOT WCKI_R TDO_FDOT TDO_FRAM TDO_FRAM TCK WCK_RTWCK_RT DONE_RDOT RAM_INIT CCLK_DOT CCLK_DOT CCLK_DOT RDOT_INIT DIN_DOT DIN_DOT DIN_DOT SI2 LED2.6 LED3 LED2 LED3 LED4 LED5 LED2.6 LED2.6 LED6 LED5 CS_FL LED4 LED2 LED6 LED2.6 SCK2 SO2 SO2 SCK2 SCK2 SO2

39、 SO2 IN_LED0 FRT_DIF3 IN_LED1 IN_LED2 IN_LED4 IN_LED5 IN_LED3 FRT_DIF0 FRT_DIF1 FRT_DIF2 IN_LED0.7 FRT_DIF0.3 REMOTE RDOT_LED DF_SW PWR_LED ENC0 RSV TOS2 RCA2 FIR_DOT DISPLAY CSTM_LED CS_FL_BUF WORD_SW R_SW PLL_SW DUAL_SW XLR2 TOS1 L_SW RFRSH_LED SO2_BUF ENC1 XLR1 RCA3 RCA1 UN_LOCK SCK2_BUF HDCD_LED

40、 IN_LED0 IN_LED1 IN_LED2 IN_LED3 IN_LED4 IN_LED5 IN_LED6 IN_LED7 DI_SEL0.2 FRT_DIF0 FRT_DIF0.3 DI_SEL2 DI_SEL0 WRDSEL1 SEL9 SEL3 SEL7 SEL4 SEL6 DONE_RDOT BCKI_R RAMOFF SEL1 C_36M SCK0 WCKO_INT SEL9 SI0_3V BCKSEL1 DONE_RAM BCKO_INT ZERO ZERO RAM_CCLK SCK0 ZERO RAM_INIT BCKSEL2 SEL8 SO0 SO0 SEL10 SEL5

41、 CS_RAM RDOT_INIT SI0_3V SEL2 SEL7 SEL10 BCKI_R SEL3 SEL1 TMS XTSEL2 SEL1.10 SEL4 CS_RAM DONE_RAM C_36M_R RELAY LPFSEL2 SEL6 SEL8 SEL5 DOL_RT TMS RCKE XTSEL1 SEL2 LDQM WCKI_R UDQM C_36M_R WRDSEL2 WCKI_R ZERO WCKO_INT TMS DONE_RAM LDQM C_36M_R LPFSEL1 BCKO_INT BCKI_R RCKE UDQM RESET RDOT_INIT DONE_RD

42、OT RDOT_INIT SI2 SCK2 SO2 SO2 SI2 SCK2 SI2 IN_LED7 IN_LED6 RD7 RA8 ZERO DORB_RT RCLK SO0 RA0 DOL_INT DOR_INT UDQM RD7 RA0.11 DIN_RAM RA0 DOL_RT SO0 TDO_DOT DIN_RAM RAS CS_RAM RCKE RA5 SI0_3V TDO BCK_RT RA1 BA1 RD4 RD2 DOR-_INT ZERO SI0_3V SI0_3V SCK0 CAS BCK_RT TDO SCK0 RA11 RAM_INITRAM_INIT RD3 RD1

43、 RD13 RA7 SO0 RA3 RA1 DOLB_RT RA6 RA8 RESET* DOL_INT RD14 BCK_RT RAM_CCLK DOR_RT RAM_CCLK RCS RA2 BA0 RD12 SI0_3V ZERO RA2 RA11 RD11 DONE_RAM RA10 DOLB_RT WCK_RT RD9 DIN_RAM RA3 RD0 RD0 RD6 RD8 RD5 RCLK RA0.11 RAM_INIT DOL_RT CAS RA4 RD13 RD15 SCK0 RAM_CCLK DONE_RAM HREQ_RAM RD8.15 RD0.7 RD3 RD10 SO

44、0 ZERO BA0 BA1 DOR_RT TDO_DOT RA5 RD5 DOR_INT DOL-_INT SCK0 BA0.1 RAS RA7 DOR-_INT RD14 RD11 RD0.15 RD9 RA9 WCK_RT TDO_DOT RD8 RD6 RD4 DONE_RAM HREQ_RAM RAM_CCLK WCK_RT RA10 RD15 SI0_3V WE DOR_RT CS_RAM TDO WE LDQM RD10 RD2 RD12 RAM_INIT SO0 TMS DONE_RAM DOL-_INT RD1 CS RA6 DONE_RAM TMS DIN_RAMDIN_R

45、AM RCLK HREQ_RAM DORB_RT RAM_CCLK RA9 SI0_3V RA4 SCK0 INT_DIR2 INT_DIR1 INT_DIR1.2 SW4 SW2 SW7 SW0.7SW0.7 SW3 SW5 SW7 SW3 SW1 SW2 SW0 SW6 SW7 SW4 SW0 SW6 SW5 SW1 FIRBYPS DIVSEL1 DIVSEL1 DIVSEL2 FIRBYPS DIVSEL2 DIN_EN1.7 RLRCK DIVSEL1.2 RBCK RDATA FIRBYPS TDO_FDOT DONE_RDOT CCLK_DOT RESET RESET RESET RESET RESET RESET RESET DIN_EN5 DIN_EN1.7 DIN_EN4 DIN_EN3 DIN_EN1 DIN_EN7 DIN_EN6 DIN_EN2 DIN_EN1.7 RMCK RMCK RDOTMUTERDOTMUTE RDOTMUTE RDOTMUTE RMCK RMCK FS512 SEL4 SEL3 SEL7 SEL9 SEL5 SEL8 SEL10 SEL6 SEL2 SEL1 RDOTEMP PLL_MCK +3.3V +3.3V +5VD +3.3V +3.3V +3.