HarmanKardon-CDR26-cd-sm维修电路原理图.pdf

《HarmanKardon-CDR26-cd-sm维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《HarmanKardon-CDR26-cd-sm维修电路原理图.pdf（80页珍藏版）》请在收音机爱好者资料库上搜索。

1、harman/kardon CDR25 CDR26 Dual Tray CD-R/CD-RW Recorder/Player PRELIMINARY SERVICE MANUAL CONTENTS SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . 2 SERVICING PRECAUTIONS . . . . . . . . . . . . . 3 ESD PRECAUTIONS . . . . . . . . . . . . . . . . . . . . 5 SPECIAL NOTE ON CDR26 RECORDIN

2、G. . . . 6 FRONT PANEL CONTROLS . . . . . . . . 7 FRONT PANEL DISPLAY . . . . . . . . . . 9 REAR PANEL CONNECTIONS. . . . . . . . . . . . 11 REMOTE CONTROL FUNCTIONS. . . . . . . 12 INSTALLATION/CONNECTIONS. . . . . . . . . 14 BASIC TROUBLESHOOTING GUIDE press the CDR Button to control the Record De

3、ck % Dead batteries Replace both batteries Sensor blocked Remove obstructions from front panel or connect a remote sensor to the Remote-In Jack Disc does not erase CD-R disc in use CD-R discs do not erase; only CD-RW discs may be erased Recorded CD-R disc does not play in CD-R disc not finalized Fin

4、alize the CD-R disc in the CDR 26s record deck another CD player or DISC ERROR(see page 21) message appears in play deck Recording suddenly stops Input source stopped or paused Recordings will stop when the input source is paused for more than three seconds for digital recordings and 10 seconds for

5、analog recordings ERROR MESSAGES MESSAGEEXPLANATION AND PROBABLE CAUSESOLUTION CHECK DISC A record-related button has been pressed when a Unfinalize the disc to add tracks to a CD-RW disc finalized disc is in the Record Deck % Replace the disc with a blank CD-R or CD-RW disc A record-related button

6、has been pressed when a Replace the disc with a blank CD-R or CD-RW disc standard CD is in the Record Deck % DATA DISC A non-audio CD-ROM or a CD Video disc has been Only CD Audio and DTSdiscs will play in the CDR 26; placed in the machinereplace the disc DISC ERROR An unfinalized disc has been plac

7、ed in the Play Deck 3 Finalize the disc (see page 21) A DVD has been placed in the unit Replace the disc; the CDR 26 does not play or dub DVDs DISC FULL There are only four seconds of record time remaining Use another blank CD-R or CD-RW disc on the disc being recorded Erase one or more tracks on a

8、CD-RW disc ERROR The disc is not seated properly Open the drawer and check to see that the disc is properly seated There is a problem with the disc Try another disc FAILED A dub has not been completed properly Check the play disc Repeat the dub process FULL More than 99 tracks have been recorded The

9、 CDR 26 does not record more than 99 tracks on a disc NO AUDIO A record-related button has been pressed when Replace the disc with a blank CD-R or CD-RW Audio disc a non-audio disc is in the Record Deck % SVC-1 There is an internal problem with the CDR 26 Contact an authorized Harman Kardon service

10、center 16 17 OVERALL WIRING DIAGRAM 1 GREEN GND RED RED GND GREEN CN805 CN807 CN801 PN809 PN8512 PN8511 PN8802 CN809 SW201 LOAD_SW Download Download PN304 PN501 PN403 PN401 PN503 PN405 PN406 PN102 CN103 CN701 CN702 PN703 PN101 CN8901 PN303 CD-RW PARTCD-P PART Dig. Jack B/DFront BoardH/P Jack B/D Pow

11、er LED B/D I/O Board Power Board MAIN Board ROUT GND RIN LIN GND LOUT 6 61 1 NC GND DIG-IN VCC GND OPT-IN GND DIG_IN GND GND AD_DATA AD_BCK AD_LRCK GND AD_MCLK GND DA_CLK DA_DATA DA_LRCK GND DA_MCLK A_DATA_ZERO F_DOUT CS_DAC SCK_DAC DST_DAC GND DUB_SEL PWR_MUTE EXT_RMC DAC_RST LEVEL_SEL LEVEL_IN GND

12、 GND W V U H+ HU+ HU- HV+ HV- HW+ HW- H- GND SLDIN_SW1 13 22 22 1 1 1 30 30 61 1 8 1 1 8 121 1 12V GND 5.2VA GND(A) 8VA -8VA GND(D) 5VD -21VA -26VA -30VA D_GND 5VU A_GND 5VD D_GND 5.2VA 3.3V PWR_CTRL 8VA 12 17 1 16 13 3131 3 120 1 3 1 1 F+ T+ T- F- GND VC VCC F E C B D A LD WD WR RF NC GND DIG-IN VC

13、C GND OPT-IN HP_R GND GP_L RED GND GREEN RED GND GREEN GND GND KEY_IN1 RESET FLD_CLK FLD_RXD KEY_IN0 RMC_IN FLD_CS 5VU GND GND F- F- -34V -34V F+ F+ U W V SLD_INSW GND HV- H- H+ HU+ HU- HW+ HW- HV+ GND B /B /A A OPCL_SW2 OPCL_SW1 L+ L- GND GND KEY_IN1 RESET FLD_CLK FLD_RXD KEY_IN0 GND KEY_IN3 WMC_IN

14、 FLD_CS 5VU GND GND F1 F1 -34V -34V F2 F2 18 OVERALL WIRING DIAGRAM 2 Power Servo DSP +Decoder FPGA DACADC U-COM For CD-RW U-COM For CD-P Servo DSP +ENC/DEC DRAM DriveRF Amp. DriveRF Amp. SRC FLD FLD Driver Key Expander (CPLD) ANALOG OPTICALCOAXIAL MD MD S/WS/W Expander CD-RW CD-P I/O AK4382 AKM AK5

15、380 AKM 19 BLOCK DIAGRAM 1. I/O Block Diagram AK4382 DAC AK5380 ADC Relay 74H04 Buffer 74H04 Buffer H/P OUT Buffer RMCN Jack Tr. Analog R Out Analog L Out Analog R In Analog L In Coaxial Out Coaxial In Optical Out Optical In Front REC Vol. DA_MCK DA_BCK DA_LRCK DA_DATA AD_MCK AD_BCK AD_LRCK AD_DATA

16、DIG_IN F-Out(digital out) LEVEL IN LEVEL SEL EXT RMC OPTICAL IN C D R W 20 2. CD-P Block Diagram PLAY Path CDP CDRW 33M LRCK 47 DATA 48 BCK 49 D.OUT 70 IC402 LRCK 144 DATA 143 BCK 145 D.OUT 146 IC201 33M 149 33M IC408 6 33M 13 63 LRCK 65 DATA 64 LRCK 36 D.OUT 28 LRCK 29 DATA 27 BCK 32 D.OUT LRCK 42

17、DATA 49 BCK 51 DA MCLK 55 4 LRCK 3 DATA 2 BCK 1 MCLK IC510 IC7V2 DAC 50 MLCK SRC IC502 4 TXP 26 RXP D.OUT D.OUT 41 RXP 66 TXP 66 21 3. CD-R Block Diagram REC Path CDRW /HD 0 /HD15 IC201 LRCK 40 BCK 39 DA MCLK 53 AD DATA 43 10 LRCK 12 BCK 11MCLK 9 AD DATA IC510 IC7V2 DAC SRC IC502 26 RXP Rear D.IN(Co

18、axial) D.IN 36 RXP 66 2 /HD 0 19 /HD15 Rear Optical IN Opt IN 37 Front D.IN (Coaxial) Front Optical IN IC411IC406 F.D.IN 37 26 S/W OUT 13 3 10 6 3 5 Buffer 46 LRCK 44 DATA 45 BCK LRCK 17 BCK 16 DATA 18 LRCK 12 BCK 13 DATA 14 69 LRCK 70 BCK 68 DATA 22 4. IC510 Asic Block Diagram OAK 9790 Sony3030 CDR

19、W 3062 u-com SRC (CS8420) Orange (XCS10TQ144) CoaxCoaxOpt Din_src Rec. formatter Coax Front Da_srcDout_src Rec_src Src_src Ain A/D (AK5351) D/A (AK4393) Rear Vol AES3 ATAPI Analog CDP 3062 u-com 32K SDRAM HOST I/F AD_clk_src Cdp_cdr_src 33.8688MHz Lrck/clk Audio Data Control Signal Rec Start U-com I

20、/F CDP I2S CDRW I2S SRC I2S DA_CTRL Level Meter Relay Opt Div MAS3507D I2s_mode Da_clk_src 11MHz. CDP ATAPI Process Block Diagram of IC510 23 mas_da_clk dub_start da_rdata da_rclk da_rcs test_lr_ch cdr_rst dac_rst test_dubsel cxd_mute s_d_clk s_d_lrck s_d_data fpga_as src_rxp rw_lrck rw_data test_om

21、ck s_d_txp rw_clk diowb atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi atapi cs1_b test_mode mclk_in reset rw_dout D_out da_lrck1 da_clk da_data dac_mclk src_lrck src_clk src_data ad_data ad_mclk F_opt_in test_in fpgacs_1 sclk_1 sdatao_1 da_pcs da_pclk da_p

22、data p_clk p_lrck p_data p_dout sdt_dac sck_dac cs_dac F_coax_in ad_lrck ad_clk R_coax_in R_opt_in 5 10 15 20 253035 40 45 50 55 60 65 70 75 80 5. IC501 Pin Map Block Diagram 24 TROUBLESHOOTING GUIDE 1. Initial Lead-in Operation 2. Trouble List(Circuit) (In the Initial Lead-in Operation Mode) A. Pic

23、k-Up doesnt move to the inner-track. B. Pick-Up lens doesnt move up and down. C. Disc doesnt rotate. D. The Laser(RED) of Pick-Up doesnt light. E. TOC isnt read. 25 No 5V Q107 Emitter is ok? D106 anode oscillate intermittent? NO NO NONO NO YESYES YES YESYES Check C116, C117, L110. Vcc is supplied at

24、 IC104 pin1, 3 and IC102 pin1? Check all Vcc line(Open each line and check again) Check power control Line. Check connector and 5V line. 3. No power D106 anode oscillate Normally? Check the primary power part Check IC102, 104 application Q107, Q102 Emitter are ok? NO NO NO NO NO Check -34V power lin

25、e. 26 5V is OK? YES YES YES YES YES YES Check D120 and 2-lines. NO Refer no power Check IC802(Reset IC). FLD heater Vcc is OK?(about 4V) Between CN803 pin 1 and 4) IC801 pin6 is High(Reset) FLD CLK/DATA/CS is ? (IC801 pin 7, 8, 15) OSC is appear in pin3, 4(IC801) Replace IC801 Check connector CN803

26、PN401 and IC401 control lines. NO Check IC401 and Reset line. Check X801. 4. FLD No Display -34V is OK? IC801 pin60. 5. Troubleshooting Guide(In the Initial Lead-in Operation Mode) 27 IC407 IC407 IC405IC405 IC405 IC402IC402 IC405 56910 IC402 IC402 IC405 12 W 13 V 14 U? IC402 IC402 IC405 FAO 92 4 95

27、28 IC403 IC403 2.8 IC402, 29 NO Check power Board. No Audio(Current Deck is CDP) YES YES Power (5V, 3.3V, 8V) is right? NO Check IC7V2 control sig- nals. DAC LRCK/BCK/DATA/ MCLK are right? (IC7V2 pin 1, 2, 3, 4) YES NO YES YES Check connector PN501, CN701. IC510 output signals are right?(IC510 pin 4

28、2, 49, 51, 55) Main clock is ok? (IC510 pin50) YES Change IC510. IC408 pin6 signal is ok? YES Check MCLK path Check IC408. NO Check there path Input signals are right? (IC510 pin 63, 64, 65) YESYES YESYES CDP DSP(IC402) pin47, 48, 49 ard right? Check IC402 control line 30 NO NO NO Refer CDP NO Audio

29、 No Audio(Current Deck is CDR) YES YES YES YES Check IC510 control path. Check signal path between IC201-IC510 IC510 CDRW input signals are right?(pin27, 28, 29) IC201 signals are right? (IC201, 143, 144, 145) Check IC201 cotrol path CDP is right? 31 NO After eject tray, Inset CD-R Blank Disc and re

30、loading. NO Does Disc stop? Go to Spindle control is abnormal 3 NO NO YES Does Disc rotate continuously as Disc recognition is abnormal? Go to Disc recognition is abnormal YES System Check. Load tray without inserting disc. Does Tray operate normally? Go to Tray operating is abnormal YES NO Does Pic

31、k-up move to inside?Go to Sled operating is abnormal YES NO Does Spindle Motor rotate in a moment? Go to Spindle opreating is abnormal YES NO Does Lens move Up/Down? YES Does Laser turn on? Go to Focus Actuator operating is abnormal YES NO Go to Laser is abnormal NO OK After eject tray, Inset CD Dis

32、c and reloading. Does Disc stop? Go to Spindle control is abnormal 1 NO YES Does Disc rotate continuously as Disc recognition is abnormal? Go to Spindle control is abnormal 2 YES 32 Tray operating is abnormal. Is there Tray control signal intput? (IC303 pin40) (Tray open/close doesnt work) YES Check

33、 the connection of IC304 pin 12. Replace the IC320(M62352). Check the communication line between IC304 and IC203(MICOM). Check the Tray Connector(PN302). Check the Motor Line and Motor. NO NO Is there Tray drive voltage output? (IC303 pin36, 37) YES YES YES Check the connection of IC303 Pin100 NO Re

34、place the IC303. NO Is TRAY_MUTE signalL?(IC303 pin41) When PN302 is open, Is there Tray drive signal output? 33 NO NO NO Replace the IC203. NO Check the connection of IC203. NO Sled operating is abnormal. Is there Sled control signal output? (IC203 pin 84, 85) Is there Sled drive voltage input? (IC

35、303) Check the connection of IC203 pin 84, 85 YES YES YES Check the connection of IC203 Replace the IC303 Is there Sled drive voltage output? (IC303 pin 5,6,9,10) Is Act_Mute signal L? (IC303 Pin41) YES Replace the IC303 OK 34 NO NO Check the connection of IC201 pin2. Replace the IC201(OTI-9790) NO

36、Replace the IC306(NJM3404). NO Check the connection of IC201 pin2. Replace the IC203(MICOM) NO Check the connection of IC303 pin24. Replace the IC303 Check the spindle Connector (PN304) Replace the Spindle Motor. NO Spindle operating is abnormal. Is there Spindle control signal input? (IC303 pin 26)

37、 YES YES YES Is there Spindle control signal output? (IC306 pin 7) YES Is there DMO signal input? (IC306 pin5) Is there Spindle drive voltage output? (IC303 pin 12,13,14) Is SPNON signal “H”? (IC303 pin 263) YES Is there a SPNFG signal input? (IC203 pin 95) YES Replace the IC303. OK 35 NO NO Check t

38、he connection of IC201 pin207. Check the communication line between IC201 and IC203 Replace the IC201(OTI-9790) Check the connection of IC203 pin 100. Replace the IC203(MICOM) NO Focus Actuator operating is abnormal Is there Focus Search control signal input? (IC303 pin 27) (FAO) YES YES YES Is Act_

39、Mute signal “L”? (IC303 pin 41) Replace the IC303(BA5983). Check the connection of PN301 Pin 1,4. Check the Pick-up Connector. Replace the Pick-Up. Is there Focus Search drive voltage output? (IC303 pin 34,35) NO NO Go to “Focus Servo is unstable” Replace the IC301(CXA3558R). NO Spindle control is a

40、bnormal 1 Does FOCUS Servo operate normally? YES YES YES Is there a output normally? (IC301 pin 67, 68) Replace the IC301. Go to “Spindle operating is abnormal” Is there RFAC(EFM)signal input? (IC201 pin 163) 36 YES NO Go to “RF output is abnormal” Spindle control is abnormal 2 (CD-ROM Disc) Is ther

41、e RRF signal output? (IC301 pin 82) YES NO Replace the IC301. Is there RFDC signal input? (IC301 pin 81) YES NO Go to “Track servo is unstable” Does Tracking Servo operate normally? YES Go to “Disc recognition is abnormal” NONO Go to “RF output is abnormal” Spindle control is abnormal 3 Is there WBL

42、IN signal input? (IC201 pin 132) Is there ATFM signal output? (IC301 pin 23) YES Replace the IC301(CXA3558R). NO Replace the IC201(OTI-9790). Is there DMO signal output? (IC201 pin 2) YES Go to “Spindle operating is abnormal” 37 NO YES YES NO Go to “RF output is abnormal” Disc recognition is abnorma

43、l Is there CDR/RW signal input normally?(IC201 pin 33) Is there RECD1, RECD2 signal output normally? (IC301) YES Replace IC203 (MICOM)Go to “Track Servo is unstable” NONO Go to “Laser is abnormal” Check the PICK UP FFC. Replace the PICK UP RF output is abnormal Is there PICK UP(A,B,C,D) output norma

44、lly? (PN301 pin 8,9, 14,15) Is RRF signal output normal?(IC301 pin 82) First Recognition try : Over 1.7 Vpp Second Recognition try : Over 0.5 Vpp YES NO Check the connection between PN301 and IC301. Replace the IC301(CXA3558R). OK 38 YES NO Check the IC301(CXA3558R). Focus Servo is unstable Is FE si

45、gnal output normal in Focusing Up/Down? (IC301 pin 58) YES Go to “RF output is abnormal” NO Replace the IC201(OTI-9790). Go to “Focus Actuator operating is abnormal” NONOCheck the PICK UP FFC. Replace the PICK UP. Track Servo is unstable Is TE signal output normal in Focusing ON and Tracking OFF? (I

46、C301 pin57) Is PICK UP(E,F,G,H) output normal?(PN301 pin 16,7,13,10) YES Check the IC301(CXA3558R). Go to “RF output is abnormal” NO Check the IC1306 Is TE signal input normal in Focusing ON and Tracking OFF? (IC201 pin198) YES NO Replace the IC201(OTI-9790). Is there TAO signal output in Tracking O

47、N? (IC201 pin 208) YES Check the Driver IC(IC303) and P/U referring to “Focus Actuator operating is abnormal.” Is FAO signal output normal in Focusing Up/Down? (IC201 pin 207) YES 39 NOCheck the connection of IC207 pin 20. Check and replace the IC207(CPLD). NOCheck the connection of IC304 pin 18. Ch

48、eck and replace the IC304. LD CHECK (Not Read) YES YES YES NO Check the connection of PN301 pin 19. Check and replace the PN301, PICK UP. YES NO YES Check the P/U connector and then replace the P/U YES YESYES YES Normal E Execute E.LD On of How to use Test Tool(Dragon) : VRDC Lop Read Mode PN301 Pin

49、 32(ENBL)=H? IC301 Pin 5(RREF): (0.8+/-0.3V)? IC301 Pin 99(FPDO) : 2.90.3V? Check the connection of IC301 pin 4. Check and replace the IC301. VRDC NG? Execute D.LD Inspection of How to use Test Tool(Dragon) PN301 Pin 25(VRDC): (0.90.5V)? 40 NOCheck the connection of IC207 pin 20. Check and replace the IC207(CPLD). NO Check the connection of IC310 pin 18,29 and 34. Check and replace the IC207(CPLD). LD CHECK (Not Recored) YES NOCheck the connection of IC304 pin 4. Check and replace the IC304(DAC) YES