Kenwood-KDCMP-628-Service-Manual(2) 电路图 维修手册.pdf
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1、 2005-3 PRINTED IN JAPAN B53-0266-00 (N) 1708 CD RECEIVER KDC-MP628 KDC-MP7028 KDC-MP728 KDC-MP8029 KDC-W7031/Y SERVICE MANUAL This product uses Lead Free solder. AN KDC-MP628 SRC VOLVOL AUDAUD ATT AMEAUTOMENU FFFF C.S. System SCANREPM.RDMRDMF. SCRL SWSW AN KDC-MP7028 SRC VOLVOL AUDAUD ATT AMEAUTOME
2、NU FFFF C.S. System SCANREPM.RDMRDMF. SCRL SWSW AN KDC-MP728 SRC VOLVOL AUDAUD ATT AMEAUTOMENU FFFF C.S. System SCANREPM.RDMRDMF. SCRL SWSW AN KDC-MP8029 SRC VOLVOL AUDAUD ATT AMEAUTOMENU FFFF System SCANREPM.RDMRDMF. SCRL SWSW PTY AN KDC-W7031 SRC VOLVOL AUDAUD ATT AMETIMENU FFFF System SCANREPM.RD
3、MRDMF. SCRL SWSW * Depends on the model. Refer to the parts list. SPARE TDF PANEL MAIN UNIT NAMETDF PARTS No.TDF NAME KDC-MP628Y33-2200-62TDF-MP75D KDC-MP7028Y33-2200-60 TDF-MP75DB KDC-MP728Y33-2200-62TDF-MP75D KDC-MP8029Y33-2200-63TDF-MP8029 KDC-W7031/YY33-2200-64TDF-W7031 Mounting hardware assy (J
4、21-9716-03) Plastic cabinet assy (A02-2732-03) * DC cord (E30-xxxx-xx) * Escutcheon (B07-xxxx-xx) Panel assy KDC-MP628 (A64-3507-12) Panel assy KDC-MP7028 (A64-3665-02) Panel assy KDC-MP728 (A64-3506-12) Panel assy KDC-MP8029 (A64-3513-12) Panel assy KDC-W7031/Y (A64-3508-12) * DC cord (E30-6412-05)
5、 * Screw set (N99-xxxx-xx) * Remote controller assy (RC-527) (A70-2067-05) Battery (Not supplied) Lever (D10-4589-04) x2 * Tapping screw (N09-xxxx-xx) * Antenna adaptor (T90-0523-05) CD MECHANISM EXTENSION CORD (24P) : W05-0934-00 RadioFans.CN 收音机爱 好者资料库 2 KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y
6、BLOCK DIAGRAM AM+B FRONT-END A1 CN550 CD/MD J2 LX-BUS SW5V A8V A8V AGC E-VOL/ SOURCE SELECTOR LPFDSPDACLPF A3.3VA5V D3.3VD5VBU5V A8V A3.3VREF+B SVR REF PRE MUTEAMP OP IC POWER 9V PRE OUT PRE OUT PRE OUT AUX IN SHIFT LEVEL D3.3V IC304 IC303IC301,302IC306-308IC305 IC1 IC5IC3 IC4 IC800Q800,802 Q608-613
7、 Q801 IC750 IC500 Q402,403 IC300 IC601-603 IC103 DRIVER MUTE BU5V IC102 RDS DECODER IC400 IC100 MD-DET MEMORY INSTALLER ROM CORRECTION IC104 SW5V BU5V A8V D5V SERVO Q450 DSI BU5V UP BACK RESET IC (X16-252) BU5V SYSTEM u-COM OPEL DISP P-CON ANT-CON EXT AMP ACC DET DIMMER SURGE DET B.U DET Q20,21 BU5V
8、 SW16V Q50-52 Q41,43,44 ILL+B SW14V IC10 A8V Q12 IC601-603 DC/DC (5VPRE) +B MOTOR Q30,32 42,45 PANEL 5V (VFD) SERVO IC80 FL DC Q31,33 DC/DC IC60 DRIVER MOTOR IC450 CD5V Q63,64 SW5V Q22,23 MECHA PANEL M1 CLOSE OPEN/ DET Q100,101 P CON ANT CON EXT.AMP.CON DIMMER ACC BACK UP LINE PANEL SP OUT(FR) SP OU
9、T(RL) SP OUT(FL) SP OUT(RR) REMOTE IC8 LEVEL SHIFT D3.3V IC11 SW5V Q7,8 D2.5V IC10 Q11,13 FL+B Q9,10 FL3.3V FL Q6 SW3.3V PANEL u-COM IC4 IC7 RESET SW IC5 IC1 S1 FLASH ROM ENCODER ROTARY IC2 ANALYZER SPECTRUM IC6 REMOTEKEY ILLUMI Q3-5 BU5V SW5V SERVO D5V A8V 9V ILL+B Q40, ED1 ILL+B (SW) (FRONT) (REAR
10、) WIRED LEVEL SHIFT Q205 Q203,204 Q202 Q207 Q206 Q208,209 IC200 KEY MATRIX E2PROM FST FM/AM AUX CH CDorMD SPECTRUM MUTE A,C MUTE 0,1 WININOFFSET RST MUTE A,C STBY for MPX RDS RST ANALYZER SPECTRUM MUTE 0,1,2 ANALYZER PANEL EF A C B TR COIL FO COIL APC IC7 16.934MHz CLOCK IC3 LPF IC2 SWA3.3V REG IC1
11、LOADING by pressing for at least 2 seconds, all error log information is cleared. (Display) I2C_ (Display) ERR_1, 2, 3 In “”, “OK” or ”NG” is displayed. In “”, “ ” or an error code is displayed. (*1) : 1 count is made when the panel opens to full or when a disc is loaded. Initializing AUDIO-related
12、value setting During STANDBY sourcing, by pressing key for less than 1 second, AUDIO setting values are returned to the default values. Flash ROM check 1. In order to prevent the Flash ROM (4M) equipped models to be installed with the Mask ROM (2M) panel, and to pre- vent the Mask ROM (2M) equipped
13、models to be installed with the Flash ROM (4M) panels, with the STANDBY sources during the test mode, the following display will be made according to the system -com and panel combina- tion. Flash ROM (4M) equipped model and Flash ROM (4M) panel All lights turned on OK! Mask ROM (2M) equipped model
14、and Mask ROM (2M) panel All lights turned on OK! Flash ROM (4M) equipped model and Mask ROM (2M) panel “M4P2” NG! Mask ROM (2M) equipped model and Flash ROM (4M) panel “M2P4” NG! 2. When entering the test mode, the manufacture code of the Flash ROM (4M) is read and when it is normal, FROMCHK of the
15、100th terminal (Panel -com) repeats Hi Low Hi . If the reading is abnormal, “Low” is output. If the manufacture code is normal, by pressing key for less than 1 second, the connection checks on all terminal is started. If the connections are normal, the FROMCHK terminal stops the Hi Low Hi repeating
16、and out- puts “Hi”. If the reading is abnormal, “Low” is output. TEST MODE KDC-MP628/MP7028/MP728 MP8029/W7031/W7031Y 17 3. With all lights turned on and by pressing AM key for at least 1 second, the data on the Flash ROM (4M) is initial- ized. While erasing the data, “Data_Erase.” is displayed. Not
17、e : Do not touch any key white this is in progress. When erasing is complete, “Erase_OK!” is displayed. If “Erase_NG!” is displayed, it was not possible to erase the data on the Flash ROM (4M). In this case, pressing AM key for at least 1 second again. If it is the same, then there is an abnormality
18、 with the Flash ROM. Other At Power ON, “CODE_OFF”, “CODE_ON” displays will not be made. When sourcing STANDBY, by pressing AUTO or TI key for less than 1 second, GREEN/RED of the key illumination is switched. When doing this, the triangle illumination GREEN/RED is switched along with the key illumi
19、nation. When staring up in the test mode, LINE MUTE prohibition time is set to 1 second instead of 10 seconds. While in the test mode, even when a DC offset error is de- tected, the detection information will not be written to the E2PROM. While in the test mode, even after an elapse of pre-set time,
20、 the backup memory items will not be written to the E2PROM. Information Clear mode for Test Mode, backup/installer memory, and CD mechanism error log. In the DC offset error detection information clear mode, DEMO mode operation will not be conducted. Also, in the above mode, the menu of the STANDBY
21、source will not display DEMO ON/OFF switching items. While in the test mode, and at the same time, PM_DET of the 60th terminal (System -com) is H, the following will apply to the EJECT key, regardless of whether a disc is in the unit or not. Panel full OPEN/CLOSE is conducted with a push for less th
22、an 1 second. (Protection time : 3 seconds) As far as this item is concerned, eject will be achieved by for at least 1 second push on the EJECT key. Clearing backup memory and installer memory data (Clearing E2PROM data) 1. By pressing (NEXT) key and ATT key simultaneously, reset and start the unit.
23、This will start the initialization pro- cesses for backup and installer memory data and the error log information of the CD mechanism. Abnormal ending 1 : backup/installer memory initialization : NG TEST MODE C D _ E 2 P _ _ _ : A U D I O _ E 2 P : C D _ E 2 P _ _ _ : A U D I O _ E 2 P : C D _ E 2 P
24、 _ _ _ : A U D I O _ E 2 P : C D _ E 2 P _ _ _ : A U D I O _ E 2 P : Abnormal ending 2 : CD mechanism error log initialization : NG Abnormal ending 3 : All initialization : NG 3. While in this mode, even after an elapse of a pre-set time, no backup memory items will be written to the E2PROM. 4. This
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