background image

DX-7555

SERVICE MANUAL

SERVICE MANUAL

COMPACT DISC PLAYER

Black, Silver and Golden models

MODEL 

DX-7555

Ref. No. 3911

122005

/ 092006

230-240V AC, 50Hz
230-240V AC, 50Hz
220-230V AC, 50/60Hz
220-230V AC, 50/60Hz
120V AC, 60Hz
120V AC, 60Hz
120V AC, 60Hz

BMPP
SMPP
GMGT
GMGR
GMDT
BMDC
SMDC

RC-625C

ON

STANDBY

SEARCH

1

2

3

4

5

6

7

8

9

MEMORY

ENTER

DISPLAY

DIMMER

SETUP

RANDOM REPEAT

ENTER

OPEN/CLOSE

10

10/0

CLR

SAFETY-RELATED COMPONENT 
WARNING!!

COMPONENTS IDENTIFIED BY MARK         ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS APPEAR AS SHOWN

IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE

MEASUREMENTS TO DETERMINE THAT EXPOSED

PARTS ARE ACCEPTABLY INSULATED FROM  THE

SUPPLY CIRCUIT BEFORE RETURNING THE

APPLIANCE TO THE CUSTOMER.

Содержание DX-7555

Страница 1: ...6 7 8 9 MEMORY ENTER DISPLAY DIMMER SETUP RANDOM REPEAT ENTER OPEN CLOSE 10 10 0 CLR SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE...

Страница 2: ...ion Temperature humidity Supported discs Optical non contact 2 Hz 20 kHz 111 dB 100 dB 0 0027 22 5 dBm 0 5 Vp p 75 ohm 2 0 V rms 470 ohm AC 230 240 V 50 Hz AC 220 230 V 50 60 Hz AC 120 V 60 Hz 16 W 14...

Страница 3: ...el 1 Ground for the work desk Place a conductive sheet such as a sheet of copper with impedance lower than 10 Mohm on the work desk and place the set on the conductive sheet so that the chassis can be...

Страница 4: ...005 and Servo microprocessor Q1001 1 Connect the AC power cord into a wall outlet 2 Press the POWER button to turn on the unit 3 Change into the state of NO DISC 4 Press and hold down the STOP button...

Страница 5: ...88 x 2 pcs A030 x 2 pcs A105 x 4 pcs A012 x 10 pcs E004 A012 x 2 pcs A018 A090 A066 A090 A020 A044 A010 A048 A042 A058 A002 A056 U05 U08 U09 U01 U10 U02 U06 P1002 P7001 U07 A012 A028 A124 A141 A141 A1...

Страница 6: ...x 2 15 18 x 2 09 11 08 Z006 x 2 Z006 Z003 x 2 Z003 14 04 30 17 22 18 24 01 07 18 x 2 13 18 x 2 21 21 Z006 19 03 03 28 02 32 10 19 20 23 31 x 2 Z005 Z004 x 2 Gold Silver Z007 Z005 Z003 Silver 18 Drive...

Страница 7: ...hassis ass y Motor gear ass y Sled shaft Gear A S P2 x 3 Screw Leaf switch Motor PC board Connector 6pin KSS 213C Pickup EXPLODED VIEWS OF MECHANISM 2 CD DRIVE UNIT KSM 213CLCM X 2625 877 1 X2625 769...

Страница 8: ...00 16 C3007 330 16 C3002 22 50 R1004 NC R1003 10K R1002 10K R1009 100 R1010 100 R1011 100 R1006 10K R1005 10K C1015 TP1002 CD2SPD TP1003 CD4SPD R1012 0 R1016 0 R1013 0 R1015 10K R1037 0 R1033 0 R1032...

Страница 9: ...Q4004 NE5532AP 5 6 8 7 4 R4034 1 5K R4035 R4037 R4039 4 7K R4041 R4043 470K R4044 470K R4045 10K R4046 10K R4047 220 R4051 220 R4052 220 R4048 220 R4050 10K R4049 10K R4055 560K R4056 560K R4054 220K...

Страница 10: ...0 R R8606 47 R8 4 R86 4 R8604 47 R8602 47 S8202 S8201 S8102 S8103 S8101 Q8601 VDISP 60 10G 11G 12G 13G 14G 1G 2G 3G 4G 5G 6G 7G 8G 9G AVDD 24 AVSS18 DIGI_OFF_LED 28 DSC_IND_LED1 29 DSC_IND_LED2 30 DSC...

Страница 11: ...106 4 7K R4108 10K R8504 470 R8702 10K R8701 10K R8704 10K R8706 10K R8705 10K R8703 10K R8708 2 7K R8709 2 7K R8800 2 7K R8991 0 R8206 0 R8600 1M R8508 100K R8503 470 R8116 0 R8117 47 R8111 390 R8112...

Страница 12: ...LK3 3V TP2 VDDA 3 3V TP4 16 9344M TP5 VCTRL L001 10u C001 105Z R001 Val C002 220 6 3 R002 47 C003 10 16 R014 22K R016 470 C009 VAL C008 VAL Q001 TC7WZU04FU 1 2 3 4 GND 5 6 7 8 VD Q002 NJM2373AF 1 NC 2...

Страница 13: ...PRINTED CIRCUIT BOARD VIEWS 1 DX 7555 A 1 2 3 4 5 B C D U01 MAIN CIRCUIT PC BOARD NAAR 8645 Component side U02 CONNECTOR PC BOARD NAETC 8736 Component side...

Страница 14: ...DX 7555 E F G H...

Страница 15: ...PRINTED CIRCUIT BOARD VIEWS 2 DX 7555 A 1 2 3 4 5 B C D U01 MAIN CIRCUIT PC BOARD NAAR 8645 Soldering side...

Страница 16: ...DX 7555 E F G H...

Страница 17: ...001 S8002 S8003 S8004 S8004 S8101 S8102 S8103 S8201 S8202 J1002 J1006 J1003 J1004 J1005 J1038 J1007 J1008 J1009 J1010 J1011 J1012 J1013 J1015 J1040 J1016 J1042 J1027 J1029 J1030 J1031 J1032 J1034 J103...

Страница 18: ...2 R8901 1 6 1 2 1 4 1 C8604 01 C8504 P8003A Q8101 Q8101 U8001 U8001 X8601 J1017 J1018 J1019 J1020 J1021 J1022 J1023 J1024 J1028 Q8101A Q8101A Q8101B Q8101B U8001A U8001A 30 15 15 7 27 27 DX 7555 E F G...

Страница 19: ...N P SW P SW T 2 T 2 ADD_ B P OFF GND B P ON WHIT WHIT E011 E012 AC G AC H S9001 S9001 C9107 NCPS 8648 25138648 3 P9022 AC G AC H T902 T902 C9115 NCPS 8647 25138647 J9101 J9102 R9102 R9101 J9103 AC H A...

Страница 20: ...J4006 25138653 P7002 J4004 3 P4101 P4101 JL4001B C4107 E4102 C4108 C4111 NCETC 8652 25138652 2 L4001 L4001 C4121 E4101 1 6 E4103 J4007 J4008 P8003B D8401 NCETC 8651 0 20 DX 7555 PRINTED CIRCUIT BOARD...

Страница 21: ...y voltage CH3 4 Mute terminal GND CH3 PWM reverse input terminal CH3 PWM forward input terminal CH4 input terminal CH4 external CAPA connection terminal CH4 external reference voltage input terminal O...

Страница 22: ...Selector Digital OUT D A Interface CD Signal Processor Block A D Converter TE FE SUM Clock Generator PLL1 PLL2 CPU DSP CODEC ATRAC3 ATRAC X MP3 CDDSP Servo Auto Sequencer Digital CLV EFM Demodulator D...

Страница 23: ...al GND ARC Interrupt to microprocessor CPU I F ARC CLK CPU I F ARC DATA Codec latch signal CPU I F ARC REQ CPU I F ARC ACK CDDSP control latch signal Internal digital power supply Internal digital GND...

Страница 24: ...gnal output from RF amplifier block Focus error signal input to DSSP block or A input Focus error signal output form RF amplifier block Center voltage output from RF amplifier block Center voltage inp...

Страница 25: ...AVD5 IOVDD3 IOVSS3 I I O I I I O I I O I I O I O O O O Test mode set CPU I F ARC DATA CPU I F ARC CLK Internal digital GND Internal digital power supply Test pin Normally GND Test pin Normally GND Op...

Страница 26: ...DX 7555 IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS 6 Q4001 WM8740 24 BIT DAC 1 2 BLOCK DIAGRAM...

Страница 27: ...DX 7555 IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS 7 Q4001 WM8740 24 BIT DAC 2 2 TERMINAL DESCRIPTION...

Страница 28: ...j k b f m g c e r p n d 8G a h j k b f m g c e r p n d 9G a h j k b f m g c e r p n d Hp 10G a h j k b f m g c e r p n d 11G 12G 13G RANDOM RANDOM MEMORY TOTAL REMAIN CD PROGRESSIVE MP3 DVD AUDIO SAC...

Страница 29: ...645 2 Press the POWER button to turn on the unit 3 Wait for 3 minutes Heat running 4 Press and hold down the STOP button then press the FF fast forward button All segments light up 5 Press the STOP bu...

Страница 30: ...X 7555 C 777 S C 777 S L R A806 A803 A805 80 cm A802 x 2 pcs A606 A800 A607 A608 A600 R L R A601 A606 A606 A604 OUTER A602 INNER A600 L L R A608 A606 A606 A801 A804 1 m A807 A808 A809 A810 Front side...

Страница 31: ...tp www us onkyo com ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6 82194 Groebenzell GERMANY Tel 49 8142 4401 0 Fax 49 8142 4401 555 http www eu onkyo com Sales Product Planning Div 2 1 Nisshin cho...

Отзывы: