Sanyo DC-DA370 User Manual

FILE NO.Service ManualMicro Component SystemDC-DA370 (UK)PRODUCT CODE No.129 599 00REFERENCE No. SM5810201This service manual consists of "DC-DA3

- 9 -PARTS LISTREF.NO. PART NO. DESCRIPTIONS6218 614 240 1002 SWITCH,TACTor 645 006 5958 SWITCH,PUSH 1P-1Tor 614 220 5471 SWI

- 10 -PARTS LISTREF.NO. PART NO. DESCRIPTIONor 405 000 0904 TR DTA114YSor 405 078 2404 TR BN1A4PQ2452 405 078 2404 TR BN1A4Po

- 11 -1325467※※※※※※※PARTS LIST(TAPE MECHANISM)TAPE MECHANISMREF.NO. PART NO. DESCRIPTION614 315 4839 ASSY,MECHA,TM-DA37

- 12 -IC BLOCK DIAGRAM & DESCRIPTION1452 3VCCHEADSWITCHCTRL1CTRL2GNDIC443 BA7755A (Head Switch)IC440 AN7348K ( Play/Rec Pre Amp)Nor/Cro&am

- 13 -IC102 LC78622NE (Digital Signal Processor)No. Pin Name I/O Function32 TEST3 I Test pin.33 TEST4 I Test pin.34 NC - Non connection.35 MUTEL O

- 14 -Pin No Pin NameSymbolI/O Function1 P06AMBER_LEDO AMBER_LED Output2 P07DSP_RESETO DSP Reset Signal3 P10/S00COINO CD_DSPInterface(command+data O

- 15 -LCD DISPLAY DESCRIPTIONFGHBIKJECLNMADSURR.S7S5S6PS4S3S2S1*1*1T1T218COL401PAD NO.1234567891011121314151617181920COM1COM1------1F1A1K1B2F2A2K2

- 17 -- 16 -SCHEMATIC DIAGRAM (CD)This is a basic schematic diagram.PRODUCT SAFETY NOTICEEach precaution in this manual shouldbe followed during

- 19 -- 18 -PRODUCT SAFETY NOTICEEach precaution in this manual should be followed during servicing.Components identified with the IEC symbol !!!

- 25 -- 24 -SCHEMATIC DIAGRAM (AMPLIFIER)This is a basic schematic diagram.PRODUCT SAFETY NOTICEEach precaution in this manual should be followe

- 1 -SPECIFICATIONSGeneralOutput power ... 12.5 W x 2 (at 4 ohms, 10% distort

- 27 -- 26 -SCHEMATIC DIAGRAM (TUNER)This is a basic schematic diagram.

- 28 -WIRING DIAGRAM(PRIMARY+ SECONDARY POWER TRANSFORMER AND CD LID SWITCH)POWER TRANSFORMER, PRIMARY P.W.BOARDPOWER TRANSFORMER, SECONDARY P.W.B

- 29 -VOLTAGE TABLEIC101 LA9241MPIN 123456789101112131415161718VOL(V) 2.51 2.51 2.54 2.54 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2.52 2

- 30 -VOLTAGE TABLEIC445 MM1453XFPIN 123456789101112131415161718VOL(V) 3.42 3.42 0 0 3.42 3.42 3.42 3.42 0 3.42 3.42 3.42 3.42 3.42 4.09 3.42 7.

SANYO Technosound Co., Ltd.Osaka, JapanApr. / '01 / 1000 BB Printed in JapanWIRING CONNECTIONCD MECHANISM(6P)(15P)CN430(3P)CN457(2P)CN456

- 21 -- 20 -FRONT P.W.BOARDWIRING DIAGRAM (CD & FRONT)CD P.W.BOARD

- 23 -- 22 -AMPLIFIER P.W.BOARDWIRING DIAGRAM (TUNE & AMPLIFIER )TUNER P.W.BOARD

- 2 -LASER BEAM SAFETY PRECAUTION• Pick-up that emits a laser beam is used in this CD player section.CAUTION :USE OF CONTROLS OR ADJUSTMENTSOR

- 3 -OPENING EXPANDEDba (2) Checking the "eye" pattern1. Switch "ON" the POWER.2. Connect an oscilloscope to TP1 (RF) and TP4 (

- 4 -TUNER ADJUSTMENTS1. FMStep Adjusting Connection SG Set Adjustment RemarkCircuit Input Output Frequency Position198.0MHz.Input Level Alignment

- 5 -BAWHEN ASSEMBLING THE RACK GEAR AND CD LIDWhen assembling the rack gear and CD lid, "A"part should be inserted into the "B"

- 6 -EXPLODED VIEW (CABINET & CHASSIS)121215151634672737Y02Y03Y05Y075455Y05Y04Y01Y05Y05Y0624565857712627283229303031251417335352181920222321591

- 7 -PARTS LISTPRODUCT SAFETY NOTICEEACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH T

- 8 -PARTS LISTCD P.W.BOARD ASSYREF.NO. PART NO. DESCRIPTION71 614 314 9606 ASSY,PWB CD (Only Initial)CN111 645 040 0513 SOCK