Sony HCD-C70 - Table of Contents

TABLE OF CONTENTS
Section Title Page Section Title Page
SECTION’. SERVICE NOTE ...........0...: ec 5 6-6. Printed Wiring Board
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SECTION 2. GENERAL 6-7. Schematic Diagram
Parts
Identification
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6-8. Schematic Diagram
SECTION 3. DISASSEMBLY © Paiiel SoC Oishi. Bia tes tates ciekattle see cater tee a sacipe dee 46
3-P.. Removal Of Case: iscicscccicssssancisiecssssusciviensivssscsestnevsseuteenssnessoeestes 11 6-9. Printed Wiring Board
3-2. Removal of Back Patel .............ccccessccssseeccecssneeeceeseesseeeeesseeeesees 11 2 Pariel: SECHOM 6225 e.c55005s sshss ds Ses eaclsdeosescivaee added sts eeeatae dis iatiens 51
3-3, Removal of Main Board ..........cccccececeesseeceeteesevsesssensectesseeeeeees 11 6-10. Semiconductor Lead Layouts ....... cece eseeeseeeeteeeeseseteseeeseees 53
3-4. Removal of Front Panel ASSY .............cesseessecsssssssesesseseeesteneesees 12
3-5. Removal of CD Mechanism Deck ......c..ccscsssessssssesssesestesneeseeees 12 SECTION7. EXPLODED VIEWS
F-1,,. Cases Board. SoC :edszcccigceicsesac dose sasecieetaadesi, Se feivevioteastiachas sense 55
SECTION 4. ELECTRICALADJUSTMENTS 7-2. CD Mechanism Section 1 (CDM23B-5BD3) ......sssscseeseeeeees 56
4-1. Tuner Section Adjustment 00.0.0... cccscssscsssecssseeseseseeseseeseees 13 7-3. CD Mechanism Section 2 (CDM23B-S5BD3)........:ccsesssssesteseees $7
4-2. CD Section Adjustment ...0..... cc ccessssssssseesrseeeeeseresesessesneees 15 7-4. Optical Pick-up Section (BU-SBD3) wo. seesseseeneeeeeees 58
SECTION5. IC PINFUNCTIONS SECTION 8. ELECTRICAL PARTS LIST..........0..0008 59
¢ IC701 Tuner/Timer Controller (TMP87CC70F-6129) 00... teens 17
¢ 1C601 CD Master Controller (75518GF-127-3B9) ........ccccscesseeeereeeee 18
¢ IC201 CD Mechanism Controller (PD75516GF-431-3B9)............. 20
SECTION6. DIAGRAMS
6-1. Circuit Boards Location ....cccccscsccssssssssessesessesssessesssesseeseneseenees 23
6-2. Block Diagram — Tumer Section — ou... cccecsesessseeeseeseenneees 24
6-3. Block Diagram — Display Section —.......cssccseseseseseeeeereees 27
6-4. Schematic Diagram
© Tumer SOCUION ssicscsiscvcecesecvatsascsvaataseldicsesieiisecssesesdbinspereanederestiace 31
6-5. Printed Wiring Board
© Tuner SECU sscchss ciccses deste AR casheethe ahi t cs etzedeedatied entsatins 35