Philips EXP7361 Service Manual

Portable cd-player with mp3/wma playback
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Portable CD-player with MP3/WMA playback

TABLE OF CONTENTS

Technical specification ......................................................1-1
Connections and controls ..................................................1-2
Features ............................................................................1-3
Accessories .......................................................................1-3
Safety & Warnings.............................................................1-4
Lead free soldering .......................................................2-1
Dismantling instructions ................................................2-1
Repair positions ............................................................2-2
Reassembling instructions ............................................2-2
Handling chip components............................................2-3
Service tools..................................................................2-3
Pin description of ICs.........................................................3-1
Service Test Program ........................................................3-4
Blockdiagram .....................................................................3-6
©
Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may be reproduced, stored in a retrieval
system or transmitted, in any form or by any means, electronic, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Published by PW 0417 Service Audio
Version 1.0
Printed in The Netherlands
Subject to modification
Circuit diagrams
Supply part ....................................................................4-1
Control part ...................................................................4-2
CD part ..........................................................................4-3
Tuner part......................................................................4-4
Printed circuit board
Componentside view .....................................................4-5
Copperside view............................................................4-6
Exploded view ...................................................................5-1
Mechanical partslist ...........................................................6-1
Electrical partslist...............................................................6-1
Revision list .......................................................................7-1
EXP7361
all versions
PRODUCT FAMILY EXPANIUM 7
CLASS 1
LASER PRODUCT
© 3103 785 25240

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Summary of Contents for Philips EXP7361

  • Page 1: Table Of Contents

    LASER PRODUCT © Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips.
  • Page 2: Technical Specification

    TECHNICAL SPECIFICATION Headphone out CD/MP3/WMA (16Ω load, DBB/ESP=off) Output power (THD≤10%) /17 version only : 2x5mW (+2/-3dB) General all other versions : 2x2.5mW (+1/-3dB) Frequency response (1mW) : 100Hz-20kHz within 6dB Dimensions (W x H x D) : 133 x 15.5 x 133mm : ≥80dB (83dB typ.) S/N ratio (unwght) Weight without batteries...
  • Page 3: Connections And Controls

    CONNECTIONS AND CONTROLS Portable CD-player EXP7361 Remote Control AY3786 1 4.5V DC jack for AC/DC adaptor power supply 2 EXT. BATT jack for external battery supply 3 LOCK•UNLOCK locks/unlocks all buttons on the set only / LINE OUT connect the remote control here and your...
  • Page 4: Features

    FEATURES “ ” – – – – – ACCESSORIES “ ” → e i l a l i...
  • Page 5: Safety & Warnings

    SAFETY & WARNINGS WARNING WAARSCHUWING All ICs and many other semiconductors are susceptible to Alle IC´s en vele andere halfgeleiders zijn gevoelig voor electrostatic discharges (ESD). Careless handling during electrostatische ontladingen (ESD). repair can reduce life drastically. Onzorgvuldig behandelen tijdens reparatie kan de levensduur When repairing, make sure that you are connected with the drastisch doen vermindern.
  • Page 6: Service Hints

    Due to this fact some rules have to be respected by the workshop during a repair: • Use only lead-free soldering-tin Philips SAC305 with order code 0622 149 00106. If lead-free solder-paste is required, please contact the manufacturer of your solder-equipment.
  • Page 7: Repair Positions

    REPAIR POSITION TOP-SIDE REASSEMBLING THE UNIT To get access to the top-side of the Main Board proceed as follows: 1. Dismantle CD-door 2. Dismantle cabinet 3. Supply the unit via external DC-socket 4. To carry out measurements short-circuit door-switch or start Service Test Program →...
  • Page 8: Handling Chip Components

    HANDLING CHIP COMPONENTS SERVICE TOOLS Audio signal disc SBC429 4822 397 30184 Playability test disc SBC444A 4822 397 30245 CD-RW printed audio disc 7104 099 96611 MP3 8cm disc (for testing MP3 files, bitrates: 128; 160 and 192 kbit/s) 7104 099 28271 SubChassis 8A test disc (8cm disc) 7104 099 32841 ESD PROTECTION EQUIPMENT...
  • Page 9 PIN DESCRIPTION OF INTEGRATED CIRCUITS TEA5767HN – LOW POWER FM-TUNER Name Direction Description – no connection FM-tuner → CPOUT charge pump output of synthesizer PLL FM-tuner → VCOTANK1 voltage controlled oscillator tuned circuit output 1 FM-tuner → VCOTANK2 voltage controlled oscillator tuned circuit output 2 →...
  • Page 10 SM8613AV – LASER DIODE DRIVER Name Direction Description → laser diode driver LDISET LD drive maximum current setting resistor connection – no connection → laser diode driver MUTE intermittent drive stop signal → laser diode driver intermittent control reference pulse input →...
  • Page 11 MN662793CF – DIGITAL SIGNAL PROCESSOR FOR CD Name Direction Description signal processor ↔ DRAM DRAM data I/O signal 11 signal processor ↔ DRAM DRAM data I/O signal 10 signal processor ↔ DRAM DRAM data I/O signal 9 signal processor ↔ DRAM DRAM data I/O signal 8 signal processor →...
  • Page 12: Service Test Program

    SERVICE TEST PROGRAM To enter the Service Test Program proceed as follows: 1. Disconnect the AC/DC adaptor and remove batteries 2. Open the CD-door 3. Hold PLAY & NEXT buttons depressed 4. Connect the AC/DC adaptor or insert batteries The display shows the software version (e.g. “S-1201”). The program is now in the main menu.
  • Page 13 SERVICE TEST PROGRAM – FLOW CHART To enter the service test program PRELIMINARY 1. Disconnect the AC/DC adaptor and remove batteries SETUP 2. Open the CD-door 3. Hold “PLAY” & “NEXT” buttons depressed 4. Connect the AC/DC adaptor or insert batteries Display shows software-version (e.g.
  • Page 14: Blockdiagram

    BLOCKDIAGRAM 7403 7401 P MN101CF61G EEPROM I2C_CLK 12kB RAM 128kB ROM I2C_DATA eye-pattern signal FM_RW DISC > 500 mVpp KEY1 KEYBOARD KEY2 TURNTABLE TB=0.5 s CLOCK GEN. +DRIVE MOTOR nPSM & TIMING CONTROL (FROM P) 8MHz 16.9MHz TRACK GCTL (TO HF-PREAMP.) +2.6V +2.6V +DSP...
  • Page 15: Supply Part

    1200 A3 2202 A9 2212 A6 2225 B9 2308 F11 2318 F12 2328 D10 3201 B14 3211 A10 3221 B3 3231 F2 3241 G3 3251 B2 3261 G4 3271 A3 3302 C11 3312 E13 3322 F6 3332-2 G8 4201 B7 5204 A4 5307 G15 7201 A5...
  • Page 16: Control Part

    1401 D8 1405 H10 1409 A14 2404 A4 2408 C6 2413 E2 2418 C7 2422 B7 2426 B8 3402 F6 3407 A4 3417 B14 3424 H9 3428 H7 3442 H8 3446 H14 7404 G7 F400 H8 F406 G4 F410 G4 F418 H10 F422 C15 F426 F10...
  • Page 17: Cd Part

    1800 C1 2804 B4 2810 C2 2816 D3 2822 D5 2828 E3 2835 A14 2841 F8 2847 A4 2853 G9 2859 B2 3802 A2 3808 B4 3814 C11 3820 E3 3826 E10 3837 G4 3843 F5 3851 H7 4801 A15 5800 E2 7801 D2 7808 H7...
  • Page 18: Tuner Part

    1100 F5 2100 A7 2101 A8 2102 A5 TUNER PART 2103 B5 2104 B6 2105 E2 2100 2101 2106 B5 2107 C3 220p 220p 2108 C2 6100 BAV99 2102 2109 C7 2110 C7 2111 C2 2112 C7 2113 C7 2103 2114 D7 2125 2115 D8...
  • Page 19: Componentside View

    1200 F2 2419 F4 3245 E1 3818 E6 1202 C3 2420 F5 3246 C6 3820 E6 1203 D3 2421 E4 3247 C6 3821 D6 1204 E3 2422 F5 3248 F1 3822 E6 COMPONENSIDE VIEW 1205 B4 2423 F5 3249 F1 3823 E5 1400 C4 2424 F5...
  • Page 20: Copperside View

    1100 D1 2835 E3 3328 C2 7306 A1 1300 C1 2836 E4 3330 B2 7401 E3 1401 F3 2837 E2 3331 B2 7402 E5 1409 A1 2838 D2 3332 B1 7800 F4 1801 E2 2839 D2 3339 B1 7802 E2 COPPERSIDE VIEW 2103 C1 2840 D2...
  • Page 21: Exploded View

    EXPLODED VIEW 0100 0104 2 x screw P1.4x2.5 0101 0111 0002 0001 0200 0203 0202 6 x screw P1.7x6 0201 0255 (3x) 0004 0256 0259 0003 0002 (2x) 0252 8001 0250 0251 0254 0258 0253 0257...
  • Page 22: Mechanical Partslist

    MECHANICAL PARTSLIST ELECTRICAL PARTSLIST 0002 3103 301 46611 SPRING-BATTERY MISCELLANEOUS 0003 3103 301 46621 SPRING-BATTERY-CHARGE ––––––––––––––––––––––––––––––––––––––––––––––––––––– 0004 3103 301 46631 SPRING-CONTACT 0256 3103 309 05440 CD-DRIVE KSM1000 0100 3103 309 50271 DOOR-CD-ASSEMBLY 1200 ! 2422 086 11012 FUSE 0,7A 50V UL 0200 3103 309 50281 CABINET-ASSEMBLY...
  • Page 23 CAPACITORS CAPACITORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2214 © 3198 023 41040 100nF 2418 © 3198 035 01020 2215 © 3198 035 21030 10nF 2419 © 3198 035 01020 2217 © 3198 017 41050 1µF 2420 © 3198 035 01020 2219 © 3198 035 04710 470pF 2421 ©...
  • Page 24 CAPACITORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2857 © 3198 016 33380 3,3pF 3246 © 3198 031 05630 56kΩ 0,06W 2858 © 2238 869 15479 47pF 3247 © 3198 031 02240 220kΩ 0,06W 2859 © 2238 869 15479 47pF 3248 © 3198 031 04740 470kΩ...
  • Page 25 RESISTORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3337 © 3198 031 01530 15kΩ 0,06W 3841 © 3198 031 01030 10kΩ 0,06W 3339 © 3198 031 01530 15kΩ 0,06W 3842 © 3198 031 02250 2,2MΩ 0,06W 3340 © 3198 031 01530 15kΩ 0,06W 3843 © 3198 031 01030 10kΩ...
  • Page 26 7401 © 9322 198 47668 M24C02-RDW6, EEPROM 7402 © 9322 199 07669 LV8222W, SERVO DRIVER 7403 © 3103 308 84831 MN101C61G-EXP7361, µP 7800 © 9322 178 78668 K4S641632F-TC70, DRAM 7801 © 9322 182 66671 AN8399SA, HF PRE-AMPLIFIER 7802 © 9322 197 87671 MN662793CF, DSP 7804 ©...
  • Page 27: Revision List

    REVISION LIST Manual 3103 785 25240 – Version 1.0 • Initial release...

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