Philips AZT 3202 Service Manual

Portable compact disc player

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Portable Compact Disc Player

TABLE OF CONTENTS

Technical specification ......................................................1-1
Features and Accessories .................................................1-2
Connections and controls...........................................1-3..1-4
Instruction For Use ...................................................1-5..1-10
Safety & Warnings...........................................................1-11
Repair positions ............................................................2-1
Dismantling CD-door .....................................................2-1
Handling chip components............................................2-2
Service tools..................................................................2-2
Pin description of ICs .................................................3-1..3-7
Start-up procedure.............................................................3-8
Service Test Program...............................................3-9..3-10
Blockdiagram .....................................................................4-1
©
Copyright 2001 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 LX 0316 Service Audio
Printed in The Netherlands
Subject to modification
PRODUCT FAMILY TARGET FM TUNER
Circuit diagrams
Control/Supply part ....................................................5-1
Audio part ..................................................................5-2
Drive/ESP part ...........................................................5-3
FM part ......................................................................5-4
Printed circuit board
Componentside view .....................................................5-5
Copperside view............................................................5-6
Exploded view ...................................................................6-1
Mechanical partslist ...........................................................6-1
Electrical partslist .......................................................7-1..7-5
AZT 3202
all versions
CLASS 1
LASER PRODUCT
© 3140 785 32580

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Summary of Contents for Philips AZT 3202

  • Page 1: Table Of Contents

    LASER PRODUCT © Copyright 2001 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 Current consumption General Dimensions (WxHxD) : 128x30x139.5mm Weight without batteries : 220g CHARGE Laser TUNER Output power : <5mW (3mW typ.) µ . l c Wavelength : 780nm Shock resistance Charge section (not on all versions) +X/-X direction : ≥2.5g Charge current : 250mA ±50mA...
  • Page 3 1 - 2 Measurement setup CD Measurement setup FM Use Audio Signal disc SBC429 4822 397 30184 Use bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from pilottone (19kHz, 38kHz). Bandpass Low pass filter 22kHz LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g.
  • Page 4: Connections And Controls

    CONNECTIONS AND CONTROLS...
  • Page 5 CONNECTIONS AND CONTROLS...
  • Page 6: Instruction For Use

    INSTRUCTION FOR USE...
  • Page 7 INSTRUCTION FOR USE...
  • Page 8 1 - 7 INSTRUCTION FOR USE...
  • Page 9 1 - 8 INSTRUCTION FOR USE...
  • Page 10 1 - 9 INSTRUCTION FOR USE...
  • Page 11 1 - 10 INSTRUCTION FOR USE...
  • Page 12: Safety & Warnings

    1 - 11 SAFETY & WARNINGS © ñ 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 13: Service Hints

    2 -1 SERVICE HINTS REPAIR POSITION COMPONENTSIDE REPAIR POSITION COPPERSIDE To get access to the componentside of the To get access to the copperside of the printed board assembly proceed as followed: printed board assembly proceed as follows: 1.Remove the bottom screws(6x) 1.Remove the bottom screws(6x) 2.Open the CD-door 2.Lift the bottom -cabinet...
  • Page 14: Handling Chip Components

    2 - 2 HANDLING CHIP COMPONENTS SERVICE TOOLS Audio signal disc SBC429 4822 397 30184 Playability test disc SBC444 4822 397 30245 Test disc 5 (disc without errors ) + Test disc 5A(disc with dropout errors black spots and fingerprints) SBC426/ SBC426A 4822 397 30096 ESD PROTECTION EQUIPMENT Anti-static table mat large 1200x650x1.25mm...
  • Page 15 3 - 1 PIN DESCRIPTION OF INTEGRATED CIRCUITS MN662786SB – SIGNAL PROCESSING IC Name Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Power supply for DRAM interface (Pin 2 to 19,and 80) DRAM data I/O signal 0 DRAM data I/O signal 1 DRAM write enable signal NRAS DRAM RAS control signal DRAM data I/O signal 2...
  • Page 16 3 - 2 Name Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– *SPPOL Spindle motor drive signal output (Polarity output) PMCK 88.2-KHz clock signal output *NCLDCK Frame sync signal output f=7.35kHz (Normal-speed playback) *SUBC Subcode serial output *SBCK Subcode serial output clock input NTEST Test input pin Normal: H Crystal oscillator output pin f=16.9344 MHz Crystal oscillator input pin...
  • Page 17 3 - 3 TEA5768HL - LOWPOWER FM STEREO RADIO BLOCK DIAGRAM...
  • Page 18 3 - 4 PIN DESCRIPTION OF TEA5768HL SYMBOL DESCRIPTION CPOUT charge pump output of synthesizer PLL VCOTANK1 voltage controlled oscillator tuned circuit output 1 VCOTANK2 voltage controlled oscillator tuned circuit output 2 voltage controlled oscillator supply voltage CC(VCO) DGND digital ground digital supply voltage DATA bus data line input/output...
  • Page 19 3 - 5 MN101C39C-399 - MICROCOMPUTER BLOCK DIAGRAM TXD,SBO0,P00 Port 5 RXD,SBI0,P01 SBT0,P02 P60,A0,SEG25 Sub-clock System clock SBO1,P03 P61,A1,SEG24 MN101C oscillator oscillator P62,A2,SEG23 SBI1,P04 SBT1,P05 P63,A3,SEG22 P64,A4,SEG21 NDK,BUZZER,P06 RMOUT,P10 P65,A5,SEG20 1/2 KB 24/48 KB P66,A6,SEG19 TM2IO,P12 P67,A7,SEG18 External Interrupt TM3IO,P13 8-bit Timer 2 P70,SDO0,A8,SEG17 TM4IO,P14...
  • Page 20 3 - 6 PIN DESCRIPTION OF MN101C39C-399 Pin Specification (1/2) Direction Pins Special Functions Functions Description Control Control SBO0 : Serial Interface 0 transmission data output SBO0 in/out P0DIR0 P0PLU0 TXD : UART transmission data output SBI0 : Serial Interface 0 reception data input RXD : UART reception data input SBI0 in/out P0DIR1 P0PLU1...
  • Page 21 3 - 7 Pin Specification (2/2) Direction Pins Special Functions Functions Description Control Control A8 : Address output (bp8) SEG17 in/out P7DIR0 P7PLUD0 SEG17 : LCD segment output 17 SDO0 : Synchronous output 0 SDO0 SEG16 A9 : Address output (bp9) SEG16 : LCD segment output 16 in/out P7DIR1 P7PLUD1 SDO1...
  • Page 22: Start-Up Procedure

    3 - 8 START-UP PROCEDURE -CHART Start-up procedure for external DC supply, POWER OFF no accu inserted, hold-switch in off pos., (stand-by) ESA on, resume-mode off, CD-door closed. focus found PLAY during ramping pressed ? cycle ? µP sends new focus parameters to CD10 (switch to higher focus sensitivity)
  • Page 23: Service Test Program

    3 - 9 SERVICE TEST PROGRAM SERVICE TEST PROGRAM 1. PRELIMINARY SETUP 6. FOCUS TEST • To enter the service test program disconnect the AC/DC adaptor Purpose: Check movement of lens and operation of focus servo for and remove batteries, open the CD-door and hold the buttons CDDA and CDRW discs.
  • Page 24 3 - 10 3 - 10 SERVICE TEST PROGRAM - FLOW CHART To enter service test program open the CD-door and PRELIMINARY hold PREVIOUS & PLAY buttons depressed while SETUP turning POWER ON (i.e. connecting the AC/DC adaptor) Display shows PLAY software-version pressed?
  • Page 25: Blockdiagram

    4 - 1 4 - 1 BLOCKDIAGRAM +2.7V_AU +2.8V_CD +2.7V_AU +2.7V_AU +3.0V FM2.8V +3.0V FM2.8V +3.0V_DSP +2.8V_CD +1.5V_DSP...
  • Page 26: Control/Supply Part

    5 - 1 5 - 1 COMBI BOARD - CIRCUIT DIAGRAM CONTROL / SUPPLY PART 1300 D3 7312 D4 1301 F2 7313 D8 1302 F10 7314 G7 1401 F16 7315 E9 1402 B12 7316 A3 1403 E17 7317 B4 1404 J16 7318 B3 2305 D2 7319 B2...
  • Page 27: Audio Part

    5 - 2 5 - 2 COMBI BOARD - CIRCUIT DIAGRAM AUDIO PART U7 B8 2502 A6 2523 B4 2530 C10 2536 B5 3503 A8 3513 B3 3520 B10 3530 C8 3544 C1 3551 D4 3557 B5 5500 B10 6502 C9 7506 B6 7515 D7 F106 C2...
  • Page 28: Drive/Esp Part

    5 - 3 5 - 3 COMBI BAORD - CIRCUIT DIAGRAM DRIVE / ESP PART U4 C2 U12 C10 1100 E2 1200 B12 2100 D7 2101 D4 2102 D5 2103 D4 2104 D4 +3.0V_DSP 2105 D4 2106 E6 2107 E3 2108 F3 2109 F6 2110 F6...
  • Page 29: Fm Part

    5 - 4 5 - 4 COMBI BOARD - CIRCUIT DIAGRAM FM PART U5 B3 1600 F6 2600 B3 2601 B4 2602 B4 2603 B5 2604 B6 2605 B6 2606 B4 2607 C10 5606 2608 C4 FM2.8V 2609 D10 2610 C3 2611 D2 2612 D9 2613 E4...
  • Page 30: Componentside View

    5 - 5 5 - 5 COMBI BOARD - LAYOUT DIAGRAM COMPONENT SIDE VIEW...
  • Page 31: Copperside View

    5 -6 5 - 6 COMBI BOARD - LAYOUT DIAGRAM - COPPER SIDE VIEW...
  • Page 32: Exploded View

    6 - 1 6 - 1 EXPLODED VIEW DIAGRAM - CABINET MECHANICAL PARTSLIST - CABINET 3140 117 67491 CONTROL PANEL ASSY 3140 117 67591 KNOB SET-ASSY 3140 110 51931 LCD PANEL - DOT MATRIX 3140 114 49871 ZEBRASTRIP 3140 113 33311 MEMBRANE-KEYBOARD 3140 117 67471 CD-DOOR ASSY...
  • Page 33 7 - 1 7 - 2 ELECTRICAL PARTSLIST - COMBI BOARD ELECTRICAL PARTSLIST - COMBI BOARD - MISCELLANEOUS - - CAPACITORS - - CAPACITORS - - RESISTORS - 2523 2238 586 59812 100nF +80-20% Y5V 50V 3100 4822 051 30008 0R JUMPER 1100 4822 267 11027...
  • Page 34: Electrical Partslist

    7 - 3 ELECTRICAL PARTSLIST - COMBI BOARD - RESISTORS - - RESISTORS - 3234 4822 117 12139 22R 5% 0,062W 3425 4822 051 30103 10K 5% 0,062W 3301 4822 117 12925 47K 1% 0,063W 3426 4822 051 30103 10K 5% 0,062W 3302 4822 117 13632 100K 1% 0,62W...
  • Page 35 7 - 4 ELECTRICAL PARTSLIST - COMBI BOARD - RESISTORS - - COILS & FILTERS - 3524 4822 051 30102 1K 5% 0,062W 1200 4822 242 81865 CST16,93MXW0C3-TF01 3525 4822 117 13632 100K 1% 0,62W 1404 4822 242 10845 CSTCC4,23MG002-TC 3526 4822 051 30183 18K 5% 0,062W...
  • Page 36 7 - 5 ELECTRICAL PARTSLIST - COMBI BOARD - IC & TRANSISTORS - 7302 4822 130 60373 BC856B 7308 5322 130 60159 BC846B 7309 5322 130 60123 BC807-40 7310 5322 130 60159 BC846B 7311 4822 130 42615 BC817-40 7312 5322 130 61569 BC868 7313 4822 130 60142...

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