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Philips AX2001 Service Manual
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Philips AX2001 Service Manual

Philips AX2001 Service Manual

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  • Page 2: Technical Specification

    TECHNICAL SPECIFICATION General Shock resistance : ≥2.5g Dimensions (WxHxD) : 128x28x139.5mm +X/-X direction : ≥2.5g Weight without batteries : 212g +Y/-Y direction : ≥2.0g +Z/-Z direction Power supply modes Headphone out (measured with 16Ω load, DBB/ESP off) DC-in socket : 2.9-8.0V Primary batteries (2xLR6) : 1.6-3.6V Output power (THD=10%)

  • Page 3: Connections And Controls

    CONNECTIONS AND CONTROLS 1 OPEN 2 ..opens the CD lid 0 ∞ ....skips and searches CD tracks backwards 2 2; ....switches the player on, starts or pauses CD play ! RESUME..stores the last position of a CD track played HOLD ....locks all buttons 3 9 .....stops CD play, clears a program or switches the OFF....switches RESUME and HOLD off player off...
  • Page 4 FEATURES FEATURES OF CD-PORTABLE PRODUCT FAMILY “ULTRA – ESP” CD-RW COMPATIBILITY ELECTRONIC SKIP PROTECTION ESP DRAM SIZE [Mbit] HOLD / RESUME FUNCTION DBB STAGES ACOUSTIC FEEDBACK PROGRAM MEMORY RECHARGE NiCd / NiMH –/– –/– –/– –/– –/– –/– –/– –/– –/–...

  • Page 5: Safety And Warnings

    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 6: Service Hints

    SERVICE HINTS REPAIR POSITION COPPERSIDE REPAIR POSITION COMPONENTSIDE To get access to the copperside of the To get access to the componentside of the printed board assembly proceed as follows: printed board assembly proceed as follows: 1. Remove the bottom screws (6x) 1.

  • Page 7: Handling Chip Components

    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 4822 466 10953...

  • Page 8: Pin Description Of Integrated Circuits

    PIN DESCRIPTION OF INTEGRATED CIRCUITS TZA1024 – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– HF-preamp → CD-drive current output to laser diode VCCL +2.6V laser supply voltage → HF-preamp CFIL external filter capacitor CD-drive → HF-preamp laser monitor diode input CD-drive →...
  • Page 9 SAA7324 – DECODER, DIGITAL SERVO IC AND D/A-CONVERTER CD10 (low voltage version) Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– → CD10 HFREF comparator common mode input → CD10 HFIN comparator signal input CD10 → ISLICE current feedback from data slicer VSSA1 analog ground 1 VDDA1 +2.6V analog supply voltage 1...
  • Page 10 SM5903BF – COMPRESSION-TYPE ANTI-SHOCK MEMORY CONTROLLER NPC Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– +2.6V supply voltage NPC ↔ µP interface extension I/O line 1 NPC ↔ µP interface extension I/O line 2 NPC ↔ µP interface extension I/O line 3 NPC ↔ µP interface extension I/O line 4 NPC ↔...

  • Page 11: Start-Up Procedure - Flow Chart

    START-UP PROCEDURE – FLOW CHART Start-up procedure for ext.DC supply, POWER OFF no accu inserted, hold-switch in off pos., (stand-by) ESP 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) µP calculates...

  • Page 12: 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 13: Service Test Program - Flow Chart

    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” & “PREV” buttons depressed 4. Connect the AC/DC adaptor or insert batteries Display shows “PLAY”...

  • Page 14: Block Diagram

    BLOCKDIAGRAM eye-pattern signal during focus search > 800 mVpp MEMBRANE-KEYBOARD & LCD 2,5V TB=0.1s +2.6V -2,5V TB=0.5µs AVDD TRANSFER OF AUDIO SAMPLES VIA SERIAL INTERFACE CD10 ↔ NPC P TMP86C829 SCLK LCD DRIVER WCLK left channel right channel (connected via zebra-strip) DATA servo in or servo out or disc motor cw...
  • Page 15 1830 C1 2803 C4 2832 E3 2837 E4 2842 E5 2847 B5 2852 A9 2857 F6 2862 B9 2884 D14 2889 H12 3802 B2 3807 C5 3832 C2 3837 D3 3842 D4 3847 C4 3852 B7 3857 A10 3862 C10 3867 F5 3872 F8 3880 E11...

  • Page 16: Control / Supply-Part

    1250 H4 1250 H4 2250 A6 2250 A6 2257 B8 2257 B8 2264 E7 2264 E7 2271 F2 2271 F2 2278 D8 2278 D8 2405 G12 2405 G12 3253 B2 3253 B2 3260 C6 3260 C6 3268 D8 3268 D8 3275 F3 3275 F3 3282 H2...
  • Page 17 1300 C9 2303 C2 2307 B5 2311 C5 2315 D5 2319 C8 2323 D8 2327 A7 3301 C1 3305 C2 3309 D2 3313 B4 3317 A5 3321 B9 3325 D8 3330 D9 3334 C4 7300-B C2 7305 B6 2300 B2 2304 C3 2308 B4 2312 C6...

  • Page 18: Componentside View

    1250 G4 3304 H3 1251 C7 3305 G2 1252 C7 3306 H3 COMPONENTSIDE VIEW 1300 F1 3307 H3 1401 B1 3308 H3 1402 E1 3309 H3 1403 C7 3310 H3 1830 D2 3311 H3 2254 F5 3312 H3 2256 A6 3313 H3 2258 G5 3314 H3...

  • Page 19: Copperside View

    1400 A4 2857 C5 3401 B4 3860 C3 1840 C5 2858 C5 3402 B4 3861 D4 2250 C2 2860 C4 3403 B4 3862 D4 COPPERSIDE VIEW 2251 C1 2861 D6 3404 B4 3863 D4 2252 B1 2862 D5 3405 B4 3864 D4 2253 B1 2880 E6...

  • Page 20: Mechanical Parts List

    EXPLODED VIEW EXPLODED VIEW DESIGN “P” DESIGN “Q” 10 x SCREW B-1.4x3.5-NI MECHANICAL PARTSLIST 401 3103 308 11040 DOOR-CD-P-ASSY-1-TRANSLUCENT-BLUE-12s 424 3103 301 45420 SPRING-BATTERY-PLUS 401 3103 308 11110 DOOR-CD-P-ASSY-2-TRANSLUCENT-BROWN-12s 426 3103 301 45430 SPRING-BATTERY-CHARGE 401 3103 308 11090 DOOR-CD-P-ASSY-3-BRONZE-45s 427 3103 307 99620 BOTTOM-ASSY-1 (not for /17) 401 3103 308 11060 DOOR-CD-P-ASSY-4-FLIP-FLOP-45s 427 3103 307 99860 BOTTOM-ASSY-2 (only for /17) 401 3103 308 11070 DOOR-CD-P-ASSY-5-TRANSLUCENT-BLUE-45s...

  • Page 21: Electrical Parts List

    ELECTRICAL PARTSLIST CAPACITORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2318 © 4822 126 14472 1µF 2319 © 3198 017 41050 1µF MISCELLANEOUS 2320 4822 124 22652 2,2µF ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2321 © 4822 126 14472 1µF 3103 308 84250 LCD-ULTRA-ESP 2322 © 4822 126 14305 100nF 3103 309 05340 CD-DRIVE DA23-LPH 1250 2422 025 12272...
  • Page 22 CAPACITORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 2886 4822 124 12362 47µF 3314 © 4822 051 30332 3,3kΩ 0,06W for SM5904 only 2887 © 4822 126 14549 33nF 3315 © 4822 051 30332 3,3kΩ 0,06W 2888 © 4822 126 14305 100nF 3316 © 4822 051 30103 10kΩ...
  • Page 23 RESISTORS RESISTORS ––––––––––––––––––––––––––––––––––––––––––––––––––––– ––––––––––––––––––––––––––––––––––––––––––––––––––––– 3833 © 4822 051 30562 5,6kΩ 0,06W 3902 © 4822 051 30008 CHIP JUMPER 0603 3834 © 4822 051 30562 5,6kΩ 0,06W 3903 © 4822 051 30008 CHIP JUMPER 0603 3835 © 4822 051 30273 27kΩ 0,06W 3904 ©...

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