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Portable compact disc player
ç
Volta ao Menu
TABLE OF CONTENTS
Technical specification ......................................................1-1
Connections and controls ..................................................1-2
Features ............................................................................1-3
Accessories .......................................................................1-3
Safety & Warnings.............................................................1-4
Repair positions ............................................................2-1
Dismantling CD-door .....................................................2-1
CD-drive cleaning & lubrication .....................................2-2
CD-drive lens cleaning ..................................................2-2
Handling chip components............................................2-3
Service tools..................................................................2-3
Pin description of ICs ................................................3-1...3-4
Start-up procedure.............................................................3-5
Impresso no Brasil
08/2000
Sujeito a Modificações
Service Test Program................................................3-6...3-7
Blockdiagram .....................................................................3-8
Circuit diagrams
Part1 (signal processing) ..............................................4-1
Part2 (control) ...............................................................4-2
Part3 (supply) ................................................................4-3
Printed circuit board
Componentside view .....................................................4-4
Copperside view............................................................4-5
Exploded view ...................................................................5-1
Mechanical partslist ...........................................................5-1
Electrical partslist ..............................................................5-1
Todos os Direitos Reservados
AZ9003/
PRODUCT FAMILY DORIS2 - PB2
CLASS 1
LASER PRODUCT
4806 725 27082
19
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Summary of Contents for Philips AZ9003/19
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Page 1: Table Of Contents
AZ9003/ Portable compact disc player ç Volta ao Menu PRODUCT FAMILY DORIS2 – PB2 TABLE OF CONTENTS Technical specification ............1-1 Service Test Program..........3-6...3-7 Connections and controls ..........1-2 Features ................1-3 Blockdiagram ..............3-8 Accessories ...............1-3 Circuit diagrams Safety & Warnings.............1-4 Part1 (signal processing) ..........4-1 Part2 (control) ...............4-2 Service hints Part3 (supply) ..............4-3... -
Page 2: Technical Specification
TECHNICAL SPECIFICATION General Shock resistance : ≥2.5g Dimensions (WxHxD) : 128x28x139mm +X/-X direction : ≥2.5g Weight without batteries : 220g +Y/-Y direction : ≥2.0g +Z/-Z direction Power supply modes Headphone out (measured with 16Ω load, DBB/ESP off) DC-in socket : 2.5-6.0V Primary batteries (2xLR6) : 1.6-3.6V Output power (THD=10%) -
Page 3: Connections And Controls
CONNECTIONS AND CONTROLS 4 , 5 • • H L IN U T / VOL . 1 9 .....stops CD play, clears a program or switches the 9 RESUME..stores the last position of a CD track played player off HOLD ....locks all buttons OFF....switches RESUME and HOLD off 2 DBB....DIGITAL DYNAMIC BASS BOOST switches the bass enhancement on and off... -
Page 4: Features
FEATURES FEATURES OF CD-PORTABLE PRODUCT FAMILY “DORIS2 – PB2” 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 & 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 VAM2103/08 – DRIVE CLEANING & LUBRICATION VAM2103/08 – LENS CLEANING Lubrication of the CD-drive is only necessary in case Before touching the lens it is advised to clean the of symptom “skipping tracks”. surface of the lens by blowing clean air over it in The reason can be dirt which sticks to the grease or order to avoid that little particles make scratches on the grease is getting aged.
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Page 8: 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 9 PIN DESCRIPTION OF INTEGRATED CIRCUITS TDA1300T – HF-PREAMPLIFIER AND LASER SUPPLY CIRCUIT (part of CD-drive VAM2103/08) Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– HF-preamp → CD10 output of current amplifier 4 HF-preamp → CD10 output of current amplifier 6 HF-preamp → CD10 output of current amplifier 3 HF-preamp →...
- Page 10 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 +2.7 analog supply voltage 1...
- Page 11 SM5903BF – COMPRESSION-TYPE ANTI-SHOCK MEMORY CONTROLLER NPC Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– +2.7 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 12 TA2120FN – Stereo Headphone Amplifier Name Direction Description ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– → headphone-amp DBB NF NF of DBB amplifier headphone-amp → ADD OUT output of ADD amplifier → headphone-amp RF IN terminal for ripple filter circuit → headphone-amp center amplifier on/off switch (open = on) +Α/2.7 positive supply voltage headphone-amp →...
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Page 13: Start-Up Procedure
START-UP PROCEDURE – FLOW CHART Start-up procedure for ext.DC supply, POWER OFF no accu inserted, hold-switch in off pos., (stand-by) ESA on, resume-mode off, CD-door closed. focus search error handler focus PLAY found within pressed ? ~1s ? toggle play mode “normal”... -
Page 14: Service Test Program
SERVICE TEST PROGRAM 1. PRELIMINARY SETUP 6. FOCUS TEST • To enter the service test program open the CD-door and hold the Purpose: Check movement of lens and operation of focus servo in buttons “MODE” & “NEXT” depressed while turning POWER ON “normal”... - Page 15 SERVICE TEST PROGRAM – FLOW CHART To enter service test program open the CD-door and PRELIMINARY hold “MODE” & “NEXT” buttons depressed while SETUP turning POWER ON (i.e. connecting the AC/DC adaptor) Display shows “PLAY” software-version pressed? (e.g. “S- ”) MAIN MENU SERVO TEST Remark: Playback test can only...
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Page 16: Blockdiagram
BLOCKDIAGRAM P TMP86CH29 SUPPLY/CHARGE CIRCUIT LCD DRIVER +2.7 DC_IN (TO µP) YMLD RESET YMCLK CLOCK GEN. 16bit TIMER YMDATA DC-in socket & TIMING COUNTER ZSENSE SILD 4MHz MEMBRANE +2.7 SFSY (PWM_IN) DC/DC KEYBOARD UP/DOWN I/O PORTS RCI, RCO CONVERTER +1.25 DISC DM_PWM RC-CIRCUIT... -
Page 17: Part1 (Signal Processing)
1350 H17 2305 I7 2313 I9 2356 H14 2363 I16 2370 J11 2806 E5 2813 B5 2820 A10 2827 F7 2872 B16 2954 H2 2961 I2 2969 E3 3303 I7 3312 J9 3320 G11 3352 I11 3360 J14 3367 J7 3807 C4 3814 A7 3821 A10... -
Page 18: Part2 (Control)
1401 A5 1418 A6 PART2 – CONTROL 1430 A5 2400 C2 2401 D2 FROM/TO DISPLAY (connected via membrane keyboard) 1401 2402 D2 +2.7V 1418 ESD-11H130 2403 F3 2404 E6 2405 F5 3400 A6 3401 A6 3402 C6 3416 KEY2 3403 C6 TO 7400, RESUME KEY1... -
Page 19: Part3 (Supply)
1250 B1 2255 B8 2262 B10 2271 E9 3230 D7 3237 D6 3244 E2 3251 B6 3258 B9 3265 C10 3278 E2 3285 B4 3292 C4 3299 C5 6254 B9 7250-A A9 7252 C9 7265 B3 7957 E7 1251 A3 2256 C9 2263 D9 2272 C1... -
Page 20: Componentside View
1250 E8 2969 H4 3957 H3 COMPONENTSIDE VIEW 1251 C7 2970 I3 5250 C6 1350 G1 2971 I3 6261 E7 1418 F1 2972 H4 6350 G1 1430 C1 3244 G5 6351 H4 1800 E1 3257 B7 6352 I3 1950 B6 3282 G6 7252 B7 1951 G3... -
Page 21: Copperside View
1401 B4 2815 E5 3263 D3 3416 C4 3895 C6 2243 A2 2816 E6 3264 D2 3417 C4 3958 G5 COPPERSIDE VIEW 2251 D1 2817 E4 3265 E2 3802 E6 3959 G5 2252 D2 2818 D4 3266 E2 3803 E6 3961 H5 2254 D1 2819 E3... -
Page 22: Exploded View
TRANS BIP SINAL BC337-25 4806 272 97007 CHAVE 7002 4806 130 47333 TRANS BIP SINAL BC337-25 4806 454 97002 LOGOTIPO PHILIPS 7003 4806 130 47333 TRANS BIP SINAL BC337-25 211 4806 130 97045 DISPLAY LCD AZ7901 8201 4806 321 97004 CABO AY3677 - 201 SCREW 1.4x5...
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