Philips AZ7900 Скачать руководство пользователя страница 8 | Manualshive

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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

small 600x650x1.25mm

4822 466 10958

Anti-static wristband

4822 395 10223

Connection box (3 press stud connections, 1M

Ω

)

4822 320 11307

Extendible cable (2m, 2M

Ω

, to connect wristband to connection box)

4822 320 11305

Connecting cable (3m, 2M

Ω

, to connect table mat to connection box)

4822 320 11306

Earth cable (1M

Ω

, to connect any product to mat or to connection box)

4822 320 11308

KIT ESD3 (combining all 6 prior products - small table mat)

4822 310 10671

Wristband tester

4822 344 13999

2-3

CS 46 645

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Содержание AZ7900

Страница 1: ...nd audio part 4 2 Printed circuit board Componentside view 4 3 Copperside view 4 4 Exploded view 5 1 Mechanical partslist 5 1 Electrical partslist 6 1 6 2 CS 46 638 3103 785 25000 Published by PW 9951 Service Audio Printed in The Netherlands Subject to modification Portable compact disc player CLASS 1 LASER PRODUCT AZ7900 AZ7901 all versions TABLE OF CONTENTS Copyright 1999 Philips Consumer Electr...

Страница 2: ...ersions 2x3mW 1 3dB Frequency response 1mW 100Hz 20kHz within 6dB S N ratio unwght 80dB 81dB typ S N ratio A wght 82dB 84dB typ THD N 1kHz 1mW 1 0 2 typ Channel crosstalk 1kHz no load 24dB 44dB typ Channel unbalance 40dB 5dB Volume attenuation 1kHz 60dB Laser Output power 5mW 3mW typ Wavelength 780nm Measurement setup Use Audio Signal disc SBC429 4822 397 30184 Low pass filter DUT S N and distorti...

Страница 3: ...e Cigarette lighter is not Switch on ignition or insert powered when ignition is off batteries nF d1SC CD RW CD R is not Use FINALIZE on the indication recorded properly CD Recorder to complete the recording no d1SC The CD is badly scratched Replace or clean the CD indication or dirty CD is not or incorrectly inserted Insert a CD label upwards The laser lens is steamed up Wait until the lens has c...

Страница 4: ...0 1 9 1 2 2 2 8 4 X 3 1 0 7 1 3 Y A r o t p a d A C D C A r e i l p p u s l a c o l X 7 1 0 7 1 3 Y A r o t p a d A C D C A 6 1 6 0 1 9 1 2 2 2 8 4 X 0 0 1 0 5 3 Y A e t t e s s a C r o t p a d A r a C 9 5 0 0 1 7 9 3 2 2 8 4 O O O O O O O O O O O O 0 0 5 4 5 3 Y A r e t r e v n o C C D C D r a C 3 3 0 0 1 9 1 2 2 2 8 4 O O O O O O O O O O O O 0 0 7 7 6 3 Y A g u l p L e n o h p r a E 4 0 0 1 1 2 ...

Страница 5: ...parts which are identical with those specified be used Safety components are marked by the symbol i Le norme di sicurezza estigono che l apparecchio venga rimesso nelle condizioni originali e che siano utilizzati i pezzi di ricambiago identici a quelli specificati Componenty di sicurezza sono marcati con ñ Veiligheidsbepalingen vereisen dat het apparaat in zijn oorspronkeliijke toestand wordt teru...

Страница 6: ...r 3 Lift the top cabinet and put it backwards on the table 4 Supply the unit via the external DC socket 5 Take care that the door switch is closed during measurements REPAIR POSITION COMPONENTSIDE DISMANTLING THE CD DOOR To dismantle the CD door proceed as follows 1 Disconnect the membrane keyboard flex foil connector on copperside of printed board 2 Smoothly bend the bridge of the cabinet downwar...

Страница 7: ...o the inner and outer position to spread the grease 3 Put one dot of grease between the worm gear and the clamping spring VAM2103 LENS CLEANING Because the material of the lens is synthetic and coated with a special anti reflectivity layer cleaning must be done with a non aggressive cleaning fluid It is advised to use KODAK LENS CLEANER CAT 176 71 36 available in normal photo shops The actuator is...

Страница 8: ...650x1 25mm 4822 466 10953 small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connection box 3 press stud connections 1MΩ 4822 320 11307 Extendible cable 2m 2MΩ to connect wristband to connection box 4822 320 11305 Connecting cable 3m 2MΩ to connect table mat to connection box 4822 320 11306 Earth cable 1MΩ to connect any product to mat or to connection box 4822 320 11308 KIT ...

Страница 9: ...iver filter capacitor connection in ABS amp circuit section 6 ERR1 CD10 servo driver error level input radial error signal 7 NI1 servo driver filter capacitor connection in ABS amp circuit section 8 OP1 servo driver filter capacitor connection in ABS amp circuit section 9 LIM servo driver limit control level signal input 10 VR servo driver control reference voltage input VR VLG 2 11 CLK servo driv...

Страница 10: ...ol input 2 this pin should be tied low 32 KILL CD10 kill output programmable open drain 33 VSSD1 GND digital ground 2 34 V2 V3 CD10 versatile I O input versatile pin 2 or output versatile pin 3 open drain 35 WCLI CD10 word clock input for data loopback to DAC 36 SDI CD10 serial data input for data loopback to DAC 37 SCLI CD10 serial bit clock input for data loopback to DAC 38 RESETn µP CD10 power ...

Страница 11: ... ALC detector circuit 12 ALC DET headphone amp smoothing for ALC detection GND ALC off open ALC ON 13 ATT headphone amp power amplifier gain switch open VCC ATT off GND ATT on 14 IN A headphone amp input of power amplifier 15 IN B headphone amp input of power amplifier 16 GND GND ground of input stage in power amplifier 17 BEEP IN headphone amp input terminal for beep sound 18 MUTE TC headphone am...

Страница 12: ...t DC supply no accu inserted hold switch in off pos resume mode off CD door closed N N N Y TOC found within 5s N Y Y Y POWER OFF stand by focus found within 2s µP accelerates disc to nom speed DC DC converter is switched on radial jump check error release MUTE µP initializes radial servo loop N Y Y Y subcode check error Y N N N PLAY MODE subcode check error handler radial check error handler Y N f...

Страница 13: ...E_IN FOCUS_IN DM Sldm Focus TRACK_IN 3A 3 MPC17A50VM SERVO DRIVER SAWTOOTH OSCILLATOR LOW VOLTAGE DETECTOR VOLTAGE DOUBLER SQU WAVE GENERATOR DM_IN VLG VR CLK DM FROM CD10 CLsaw VG VLG VR CLsaw 3 VG A Track L P F L P F L P F FLEX PCB VOLUME A RIGHT B LEFT ADD OUT DC IN SOCKET BATTERY FUSE 630mA SUPPLY CIRCUIT LOBAT FROM SUPPLY BEEP HP_ON DOORSW PORES TO CD10 DC DC UP DOWN CONVERTER PORES FROM µP R...

Страница 14: ...70p 1418 ESD 11H130 2258 47u 10u 5251 2K2 3961 F408 74LV14 7250 D 9 7 14 8 BC807 40 3267 47K 1u 2257 7257 74LV14 7250 C 5 7 14 6 2961 100K 3256 3 470p 3431 100R 470R 3265 10K 3406 470p BAS216 6951 T630mA 1251 SP391 2976 2971 1u F403 F404 F251 A 3969 18K 1250 DC JACK 47K 3408 F954 47p 2401 100n 2265 100n 2251 3254 100K 8K2 3967 3259 10K 3258 10K 7252 BC847BW F955 3 F400 ESD 2957 470p 1950 1 2 1n5 2...

Страница 15: ...A 6 7 8 9 2u2 2358 1 10 11 12 13 14 15 16 17 18 2 3 4 5 52043 1800 22K 3818 2355 1u F814 H 33R 3834 F815 1K8 3375 A 3 15R 4R7 for 17 3314 15R 4R7 for 17 3315 2352 330n H 2R2 3356 3n3 2808 F810 10K 3825 H H 1K 3797 4R7 3815 5 6 7 8 4 2826 22u 1u 2825 TDA1308T 7370 B 4R7 3807 3374 1K8 H H 33K 3372 3810 2K2 F813 3 4 2 5 1 3373 33K 47R 3806 3300 A 3821 22K F800 100n 2811 2807 3n3 H 3811 2K2 A 2K2 3812...

Страница 16: ...1951 F4 2350 G3 2351 G2 2353 G3 2356 H4 2358 G3 2374 F3 2375 F3 2812 E2 2826 E3 2843 F2 2960 G2 3300 H2 5250 C6 6256 E7 This assembly drawing shows a summary of all possible versions For components used in specific versions see circuit diagram or partslist COMPONENTSIDE VIEW ...

Страница 17: ...14 G6 3315 G7 3351 H5 3354 G3 3355 G6 3356 G5 3357 F3 3358 G4 3359 G4 3360 H5 3370 C5 3371 B6 3372 C6 3373 B6 3374 B5 3375 B6 3376 C6 3377 B6 3378 F5 3379 F5 3400 D3 3401 D3 3403 B3 3404 B3 3405 D4 3406 D4 3407 B5 3408 B5 3409 B5 3410 F3 3411 F3 3412 C7 3413 C7 3414 B3 3416 A5 3431 C2 3432 C2 3792 D7 3793 D7 3794 D7 3796 D7 3797 D7 3798 D6 3799 D6 3801 C6 3804 D4 3806 C6 3807 D4 3809 E5 3810 E5 38...

Страница 18: ...03 301 45180 SPRING BATTERY SHORT 2 413 9305 022 13208 CD DRIVE VAM2103 08 414 4822 402 10897 DAMPER CD DRIVE 416 3103 301 45200 SPRING BATTERY MINUS 2 417 3103 301 45190 SPRING BATTERY PLUS 2 418 4822 462 41819 RUBBER FOOT 4822 502 13872 SCREW 1 4x5 PLASTITE 3103 300 41570 SCREW 1 4x2 5 PLASTITE CR 3103 300 41580 SCREW 1 7x9 PLASTITE CR 5 1 5 1 CS 46 655 401 409 408 507 508 501 502 504 503 506 SC...

Страница 19: ...50V 2817 4822 126 13883 220pF 5 50V 2818 4822 126 13883 220pF 5 50V CAPACITORS 2819 4822 126 13883 220pF 5 50V 2820 4822 126 13883 220pF 5 50V 2821 4822 126 13883 220pF 5 50V 2822 5322 126 11583 10nF 10 63V 2823 4822 122 33777 47pF 5 63V 2824 4822 126 14494 22nF 10 25V 2825 3198 017 41050 1µF 20 10V 2826 4822 124 40998 22µF 20 6 3V 2827 4822 126 13344 1 5nF 5 63V 2828 4822 126 13344 1 5nF 5 63V 28...

Страница 20: ...1 30222 2 2kΩ 5 0 06W 3815 4822 117 13608 4 7Ω 5 0 06W 3816 4822 051 30223 22kΩ 5 0 06W 3817 4822 051 30102 1kΩ 5 0 06W 3818 4822 051 30223 22kΩ 5 0 06W 3819 4822 051 30102 1kΩ 5 0 06W 3820 4822 051 30223 22kΩ 5 0 06W 3821 4822 051 30223 22kΩ 5 0 06W 3822 4822 051 30109 10Ω 5 0 06W 3823 4822 051 30103 10kΩ 5 0 06W 3824 4822 051 30103 10kΩ 5 0 06W RESISTORS 3825 4822 051 30103 10kΩ 5 0 06W 3826 482...

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