Philips-AZ-2055-Service-Manual(1) 电路图 维修手册.pdf

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1、CD SoundmachineAZ 2055 all versions Handling Chip Components and Safety .1 - 1 Technical Specification pauses playback or recording 5BASS, MID, HIGH EQ keys to adjust the bass, mid Tuner:programs preset radio stations Navigation controls 7, CD: searches back and forward within a track; skips to the

2、beginning of a current track/previous/ later track Tuner: tunes to radio stations (down, up). 82; starts or pauses CD playback 99 stops CD playback; erases a CD program 0MODE selects different play modes: e.g.REPEATorSHUFFLE(random) order !PUSH TO OPEN opens/closes the CD door VOLUME to adjust volum

3、e level #REMOTE SENSOR(for AZ2055 model only) infrared sensor for remote control $PRESET DOWN/ UP (, +) selects a preset tuner station (down, up) %BAND selects waveband DBB (Dynamic Bass Boost) activates a more vivid bass response REMOTE CONTROL (for AZ2055 only) 1VOLUME 3,4 adjusts volume level (up

4、, down) 2SHUFFLE plays all CD tracks in random order 32; starts/ pauses CD playback 4SEARCH 5, 6 searches backwards/ forwards within a track 5PRESET +, selects a preset radio station (up, down) 6TUNING, tunes to tuner stations (down, up) 79 stops CD playback; erases a CD program 8, skips to the begi

5、nning of a current track previous/ subsequent track 9REPEAT repeats a track /program/ entire CD CAUTION Use of controls or adjustments or performance of procedures other than herein may result in hazardous radiation exposure or other unsafe operation. CONNECTIONS AND CONTROLS 3 - 2 Batteries(not inc

6、luded) Insert 6 batteries, type R-20, UM-1 or D-cells, (preferably alkaline) with the correct polarity. Remote control (for AZ2055 only /See A) Insert 2 batteries, type AAA, R03 or UM4 (preferably alkaline). Incorrect use of batteries can cause electrolyte leakage and will corrode the compartment or

7、 cause the batteries to burst. Do not mix battery types:e.g. alkaline with carbon zinc. Only use batteries of the same type for the set. When inserting new batteries, do not try to mix old batteries with the new ones. Batteries contain chemical substances, so they should be disposed of properly. Usi

8、ng AC Power 1Check if the power supply, as shown on the type plate located on the bottom of the set, corresponds to your local power supply. If it does not, consult your dealer or service center. 2If your set is equipped with a voltage selector, adjust the selector so that it matches with the local

9、power . 3Connect the power cord to the wall outlet. 4To disconnect the power supply, unplug the set from the wall outlet. Auto-Standby mode When a CD or tape has reached the end of playback and remains in the stop position for more than 15 minutes, the set will switch off automatically to save energ

10、y. The type plate is located on the bottom of the set. BACK PANEL this pin should be tied LOW CL162616.9344 MHz system clock output DATA27serial d4(1)ata output (3-state) WCLK28word clock output (3-state) SCLK29serial bit clock output (3-state) EF30C2 error flag output (3-state) TEST231test control

11、input 2; this pin should be tied LOW KILL32kill output (programmable; open-drain) VSSD1 33(1)digital ground 2 V2/V334versatile I/O: input versatile pin 2 or output versatile pin 3 (open-drain) WCLI35word clock iutput (for data loopback to DAC) SDI36serial data input (for data loopback to DAC) SCLI37

12、serial bit clock input (for data loopback to DAC) RESET38power-on reset input (active LOW) SDA39microcontroller interface data I/O line (open-drain output) SCL40microcontroller interface clock line input Abbreviations and Pin-description of CD Ics SERVO PROCESSOR SAA7325H SYMBOLPINDESCRIPTION RAB41m

13、icrocontroller interface R/W and load control line input (4-wire bus mode) SILD42microcontroller interface R/W and load control line input (4-wire bus mode) STATUS43servo interrupt request line/decoder status register output (open-drain) TEST344test control input 3; this pin should be tied LOW RCK45

14、subcode clock input SUB46P-to-W subcode bits output (3-state) SFSY47subcode frame sync output (3-state) SBSY48subcode block sync output (3-state) CL11/44911.2896 MHz or 4.2336 MHz (for microcontroller) clock output VSSD250(1)digital ground 3 DOBM51bi-phase mark output (externally buffered; 3-state)

15、VDDD1(P)52(1)digital supply voltage 2 for periphery CFLG53correction flag output (open-drain) RA54radial actuator output FO55focus actuator output SL56sledge control output VDDD2(C)57(1)digital supply voltage 3 for core VSSD358(1)digital ground 4 MOTO159motor output 1; versatile (3-state) MOTO260mot

16、or output 2; versatile (3-state) V461versatile output pin 4 V562versatile output pin 5 V163versatile intput pin 1 LDON64laser drive on output (open-drain) Note : All supply pins must be connected to the same external power supply voltage. Abbreviations and Pin-description of CD ICsAbbreviations and

17、Pin-description of CD ICs 5 - 15 - 1 4.19MHz CD99 LAYOUT CELL ECO MTF LAYOUT CELL ECO6 LAYOUT CELL LCD DISPLAY DA11 CD DRIVE EEPROM REMOTE SENSOR TMP86CH21 Xformer AC IN Keys CD Door SW Vol. Encoder 5.6V V. Reg. Mute Ctrl Mute Power Amp. A_on +A +A Tape Power On AC Socket SW CPU CPU A_on +A_on Batte

18、ry 9V L/R L/R L/R M I2CSound Processor with Source Selector, 3 Bands EQ, DBB and ALC Power On/Off ckt +B CPU +B +M +M +B +B +B *Optional +B + - Buzzer Speaker Ripple Filter BLOCK DIAGRAM 5 - 25 - 2 15 BATTERIES TRANSFORMER 4 OHM 1008 1010 1007 1009 PIEZO ECO-MTF Layout cell 9 1404 FOR GND R GND SECO

19、NDARY 8401 8204 CELL 4 4 2 6 15 1 SWITCH 9V BATTERY ORANGE FORTRANSFORMER 65MM 110-127V BLUE ON/OFF SW 1 LAYOUT CELL LAYOUT 4 OHM 1 CD99 LCD PLAY SW TAPE MECHANISM MECHANISM AD 220-240V ECO6 PIEZO L SHIELD 8402 8802 MAINS SOCKET 8202 1006 1011 1006 BLACK 9 MAINS SOCKET /01,/11,/19 VOLTAGE SELECTOR /

20、13,/16,/17 8201 8206 2 2 220MM 8702 8701 8703 /00,/05,/10, COMBI BOARD CD KEYBOARD_PCB CD DOOR TUNER MOTOR REC/PLAY HEAD ROTARY ENCODER CPU 1 2 FE-ST-VK-N 1519 12345678 89 1711 EH-B 1 2 1256 EH-B 1 2 FE-BT-VK-N 1401 1234567 3 4 PH-B 1700 1 2 3 4 1251 EH-B 1403 DIPMATE 12 EH-B 1725 1 2 1253 PH-B 1 2

21、1402 EH-B 12 1252 PH-B 1 2 WIRING DIAGRAM 6 - 16 - 1 DEM BAND PASS CTRL CIRCUIT AGC INP PIN 3503 D5 3504 D6 3505 D7 3506 D8 3507 E4 3508 E5 3509 E5 3510 E6 3511 E7 3512 D2 3513 D3 3514 D3 3516 E3 3517 D4 3518 E8 3519 F9 3520 F10 7500 B3 T500 B6 T501 B7 T502 D11 T503 D11 T504 D11 T505 D11 T506 E11 T5

22、07 E11 T508 E11 T509 E11 T510 E11 F G H CP1 F8 1500 D9 1501 D8 1502 D7 1503 D6 1504 D5 1505 D4 1506 D3 1507 D2 1508 D1 1509 E9 1510 E8 1511 E7 1512 E6 1513 E5 1514 E4 1515 E3 1516 E2 1517 D11 1518 F9 1519 D12 1520 D12 2500 B7 2501 C6 2502 E10 2503 E10 3500 B7 3501 B6 3502 C6 8910111213 1234567891011

23、1213 A B C D E F G H A B C D E BASS+ BASS-MID+ MID- TREBLE+TREBLE- REMOTE CONTROL DBB For AZ2045 only Rotary Encoder KEY1 KEY2 SWPa SWPb ROTARY1 ROTARY2 DGND +B RC5 POWER ON/OFF FOR AZ2040 FOR AZ2045 PRESET - PRESET + TO COMBI BOARD 1234567 4 MT2 5 3500 100R TUNE UP STOP PLAY TUNE DOWN PROGRAM BAND

24、CD MODESOURCE SELECT 1518 EC1612 3 MT1 35093508 680R 35113510 330R470R 3503 470R 270R 1504 EVQ11 330R 3504 1503 EVQ11 3505 270R220R 3506 1501 EVQ11 EVQ11 1502 EVQ11 EVQ11 1500 1513 EVQ11 15141511 EVQ11EVQ11 1512 EVQ11 1510 T502 T504 T503 T505 T507 T506 T508 3507 820R 1517 EVQ11 EVQ11 1515 2K2 3512 E

25、VQ11 1508 820R 35143513 1K2 EVQ11 1507 EVQ11 EVQ11 1516 1506 T500 T501 7500 3GND 1OUT VS 2 100K 3502 2500 4u7 TSOP2236 10K 2501 1n CP1 C-PAD 3501 2502 100p 2503 100p 3519 1K 3520 1K 2 3 4 5 6 7 3516 1K2 4 5 6 7 8 9 1520 FE-ST-VK-N 1 FE-ST-VK-N 1519 1 2 3 3518 220R 680R 3517 1509 EVQ11 EVQ11 1505 T51

26、0 +B RC5 +B RC5 T509 KEY BOARD - CIRCUIT DIAGRAM 6 - 26 - 2 repeat all program stereo DBB shuffle FM AM LW MW P5P7 TIMER P1LCD DRIVER CPU SYSTEM CONTR TIME GEN RAMROM 8-BIT T/C18-BIT T/C P2P6P310-BIT UART/SIO INT CONTR WATCHDOG LCD VOLT BOOSTER A/D CONV 7403 I16 7404 B6 7405 B7 9401 C13 T401 A15 T40

27、2 B15 T403 B15 T404 B15 T405 B15 T406 C15 T407 C15 T408 C15 T409 D16 T410 D16 T411 D16 T412 E16 T413 F15 T414 F15 T415 F15 T416 F17 T417 G15 T418 I14 T419 J14 T420 I8 T421 H3 T422 G4 T423 D7 T424 B15 T425 H16 T426 K11 3543 F9 3544 F9 3545 F9 4401 F14 4402 F14 4403 F14 4404 G14 5400 H1 5401 H2 5402 I

28、9 5403 B12 5404 A15 5405 B15 5406 B15 5407 B15 5408 B15 5409 B15 5410 C15 5411 C15 5412 C15 5413 I2 6400 H3 6402 F2 6403 A7 6404 C6 6405 C7 6406 D7 6407 G3 6408 H16 7400 B2 7401 F3 7402 G7 3472 J4 3478 J4 3481 K12 3482 K11 3483 I15 3484 J15 3485 B11 3486 A11 3488 I6 3489 C9 3490 C12 3491 K14 3492 K1

29、5 3493 J6 3494 K5 3495 B14 3496 B14 3522 D17 3523 D16 3524 E17 3525 D16 3526 F7 3527 F7 3528 F7 3529 F8 3530 F8 3532 F8 3538 F9 3539 F9 3540 F9 3541 F9 3542 F9 3427 C13 3428 I8 3431 C12 3432 J9 3433 C12 3434 A13 3435 A14 3437 A12 3438 E12 3439 B12 3440 E11 3442 F12 3443 F12 3445 A5 3446 H17 3447 A6

30、3448 A8 3449 A8 3450 B6 3451 B7 3452 C6 3453 C7 3454 D6 3455 D6 3458 J6 3460 J6 3463 I5 3466 G16 3468 F11 3469 G2 3470 F3 3471 J4 2444 I8 2445 K6 2446 E17 3298 G16 3299 F16 3300 F16 3301 F16 3400 D14 3401 D14 3402 D15 3403 D15 3404 D12 3405 D15 3406 D12 3407 D16 3408 E12 3409 E15 3410 E12 3411 E16 3

31、412 H2 3413 E5 3414 E6 3415 F4 3416 F6 3417 H16 3418 F5 3419 F4 3420 I14 3421 I15 3422 J13 3423 J12 3426 C12 L 1400 H6 1401 A15 1402 G17 1403 H19 1404 I19 1406 A16 2400 E14 2401 E14 2402 E15 2403 E15 2404 I1 2405 I2 2406 I3 2408 I17 2409 G4 2415 J8 2418 F13 2421 B11 2422 B12 2424 F12 2425 F12 2426 F

32、13 2429 A5 2430 A6 2431 A7 2432 D6 2433 D5 2436 K5 2437 K6 2440 H15 2443 L12 111213141516171819 A B C D E F G H I J K L A B C D E F G H I J K CD 99 TMP86CH21F layout cell 12345678910111213141516171819 12345678910 M24C01W V V V V V GND KEY1 KEY2 ROTARY1 ROTARY2 POWER ON/OFF TO Door SW PCB CD door SW

33、PCB To ECO6 Layout cell To Keyboard For AZ2040 For AZ2045 KEY1 KEY2 SWPa SWPb ROTARY1 ROTARY2 DGND +B RC5 FOR AZ2040 ONLY SEG4 46 SEG5 45 SEG6 SEG7 44 4TEST V158 57V2 V356 VAREF 18 5 VDD 1 VSS 2XIN 3XOUT P65 16 P66 17 P67 36 P70 37 P71 38 P72 39 P73 40 P74 P75 4142 P76 43 P77 8RESET 51 SEG0 50 SEG1

34、49 SEG2 48 SEG3 47 6263 P32 64 P33 P50 2829 P51 30 P52 31 P53 32 P54 33 P55 34 P56 35 P57 10 P60 11 P61 12 P62 13 P63 14 P64 15 COM0 54 COM1 53 COM2 COM3 5220 P10 P11 2122 P12 23 P13 24 P14 25 P15 26 P16 27 P17 9 P20 6 P21 7 P22 61 P30 P31 7402 19 AVDD 60C0 C159 55 S14 19 S15 20 S16 6 S2 7 S3 8 S4 9

35、 S5 10 S6 11 S7 12 S8 13 S9 2405 100u 91482TR 1 C1 2 C2 3 C3 4 C4 5 S1 14 S10 15 S11 16 S12 17 S13 18 5401 100u 2K2 3422 7400 +uP +Vcc +B +uP +uP +uP 3412 100R +uP 3421 22K 3417 100R 1400 CSTS 4M194 3420 22K 1u 2409 3419 4K7 3415 100K 3442 470R 3443 470R 4 VSS WC_ 7 3440 470R M24C01 7403 1 E0 2 E1 3

36、 E2 6 SCL 5 SDA 8 VCC 2404 100n +uP 6400 1N4148 100n 2406 3K9 3K9 3416 3413 3K9 3414 T418 3418 3K3 T420 T422 T417 T416 T415 T413 T414 T419 100p +Vcc BC847B 7401 2425 100p 2426 470R 3438 100p 2424 100n 2408 3432 100R 3423 2K2 100u 2415 5402 2403 100p 2401 100p100p 2402 330R 3411 2400 100p 330R 3409 3

37、30R 3405 330R 3407 3402 22K 3403 22K 3401 22K 3404 1K 3400 22K 3408 1K 3406 1K 3410 1K 10K 3449 1N4148 6405 1N4148 6403 1N4148 6404 3452 1K1K 3453 3451 3448 47K 3450 47K47K 100n 2430 100n 2431 BC847B 7405 47K 3447 BC847B 7404 1K 3445 3434 2K72K7 3435 2422 10n 2421 10n 3439 5K6 5K6 3437 3427 22K 3431

38、 1K 22K 3426 T405 3433 1K T408 T404 T407 T402 T403 T412 T401 T411 T409 T410 T4236406 1N4148 22K 3455 1K 345410n 2432 100u 2433 3472 1K 47u 2429 3478 1K 3471 1K 6407 BAV99 470R 3469 15K 3470 BZX79-C3V3 6402 DIPMATE 1403 1 2 SPPB51 1404 4K7 3468 100p 2440 EH-B 1402 1 2 22K 3466 1K 3458 2u2 5403 100p 2

39、437 100p 2436 3463 1K 3460 22K T406 T421 3492 1K 3491 1K 3488 22K 3486 1K3485 1K 2418 2u2 9401 5400 2444 100n 34832K2 3484 2K2 3490 4K7 6408 BZX79-C5V6 3489 4K7 2443 100p 3481 15K 330R 3482 FE-ST-VK-N 1406 1 2 3 4 5 6 7 1401 FE-ST-VK-N 1 2 3 4 5 6 7 8 9 3522 680R 3494 22K 680R 3525 3446 1K 4404 4402

40、 4403 1K 3496 4401 4n7 2446 1K 3495 1K 3428 T426 T424 T425 2445 100p 5413 1K 3493 35454K7 5412 4K7 3544 4K7 3542 4K7 3543 3540 4K7 35414K7 3538 4K7 35394K7 3530 4K7 3532 4K7 35284K7 35264K7 3527 4K7 5411 35294K7 5409 5410 5407 5408 5406 5404 5405 3299 470R 470R 3298 470R 470R 3300 3524 680R 3301 MUT

41、E +uP ADKEY1 ADKEY2 PLAY_INFO STANDBY SCL SDA +uP 680R 3523 +uP +VAref SWPa +A ON_OFF SWPb +uP REC_INFO +uP SWPa SWPb +B +uP +B CD_ON STANDBY pin(0:64) +VAref +B ADKEY2 ADKEY1 COMBI BOARD - CIRCUIT DIAGRAM (FRONT PART) 7 - 17 - 1 FRONTEND AM RIPPLE AGC STABILIZER AFC VDD VSA AM-IF MONO/ FM FRONTEND

42、CONTROL XTAL OSC AM DET CTRL AGC AM OSC AGC VCC2 FM OSC AM MIXER AM IF FM IF1 FM IF2 FM MIXER AM DET FM DET VSB DECODER CHARGE PUMP AGC STEREO AGC STEREO 20 A B C D E F G H I J K 8910111213141516171819 19 3.5V3.5V 1V 1.3V 0.7V 1.2V 0.6V 0V 2V 0.8V 0.15V 0.8V L M A B C D E F G H I J K L M 7 0V 0.5V 0

43、.1V 5.4V 0.1V 4.8V 4.8V 0.5V 0.1V stereo 0.3V 0V 0V 20 123456789101112131415161718 1V-8V 0V 0V 0.7V 4.0V 0V 4.0V 0V 0.1V 1.3V 0.7V 0.7V 1V 0.6V 0.6V 1V 1V 1.1V 1.1V 2V 11.4V 0V 0.7V 3.9V-LW /06 JAPAN J . for JAPAN version only 123456 5.2V LW MW FM LW MW LEGEND * . only assembled in FM/AM-version MW=

44、HIGH LW=HIGH LW=HIGH MW=HIGH 5104 0V mono 4.8V 1.4V 0.6V0.9V 1.4V 1.4V 0.7V 1V 1.4V 1.3V 0.8V 0.6V 2V 0V 0V 0V 0V 4.5V-8V 3.9V component mounted 450kHz 450kHz 450kHz Hz from 2169 D FM-OSCILLATOR FM-RF VEVM .V FM mode stereo 1.4V 4.3V 3.4V 0V 0V 0V 1.4V stereo 0.2V mono 4.8V 4.7V 4.7V 3.5V 4.1V 3.4V

45、11.4V 5.4V typ. (5V-12V) 7V 7.5V AM-RF C VERSION /00 /02 FM/MW/LW VERSION PROGRAMMING COMPONETS 6120315631573170 /00 /02 FM/MW /01 FM/MW /14 FM-OIRT/MW /17 FM/AM 5105 blue red black p .for provision only USA . for USA version only LW . for LW version only LW frame . for LW version with frame aerial

46、only E_EU . for East European version only .V LW mode 1.4V0V 0V 0.7V 0V 0.7V 0V 4.1V 3.3V VERSION DETECTION Printed Printed Printed STEREO CLOCK DATA ENABLE/MPX VCC RIGHT GND LEFT TUNER BOARD ECO6 .V MW mode voltages measured while set is tuned to a strong transmitter stereomonostereo 5V 0V 152 kHz,

47、 50mVpp Q-multiplier LW Ferrite Antenna only LW only LW only Frame Aerial only VOLTAGE MULTIPLIER OSCILLATOR LW only PROGR. OUTPUT PORTS to 1122 pin 2 RDS only DISCRIMINATOR MPX BUFFER AMPLIFIER MW AM FRAME AERIAL AM-OSCILLATOR VCO 1 5 3 2 A B 6105 1 2 3 45 6 7 8 HN1V02H 4 to/from 7111 2138 2u2 /POR

48、TABLE AUDIO AM-IF1 AM-IF2 AM-AFC FM-IF1 FM-IF2 2133 1u 470n 2132 2K2 3145 470n 21312130 470n 3141 100K 3142 220R 3105 56K 2129 100u 2n2 1u 2107 2169 2146 220p 100n 2141 5119 1 2 3 4 6 78 T141 2167 12p 5121 DT-38175K 15n 22n_USA 2135 15n 2134 22n_USA 2137 220n 3152 470R 220n 2136 3158 470R 3153 470R

49、3159 470R 3161 3160 470R 3167 47R 22K 47R 2144 470n 3155 5 3 6 T116 18p 6105-2 HN1V02H 2124 * 22n 2120 22p_LW 34 6 78 2119 10p p 5123 1 2 2164 470n T142 15p 82p 2140 G2 1I3 O 2139 G2 I1O3 5109 5110 3157 100K 3170 100K 3156 100K 7111 BC847C BAS216 6120 100n 2163 LW p 2161 78 100n 51027KL 1 2 34 5 6 3143 22K T111 3144 1K T103 T102 T105 T106 2147 220p 2145 220p 2n2 2148 150K 3169 T125 T126 T124 20p_LW frame 2106 11p BAS216 p 2127 220n 6106 100n 2150 BC857C 7103 47R 2159 33p 2125 560p 3132 22K 3102 100K