Philips-EXP-7361-Service-Manual电路原理图.pdf

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1、EXP7361all versions 3103 785 25240Published by PW 0417 Service Audio Printed in The Netherlands Subject to modificationVersion 1.0Portable CD-player with MP3/WMA playbackTABLE OF CONTENTSCopyright 2004 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this p

2、ublication may be reproduced, stored in a retrievalsystem or transmitted, in any form or by any means, electronic, mechanical, photocopying,or otherwise without the prior permission of Philips.Technical specification .1-1Connections and controls .1-2Features .1-3Accessories .1-3Safety (FM) tunes to

3、stations2; switches the player on, starts or pauses CDplay; stops CD play, clears a program orswitches the player off. Press and hold 2; for2 seconds to enter stop mode.ALBUM +/ MP3/WMA-CD only: selects the previous or next album skips backward or forward5 VOL +/ adjusts the volume6 DBB switches the

4、 bass enhancement on/off7 PROG programs tracksprograms FM station presets8 MODE selects playback options;to select and enter the display function, pressand hold MODE for 3 seconds.9 Display0 FM switches radio on/off1 4.5V DC jack for AC/DC adaptor power supply2 EXT. BATT jack for external battery su

5、pply3 LOCKUNLOCK locks/unlocks all buttons on the set only4 p / LINE OUT connect the remote control here and yourheadphones to the remote control5 2; switches the player on, starts or pausesCD play; stops CD play, clears a program orswitches the player off. Press and hold 2; for2 seconds to enter st

6、op mode.6 switches radio on/off.7 / skips and searches backward / forwardtracks; (FM) tunes to stations8 / opens the CD lid9 VOL +/ adjusts the volume0 Rechargeable battery compartment inside the CD playerThe model 160 and 192 kbit/s) 7104 099 28271SubChassis 8A test disc (8cm disc) 7104 099 32841ES

7、D PROTECTION EQUIPMENTESD3 KIT 4822 310 10671 Anti-static table mat (600x650x1.25mm) Anti-static wristband Connection box (3 press stud connections, 1M) Extendible cable (2m, 2M, to connect wristband to connection box) Connecting cable (3m, 2M, to connect table mat to connection box) Earch cable (1M

8、, to connect any product to table mat or to connection box)2-3PIN DESCRIPTION OF INTEGRATED CIRCUITSTEA5767HN LOW POWER FM-TUNERPin Name Direction Description1 NC1 no connection2 CPOUT FM-tuner fi charge pump output of synthesizer PLL3 VCOTANK1 FM-tuner fi voltage controlled oscillator tuned circuit

9、 output 14 VCOTANK2 FM-tuner fi voltage controlled oscillator tuned circuit output 25 VCCVCO fi FM-tuner voltage controlled oscillator supply voltage6 DGND GND digital ground7 VDIG fi FM-tuner digital supply voltage8 DATA P FM-tuner bus data line input/output9 CLOCK P fi FM-tuner bus clock line inpu

10、t10 NC2 no connection11 WRITE/READ P fi FM-tuner write/read control input for the 3-wire bus12 BUSMODE fi FM-tuner bus mode select input13 BUSENABLE fi FM-tuner bus enable input14 SWPORT1 fi FM-tuner software programmable port 115 SWPORT2 fi FM-tuner software programmable port 216 XTAL1 fi FM-tuner

11、crystal oscillator input 117 XTAL2 fi FM-tuner crystal oscillator input 218 PHASEDET fi FM-tuner phase detector loop filter19 PILDET fi FM-tuner pilot detector low-pass filter20 NC3 no connection21 NC4 no connection22 VAFL FM-tuner fi headphone amp. left audio frequency output voltage23 VAFR FM-tune

12、r fi headphone amp. right audio frequency output voltage24 TMUTE fi FM-tuner time constant for soft mute25 MPXOUT FM-tuner fi FM demodulator MPX signal output26 VREF fi FM-tuner reference voltage27 TIFCENTER fi FM-tuner time constant for IF centre adjust28 LIMDEC1 fi FM-tuner decoupling IF limiter 1

13、29 LIMDEC2 fi FM-tuner decoupling IF limiter 230 NC5 no connection31 NC6 no connection32 IGAIN fi FM-tuner gain control current for IF filter33 AGND GND analog ground34 VCC fi FM-tuner analog supply voltage35 RFIN1 fi FM-tuner RF input 136 RFGND GND RF ground37 RFIN2 fi FM-tuner RF input 238 CAGC fi

14、 FM-tuner time constant RF AGC39 LOOPSW FM-tuner fi switch output of synthesizer PLL loop filter40 NC7 no connectionAN8399SA HF-PREAMPLIFIERPin Name Direction Description1PD fi HF-preamp input for LD output monitoring PD signals2LD fi HF-preamp external TR drive pin for driving LD3 VCC +HF (+2.6V) p

15、ower supply4 RFN fi HF-preamp RF addition amp inverting input5 RFOUT HF-preamp fi RF addition amp output6 RFIN fi HF-preamp AGC amp input7 LDRCTL fi HF-preamp LD reference voltage control pin8 CAGC fi HF-preamp AGC loop filter connection pin9 ARF HF-preamp fi RF after AGC output10 CEA fi HF-preamp c

16、apacitor for 3T-ENV detection filter connection pin11 3TOUT HF-preamp fi 3T-ENV detection output12 CBDO fi HF-preamp capacitor for low-speed dark level BDO detection connection pin13 BDO HF-preamp fi BDO detection output14 COFTR fi HF-preamp capacitor for low-speed off-track detection connection pin

17、15 OFTR HF-preamp fi off-track detection output16 NRFDET HF-preamp fi RF signal amplitude detection information output17 GND GND ground pin18 SLPSW fi HF-preamp sleep mode control pin19 VREF VREF reference voltage output (VCC / 2)20 TEN fi HF-preamp TE amp inverting input21 TEOUT HF-preamp fi track

18、error output22 FEN fi HF-preamp FE amp inverting input23 FEOUT HF-preamp fi focus error output24 GCTL fi HF-preamp gain & APC control pin25 FBAL fi HF-preamp pin to input signal for controlling focus balance adjustment26 TBAL fi HF-preamp pin to input signal for controlling tracking balance adjustme

19、nt27 E fi HF-preamp satellite diode signal input28 F fi HF-preamp satellite diode signal input29 D fi HF-preamp central diode signal input30 B fi HF-preamp central diode signal input31 C fi HF-preamp central diode signal input32 A fi HF-preamp central diode signal input3-1SM8613AV LASER DIODE DRIVER

20、Pin Name Direction Description1 LDISET fi laser diode driver LD drive maximum current setting resistor connection2 NC1 no connection3 MUTE fi laser diode driver intermittent drive stop signal4PCK fi laser diode driver intermittent control reference pulse input5 DUTYADJ fi laser diode driver intermit

21、tent duty ratio adjust resistor connection6 FLOCK fi laser diode driver intermittent drive control signal7 NC2 no connection8 GND GND ground9 PDVIN fi laser diode driver laser luminosity monitor voltage input10 NC3 no connection11 LDOFF fi laser diode driver LD drive current control signal12 LDIOUT

22、laser diode driver fi LD drive current output13 VCC +2.6V supply voltage14 RG2 laser diode driver fi APC frequency response control capacitor connection15 NC4 no connection16 RG1 fi laser diode driver APC loop gain control resistor connectionLV8222W PWM-DRIVERPin Name Direction Description1RF fi PWM

23、-driver output current detection pin2 COM PWM-driver fi common point of spindle motor3VS fi PWM-driver power supply for spindle motor driver4 CP1 PWM-driver fi charge pump pulse output pin5 CPC1 fi PWM-driver pin for charge pump6 CP2 PWM-driver fi charge pump pulse output pin7 CPC2 fi PWM-driver pin

24、 for charge pump8VG fi PWM-driver pin for charge pump9 VCC +2.6V power supply for the small signal system circuit10 FG PWM-driver fi P FG pulse output11 FIL fi PWM-driver waveform synthetic signal filter pin12 COMIN fi PWM-driver differential input of position detection comparator13 S_S P fi PWM-dri

25、ver start/stop input of spindle motor block14 PWM fi PWM-driver PWM signal input of spindle motor block15 BRK fi PWM-driver brake input of spindle motor block16 MODE1 fi PWM-driver PWM frequency switching pin of spindle motor block17 MODE2 fi PWM-driver soft switching characteristic select pin of sp

26、indle motor block18 NC no connection19 RMAX fi PWM-driver sets maximum frequency of VCO pin20 VCOIN fi PWM-driver pin to control voltage of VCO pin21 VCO fi PWM-driver oscillation frequency of VCO pin22 VGREG fi PWM-driver pre-drive regulator pin23 VSMON PWM-driver fi P power supply voltage monitor

27、pin24 TGND GND ground of small signal system25 GND GND ground of small signal system26 CLK P fi PWM-driver channel 3 reverse output27 IN3R fi PWM-driver logic input pin of actuator H-bridge 328 IN3F fi PWM-driver logic input pin of actuator H-bridge 329 IN2R fi PWM-driver logic input pin of actuator

28、 H-bridge 230 IN2F fi PWM-driver logic input pin of actuator H-bridge 231 IN1R fi PWM-driver logic input pin of actuator H-bridge 132 IN1F fi PWM-driver logic input pin of actuator H-bridge 133 VS3 +A power supply for H-bridge 334 MUTE P fi PWM-driver H-bridge and three-phase sled mute pin35 OUT3R P

29、WM-driver fi H-bridge forward/reverse output 336 PGND3 GND ground of H-bridge output block 337 OUT3F PWM-driver fi H-bridge forward/reverse output 338 OUT2R PWM-driver fi H-bridge forward/reverse output 239 VS2 +A power supply for H-bridge 240 PGND2 GND ground of H-bridge output block 241 OUT2F PWM-

30、driver fi H-bridge forward/reverse output 242 OUT1R PWM-driver fi H-bridge forward/reverse output 143 PGND1 GND ground of H-bridge output block 144 VS1 +A power supply for H-bridge 145 OUT1F servo driver fi H-bridge forward/reverse output 146 WOUT PWM-driver fi output pin for spindle motor47 VOUT PWM-driver fi output pin for spindle motor48 UOUT PWM-driver fi output pin for spindle motor3-2