Philips-FWM-399-Service-Manual(1) 电路图 维修手册.pdf
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1、CLASS 1 LASER PRODUCT COMPACT DIGITAL AUDIO Service Manual Service ServiceService ServiceService FWM399/21/22/25/30 TABLE OF CONTENTS Page Location of pc boards fr Reparaturen sind Original-Ersatzteile zu verwenden. I Le norme di sicurezza esigono che lapparecchio venga rimesso nelle condizioni orig
2、inali e che siano utilizzati i pezzi di ricambio identici a quelli specificati. After servicing and before returning set to customer perform a leakage current measurement test from all exposed metal parts to earth ground to assure no shock hazard exist. The leakage current must not exceed 0.5mA. CLA
3、SS 1 LASER PRODUCT 3122 110 03420 GB Warning ! Invisible laser radiation when open. Avoid direct exposure to beam. SVarning ! Osynlig laserstrlning nr apparaten r ppnad och sprren r urkopplad. Betrakta ej strlen. SFVaroitus ! Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina nkymttml
4、le laseristeilylle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. Preparations Rear connections The type plate is located at the rear of the system. For users in the U.K.: please follow the instructions on page
5、1-9. APower Before connecting the AC power cord to the wall outlet, ensure that all other connections have been made. WARNING! For optimal performance, use only the original power cable. Never make or change any connections with the power switched on. To avoid overheating of the system, a safety cir
6、cuit has been built in. Therefore, your system mays witch to Standby mode automatically under e xtreme conditions. If this happens, let the system cool down before reusing it (not available for all versions). BAntennas Connection Connect the supplied AM loop antenna and FM antenna to the respective
7、terminals. Adjust the position of the antenna for optimal reception. AM Antenna Fix the claw to the slot Position the antenna as far as possible from a TV, VCR or other radiation source. SPEAKERS 6R R + ? L ? + AM ANTENNALR speaker (right) speaker (left) AM loop antenna AUX/ CDR IN AC MAINS AC power
8、 cord FM AERIAL 75? FM wire antenna Preparations FM Antenna For better FM stereo reception, connect an outdoor FM antenna to the FM ANTENNA terminal. CSpeakers Connection Front Speakers Connect the speaker wires to the SPEAKERS terminals, right speaker to R and left speaker to L, coloured (marked) w
9、ire to + and black (unmarked) wire to -. 12 Fully insert the stripped portion of the speaker wire into the terminal as shown. Notes: For optimal sound performance, use the supplied speakers. Do not connect more than one speaker to any one pair of +/- speaker terminals. Do not connect speakers with a
10、n impedance lower than the speakers supplied. Please refer to the SPECIFICATIONS section of this manual. Optional connection The optional equipment and connecting cords are not supplied. Refer to the operating instructions of the connected equipment for details. Connecting other equipment to your sy
11、stem Use a cinch cable to connect AUX/CDR IN to the analogue audio out terminals of an external equipment (TV , VCR, Laser Disc player, DVD player or CD Recorder). Note: If you are connecting equipment with a mono output (a single audio out terminal), connect it to the AUX/CDR IN left terminal. Alte
12、rnatively, you can use a “single to double” cinch cable (the output sound still remain mono). Inserting batteries into the remote control Insert two batteries (Type R06 or AA) into the remote control with the correct polarity as indicated by the + and - symbols inside the battery compartment. CAUTIO
13、N! Remove batteries if they are exhausted or will not be used for a long time. Do not use old and new or different types of batteries in combination. Batteries contain chemical substances, so they should be disposed off properly. 1-7 1-8 1 2 3 6 7 8 9 ! * Button pressed? 2; Button pressed? 9 Button
14、pressed? DISPLAY TEST Display shows Fig. 2 and selected LEDs on (see note 2) Display shows Fig. 1 and selected LEDs on (see note 1)Figure 1 Figure 2 note 2 :Only DISC 2, TUNER, AUX, DSC, VEC & MAX SOUND are on. note 1 :All LEDs are on except ECO POWER. Table 2 Error code E1000 E1001 E1002 E1003 E100
15、5 E1006 E1007 E1008 E1020 E1070 E1071 E1079 Error Description Focus Error Triggered when the focus could not be found within a certain time when starting up the CD or when the focus is lost for a certain time during play. Radial Error Triggered when the radial servo is off-track for a certain time d
16、uring play. Sledge In Error The sledge did not reach its inner position (inner-switch is still close) before approximately 6 Sec. have passed by. Inner-switch or sledge motor problem. Sledge Out Error The sledge did not come out of its inner position (inner-switch is still open) before approximately
17、 250 mSec. have passed by. Inner-switch or sledge motor problem. Jump-offtrack error Triggered in normal play when the jump destination could not be found within a certain time. When this error occurred, software will try to recover by initiating the jump command again. If it is recoverable, the dis
18、c will continue to play. Subcode Error Triggered when a new subcode was missing for a certain time during play. PLL Error The Phase Lock Loop could not lock within a certain time. Turntable Motor Error Generated when the CD could not reached 75% of speed during startup within a certain time. Discmot
19、or problem. Focus Search Error The focus point has not been found within a certain time. This happens when the carousel switch is defective and closed all the time, or when the carousel is blocked when it is located exactly at a disc position. This happens when the carousel switch is defective and d
20、oes not closed electrically, or when the carousel is blocked in between two disc positions. The time-out is approximately 5 Sec. The drawer could not open or enter the inside position and is opening again. This happen when the drawer is blocked and cannot go fully inside or when the drawer switch is
21、 defective and does not close. To start service test program hold P & AUX depressed while plugging in the mains cord Display shows the ROM version * S-Vyy (Main menu) S refers to Service Mode. V refers to Version. yy refers to Software version number of Processor. (Counting up from 01 to 99) SERVICE
22、 TEST PROGRAM Mini 2002 FW-C399 Dated: wk141 4-14-1 SET BLOCK DIAGRAM CONTROL ECO6 VOL. 2 I2C DATA A +LED L/R SPEAKER CD STANDBY POWER_DOWN D D 2 X 6 OHMS 500mV NJM4556AM I2C DATA MUTE CONTROL MUTE AMP_ON CD_PORE TDA7468 I2C CLK +12M +9.1V MAIN SIGNAL PATH MEASUREMENTS ARE IN AUX MODE : XX mV YY dBA
23、 ZZ dB LEVELS AT MAX VOL LEFT/RIGHT L CHANNEL I2C CLK S/N AT 500mW HEADROOM (1% THD) WRT TO LEVEL AT MAX VOL -CMOS +5V6 +12A +12M+12A 2 X 100W AM A DM A D LEDS F1 MAX +LED+5V6 KEY SCAN MATRIX SA1, SA2, SA3 +F VOLUME +F SHIFT REGISTER I2C CLK D D 3CDC-L2C ETF7 TAPE CONTROL TUNER CONTROL M62320FP LEDS
24、 +G AF9 +12A BIPLANER/ +5V6 LED STR LED ENABLE HEADPHONE AMPLIFIER Gv = 25dB +9.1V CDC CONTROL +CD LOW_PWR_SUP 47R MUTEHP DET 1.90V HEADPHONE 2.50V 3.0dB 14 dB F1x -Vkk -Vkk -Vkk MUTE +12A 100mV +F I2C CDC -26 dB +E LED AM (80% MOD) FM (67.5 kHz) 650mV CD SUPPLY CONTROL AF9 Rin = 3k +F AMPLIFIER 76d
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