Philips-MCM-510-Service-Manual(1) 电路图 维修手册.pdf

《Philips-MCM-510-Service-Manual(1) 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Philips-MCM-510-Service-Manual(1) 电路图 维修手册.pdf（48页珍藏版）》请在收音机爱好者资料库上搜索。

1、GB CLASS 1 LASER PRODUCT COMPACT DIGITAL AUDIO Service ServiceService ServiceService MCM510/22/25/33 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 originali e che sia

2、no 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. CLASS 1 LASER PROD

3、UCT 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 nkymttmlle laseristeily

4、lle. l katso steeseen! DK Advarse ! Usynlig laserstrling ved bning nr sikkerhedsafbrydere er ude af funktion. Undg udsaettelse for strling. 1-6 1-7 INFORMATION ABOUT LEAD-FREE SOLDERING Philips CE is producing lead-free sets from 1.1.2005 onwards. IDENTIFICATION: Regardless of special logo (not alwa

5、ys indicated) one must treat all sets from 1 Jan 2005 onwards, according next rules: Example S/N: Bottom line of typeplate gives a 14-digit S/N. Digit 5 for CD/MP3 CDto start or interrupt playback. for Tape .to start playback. 0Tape deck !OPEN/CLOSE 0 to open tape compartment. DBB/INCREDIBLE SURROUN

6、D (IS) to create a super-enhanced stereo effect. to enhance the bass. #DSC (Digital Sound Control) to select the desired sound effect : OPTIMAL/ ROCK/POP/JAZZ. $VOLUME (VOL + / -) to increase or decrease the volume. (on the system only) to adjust the hours and minutes for the clock/timer functions.

7、%SOURCE to select the respective sound source : CD, TUNER, TAPE or AUX. RECORD to start recording. &iR sensor infrared sensor for remote control. *OPENCLOSE to open or close the disc tray. (n Headphone Plugs in the headphones jack. The speakers output will be cancelled. )MODE to shuffle and repeat a

8、 track/disc. w / to select a desired track. MUTE interrupts and resumes sound reproduction. TIMER to activate/deactivate the timer function. SLEEP to activate/deactivate or set the sleep timer. B to switch the system to standby mode. Notes for remote control: First select the source you wish to cont

9、rol by pressing one of the source select keys on the remote control (for example CD, TUNER). Then select the desired function (for example 6 , w, ). 24 w 0 w 1-10 Cleaning the Cabinet Use a soft cloth slightly moistened with a mild detergent solution. Do not use a solution containing alcohol, spirit

10、s, ammonia or abrasives. Cleaning Discs When a disc becomes dirty, clean it with a cleaning cloth. Wipe the disc from the centre out. Do not use solvents such as benzene, thinner, commercially available cleaners, or antistatic spray intended for analogue records. Cleaning the disc lens After prolong

11、ed use, dirt or dust may accumulate at the disc lens. To ensure good playback quality, clean the disc lens with Philips CD Lens Cleaner or any commercially available cleaner. Follow the instructions supplied with cleaner. Cleaning the Heads and the Tape Paths To ensure good recording and playback qu

12、ality, clean the heads A, the capstan(s) B, and pressure roller(s) C after every 50 hours of tape operation. Caution: Do not rotate the heads during cleaning. Use a cotton swab slightly moistened with cleaning fluid or alcohol. You can also clean the heads by playing a cleaning tape once. AA B C Dem

13、agnetizing the heads Use a demagnetizing tape available at your dealer. Maintenance “NO DISC” is displayed. Radio reception is poor. Insert a disc. Check if the disc is inserted upside down. Wait until the moisture condensation at the lens has cleared. Replace or clean the disc, see “Maintenance”. U

14、se a finalised CD-RW or CD-R. If the signal is too weak, adjust the antenna or connect an external antenna for better reception. Increase the distance between the Micro HiFi System and your TV or VCR. WARNING Under no circumstances should you try to repair the system yourself, as this will invalidat

15、e the warranty. Do not open the system as there is a risk of electric shock. If a fault occurs, first check the points listed below before taking the system for repair. If you are unable to remedy a problem by following these hints, consult your dealer or Philips for help. ProblemSolution Troublesho

16、oting Recording or playback cannot be made. “CHK TAPE” is displayed. The tape deck door cannot open. The system does not react when buttons are pressed. Sound cannot be heard or is of poor quality. The left and right sound outputs are reversed. The remote control does not function properly. The time

17、r is not working. The Clock/Timer setting is erased. Clean deck parts, see “Maintenance”. Use only normal (IEC I) tape for recording. Apply a piece of adhesive tape over the missing tab space. Remove and reconnect the AC power plug and switch on the system again. Remove and reconnect the AC power pl

18、ug and switch on the system again. Adjust the volume. Disconnect the headphones. Check that the speakers are connected correctly. Check if the stripped speaker wire is clamped. Make sure the MP3-CD was recorded within 32-256 kbps bit rate with sampling frequencies at 48 kHz, 44.1 kHz or 32 kHz. Chec

19、k the speaker connections and location. Select the source (CD or TUNER, for example) before pressing the function button (). Reduce the distance between the remote control and the system. Insert the batteries with their polarities (+/ signs) aligned as indicated. Replace the batteries. Point the rem

20、ote control directly toward IR sensor on the front of the system. Set the clock correctly. Press TIMER SET 3 (TIMER on the remote control) to switch on the timer. If a recording is in progress, stop the recording. Power has been interrupted or the power cord has been disconnected. Reset the clock/ti

21、mer. ProblemSolution Troubleshooting 6 , w, w 2-1 2-1 DISMANTLING INSTRUCTIONS Dismantling of the Cover Cassette and Universal Loader 1) Push 1 catch each on the left & right side then remove the Cover Cassette in the direction as shown in Figure 1 and Figure 1A. 2) Loosen 4 screws to remove the Cov

22、er Top by sliding it out towards the rear before lifting up. - 2 screws on the rear - 1 screw each on the left & right side 3) Loosen 2 screws each to remove the Panel Left and Panel Right. The Panels are removed by sliding it towards the rear and outwards. - 1 screw on the rear - 1 screw on the sid

23、e - see Service position A 6) Loosen 2 screws A (see Figure 2) to remove the Bracket Module Mounting and CD Module. - 1 screw each on the left & right side Detaching the Front Panel assembly from the Bottom/Rear assembly Figure 1 Figure 1A Figure 2 Lift up and out Push catches on two sides A Figure

24、3 1) Remove 2 screws B (see Figure 3) from the bottom of the Cabinet Front. Detaching the Front Panel assembly from the Bottom/Rear assembly 2) Release the fixation of the Combi Board (pos1102-1003) to Bracket Combi (pos 155) by releasing the 2 catches C1 (see Figure 7) and pulling the Combi Board o

25、utwards as shown in Figure 7A. 3) Uncatch 2 catches C2 (see Figure 7) on the left & right sides of the Cabinet Front (pos 101) and slides the Front Panel assembly out towards the front. - see Service position C B Figure 4A Figure 4 Dismantling of the Front Panel assembly 1) The Knob Volume can be re

26、move by pulling it out in the direction as shown in Figure 5. 2) 3) Loosen 3 screws D (see Figure 6) to remove Front Display Board. 4) Loosen 3 screws C (see Figure 6) to remove the Bracket Front Cabinet Display. 5) Loosen 2 screws E (see Figure 6) to remove the Headphone Board. Figure 5 Loosen 4 sc

27、rews F (see Figure 7) to remove the Module Tape Deck. 2-22-2 Dismantling of the Front Panel assembly DISMANTLING INSTRUCTIONS Dismantling of the Rear Panel assembly Figure 6 Figure 8 1) Loosen 3 screws K and 2 catches C5 (see Figure 8) to remove the Tuner Board assembly. 2) Loosen 3 screws L (see Fi

28、gure 8) to free the Main Board. 3) Loosen 1 screw M (see Figure 8) to free the Mains Socket Bracket. 4) Loosen 1 scew N and 2 catches C6 (see Figure 8) to free the Panel Rear by sliding it out towards the rear. Note : Tuner Board assembly and Mains Socket Bracket can also be removed together with th

29、e Panel Rear. Figure 7 C D F E Service position A Service position B Service position C DISMANTLING INSTRUCTIONS Repair Hints & Service Positions 1) During repair it is possible to disconnect the Tuner Board and/or CD Module completely unless the fault is sus- pected to be in that area. This will no

30、t affect the performance of the rest of the set. Note: The flex cables are very fragile, care should be taken not to damage them during repair. After repair, be very sure that the flex cables are inserted properly into the flex sockets before encasing, otherwise faults may occurs. 2-32-3 3-13-1 SERV

31、ICE TEST PROGRAM STOP button pressed in any step returns to begin of Service Testprogram. PLAY button pressed? STOP button pressed? N N Y Y Y Y N BLANK DISPLAY TEST CD SERVO TEST Display shows version number of the P - software. NEXT button pressed? Display shows ALBUM DN pressed? Slide moves outwar

32、ds as long as button is held depressed. PLAY button pressed? ALBUM UP pressed? Y Y NN FOCUS found? Y N Display shows FOCUS search SLIDE MOTOR test To enter Service Testprogram hold PLAY & DISPLAY buttons depressed while plugging mainscord in. *Door switch is ignored CD door can be opened. is softwar

33、e version, eg. S 1262 N *Tuner test the sound settings Volume up/down, DSC, IS and DBB function as in normal mode, but flags will not be indicated on the display in all steps. stands for Service mode, N Y FORMAT EEPROM Display shows if it is fail, skip to EEPROM is cleared and default values are sto

34、red. DISPLAY button pressed? This test should be done at the end of the production process so that every set is customised before leaving factory. table 2 EUROPE FM/MW USA FM/MW OVERSEAS FM/MW REGION & SET VERSIONS 1)Grid switchable 100/10kHz - 50/9kHz /22/25/37/ 21/21M/30 TUNER VERSIONS N Y TAPE TE

35、ST Display shows Solenoids of the deck are activated for 2s and deactivated for 3s. Switch all actions off REC button pressed? PLAY/DISPLAY button pressed? N Y TUN OSETUN USATUN EURT Display shows Enter sledge test NEXT button pressed? Y PREV button pressed? Y NN Enter focus test Display shows disc

36、motor turns PLAY button pressed? Y Slide stops moving N Slide moves inwards as long as button is held depressed. PLAY button pressed? Y Slide stops moving N skip to N SOURCE TEST N Display shows version of tuner board as long as PROGRAM key will be pressed. Tuner is normal working except for the PRO

37、GRAM button. STOP button pressed? N Y e.g. PRESET UP pressed? Display shows all segments and flags for checking open circuits. see figure 1 STOP button pressed? N Y Figure 1 4-1 4-1 SET BLOCK DIAGRAM 5-15-1 SET WIRING DIAGRAM () Front PCB 6-1 6-1 FRONT BOARD LAYOUT DIAGRAM - HEADPHONE BOARD TABLE OF

38、 CONTENTS Headphone Board Layout . 6-1 Front Board Layout Top View . 6-2 Front Board Layout Bottom View . 6-3 Circuit Diagram . 6-4 Electrical Parts List . 6-5 LAYOUT DIAGRAM - FRONT BOARD TOP SIDE 6-26-2 6-36-3 LAYOUT DIAGRAM - FRONT BOARD BOTTOM SIDE 6-46-4 /22/25 CIRCUIT DIAGRAM - FRONT BOARD 6-5

39、6-5 ELECTRICAL PARTS - FRONT BOARD EN7019940 000 03211ENCODER IC7019940 000 03213IC OTP TMP86PS25F IC7029940 000 03272IC M24C01-RDW6T IC7039940 000 03215RDS IC SAA6581T IC7049940 000 03214VFD DRIVER IC PT6315 L7039940 000 03216CHOKE COIL 100H L7059965 000 17286FIXED INDUCTOR 0.47H-K LED7019940 000 0

40、1442LED 5.25X2.9 RED 3R4SDC-8 RS7019940 000 03271IR RECEIVER SW7019965 000 13779TACT SWITCH SW7029965 000 13779TACT SWITCH SW7039965 000 13779TACT SWITCH SW7049965 000 13779TACT SWITCH SW7059965 000 13779TACT SWITCH SW7069965 000 13779TACT SWITCH SW7079965 000 13779TACT SWITCH SW7089965 000 13779TAC

41、T SWITCH SW7099965 000 13779TACT SWITCH SW7109965 000 13779TACT SWITCH SW7119965 000 13779TACT SWITCH SW7129965 000 13779TACT SWITCH SW7139965 000 13779TACT SWITCH SW7149965 000 13779TACT SWITCH VFD701 9940 000 03212VFD HNA-13SM42T X7019940 000 03209CRYSTAL 4.332MHZ X7029940 000 03207CERAMIC FILTER

42、8.0MHZ +-5% X7039940 000 03208CRYSTAL 32.768KHZ 12.5PF Note: Only these parts mentioned in the list are normal normal service parts. 7A-17A-1 1 FM Osc. FM Mixer AM Mixer AM Osc. AM IF IF1IF2 FM Det. AM Det. 3393733 RADIO IC TEA 5757H TUNER BOARD ECO 6 Systems 101811 14 15 24 rightright left left ste

43、reo VCO 41403619324425 Stereo Decoder AFC AFC + AFC - 4 4 AGC Pre- scaler Multi- plexer Charge pump Stabilizer CONTROL Reference Oscillator 29 28 27clock data enable P1 P0 31 30 programmable output ports VLoop VLoop VLoop VLoop VLoop 2 6 5 43 C D 450kHz450kHz450kHz 20 75kHz VStabAVStabBVStabB VStabA

44、VStabB 10,7 MHz10,7 MHz 359 VddVcc1 723 VStabA VStabB 38 34 22 Vcc2 8 ECO6 Systems, 140499 LF filter RDS (MPX) RDS (MPX) stereo clock data enable Version 1120 1 8 FM Frontend AM Frontend AM-FRAME AERIAL B 1103 1101 (1102) AFM MPX buffer ampl. 5 Discriminator 10,7 MHz Vdd Vcc1 Vcc Vcc2 AM-RF AM-Osc.

45、FM-Osc. FM-RFFM-IF 1FM-IF 2 AM-IF 1AM-IF 2AM-AFC 3 2 BLOCK DIAGRAM ECO6 Tuner Board version:SYSTEMS non-CENELEC TABLE OF CONTENTS Blockdiagram .7A-1 Schematic Diagram.7A-2 Component Layout.7A-3 Adjustment table .7A-3 Electrical Partslist.7A-4 7A-27A-2 ECO6 Sys-non Cenelec, 000911 1101 A1 1102 B1 110

46、3 F2 1120 E14 1130 A2 1131 B2 1132 G13 2101 B3 2102 B1 2103 C7 2104 B3 2105 A2 2106 F3 2107 F4 2119 H6 2120 G6 2124 H6 2125 H6 2126 F7 2127 E7 2128 C8 2129 C7 2130 F11 2131 G8 2132 G8 2133 G8 2134 H8 2135 H9 2136 G14 2137 G13 2138 F9 2139 G9 2140 G9 2141 F10 2143 G12 2144 G11 2145 F12 2146 E12 2147

47、E12 2148 E12 2149 H7 2150 A10 2152 E4 2153 E5 2154 D5 2155 D5 2159 F6 2161 C11 2163 D11 2164 F10 2165 C7 2166 E11 2167 E11 2169 H8 3101 E4 3102 D4 3103 C6 3104 A7 3105 B6 3132 G5 3134 H6 3141 E7 3142 E7 3143 G7 3144 H7 3145 F8 3146 G13 3152 G14 3153 G13 3154 G13 3155 G11 3156 C12 3157 C12 3158 E13 3159 D13 3160 D12 3161 D13 3167 F12 3168 F11 3169 E11 3170 C12 3172 G12 3176 G7 3181 E6 5102 F2 5109 B9 5110 B10 5111 A8 5112 A11 5114 B11 5119 G9 5121 E11 5123 G5 5130 E5 5131 C6 6103 B2