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14-1

REVISION LIST

1.0 Manual 3141 785 30860

Initial Service Manual released.

1.1 Manual 3141 785 30861

In this version, the Chapter6 - Front Board & Key Board are added.

Содержание FWM372 Series

Страница 1: ... GB 3141 785 30861 Mini System TABLE OF CONTENTS Page Location of PC Boards 1 2 Versions Variation Package 1 2 Specifications 1 3 Measurement Setup 1 4 Service Aids Safety Instruction etc 1 5 to 1 7 Preparations Controls 1 8 to 1 10 Maintenance Troubleshooting 1 11 Setting Procedure Repair Instructions 2 Disassembly Instructions Service positions 3 Block Diagram 4 Wiring Diagram 5 Front Board Key ...

Страница 2: ...le Voltage Selector Aux Input x x x x Digital Output Headphone Socket x x x Line Output Matrix Surround Loudspeakers Standby FTD Clock Display x x ECO Standby Dark x x ECO6 Tuner board System Non Cenelec x x ECO6 Tuner board System Cenelec x ETF7 Tape Module Non Autoreverse Ferro x x x VERSION VARIATIONS Type Versions FWM372 FWM572 Features Board in used x x x x x x USB Direct x x x ...

Страница 3: ...B Input sensitivity Aux CDR 350mV 900mV CASSETTE RECORDER Number of track 2 x 2 stereo Tape speed 4 76 cm sec 2 Wow and flutter 0 4 DIN Fast wind rewind time C60 130 sec Bias system 75kHz 10kHz Rec Pb frequency response within 8dB 80Hz 12 5kHz Signal to noise ratio Type 48dBA COMPACT DISC Measurement done at output conn of the CDC module Frequency response within 1 5dB 20Hz 20kHz Output level in V...

Страница 4: ...15kHz e g 7122 707 48001 LF Voltmeter e g PM2534 DUT S N and distortion meter e g Sound Technology ST1700B Frame aerial e g 7122 707 89001 Tuner AM MW LW To avoid atmospheric interference all AM measurements have to be carried out in a Faraday s cage Use a bandpass filter or at least a high pass filter with 250Hz to eliminate hum 50Hz 100Hz RF Generator e g PM5326 Ri 50Ω Bandpass 250Hz 15kHz e g 7...

Страница 5: ...t Disc 4822 395 10216 ESD Equipment Anti static table mat large 1200x650x1 25mm 4822 466 10953 anti static table mat small 600x650x1 25mm 4822 466 10958 Anti static wristband 4822 395 10223 Connectorbox 1MΩ 4822 395 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table mat to conn box 4822 320 11306 Earth cable to Connect product to mat or box 4822...

Страница 6: ...n osservazione della più grande cauzione alla loro manipolazione Durante le riparazioni occorre quindi essere collegato allo stesso potenziale che quello della massa dell apparecchio tramite un braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale Pour votre sécurité ces documents doivent être utilisés par des spécia listes ...

Страница 7: ...modities has to be purchased at external companies Special information for BGA ICs always use the 12nc recognizable soldering temperature profile of the specific BGA for de soldering always use the lead free temperature profile in case of doubt lead free BGA ICs will be delivered in so called ëdry packagingí sealed pack including a silica gel pack to protect the IC against moisture After opening d...

Страница 8: ... more than one speaker to any one pair of speaker terminals Do not connect speakers with an 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 a USB device or memory card By connectin...

Страница 9: ...stem only to stop programming for Tape to stop playback or recording for Demo on the system only to activate deactivate the demonstration for Clock on the system only to exit clock setting for Plug Play on the system only to exit plug play mode 2 for CD MP3 CD USB to start or interrupt playback for Tape to start playback for Plug Play on the system only to initiate and start plug play mode TITLE w...

Страница 10: ...ect headphones MASTER VOLUME VOL to increase or decrease the volume IR SENSOR sensor for the infrared remote control RECORD REC to start recording on tape deck 1 or 2 AUTO REPLAY A REPLAY to select continuous playback in either AUTO REPLAY or ONCE MODE only Disc tray OPEN CLOSE to open or close the disc tray DISC CHANGE to change disc s Display screen to view the current status of the system SLEEP...

Страница 11: ...orrect MP3 CD format disc Use a finalised CD RW or CD R Check if the number of folders exceeds 99 or the number of titles exceeds 999 Remove the USB mass storage device or select another source Problem Solution Troubleshooting Radio reception is poor Recording or playback cannot be made The tape deck door cannot open The system does not react when buttons are pressed Sound cannot be heard or is of...

Страница 12: ... CDC Module and Front Panel Remove CDC Module 4 Remove the Cover Tray CDC as indicated Front View CDC Remove Cover Tray CDC Dismantling of the CDC Module and Front Panel Sliding Out The CDC Tray 5 Loosen 2 screws A and 2 screws B to remove the CDC Module as indicated 6 Remove 2 screws at the bottom to separate the Front Panel Assembly from the Plate Bottom 3 Lift up and out 1 Place screw driver fl...

Страница 13: ...ove 4 screws E as indicated to loosen the Front Board 1 The Knob Volume can be remove pull it out in the direction as indicated See picture 1 Picture 1 Repair Hints Remove Main Board 2 Remove 1 screws J and uncatch M1 as indicated to loosen the AF Board 3 Remove 3 screws K and uncatch M2 as indicated to loosen the Tuner Board 4 Remove 4 screws L as indicated to loosen the Panel Rear 1 Remove 2 scr...

Страница 14: ...unless the fault is sus pected to be in that area This will not 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 Service pos B ...

Страница 15: ...006 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 during play Sledge In Error The sledge did not reach its inner position inner switch is still close before...

Страница 16: ...4 1 SET BLOCK DIAGRAM FWM372 4 1 ...

Страница 17: ...4 2 SET BLOCK DIAGRAM FWM572 4 2 ...

Страница 18: ...SET WIRING DIAGRAM FWM372 5 1 5 1 ...

Страница 19: ...SET WIRING DIAGRAM FWM572 5 2 5 2 ...

Страница 20: ...LE OF CONTENTS FTD Display Pin Connection 6 1 Front PCB Layout Top View 6 2 Front PCB Layout Bottom View 6 3 Circuit Diagram 6 4 PCB Layout CD Key USB Jack Part 6 5 Electrical Parts List 6 6 6 1 6 1 FTD DISPLAY PIN CONNECTION ...

Страница 21: ...6 2 6 2 PCB LAYOUT FRONT BOARD TOP VIEW ...

Страница 22: ...PCB LAYOUT FRONT BOARD BOTTOM VIEW 6 3 6 3 ...

Страница 23: ...6 4 6 4 CIRCUIT DIAGRAM FRONT KEY BOARD ...

Страница 24: ...6 5 6 5 PCB LAYOUT USB JACK BOARD TOP VIEW PCB LAYOUT USB JACK BOARD BOTTOM VIEW PCB LAYOUT CDC KEY BOARD ...

Страница 25: ...0 01243 TACT SWITCH 1426 9940 000 01243 TACT SWITCH 1433 9940 000 04449 CRYSTAL 4 332MHZ 20PPM 12 05 1601 9940 000 01244 PHONE JACK 3 5MM 5406 9940 000 04451 CRYSTAL 8MHZ 20PPM 7400 9940 000 04448 IC TMP88PU74YF OTP 7404 9322 131 04668 IC SM M24C01 WMN6 D430 9940 000 00265 LED LAMP MICRO D431 9940 000 01234 LED LAMP 3MM RED FL1 9940 000 04447 FTD DISPLAY RV400 9940 000 01241 ROTARY ENCODER U10 935...

Страница 26: ... 6 5 43 C D 450kHz 450kHz 450kHz 20 75kHz VStabA VStabB VStabB VStabA VStabB 10 7 MHz 10 7 MHz 35 9 Vdd Vcc1 7 23 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 A FM MPX buffer ampl 5 Discriminator 10 7 MHz Vdd Vcc1 Vcc Vcc2 AM RF AM Osc FM Osc FM RF FM IF 1 FM IF 2 AM IF...

Страница 27: ...1n 3134 22K 6105 2 HN1V02H 100n 2163 T141 7KL 1K 3144 5102 3157 100K T109 470R 3153 2130 22n 220R 3105 3142 100K 3167 120R 33p 2149 2K2 3145 1132 C PAD T103 T111 2164 470n T102 2140 15p 2139 2138 2u2 82p 2133 1u 3103 8K2 T120 4p7 2154 3156 1101USA YKD21 100K 2161 100n 5119 2119 10p T142 5123 11p 2106 3172 6106 BAS216 100n 2165 5K6 3154 3155 220R 330R 2124 33K 3176 22n WRITE EN 5114 7P MUTE P0 P1 P...

Страница 28: ...riginal frame antenna has to be used 2 RC network serves for damping the IF filter while adjusting the other one 4 MW has to be aligned before LW Waverange Input frequency Input Tuned to Adjust Output Scope Voltmeter FM 87 5 108MHz 65 81 74 87 5 108MHz FM MW version 9kHz grid 531 1602kHz as low as possible ECO6 System non Cenelec stage 3 120900 TUNER BOARD ECO6 Systems non Cenelec componentside vi...

Страница 29: ... B V Stab B V Stab A V Stab B 10 7 MHz 10 7 MHz 35 9 Vdd Vcc1 7 23 V Stab A V Stab B 38 34 22 Vcc2 8 ECO6 Systems Cenelec 140499 V Loop FM AM RF AM Osc FM IF 1 FM IF 2 LF filter MPX buffer ampl RDS MPX 5 RDS MPX stereo clock data enable Version 3 1120 AM IF 1 AM IF 2 AM AFC 1 8 AM Frontend 2 AM FRAME AERIAL B 1103 1101 1102 A FM AM FM Discriminator 10 7 MHz Vdd FM Vcc1 Vcc Vcc2 MW LW AM RF AM Osc ...

Страница 30: ...4 22n USA 22n USA C PAD 1131 T141 2106 11p 20p_LW 0R 4104 0R 41xx 2165 100n 1130 C PAD 10K 3180 2150 100n BZX284 C11 6107 T102 2127 22n 2169 22n 100K 3170 1 I 3 O 2125 560p 5109 2 G 470R 3152 2108 100p 3125 10K 3153 470R 330R 3193 T103 120R 3167 100R 3195 7 8 33K 3176 8 5122 1 2 3 4 6 5123 1 2 3 4 6 7 5110 G 2 I 1 O 3 5115 1 2 3 4 6 7 8 2 3 4 6 7 8 5119 1 2135 100n 2163 LW 7104 BC337 40 2145 220p ...

Страница 31: ...ce Testprogram By selecting the TUNER TEST test frequencies will be stored as preset frequencies automatically AM FRAME AERIAL FM 75Ω FM FRONTEND Birdy Filter ECO6 Sys Cenelec layout stage 8 200803 1101 B5 1102 B5 1103 C5 1110 B4 1120 A4 1130 A5 1131 C5 1132 A4 2106 B4 2107 B3 2128 A3 2129 B3 2133 C1 2138 B1 2144 B1 2162 A4 2191 B4 3142 C2 5102 C4 5103 C4 5109 B3 5110 A2 5111 A3 5112 A2 5114 A2 51...

Страница 32: ... CONTENTS PCB Layout Top View 8 2 PCB Layout Bottom View 8 2 Circuit Diagram 8 3 Electrical Parts List 8 4 8 1 8 1 Remark The chapter 8 for reference only the whole Tape Board Ass y can be orderd with 12nc 9940 000 04485 ...

Страница 33: ...8 2 8 2 PCB LAYOUT TAPE BOARD TOP VIEW PCB LAYOUT TAPE BOARD BOTTOM VIEW ...

Страница 34: ...8 3 8 3 CIRCUIT DIAGRAM TAPE BOARD ...

Страница 35: ...COIL 100KHZ 7610 5322 209 11306 HEF4094BT 7710 9940 000 01248 IC HF4952 7720 9322 140 00668 IC SM AN7323S MATJ 7730 9940 000 01248 IC HF4952 7740 9940 000 01248 IC HF4952 7786 4822 130 63494 FET J111 F900 9940 000 01252 FUSE RADIAL F400MA 250V Note Only these parts mentioned in the list are normal service parts ...

Страница 36: ...MAINS BOARD TABLE OF CONTENTS PCB Layout Diagram FWM372 6 2 Circuit Diagram FWM372 6 3 PCB Layout Diagram FWM572 6 4 Circuit Diagram FWM572 6 5 Electrical Parts List 6 6 9 1 9 1 ...

Страница 37: ...9 2 9 2 PCB LAYOUT MAINS BOARD_FWM372 ...

Страница 38: ...9 3 9 3 CIRCUIT DIAGRAM MAINS BOARD_FWM372 ...

Страница 39: ...9 4 9 4 PCB LAYOUT MAINS BOARD_FWM572 ...

Страница 40: ...9 5 9 5 CIRCUIT DIAGRAM MAINS BOARD_FWM572 ...

Страница 41: ...IND 400µH 3A 7200 9940 000 04439 TRANSISTOR BD238 Note Only these parts mentioned in the list are normal service parts ELECTRICAL PARTS MAINS BOARD_FWM572 1901 9940 000 01347 AC SOCKET H 2P 2 5A 250V 1902 9940 000 02821 SWITCH W O NUT 55 1905 9940 000 01223 FUSE RADIAL T5A 250V 1921 9940 000 01223 FUSE RADIAL T5A 250V 1924 9940 000 01223 FUSE RADIAL T5A 250V 1925 9940 000 01356 FUSE RADIAL T2 5A 2...

Страница 42: ... TABLE OF CONTENTS PCB Layout Diagram FWM372 11 2 Circuit Diagram FWM372 11 3 PCB Layout Diagram FWM572 11 4 Circuit Diagram Part1 FWM572 11 5 Circuit Diagram Part2 FWM572 11 6 Electrical Parts List 11 7 11 1 11 1 ...

Страница 43: ...11 2 11 2 LAYOUT DIAGRAM POWER BOARD_FWM372 ...

Страница 44: ...9V 14 4V 4 4V 9309 D4 9310 A7 9398 E9 9399 B9 F300 A1 F301 A1 F302 A1 F303 A1 F304 A1 F305 A4 F306 B9 F307 B13 F308 B2 F309 C1 F310 D13 F311 C3 11 6V CDR ONLY 5V T1A 24 2V _CNTRL 41V 40V TO SUPPLY MAINS 0 6V 7 5V F312 C1 F313 C9 F314 C1 F315 D1 F316 D1 F317 D1 F318 D13 F319 E3 F320 D2 F322 E2 F324 E2 F325 E11 F326 E11 F327 E2 F328 F11 F329 F2 F330 E9 F331 F11 F332 G1 F333 G1 F334 G1 _SUPPLY LOW_PW...

Страница 45: ...11 4 11 4 LAYOUT DIAGRAM POWER BOARD_FWM572 ...

Страница 46: ...CIRCUIT DIAGRAM POWER BOARD_FWM572 PART 1 11 5 11 5 ...

Страница 47: ...CIRCUIT DIAGRAM POWER BOARD_FWM572 PART 2 11 6 11 6 ...

Страница 48: ...ts ELECTRICAL PARTS POWER BOARD_FWM572 1280 9940 000 01356 FUSE RADIAL T2 5A 250V CON8 9940 000 01219 SPK JACK RD BLK BLK RD IC1 9940 000 04477 IC STK403 120 IC2 9940 000 04443 TRANSISTORS BDW94C L1 9940 000 04483 FM COIL 8X11 5T 1MM L2 9940 000 04483 FM COIL 8X11 5T 1MM Q16 9940 000 04476 TRANSISTOR 2N5551 Q21 9940 000 04476 TRANSISTOR 2N5551 Q25 9940 000 04444 TRANSISTOR BDX53BFP R120 9940 000 0...

Страница 49: ...n Mic mixing c DOLBY PRO LOGIC DPL INTERFACE The AF9 Board has provisions which can be configured to cater for DPL d LINE OUT Line out cinch socket for connection to external amplifier e SUB WOOFER OUT Sub woofer out cinch socket for connection to active sub woofer speaker f INCREDIBLE SURROUND Incredible surround effect using transistor circuit to create phase shifting and spatial effect g HEADPH...

Страница 50: ...CHIP LAYOUT 12 2 12 2 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 113 3435 pt4 dd wk0142 ...

Страница 51: ...3 12 3 COMPONENT LAYOUT This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 113 3435 pt4 dd wk0142 ...

Страница 52: ...12 4 12 4 SOURCE SELECTION SOUND PROCESSING CIRCUIT ...

Страница 53: ...12 5 12 5 HEADPHONE AMPLIFIER I2 C EXPANDER CIRCUIT 1K ...

Страница 54: ...GND_D T101 1520 FE BT VK N 1 2 3 4 aa 5V6_Con 4905 9405 T094 DPL_L GND_EMC T110 T059 T108 T060 D_Text 12V_M 4904 I2C_Clk CD_Right T085 GND_D T078 470p 2950 2952 100p 47p 2810 3205 5K6 T090 T119 DSA_STB 470p 2951 T066 GND_D T086 D_Text MIC_DET 4906 T053 T084 T072 14 2 3 4 5 6 7 8 9 aa 1205 1 10 11 12 13 5V6_Con GND_D F1 DPL_Clk AMP_RIGHT T069 EH B 1524 1 2 3 14 15 2 3 4 5 6 7 8 9 1100 1523 FE BT VK...

Страница 55: ...940 000 01358 FUSE RES 10Ω 1 4W 5 3821 9940 000 01358 FUSE RES 10Ω 1 4W 5 7202 9940 000 01357 IC LM78L05 AC 7403 4822 209 17345 IC M62320FP 7501 9322 150 74668 IC SM TDA7468D 7601 5322 209 15853 IC NJM4556AM Note Only these parts mentioned in the list are normal service parts ...

Страница 56: ...13 1 13 1 MECHANICAL EXPLODED VIEW ...

Страница 57: ...1267 SPRING RIGHT 8 9940 000 04464 9940 000 04493 FRONT CAB 12 05 8 9940 000 04794 9940 000 04516 FRONT CAB 55 9 9940 000 01282 9940 000 01282 DISPLAY RING 10 9940 000 01308 9940 000 01308 DISPLAY LENS 11 9940 000 04463 9940 000 04489 CDC TRAY DOOR 13 9940 000 01297 9940 000 01297 VOL KNOB GRIP 14 9940 000 01296 9940 000 04505 VOL KNOB RING 15 9940 000 01281 9940 000 01281 COSMETIC RING 16 9940 00...

Страница 58: ...14 1 REVISION LIST 1 0 Manual 3141 785 30860 Initial Service Manual released 1 1 Manual 3141 785 30861 In this version the Chapter6 Front Board Key Board are added ...

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