Philips FWM37 Service Manual Download Page 55

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11-3

P2001 BOARD

2201

6308

6304

7309

7304

vel detection

2215

2205

2216

6201

6200

6206

+B1

+C1

+B1

+A1

7301,7302
Power amplifier

1207

1200

1205

6202

5001

+12V_A
+12V_D

+12V_CDR

1204

Mains socket

1210

Stand by

Relais

NTC

is used for
monitoring the
transformer temparature

LOW_PWR_SUP is used to

supply the microprocessor
during ECO stand by

is used for
filament of
display

-Vkk supply of

display

supply f

or P

er amplifier

(Super Class G)

LEFT, RIGHT

from Source Selector

on Audio Frequency Board

6210-6214

5203

Stand by

Transformer

LOW_PWR_CNTRL

+5V6

+5V_VCD

VCD_ON

7330

VCD_ON

Blockdiagram Power2001 30-70W, 26 09 2000

12V Regulator

5,6V Regulator

5V Regulator

MAINS BOARD

Block Diagram

Summary of Contents for FWM37

Page 1: ...to modification GB 3141 785 30160 Mini System TABLE OF CONTENTS Page Location of pc boards Version variations 1 2 Technical 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 Disassembly Instructions Service positions 2 Service Test Program DEMO Mode 3 Set Block diagram 4 1 Set Wiring diagram 5 ...

Page 2: ... Selector x Aux Input x x x x Digital Output Headphone Socket x 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 x ETF7 Tape Module Non Autoreverse Ferro x x x x POWER 2001 Module 30 70W Version x x x VERSION VARIATIONS Type Versions FWM37 Features Board in used x x x x x ...

Page 3: ...s Boost DBB OFF DBB 1 DBB 2 DBB 3 2 Digital Sound Control Jazz Rock Techno Optimal 2 Headphone output at 32KΩ 700mV 2dB Input sensitivity Aux CDR 500mV 2dB 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...

Page 4: ... 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 L R LEVEL METER e g Sennheiser UPM550 with FF filter S N and distortion meter e g Sound Technology ST1700B DUT CD Use Audio Signal Disc SBC429 4822 397 30184 replaces test disc 3 ...

Page 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...

Page 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 ...

Page 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...

Page 8: ...es to the SPEAKERS terminals right speaker to R and left speaker to L coloured marked wire to and black unmarked wire to 1 2 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 an impedance lower than the s...

Page 9: ... on the system 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 PLAY PAUSE for CD MP3 CD to start or interrupt playback for Tape to start playback for Plug Play on the system only to initiate and start plug pl...

Page 10: ...er 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 to activate deactivate or set the sleep timer MUTE Mutes or restores the volume TIMER ON OFF activates deactivates the timer function B to switch the system to standby mode to switch the system to Eco Power standby mode DISP...

Page 11: ...alized CD RW or a correct MP3 CD format disc Use a finalised CD RW or CD R 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 poor quality The left and right sound outputs are reversed The remote control does not function properly The time is n...

Page 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...

Page 13: ...o loosen the Front Board 2 Remove 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 1 Remove 3 screws J and uncatch M1 as indicated to loosen the AF Board 2 Remove 3 screws K and uncatch M2 as indicated to loosen the Tuner Board 3 Remove 4 screws L as indicated to loosen...

Page 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 ...

Page 15: ... East Eur 34 version Y N Y N Y N 2 Button pressed 2 Button pressed 9 Button 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 note 2 Only DISC 2 3 AUX ALB TITLE MUTE FM DBB12 TECHNO JAZZ CONCERT R C are on note 1 All LEDs are on except ECO POWER Fig 1 Fig 2 Table 2 Error code E1000 E1001 E1002 E1003 E1005 E1006 E1007 E1008 ...

Page 16: ...4 1 SET BLOCK DIAGRAM 4 1 ...

Page 17: ...5 1 SET WIRING DIAGRAM 5 1 ...

Page 18: ...ernal IC Diagram Pin Description 6 3 PCB Layout Top View 6 4 PCB Layout Bottom View 6 5 Circuit Diagram MCU Part 6 6 Circuit Diagram Mic Part 6 7 Electrical Parts List 6 8 6 1 6 1 INTERNAL BLOCK DIAGRAM MICROCONTROLLER IC TMP87PS71F Remark For Ver 22 the whole Front Board Ass y can be orderd with 12nc 9940 000 01505 ...

Page 19: ...6 2 6 2 PIN DESCRIPTION MICROCONTROLLER IC TMP87PS71F PIN ASSIGNMENT TOP VIEW MICROCONTROLLER IC TMP87PS71F ...

Page 20: ...nal quality indication output RDDA 2 RDS data output Vref 3 reference voltage output 1 2VDDA MPX 4 multiplex signal input VDDA 5 analog supply voltage 5 V VSSA 6 analog ground 0 V CIN 7 comparator input SCOUT 8 switched capacitor filter output MODE 9 oscillator frequency select input SYNC 10 ARI clamping control input VSSD 11 digital ground 0 V VDDD 12 digital supply voltage 5 V OSCI 13 oscillator...

Page 21: ...6 4 6 4 PCB LAYOUT FRONT KEY BOARD TOP VIEW ...

Page 22: ...PCB LAYOUT FRONT KEY BOARD BOTTOM VIEW 6 5 6 5 ...

Page 23: ...6 6 6 6 CIRCUIT DIAGRAM FRONT BOARD MCU PART ...

Page 24: ...6 7 6 7 CIRCUIT DIAGRAM FRONT BOARD MIC PART ...

Page 25: ... 3 5MM 3807 9940 000 01324 ROTARY VOLUME 20K 21 5406 9940 000 01242 CER RESONATOR 8 00M 2P 7400 9940 000 01238 IC TMP87PS71AF QF80 22 7400 9940 000 01339 IC TMP87PS71F 21 30 7404 9940 000 01236 IC M24C01 WMN6 D430 9940 000 01233 LED LAMP MICRO RED D431 9940 000 01234 LED LAMP 3MM RED FL1 9940 000 01235 FTD DISPLAY VFD70 1201FN L600 9940 000 01211 TOROID COIL 180UH 10TX2 RV400 9940 000 01241 ROTARY...

Page 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...

Page 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...

Page 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...

Page 29: ...10 63V RDS only RESISTORS 3101 4822 051 20333 33kΩ 5 0 1W 3102 4822 117 10837 100kΩ 1 0 1W 3103 4822 051 20822 8 2kΩ 5 0 1W 3104 4822 117 13577 330Ω 1 0 1W 3105 4822 117 11503 220Ω 5 0 1W 3132 4822 051 20479 47Ω 5 0 1W 3134 4822 051 20223 22kΩ 5 0 1W 3141 4822 117 11148 56kΩ 1 0 1W 3142 4822 100 12159 TRIMPOT 100kΩ RESISTORS 3143 4822 051 20223 22kΩ 5 0 1W RDS only 3144 4822 051 10102 1kΩ 2 0 25W ...

Page 30: ... 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 ...

Page 31: ...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 ...

Page 32: ...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...

Page 33: ...6W 3131 3198 021 38210 820Ω 5 0 06W 3132 4822 051 20479 47Ω 5 0 1W 3134 4822 051 20223 22kΩ 5 0 1W 3135 3198 021 31020 1kΩ 5 0 06W 3137 4822 051 20223 22kΩ 5 0 1W LW only 3141 4822 117 11148 56kΩ 1 0 1W 3142 4822 100 12159 TRIMPOT 100kΩ 3143 4822 051 20223 22kΩ 5 0 1W RDS only 3144 4822 051 10102 1kΩ 2 0 25W RDS only 3145 4822 117 11449 2 2kΩ 1 0 1W 3146 4822 051 20229 22Ω 5 0 1W 3150 4822 117 108...

Page 34: ...RD TABLE OF 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 For Ver 22 the whole Tape Board Ass y can be orderd with 12nc 9940 000 01508 ...

Page 35: ...8 2 8 2 PCB LAYOUT TAPE BOARD TOP VIEW PCB LAYOUT TAPE BOARD BOTTOM VIEW ...

Page 36: ...8 3 8 3 CIRCUIT DIAGRAM TAPE BOARD ...

Page 37: ...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 ...

Page 38: ...ram 10 4 Blockdiagram 10 5 CD PART Component Layout Main Board 10 6 Circuit Diagram 10 7 MP3 PART Component Layout Main Board 10 8 Circuit Diagram 10 9 Exploded View 10 10 Partslist 10 12 3CDC LC MP3CD2002 3 Disc Carousel Changer MP3 Board Layout stage 2 ...

Page 39: ... WHEN CONNECTING A NEW CD MECHANISM THAT S WHY BESIDES THE SAFETY MEASURES LIKE SWITCH OFF POWER SUPPLY ESD PROTECTION ADDITIONAL ACTIONS MUST BE TAKEN BY THE REPAIR TECHNICIAN fig 1 Attention The laser diode of this CD drive is protected against ESD by a solder joint which shortcircuits the laserdiode to ground For proper functionality of the CD drive this solder joint must be removed after conne...

Page 40: ... of Tray Service hints 1 Open the tray 2 Release 2x catch as shown in fig 2 and Detail A 3 Pull tray out fig 2 Assembling of Tray 1 Turn Cam pos 48 clockwise to end position 2 If necessary move Guiding pos 49 to the right end position 3 Insert the Tray ...

Page 41: ...10 4 Wiring Disc Motor Inner switch Slide Motor Service Position ...

Page 42: ... endposition Open during movement Open if the drive is in one endposition Closed during movement VDD pin 16 EN1 pin 15 Power on FOCUS MOTOR RADIAL MOTOR SLEDGE MOTOR MOTOR TURNTABLE 7803 7802 TDA7073A TDA7073A TTM TTM SLEDGE SLEDGE RAD RAD FOC FOC 55 54 56 59 60 M1 M2 SL RA FO MP3 Version 1802 5 3 7 4 10 11 12 1805 1805 9 7 SHR DATA 6 12 13 10 11 9 CD_IIS_DATA IIS_WCLK IIS_SCLK External MP3 Decode...

Page 43: ...3 3825 E3 3826 E3 3827 D4 3828 D2 3829 F3 3830 F4 3832 C3 3833 E4 3834 E4 3836 E2 3837 D2 3838 D2 3839 E3 3840 C3 3842 D2 3843 E2 3844 F1 3845 D2 3846 E2 3847 E2 3848 D3 3849 C3 3850 D1 3853 E4 3854 E3 3855 E3 3856 F4 3857 F4 3858 C2 3859 C2 3860 C2 3861 C2 3862 C4 3863 D2 3864 E4 3865 C4 3866 F3 3867 E4 3871 E2 3872 E3 3878 C3 3881 C3 3882 E2 3883 E2 3884 E3 3885 E2 3890 F4 3891 E2 4700 B2 4701 B...

Page 44: ...4 13 12 11 9 10 1881 6803 BAS216 4x 6808 1882 1883 3776 10K 3771 220p 2883 2877 82p 1K 470R 3772 10K 3773 10K 3766 1K 220p 2878 10K 3765 33K 3730 3770 15 1 16 1875 1876 3 5 3 1 1875 1876 1 5 SW_INFO Power on Output enable delay BC847B 7812 2872 47n BZX284 C5V1 6805 4u7 2881 BAS216 6804 3715 100K 3755 220R 22K 3713 10K 3714 220R 3754 10V TRAY MOTOR CAROUSEL MOTOR Changer Control Logic Internal Supp...

Page 45: ...50 B4 7452 C2 7453 C2 7454 C3 7455 D2 7457 B4 7460 B2 1451 B5 1455 A4 2450 C1 2451 B1 2452 C2 2453 B1 2454 B1 2455 D2 2457 A2 2461 D4 2463 A3 2464 D4 2465 D4 2466 A3 2467 B4 2468 B4 2469 B4 2472 D3 3450 C1 3451 B1 3454 D2 3465 C1 3467 A3 3468 A3 3469 C4 3470 D3 3471 C4 3473 C4 3474 A3 3475 C4 3476 C4 3477 B4 3479 A2 3480 C4 3481 C4 3484 B4 3490 A4 3494 A2 3496 A4 3499 C1 4450 A4 6451 D4 7451 B3 74...

Page 46: ...BDX2 60 BFSR0 43 36 BFSR1 44 BFSR2 BFSX0 53 73 BFSX1 BFSX2 54 31 BIO 77 CLKMD1 78 CLKMD2 79 CLKMD3 CLKOUT 94 CVDD1 12 A3 134 A4 136 A5 137 A6 138 A7 139 A8 140 A9 141 BCLKR0 41 BCLKR1 38 BCLKR2 42 BCLKX0 48 71 BCLKX1 BCLKX2 49 BDR0 45 35 BDR1 BDR2 47 A1 132 A10 5 A11 7 A12 8 A13 9 A14 10 A15 11 A16 105 A17 107 A18 108 109 A19 A2 133 110 A20 A21 143 A22 2 7451 A0 131 2466 100n 2463 3474 15R 1u 3465...

Page 47: ...6560 SUPPORT 31 4822 529 10386 RUBBER DAMPER CD DRIVE REAR 32 4822 529 10387 RUBBER DAMPER CD DRIVE FRONT 33 3103 304 06970 WASHER 35 3103 309 05350 CD DRIVE MCD1B 41 3103 304 66480 FRAME 42 3103 304 66540 BRACKET GUIDING 43 3103 301 06460 SPRING GUIDING 44 3103 304 06890 GEAR 3 45 3103 304 06980 NAIL FIXATION 46 3103 304 06880 GEAR 2 47 3103 304 66530 BRACKET LOAD 48 3103 304 06910 CAM 49 3103 30...

Page 48: ...WER BLACK 21 3103 304 66490 CAROUSEL BLACK 22 3103 304 06860 PULLEY DRAWER 23 3103 304 06850 ECCENTRIC GEAR WHEEL 24 3103 304 06980 NAIL FIXATION 25 3103 304 66850 DRIVING BELT CAROUSEL 27 4822 532 12365 BUSH DRAWER height 5 5mm d 9 4mm 29 3103 304 66550 BRACKET DISC 30 3103 304 66520 TUMBLER 31 3103 301 06470 SPRING DISC 32 3103 304 06920 CONTROL DISC 34 3103 304 06870 GEAR 1 37 4822 361 10753 CA...

Page 49: ...2 126 13883 220pF 5 50V 2865 5322 122 32654 22nF 10 63V 2866 4822 126 13751 47nF 10 50V CAPACITORS 2867 4822 126 13883 220pF 5 50V 2868 2020 552 94427 100pF 5 50V 2869 2020 552 94427 100pF 5 50V 2872 3198 024 44730 47nF 5 50V 2873 4822 124 80231 47µF 20 16V 2876 4822 124 12245 220µF 20 16V 2877 4822 126 14226 82pF 50V 2878 4822 126 13883 220pF 5 50V 2879 4822 124 12245 220µF 20 16V 2880 4822 124 1...

Page 50: ...MPER 0805 4708 4822 051 20008 CHIP JUMPER 0805 4709 4822 051 20008 CHIP JUMPER 0805 4710 4822 051 20008 CHIP JUMPER 0805 4711 4822 051 20008 CHIP JUMPER 0805 4712 4822 051 20008 CHIP JUMPER 0805 4713 4822 051 20008 CHIP JUMPER 0805 4714 4822 051 20008 CHIP JUMPER 0805 4715 4822 051 20008 CHIP JUMPER 0805 4716 4822 051 20008 CHIP JUMPER 0805 4717 4822 051 30008 CHIP JUMPER 0603 4718 4822 051 20008 ...

Page 51: ... 4822 051 20008 CHIP JUMPER 0805 4886 4822 051 20008 CHIP JUMPER 0805 4887 4822 051 30008 CHIP JUMPER 0603 4888 4822 051 20008 CHIP JUMPER 0805 4889 4822 051 20008 CHIP JUMPER 0805 4890 4822 051 20008 CHIP JUMPER 0805 4891 4822 051 30008 CHIP JUMPER 0603 RESISTORS 4892 4822 051 20008 CHIP JUMPER 0805 4893 4822 051 20008 CHIP JUMPER 0805 4894 4822 051 20008 CHIP JUMPER 0805 4895 4822 051 20008 CHIP...

Page 52: ...03 10kΩ 5 0 06W 3468 4822 051 30103 10kΩ 5 0 06W 3469 4822 051 30101 100Ω 5 0 06W 3470 4822 117 12971 15Ω 5 0 06W 3471 4822 051 30339 33Ω 5 0 06W 3472 4822 051 30154 150kΩ 5 0 06W 3473 4822 117 13632 100kΩ 1 0 06W RESISTORS 3474 4822 117 12971 15Ω 5 0 06W 3475 4822 051 30101 100Ω 5 0 06W 3476 4822 051 30101 100Ω 5 0 06W 3477 4822 051 30471 470Ω 5 0 06W 3478 4822 051 30471 470Ω 5 0 06W 3479 4822 05...

Page 53: ...erate as so called super class G amplifiers The supply pins 12 Vcc are not just connected to one fixed DC supply as in conventional amplifiers Dependent on the output power there are three different DC voltages supplied to the power amplifiers C1 20V for low output power B1 29V for medium output power A1 41V for high output power Principle benefit of Super Class G Conventional power stage Class G ...

Page 54: ...ration of A1 Common full wave rectifying with bridge rectifier 6202 using 100 secondary winding of mains transformer pin 10 14 Generation of B1 The supply for B1 consists of one full wave rectifier 2 diodes of bridge rectifier 6202 with 6200 6220 in parallel 6201 6221 in parallel for generation of B1using approx 70 secondary winding of mains transformer pin 10 13 respectively pin 11 14 As example ...

Page 55: ...used for monitoring the transformer temparature LOW_PWR_SUP is used to supply the microprocessor during ECO stand by is used for filament of display Vkk supply of display supply for Power amplifier Super Class G LEFT RIGHT from Source Selector on Audio Frequency Board 6210 6214 5203 Stand by Transformer B1 LOW_PWR_CNTRL C1 5V6 5V_VCD VCD_ON 7330 VCD_ON Blockdiagram Power2001 30 70W 26 09 2000 12V ...

Page 56: ...2 C5 6213 B5 6214 B5 6215 D5 6216 C5 6217 C5 6218 C5 6220 B3 6221 B3 6222 B5 7200 A2 7201 D5 7202 C5 7203 A3 9206 B2 9208 B1 9210 D1 9211 D4 9212 D5 9213 D4 9214 C5 9216 B4 9217 B3 9218 C4 9219 C1 9220 C3 9221 D3 9222 D3 9223 C4 9224 B4 9225 B4 9226 D4 9227 B4 9228 D3 9229 C5 9230 C3 9231 D3 9232 D2 9233 D3 9234 D2 9235 C3 9236 C3 9237 C3 9238 C3 9239 C3 9240 C2 9241 C2 9242 B5 9243 A4 9244 A5 924...

Page 57: ... 4K7 3205 5203 1 10 5 6 8 BZX79 C33 6207 6201 1N5392 1N5392 6220 6221 1N5392 T5A 1200 19372 1N4003 6214 4m7 2217 C1 9214 3211 4R7 5202 97TS 6 7 8 9 11 12 13 14 15 16 17 2 3 4 5 5001 1 10 6m8 2216 6206 1N4003 T1 6A 1208 4K7 3208 3207 4K7 NTC F1 ECO F2 NTC LOW_PWR_SUP LOW_PWR_SUP LOW_PWR_SUP ECO F2 F1 not on all versions not on all versions Mains Transformer Voltage Selector Stand by Transformer Sta...

Page 58: ...11 6 POWER BOARD COPPERSIDE VIEW P2001 30 70W AN17850 PWR313 11 6 ...

Page 59: ... 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_PWR A1 CDR ONLY 10K 3336 BC557B 7303 6313 1N414...

Page 60: ... 3333 4822 116 52199 68Ω 5 0 16W 3336 4822 050 21003 10kΩ 2 0 25W 3337 4822 116 52206 120Ω 5 0 5W 3338 4822 116 52176 10Ω 5 0 5W 3339 4822 116 52269 3 3kΩ 5 0 5W 3340 4822 116 83872 220Ω 5 0 5W 3341 4822 116 52283 4 7kΩ 5 0 5W RESISTORS 3343 4822 116 52285 470kΩ 5 0 5W 3344 4822 050 21003 10kΩ 2 0 25W 3345 4822 116 83876 270Ω 5 0 16W 3346 4822 116 52249 1 8kΩ 5 0 16W 3347 4822 116 52249 1 8kΩ 5 0 ...

Page 61: ...IBLE SURROUND IS The AF9 provides 2 possible IS namely a Simple IS using TDA7468D with addition of passive network b Full IS using transistor circuitry to create phase shifting and spatial effect g HEADPHONE AMPLIFIER Headphone amplifier NJM4556AM 7601 is provided after the Sound processor 7501 to drive 32 ohm to 1kohm headphone h M62320FP The M62320FP 7403 I2 C Expander provides additional contro...

Page 62: ...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 ...

Page 63: ...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 ...

Page 64: ...12 4 12 4 SOURCE SELECTION SOUND PROCESSING CIRCUIT ...

Page 65: ...12 5 12 5 HEADPHONE AMPLIFIER I2 C EXPANDER CIRCUIT 1K ...

Page 66: ...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...

Page 67: ...1nF NP0 25V 2206 2238 916 15641 22nF 10 X7R 25V 2603 4822 124 81151 22µF 50V 2207 4822 124 40433 47µF 20 25V 2604 4822 124 81151 22µF 50V 2208 4822 126 13879 220nF 80 20 16V 2605 2020 552 94427 100pF 5 NP0 50V 2209 4822 124 41751 47µF 20 50V 2606 2020 552 94427 100pF 5 NP0 50V 2210 4822 126 13879 220nF 80 20 16V 2607 4822 126 13881 470pF 5 50V 2401 2020 552 94427 100pF 5 NP0 50V 2608 4822 126 1388...

Page 68: ...Ω 5 0 062W 3550 4822 051 30183 18K 5 0 062W 3689 4822 051 30151 150Ω 5 0 062W 3591 5322 117 13056 8 2K 1 0 063W 3692 4822 051 30334 330K 5 0 062W 3592 5322 117 13056 8K2 1 0 063W 3694 4822 051 30222 2 2K 5 0 062W 3593 4822 051 30562 5 6K 5 0 063W 3707 4822 051 30102 1K 5 0 062W 3594 4822 051 30562 5 6K 5 0 063W 3708 4822 051 30102 1K 5 0 062W 3601 4822 116 52238 12K 5 0 5W 3711 4822 051 30562 5 6K...

Page 69: ...6x 47 4x 22 23 15 14 26 21 42 28 29 49 2X 35 50 10x 33 41 NO PART DESCRIPTION QTY 46 HARDEN SCREW STTB 3X6 6 47 HARDEN SCREW TB WH3X12 4 48 HARDEN SCREW BTTB3X10 51 49 SELF TAPPING SCREWTB BH3X14 2 50 HARDEN SCREW TT WH3X6 10 51 HARDEN SCREW TT BH3X8 5 52 HARDEN SCREW BTTB2 5X10 2 53 SELF TAPPING SCREW TB BH3X12 2 SCREW LIST ...

Page 70: ...SPRING RIGHT 34 3139 114 71010 STOPPER HEATSINK 35 9940 000 01276 PANEL LEFT 36 9940 000 01277 PANEL RIGHT 37 9940 000 01285 TOP COVER 38 9940 000 01375 REAR PANEL 39 9940 000 01268 SPRING COMPRESSION 41 9940 000 01269 3CD MECH CASING ASS Y 42 9940 000 01271 LOGIC DECK W991D 5168 Note Only these parts mentioned in the list are 43 9940 000 01264 FOOT RUBBER 4MM normal service parts ELECTRICAL PARTS...

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