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Philips MCM11 Service Manual Download Page 11

A

NJM4556AM

+D

XX mV

+12V_A

+5V6

+5V6

+12V_A

2 X 6 OHMS

+12V_A

+G

AMP_RELAY

-AMP

-33V

TUNER

SIMPLE

CLASS D

+12V_A

650mV

UL-ICD03

CDC

CONTROL

+CD

285mV

ECO POWER

F2

-33V

+12V_M

D

M

MP3

D

ATTN.

+9V

POWER

-6dB Track

A

10M

POWER

-8.5dB

SMPS

PWDN

RDS

FUSE

COMBI

EEPROM

HEADPHONE

FOR -/21 ONLY

+12V_A

ADC

FUSE

SOFTWARE CONTROL

+D

+D

IIC SHIFT

REGISTER

M62320FP

ETF8

CONTROL

L

CONTROL

LEFT/RIGHT

250nWb/m

ATTN.

-25dB

28mV

500mV

-33V

2 X 75W 

85dBA

FUSE

F1x

ECO6

+D

+12V_D

A

HEADPHONE

N

CONTROL

&

BASS

SHIFT

85dBA

+5V6

+C

POWER SUPPLY

MUTE

KEY SCAN

VOLUME

CONTROL

BASS & TREBLE

CONTROL

2.50V

+C

ETF8

+5V6

D

CD_ON

A

M

ETF8

-CMOS +12V_D

AMP_MUTE

COMBI

CONTROL

MUTE_HP

AMP_OFF

IIC_CLK1

IIC_DATA1

HP_MUTE

TDA7468

AUX / CDR

IR EYE

AMP_OFF

AMPLIFIER

CONTROL

+9.1V

CHOKE

uP

LOW_POWER_CONTROL

L/R SPEAKER

TUNER

HP_DET

MAINS

REG

VOLTAGE

LPS

NTC

F1

Rin = 3k

-AMP

REGULATOR

LM317P

AMP_RELAY

F1

125mV

DECODER

TMP88CU74YF

S/N AT 500mW Output

HEADROOM (1% THD) WRT TO LEVEL AT MAX VOL

NOTE :

ATTEN.

AM (80% MOD)

INCREDIBLE

1.90V
67dBA

HP_DET

REGISTER

TRAFO

SOURCE SELECTOR

+C

VOL. 2

AMP_MUTE

+5V6_ECO

+C

+D

SOURCE / VOLUME LEDS

+D

+5V_CD

CONTROL

3.2dB

FRONT

PWDN

FUSE

+D2

LEFT/RIGHT

125mV

+5V6_ECO

500mV / 1000mV

A

IS FILTER

+AMP

 HP_OUT

+D

NTC

F1x

+5V6

16dB

IIC_CLK1

D

+D2

FM (67.5 kHz)

500mV

ZZ dB

YY dBA

A

F2x

SELECTOR

+9.1V

REGULATOR

LM317P

IIC

SURROUND

A

3dB

LED

500mV

IIC_CLK1

IIC_DATA1

F2

LPC

CONTROL

LOW_POWER_SUPPLY

+12V_A

3.0dB

TREBLE

HP DET

FTD

INTERFACE

VOL. 1

MAIN SIGNAL PATH

MEASUREMENTS ARE IN AUX MODE :

LEVELS AT MAX VOL

F2x

(NOT USED FOR -/37)

HP_OUT

IIC_DATA1

78dBA

39R

39R

AMPLIFIER

(ONLY FOR -/37)

+AMP

UL-CD

Block Diagram_3139 119 37731_dd wk0409

4-1

4-1

SET BLOCK DIAGRAM

Summary of Contents for MCM11

Page 1: ...ms Non Cenelec 7A Systems Cenelec 7B ETF8 Tape Module 9 Universal Loader 10 Power 2003 Module 75 150W Class D 11 Set Mechanical Exploded view parts list 12 Revision List 13 Copyright 2004 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mech...

Page 2: ...ible Surround x x x Karaoke Features Voltage Selector x ECO Power Standby Clock Display Off x x x ECO6 Tuner Board Systems Non Cenelec x ECO6 Tuner Board Systems Cenelec x x VERSION VARIATIONS Type Versions MCM8 Features Board in used Mains Board Display Board Tuner Board ETF8 SD Board Eeprom Board Combi Board CD Board Tray Motor Board MP3 CD03 Board Top Key Board Control Board ...

Page 3: ... bandwidth 18dB IF rejection 45dB Image rejection 28dB Distortion at RF 50mV M 80 5 AMPLIFIER Output power 6 ohm 1kHz 10 THD L R 2 x 75W RMS Frequency response within 3dB 50Hz 16kHz Bass 60Hz 3 Steps Treble 12kHz 3 Steps Incredible Surround On Off Input sensitivity Aux in at 1kHz 500mV at 600 ohm CDR in at 1kHz 1000mV at 600 ohm Output sensitivity Headphone output at 32 ohm 15mW 2dB Max vol CD Hea...

Page 4: ...z 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 7122 ...

Page 5: ... Torx bit T10 150mm 4822 395 50456 Torx driver set T6 T20 4822 395 50145 Torx driver T10 extended 4822 395 50423 Compact Disc SBC426 426A Test disc 5 5A 4822 397 30096 SBC442 Audio Burn in Test disc 1kHz 4822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test Disc 4822 395 10216 ...

Page 6: ... braccialetto a resistenza Assicurarsi che i componenti e anche gli utensili con quali si lavora siano anche a questo potenziale GB ESD PROTECTION EQUIPMENT Complete Kit ESD3 small tablemat wristband connection box extention cable and earth cable 4822 310 10671 Wristband tester 4822 344 13999 CLASS 1 LASER PRODUCT GB Warning Invisible laser radiation when open Avoid direct exposure to beam S Varni...

Page 7: ...6 Loosen 4 screws A see Figure 4 to remove the Bracket Module Mounting pos 156 and Universal Loader pos 1103 2 screws each on the left right side Detaching the Universal Loader from the Bracket Module Mounting 2 1 2 1 Figure 1 Figure 2 Figure 3 Figure 4 Figure 6 Figure 7A Figure 7 1 Remove 2 screws C see Figure 6 from the bottom of the Cabinet Front pos 101 Detaching the Front Panel assembly from ...

Page 8: ...see Figure 13 to remove the Display Board pos 1105A 8 Loosen 4 screws H see Figure 13 to remove the Top Key Board pos 1105C 9 Loosen 5 screws J see Figure 14 and 2 nuts W see Figure 10 to remove the Control Board pos 1105B Dismantling of the Front Panel assembly Figure 11 Figure 9 Figure 12 Figure 15 Figure 13 1 Loosen 3 screws K and 2 catches C5 see Figure 15 to remove the Tuner Board assembly 2 ...

Page 9: ...ner Board and or CD Module completely 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 ...

Page 10: ...d CD Module CD SLEDGE MOTOR is moved in CD SLEDGE MOTOR is moved out FOCUS SERVO Test Press 9 to exit OKAY ERROR MP3CD 03 TI Vnn TI BUS SLD I SLD O TI FOC Choose level by pressing on the RC Q R Note Disc should be available on the tray before entering the Service Test Mode MP3 CD MODULE TEST Y Y Y N N N Display shows 12M Output at Display Board pin 19 of uP 2 929 6875Hz Display shows 32K Output at...

Page 11: ...IER CONTROL 9 1V CHOKE uP LOW_POWER_CONTROL L R SPEAKER TUNER HP_DET MAINS REG VOLTAGE LPS NTC F1 Rin 3k AMP REGULATOR LM317P AMP_RELAY F1 125mV DECODER TMP88CU74YF S N AT 500mW Output HEADROOM 1 THD WRT TO LEVEL AT MAX VOL NOTE ATTEN AM 80 MOD INCREDIBLE 1 90V 67dBA HP_DET REGISTER TRAFO SOURCE SELECTOR C VOL 2 AMP_MUTE 5V6_ECO C D SOURCE VOLUME LEDS D 5V_CD CONTROL 3 2dB FRONT PWDN FUSE D2 LEFT ...

Page 12: ... 1107 8303 10P 220mm LPS TRAFO TRAFO FCT FFC TOP ENTRY 8003 1204 1 1 1 ETF8 1 PIN TYPE 15P 280mm BD Fold FCS 1701 1 1103 2P 260mm 5001 1104 7P 140mm AD 8012 7P 180mm AD FROM TAPE CHASSIS 1 2P 280mm 1 FCT 1210 EHT 1401 FCS 1803 1 1 1105 TO BOTTOM PLATE TO BOTTOM PLATE S PLATE S LEFT LUG 8P 280mm AD Fold 1105 EEPROM 1 DISPLAY 1 FCT 1026 1 FCS 1402 FCT 1406 COMBI 8301 FRONT CONTROL ESD WIRE 1105 FRON...

Page 13: ...cuit Diagram Part 2 6 6 Display part Variant Table 6 7 Top Key part Layout Circuit diagram 6 7 Control part Component Chip Layout 6 8 Control part Circuit Diagram Part 1 6 9 Control part Circuit Diagram Part 2 6 10 Eeprom part Layout Circuit diagram 6 11 Karaoke part Component Chip Layout 6 12 Karaoke part Circuit Diagram 6 13 Electrical parts list 6 14 6 1 6 1 TECHNICAL REMARKS ...

Page 14: ... e r n d 7G col a h j p k b f m g c e r n d 8G a h j p k b f m g c e r n d 9G col dp a h j p k b f m g c e r n d 10G a h j p k b f m g c e r n d 11G a h j p k b f m g c e r n d 12G 13G S1 S2 S3 A1 B1 B2 B3 B4 B5 B6 B7 C1 C1 C2 C2 C3 C3 C4 C4 C5 C5 C6 C6 C7 C7 13G 1G 1G B1 S1 A B C B C C B h f j k b r g d a m e p n c A A B2 B3 B4 B5 B6 B7 A1 C1 C2 C3 C4 C5 C5 C6 C6 C7 S2 S3 12G 2G 11G 1G 2G 3G 4G 5...

Page 15: ...ISPLAY BOARD 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 3529 pt4 dd wk0409 ...

Page 16: ...ssembly drawing shows a summary of all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 113 3529 pt4 dd wk0409 DISPLAY BOARD CHIP LAYOUT 6 4 6 4 ...

Page 17: ... 3453 2401 D 470R 3447 1K0 3 IIC1 D TSOP4836ZC1 7403 1K0 3408 1K0 3419 D D 3496 1K0 D D 9406 10K 3402 2412 2458 3415 D FTD1 47p 2425 1K0 D 3477 2479 100p 10K D D 22p 2406 2424 47p 1K0 3475 3429 1K8 1K0 D 3466 4438 3411 4429 1K0 3430 100R 3529 7401 1K8 D BC857B 4415 FTD1 4457 2417 100p 10K 3421 1N4148 6402 3539 10K 100p 2415 2K7 3465 100p D 3404 100R D 680K 3499 10K 3450 2403 10n 2416 100p 2420 1K0...

Page 18: ...CLK 5V 6405 1N4003 2472 D 3502 3515 1K0 5402 D I2C1 1K0 3521 22K FTD2 100n 2459 4u7 47p 3503 4422 D 4423 3519 4428 D FE ST VK N 9400 TU_GND NC 5V F2 DVD_TURDS_CLK ESD PROVISION 2440 10p 2466 220p 2R2 3524 2448 10p 2460 100p FTD1 D 2R2 10p 2443 9405 220R 3501 3512 D 10p 2446 10K 4408 2R2 3520 10K 3510 100n 4427 D 2454 4412 4406 4424 4459 220R 3500 470R 3506 2468 4419 220p 100n 2452 50V 6408 1N4148 ...

Page 19: ...A3 3351 A3 ECO LED ECO 1 2 3 4 1 2 3 4 A B C A TO FRONT DISPLAY RDS NEWS DIM 3352 A4 6306 C2 8008 A1 ADC LTL 816EELC 6306 OPEN CLOSE SKQNAB 1331 SKQNAB 1332 150R 3350 SKQNAB 1334 270R 3352 220R 3351 8008 35022 1 2 3 SKQNAB 1333 ADC Key0 8239_210_97674_01 for 3529 pt4 dd wk0409 Note Some values may varies see respective parts list for correct value This assembly drawing shows a summary of all possi...

Page 20: ...ersions For components used in a specific version see schematic diagram and respective parts list 3139 113 3529 pt4 dd wk0409 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 3529 pt4 dd wk0409 6 8 6 8 ...

Page 21: ...3308 1K8 D D 1K2 3304 390R D 5300 2u2 HP 8239_210_97634_01 Control Circuit 1 for 3529 pt4 dd wk0409 2 C 4 5 EVE 1314 1 A 3 B 820R 3306 5 RT 01T 1 0B 8301 1 A 1 B 3 C 2 4 2308 10n 1 2 3 4 2307 10n FE ST VK N 1300 5 6 7 8 9 10K 3313 10 11 12 13 14 15 2 3 4 1302 15FE ST VK N 1 3302 220R 10n 2305 22n 2302 1 22n 2301 RT 01T 1 0B 8300 5302 2u2 5301 2u2 1 2 3 4 5 SKQNAB 1304 1301 TC38 103 61 6 7 SKQNAB 1...

Page 22: ...DK3 LTL 816TDK3 6301 LTL 816TDK3 6302 1K5 3325 3328 1K5 3322 1K0 D 2313 47p D 10K 3319 LTL 816TDK3 6300 2311 100n 4u7 5304 3327 1K5 D 3335 10K LTL 816TDK3 6303 10K 3320 2312 100n 3331 390R 3324 1K5 D 1K5 3330 D 22p 2316 2315 47p 7302 BC847B 47p 2314 5 6 7 14 13 12 11 9 10 1 16 8 7301 74HC4094D 3 2 15 4 1K5 3329 D 390R 3334 10K 390R 3333 3318 3336 10K 3326 1K5 D D 10V 100u 2303 6309 BAS316 3323 1K5...

Page 23: ... 4 9V RDS 3604 E2 3605 E2 3606 D3 3607 D3 5600 A1 5601 C2 5602 E2 7600 A1 7601 C1 TO FRONT DISPLAY 4 9V IIC1 D 1K0 3601 1K0 3600 100n 2600 7 5600 2u2 1 2 3 6 5 8 4 256x8 Φ EEPROM M24C02 WMN6 7600 1n0 2601 1K5 3603 10K 3602 D 560p 2602 560p 2603 IIC1 IIC1 IIC1 D 100n 2605 2u2 2604 1 2 3 4 5 6 7 8 50V 1600 08FE BT VK N 1K0 3606 D 1K0 3607 D D 47p 2607 2K2 3605 220K 3604 5601 2u2 10 TCON 15 VDDA 5 12...

Page 24: ...nents used in a specific version see schematic diagram and respective parts list 3139 113 3529 pt4 dd wk0409 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 3529 pt4 dd wk0409 KARAOKE BOARD CHIP LAYOUT For MCD9 only ...

Page 25: ...M4560M 7800 A 3 2 1 8 1K2 Mic Mic Mic 100p 2812 12V_A 7802 2819 22n 1800 TC38 103 61 6 7 1 NJM4560M 7800 B 5 6 7 8 4 3814 12K 50V 10u 2816 50V 22u 2804 470p 2808 3820 5K6 3812 2809 150K Mic 50V 22u 100p 2810 1M 3822 2811 100p 7803 BC847B 2807 47p 12V_A 3804 1K0 3801 4K7 6K8 3802 470R 3803 220R 3818 Mic 4K7 3824 3805 6K8 Mic Mic 270K 3810 3816 270R 6800 BC847B 7801 2806 470n 1SS355 2K2 3813 BC847B ...

Page 26: ...30103 10k 5 0 062W 3319 4822 051 30103 10k 5 0 062W 3320 4822 051 30103 10k 5 0 062W 3321 4822 051 30103 10k 5 0 062W 3323 4822 051 30152 1k5 5 0 062W 3324 4822 051 30152 1k5 5 0 062W 3325 4822 051 30152 1k5 5 0 062W 3326 4822 051 30152 1k5 5 0 062W 3327 4822 051 30152 1k5 5 0 062W 3328 4822 051 30152 1k5 5 0 062W 3329 4822 051 30152 1k5 5 0 062W 3330 4822 051 30152 1k5 5 0 062W 3331 4822 051 3039...

Page 27: ...822 051 30008 0R Jumper 0603 4438 4822 051 30008 0R Jumper 0603 22 25 4439 4822 051 30008 0R Jumper 0603 4440 4822 051 30008 0R Jumper 0603 4441 4822 051 30008 0R Jumper 0603 4442 4822 051 30008 0R Jumper 0603 4443 4822 051 30008 0R Jumper 0603 4444 4822 051 30008 0R Jumper 0603 4445 4822 051 30008 0R Jumper 0603 4446 4822 051 30008 0R Jumper 0603 4447 4822 051 30008 0R Jumper 0603 4448 4822 051 3...

Page 28: ... 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 29: ...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 30: ...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 31: ...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 32: ... 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 33: ...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 220n 2169 2n2 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 34: ...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 35: ...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 36: ...gister Data line 7 STROBE HEF4094BT shift register Strobe line CONNECTOR 1710 TAPE HEAD CONNECTIONS 1 GND A R P Head left channel positive 2 ERASE HEAD Pb Head return ground shield 3 R P HD Rch R P Head right channel positive 4 Common Erase Head 5 R P HD Lch Erase Head ground CONNECTOR 1760 DECK CONTROL INTERFACE 1 Vcc 12V Deck Motor supply 2 PHOTO Photo sensor output tape movement indication 3 GN...

Page 37: ...sion CRO REC RVS REC FWD Tape Deck Motor To ETF8 Board Connector 1760 8P TAPE DECK WIRING To ETF8 Board Connector 1710 5P TAPE MECHANISM ELECTRONICS 1 Vcc 12V Pin No 08FESTVKNA Mode Switch CrO2 Switch Rec Switch FWD Rec Switch RVS Solenoid Motor 470R Photo Interrupter 2 Photo Out 3 Gnd 4 Mode Switch 5 Solenoid 6 CrO2 Switch 7 Rec Switch FWD 8 Rec Switch RVS ...

Page 38: ...e fig 2 3 RECORDED CASSETTE RECORDED CASSETTE figure 1 f Hz level dB 8dB 6dB 12 5k AR 4k 250 80 8dB f Hz level dB 8dB 6dB 10k 4k 250 100 8dB figure 2 check SBC419A 4822 397 30069 SBC420 4822 397 30071 SBC420 3150Hz SBC420 10kHz SBC419A or SBC420 SBC419A or SBC420 SBC420 CHECK RECORD PLAYBACK FREQUENCY AND DISTORTION limits see fig 1 10k Non AR 8 STAGE SHIFT REGISTER 8 BIT STORAGE REGISTER 3 STATE ...

Page 39: ... version see schematic and respecive parts list 3139 113 3455 pt3 dd wk411 3 4 1 2 This assembly drawing shows a summary of all possible versions For components used in a specific version see schematic and respecive parts list 3139 113 3455 pt3 dd wk411 3 4 1 2 9 4 9 4 COMPONENT LAYOUT CHIP LAYOUT ...

Page 40: ...7K 3614 A 3608 27K 1u 2785 A 47K 3680 3775 4R7 P A 3710 33R 7790 BC847B P 47K 3739 2790 1n5 2791 1n5 33n 2719 A 1u 100K 3686 PMBT 2907 2K2 3607 5V A 3609 2K2 2728 2n2 1N4148 P 2781 10n 2787 33n 2720 33n 5 6 2727 2n2 CLNS 2A833 YEZ 5703 7 MT1 8 MT2 1 2 3 4 CP 3 2 D E0 15 O0 4 O1 5 O2 6 O3 7 O4 14 13 O5 O6 12 O7 11 Os 9 Os 10 STR 1 VDD 16 VSS 8 6771 HEF4094BT 7610 A 2722 1u 1N4148 2732 1u 1 2 3 4 5 ...

Page 41: ...65 000 07442 Belt FR 39 9965 000 10047 Flex Socket 5pin Hort 40 2 9965 000 10048 Flex Socket 8pin Hort 40 3 9965 000 10049 Mode Switch 40 4 4822 116 83883 470R 5 0 5W 40 5 9965 000 10050 Spacer 40 6 9965 000 10051 Photo Interrupter 40 7 9965 000 07443 Box Switch 40 8 9965 000 10052 Spring Sw 61 9965 000 10053 Spring 62 9965 000 10054 Spring Note Only the parts mentioned in this list are normal ser...

Page 42: ...6 Assembly Motor 36 9965 000 12114 Belt SF 37 9965 000 07442 Belt FR 39 9965 000 12115 Flex Socket 5pin Hort 40 2 4822 265 11535 Flex Socket 8pin Hort 40 3 9965 000 10049 Mode Switch 40 4 4822 116 83883 470R 5 0 5W 40 5 9965 000 12116 Spacer 40 6 9965 000 10051 Photo Interrupter 40 7 9965 000 07443 Box Switch 40 8 9965 000 10052 Spring Sw 61 9965 000 10053 Spring 62 9965 000 10054 Spring Note Only...

Page 43: ...494 22nF 10 25V 2743 2238 916 15641 22nF 10 25V 2747 4822 126 14549 33nF 16V 2761 4822 124 40196 220uF 20 16V 2768 4822 124 40756 1uF 20 100V 2769 4822 126 14238 2 2nF 50V 2770 4822 126 14238 2 2nF 50V 2780 4822 124 81151 22uF 50V 2781 5322 126 11583 10nF 10 50V 2781 4822 122 33177 10nF 20 50V 2782 4822 126 13193 4 7nF 10 63V 2784 4822 121 51305 15nF 10 50V 2785 4822 124 21913 1uF 20 63V 2786 4822...

Page 44: ... 27k 5 0 062W 3796 4822 051 30475 4M7 5 0 062W 3797 4822 051 30563 56k 5 0 062W 3800 4822 051 30223 22k 5 0 062W 3800 4822 051 20223 22k 5 0 1W 4701 4822 051 30008 0R Jumper 0603 4702 4822 051 30008 0R Jumper 0603 4705 4822 051 30008 0R Jumper 0603 4707 4822 051 30008 0R Jumper 0603 4708 4822 051 30008 0R Jumper 0603 4709 4822 051 30008 0R Jumper 0603 4710 4822 051 30008 0R Jumper 0603 4711 4822 0...

Page 45: ...offset compensation However the circuitry offers some new aspects for checking the system the Monitor voltage shows if the sensitivity is set correctly attention ESD sensitive line CD DA 150mV CD RW 180mV the Focus search algorithm is divided into 4 steps 1st step CD DA sensitivity 2nd step CD DA enforced sensitivity 3rd step CD RW sensitivity 4th step CD RW enforced sensitivity The used sensitivi...

Page 46: ...UPPLY 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 short circuits the laser diode to ground For proper functionality of the CD drive this solder joint must be removed after connecting the drive to the set Emergency open CAUTION Service hints Dismantling of Drawer 1 Open the...

Page 47: ...able as open drain RKILL 35 O KILL output for right channel configurable as open drain CDTRDY 36 O CD text output to microcontroller ready flag CDTDATA 37 O CD text output data to microcontroller CDTCLK 38 I CD text microcontroller clock input CFLAG 39 O correction flag output open drain VSSD1 40 SUP digital ground 1 VDDD1 41 SUP digital supply voltage 1 SDI 42 I serial data input loopback WCLI 43...

Page 48: ...M7072A 5V 3 3V 5V 3 3V 1 8V 8V 7802 ANALOG ANALOG VDD1 41 3 3V 3 3V 1 3 3V 3822 1Ω SDA STATUS IIS SCLK IIS WCLK AU IIS DATA CD IIS DATA VDDA1 Vref D1 D2 D3 D4 R1 R2 55 51 62 53 52 56 48 47 46 42 7 SCL SILD 54 RAB DOBM RESET CD MAIN BOARD 5V uP FRAME uP CLK uP DATA uC RESET TRAY IRQ TRAY I2C SCLK TRAY 2C SCL TRAY OUT SW INFO TRAY IN 12V GND 12V 1810 6 7 8 2 3 4 5 1 6 7 8 2 3 4 5 1 NC 1805 1800 6 8 ...

Page 49: ...814 C3 2820 B3 2830 A4 3811 D2 Indication Tray Position MOTOR DRIVER 3820 B3 3830 A4 3831 A3 3832 A3 6830 A4 7810 B4 F810 C1 GND GND 12V 4 5 A B C D A SW_INFO TRAY_OUT 3812 B2 3813 C2 3814 C3 3815 C2 3816 B2 B C D 1810 C1 1 2 3 4 5 1 TRAY MOTOR MOTOR BOARD UL ICD03 05032004 12V 2 3 220R 3831 7 OUT 5 OUT 8 VP 1 7810 AMM7072A THERMAL PROT GND 6 IN 2 IN 3 4 1 2 3 4 5 6 7 8 4 1 2 08FMN STK A 1810 to f...

Page 50: ...D2 70 VDDD3 8 VREF_OUT 5 VSSA1 17 VSSA2 20 VSSA3 TEST3 79 TEST4 71 V1 72 V2 73 V3 74 V4 75 V5 7 VDDA1 16 4 SENSE 59 SFSY SILD 55 SL 66 56 STATUS 58 SUB 76 TEST1 77 TEST2 78 RESET RKILL 35 60 SBSY 53 SCL 44 SCLI 48 SCLK 52 SDA 42 SDI MOTO2 19 OSCIN 18 OSCOUT 13 R1 R2 14 RA 64 54 RAB 57 RCK 51 FO 6 IREF LASER 80 34 LKILL 1 LPOWER 3 MONITOR 67 MOTO1 68 23 DAC_RP 22 DAC_VPOS 27 DAC_VREF 24 DATA 46 62 ...

Page 51: ...2 B5 2803 D4 2804 B5 2809 D4 2819 D3 2828 B3 2831 B4 7802 B2 9801 B5 9802 D5 9804 B4 9805 B5 9806 A3 9807 B4 9808 B4 9809 B4 9810 A2 9811 C5 9813 B5 9814 D2 9815 C2 9816 D2 9817 B1 9818 B3 9819 B5 9820 C5 9821 C5 9822 D1 9823 D2 9824 D2 9826 B1 9828 C2 9829 B3 WIRED COMPONENTS SURFACE MOUNTED COMPONENTS Turntable Motor Slide Motor ...

Page 52: ...3 304 71830 GEARWHEEL 206 3103 304 71910 DRIVING BELT 207 3103 308 54160 MOTOR ASSY 210 3103 301 06660 SPRING SUPPORT 220 3103 304 71790 SUPPORT CD 222 4822 529 10387 RUBBER DAMPER CD DRIVE FRONT 223 4822 529 10387 RUBBER DAMPER CD DRIVE FRONT 230 3103 308 11940 CLAMPER ASSY DA11 240 3103 309 05380 CD DRIVE MCD2 240 3103 309 05390 CD DRIVE DA12T3 8001 3103 308 93611 FLEXFOIL CABLE 16P 88mm BD 8002...

Page 53: ...28 12kΩ 1 0 06W 3825 5322 117 13033 15kΩ 1 0 06W 3828 4822 051 30152 1 5kΩ 5 0 06W 3831 4822 051 30103 10kΩ 5 0 06W for DA12 drive only 3832 4822 117 12971 15Ω 5 0 06W 3833 4822 051 30152 1 5kΩ 5 0 06W 3834 4822 051 30101 100Ω 5 0 06W 3835 4822 051 30103 10kΩ 5 0 06W for MCD2 drive only 3836 4822 117 13608 4 7Ω 5 0 06W 3837 4822 051 30152 1 5kΩ 5 0 06W 3838 4822 051 30102 1kΩ 5 0 06W 3839 4822 051...

Page 54: ... A9 BYTE 47 26 CS DQ0 29 DQ1 31 DQ10 34 36 DQ11 DQ12 39 DQ13 41 DQ14 43 DQ15 A 1 45 A0 25 A1 24 6 A10 5 A11 A12 4 3 A13 A14 2 1 A15 48 A16 17 A17 A18 16 23 A2 A3 22 100n 2460 7450 M29W800DB 70NG 100n 2454 XF 27 F419 32 MP MC MSC 26 24 MSTRB NMI 63 PS 20 READY 19 RS 98 23 R W 88 TCK 86 TDI 85 TDO TMS 89 TOUT 82 87 TRST X1 96 X2 CLKIN 97 HDS2 129 HINT 51 30 HOLD 28 HOLDA 80 HPI16 HPIENA 92 HRDY 55 H...

Page 55: ...2 D3 2464 C3 3453 B1 3456 B1 3457 D2 3458 D2 3459 C3 3460 C3 3461 C2 3464 C3 3466 A2 3469 C2 3471 D2 3478 B2 3485 C2 3486 C2 3488 C1 3489 C2 3491 B1 3492 B3 3493 C2 3494 A1 3495 A2 3497 B2 3498 D2 4451 C1 4453 C2 5450 D3 6450 C3 6451 D2 7452 C3 7453 C3 7455 D3 7456 C2 7460 C2 1451 B5 1455 A4 2450 C1 2451 B2 2452 C2 2453 C1 2454 B2 2455 D2 2457 A2 2458 A3 2461 D3 2463 A3 2465 D4 2466 A4 2467 B4 246...

Page 56: ...PERSONAL NOTES 10 12 10 12 ...

Page 57: ...channel LOZ to the left One channel gets inverted clock to balance supply loading Modulator The modulator forms the pulse width modulated signal For each channel a seperate modulation is required Power FETs The FETs require drivers which supply the gates One for the high side FET and one for the low side FET Because of the different supply voltages also an additional level shifter is necessary per...

Page 58: ...in turn disables speaker relay 1201 Adjustments The gain of the class D amplifier is 24dB adjusted by the feedback resistors 3155 3136 3149 and the input resistors 3139 3340 The input reference voltage for 7122 A is approx half the supply therefore 3144 3148 are used for offset compensation This compensation has to be fine tuned with trimpotentiometers 3306 and 3307 to obtain 1mV DC output Service...

Page 59: ...ling edge The modulator frequency is still fixed to 500kHz Similar to a frequency modulation in this case the amplitude of the analog audio signal varies the pulse width the frequency defines the speed Measuring point G The low side driver signal G1 Ch2 is the modulator output level shifted by transistor 7128 The high side driver signal G2 Ch1 is the inverted low side driver signal level shifted b...

Page 60: ...following supplies 12V_A 12V_M 5V6 5V_AMP Pre Amplifier mute circuit Adjustment of offset 500kHz Square wave Oscillator Headphone Amplifier Subwoofer out provisional only Port Expander shift register Generation of 5V_CD Fan control Modulator Driver Level shifter Power FETs Protection circuits Modulator Driver Level shifter Power FETs Protection circuits Speaker relay p Chapter 11 5 Signal flow Cha...

Page 61: ...GND_A 50V 1u0 2592 GND_A GND_A 470p 2564 F029 2500 1u0 50V F025 GND_A 3542 12K 2555 16V 47u GND_D F022 1u0 50V 2528 150K 3531 3518 1K5 GND_A 2540 to 2583 to 2584 1u0 12V_M GND_A BZX79 C10 6500 GND_A BAS316 GND_D GND_A 6504 GND_A GND_D GND_A 5V6 12V_A 4n7 2574 BZX384 C47 6506 F050 2519 2588 2n2 100n 12V_M BC847B 7511 GND_A GND_A GND_A 39K 3545 GND_A 7505 BC847BW BC857BW 7506 GND_A 2585 100n 2565 47...

Page 62: ...0p 3409 27K 3401 470R 50V 1u0 2403 7403 BC817 25W 12 8 2 3 1 13 16 15 14 4 5 6 7 9 10 11 8 BIT I O EXPANDER Φ M62320FP 7406 3428 10K 10K 3427 F409 9499 GND_D 100p 2404 2K2 3434 BC817 25W 7409 F402 F405 F408 F406 F403 100p 2400 10K 3424 27K 3403 2417 1u0 GND_D 7 8 4 3410 3K3 NJM4556AM 7400 2 5 6 1K0 3432 7407 3426 33R BC817 25W 470p 2401 3415 27K 2411 100p 33R 3429 3419 2K2 100p 2418 GND_A 3435 270...

Page 63: ...350 GND_D GND_SHIELD 3323 820R 7321 LM317P A I O 6K8 3305 22R 3304 1M0 3324 1u0 2339 TL431ACLP 7311 2 1 3 GND_SHIELD F221 10u 2337 3346 47R 3340 330R 1K0 3321 F236 2322 100n 1K0 3334 2 47u 2304 7312 1 74HCU04D 1 3331 10K 3339 2K2 2331 2313 7406 1n0 50V 4u7 50V 22u 2328 220R 3313 BC817 25W 7324 3318 100K 2324 4u7 F235 F228 7323 BC817 25W MUTE MUTE 8 4 2316 100n 7320 1 NJM4560M 3 2 1 47u 2321 2340 2...

Page 64: ...00n 6111 BAS316 2136 100n 2128 3101 7129 BC856B 0R033 2108 330n 2116 10n 10n 2104 1n0 2118 3129 1K0 100K 3110 50V 330u 2139 2124 220u 3143 1K0 4K7 3136 1K2 3142 100p 2126 5101 GND_SHIELD GND_SHIELD 30u 11 5A 10 5Y 13 6A 12 6Y 7 GND 14 VCC GND_SHIELD 7118 74LV14D 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 3Y 9 4A 8 4Y 4n7 2119 5K6 3133 GND_SHIELD Combi board P2003 150W class D 05 12 03 F102 1K0 OSCILLATOR 3125 712...

Page 65: ... 4Y 11 5A 10 5Y 13 6A 12 6Y GND 7 VCC 14 4K7 3210 7 VCC 14 7209 74LV14D 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 1 1A 2 1Y 3 2A 4 2Y 5 3A 6 3Y 9 4A 8 4Y 11 5A 10 5Y 13 6A 12 6Y GND 1 74LV14D 7235 1307 RED1 2237 470p GND_PROTECT 3269 10R 7244 BC817 25W 7245 BC817 25W 6216 1N4148 GND_SHIELD BC817 25W 7243 5201 30u 74HCU04D 7232 4 3247 100R 4K7 3248 1K0 3213 1K0 3211 10 3237 10K 74HCU04D 7232 5 11 6211 BAV99 COL B...

Page 66: ... C9 3555 A1 3556 B1 3557 C8 3558 A1 3559 A1 3560 B7 3561 A1 3562 B1 3563 C7 3564 C7 3566 C8 3567 G9 3568 C7 3569 B1 3570 B1 3571 B7 3574 B7 3575 B7 3576 B7 3577 B7 3578 A7 3579 A7 3580 B8 3581 B7 3582 C10 3583 C11 3584 C11 3585 B11 3586 C11 3587 B11 3588 B10 3589 B10 3591 G9 4211 B2 4212 B8 4213 C2 4214 D5 4216 C3 4217 B2 4223 B7 4226 F6 4230 G9 4232 C7 4233 A8 4235 C3 4240 A2 4241 A2 4245 B7 4253...

Page 67: ... C9 3555 A1 3556 B1 3557 C8 3558 A1 3559 A1 3560 B7 3561 A1 3562 B1 3563 C7 3564 C7 3566 C8 3567 G9 3568 C7 3569 B1 3570 B1 3571 B7 3574 B7 3575 B7 3576 B7 3577 B7 3578 A7 3579 A7 3580 B8 3581 B7 3582 C10 3583 C11 3584 C11 3585 B11 3586 C11 3587 B11 3588 B10 3589 B10 3591 G9 4211 B2 4212 B8 4213 C2 4214 D5 4216 C3 4217 B2 4223 B7 4226 F6 4230 G9 4232 C7 4233 A8 4235 C3 4240 A2 4241 A2 4245 B7 4253...

Page 68: ...2559 C3 2568 B11 2581 B11 2583 A6 2584 B3 2591 C2 2592 B1 3100 E6 3139 E10 3251 E7 3304 E7 3306 D9 3307 D7 3315 E7 3327 C9 3329 D9 3406 C11 3411 D2 3412 E3 3440 B3 3534 C4 3572 A4 3573 A5 5100 G11 5101 G10 5102 G8 5103 H9 5105 G10 5200 H7 5201 G6 5202 G7 5203 G5 5204 G6 5300 E8 5302 E8 5303 E7 5500 B2 6216 F2 6401 B7 6500 A8 7109 G11 7121 G10 7218 G6 7231 G5 7311 E8 7315 F2 7321 E2 7402 E3 8200 H5...

Page 69: ...2559 C3 2568 B11 2581 B11 2583 A6 2584 B3 2591 C2 2592 B1 3100 E6 3139 E10 3251 E7 3304 E7 3306 D9 3307 D7 3315 E7 3327 C9 3329 D9 3406 C11 3411 D2 3412 E3 3440 B3 3534 C4 3572 A4 3573 A5 5100 G11 5101 G10 5102 G8 5103 H9 5105 G10 5200 H7 5201 G6 5202 G7 5203 G5 5204 G6 5300 E8 5302 E8 5303 E7 5500 B2 6216 F2 6401 B7 6500 A8 7109 G11 7121 G10 7218 G6 7231 G5 7311 E8 7315 F2 7321 E2 7402 E3 8200 H5...

Page 70: ... B3 2228 B3 2230 C5 2231 B5 2232 B5 2233 B5 3200 B5 3201 D5 3202 B5 3203 D5 3204 C2 3205 D5 3206 C1 3207 B3 3211 B2 3212 B2 3213 B3 3215 B2 3217 B4 3218 B3 3219 A3 3220 B2 3221 A2 3222 B2 3223 C5 5001 C3 5202 B1 5203 B1 5204 A3 6200 D5 6201 D5 6202 B4 6204 D5 6206 A5 6207 A5 6209 A5 6210 A5 6211 D5 6212 D5 6213 B2 6215 B3 6216 B3 6217 B2 6219 B2 6220 A3 6221 B3 6222 A3 6223 B2 6224 B3 6225 B2 6226...

Page 71: ...m8 T1A6 1201 3212 4M7 4 SDKP 1206 2 5 3 6 1 1207 19372 19372 2219 2n2 2211 T2A 3m3 1N4003 6226 2216 10u 2232 3300u OZ 1208 4 3 5 7 6 8 1 2 2224 10n MAINS_2 Vkk MAINS_2 AMP AMP PWR_DWN LOW_PWR_CTRL D2 D2 D AMP AMP 5V6_ECO LOW_PWR_CTRL NTC PWR_DWN F2 F1 Vkk 12V_RELAIS D2 D MAINS_1 MAINS_2 5V6_ECO 12V_RELAIS MAINS_1 NTC F1 F2 DISPLAY Power2003 150W ClassD Mains Board Circuit Diagram 2003 12 03 0201 D...

Page 72: ... 4822 122 33496 100nF 10 63V 2101 2222 580 15649 100nF 10 50V 2102 2022 031 00196 220µF 20 50V for 150W only 2103 2222 580 15649 100nF 10 50V 2104 5322 126 11583 10nF 10 63V 2106 5322 126 11578 1nF 10 63V 2108 5322 126 11583 10nF 10 63V 2109 4822 124 80483 47µF 20 6 3V 2110 3198 017 41050 1µF 20 10V 2111 4822 124 21913 1µF 20 63V 2112 4822 126 13883 220pF 5 50V 2113 3198 017 41050 1µF 20 10V 2114 ...

Page 73: ...6W for 75W only 3216 4822 051 30223 22kΩ 5 0 06W ELECTRICAL PARTSLIST POWER 2003 75 150W Class D COMBI BOARD RESISTORS 3217 4822 117 13632 100kΩ 1 0 06W 3218 4822 051 30472 4 7kΩ 5 0 06W 3221 4822 051 30103 10kΩ 5 0 06W 3225 4822 117 12903 1 8kΩ 1 0 06W 3227 4822 051 30103 10kΩ 5 0 06W 3228 4822 051 30103 10kΩ 5 0 06W for 150W only 3228 4822 051 30153 15kΩ 5 0 06W for 75W only 3229 4822 051 30103 ...

Page 74: ... 536 00612 30µH for 75W only 5102 2422 549 44944 Mains Filter 330µH 3A 5103 4822 157 11411 FERRITE BEAD 5105 2422 536 00686 20µH for 150W only 5200 4822 157 11411 FERRITE BEAD 5201 2422 536 00612 30µH for 75W only 5202 2422 549 44944 Mains Filter 330µH 3A 5203 4822 157 11411 FERRITE BEAD 5204 2422 536 00686 20µH for 150W only 5300 2422 540 98542 Resonator 500kHz 5302 2422 540 98561 Resonator 425kH...

Page 75: ...MCM8 Exploded View_3139 119 37991_dd wk0407 1105A 1105B 1105C 1105D A B 12 1 12 1 SET MECHANICAL EXPLODED VIEW ...

Page 76: ...acket Module Mounting 0165 3139 113 27140 Foot Rubber 4mm 0166 3139 113 27140 Foot Rubber 4mm 0170 3139 114 73930 Door Cassette ETF SD Left 0171 4822 529 10322 Damper Assembly 0172 3139 114 68640 Push Catch Left 0173 4822 492 11344 Spring Compression 0174 4822 402 11245 Bracket Left 0175 3139 111 01390 Spring Torsion Left 0176 4822 492 42787 Spring Cassette 0180 3139 114 76040 Panel Left 0181 3139...

Page 77: ...tion of MCM8 25 Page 6 7 Front Board Display part Variant Table adapted Page 6 14 to 6 15 Front Board Electrical parts list adapted Page 12 2 Mechanical Accessories parts list adapted Chapter 11 Power 2003 Module 75 150W Class D Update 1 Missing safety signs added Refer to schematic diagrams 1 3 and partslist ...

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