Table of Contents
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Micro System
TABLE OF CONTENTS
Handling chip components and safety
Technical Specification & Service Tools
..................................................
Service Measurement
................................................
Connections & Controls
.................................................
Instructions for use
...................................................
Disassembly Diagram
........................................
CD Service Test Program
.............................................................
Block Diagram
...........................................................
Wiring Diagram
FRONT BOARD
.......................................................
circuit diagram
.......................................................
layout diagram
COMBI BOARD
..................................................
circuit diagram
.......................................................
layout diagram
TUNER BOARD
...................................................
circuit diagram
..................................................
layout diagram
Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified
be used.
C
Copyright 1995 Philips Consumer Electroncis 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, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Published by SS 0034 Service Audio
PCS 104 581
chapter
.............................
1 - 1
..........................
2 - 1
2 - 2
3 - 1
3 - 2 to 3 - 6
4 - 1
4 - 2 to 4 - 3
5 - 1
5 - 2
6 - 1
6 - 2
7 - 1 to 7 - 3
7 - 4
8 - 1, 8 - 4
8 - 2 to 8 - 3
Printed in The Netherlands
POWER BOARD
.......................................................
circuit diagram
.......................................................
layout diagram
LED BOARD
......................................................
circuit diagram
......................................................
layout diagram
RECORDER BOARD
.................................................
circuit diagram
......................................................
layout diagram
.....................................................
ajustment table
CD MODULE
......................................................
layout diagram
......................................................
circuit diagram
EXPLODED VIEWS DIAGRAM
.................................................................
cabinet
......................................................
tape deck
...............................................
Mechanical partslist
...............................................
Electrical partslist
Copyright reserved
Subject to modification
MC-20
all versions
chapter
9 - 1
9 - 1
10 - 1
10 - 1
11 - 1, 11 - 3
11 - 4
11 - 2
12 - 1
12 - 2
13 - 1
13 - 2 to 13 - 3
13 - 2 to 13 - 3
14 - 1 to 14 - 8
CLASS 1
LASER PRODUCT
3140 785 22420
GB
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Table of Contents
Related Manuals for Philips MC-20
Summary of Contents for Philips MC-20
- Page 1 LASER PRODUCT Copyright 1995 Philips Consumer Electroncis 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, mechanical, photocopying, or otherwise without the prior permission of Philips.
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Page 2: Handling Chip Components
HANDLING CHIP COMPONENTS © ñ WARNING WAARSCHUWING All ICs and many other semiconductors are susceptible to Alle IC´s en vele andere halfgeleiders zijn gevoelig voor electrostatic discharges (ESD). Careless handling during electrostatische ontladingen (ESD). repair can reduce life drastically. Onzorgvuldig behandelen tijdens reparatie kan de levensduur When repairing, make sure that you are connected with the drastisch doen vermindern. -
Page 3: Technical Specifications
TECHNICAL SPECIFICATIONS TUNER - AM SECTION GENERAL Tuning range MW : 531 - 1602 kHz Mains voltage -/21/21M : 120 / 230 V Tuning range LW : 153 - 279 kHz -/22/25/30/33 : 230 V IF frequency : 450 kHz ± 1 kHz Mains frequency -/22/25/30/33 : 50 Hz MW : £... -
Page 4: Service Measurement
SERVICE MEASUREMENT Tuner FW Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter... -
Page 5: Connections And Controls
CONNECTIONS AND CONTROLS PCS 104 583... - Page 6 INSTRUCTIONS FOR USE PCS 104 584...
- Page 7 INSTRUCTIONS FOR USE PCS 104 585...
- Page 8 INSTRUCTIONS FOR USE PCS 104 586...
- Page 9 INSTRUCTIONS FOR USE PCS 104 587...
- Page 10 INSTRUCTIONS FOR USE PCS 104 588...
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Page 11: Disassembly Diagram
DISASSEMBLY DIAGRAM A. To remove Cabinet Rear B. To remove CD Tray C. To remove Tuner Board Bracket D. To remove Combi Board Bracket E. To remove Bottom Plate F. To remove Tape Deck G. To remove Front Board PCS 104 191... -
Page 12: Service Test Program
SERVICE TESTPROGRAM * Door switch is ignored Æ To enter Service CD door can be opened. Testprogram hold * In CD- and Tuner tests the sound settings Volume up/down, Program & Shuffle buttons DSC, IS and DBB function as in normal mode, depressed while but flags will not be indicated on the display in all steps. - Page 13 Abbreviations and Pin-description of CD Ics Abbreviations and Pin-description of CD Ics SERVO PROCESSOR SAA7325H SERVO PROCESSOR SAA7325H SYMBOL DESCRIPTION SYMBOL DESCRIPTION HFREF comparator common mode input microcontroller interface R/W and load control line input (4-wire bus mode) HFIN comparator signal input SILD microcontroller interface R/W and load control line input (4-wire bus mode) ISLICE...
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Page 14: Block Diagram
BLOCK DIAGRAM +12V_S (MC10) +5V6_S A0/A1 +12.5V (MC20) TAPE_REC +5V6_S From MC10 +5V6_S Processor +5V6_S +12.5V (MC20) BUFFER POWER AMP From ECO6 DIGITAL Processor ELECTRONIC 8 OHM VOLUME TUNER MODULE 4 W (MC10) SOURCE CONTROL 8 W (MC20) (Rock, Pop Jazz, I.S.) SELECTOR CONTROL LINES... -
Page 15: Wiring Diagram
WIRING DIAGRAM PCS 104 193... -
Page 16: Front Board - Circuit Diagram
FRONT BOARD - CIRCUIT DIAGRAM 0001 F15 1406 I8 1413 I5 1425 A5 2406 E5 2413 F6 2420 I11 2427 I2 2434 B13 2441 D13 2448 G13 3403 E5 3410 H4 3417 H10 3424 I10 3431 I7 3438 I12 3445 G1 3452 A13 3459 C13 3466 F9... -
Page 17: Layout Diagram
FRONT BOARD - LAYOUT DIAGRAM PCS 99 472... - Page 18 COMBI BOARD (Part 1) - CIRCUIT DIAGARM 1550 A1 2501 B10 2510 E9 2518 E11 2526 F13 2534 G14 2557 G6 2566 D6 3501 B9 3510 E9 3518 E12 3526 H12 3534 G13 3542 I14 3552 A3 3560 E4 3573 H8 3581 B7 3589 G7 7500-C F13...
- Page 19 COMBI BOARD (Part 2) - CIRCUIT DIAGRAM 1330 A13 2331 E4 2334 D5 2337 E9 2340 D9 2343 B11 2346 E12 2349 H10 2353 H7 3331 E5 3334 D5 3337 F9 3340 B10 3343 E9 3346 D9 3349 G7 3352 G11 3356 B5 3360 I5 3363 C7...
- Page 20 COMBI BOARD (Part 3) - CIRCUIT DIAGRAM 0250 G11 2250 E6 2254 E11 2258 G5 2262 D15 2266 B15 3251 A8 3255 B14 3259 C15 3263 D14 3267 F17 3271 H14 3275 H15 3279 J19 3283 C17 6251 D4 6255 D8 6259 D10 6263 E10 6267 B7...
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Page 21: Combi Board - Layout Diagram
COMBI BOARD - LAYOUT DIAGRAM PCS 99 476... -
Page 22: Tuner Board Eco6
TUNER BOARD ECO6 - CIRCUIT DIAGRAM 1101 A2 6120 C13 1102 B1 7101 C8 1103 E2 7103 H8 1110 B2 7104 D2 VERSION PROGRAMMING COMPONENTS 1120 E14 7105 F4 TUNER BOARD ECO6 1130 A2 7109 H3 / SYSTEMS-CENELEC 1131 B2 7110 H12 VERSION AM-IF1... -
Page 23: Tuner Adjustment Table
TUNER BOARD ECO6 - LAYOUT DIAGRAM TUNER ADJUSTMENT TABLE ( ECO6 Cenelec FM/MW - and FM/MW/LW - versions with AM-frame aerial ) Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter VARICAP ALIGNMENT 108MHz check 8V ±1.2V 87.5 - 108MHz (50kHz grid) 87.5MHz check... - Page 24 TUNER BOARD ECO6 (Non Cenelec) - LAYOUT DIAGRAM TUNER ADJUSTMENT TABLE ( ECO6 FM/MW- and FM/MW/LW - versions with AM-frame aerial ) Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter VARICAP ALIGNMENT 2101 B5 2125 D3 2134 D7 2141 C6 2149 D6 2161 A6 2169 A4...
- Page 25 TUNER BOARD ECO6 (Non Cenelec) - CIRCUIT DIAGRAM 1101 A1 1102 B1 1103 F2 1120 E14 1130 A2 TUNER BOARD ECO6 / SYSTEMS NON CENELEC 1131 B1 1132 G13 2101 B3 2103 C7 1101 2104 B3 1130 2106 F3 2107 F4 VERSION PROGRAMMING COMPONETS C-PAD 2119 H6...
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Page 26: Power Board - Circuit Diagram
POWER BOARD - CIRCUIT DIAGRAM POWER BOARD - LAYOUT DIAGRAM 0013 C4 1600 C2 1603 D3 3600 B2 3603 C4 5602 E2 6600 A3 6603 A3 7600 C3 9603 C2 0014 C4 1601 C3 1604 B3 3601 A4 5600 A1 5603 A2 6601 A3 6604 A4... - Page 27 10-1 10-1 LED BOARD - CIRCUIT DIAGRAM LED BOARD - LAYOUT DIAGRAM 3901 C1 6903 B1 6909 B2 3902 C2 6904 A2 6910 A3 3903 C3 6905 B2 6911 B3 3904 C3 6906 B2 6912 B3 6901 A1 6907 A2 8901A B1 6902 B1 6908 B2...
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Page 28: Variant Table
11-1 11-1 RECORDER BOARD ETF6 (Servo) - CIRCUIT DIAGRAM 1703 B1 1770 B7 2623 D2 3601 B2 3604 C2 3607 C6 3610 D6 3613 B2 3618 A4 3623 A3 3626 B6 3672 B4 3678 B5 3685 C2 3688 A5 4784 A1 6611 A2 7610 D4 7614 A6... -
Page 29: Tape Mechanism Electronics
11-2 11-2 TAPE MECHANISM ELECTRONICS TAPE ADJUSTMENT & CHECK TABLE ADJUST TEST MEASURE RECORDER READ ON CASSETTE MODE with ADJUST MOTOR SPEED Motor PLAY B 3620 3150Hz ± 0.5% SBC420 frequency NORMAL SPEED 3150Hz counter PLAY A check 3150Hz -0.8/+1.8% LEFT RIGHT Photo Sensor CHECK WOW &... - Page 30 11-3 11-3 RECORDER BOARD ETF6 (Analog) - CIRCUIT DIAGRAM 1701 F9 3716 B6 5703 F1 1710 C1 3717 C6 6770 E2 1730 A1 3718 D6 6771 E2 2727 2701 B2 3719 C6 6772 D1 2713 3735 3711 3741 2702 B2 3720 D6 6773 D1 REC_L...
- Page 31 11-4 11-4 RECORDER BOARD ETF6 - LAYOUT DIAGRAM PCS 104 199...
- Page 32 12-1 12-1 CD99 DA11 - LAYOUT DIAGRAM 1800 3703 3876 CD99 Board component side view CD99 Board copper side view 1801 3704 3877 1810 3705 3878 1821 3728 3879 1822 3745 3880 2840 5802 1823 3750 3881 1824 3751 3882 2701 3757 3883...
- Page 33 12-2 12-2 12-2 CD99 DA11 - CIRCUIT DIAGRAM 1800 D1 2806 E4 2813 E9 2820 B10 2827 C14 2834 F5 2841 C1 2865 D5 2875 D5 3801 A1 3808 A2 3815 E5 3822 E7 3829 A11 3838 D14 3845 G12 3852 F5 3859 H5 3890 B4...
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Page 34: Exploded View Diagram - Cabinet
13-1 13-1 13-1 EXPLODED VIEW DIAGRAM - CABINET SCREW LIST 1. T2 x 10 2. T2.5 x 10 3. T3 x 6 4. T3 x 8 5. T3 x10 6. T3 x12 7. P/W C2.5 x 10 8. P/W T3 x 6 9. - Page 35 13-2 13-2 MECHANICAL PARTSLIST - CABINET EXPLODED VIEW DIAGRAM - RECORDER MODULE ETF6 3140 117 60030 Cassette Door Assy 4822 462 40692 Rubber Stand 4822 443 10488 Door Cassette 3140 114 29310 Tuner Bracket 4822 492 42787 Spring Cassette 3140 114 34750 Rear Cabinet 3140 114 34880 Front Cabinet Cover...
- Page 36 13-3 13-3 EXPLODED VIEW DIAGRAM - TAPE DECK (CRH44-503) MECHANICAL PARTSLIST - TAPE DECK 482224910521 Rec/Play Head Assy 482252810974 Pinch Roller Arm Assy (R) 482252810975 Pinch Roller Arm Assy (L) 482228111069 Solenoid 482252811304 Flywheel Assy (L) 482252811305 Flywheel Assy (R) 482235810271 Belt 482236110808...
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Page 37: Electrical Partslist - Combi Board
14-1 14-1 ELECTRICAL PARTSLIST - COMBI BOARD ELECTRICAL PARTSLIST - COMBI BOARD - CAPACITORS - - CAPACITORS - - RESISTORS - - RESISTORS - 2251 532212142386 100nF 5% 63V 2516 482212233177 10nF 20% X7R 50V 3250 482205120471 470R 0,1W 3348 482205120223 0,1W 2252... - Page 38 14-2 14-2 ELECTRICAL PARTSLIST - COMBI BOARD ELECTRICAL PARTSLIST - COMBI BOARD - RESISTORS - - RESISTORS - - DIODES - - MISCELLANEOUS - 3541 482205120154 150K 0,1W 4334 482205120008 Jumper 6331 482213030621 Diode 1N4148 1330 824099024940 Socket Headphone 3542 482205120154 150K 0,1W...
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Page 39: Electrical Partslist - Front Board
14-3 14-3 14-3 ELECTRICAL PARTSLIST - FRONT BOARD ELECTRICAL PARTSLIST - FRONT BOARD ELECTRICAL PARTSLIST - FRONT BOARD - CAPACITORS - - CAPACITORS - - RESISTORS - - RESISTORS - - MISCELLANEOUS - 2400 482212233177 10nF 20% X7R 50V 2450 532212234099 470pF 10% X7R 63V 3445... - Page 40 14-4 14-4 14-4 ELECTRICAL PARTSLIST - CD99 DA11 ELECTRICAL PARTSLIST - CD99 DA11 ELECTRICAL PARTSLIST - CD99 DA11 - CAPACITORS - - CAPACITORS - - RESISTORS - - RESISTORS - - RESISTORS - 2801 482212441751 47µF 2855 482212411912 220µF 20% 6,3V 3826 482205120273 0,1W...
- Page 41 14-5 14-5 ELECTRICAL PARTSLISL - TUNER BOARD ECO6 (Cenelec) ELECTRICAL PARTSLISL - TUNER BOARD ECO6 (Cenelec) - CAPACITORS - - RESISTORS - - COILS & FILTERS - 5122 242254944108 Coil 796kHz 2106 202080000204 Var Cap 4,2pF-20pF 100V 3128 482211711449 0,1W 2107 482212151319 1µF 10%...
- Page 42 14-6 14-6 ELECTRICAL PARTSLIST - TUNER BOARD ECO6 (Non Cenelec) ELECTRICAL PARTSLIST - TUNER BOARD ECO6 (Non Cenelec) - CAPACTORS - - RESISTORS - - IC & TRANSISTORS - 7101 935174080557 IC TEA5757H/V1 2101 482212613692 47pF 1% NP0 63V 3132 482205120479 0,1W 7102...
- Page 43 14-7 14-7 ELECTRICAL PARTSLIST - RECORDER BOARD ETF6 ELECTRICAL PARTSLIST - RECORDER BOARD ETF6 - CAPACITORS - - CAPACITORS - - RESISTORS - - RESISTORS - 2621 532212231647 1nF 10% X7R 63V 2781 482212233177 10nF 20% X7R 50V 3718 482211711449 0,1W 3774 482211710833...
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Page 44: Electrical Partslist - Led Board
14-8 14-8 ELECTRICAL PARTSLIST - RECORDER BOARD ETF6 ELECTRICAL PARTSLIST - LED BOARD ELECTRICAL PARTSLIST - POWER BOARD - RESISTORS - - IC & TRANSISTORS - - RESISTORS - - MISCELLANEOUS - 4738 482205120008 Jumper 7792 482213060511 Trans BC847B 3901 482205120121 120R 0,1W...
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