Philips FR975 Service Manual
Digitale a/v surround receiver
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- Service manual (75 pages) ,
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DIGITALE A/V SURROUND RECEIVER
Service Manual
Safety regulations require that the set be restored to its original
condition and that parts which are indentical with those specified
be used.
Copyright 1995 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, mechanical, photocopying,
or otherwise without the prior permission of Philips.
Published by MD 0016 Service Audio
PCS 102 481
TABLE OF CONTENTS
Location Boards / System info ................................................... 1-2
Technical Specification .............................................................
Service Tool / Measurement setup / Safety ..............................
Warning / Handling Chip components ......................................
Abbreviations ............................................................................ 1-6
Instruction for Use ......................................................................
Dismantling hints / Service positions ......................................... 3-1
Dismantling hints MDM Module ................................................ 3-2
Wiring diagram .......................................................................... 3-3
Block diagram ............................................................................
Service Test program .................................................................
Front Board ...............................................................................
Tuner 95 diagram ......................................................................
ECO 5 Tuner diagram ...............................................................
Multi-Channel Decoding Module ................................................
Mains Board ..............................................................................
Mono Board ...............................................................................
Exploded view ...........................................................................
S-VHS Board ..............................................................................
Exploded view partslist ..............................................................
Partslist Mono Board ................................................................
Printed in the Netherlands
Subject to modification
FR975
/00/01C/17
MX980D
DOLBY
D I G I T A L
Page
1-3
1-4
1-5
2
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6
7A
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Summary of Contents for Philips FR975
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Page 1: Table Of Contents
Copyright 1995 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, mechanical, photocopying, or otherwise without the prior permission of Philips. -
Page 2: Instruction For Use
DISMANTLING HINTS Dismantling of Front Dismantling of mono board Service position monoboard 1) Remove front . See picture 1 2) Remove whole front (disconnect the wires on the mono 1) Bring front in position as shown in picture 6 board coming from front) 2) Snap nok of front in bottom to make front stable . -
Page 3: Dismantling Hints / Service Positions
= Torx M3x6mm ( screw with big head ) 1554 HEADPHONE 3 EH v_sda 1563 SVHS v_scl = Torx 3x10mm = Torx M3x6mm SCREW TERM v_gnd VIDEO P50 Board & FRONT AV SELECTOR VIDEO SELECTOR MDI /FR975 /update 28-03-00 PCS 102 489... -
Page 4: Blockdiagram
Menu navigator 7252 7254 1423 6268 6255 6256 1422 Volume control Source selector 6267 +5mute encoder 6649 Amp Stby Current FR975 buffer 7413 Electric 7416/7417/7418 voltage D i s p l a y selector Only /01 MDI 23-02-00 PCS 102 490... -
Page 5: Service Test Program
SERVICE TEST PROGRAM To start service test program hold Bass & Treble depressed while switching the mains on stands for Service Testprogram Display shows the following message stands for Software Version "S-9xx-Vzz" version number counted from 01 upwards TUNER DISPLAY TEMP. -
Page 6: Front Board
FTD DISPLAY PIN CONNECTIONS HEADPHONE BOARD - COMPONENT VIEW U1 C1 1424 A1 1425 A1 1427 A1 1428 C1 DIGITAL SURROUND PRESET SENS HILO STEREO NEWS COAX 12 OPT 12 MENU CINEMA LINK SMART SOUND HALL MATRIX NIGHT DOWNMIX LOUDNESS HEADPHONE BOARD - COPPER SIDE VIEW 2427 A1 2430 D1... - Page 7 1400 3418 7404 1401 3419 7405 FRONT PART FR965 - FR975 HEADPHONE 1424 1402 3420 7406 1403 3421 7407 1404 3422 7408 1405 3423 7409 2441 2440 1406 3424 7411 1401 1433 3403 3405 1439 1437 1436 1425 220p 220p...
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Page 8: Multi-Channel Decoding Module
7A-1 TUNER 95 BOARD TABLE OF CONTENTS Adjustment table ............7A-2 Blockdiagram ............7A-3 Component layout ........... 7A-4 Circuit diagram ............7A-5 Partslist ..............7A-6 PCS 69 713... -
Page 9: Mains Board
7A-2 TUNER 95 bis Adjustment Table (FM, MW, LW with Frame antenna) Waverange Input frequency Input Set tuned to Adjust Output Scope / Voltmeter VARICAP ALIGNMENT (50) 108 MHz check 7 ... 9V 87.5 - 108 MHz 87.5 MHz check 1.3 ... -
Page 10: Mono Board
7A-3 7A-3 BLOCKDIAGRAM IF-AM IF-AM AM-DET 10,7MHz 450kHz 450kHz 450kHz 1121 VCC1 VCC2 5111 5112 5114 TEA5762 VCC1 FM-IF2 V Stab B FM-IF2I V Stab A AM-MIX Out AM-IF1 In AM-IF2 AM-AFC AFC- AFC+ VCC2 FM FRONTEND WRITE Enable ENABLE STABILIZER DATA DATA... -
Page 11: Exploded View
7A-5 7A-5 1102 1124 2107 2122 2128 2132 2136 2140 2144 2150 2160 3104 3120 3128 3132 3141 3145 3151 3155 3161 3167 3177 3184 3192 5107 5112 5122 6106 7103 7110 1103 1126 2108 2123 2129 2133 2137 2141 2145 2151 2161... -
Page 12: S-Vhs Board
7B-1 7B-1 7B-1 BLOCKDIAGRAM TUNER BOARD ECO 5 systems buffer ampl. Vcc1 Stab Stab Discriminator Vcc2 FM-RF (MPX) 1101 Loop 1124 (1102) LF filter 10,7 MHz 10,7 MHz 10,7 MHz right right Stereo left left Det. Decoder frontend Mixer stereo Version FM-Osc. -
Page 13: Exploded View Partslist
7B-3 7B-3 TUNER BOARD ECO5 / Systems 1101 A 1 1102 B 2 1103 D 2 VERSION PROGRAMMING COMPONENTS 1121 E20 AM-IF1 AM-IF2 1124 G20 5111 5112 1126 E20 T046 1101 1130 I20 T001 6120 3156 3157 3170 remark 1131 I20 9128 450 kHz 450 kHz... -
Page 14: Partslist Mono Board
MULTI-CHANNEL DECODING MODULE TABLE OF CONTENTS Troubleshooting ............8-2 Block-diagram ............Partslist ..............8-4 PCS 102 495... - Page 15 Can sound be heard on ALL module Channels ? Virt. Mode Button pressed? SPDIF - Sony Philips Digital Inter Face *Audio Signals Test Disc 1 = SBC429 4822 397 30184 Connect CD player to Coax 2 Play track 15 of...
- Page 16 MULTI CHANNEL DECODING MODULE 2000 MDM200 Dig Out 1 (coax) Dig Out (AKM) Dig Out Selector Line Dig Out (DSP) 12.288 AK4112 U-bits (AK4110) Dig. Audio Receiver Control DAI1 MEMORY Address-bus (0..15) DSP56362 (3x CY7C1399-12 M27W101) Databus (0..23) LF50CV XSYS LF33CV MCLK0 5-8-10...
- Page 17 ELECTRICAL PARTSLIST - MDM MODULE 1003 3104 217 06390 MDM 2000 MODULE 2702 4822 123 14025 16V 2200U 20% 1701 4822 252 51172 FUSE 0,315A 6800 4822 218 11487 CONN. FIBER-GLASS GP1F32R 1702 4822 252 51172 FUSE 0,315A 6801 4822 218 11487 CONN.
- Page 18 MAINS BOARD TABLE OF CONTENTS Circuit diagram ............Component layout ........... Partslist ..............9-5 PCS 102 300...
- Page 19 3061 E6 VALUE TABLE 5051 A2 Power Version see table 5052 D5 FUSE 1066 FR740 FR760 6051 D6 FR965 FR975 6052 E7 9063 100W not for /17 6053 E6 6055 E7 9063 Only for /01 6056 E7 1054a VALUE TABLE...
- Page 20 10-1 MONO2 BOARD TABLE OF CONTENTS Measurement hint ..........10-2 P50/Speaker/Video Selector layout ......10-3 Circuit diagram Source selector ......10-4 Circuit diagram Volume controle ......10-5 Circuit diagram Supply ..........10-6 Circuit diagram Amplifier ......... 10-7 Component layout ........... 10-8 Mappings Components &...
- Page 21 10-4 10-4 1511 3557 1512 3566 SOURCE SELECTOR PART FR965 - FR975 1513 3567 1514 3571 1511 1515b K1 3572 3950 1516 3573 Tuner L +12V 2508 3574 +12sel +12V 7501 2509 3575 2511 +..V 3513 LC7821 Tuner 2510 3576...
- Page 22 10-5 10-5 10-5 1502 2694 3664 6650 2871 3883 2877 2533 3673 VOLUME CONTROL PART FR965 - FR975 Left 1503 2695 3665 6801 1515a A23 2696 3666 6802 µ +9V Voltage Regulator 100n 7651 2695 1520 2697 3667 6803 HEADPHONE AMPLIFIER...
- Page 23 - Source position : Tuner FM –32V Front Part Mains part supply Part 3334 - No special features ON LEFT & RIGHT & CENTER & SURROUND AMPLIFIER FR760 - FR975 3335 LEU0175/0015 Monoboard Supply FR975 LEU0172/0015 3104 217 06410 / 06430 ..V...
- Page 24 12-1 S-VHS VIDEO BOARD TABLE OF CONTENTS Circuit diagram ............12-2 Component layout ........... 12-3 Partslist ..............12-4 PCS 105 732...
- Page 25 12-2 12-2 1960 1961 SVHS VIDEO SELECTOR 1962 1963 1964 1965 2859 2870 2889 2890 2960 CHROMINANCE +5video1 2961 2962 7965 2963 STV6401 2964 2966 3995 2968 2969 2970 DECODER 3994 1965 2971 2994 2972 +8,5V +8,5V +8,5V 2973 +8video1 +8video1 +8video1 100n...