Philips FW-C280 Service Manual

Philips FW-C280 Service Manual

Mini system
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Mini System
Service
Service
Service
Service Manual
©
Copyright 2000 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 KC 0050 Service Audio

TABLE OF CONTENTS

Location Of Pc Boards & Version variations ................ 1-2
Technical Specifications ............................................. 1-3
Measurement Setup .................................................... 1-4
Service Aids, Safety Instruction, etc. .......................... 1-5
Instruction for use: European version excerpt .......... 2-1
Disassembly Instructions & Service positions ........... 3-1
Service Test Programs ............................................... 3-4
Set Block Diagram ......................................................... 4
Set Wiring Diagram ........................................................ 5
Front Board .................................................................... 6
Tuner Board: ECO5 Sys .......................................... 7B
Tuner 95 ............................................. 7D
Etf7 Tape Module ........................................................ 9
3CDC-LC-MB Module ............................................... 10A
Combi Board ................................................................ 11
Set Mechanical Exploded view & parts list ................. 12
Printed in The Netherlands
Subject to modification
FW-C280/
Page
CLASS 1
LASER PRODUCT
GB
22/34
COMPACT
DIGITAL AUDIO
3139 785 22610

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Summary of Contents for Philips FW-C280

  • Page 1 LASER PRODUCT © Copyright 2000 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 LOCATION OF PC BOARDS VERSION VARIATIONS: Type /Versions: FW-C280 Features & Board in used: Incredible Surround Karaoke News Rotary Encoder (volume control) Jog Shuttle Voltage Selector Aux Input Digital Output Headphone Socket Line Output Subwoofer Output Surround Output Matrix Surround Loudspeakers...
  • Page 3 SPECIFICATIONS GENERAL: AMPLIFIER: : 2 x 35W ± 1dB Mains voltage : 220-230V for /22/34 Output power (6Ω, 1 kHz, 10% THD) Mains frequency : 50Hz Frequency response within -3dB : 50Hz-15kHz Power consumption : < 25W at Standby Dynamic Bass Boost : DBB ON, DBB Off <...
  • Page 4 MEASUREMENT SETUP Tuner FM 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 SERVICE AIDS Service Tools: ESD Equipment: Universal Torx driver holder ........4822 395 91019 Anti-static table mat - large 1200x650x1.25mm ... 4822 466 10953 Torx bit T10 150mm ..........4822 395 50456 Anti-static table mat - small 600x650x1.25mm ..4822 466 10958 Torx driver set T6 - T20 .........
  • Page 6 WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically. de levensduur drastisch doen verminderen. When repairing, make sure that you are Zorg ervoor dat u tijdens reparatie via een connected with the same potential as the mass...
  • Page 7 DISMANTLING INSTRUCTIONS Dismantling of the Cassette Cover Dismantling of the Front Panel 1) With the CDC tray opened remove the Cover Tray CDC (pos 107) as indicated. 2) Loosen the 8 screws to separate the Front Panel from the 2. Twist screw driver rear portion.
  • Page 8 Dismantling of Assemblies on the Front Panel Dismantling of Rear Portion 1) Remove 1 screw H & uncatch C1 to loosen the Mains 1) Remove the Volume and Jog Rotary knobs (pos 145 & socket board. 146) as per step 1 and 2 of Dismantling of the Cover 2) Remove 2 screws F, 2 screws G and uncatch C2 to Control on the Front .
  • Page 9 Service pos A Service pos C Service pos B Service pos D Note: 1. During repair it is possible to disconnect the following assemblies or modules while working on other areas: - Tuner Board - 3CDC Module 2. Flex cables are very fragile, care should be taken not to damage them during repair.
  • Page 10 SERVICE TEST PROGRAM To start service test program hold P & AUX depressed while plugging in the mains cord S refers to Service Mode. Display shows the ROM version * V refers to Version. "S-Vyy" (Main menu) yy refers to Software version number of Processor. (Counting up from 01 to 99) TUNER QUARTZ...
  • Page 11 SET BLOCK DIAGRAM VCD MODULE SA BUFFER HEADPHONE SUBWOOFER OUT SIMPLE KARAOKE COMBI For 12W set Only POWER SOUND PROCESSING HEADPH0NE AMPLIFIER For 25W set AMPLIFIER Only BASS ALC POWER SUPPLY FRONT TRAFO FRONT Updated on 10-06-99...
  • Page 12 SET WIRING DIAGRAM ECO5 / TUNER95 # 3CDC SERVO FOR VCD ECO5 TU95 CDC KEY FRONT ECO-MTF/ ETF7 HEADPHONE ECO-MTF ETF7 # MPEG-ESS KARA HEADPHONE COMBI MAINS M/TOP B3P-VH 3CDC LC NOT FOR CDC-LC 3CDC 99 HUM AND EMC SHIELD FOR TAPE DECK LOGIC...
  • Page 13 FTD DISPLAY PIN CONNECTIONS FRONT BOARD 1G - 8G TABLE OF CONTENTS FTD Display pin connection ..........6-1 Variation Table ..............6-2 Circuit diagram ..............6-3 Component Layout ............6-4 Chip layout ............... 6-5 Electrical parts list ............6-6 j , p j , p j , p j , p...
  • Page 14 820R A53950 FW-C100/21/21M/22/30/33/34/37, FW-C105/21 3457 820R 820R 820R 820R 820R 820R 820R 820R A53970 FW-C250/37 3458 A53980 FW-C250/21 3460 A53990 FW-C280/22/34 3465 A54000 FW-C290/21 3471 A54340 FW-C200/30 3475 820R 820R 820R 820R 820R 820R 820R 820R A54450 FW-C150/37 3479 3483...
  • Page 15 CIRCUIT DIAGRAM 21 I16 3446 D10 4417 E16 23 H18 3447 D10 4436 C16 26 M2 3448 D16 4446 D4 27 K2 3449 D16 4588 E18 28 I3 3451 D16 4589 B2 +LED2 +LED2 29 H2 3452 E16 4590 B3 1400 B5 3453 D6 5400 G8...
  • Page 16 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 3412 pt 3a dd wk031...
  • Page 17 CHIP 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. Some location on this board is prepared for both 0603 & 0805 SMDs footprint, in such locations 0603 SMDs may be substituted. 3139 113 3412 pt 3a dd wk031...
  • Page 18 ELECTRICAL PARTS LIST - FRONT BOARD ELECTRICAL PARTS LIST - FRONT BOARD MISCELLANEOUS 1401 2422 025 14546 Flex Socket 16pin Hort. 2427 4822 122 33127 2,2nF 10% 63V 3427 4822 051 10102 1k 2% 0,25W 3484 4822 051 10102 1k 2% 0,25W 1404 4822 265 11531 Flex Socket 9pin Hort.
  • Page 19 ELECTRICAL PARTS LIST - FRONT BOARD ELECTRICAL PARTS LIST - FRONT BOARD RESISTORS 3548 4822 051 10102 1k 2% 0,25W 4421 4822 051 20008 0R Jumper 0805 4474 4822 051 20008 0R Jumper 0805 4527 4822 051 20008 0R Jumper 0805 3549 4822 117 10833 10k 1% 0,1W 4422 4822 051 20008...
  • Page 20 ELECTRICAL PARTS LIST - FRONT BOARD DIODES 6420 4822 130 30621 1N4148 6421 4822 130 30621 1N4148 6425 4822 130 31878 1N4003G 6426 4822 130 31878 1N4003G 6428 4822 130 30621 1N4148 TRANSISTORS & INTEGRATED CIRCUITS 7400 4822 209 31981 SAA6579T 7401 3139 110 52521 TMP87CS71F “290S52521”...
  • Page 21 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 Decoder frontend Mixer Det. stereo Version FM-Osc.
  • Page 22 7B-2 7B-2 7B-2 TUNER ADJUSTMENT TABLE ( ECO5 FM/MW- and FM/MW/LW - versions with AM-frame aerial ) Waverange Input frequency Input Tuned to Adjust Output Scope/Voltmeter VARICAP ALIGNMENT 8V ±0.2V 108MHz 5130 87.5 - 108MHz 4.3V ±0.5V 87.5MHz (65.81 - 74, 87.5 - 108MHz) check (1.2V ±0.5V) (65.81MHz)
  • Page 23 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 9128 1131 I20 450 kHz 450 kHz...
  • Page 24 7B-4 7B-4 ELECTRICAL PARTS LIST - ECO5 TUNER BOARD ELECTRICAL PARTS LIST - ECO5 TUNER BOARD MISCELLANEOUS 2158 5322 122 32448 10pF 5% 50V 3176 4822 051 10102 1k 2% 0,25W 7102 4822 130 60093 2SA838B for LW version for RDS version 1101 4822 267 31505 Antenna Socket 300R 2159 5322 122 32659...
  • Page 25 7D-1 7D-1 7D-1 BLOCKDIAGRAM IF-AM IF-AM AM-DET 10,7MHz 450kHz 450kHz 450kHz 1121 VCC1 5111 5112 5114 VCC2 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...
  • Page 26 7D-2 7D-2 7D-2 1102 2107 2128 2136 2144 2160 3120 3132 3143 3153 3163 3176 3188 5111 6106 7110 9108 9121 1103 2108 2129 2137 2145 2161 3123 3134 3144 3154 3164 3177 3192 5112 6107 7122 9111 9123 TUNER 95 bis Adjustment Table (FM, MW, LW with Frame antenna) 1110 2109 2130...
  • Page 27 7D-3 7D-3 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 28 7D-4 7D-4 ELECTRICAL PARTS LIST - TUNER 95 BOARD ELECTRICAL PARTS LIST - TUNER 95 BOARD MISCELLANEOUS 1102 4822 267 10283 Socket Coaxial IEC 75R 3125 4822 116 83864 10k 5% 0,5W 5107 4822 157 11443 FM Discriminator 10,7MHz 1103 4822 265 31184 JST Connector 2 pin 3128 4822 116 52256 2k2 5% 0,5W...
  • Page 29 Tapedeck wiring (Double deck) TO ETF BOARD CONNECTOR 1770 (ND) 14P CONNECTOR 1740 (DB) 14P CRO2* CRO2* * Not for Ferro version ETF7 TAPE MODULE (Non-Dolby Version) MODE TAPE DECK MOTOR Mechanism B Mechanism A TO ETF BOARD TO ETF BOARD CONNECTOR 1730 (3P) CONNECTOR 1710 (ND) 5P CONNECTOR 1720 (DB) 6P...
  • Page 30 BLOCK DIAGRAM Line-In ATTEN 7710 7720 PB Out 9792 # Playback PRE-AMPLIFIER SOURCE SEL ATTEN Head HEF4952BT AN7318S For Dolby version only ALCEN 1A0 1A1 1A2 PB In PB Out 7630 Rec current DOLBY B NR REC Out 7740 Rec/Pb Rec In CXA1101M Head...
  • Page 31 Brief introduction General 13. Motor Speed (For FR versions only) Playback Mode During High speed dubbing, a feedback signal from the uP through pin 03 of the IC7610 (HEF4094BT) will trigger the Signal from the playback head Deck A or Deck B is selected and fed through by the Mode Selector IC7710 (HEF4952BT). transistors 7622 (BC847B) and 7616 (BC857B) to cause a change in the voltage level between High and Low, thus changing The signal is amplified by amplifier IC7720 (AN7323S) before feeding to the IC7740 (HEF4952BT) and out to the AF Board via connector 1701.
  • Page 32 CONNECTORS ASSIGNMENTS: CONNECTOR 1740 DECK A & B CONTROL INTERFACE (For Dolby B NR version only) CONNECTOR 1701 INTERCONNECTION TO AF BOARD REC-L Record input left REC REW Record tab protection status switch (reverse) [open=on: close=off] REC-R Record input right CrO2 B Chrome tape detection switch deck B [open=Cr: close=Fe]...
  • Page 33 TAPE MECHANISM ELECTRONICS TAPE ADJUSTMENT & CHECK TABLE ADJUST TEST RECORDER MEASURE READ ON CASSETTE MODE with B Photo Sensor 1. B Rec Switch (REV) Rec-R ADJUST MOTOR SPEED 2. B CrO2 Switch CrO2* PLAY B 3620 3150Hz – 0.5% SBC420 frequency NORMAL SPEED...
  • Page 34 COMPONENT LAYOUT CHIP LAYOUT Some location on this board is prepared for both 0603 & 0805 SMDs footprint, 3139 113 3409 pt2 dd wk0042 in such locations 0603 SMDs may be substituted. 3139 113 3409 pt2 dd wk0042...
  • Page 35 ANALOG CIRCUIT 1701 F9 2705 A2 2712 B6 2719 C5 2726 D4 2735 B3 2745 F5 2765 B4 2785 F1 3705 A4 3712 B4 3719 C6 3726 D5 3733 A2 3744 F8 3753 F5 3760 A7 3767 A7 3774 E3 3781 D2 4794 C6 6774 D3...
  • Page 36 SERVO CONTROL CIRCUIT 1702 A7 1760 B8 2622 D2 2625 E4 3601 B2 3604 C2 3607 C6 3610 D6 3613 B2 3618 A4 3622 A4 3625 B3 3630 A6 3676 C5 3680 C5 3687 D2 4785 D2 6612 B6 7612 A6 7616 A4 7620 B6 7624 D6...
  • Page 37 TAPE MECHANISM - MOTOR EXPLODED VIEW TAPE MODULE EXPLODED VIEW 4822 361 11055 Motor Assembly 1 3139 118 77130 Autoreverse Mech. CWE44FR01 Screw M2,6 x 5 1 3139 118 77140 Non-Autoreverse Mech. CWE44FF02 Chrome/Ferro Screw M2 x 5 1 3139 118 77950 Non-Autoreverse Mech.
  • Page 38 9-10 9-10 TAPE MECHANISM A - PLAY MECHANICAL PARTS - PLAY MECHANISM 9965 000 02313 Play Head (Non-Autoreverse deck) 9965 000 02321 Play Head (Autoreverse deck) 4822 402 10972 Pinch Arm Assembly R 9965 000 02314 Coil Assembly 9965 000 06443 Cam Gear 4822 528 11209 Flywheel Assembly RV...
  • Page 39 9-11 9-11 TAPE MECHANISM B - RECORD/PLAYBACK (Non-Autoreverse version) MECHANICAL PARTS - REC/PB MECHANISM 9965 000 02313 Play Head 9965 000 02600 Head, Erase 4822 402 10972 Pinch Arm Assembly R 9965 000 02314 Coil Assembly 9965 000 06443 Cam Gear 4822 528 11209 Flywheel Assembly RV 44-2...
  • Page 40 9-12 9-12 TAPE MECHANISM B - RECORD/PLAYBACK (Autoreverse version) MECHANICAL PARTS - REC/PB MECHANISM 4822 402 10972 Pinch Arm Assembly R 9965 000 02314 Coil Assembly 9965 000 06443 Cam Gear 4822 528 11209 Flywheel Assembly RV 9965 000 02322 Belt AF 44-2 9965 000 02317...

This manual is also suitable for:

Fw-c280/34Fw-c280/22

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