Philips FW-C280 Service Manual Download Page 24

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7B-4 7B-4

ELECTRICAL PARTS LIST - ECO5 TUNER BOARD

MISCELLANEOUS

1101

4822 267 31505 Antenna Socket 300R

1102

4822 267 10283 Antenna Socket Coax IEC 75R

CAPACITORS

2101 5322 122 32531 100pF 5% 50V

2101 4822 126 13692 47pF 1% 63V

for USA

2102 4822 122 33177 10nF 20% 50V

2103 5322 122 34123 1nF 10% 50V

2104 4822 122 33195 100pF 10% 50V

2106 4822 125 50355 Trimmer 4-20pF

for LW version

2106 4822 125 60101 Trimmer 3-11pF 100V

2107 4822 121 51319 1

F 10% 63V

2108 5322 122 32531 100pF 5% 50V

for LW version

2109 5322 122 32448 10pF 5% 50V

for LW version

2120 4822 126 13691 27pF 1% 63V

for LW version

2120 5322 122 32658 22pF 5% 50V

2122 4822 122 33891 3,3nF 10% 63V

for LW version

2125 4822 121 51381 560pF 5% 400V

2126 5322 122 31863 330pF 5% 50V

2127 4822 126 13473 220nF +80/-20% 50V

2128 4822 124 41579 10

F 20% 50V

2129 4822 124 41584 100

F 20% 10V

2130 4822 126 11585 22nF+80/- 20% 25V

2131 4822 122 33325 470nF 16V

2132 4822 122 33325 470nF 16V

2131 4822 126 13482 470nF +80/- 20% 16V

2132 4822 126 13482 470nF +80/- 20% 16V

2133 4822 124 40242 1

F 20% 63V

2134 4822 126 13188 15nF 5% 63V

2134 5322 122 32654 22nF 10% 63V

for USA

2135 4822 124 40746 0,22

F 20% 63V

2136 4822 126 13188 15nF 5% 63V

2136 5322 122 32654 22nF 10% 63V

for USA

2137 4822 124 40746 0,22

F 20% 63V

2138 4822 124 41576 2,2

F 20% 50V

2139 4822 126 14236 50V 15pF 5%

2140 4822 121 51252 470nF 5% 63V

2141 4822 126 10002 100nF 20% 25V

2142 4822 126 10002 100nF 20% 25V

2143 4822 126 13473 220nF +80/-20% 50V

2144 4822 124 40242 1

F 20% 63V

2145 4822 122 33575 220pF 5% 50V

2146 4822 122 33575 220pF 5% 50V

2147 4822 122 33575 220pF 5% 50V

2148 4822 126 11585 22nF+80/- 20% 25V

2149 5322 122 32654 22nF 10% 63V

2150 4822 122 31947 100nF 20% 63V

2152 5322 116 80853 560pF 5% 63V

for East. Europe

2152 4822 126 12105 33nF 5% 63V

2153 4822 122 32139 12pF 2% 63V

for East. Europe

2153 4822 122 32504 15pF 2% 63V

2155 4822 125 60101 Trimmer 3-11pF 100V

2158 5322 122 32448 10pF 5% 50V

for LW version

2159 5322 122 32659 33pF 5% 50V

2160 5322 122 32654 22nF 10% 63V

2161 4822 126 10002 100nF 20% 25V

2163 4822 126 10002 100nF 20% 25V

2164 4822 126 13482 470nF +80/- 20% 16V

2165 4822 126 10002 100nF 20% 25V

2166 5322 122 34123 1nF 10% 50V

2167 4822 122 32139 12pF 2% 63V

2168 4822 126 13695 82pF 1% 63V

RESISTORS

3101 4822 051 20562 5k6 5% 0,1W

for East. Europe

3101 4822 051 20333 33k 5% 0,1W

3102 4822 051 20104 100k 5% 0,1W

3103 4822 117 10965 18k 1% 0,1W

3104 4822 117 11448 180R 1% 0,1W

3105 4822 116 83872 220R 5% 0,5W

3108 4822 117 11449 2k2 1% 0,1W

for LW version

3109 4822 051 20472 4k7 5% 0,1W

for LW version

3110

4822 116 52195 47R 5% 0,5W

3120 4822 051 20008 0R Jumper 0805

3123 4822 051 20472 4k7 5% 0,1W

for LW version

3125 4822 117 10833 10k 1% 0,1W

for LW version

3128 4822 117 11449 2k2 1% 0,1W

for LW version

3132 4822 116 52195 47R 5% 0,5W

3134 4822 051 20223 22k 5% 0,1W

3137 4822 051 20223 22k 5% 0,1W

for LW version

3140 4822 051 20008 0R Jumper 0805

5120=CDA10.7MG40K

3140 4822 117 10353 150R 1% 0,1W

5120=CDA10.7MG61KA

3141 4822 051 20563 56k 5% 0,1W

3142 4822 100 11163 Trimmer 100k 30% 0,1W

3143 4822 051 20223 22k 5% 0,1W

for RDS version

3144 4822 051 10102 1k 2% 0,25W

for RDS version

3145 4822 117 11449 2k2 1% 0,1W

3146 4822 051 20229 22R 5% 0,1W

3152 4822 116 83883 470R 5% 0,5W

3153 4822 051 20471 470R 5% 0,1W

3154 4822 116 83868 150R 5% 0,5W

3155 4822 051 20471 470R 5% 0,1W

3156 4822 051 20104 100k 5% 0,1W

for /21/30/33 only

3157 4822 116 52234 100k 5% 0,5W

for East. Europe

3158 4822 116 83883 470R 5% 0,5W

3159 4822 116 83883 470R 5% 0,5W

3160 4822 116 83883 470R 5% 0,5W

3161 4822 116 83883 470R 5% 0,5W

3167 4822 117 11503 220R 1% 0.1W

3169 4822 051 20154 150k 5% 0,1W

3170 4822 116 52234 100k 5% 0,5W

3171 4822 116 52219 330R 5% 0,5W

3176 4822 051 10102 1k 2% 0,25W

for RDS version

3180 4822 051 20223 22k 5% 0,1W

for LW version

4101 4822 051 20008 0R Jumper 0805

for 2-Band only

4102 4822 051 20008 0R Jumper 0805

for 2-Band only

4103 4822 051 20008 0R Jumper 0805

4104 4822 051 20008 0R Jumper 0805

4105 4822 051 20008 0R Jumper 0805

4106 4822 051 20008 0R Jumper 0805

4108 4822 051 20008 0R Jumper 0805

4111 4822 051 20008 0R Jumper 0805

4120 4822 051 20008 0R Jumper 0805

4150 4822 051 10008 0R Jumper 1206

4151 4822 051 20008 0R Jumper 0805

4152 4822 051 10008 0R Jumper 1206

4153 4822 051 10008 0R Jumper 1206

4154 4822 051 10008 0R Jumper 1206

4155 4822 051 10008 0R Jumper 1206

4156 4822 051 20008 0R Jumper 0805

4157 4822 051 10008 0R Jumper 1206

4158 4822 051 10008 0R Jumper 1206

4159 4822 051 10008 0R Jumper 1206

4162 4822 051 10008 0R Jumper 1206

COILS & FILTERS

5102 4822 157 71634 MW RF Coil

5103 4822 157 71635 LW RF Coil

for LW version

5109 4822 242 70665 Ceram Filter 10,7MHz

5110

4822 242 70665 Ceram Filter 10,7MHz

5111 4822 158 60511 AM-IF Filter 450kHz

5112

4822 157 70302 AM-IF Filter 450kHz

5114

4822 157 70302 AM-IF Filter 450kHz

5119

4822 157 11443 Discriminator 10,7MHz

5120 4822 242 82065 Cer. Disc. 10,7MG40K

5120 4822 242 10251 Cer. Disc.10,7MG61KA-TF21

5121 4822 242 10261 Quartz 75kHz

5122 4822 157 60517 Osc. Coil LW

for LW version

5123 4822 157 60517 Osc. Coil MW

5130 4822 156 30947 RF-Coil 1.5T

5131 4822 156 30947 RF-Coil 1.5T

DIODES

6103 4822 130 30621 1N4148

6104 4822 130 30621 1N4148

6105 4822 130 83075 HN1V02H-B

6106 4822 130 30621 1N4148

6107 4822 130 34488 BZX79-B11

6120 4822 130 30621 1N4148

not for /21/30/33

6130 4822 130 82833 1SV228

6131 4822 130 82833 1SV228

TRANSISTORS & INTEGRATED CIRCUITS

7101 4822 209 90924 TEA5757H/V1

7102 4822 130 60093 2SA838B

7103 4822 130 42513 BC858C

for RDS version

7104 5322 130 44779 BC338-40

for LW version

7105 5322 130 44779 BC338-40

for LW version

7109 5322 130 41983 BC858B

for LW version

7111 5322 130 42136 BC848C

7122 5322 130 42136 BC848C

for LW version

7124 5322 130 42136 BC848C

for LW version

Note: Only the parts mentioned in this list are normal

service spare parts.

ELECTRICAL PARTS LIST - ECO5 TUNER BOARD

Summary of Contents for FW-C280

Page 1: ...gram 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 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 ...

Page 2: ...er volume control x x Jog Shuttle x x Voltage Selector Aux Input x x Digital Output Headphone Socket x x Line Output Subwoofer Output Surround Output Matrix Surround Loudspeakers Standby Clock Display x x Standby Dark Tuner board ECO5 Sys x Tuner board Tuner 95 x Combi board 12W version Combi board 18W version Combi board 25W version x x VERSION VARIATIONS Type Versions FW C280 Features Board in u...

Page 3: ...width 30dB IF rejection 25dB Image rejection 35dB Distortion at RF 50mV m 80 5 AMPLIFIER Output power 6Ω 1 kHz 10 THD 2 x 35W 1dB Frequency response within 3dB 50Hz 15kHz Dynamic Bass Boost DBB ON DBB Off 2 Digital Sound Control Jazz Techno Optimal Rock 2 Incredible Surround IS IS Off 2 VEC Control Hall Cinema Concert 2 Headphone output at 32Ω 16mW Input sensitivity Aux Line in 700mV 2dB at 600Ω C...

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: ...Hz 4822 397 30155 SBC429 Audio Signals disc 4822 397 30184 Dolby Pro logic Test 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 Connector box 1MΩ 4822 320 11307 Extension cable to connect wristband to conn box 4822 320 11305 Connecting cable to connect table m...

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: ... the Cabinet Rear has to be replaced it has to be replaced by one that has a similar slot on the right side of the Cabinet otherwise there is no possibility to disassemble the same set in the future Opening the CDC Tray manually 17mm Turn the Gear inside towards the Front of the Set repeatedly until the Tray CDC starts to open Marking just outside the slot on the Cabinet Rear Dismantling of the Co...

Page 8: ...raoke board is for some version only 2 Remove 12 screws D as indicated to loosen the Front board 3 Remove 6 screws E to loosen the ETF7 Module Dismantling of Rear Portion 1 Remove 1 screw H uncatch C1 to loosen the Mains socket board 2 Remove 2 screws F 2 screws G and uncatch C2 to loosen the Tuner board assembly 3 Remove 5 screws J 3x on the rear and 2x on the heatsink to loosen the Combi board M...

Page 9: ...ing 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 After repair be very sure that the flex cables are inserted properly into the flex sockets before encasing otherwise faults may occurs Service pos D ...

Page 10: ...sed 2 Button pressed 9 Button pressed DISPLAY TEST Display shows Fig 1 and switch all LEDs on Display shows Fig 2 and selected LEDs on see note 1 Figure 1 Figure 2 note 1 DISC1 DISC3 TUNER JAZZ TECHNO and Biplanar if applicable Table 2 Error code E1000 E1001 E1002 E1003 E1005 E1006 E1007 E1008 E1020 E1070 E1071 E1079 Error Description Focus Error Triggered when the focus could not be found within ...

Page 11: ...HEADPH0NE BASS ALC VCD VCD VCD VCD For 12W set Only SA BUFFER AMPLIFIER FRONT For 25W set Only SUBWOOFER OUT TRAFO AMPLIFIER COMBI HEADPHONE VCD MODULE SOUND PROCESSING POWER SUPPLY SIMPLE KARAOKE FRONT POWER Updated on 10 06 99 ...

Page 12: ...DPHONE 3CDC 99 ETF7 TRAFO 4W ECO5 TUNER95 TRAFO MAINS COMBI MPEG ESS HEADPHONE 3CDC SERVO FOR VCD TU95 ECO MTF FRONT CDC KEY ECO5 CVBS OUT VCD 3CDC LC ECO MTF ETF7 MIC M TOP B3P VH KARA LOGIC NOT FOR CDC LC HUM AND EMC SHIELD FOR TAPE DECK ...

Page 13: ... B12 B13 B14 12G S3 S4 11G B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 6G a h j p k b f m g c e r n d Col Dp 5G a h j p k b f m g c e r n d 4G a h j p k b f m g c e r n d 2G a h j p k b f m g c e r n d P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 B14 B12 B7 B6 B5 B3 B13 B11 B7 B6 B3 B2 B9 B8 B4 B1 B10 B9 B8 B4 B2 B1 B14 B12 B7 B6 B5 B3 B9 B8 B4 B1 B10 B9 B8 B4 B2 B1 B13 B11 B7 B6 B3 B...

Page 14: ...table for Front Board ITEM NO A53920 A53930 A53940 A53950 A53970 A53980 A53990 A54000 A54340 A54450 3448 820R 820R 820R 820R 820R 820R 820R 820R 3449 820R 820R 820R 820R 820R 820R 820R 820R 3451 820R 820R 820R 820R 820R 820R 820R 820R 3452 820R 820R 820R 820R 820R 820R 820R 820R 3457 820R 820R 820R 820R 820R 820R 820R 820R 3458 1k 1k 3460 1k 1k 3465 1k 1k 1k 1k 1k 1k 1k 1k 3471 4R7 4R7 4R7 4R7 4R7...

Page 15: ...MAL or JAZZ AUX LED TECHNO H I J K L M 21 I16 23 H18 26 M2 27 K2 28 I3 29 H2 1400 B5 1401 D1 1402 C3 1403 C2 ENABLE PWM 1K 3504 ADC 2u2 5404 10K 3587 2482 100n 2451 100p D 3467 330R 2435 D 100n 2490 1421 47p 10K 3402 D D 1K 3440 3414 1K 3588 10K 1406 D D 47K 3606 4412 D 10K 3459 D 3 CP 2 D 15 E0 4 O0 5 O1 6 O2 7 O3 14 O4 13 O5 12 O6 11 O7 9 Os 10 Os 1 STR 16 VDD 8 VSS 4400 HEF4094BT 7404 1436 EC16...

Page 16: ...MPONENT LAYOUT 6 4 6 4 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: ... all possible versions For components used in a specific version see schematic diagram and respective parts list 3139 113 3412 pt 3a dd wk031 Some location on this board is prepared for both 0603 0805 SMDs footprint in such locations 0603 SMDs may be substituted ...

Page 18: ...2 051 10102 1k 2 0 25W 3422 4822 051 10102 1k 2 0 25W 3423 4822 051 10102 1k 2 0 25W 3424 4822 051 10102 1k 2 0 25W 3425 4822 051 10102 1k 2 0 25W 3426 4822 051 10102 1k 2 0 25W 3427 4822 051 10102 1k 2 0 25W 3428 4822 051 10102 1k 2 0 25W 3429 4822 051 10102 1k 2 0 25W 3430 4822 051 10102 1k 2 0 25W 3431 4822 051 10102 1k 2 0 25W 3433 4822 117 11454 820R 1 0 1W 3434 4822 051 10102 1k 2 0 25W 3435...

Page 19: ... 4469 4822 051 20008 0R Jumper 0805 4470 4822 051 20008 0R Jumper 0805 4471 4822 051 20008 0R Jumper 0805 4472 4822 051 20008 0R Jumper 0805 4473 4822 051 20008 0R Jumper 0805 4474 4822 051 20008 0R Jumper 0805 4475 4822 051 20008 0R Jumper 0805 4476 4822 051 20008 0R Jumper 0805 4477 4822 051 20008 0R Jumper 0805 4478 4822 051 20008 0R Jumper 0805 4479 4822 051 20008 0R Jumper 0805 4480 4822 051 ...

Page 20: ...3139 110 52521 TMP87CS71F 290S52521 7402 9965 000 04931 M24C01 WMN6 7403 5322 130 60159 BC847B 7404 5322 209 11306 HEF4094BT 7405 5322 209 11306 HEF4094BT 7408 5322 130 60159 BC847B 7409 4822 130 10165 GP1U28XP 7410 5322 130 60159 BC847B 7411 5322 130 60159 BC847B 7412 5322 130 60159 BC847B 7413 5322 130 60159 BC847B 7414 5322 130 60159 BC847B 7415 5322 130 60159 BC847B Note Only the parts mention...

Page 21: ...OL AM FRAME AERIAL Reference Oscillator 1126 1 4 1 4 6 1 stereo 27 28 29 clock data enable clock data enable Version P1 P0 MW LW 31 30 programmable output ports AM RF AM Osc 3 5 1121 VLoop VLoop VLoop VLoop VLoop 2 6 5 43 1103 B C 450kHz 450kHz 450kHz 20 75kHz VStabA VStabB VStabB VStabA VStabB 10 7 MHz 10 7 MHz 35 9 Vcc Vdd Vcc1 7 23 VStabA VStabB 38 34 22 Vcc2 8 ECO5 sys 240698 A AM RF AM Osc FM...

Page 22: ... 5120 B4 5121 B4 5122 B3 5123 B2 5124 B2 5126 B3 5127 B4 5130 A3 5131 A3 6101 A2 6102 A1 6103 A1 6104 A2 6106 B3 6107 C5 6109 C2 6120 C4 7102 A3 7104 C2 7105 C3 7107 B3 7119 C4 9100 A2 9101 B3 9105 B2 9111 C2 9113 B2 9114 B2 9115 B3 9117 B2 9118 B4 9119 C4 9120 B4 9121 A2 9122 C3 9123 B1 9124 C4 9125 A3 9126 B5 9128 A2 9129 B3 9130 C3 9131 A5 9133 C3 9134 B3 9136 A5 9137 A5 2101 C4 2102 C4 2103 C3...

Page 23: ...20 1103 D 2 1102 B 2 1101 A 1 9128 A 4 9117 L10 9101 C 6 9100 B 4 7124 M13 7125 I16 7122 M 9 7119 B13 7111 F18 7109 M 7 7105 F 2 7104 E 3 7103 I 9 7102 D 8 7101 G11 4 5 1 6 7 8 9 10 11 12 13 14 15 2 16 17 18 19 20 21 3 K J N I H G F E D C B A M L K J N I H G F E D C B A M L 4 5 1 6 7 8 9 10 11 12 13 14 15 2 16 17 18 19 20 21 3 HN1V02H Chip jumper 8 7 6 5 4 3 2 1 6105 z_TEA5759 to from COMBI BOARD ...

Page 24: ...22k 5 0 1W for LW version 3140 4822 051 20008 0R Jumper 0805 5120 CDA10 7MG40K 3140 4822 117 10353 150R 1 0 1W 5120 CDA10 7MG61KA 3141 4822 051 20563 56k 5 0 1W 3142 4822 100 11163 Trimmer 100k 30 0 1W 3143 4822 051 20223 22k 5 0 1W for RDS version 3144 4822 051 10102 1k 2 0 25W for RDS version 3145 4822 117 11449 2k2 1 0 1W 3146 4822 051 20229 22R 5 0 1W 3152 4822 116 83883 470R 5 0 5W 3153 4822 ...

Page 25: ...une 24 Mono FM GND 3 4 RF GND 17 IF GND 26 Dig GND 42 RF GND 1 Ripple AM Osc MW LW SELECTION 6 PILOT Filter Fieldstrength 22 VCC2 TEA5762 FM FRONTEND 1102 A B B AGC 6 3 Fo Osc Out IF Out Ant1 7 1 GND 4 8 a F if F 10 7 MHz f0 fin fif FM MT MT 5 VT 75kHz 10 7MHz VC0 IF AM IF AM AM DET ANTI BIRDY FILTER 2 1 450kHz 450kHz 5111 5112 5114 450kHz 3 DATA ENABLE RDS 4 CLOCK 5 STEREO 6 GND 2 1 1121 4 GND 3 ...

Page 26: ...C D D E E F F G G H H I I J J 1102 F4 1103 C4 1110 G7 1121 H11 1124 H9 1126 G10 2102 G7 2106 C5 2107 C4 2108 C6 2109 C5 2120 F5 2122 E6 2123 F6 2125 G6 2127 F9 2128 C7 2129 C8 2130 F8 2131 F9 2132 F9 2133 F10 2134 G10 2135 G11 2136 G10 2137 E11 2138 E10 2139 E8 2140 F10 2141 E10 2142 E9 2143 C10 2144 E10 2145 G11 2147 G11 2148 E9 2150 F8 2151 F9 2152 F9 2158 D10 2160 E9 2161 E9 2162 C11 3103 H6 31...

Page 27: ...2k not in RDS version 04341 only in RDS version 04121 4 3 1 2 15p Toko 7KM 1 3 MT 2 5 4 82p AGC 3 1N4148 0E 100n 0E 0E IF AM FM FRONTEND TUNER 95 bis ANTI BIRDY FILTER VC0 MW OSC LW OSC LW MW TEA5762 IF AM AM DET 3147 3178 2139 3120 6106 3173 2158 1110 2102 3103 1102 2129 5110 2150 3192 5111 5112 5114 2140 3183 2128 3185 5115 3141 3142 3145 2132 2131 2138 2133 2141 2137 2136 2134 2135 3152 3153 11...

Page 28: ...51 10008 0R Jumper 1206 3140 4822 051 20331 330R 5 0 1W 3141 4822 117 11148 56k 1 0 1W 3142 4822 100 11163 Trimmer 100k 30 0 1W 3143 4822 051 20223 22k 5 0 1W 3144 4822 051 10102 1k 2 0 25W 3145 4822 117 11449 2k2 1 0 1W 3146 4822 051 20479 47R 5 0 1W 3147 4822 051 10008 0R Jumper 1206 3150 4822 051 20472 4k7 5 0 1W 3151 4822 051 20683 68k 5 0 1W 3152 4822 051 20471 470R 5 0 1W 3153 4822 051 20471...

Page 29: ...ouble deck H L CRO2 Mechanism B Mechanism A Not for Ferro version Chrome Ferro Chrome Ferro Ferro 2624 100nF 2701 2702 150pF 270pF 270pF 2703 2704 100pF 220pF 220pF 2717 2718 10nF 15nF 15nF 2721 2722 6 8nF 6 8nF 2727 2728 470pF 1nF 1nF 3616 10k 1k 1k 3618 6k8 3620 10k trimmer 3622 10k trimmer 10k trimmer 3672 4k7 3676 47k 3687 220R 220R 3688 680R 3723 3724 15k 18k 18k 3725 3726 10R 10R 3727 3728 5...

Page 30: ...952BT 1A0 1A1 1A2 Rec current ATTEN ALC PLAYBACK EQUALISATION PB EON SW HEF4952BT 2A0 2A1 2A2 MPX 1A0 1A1 PB A ADJ PB B ADJ Rec In PB In 2A2 DOLBY B NR CXA1101M REC Out PB Out REC ADJ SHIFT REGISTER HEF4094BT 3A0 3A1 3A2 HS REC CRB DOLBY NOM HI SPEED REC EON 3A0 NS 2A2 MUTE For Dolby version only PB Out ATTEN 4794 9792 CLK DATA STROBE For Non dolby version only Only 1 channel is presented NOTE Mic...

Page 31: ...iable resistor 3773 for adjusting the optimal level of the bias current for Ferro or Chrome 11 Bias Symm For Dolby B NR version only Bias Symm making use of the Variable resistor 3785 to adjust the bias current for the left and the right channel to be equal 12 PB Switch Playback Switch which consists of the FETs 7785 For Dolby B NR version only 7786 J111 is for the purpose of providing a virtual g...

Page 32: ... for motor 13 CrO2 A Chrome tape detection switch deck A open Cr close Fe 14 H H pin for motor CONNECTORS ASSIGNMENTS CONNECTOR 1701 INTERCONNECTION TO AF BOARD 1 REC L Record input left 2 REC R Record input right 3 GND A AF Ground 4 TAPE L Playback output left 5 12V D C supply 12V for AF electronics 6 TAPE R Playback output right 7 CMOS Negative d c supply 9V for CMOS ICs CONNECTOR 1703 INTERCONN...

Page 33: ...ure 1 f Hz level dB 8dB 6dB 12 5k 4k 250 80 8dB f Hz level dB 8dB 10dB HSD 6dB 10k 4k 250 100 8dB 10dB HSD figure 2 check SBC419A 4822 397 30069 SBC420 4822 397 30071 SBC420 3150Hz SBC420 10kHz SBC420 DECK A B SBC419A SBC420 SBC419A or SBC420 SBC419A or SBC420 1 B Rec Switch REV Rec R CrO2 CrO2 Rec F Solenoid B Mode A Mode Solenoid Motor R1 680R R2 680R A Photo Sensor B Photo Sensor 2 B CrO2 Switc...

Page 34: ...LAYOUT CHIP LAYOUT 3139 113 3409 pt2 dd wk0042 3 4 2 1 6 5 3139 113 3409 pt2 dd wk0042 Some location on this board is prepared for both 0603 0805 SMDs footprint in such locations 0603 SMDs may be substituted 3 4 2 1 6 5 ...

Page 35: ...QUALISATION 1 1 REC R S4 PLAYBACK 0 1 S1 ANALOG CCTRY 1 1 0 S2 S1 S3 AN7323S 0 1 1 BIAS 4n7 2726 7784 BC857B 1M 3787 100n 2746 A0 7 A1 9 A2 10 VDD HEF4952B 7730 7782 220R 3701 C B4 A 3789 47K A A 2784 15n 1N4148 6778 7792 BC847B P 2706 220p 2A0 33n 2719 3736 22K 3760 120R A A 1N4148 6776 P 3K3 7786 J111 470p 2727 3K9 3722 2742 1K2 1M 3780 47u 2763 100p 2711 100n 2741 15K 3723 3703 220R 6K8 3769 37...

Page 36: ...10K mode_B Vcc CrO2_B 10K 47K 3676 7618 BC847B 100n 2626 M 5 1A0 1703 1 1N4003 6611 100n 2624 100K 3628 3679 47K 120K 3610 BC807 25 7613 CRB 100K 3685 P 7610 HEF4094BT M 100K 3686 2A1 3601 2K2 680R 3688 3608 MOTOR M L CLK L 1 VDD 16 8 VSS CP 3 D 2 E0 15 4 O0 5 O1 O2 6 7 O3 14 O4 13 O5 12 O6 11 O7 Os 9 Os 10 STR MOTOR 56K 3612 7619 BC847B 5 6K8 3618 1702 3604 56K 5 3623 100K CRA 3613 27K 3622 BC857...

Page 37: ...normal service spare parts TAPE MODULE EXPLODED VIEW 1 3139 118 77130 Autoreverse Mech CWE44FR01 1 3139 118 77140 Non Autoreverse Mech CWE44FF02 Chrome Ferro 1 3139 118 77950 Non Autoreverse Mech CWE44FF05 Ferro 3 Screw D3 x 10 6 Screw M2 x 16 7 3139 110 34080 Flex Cable 14 pin 7 5 cm Note Only the parts mentioned in this list are normal service spare parts ...

Page 38: ... Arm Assembly R 23 9965 000 02314 Coil Assembly 25 9965 000 06443 Cam Gear 32 4822 528 11209 Flywheel Assembly RV 42 9965 000 02315 Belt AF Autoreverse deck 42 9965 000 02718 Belt AF Non autoreverse deck 69 4822 492 11761 Spring 102 4822 532 12931 Washer 103 4822 532 12932 Washer 104 4822 532 12933 Washer Note Only the parts mentioned in the list are normal service spare parts ...

Page 39: ...00 06443 Cam Gear 32 4822 528 11209 Flywheel Assembly RV 44 2 9965 000 02317 Flex Socket 14 Pin 44 3 9965 000 02320 Photo Interrupter 44 4 4822 050 16801 680R 1 0 4W 44 6 9965 000 02318 Leaf Switch 44 7 9965 000 02319 Mode Switch 59 9965 000 02719 Belt BF Large 69 4822 492 11761 Spring 102 4822 532 12931 Washer 103 4822 532 12932 Washer 104 4822 532 12933 Washer Note Only the parts mentioned in th...

Page 40: ...02320 Photo Interrupter 44 4 4822 050 16801 680R 1 0 4W 44 6 9965 000 02318 Leaf Switch 44 7 9965 000 02319 Mode Switch 45 9965 000 02323 Rec Pb Head Assembly 50 4822 402 10973 Pinch Arm Assembly L 54 9965 000 02324 Flywheel Assembly L 69 4822 492 11761 Spring 73 4822 492 11762 Spring 101 9965 000 02325 Washer 102 4822 532 12931 Washer 103 4822 532 12932 Washer 104 4822 532 12933 Washer 107 9965 0...

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Philips FW-C280, Service Manual

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