Philips-FWM-37-Service-Manual(1) 电路图 维修手册.pdf

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1、CLASS 1 LASER PRODUCT Service ServiceService ServiceService FWM37/21/22/25/37 Copyright 2005 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, elec

2、tronic, mechanical, photocopying, or otherwise without the prior permission of Philips. Published by SL0512 Service AudioPrinted in The Netherlands Subject to modification. GB 3141 785 30160 Mini System TABLE OF CONTENTS Page Location of pc boards Button pressed? 2; Button pressed? 9 Button pressed?

3、 DISPLAY TEST Display shows Fig.2 and selected LEDs on (see note 2) Display shows Fig. 1 and selected LEDs on (see note 1) note 2 : Only DISC 2, 3, AUX, ALB, TITLE, MUTE, FM, DBB12, TECHNO, JAZZ, CONCERT & R.C. are on. note 1 : All LEDs are on except ECO POWER. Fig. 1 Fig. 2 Table 2 Error code E1000

4、 E1001 E1002 E1003 E1005 E1006 E1007 E1008 E1020 E1070 E1071 E1079 Error Description Focus Error Triggered when the focus could not be found within a certain time when starting up the CD or when the focus is lost for a certain time during play. Radial Error Triggered when the radial servo is off-tra

5、ck for a certain time during play. Sledge In Error The sledge did not reach its inner position (inner-switch is still close) before approximately 6 Sec. have passed by. Inner-switch or sledge motor problem. Sledge Out Error The sledge did not come out of its inner position (inner-switch is still ope

6、n) before approximately 250 mSec. have passed by. Inner-switch or sledge motor problem. Jump-offtrack error Triggered in normal play when the jump destination could not be found within a certain time. When this error occurred, software will try to recover by initiating the jump command again. If it

7、is recoverable, the disc will continue to play. Subcode Error Triggered when a new subcode was missing for a certain time during play. PLL Error The Phase Lock Loop could not lock within a certain time. Turntable Motor Error Generated when the CD could not reached 75% of speed during startup within

8、a certain time. Discmotor problem. Focus Search Error The focus point has not been found within a certain time. This happens when the carousel switch is defective and closed all the time, or when the carousel is blocked when it is located exactly at a disc position. This happens when the carousel sw

9、itch is defective and does not closed electrically, or when the carousel is blocked in between two disc positions. The time-out is approximately 5 Sec. The drawer could not open or enter the inside position and is opening again. This happen when the drawer is blocked and cannot go fully inside or wh

10、en the drawer switch is defective and does not close. To start service test program hold P & AUX depressed while plugging in the mains cord Display shows the ROM version * S-Vyy (Main menu) S refers to Service Mode. V refers to Version. yy refers to Software version number of Processor. (Counting up

11、 from 01 to 99) SERVICE TEST PROGRAM RadioFans.CN 收音机爱 好者资料库 4-1 SET BLOCK DIAGRAM 4-1 RadioFans.CN 收音机爱 好者资料库 5-1 SET WIRING DIAGRAM 5-1 FRONT & KEY BOARD TABLE OF CONTENTS Internal IC Diagram & Pin Assignment.6-1 Internal IC Diagram & Pin Description .6-2 Internal IC Diagram & Pin Description .6-3

12、 PCB Layout Top View .6-4 PCB Layout Bottom View .6-5 Circuit Diagram (MCU Part) .6-6 Circuit Diagram (Mic Part) .6-7 Electrical Parts List .6-8 6-1 6-1 INTERNAL BLOCK DIAGRAM MICROCONTROLLER - IC TMP87PS71F Remark: For Ver. 22, the whole Front Board Assy can be orderd with 12nc: 9940 000 01505 6-26

13、-2 PIN DESCRIPTION MICROCONTROLLER - IC TMP87PS71F PIN ASSIGNMENT (TOP VIEW) MICROCONTROLLER - IC TMP87PS71F 6-36-3 INTERNAL BLOCK DIAGRAM RDS/RBDS DEMODULATOR - IC SAA6581T BLOCK DIAGRAM handbook, full pagewidth 57 kHz 8th ORDER BANDPASS FILTER CLOCKED COMPARATOR RDS/RBDS DEMODULATOR SIGNAL QUALITY

14、 DETECTOR POWER SUPPLY AND RESET TEST CONTROL OSCILLATOR AND CLOCK MPXmultiplex input C1 C6 330 pF 560 pF 4 VDDA VSSAVref +5 V +5 V C2 100 nF C4 47 pF C5 56 pF C7 100 nF C3 2.2 F 5 6 VSSD 113 TCON CINSCOUT 15 87 MODE VDDD 9 OSCI Q1 OSCO QUAL RDDA RDCL SYNC 1314 12 16 10 2 1 MHB899 SAA6581T PINNING S

15、YMBOLPINDESCRIPTION QUAL1signal quality indication output RDDA2RDS data output Vref3reference voltage output (1/2VDDA) MPX4multiplex signal input VDDA5analog supply voltage (5 V) VSSA6analog ground (0 V) CIN7comparator input SCOUT8 switched capacitor fi lter output MODE9oscillator frequency select i

16、nput SYNC10ARI clamping control input VSSD11digital ground (0 V) VDDD12digital supply voltage (5 V) OSCI13oscillator input OSCO14oscillator output TCON15test control input RDCL16RDS clock output MHB900 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 QUAL RDDA Vref MPX VDDA VSSA CIN SCOUT RDCL TCON OSCO OSCI

17、VDDD VSSD SYNC MODE SAA6581T PIN DESCRIPTION RDS/RBDS DEMODULATOR - IC SAA6581T INTERNAL BLOCK DIAGRAM POSITIVE VOLTAGE REGULATOR - IC KA7805 6-6 6-6 CIRCUIT DIAGRAM - FRONT BOARD (MCU PART) 6-7 6-7 CIRCUIT DIAGRAM - FRONT BOARD (MIC PART) 7A-17A-1 1 FM Osc. FM Mixer AM Mixer AM Osc. AM IF IF1IF2 FM

18、 Det. AM Det. 3393733 RADIO IC TEA 5757H TUNER BOARD ECO 6 Systems 101811 14 15 24 rightright left left stereo VCO 41403619324425 Stereo Decoder AFC AFC + AFC - 4 4 AGC Pre- scaler Multi- plexer Charge pump Stabilizer CONTROL Reference Oscillator 29 28 27clock data enable P1 P0 31 30 programmable ou

19、tput ports VLoop VLoop VLoop VLoop VLoop 2 6 5 43 C D 450kHz450kHz450kHz 20 75kHz VStabAVStabBVStabB VStabAVStabB 10,7 MHz10,7 MHz 359 VddVcc1 723 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-FRA

20、ME AERIAL B 1103 1101 (1102) AFM MPX buffer ampl. 5 Discriminator 10,7 MHz Vdd Vcc1 Vcc Vcc2 AM-RF AM-Osc. FM-Osc. FM-RFFM-IF 1FM-IF 2 AM-IF 1AM-IF 2AM-AFC 3 2 BLOCK DIAGRAM ECO6 Tuner Board version:SYSTEMS non-CENELEC TABLE OF CONTENTS Blockdiagram .7A-1 Schematic Diagram.7A-2 Component Layout.7A-3

21、 Adjustment table .7A-3 Electrical Partslist.7A-4 7A-27A-2 ECO6 Sys-non Cenelec, 000911 1101 A1 1102 B1 1103 F2 1120 E14 1130 A2 1131 B2 1132 G13 2101 B3 2102 B1 2103 C7 2104 B3 2105 A2 2106 F3 2107 F4 2119 H6 2120 G6 2124 H6 2125 H6 2126 F7 2127 E7 2128 C8 2129 C7 2130 F11 2131 G8 2132 G8 2133 G8 2

22、134 H8 2135 H9 2136 G14 2137 G13 2138 F9 2139 G9 2140 G9 2141 F10 2143 G12 2144 G11 2145 F12 2146 E12 2147 E12 2148 E12 2149 H7 2150 A10 2152 E4 2153 E5 2154 D5 2155 D5 2159 F6 2161 C11 2163 D11 2164 F10 2165 C7 2166 E11 2167 E11 2169 H8 3101 E4 3102 D4 3103 C6 3104 A7 3105 B6 3132 G5 3134 H6 3141 E

23、7 3142 E7 3143 G7 3144 H7 3145 F8 3146 G13 3152 G14 3153 G13 3154 G13 3155 G11 3156 C12 3157 C12 3158 E13 3159 D13 3160 D12 3161 D13 3167 F12 3168 F11 3169 E11 3170 C12 3172 G12 3176 G7 3181 E6 5102 F2 5109 B9 5110 B10 5111 A8 5112 A11 5114 B11 5119 G9 5121 E11 5123 G5 5130 E5 5131 C6 6103 B2 6105-1

24、 F3 6105-2 G5 6106 C3 6107 G13 6120 C13 6130 E5 6131 D5 7101 C8 7102 C6 7103 H7 7111 C13 7112 G12 T102 B2 T103 B2 T105 F2 T106 F2 T109 B6 T110 F5 T111 F4 T112 F7 T113 A8 T114 B10 T115 A8 T116 F10 T117 G13 T118 G11 T120 F13 T121 F13 T122 F13 T123 E13 T124 G14 T125 F14 T126 F13 T127 F13 T128 D7 T140 F

25、11 T141 F10 T142 F10 1 34 6 87 2 1 34 6 87 2 LEGEND p .for provision only USA . for USA version only E-EU . for East European version only 22n USA 22n USA p p p 7 1 2 3 8 6105 6 HN1V02H 54 36 1 2 7 29 25 13 30 31 16 4 42 15 1 7 22 9 23 3834 2118 3735 33 4339 5 3 8 171412 24 11 10 2019 44 32 413640 6

26、 2 27 28 26 1 34 5 6 87 2 1 34 6 87 2 1 34 6 87 2 p SCALER MULTI- PLEXER CONTROL FILTER AM IF AM DET FM DET VSTABB DECODER CHARGE PUMP AGC OSC AM DET FM IF2 RIPPLE AGC STABILIZER AFC VDD VSTABA AM-IF MONO/ FM FRONTEND CONTROL XTAL AGC PRE- CTRL AGC AM OSC AGC VCC2 FM OSC AM MIXER MIXER FM FM IF1 FRO

27、NTEND AM STEREO STEREO RDS only DISCRIMINATOR to/from FM-OSCILLATOR PROGR. MPX Q-multiplier MW OUTPUT PORTS to 1120 pin 5 ENABLE/MPX BUFFER kHz VERSION DETECTION VCO RIGHT 14 123 AM FRAME AERIAL DATA C D E F AM-OSCILLATOR FM 75 OHM FM-IF2 MW 2345 AM-RF 450kHz 450kHz AM-IF2 from 2169 78 AM-AFC LEFT 6

28、78910111213 456 FM-RF TUNER BOARD ECO6/ SYSTEMS NON CENELEC 91011121314 A B G H A B 1 VCC STEREO CLOCK AMPLIFIER GND H C D E F G 470n 2132 BAS216 6120 2103 1u 2107 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

29、3145 1132 C-PAD T103 T111 2164 470n T102 214015p 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 PILOT RF-GND1 RF-GND2 RIGHT RIPPLE VCC

30、1 VCC2 VCO VDD VSTABA VSTABB FM-DEMOD FM-IF1-IN FM-IF2 FM-IF2-IN FM-IN FM-MIXOUT FM-OSC FM-RF I-TUNE IF-GND LEFT LPF MPX-IN AF-OUT AFC+ AFC- AGC AM-AFC AM-IF1-IN AM-IF2 AM-MIXOUT AM-OSC AM-RF CLOCK DATA DIG-GND FIELDSTR-IND 5130 T127 T126 220n 2127 5121 DT-381 150K 3169 75K 3102 100K 56K 3141 1131 C

31、-PAD 3132 5112 7P 6107 47R 6131 1SV228 BZX284-C11 1120 FE-BT-VK-N T118 T140 T117 T112 2131 470n 33K 3101 1SV228 6130 3168 120R 2125 560p T116 2n2 2148 100n 2141 470R 18p 2120 470R 3158 3152 3159 XH-S 1103 3160 470R 470R 220n 2143 2150 T125 1 2 3 4 5 6 7 8 22R 3146 BF550 7102 5131 11p 2155 O 100K 511

32、0 G I 1102not USA 3170 T122 2135 15n 2167 2145 220p T110 12p HN1V02H 1n 2166 T105 6105-1 T106 T121 T123 BC547C 7112 3143 2129 100u C-PAD 1130 22K 220n 2137 T128 3181 1K 330p 2126 2101 47p BAV99 6103 2104 100p 2153 15p T124 2152 33n 560pE-EU 12pE-EU 2p2 J 33p 2159 220p 2146 2169 22n 1u 15n 2134 2144

33、220n 2136 22K 3161 BC857C BC847C 7111 7103 2147 220p VCC2 VCC2 VDD T114 MPX P1 P0 P1 VDD MPX VCC1 VCC1 VCC1 printed printed printed 1 2 13 2 1 2 3 1 2 TEA5757H TEA5759H J 7101 2128 10u 7111 component mounted /14 FM-OIRT/MW /00 /02 FM/MW/LW 61203170 /01 FM/MW VERSION /00 /02 FM/MW 3156 /17 FM/AM /06

34、FM-Japan/AM 3157 VERSION PROGRAMMING COMPONENTS J . for Japanese version only AM-IF1 450kHz 8 5111 1 2 3 4 6 7 T113 T115 FM-IF1 2G 1I3O 5109 3104 330R 100n 0R 4103 .V MW mode .V LW mode voltages measured while set is tuned to a strong transmitter .V FM mode stereo EVMV 5V 0V 152kHz, 50mVpp stereoste

35、reomono 9.6V 9.5V 9.5V 10.4V 12V 1V 1.3V 1.4V stereo 0.2V mono 4.8V 9.6V 12Vtyp stereo 0.4V 0.15V 11.1V 7.8V 2V 0.7V 0V 1.2V 7.6V (10-14V) 0.2V 0V 1.2V 0.1VD 1.4V 0.7V 4 0V 0V mono 4.8V 1.4V 9.6V 1.4V 0.2V 0.7V 1.4V 7.9V 7.7V 0V 0V 0V 0V 0.6V 0.8V 0.1V 1.6-8V 1-8V 11.1V 0V 1V 1.4V 1.4V B 7.6V 5 3 2

36、A 1.3V 0.7V 7.8V 11.1V 0.8V 0.6V 0.6V 1V 0.7V 1V 1.1V 1.1V 0V 0V 2V C 1 0.8V 1.2V 1.1V IF-AMP. BFS20 7119J 1K 3113J 2112J 100p 330R 3119J Signal path FM AF - left/right AM MPX (Audio Frequency) 2102 100n 2105 USA 100n 7A-37A-3 VARICAP ALIGNMENT FM RF FM IF VCO AM IF AM RF 3) 108MHz 87.5MHz (65.81MHz

37、) 87.5MHz (65.81MHz) 87.5MHz (65.81MHz) 279kHz 153kHz 1602kHz 531kHz 5130 check 5122 check 5123 check 8V 0.2V 4.3V 0.5V (1.2V 0.5V) 8V 0.2V 1.1V 0.4V 8V 0.2V 1.1V 0.4V 1494kHz 558kHz 560kHz5102 1500kHz 5103198kHz 1494kHz 558kHz 560kHz 1500kHz 198kHz 2106 5102 2106 3142152kHz 1kHz 1)98MHz 5112 MAX FM

38、 87.5 - 108MHz (65.81 - 74, 87.5 - 108MHz) LW 153 - 279kHz MW FM/MW/LW- version, 9kHz grid 531 - 1602kHz 1700kHz 530kHz 5123 check 8V 0.2V 1.1V 0.4V 1602kHz 531kHz 5123 check 6.9V 0.2V 1.1V 0.4V 108MHz108MHz2155 5131 MW FM/AM-version, 10kHz grid 530 - 1700kHz FM MW LW 98MHz, 1mV continuous wave 450k

39、Hz connect pin 6 of IC 7101 (AM Osc.) with 3.3k to Vcc Use Service Testprogram. By selecting the TUNER TEST test frequencies will be stored as preset frequencies automatically. 4 1 3 5 5 A A 5119FM 10.7MHz, 45mV continuous wave 2D mod=1kHz f=22.5kHz 1) If sensitivity of frequency counter is too low

40、adjust to max. channel separation (input signal: stereo left 90% + 9%, adjust output on right channel to minimum) Repeat ECO6, Sys + PA with frame aerial, 070799 TUNER ADJUSTMENT TABLE ( ECO6 FM/MW- and FM/MW/LW - versions with AM-frame aerial ) f=10kHz VRF = 0.5mV C see remark 2) 220R 100nF 36 IC 7

41、101 220R 100nF 40 IC 7101 2141 shortcircuit to block AFC 21 IC 7101 max. symmetric fo AM AFC MW C continuous wave VRF = 2mV 5111 5114 2 0 2 mV DC 0 3 mV DC MW 4) FM/MW/LW- and FM/MW-version ( 9kHz grid) 531 - 1602kHz B f = 30kHz VRF as low as possible max. symmetric fo MW FM/AM-version, 10kHz grid 5

42、30 - 1700kHz 3) For AM RF adjustments the original 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. WaverangeInput frequencyInputTuned toAdjustOutputScope/Voltmeter FM 87.5 - 108MHz (65.81 - 74, 87.5 - 108

43、MHz) 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 view 1101 A6 1102 B6 1103 D6 1120 A4 1130 B5 1131 D5 1132 A5 2106 C5 2107 B5 2128 C4 2129 B4 2133 D2 2138 C2 2144 B2 2155 C4 3142 D2 5102 D6

44、5109 A3 5110 B3 5111 B4 5112 A3 5114 A2 5119 C2 5121 B2 5123 D5 5130 D3 5131 D4 7112 C1 9101 A2 9103 B2 9104 B5 9105 B1 9106 B3 9107 D4 9108 C4 9109 D2 AM FRAME AERIAL FM 75 B A TUNER BOARD ECO6 Systems - non Cenelec / copperside view 2101 B4 2102 B1 2103 D4 2104 B4 2105 C1 2112 B5 2119 D3 2120 D3 2

45、124 D3 2125 D3 2126 D6 2127 C5 2130 D5 2131 C5 2132 D6 2134 D7 2135 D7 2136 A4 2137 A4 2139 C6 2140 C6 2141 C6 2143 C7 2145 A5 2146 B7 2147 A5 2148 B6 2149 D6 2150 B5 2152 C5 2153 C5 2154 C4 2159 C5 2161 A6 2163 B6 2164 C6 2165 C4 2166 B6 2167 B6 2169 A4 3101 D5 3102 C3 3103 C4 3104 B4 3105 C4 3113

46、B5 3119 B5 3132 D5 3134 D3 3141 C5 3143 D6 3144 B7 3145 C5 3146 C7 3152 A4 3153 A4 3154 C7 3155 C7 3156 A6 3157 A6 3158 A4 3159 A5 3160 A5 3161 A5 3167 B7 3168 C7 3169 B6 3170 A6 3172 C7 3176 D6 3181 D4 4103 B5 4106 C4 4107 C5 4108 C5 6103 B3 6105 C3 6106 C3 6107 C7 6120 A6 6130 D4 6131 C4 7101 C5 7102 D4 7103 D7 7111 A5 7119 B5 These assembly drawings show a summary of all possible versions. For c