Philips-FWV-220-Schematic电路原理图.pdf
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1、Service InformationServiceServiceServiceProduct Service Group CE Audio3139 785 300742000 - 06 - 05FW-V220A02 - 160CORRECTION TO SERVICE MANUALBelow are corrections to the circuit diagram & parts list:COMBI BOARD* Delete 2405 and 3456 (Not required)3681 4822 116 52276 3k3 5% 0,5W3682 4822 116 52276 3
2、k3 5% 0,5WCHANGES DURING PRODUCTIONMPEG BOARD* From wk0134 onwards a new pt. 2 board is introduced tosolve MP3 playback noise (see newsletter SNL2001.03.13)problem by adding:3234 4822 050 21002 1k 5% 0,1W3235 4822 050 21003 10k 5% 0,1W7209 3198 010 42310 BC547BWNote: 7209 base-emitter is shorted to
3、function like a diode.* From wk0147 onwards a new Servo IC7212 (softwareversion 6) is introduced to improve CD playability. The newIC is recognized by printing mark “MPEG01BS06“ and isavailable under service code: 9352 701 41518* From wk0152 onwards the Video CD Processor IC 7201 isreplaced by ES380
4、0FL. Because of this replacement thefollowing changes are made to:- adapt supply voltage from 3,5V to 2,7V- adapt audio output level to 550mV2250 2020 552 94427 100pF 50V2251 2020 552 94427 100pF 50V2266 2020 552 94427 100pF 50V2267 2020 552 94427 100pF 50V3258 4822 051 30333 33k 5% 0,1W3261 4822 05
5、1 30563 56k 5% 0,1W3262 4822 051 30333 33k 5% 0,1W3265 4822 051 30563 56k 5% 0,1WAlready published Service Informations:3266 4822 051 30333 33k 5% 0,1W3267 4822 051 30333 33k 5% 0,1W3281 4822 051 30563 56k 5% 0,1W3282 4822 051 30563 56k 5% 0,1W7201 9322 178 33671 ES3880FL7211 9322 178 32668 LF27CDT*
6、 From wk0218 onwards a new pt. 4 board is introduced tosolve picture jerking & cracking noise problem by adding:2286 4822 122 33761 22pF 50V NPO 0603Note: The pt. 3 board is not published because it has minortrack shifting to prevent short-circuit to MPEG shield casing.New pt 4 board layouts & circu
7、its are enclosed.FRONT BOARD* From production wk0152 onwards a mask 3 version of theFront microprocessor IC7401 is introduced due to deletionof the Cue/Review features.The service code for the equivalent OTP versions read:7401 9965 000 10681 OTP version 25 for FW-V2207401 9965 000 10680 OTP version
8、25 for FW-V320It is very important that these OTPs are used only onsets without Cue/Review feature!The mask ICs used in production can be recognized by theirprinting mark:- V220S53051 for FW-V220 and- V320S53061 for FW-V320ETF BOARD* From production wk0139 onwards the following changesare made to im
9、prove current handling & reliability:7612 4822 130 11201 PMBT29077613 4822 130 11201 PMBT29077614 4822 130 11201 PMBT2907MPEG-01B BOARD LAYOUTES3880 CIRCUITPROCESSOR INTERFACEAUXSCREEN DISPLAYSERIAL INTERFTDM INTERFACEHUFFMANDRAM DMACONTROLLERON SCREENDISPLAYVIDEO OUTPUTMPEGPROCESSOR512x32 SRAM2Kx32
10、 ROMDRAM INTERFDECODERRISCPROCESSOR64x32 ROM32x32 SRAMREGISTERSAUDIOData Bus (8X)Data bus (16X)Address bus (9X)ES3883 selectTo ES3883 LD(7:0)Video ResetDRAMwriteRowEPROM6789ABCDEFABCDEF1601 D12201 E92206 E92210 E92223 A32235 B3To servo uPFrom front uP to ES3880& PROVISION ON THE LAYOUT&ES3880FL True
11、 for audio with 44.1KHz sampling frequency only1234567891234585ms6ms5us2258 E92268 D12270 B12271 E12272 F12273 C12276 C22277 B22279 D12280 C92281 C92282 C92286 F43204 C33205 C83206 D43207 C43208 C33209 D33210 E33211 F33213 B93214 B93217 B83228 A83234 E83270 B23271 B23272 B23273 B83274 B83275 B83276
12、B25205 B35207 E95212 A35213 D97201 B47202 A67203 F67205-A F27205-B E17205-C E27205-D F27205-E D27205-F D1127147205-F74HC04D1374HC04D171421922021223456789100R 32715213VCC15205VCC2VCC2AGND+5V100n220R4K732085V5V5VAddress bus (18X)ColumnO/P enableChip enableO/P enable714874HC04D7205-E11714107205-A74HC04
13、D7205-D922p2286100p 22763272100R1K3234100R327022791101112131415161718320522K1601100p 2277100p 2273100R3276VCC82270100p2210VCC352072201 100n100n100p2280VSYNC 40YUV0 32YUV1 33YUV2 34YUV3 35YUV4 36YUV5 37YUV6 38YUV7 39100p2281RESET_29TDMCLK96TDMDR97TDMFS98VDD11VDD2 31VDD351VPP81VSS1100VSS230VSS3 50VSS4
14、80LCS0_67LCS1_66LCS3_65LD055LD156LD257LD358LD459LD560LD661LD762LOE_64LWR_63PCLK 44PCLK2X 43RAS_2LA1078LA1179LA1282LA1383LA1484LA1585LA1686LA1787LA270LA371LA472LA573LA674LA775LA876LA977DBUS1225DBUS1326DBUS1427DBUS1528DBUS215 16DBUS3DBUS417DBUS518DBUS619DBUS720DBUS821DBUS922DWE_3HSYNC 41LA068LA169CAS_
15、99CPUCLK 42DA04DA15DA26DA37DA48DA59DA610DA711DA812DA9|DOE_92DBUS013DBUS114DBUS1023DBUS1124ACLK88AIN93AOUT|SEL-PLL089ARCLK94ARFS95ATCLK90ATFS|SEL-PLL191AUX0 45AUX1 46AUX2 47AUX3 48AUX4 49AUX552AUX653AUX75428VCC11VCC26VCC320VSS12135VSS240VSS3WE_13720139I|O23I|O34I|O45I|O57 8I|O69I|O7 I|O810I|O931LCAS_
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