Philips-FWV-220-Schematic(1) 电路图 维修手册.pdf
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1、Service Information Service Service Service Service Service Product Service Group CE Audio 3139 785 300742000 - 06 - 05 FW-V220 A02 - 160 CORRECTION TO SERVICE MANUAL Below are corrections to the circuit diagram & parts list: COMBI BOARD * Delete 2405 and 3456 (Not required) 36814822 116 522763k3 5%
2、 0,5W 36824822 116 522763k3 5% 0,5W CHANGES DURING PRODUCTION MPEG BOARD * From wk0134 onwards a new pt. 2 board is introduced to solve MP3 playback noise (see newsletter SNL2001.03.13) problem by adding: 32344822 050 210021k 5% 0,1W 32354822 050 2100310k 5% 0,1W 72093198 010 42310BC547BW Note: 7209
3、 base-emitter is shorted to function like a diode. * From wk0147 onwards a new Servo IC7212 (software version 6) is introduced to improve CD playability. The new IC is recognized by printing mark MPEG01BS06 and is available under service code: 9352 701 41518 * From wk0152 onwards the Video CD Proces
4、sor IC 7201 is replaced by ES3800FL. Because of this replacement the following changes are made to: - adapt supply voltage from 3,5V to 2,7V - adapt audio output level to 550mV 22502020 552 94427100pF 50V 22512020 552 94427100pF 50V 22662020 552 94427100pF 50V 22672020 552 94427100pF 50V 32584822 05
5、1 3033333k 5% 0,1W 32614822 051 3056356k 5% 0,1W 32624822 051 3033333k 5% 0,1W 32654822 051 3056356k 5% 0,1W Already published Service Informations: 32664822 051 3033333k 5% 0,1W 32674822 051 3033333k 5% 0,1W 32814822 051 3056356k 5% 0,1W 32824822 051 3056356k 5% 0,1W 72019322 178 33671ES3880FL 7211
6、9322 178 32668LF27CDT * From wk0218 onwards a new pt. 4 board is introduced to solve picture jerking & cracking noise problem by adding: 22864822 122 3376122pF 50V NPO 0603 Note: The pt. 3 board is not published because it has minor track shifting to prevent short-circuit to MPEG shield casing. New
7、pt 4 board layouts & circuits are enclosed. FRONT BOARD * From production wk0152 onwards a mask 3 version of the Front microprocessor IC7401 is introduced due to deletion of the Cue/Review features. The service code for the equivalent OTP versions read: 74019965 000 10681OTP version 25 for FW-V220 7
8、4019965 000 10680OTP version 25 for FW-V320 It is very important that these OTPs are used only on sets without Cue/Review feature! The mask ICs used in production can be recognized by their printing mark: - V220S53051 for FW-V220 and - V320S53061 for FW-V320 ETF BOARD * From production wk0139 onward
9、s the following changes are made to improve current handling & reliability: 76124822 130 11201PMBT2907 76134822 130 11201PMBT2907 76144822 130 11201PMBT2907 RadioFans.CN 收音机爱 好者资料库 MPEG-01B BOARD LAYOUT RadioFans.CN 收音机爱 好者资料库 ES3880 CIRCUIT PROCESSOR INTERFACE AUX SCREEN DISPLAY SERIAL INTERF TDM I
10、NTERFACE HUFFMAN DRAM DMA CONTROLLER ON SCREEN DISPLAY VIDEO OUTPUT MPEG PROCESSOR 512x32 SRAM 2Kx32 ROM DRAM INTERF DECODER RISC PROCESSOR 64x32 ROM 32x32 SRAM REGISTERS AUDIO Data Bus (8X) Data bus (16X) Address bus (9X) ES3883 select To ES3883 LD(7:0) Video Reset DRAM write Row EPROM 6789 A B C D
11、 E F A B C D E F 1601 D1 2201 E9 2206 E9 2210 E9 2223 A3 2235 B3 To servo uP From front uP to ES3880 & & & & & PROVISION ON THE LAYOUT & ES3880FL True for audio with 44.1KHz sampling frequency only 123456789 12345 85ms 6ms 5us 2258 E9 2268 D1 2270 B1 2271 E1 2272 F1 2273 C1 2276 C2 2277 B2 2279 D1 2
12、280 C9 2281 C9 2282 C9 2286 F4 3204 C3 3205 C8 3206 D4 3207 C4 3208 C3 3209 D3 3210 E3 3211 F3 3213 B9 3214 B9 3217 B8 3228 A8 3234 E8 3270 B2 3271 B2 3272 B2 3273 B8 3274 B8 3275 B8 3276 B2 5205 B3 5207 E9 5212 A3 5213 D9 7201 B4 7202 A6 7203 F6 7205-A F2 7205-B E1 7205-C E2 7205-D F2 7205-E D2 720
13、5-F D1 12 7 14 7205-F 74HC04D 13 74HC04D 1 7 14 2 19 2 20 21 22 3 4 5 6 7 8 9 100R3271 5213 VCC1 5205 VCC2 VCC2 AGND +5V 100n 220R 4K7 3208 5V 5V 5V Address bus (18X) Column O/P enable Chip enable O/P enable 7 14 8 74HC04D 7205-E 11 7 14 10 7205-A 74HC04D 7205-D 9 22p 2286 100p 2276 3272 100R 1K 323
14、4 100R 3270 2279 1 10 11 12 13 14 15 16 17 18 3205 22K 1601 100p 2277 100p 2273 100R 3276 VCC8 2270100p 2210 VCC3 5207 2201 100n100n 100p 2280 VSYNC40 YUV032 YUV133 YUV234 YUV335 YUV436 YUV537 YUV638 YUV739 100p 2281 RESET_ 29 TDMCLK96 TDMDR97 TDMFS98 VDD1 1 VDD231 VDD3 51 VPP81 VSS1100 VSS2 30 VSS3
15、50 VSS4 80 LCS0_ 67 LCS1_ 66 LCS3_ 65 LD0 55 LD1 56 LD2 57 LD3 58 LD4 59 LD5 60 LD6 61 LD7 62 LOE_ 64 LWR_ 63 PCLK44 PCLK2X43 RAS_ 2 LA10 78 LA11 79 LA1282 LA1383 LA1484 LA1585 LA1686 LA1787 LA2 70 LA3 71 LA4 72 LA5 73 LA6 74 LA7 75 LA8 76 LA9 77 DBUS12 25 DBUS13 26 DBUS14 27 DBUS15 28 DBUS2 15 16 D
16、BUS3 DBUS4 17 DBUS5 18 DBUS6 19 DBUS7 20 DBUS8 21 DBUS9 22 DWE_ 3 HSYNC41 LA0 68 LA1 69 CAS_99 CPUCLK42 DA0 4 DA1 5 DA2 6 DA3 7 DA4 8 DA5 9 DA6 10 DA7 11 DA8 12 DA9|DOE_92 DBUS0 13 DBUS1 14 DBUS10 23 DBUS11 24 ACLK88 AIN93 AOUT|SEL-PLL089 ARCLK94 ARFS95 ATCLK90 ATFS|SEL-PLL191 AUX045 AUX146 AUX247 A
17、UX348 AUX449 AUX5 52 AUX6 53 AUX7 54 28 VCC1 1 VCC2 6 VCC3 20 VSS1 21 35 VSS2 40 VSS3 WE_ 13 7201 39 I|O2 3 I|O3 4 I|O4 5 I|O5 7 8 I|O6 9 I|O7 I|O8 10 I|O9 31 LCAS_ 29 NC1 11 NC2 12 NC3 15 30 NC4 27 OE_RAS_ 14 UCAS_ 16 A1 17 A2 18 19 A3A4 22 23 A5 A6 24 A7 25 A8 26 I|O1 2 I|O10 32 I|O11 33 I|O12 34
18、36 I|O13 37 I|O14 I|O15 38 I|O16 VCC7 7203 MSM514265C A0 VCC8 VCC7 VCC7 +5V VCC8 220R VCC1 VCC1 220R3210 3274 22 G_ 24 31 P_ Q0 13 Q1 14 Q2 15 Q3 17 Q4 18 Q5 19 Q6 20 Q7 21 VCC 32 1 VPPVSS 16 A11 4 A12 A13 28 29 A14 3 A15 2 A16 30 A17 10 A2 9 A3 8 A4 7 A5 6 A6 5 A7 27 A8 26 A9 E_ 7202 M27C2001 12 A0
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