Akai-DVR-4100-VSS-Service-Manual(1) 电路图 维修手册.pdf
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1、SERVICE MANUAL Model: DVR4100VSS DVD HOME THEATER SYSTEM www.akai.ru RadioFans.CN 收音机爱 好者资料库 Page CONTENTS DVD HOME THEATER SYSTEM DV-R4100VSS PRODUCT SAFETY NOTICE Performance Specifications . 1 Electrical Parts List . 9 Printed Circuit Boards . 23 Wiring Diagram . 33 Schematic Diagrams . 35 Alignm
2、ent Set-up Procedurecs . 55 Equipment Connection Diagram . 55 Voltage Chart . 56 IC Block Diagrams electrical components having such features are identified by in the schematic diagram and the parts list. Before replacing any of these components, read the parts list in this manual carefully. The use
3、 of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock, fire or other hazards. RadioFans.CN 收音机爱 好者资料库 Power Supply: AC 230V 50Hz Output Load: 8ohm non-reactive x 5 Subwoofer 6ohm x 1 Reference Output: 500mW Input Signal Sour
4、ce: External AM Loop Antenna 75ohm Dummy Antenna for FM Modulation: 30% 400Hz for AM 40kHz Deviation 1000Hz for FM Mono 7.5kHz Pilot Tone: Stereo 47.5kHz L+R 1000Hz: Stereo GENERAL TEST CONDITION (FM) SECTION, FREQUENCY, MODULATION UNITNOMINALLIMIT 1. Tuning RangeMHz87.5 - 108- 2. I. F.MHz10.70.3 3.
5、 30dB S/N90MHzV2025 98MHzV2025 106MHzV2025 4. -3dB Limit Sens.dB1630 5. I. F. Rejection 98MHzdB6050 6. Image Rejection 106MHzdB3023 7. Spurious Rejection (F + 0.535MHz)dB4035 (Max. Sens. + 6dB) 8. AM Suppression(60dB I/P)dB4530 9. Mod. Hum(100dB I/P)dB4842 10. Distortion at 1 mV/m (Mono)22.5kHz%12 1
6、00 mV/m75kHz%35 11. Audio Fidelity, (-3dB) (Pre-emphass) (50 S)Hz60/9000120/6000 Subwoofer 1K=0dB 100 Hz3630 12. Power Out, 10% THD (55K DEV) 1K=1mVW1513 Subwoofer Power Out, 10% THD (55K DEV) 100Hz=1mV 13. Low Voltage AC%8085 14. S/N Ratio at 1mV98MHzdB5246 (Stereo) Dev. 10% Pilot with 19 FilterdB-
7、 15. Alternate Channel Selective 400kHzdB2518 16. Stereo SeparationdB2622 17. 19kHz Leak CarrierdB3227 18. Stereo LED IndicationdB2630 19. Step FrequencykHz-50 20. Auto Stop Sens. dB2632 21. Minimum VOL. HummV1.03.0 Remarks: Note: All measurement should be done in bypass mode without EQ effects. TES
8、T ITEMS W2218 (AM) SECTION, AMPLITUDE, MODULATION UNITNOMINALLIMIT 1. Tuning RangekHz531 - 1602- 2. I. F.kHz4503 3. S/N 10mV/m999kHzdB3630 4. Sens. (at S/N 20dB)603kHzdB6064 dB6064 1404kHzdB6064 5. I.F. Rejection 603kHzdB5046 6. Image Rejection 1404kHzdB3022 7. Spurious RejectiondB3525 8. Bandwidth,
9、 -6 dB, at (Max. Sens. +6 dB) 9. ACA (9 kHz) input 999kHzdB2015 10. AGC Figure Merit100mV/mdB4540 11. Distortion, 5mV/m, 30%13 80%36 12. 10% THD Power ACDEV 80%W1513 13. Tweet (2nd 910kHz If select 6ch function,not install R87, R105 and U7 (include circuit around U7). If select 2ch function,not inst
10、all R105 and U10 (include circuit around U10); install R87. Optinal need to change to P+12V as selection. SPDIF-1OPT_SPDIF SPDIF MUTE MUTE A-LMAIN A-RMAIN AUDR MUTE MUTE A-LREAR A-RREAR AUDLS AUDRS AMCLK ABCLK MC ML AOUT1 ALRCLK MD AOUT3 AOUT0 SPDIFVCC ABCLK AMUTE A-RMAINT AOUT_IN A-LMAINT ALRCLKAMC
11、LK U-OUT AUDCENTER A-LFE A-CENT MUTE AUDLFE MUTE MUTE A-LMAINT A-RMAINT MUTE AURT C-OUT RIN4 LIN4 RESET_ ABCLK SPDIF_IN_AMCLK S_CLK S_DTI S_CS S_DTO ALRCLK SPDIF_IN_DATA SPDIF_IN_SEL AMCLK WM_AINAIN SPDIF_SEL_N SPDIF_SEL_N AOUT2 AOUT0 AOUT3 AOUT2 AOUT1 A-CENT ML AMCLK A-LREAR AMUTE ALRCLK WM_AIN AOU
12、T0 A-LMAIN RIN4 LIN4 MC A-LFE A-RREAR A-RMAIN ABCLK MD COAX_SPDIF MUTE AOUT_IN AUDL AUDR AULT AURT Y-OUT Y-OUT U-OUT C-OUT V5V V-OUT V-OUT AUDL MUTE AULT COAX_SPDIF SPDIF-1 A5V A+12V AA-12V A-12V A+12V A+12V A-12V A+12V A-12V A+12V A-12V DSPVCC33 A5V D5V A5V DSPVCC33 DSPVCC33 AA-12V D5V SPDIFVCC A-1
13、2V A+12V A+12V A-12V A-12V A-12V A+12V A+12V DSPVCC33 DSPVCC33 DSPVCC33 A5V A-12V V5V SPDIFVCC V5V DSPVCC33 PA+12V PA+12V D5VPA+12V D+5V CE28 10uF/16V C80 0.1uF R133 1.2K + - U13A 45803 2 1 84 U7 WM8725ED 1 2 3 4 5 6 78 9 10 11 12 13 14 LRCK DIN BCKIN NC CAP VOUTR GNDVDD VOUTL MUTE NC DEEMPH FORMAT
14、MCLK + CE23 0.47uF/16V R59 180 C129 1000pF R12320K + CE25 0.47uF/16V R56 180 R119 1.2K R13110K R111 220R +CE19 100uF/10V C91 1000pF R128 100K R105NC/0R R8220K R1323.9K CE34 10uF/16V CE36 10uF/16V R130 100K R11020K L51.1uH C118 0.1uF Q2 2N3904 RT2040R C13411pF CE27 10uF/16V FB28 C141 150pF C103 1000p
15、F +CE22 NC C142 160pF C81 0.1uF C95 0.1uF R118 3.9K C127 33000pF + CE10 47uF/16V + - U11A 45803 2 1 84 C119 120pF R790R C130 0.1uF RT203 NC/0R R125 220R R305 91R CE3710uF/16V C82 100n R303 180R CE35 10uF/16V R11710K RT206 NC CE15 NC C122 1000pF C83 0.1uF Q3 2N3904 + - U13B 45805 6 7 84 C101 120pF RT
16、207 15K R5 470R C79 0.1uF D11 RLS4148 + CE11 47uF/16V C87 0.1uF C7524pF + CE12 47uF/16V CE2910uF/16V R530R CE17 NC CE18 100uF/16V U10 WM8772EDS 1 2 3 4 5 6 7 8 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 MODE MCLK BCLK LRC DVDD DGND DIN1 DIN2 DIN3 DOUT ML/I2S MC/IWL MD/DM MUTEREFADC VR
17、EFN VREFP VMID AINR AINL VOUT1L VOUT1R VOUT2L VOUT2R VOUT3L VOUT3R AGND AVDD C88 120pF C100 0.1uF Q16 2N3904 TP1 1 . R90 1M L31.1uH R7210K C13211pF +CE51 47uF/16V C22 0.1uF C70 0.1uF C137 150pF Q11 2N3904 RT2120R RT2110R R8410K C138 160pF 1 U9 74HCU04 147 1 3 5 9 11 13 2 4 6 8 10 12 Q4 2N3904R10347K
18、 R104 2K RT217NC RT205 0R + - U12B 45805 6 7 84 R1073.9K R7020K R8820K R102 220R Q7 2N3904 R3 NC R2 NC R68 2.2K C116 0.1uF R120NC CE26 10uF/16V C115 1000pF D5LL4148 (NC) C104 0.1uF R9510K C66 0.1uF + - U11B 45805 6 7 84 C200 47pF C78 0.1uF CE32 10uF/16V D12 RLS4148 L21.1uH CE30 10uF/16V R66 91 R94 2
19、20R FB15 C13111pF Q12 2N3904 + CE13 47uF/16V + - U12A 45803 2 1 84 R98 1.2K C7224pF C105 0.1uF C135 150pF R83 220R CE3310uF/16V R51470K CE7 100uF/16V CE31 10uF/16V R10610K R64 330 R108 1.2K C86 100pF C63 100pF C106 120pF C113 120pF C109 1000pF C136 160pF R96 3.9K R10120K R5068 + CE9 10uF/16V D16 RLS
20、4148 R86 1.2K D18 RLS4148 R78 10 R55 33 R1273.9K CE4110uF/16V R74 1.2K Q13 2N3904 C90 120pF C89 1000pF C73 0.1uF Q10 2N3904 Q38 2N3904 C108 0.1uF R129 1.2K R91 0R D8 RLS4148 CE40 10uF/16VR81 0R R80 0R R114 220R L41.1uH CE38 10uF/16V R93 0R RT213 0R C13311pF Q15 2N3906 Q8 2N3906 + - U16A 45803 2 1 84
21、 RT215 0R RT214 0R RT216 NC R11210K R124NC R122 220R R198 91K C139 150pF R113 3.9K R116 100K R65 100K R115 1.2K R63 100K +CE20 470uF/25V R12120K C140 160pF C84 1000pF Q1 2N3904 +CE21 47uF/25V R10920K R12610K + - U16B 45805 6 7 84 CE39 10uF/16V D14 RLS4148 C102 0.1uF C201 0.1uF D13 RLS4148 C71 120pF
22、R870R/NC R76NC/0R R301 NC R1 470R R100 18K,1% D7 RLS4148 R300 0R Q9 2N3906 R73 3.9K AK4112BVF/VSOP28/0.65mmPitch U26 1 2 3 4 5 6 7 8 9 10 11 12 1316 19 18 17 25 24 22 21 20 23 26 27 28 1415 DVDD DVSS TVDD V/TX XTI XTO PDN R AVDD AVSS RX1 RX2/DIF0 RX3/DIF1P/SN LRCK ERF FS96 OCKS0/CSN MCKO1 DAUX BICK
23、SDTO MCKO2 OCKS1/CCLK CM1/CDTI CM0/CDTO RX4/DIF2AUTO U28 74LV125 14 3 6 8 11 2 5 9 12 1 4 10 13 VCC 1Y 2Y 3Y 4Y 1A 2A 3A 4A 1OE 2OE 3OE 4OE + CE14 47uF/16V C99 0.1uF R853.9K C85 100n R97 75R(NC) R302 68 D17 RLS4148 D15 RLS4148 R71 220R Y212.288MHz A5V A-12V GND C_B_UY_R_V CVBS_CCVBS_G_YCVBS_G_Y_OUT
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