Technics-SADA8-avr-sch 电路图 维修手册.pdf
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1、IC402 NJM4580EDTE1 IC451 AN6558F IC503 NJM4580EDTE1 IC401 TC9163AN INPUT SIGNAL SELECTOR IC351 NJM2296D VIDEO SIGNAL SELECTOR CD 67 GND2GND1 8 -V Q352 Q351 +V 11 15 14 DT SEL CK SEL ST SEL VIDEO A VIDEO B 2 D352D351 1 7 9 10 13 (3) 26 X2 X1 X3 (2) 27 (4) 25 (5) 24 (6) 23 (7) 22 X4 X5 (9) 20 (10) 19
2、(12) 17 X7 X8 Level shift Latch circuit Shift register GND (11) 18 16 15 13 14 (8) 21 X6 TV IN Vss 1 28 VDD PHONO PB RO LCH VCR REC (OUT) PLAY (IN) TAPE VCR1 OUT MONITOR OUT VIDEO TV IN DVD IN VCR2 REGULATOR REGULATOR PHONO EQ AMP 5 VCR3 IN VIDEO C 6 BUFFER AMP DVD LCH TUNER MODULE TONE AMP VR502 DV
3、D_LCH REC_L LCH FROM IC901 S301 S301 VR501 VCR1 IN +B +B -B -BRCH RadioFans.CN 收音机爱 好者资料库 IC1003 SN74LV244APW LOGIC CONTROL IC1004 SN74AHCT244PW LOGIC CONTROL IC1006 SNAHC1U04DBV INVERTER IC1206(1207) NJM2115D IC1002 CS4226-KQG DIR/DAC/VOL IC1201 NJM4580EDTE1 IC1204 NJM4580EDTE1 42 44 RX3 18 A GND1
4、A GND2 D GND2 D GND1 203941727 SPI DEM A OUT6 26 A OUT5 25 345689 10(13) 24-bit DSP PROCESSING RAM PROGRAM MEMORY RAM DATA MEMORY STC RAM INPUT BUFFER PLL CLOCK MANAGER DATA07 811, 1417 CMP DAT27 CMP CLK28 CMP REQ29 25SCLK N1 26LRCLK N1 22SDATA N1 CLK IN CLK SEL 30 31 Vss2 Vss1 Vss3 VDD2 VDD1 VDD3 F
5、ILTD FILTS 3233 13 2 24 121 23 MCLK44 SCLK 43 LRCLK 42 AU DATA0 41 AU DATA1 40 AU DATA2 39 XMT958 3 IC1001 CS49326-CLR AC3/DTS DECODER DSP FILT 171940 +VA +VD CM OUT 1636 SCD OUT 19 EMWR 4 EXTMEN 2120 INTREQ 5 EMOE SCDIN 6 SCCLK 7 CS 18 RESET 36 INTREQ SCD OUT D OUT1 D IN3 32 D IN2 33 D IN1 343031 M
6、CLK OUT 37 LRCK SCLK 38 AUDATA0 AUDATA1 AUDATA2 X1001 (12.288MHz) SCLK SCLK LRCK LRCK A OUT3(4) 23 (24) CCLK CD OUT CD IN CS PDN AUDIO AIN1L(AIN1R) OVL/ERR CCLK CD OUT CD IN OVL/ERR PDN CS42 CS RESET CS49 43 RX1 RX2 AIN2L(AIN2R) A OUT1(2) 21 (22) Q1001 POWER 11(12) AIN1L 14 VSSA 35 VDDA 34 TV (OPTIC
7、AL) DVD (OPTICAL) CD (OPTICAL) DIGITAL POWER SUPPLY AUDATA0 AUDATA1 AUDATA2 XMT958 XMT958 DIGITAL AUDIO INPUT INTERFACE FRAMER SHIFTER ROM PROGRAM MEMORY RAM DATA MEMORY INPUT BUFFER CONTROLLER RAM OUTPUT BUFFER OUTPUT FORMATTER PARALLEL OR SERIAL HOST INTERFACECOMPRESSED DATA INPUT INTERFACE SPDIF
8、RECEIVER BUFFER AMP BUFFER AMP IC1005 SN74HCU04APW LOGIC CONTROL BUFFER AMP L_DSP A OUT MCLK MCLK XTI 28 AINAUX 15 +B +B +B+B +B +B +B RadioFans.CN 收音机爱 好者资料库 IC406 NJM4580EDTE1 IC1203 NJM4580EDTE1 IC1901 M38B57M6154F SYSTEM CONTROL -B CS42 PDN POWER OVL/ERR OVL/ERR POWER PDN CS42 21776579 CS RESET
9、80 CS RESET CS49 CS49 69 SCD OUT 72 SCD OUT STB S CLK S DAT S 252627 22(7) 24(5) 23(6) X3 X4 X2-1 21(8) 4 3 SW CONT. CLK STB DATA 131516 C CLK CD OUT CD IN CCLK CD OUT CD IN 647071 INT REQ INTREQ 22 2 X1-1 X2-226 27 25 X1-2 10(19) X5 20(9) X6-1 14 GND Vss 1 X OUT X IN 1514 CF1901 10 Q1901 RESET 23 H
10、OLD CLOCK CK VR DATA DT VR 56 S CLK CM CK S OUT CM DO 6667 S IN CM DI 68 16 VDD 74 VREF REQS CM RQS 76 REQM CM RQM 7873 AVSS 13 GND 28 -VP ST SEL CK SEL DT SEL 9 INT2 57 INT RESET Q1902,D1901 MUTEA 29 BUFFER AMP DVD SW TV IC1205 NJM4580EDTE1 BUFFER AMP IC1202 NJM4580EDTE1 MIXER STATUS ST VR 4 MUTE_S
11、 IC403 TC9162AN SIGNAL SELECTOR C_IN DSP_SW DVD_LCH STB S 75 VR501 (VR_PS) BUFFER AMP DSP_SW A OUT REC_L L_DSP RESET DVD C D_C +B +B+B +B RadioFans.CN 收音机爱 好者资料库 IC1211 TC9459F SOUND CONTROLLER (VOLUME) IC1213 TC9459F SOUND CONTROLLER (VOLUME) IC1212 TC9459F SOUND CONTROLLER (VOLUME) IC506 NJM4580DD
12、 IC1208 NJM4580EDTE1 IC505 NJM4580DD Q1201 MUTING 131214 131214 4 (21) L ch IN (Rch IN) 2 LOUT BUFFER AMP TONE AMP RL501 (D/A) Q511,Q513 (Q512,Q514) REGULATOR VR502 (BALANCE) TONE AMP RL502 (VGCA) RL503 (BI-AMP) RL504 D/A (LS) 2 IC1210 NJM4580EDTE1 BUFFER AMP TONE AMP IC507 NJM4580DD TONE AMP IC502
13、NJM4580EDTE1 VR501 (SL) Q503 RELAY DRIVE Q501 RELAY DRIVE Q507,Q508 (Q509,Q510) MUTING RELAY DRIVE Q502 SL_OUT 21 SW_IN 23(2) LOUT 13 IC1209 NJM4580EDTE1 BUFFER AMP 1214 IC508 NJM4580DD TONE AMP SUBWOOFER OUT IC504 NJM4580EDTE1 TONE AMP 4 C_IN MAIN_LIN MAIN_LS DT_VR CK_VR MUTE_S ST_VR DT_VR CK_VR ST
14、_VR ST_VR CK_VR DT_VR RL505 (C) Q515 (Q516) RELAY DRIVE DPASS BUFFER AMP IC405 NJM4580EDTE1 DVD SL 4 (21) SL_IN C_IN 16 9 CS1 DT2 CLK2 STB2 DT3 CLK3 STB3 CS2 DT1 CLK1 STB1 D/A D/A LCH M D_C RCH YC YC YC -B IC302 NJM2279D VIDEO SELECTORIC501 BA6218 MOTOR DRIVER IC902 BU2090A I/O EXPANDER IC301 NJM227
15、9D VIDEO SELECTOR IC901 M38B57MCA242 SYSTEM CONTROL/FL DRIVE 7071727678 COM CK COM DO COM DI COM REQS COM REQM CM CK CM DO CM DI CM RQS CM RQM 79 VIDEO B 80 VIDEO A VIDEO B VIDEO A 10 RESET Q901 22 HOLD 60 VOL DOWN DATA 23 CLK 1 VSS 17 LED CK 18 LED DATA 16 VDD 47, 915 Q011 Direction select Drive 2,
16、5, 8 31 6 79 M 61 VOL UP RESET 9 REMOTE Z901 (REMOTE SENSOR) VREF VEE 7428 Q902 16 VDD REGULATOR 24 DPASS 27 VGCA 69 MMD_CTRL MAIN_CIN 11 VGCA MAIN_CIN 3 12 10 11 2 2 3 12 10 11 TV/MONITOR OUT DVD VCR1 IN MMD_CTRL D302 D301 13 C +B +B +B +B +B+B +B -B -B -B +B +B -B -B -B -B +B -B -B -B IC901 M38B57
17、MCA242 SYSTEM CONTROL/FL DRIVE 63,75 IF DATA SD 3348 SEG 116 4958 DEG1 110 FL DISPLAYFL901 59 INIT IN IC601 RSN313H25-P POWER AMP HIC 29 S/C SP 25 RLY 30 SP B SP A 31 S/C SP RLY SP B SP A 5 OVERLOAD2 Q616 64 LIMITER KEY SWITCH 1,2 KEY 1,2 X OUT X IN 1514 CF901 VR901 (INPUT SELECTOR) 21 SEL1 SEL2 23
18、LIMITTER S-DET 2 AC Det 13 18 14 12 22 5 3 6 21 20 4 -B +B 1 18 + - + - 15 7 Mut Out +VccLow -VccLow -VD -Vcc Hi -VHout Out 2ch Out 1ch -VHout +Vcc Hi +VD IH Det +IN Gnd -IN 2ch 8 Gnd 11 Overload Display -IN 1ch 9 Over Det 10 DC Det +B IC651 RSN313H25-P POWER AMP HIC 2 AC Det 13 14 19 12 22 5 3 6 21
19、 20 4 1 18 + - + - 15 7 Mut Out +VccLow -VccLow -VD -Vcc Hi -VHout Out 2ch Out 1ch -VHout +Vcc Hi +VD IH Det +IN Gnd -IN 2ch 8 Gnd 11 Overload Display -IN 1ch 9 Over Det 10 DC Det -B D652 RCH IC602 RSN313H25-P POWER AMP HIC 2 AC Det 13 14 19 12 22 5 3 6 21 20 4 -B +B 1 18 + - + - 15 7 Mut Out +VccLo
20、w -VccLow -VD -Vcc Hi -VHout Out 2ch Out 1ch -VHout +Vcc Hi +VD IH Det +IN Gnd -IN 2ch 8 Gnd 11 Overload Display -IN 1ch 9 Over Det 10 DC Det D652 +B H.P.F L.P.F L.P.F AF MUTE 32 AMUTE Q652 Q651 Q614 3 THERM/OVLD 4 KEY4 Q613 Q615 LIMITTER Q612 SWITCH Q611 MAIN_LS MAIN_LIN RELAY DRIVE CONTROL SWITCH
21、SWITCHSWITCH 6567 TCE TCK TDT TO TUNER MODULE L.P.F H.P.F M RELAY DRIVE CONTROL -B-B +B +B -B +B +B +B RCH RCH RCH RCH -B -B -B Q601 Q602 Q1681 (Q1682) R ch HP601 HEADPHONES Q603 RL601 RL602 RL604 RL603 M Q772Q778, Q780,Q781 POWER TRANSFORMER (MAIN) POWER TRANSFORMER (SUB) T701 SP A SP B S/C SP Q751
22、 RLY D701D704 Q707,D707 F3 F4 Q708,D708 Q724 T751 D721D728 D751D754 Q752,Q753 Z751 F1 RL751 JK791 AC IN L701 SPEAKER AC1 AC2 FL DISPLAY (FL901) F5 Q1701Q1703 IC1701 PQ30RV11 D741D744 MUTING RELAY DRIVE RELAY DRIVE RELAY DRIVE FRONT SPEAKER(A) FRONT SPEAKER(B) CENTER SPEAKER SURROUND SPEAKER FAN MOTO
23、R DRIVE FAN MOTOR RELAY DRIVE JK792 AC OUTLET (SWITCHED) REGULATOR REGULATOR S-DET Q723 REGULATOR REGULATOR RELAY DRIVE H.P.F AMUTE Q653 Q607 RL605 RELAY DRIVE Q606 SIGNAL AMP MMD OUT OUT OVER DET OVER DET Q754 REGULATOR Q725 Q706 SWITCH SIGNAL LINES MAIN SIGNAL LINEFM & AM SIGNALS LINE CD SIGNAL LI
24、NE PLAYBACK SIGNAL LINE RECORD SIGNAL LINE ( ) indicates Pin No. of right channel. DVD (AUDIO/VIDEO) SIGNAL LINE C RELAY DRIVE CONTROL REGULATOR REGULATOR REGULATORREGULATOR Q701,Q703,Q704 +B +B +B +B +B M38B57MCA242 (80p) M38B57M6154F (80p) CS4226-KQG (44p) BA6218TC9459FRSN313H25-PAN6558F NJM2115D
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