Technics-SADX980-avr-sm 电路图 维修手册.pdf
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1、RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 1920212223 AM MIX 12 LEVEL DET FM IF S- CURVE 2 3 REG 4 13 AGC COMP. 68110 AM RF AMP AM IF AM/FM IF BUFFER 24 1 FM DET AM OSC BUFF. ALC Tuning Drive 18 FM ANT RF AMP FM MIXER LOCAL OSC 9 Vcc +B(FM) +B3 AM IFT 1 20 7.2MHz XIN XOU
2、T CE2 3 DI 4 CL D05 98710 STRQ SDC FM 15 VDD 16 PD IFIN 11 LW 1/2 14 13 FM IN AM IN +B3 +B5 +B(FM) SD TCE TDT IF DATA 17 LA1844 FM / AM I F AMP, DET / AM OSC, MIX / FM MPX 1516 VCOFFFFFF AM DET AM6 MONO 12 19 Vss POWER ON RESET LC72131M PLL FREQUENCY SYNTHESIZER +B3 GND 5 7 ST MONO FM/AM SD FMDET FM
3、 IF IN OSC OUT AFC OSC AM RF IN AGC AM OUT DET OUT PILOT IN MPX IN PILOT OUT Lch 14 Rch 17 18 AIN AOUT AM ANT COIL AM OSC COIL AM ANT +B3 STRQ AM IF IN AM MIX OUT Rch IFT +B(FM) +B(FM) +B(FM) Z101 TUNER UNIT BUFFER AMP FM IF AMP PHASE DET. STEREO SW DECODER PILOT CANCEL PILOT DET UNIVERSAL COUNTER D
4、ATA SHIFT REGISTER LATCH 12 BIT PROGRAMMABLE DIVIDER SWALLOW COUNTER 1/6,1/17 4bit PHASE DETECTOR CHARGE PUMP REFERENCE DIVIDER POWER SUPPLY (FM:ON) TCK BUFFER AMP BUFFER AMP BUFFER AMP AN6558F IC451 CD 67 GND2GND1 -B1 14 -V Q352Q351 +B1+V 8 5 4 DT SEL CK SEL ST SEL VIDEO A VIDEO B 1311 D353D354 10
5、1 3 2 12 NJM2279D IC351 SIGNAL SELECTOR (VIDEO) 3 (26) X2 X1 X3 2 (27) 4 (25) 5 (24) 6 (23) 7 (22) X4 X5 9 (20) 10 (19) 12 (17) X7 X8 TC9163AN IC401 SIGNAL SELECTOR (AUDIO) Level shift Latch circuit Shift register GND 11 (18) 16 15 13 14 8 (21) X6 TV IN Vss 1 -B1 +B1 28 VDD NJM4580DD IC402 Buffer am
6、p. PHONO IN OUT VCR REC (OUT) PLAY (IN) TAPE VCR OUT MONITOR OUT VIDEO TV IN DVD IN VCR IN REGULATORREGULATOR PHONO EQ AMP AUDIO A 42 44 RX3 18 A GND1 A GND2 D GND2 D GND1 203941727 SPI DEM A OUT6 26 A OUT5 25 345689 10 (13) CS4226-KQG IC1002 DIR/DAC/VOL 24-bit DSP PROCESSING RAM PROGRAM MEMORY RAM
7、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 FILTD FILTS 3233 13 2 24 121 23 +B3 MCLK44 SCLK 43 LRCLK 42 AU DATA0 41 AU DATA1 40 AU DATA2 39 XMT958 3 CS49326-CLR IC
8、1001 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 SN74LV244APW IC1003 LOGIC CONTROL SN74AHCT244PW IC1004 LOGIC CONTROL INTREQ SCD OUT D OUT1 D IN3 32 D IN2 33 D IN1 34 XTI 283031 MCLK OUT 37 LRCK SCLK 38 AUDATA0 AUDATA
9、1 AUDATA2 SNAHC1U04DBV IC1006 INVERTER SN74HCU04APW IC1005 LOGIC CONTROL X1001 (12.288MHz) SCLK SCLK LRCK LRCK +B7 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 CSRESET CS49 +B3 +B1 43 RX1 RX2 NJM2115D IC1206(1207) AIN2L (AIN2R) A OUT1(2) 2
10、1 (22) +B1 Q1001 POWER 11 (12) AIN1L 14 VSSA 35 VDDA +B3 34 TV (OPTICAL) DVD (OPTICAL) CD (OPTICAL) DIGITAL POWER SUPPLY +B5 AUDATA0 AUDATA1 AUDATA2 XMT958 XMT958 +B3 DIGITAL AUDIO INPUT INTERFACE FRAMER SHIFTER ROM PROGRAM MEMORY RAM DATA MEMORY INPUT BUFFER CONTROLLER RAM OUTPUT BUFFER OUTPUT FORM
11、ATTER PARALLEL OR SERIAL HOST INTERFACECOMPRESSED DATA INPUT INTERFACE SPDIF RECEIVER BUFFER AMP CS42 PDN POWER OVL/ERR OVL/ERR POWER PDN CS42 21776579 CS RESET 80 CS RESET CS49 CS49 69 SCD OUT 72 SCD OUT STB S CLK S DAT S 252627 7 (22) 5 (24) 6 (23) X3 X4 X2-1 8 4 3 SW CONT. CLK STB DATA 131516 C C
12、LK CD OUT CD IN CCLK CD OUT CD IN 647071 INT REQ INTREQ 22 2 X1-1 X2-226 27 25 X1-2 10 X5 9 +B1 28 VDD X6-1 X6-220 19 X6-2 21 X7 12 (17) 11 (18) TC9162AN IC404 SIGNAL SELECTOR (AUDIO) 14 GND Vss 1 -B1 NJM4580DD IC1203(1/2) NJM4580DD IC1203(1/2) NJM2060D IC1204(1/2) X OUT X IN 1514 CF1901 10 Q1901 RE
13、SET 23 HOLD CLOCK CK VR DATA DT VR 56 S CLK CM CK S OUT CM DO 6667 S IN CM DI 68 16 VDD +B6 74 VREF +B6 VOLUME VR PS 75 REQS CM RQS 76 REQM CM RQM 7873 AVSS 13 GND 28 -VP ST SEL CK SEL DT SEL 9 INT2 57 INT RESET POWER SUPPLY +B6 Q1902,D1901 DVD NJM2060D IC1204(1/2) BUFFER AMP BUFFER AMP BUFFER AMP M
14、UTEA 29 D1903 M38B57M6153F IC1901 SYSTEM CONTROL BUFFER AMP NJM4580DD IC1205 BUFFER AMP NJM2060D IC1201(1/2) BUFFER AMP A B DT VR CK VR 6 (31) L ch IN (Rch IN) M62490FPE1 IC1208 SOUND CONTROLLER (VOLUME CONT.) 15 (22) L ch OUT (Rch OUT) 18 19 DT1 CLK1 NJM4580DD IC1202 VREF 1 9 (28) 13 (24) 31 S.W IN
15、 15 LS OUT 18 19 DT1 CLK1 9 (28) 13 (24) LS IN 6 31 C IN C OUT 18 19 DT1 CLK1 9 (28) 13 (24) 1 M62490FPE1 IC406 SOUND CONTROLLER (VOLUME CONT.) M62490FPE1 IC405 SOUND CONTROLLER (VOLUME CONT.) 1 S.W OUT 22 22 DT VR CK VR DT VR CK VR 16 GND 16 GND 16 GND NJM4580DD IC407 VREF +B9 21 +B6 VDD 36 +B9 VCC
16、 21 +B6 VDD 36 +B9 VCC 21 +B6 VDD 36 +B9 VCC RS INRS OUT 156 RchRch REGULATOR +B1 Q1201,D1281 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 75 SD 65 TCE 63 IF DATA VIDEO B VIDEO A SD TCE IF DATA 10 RESET Q901 22 HOLD M38B57M6152F IC901 SYSTEM
17、 CONTROL / FL DRIVE 60 VOL DOWN 3 6 12 10 1314 15 168 VDDVss-B1 9 11 7 R ch R ch R ch 4 2 5 Tone amp. Treble Bass VR511,512 NJM4580DD IC511 VR502 (BALANCE) R chR ch Direction select Drive 2,5, 8 31 6 +B8 79 M BA6218 IC501 MOTOR DRIVE VR501 (VOLUME) TC9214AP IC551 SIGNAL SELECTOR +B1 1373 GND AVSS 61
18、 VOL UP VOL UP VOL DOWN VOL UP VOL DOWN RESET 24 D.PASS 9 REMOTE Z891 (REMOTE SENSOR) VREF VEE 7428 +B9-B2 +B6 VR PS Q902 +B9+B10 16 VDD +B10 6766 TDT TCK TDT TCK POWER SUPPLY X OUT X IN 1514 CF901 3348 SEG 116 4958 DEG1 110 FL DISPLAYFL901 59 INIT IN NJM2060D IC602 Q554 Q553 NJM2060D IC602 Q551 (Q5
19、52) 32 AF MUTE Reg. REG. 19 2 5 +B12 14 24 (21) 1 (7) 22 4 15 -B3 6 -B3 3 -B4 20 GND 9 RLY 1612 DISP 17 VD 10 OVERDET RSN310R36-P IC601 POWER AMP RSN313H25-P IC651 POWER AMP Q505 (Q506) 29 S/C SP 25 RLY 30 SP B SP A 31 S/C SP RLY SP B SP A 5 OVERLOAD2 3 THERM/OVLD D605 Q651,652 L4 (R4) L5 (R5) C4 M3
20、8B57M6152F IC901 SYSTEM CONTROL / FL DRIVE BU2090A IC903 LED DRIVE DATA 23 CLK 1 VSS 17 LED CK 18 LED DATA 16 VDD+B10 +B8 47, 915 Q011 D931942 (PHONO/TUNER/CD/ DVD/TV/VCR/ TAPE MONITOR/SFC/ DIGITAL INPUT/SURROUND/ STEREO) Q604 Q605 64 LIMITER D617 +B11 D602 KEY SWITCH 1,2 KEY 1,2 VR903 (SFC MODE) 19
21、 SFC1 SFC2 20 VR901 (INPUT SELECTOR) 21 SEL1 SEL2 23 VR902 (DSP) 68 SUR1 SUR2 69 21 (20) 11 15 D912 BUFFER AMP BUFFER AMP AUDIO MUTING SUB WOOFER OUT MUTING MUTING BUFFER AMP SL3 (SR3) SL4 (SR4) MUTING 3 (6) 9 D655 RLY DSP LIMITTER SWITCH- ING OVERDET VH+ 1 +B11 VH- 2 -B3 +B11 D601 +B11 D651 4 +H OU
22、T -B3 D652 -H OUT 5 AC RELAY DRIVE CONT. AC 8 7 AC GND 8 SENS+ SENS- +B12 -B4 13 14 +VD -VD +B12 -B4 18 19 S-DET 4 KEY4 B NJM4580DD IC652 C3 Q601 Q602 N Q1681 (Q1682) R ch HEADPHONES Q603 RL601 RL602 RL604 RL603 M Q771773, 776779, 780,781 POWER TRANSFORMER (MAIN) POWER TRANSFORMER (SUB) T701 SP A SP
23、 B S/C SP Q751 RLY D701704 +B12 Q707,D707 -B4 -B2 F3 F4 Q708,D708 D401 Q701,703705 Q706 T751 D721728 D751754 D921 Q752,753 -B1 -B3 +B11 +B2 +B1 +B8 +B3 +B9 +B10 Z751 F1 L6 (R6) C5 SL5 (SR5) -B1 RL751 AC INL701 SPEAKER Q774,775 D901 AC1 AC2 FL DISPLAY (FL901) F5 +B4 Q1701 +B7 Q1702,1703 +B6 +B5 PQ30R
24、V11 IC1701 D741744 AC MUTING RELAY DRIVE RELAY DRIVE RELAY DRIVE FRONT SPEAKER(A) FRONT SPEAKER(B) CENTER SPEAKER SURROUND SPEAKER MOTOR DRIVE FAN MOTOR OVER LOAD DET RELAY DRIVE REGULATOR REGULATOR SWITCH- ING REGULATOR S-DET Q723725 REGULATOR REGULATOR REGULATOR REGULATOR POWER SUPPLY Q1703 REGULA
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