DigiTech_TEC4X_Service_Manual电路图.pdf
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1、ECN#DATEECN#DATEDESCRIPTIONREVISIONDESCRIPTION |LINK REVBY |5320A9_2.SCH |5320A9_3.SCH |5320A9_4.SCH |5320A9_5.SCH |5320A9_6.SCH |5320A9_7.SCH A0 A1CHANGE R154 TO 2K TO FIX DISTORTION RELEASE TO PRODUCTIONJTL17758.27.97 JTL17808.27.97 A1OMIT R304JTL17808.27.97 A2CHANGE R265 CHANGE R221-R224 TO 50-15
2、15JTL17909.2.97 A3MOUNT R322 ON COMP.SIDE TO STOP NOISE WHEN SWITCHING PRESETSJTL184210.27.97 A4OMIT C181 AND MOUNT C235 ON COMP SIDE TO STOP MICROPHONICSJTL12.10.97 A5CHANGE C183 TO 100UFJTL A5CHANGE R310 TO 0 OHMJTL A5 A5 A5 A5 OMIT C230JTL JTL JTL JTL A5 A5 A5 JTL JTL JTL 2.27.98 2.27.98 2.27.98
3、2.27.98 2.27.98 2.27.98 2.27.98 2.27.98 2.27.98 CHANGE R264,R265,R266 AND R267 TO 33K CHANGE R286,R287,R288 FROM 15K TO 2K CHANGE C213 FROM .0015 TO .015 CHANGE C214 FROM 330PF TO .0033 CHANGE C215 FROM .0047 TO .047 CHANGE R194 TO 0 OHM 2055 2055 2055 2055 2055 2055 2055 2055 2055 2055 A6CHANGE R31
4、0 TO 20KCJW3.10.982085 A7REMOVE BATERY CLIPRR3.12.98 A8CJW3.26.98ADD D49 TO KEEP L26 AND L27 FROM BURNING UP 2086 2121 A9CHANGE VALUES OF Q13,R156,R155,R157,C125,C130JTL4.20.98 A9 A9 TIE U38.23 TO +5VA WITH JUMPER,OMIT R290JTL4.20.98 ADD R323 TO COMP. SIDE OF PCB TO PREVENT POPINGJTL4.20.98 A9CHANGE
5、 R192 FROM 10K TO 33K A9CHANGE R191 FROM 10K TO 4.7K JTL JTL 4.20.98 4.20.98 2235 2235 2235 2235 2235 A9 A9 JTL JTL 2235 2235 4.20.98 4.20.98CHANGE R152 FROM 20K TO 10K A9JTL22354.20.98 A9 CHANGE R127 FROM 220K TO 10K OMIT THE FOLLOWING BT1,R315,C233,Q21,R316,R317,R318A9 CHANGE R139 FROM 10K TO 20K
6、CHANGE R154 FROM 2K TO 470 OHM,R305 FROM 10 OHM TO 3.3K OHM JTL JTL 2235 2235 4.20.98 4.20.98 Thursday, January 27, 2000 5320A9.SCHA9 TEC4X DOD Electronics Corp. 8760 South Sandy Parkway Sandy, Utah 84070 B 17 Title SizeDocument NumberRev Date:Sheet of RadioFans.CN 收音机爱 好者资料库 INPUT Thursday, January
7、 27, 2000 5320A9_2.SCHA9 TEC4X PREAMP DOD Electronics Corp. 8760 South Sandy Parkway Sandy, Utah 84070 B 27 Title SizeDocument NumberRev Date:Sheet of COMP_OUT GATE_SENSE COMP_OUT DIST_OUT DIST_OUT DIST_TYPE VBIAS VBDIST +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +9VDC +
8、9VDC +9VDC +9VDC VBIAS VBIAS VBIAS VBIAS VBIAS VBIAS VBIAS VBIAS VBDIST VBDIST VBDIST VBDIST VBDIST VBDIST VBDIST VBDIST VBDIST VBDIST C139 1M50E1 R153 51-7 C115 .047MD7 C106 1M50E1 C101 10ME1 Q12 2N4125 R150 100-7 R137 10K-7 C114 .047MD7 R128 62K-7 R132 33K-7 C108 330PKD7 C117 .047MD7 R131 10K-7 C1
9、24 47PJD7 R167 470K-7 R165 10K-7 C121 10ME1 R140 75K-7 C140 .047MD7 C102 10ME1 R136 6.8K-7 R138 1M-7 R87 220K-7 R129 3.3K-7 C31 47PJD7 U21A NJM4560/SM 3 2 1 4 R142 3.3K-7 J7 J320119 2 5 4 1 3 6 C127 .047J U25 2159 1 3 5 6 2 47 8 C137 120PJD7 R149 2K-7 R134 100K-7 C153 1M50E1 U29A 4053/SM Y 14 S 11 A
10、 12 B 13 U29B 4053/SM Y 15 S 10 A 2 B 1 R197 220K-7 C154 120PJD7 R198 1M-7 Q18 2N5088 C155 .033J R199 10K-7 R200 47K-7 R201 2K-7 Q19 J201 2 1 3 R202 1M-7 R203 220K-7 U29D 4053/SM EN 6 VD 16 VS 8 VE 7 C107 47PJD7 C186 .047J R252 220K-7 R253 47K-7 C192 47PJD7 C152 47PJD7 C193 .047MD7 U34B NJM4560/SM 5
11、 6 7 8 Q20 2N5088 R300 100-7 C219 1M50E1 C157 .047MD7 R245 100K-7 R246 100K-7 U21B NJM4560/SM 5 6 7 8 R130 100K-7 U27B NJM4560/SM 5 6 7 8 U34A NJM4560/SM 3 2 1 4 C156 .010J R205 47K-7 R117 100K-7 C187 .22LLME1 C122 .22LLME1 L11 FB260219 U26B MC33202D 5 6 7 8 U22A MC33202D 3 2 1 4 U22B MC33202D 5 6 7
12、 8 U26A MC33202D 3 2 1 4 C151 47PJD7 C228 .22LLME1 C229 .22LLME1 R308 1M-7 Q16 2N5484 C34 15PJD7 R143 OMIT R146 OMIT R147 OMIT R204 470K-7 U27A NJM4560/SM 3 2 1 4 C220 .047MD7 L13 FB260219 R3091M-7 R313 100-7 C234 1M50E1 R319 47K-7 R124 47K-7 D35 1N914-7 21 3 D33 1N914-7 21 3 D30 1N914-7 21 3 D34 1N
13、914-7 21 3 D31 1N914-7 21 3 D39 1N914-7 21 3 D40 1N914-7 21 3 D43 1N914-7 21 3 C113 .22LLME1 R172 100K-7 R190 220K-7 R320 4.7K-7 Q15 2N5088 R133 4.7K-7 U29C 4053/SM Y 4 S 9 A 5 B 3 C129 4.7ME1 R166 100-7 C118 .047J R321 47K-7 C183 100ME1 C230 OMIT R195 OMIT R194 0-7 C232 100ME1 C134 100ME1 R310 20K-
14、7 R192 33K-7 R191 4.7K-7 R121 62K-7 C125 .015J R155 10K-7 R156 1K-7 R157 47K-7 C130 .0010J Q13 2N5088 R305 470-7 R152 10K-7 R127 10K-7 R139 20K-7 R154 3.3K-7 CMP_DIST_OUT GATE_SENSE DISTPWM COMPPWM COMPSEL DISTSEL DIST_TYPE BATTSWITCH COMP_OUT GATE_SENSE COMP_OUT DIST_OUT DIST_OUT DIST_TYPE RadioFan
15、s.CN 收音机爱 好者资料库 SOLDER ON COMP. SIDE OF PCB JUMP WITH WIRE ON COMP. SIDE Thursday, January 27, 2000 5320A9_3.SCHA9 TEC4X A/D/A DOD Electronics Corp. 8760 South Sandy Parkway Sandy, Utah 84070 B 37 Title SizeDocument NumberRev Date:Sheet of +5V +5V +5V +9VDC +5VA +5V VBIAS +5VA L23FB260217 C216 .047M
16、D7 R294 OMIT R297 OMIT R298 OMIT C208 470PMD1 C21010ME1 C211 10ME1 C21715PJD1 C21825PJD1 U39A NJM4560/SM 3 2 1 4 C212 .047MD7 C221 10ME1 C206 10ME1 C207 10ME1 R306 10-7 R307 10-7 omit C231 .0015J U39B NJM4560/SM 5 6 7 8 R312 20K-7 R302 OMIT R303 OMIT C209 470PMD1 R291 OMIT R295 10K-7 R296 10K-7 R292
17、 OMIT R293 OMIT R299 10K-7 R223 100-7 R224 100-7 R222 100-7 R221100-7 R322 100K C213 .015J C214 .0033J C215 .047J R289 1M-7 R288 2K-7 R286 2K-7 R287 2K-7 R323 100K R290 OMIT L34FB260217 L33FB260217 L32FB260217 L31FB260217 U38 PCM3001 CINPL 10 CINNL 9 VINL 1 VREFL 4 VREFR 5 CINNR 8 CINPR 7 VOUTL 15 V
18、COM 11 VOUTR 12 LRCIN 16 BCKIN 17 DIN 18 DOUT 19 FMT0 27 FMT1 26 FMT2 25 RSTB 28 XTI 20 XTO 21 CLKIO 22 VDD 23 DGND 24 VCC1 2 AGND1 3 VCC2 14 AGND2 13 VINR 6 CMP_DIST_OUT S_DATA LR_CLK *RESET GATE_SENSE F_XTAL S_CLK SO_DATA AOUTL FMT2 FMT1 FMT0 RadioFans.CN 收音机爱 好者资料库 Thursday, January 27, 2000 5320
19、A9_4.SCHA9 TC4 DSP DOD Electronics Corp. 8760 South Sandy Parkway Sandy, Utah 84070 B 47 Title SizeDocument NumberRev Date:Sheet of S_CLK F_XTAL STRB DSP_R/*W CS1 PLOAD DREADY CLOAD DSP_MUTE RS AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 AD0.7 +5V +5V +5V +5V R242K-7 R23 47K-7 U5 TMS57002/SM BCKI 75 LRCKI 76 SY
20、NC 80 CLKIN 11 R/W 66 ED0 24 ED3 19 ED5 17 ED7 15 BCKO 2 SI0 78 STRB 70 EMPTY 63 CS 65 PLOAD 67 CLOAD 69 MUTE 64 RS 60 D7 55 D6 54 D5 51 D4 50 D3 48 D2 47 D1 46 D0 45 PC0 56 BIO 57 OVFA 58 OVFM 59 SYPOL 1 CLKSEL 10 TEST0 38 TEST1 39 TEST2 40 VCC 33 VCC 52 VCC 53 VCC 72 VSS 73 VSS 32 VSS 13 VSS 12 SO
21、1 7 SI1 79 EA0 25 EA1 26 EA2 28 EA3 30 EA4 31 EA5 34 EA6 35 EA7 37 EA8 41 EA9 42 WE 14 CAS 8 RAS 9 ED1 23 ED2 20 ED4 18 ED6 16 LRCKO 5 SO0 6 DREADY 68 R3810-7 R3910-7 R3710-7 C22 .047MD7 U7 4464-100A A7 10 A6 6 A5 7 A4 8 A3 11 A2 12 A1 13 A0 14 RAS 5 CAS 16 WE 4 D0 2 D1 3 D2 15 D3 17 G 1 VCC 9 GND 1
22、8 C20 .047MD7 U6 4464-100A A7 10 A6 6 A5 7 A4 8 A3 11 A2 12 A1 13 A0 14 RAS 5 CAS 16 WE 4 D0 2 D1 3 D2 15 D3 17 G 1 VCC 9 GND 18 C16 .047MD7 R27 10-7 C13 10ME1 C27 10ME1 C11 .047MD7 C77 .047MD7 U37 74HC4040/SM CLK 10 CLR 11 QA 9 QB 7 QC 6 QD 5 QE 3 QF 2 QG 4 QH 13 QI 12 QJ 14 QK 15 QL 1 R283 100-7 R
23、284 100-7 R285100-7 C226 15PJD1 C225 15PJD1 C224 15PJD1 AD0.7 STRB EMPTY CS1 PLOAD CLOAD RS DREADY AD0.7 SO_DATA S_DATA DSP_R/*W BIO *OVFM DSP_MUTE F_XTALXTAL/2 S_CLK LR_CLK S_CLK F_XTAL STRB DSP_R/*W CS1 PLOAD DREADY CLOAD DSP_MUTE RS AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 RIGHT OUT MOUNT OF COMP SIDE Thu
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