Nad-T-571-AH-Schematic(1) 电路图 维修手册.pdf

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1、NOTES) Warning NOTES) Parts that are shaded are critical NOTES) With respect to risk of fire or NOTES) electricial shock. 470F/2.3V 01. 09. 21 R10581B 3-173-18 CIRCUIT DIAGRAM 1. POWER(SMPS) CIRCUIT DIAGRAM NOTE : 1. Shaded( ) parts are critical for safety. Replace only with specified part number. 2

2、. Voltages are DC-measured with a digital voltmeter during Play mode. Oscillation abnormal Digitron no Power 3.3V line dead. No Power 8V line dead 5V_A/5V_D, No Power No Power RadioFans.CN 收音机爱 好者资料库 3-193-20 5 56 Spindle Servo Loop RF SIGNAL Focus Servo Loop Tracking Servo Loop Sled Servo Loop WAVE

3、FORM 2. DVD DSP CIRCUIT DIAGRAM DVD/CD picture audio abnormal MPEG Interface Line -com Interface Data -com Interface adress CD/DVD picture audio abnormal Tracking/Focus Servo fail Tracking Servo fail Spindle Motor abnormal CD/DVD picture audio abnormal Focus Servo fail Tracking Servo fail Scratched

4、Disc abnormal Sled Servo fail DRAM Control Disc Detect Error Spindle Servo fail RadioFans.CN 收音机爱 好者资料库 3-213-22 3. DRIVE & RF CIRCUIT DIAGRAM 4 1 6 2 3 1 WAVEFORM Spindle Servo Loop Turn Table Loop Focus Servo Loop Tracking Servo Loop Sled Servo Loop Turntable not operate Tray Loading Speed control

5、 Turn table speed control Spindle Motor unstableActuator spindle sled not operate DVD laser not operate CD laser not operate Servo fail DVD Mode fail DVD Laser not operate Tracking Servo fail Focus Servo fail -com Interface line CD/DVD picture abnormal RadioFans.CN 收音机爱 好者资料库 4 4 3 75 26 WAVEFORM OP

6、TICAL/COAXITAL OUT Y/Pb/Pr(Component) Y.c(S-VHS) Audio L/R OUT CVBS 3-233-24 4. PANTERA CIRCUIT DIAGRAM No Power on Audiuo DAC Interface System not operate DSP interface line Spindle Motor unstable System not working or Digitron not display. 3-253-26 WAVEFORMS IC2A1 Pin 42, Focus Error IC2A1 Pin 36,

7、 Pi IC2A1 Pin 41 Tracking Error IC501 Pin 114 Component Y IC2A1 Pin 41 VBR TRACKING Error IC2A1 Pin 57, RF IC201 Pin 88, SLED Drive(FMO) IC201 Pin 18, SLED FG IC2A1 Pin42, Focus Error(in Focus Search) IC201 Pin 83, Focus Drive(FDO) IC501 Pin 118, CompositeIC501 Pin 112, Chrominance (Super video out

8、Mode) Tek Stop : 2.50MS/s4 Acqs M20.0s 2 Apr 1999 14:47:27 GlitchCh1 Ch3500mV T T 3 IC501 Pin 114, Luminance (Super video out Mode) Tek Stop : 1 00kS/s3290 Acqs M 500sCH1 280/mV Edge Slope Type Source Ch1 Coupling DC Level 280mV Mode & Holdoff 3 Ch31.00V T T Slope T IC501 Pin 99, PANTER MAIN IC501 P

9、in 112 Component Pb IC501 Pin 110 Component Pr TURN(+)(-) from Motor Drive Reverse turn Sensor 1 (disc position) Sensor 2 (disc ready) TURN(+)(-) Signal from -com TE/TZC After tracking servo ON (Play mode) TURN(+)(-) from Motor Drive Forward turn TE/TZC Before tracking servo ON TZC/MIRR (Search mode

10、)FG Signal from M/D (Play mode) TE/SLD(+) Search mode (outter & inner)Tray open Tray closed 3-273-28 5. MEMORY CIRCUIT DIAGRAM Program download fail Digitron abnormal Not used Not power on Not memoried setup Menu Turntable not operating “No Disc” display Tray not open/close Tray not closed Pick-up n

11、ot initial operating Disc Detec Error Disc number detect error Digitron all not display and system not operate Digitron all not display System not working Digitron all not display System not working 3-293-30 6. TIMER & KEY CIRCUIT DIAGRAM System not operate Remocon not operate Power not control Digi

12、tron abnormal Digitron abnormal 3-313-32 7. A/V CIRCUIT DIAGRAM L R Q401 is defective 2CH. Audio out bad. IC401 is defective. 2CH Audio out bad. IC401 is defective. 2CH Audio out bad. IC403, Q404 are defective. Digital data out bad. 3-333-34 8. A/V JACK CIRCUIT DIAGRAM Component, S-Video out can,t b

13、e changed. 3-353-36 LEVEL(V) MODE PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 3.18 1.3 1.4 2.2 1.5 0 1.5 1.4 1.6 3.1 0.7 0.15 0.15 0 0 1.7 1.4 0 1.5 1.6 0 1.6 0 3.1 1.7 1.4 3.1 1.5 0.15

14、0 0.7 1.5 2.2 2 3.1 2.9 2.2 2.9 0 0 0 1.6 3.1 1.6 1.5 0 1.4 0 1.5 1.7 1.2 3.1 LEVEL(V) MODE PIN NO. 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 1.6 1.4 1.5 0 1.6 1.4 1.5

15、1.4 3.1 1 1.5 0.005 0.5 0.003 1.58 0 3.1 1.2 1.2 1.2 1.2 3.1 1.65 2.2 1.5 1.5 3.1 3.1 0.001 3.1 3.7 0 3.1 3.1 2.1 0.004 3.1 0 0 0 2.1 3.1 0 0 0 0 2.1 2.1 LEVEL(V) MODE PIN NO. 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139

16、140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 0 0.8 0.9 1.3 3.1 0.78 0 1.26 2.38 0.08 1.2 2 0 3.1 3.1 3.1 3.1 0 2.2 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 0 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 3.1 2.2 1.5 3.1 0 LEVEL(V) MODE PIN NO. 164 165 166

17、167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 3.1 3.1 3.1 3.1 3.1 3.1 3.1 0 3.1 3.1 3.1 1.5 3.1 0 3.1 3.1 3.1 3.1 3.18 0.086 3 2.4 2.3 0 0

18、 3.1 0 0.017 2.2 3.1 3.1 0 3.18 1.3 3.1 3.1 3.1 0 2.3 3.1 0.001 3.1 3.1 3.1 1.6 3.1 3.18 0.018 2.2 3.19 2.69 1.5 2.9 2.59 0 LEVEL(V) MODE PIN NO. 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 2.29 2.08 2.29 2.29 2.49 3.1 2.39 2.45 1.5 0 1.52 0 1.61 1.6 3.1 1

19、.6 1.6 1.5 0 1.6 1.4 1.5 LEVEL(V) MODE PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 4.3 3.1 0 3.2 2 3.1 0.01 3.1 3.2 3.2 3.2 3.2 0 3.1 3.1 3.1 0 0 0 3 0.625 3.2 0.705 3.2 3.1 0 3.1 3.1 2.

20、39 3.2 1.49 1.5 3.09 1.69 0 3.1 3.1 2.5 3.1 3.1 3.2 3.1 3.1 LEVEL(V) MODE PIN NO. 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 3.1 3.1 3.1 3.1 3.1 3.1 3.1 0.5 0 3.1 3.1 3.1 3.1 3.1 1.6 0 0 3.1 0 3.1 0 3.

21、2 0 3.1 0.3 0 0 2.5 0 3.19 3.19 4.4 3.19 4.4 0 4.4 0 0 0 0 0 3.17 3.17 3.1 0 P A N T E R AM E M O R Y I C 3 0 1I C 5 0 1 EEPLAY MODE PIN NO. D S P IC201 SP3301 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

22、 51 52 53 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 0.00 0.00 0.00 0.00 0.00 3.10 0.00 0.00 0.00 0.00 0.00 2.10 0.00 2.10 3.10 3.10 3.10 3.10 2.10 1.10 0.00 0.00 0.00 3.10 0.00 3.10 0.00 0.00 3.10 0.00 0.00 0.00 0.00 0.00 0.00 3.10 0.00 1.30 1.30 1.30 1.30 1.30

23、1.30 1.30 1.30 1.30 1.30 1.30 1.30 1.30 1.30 1.30 1.30 0.00 1.50 1.50 1.50 1.50 3.00 1.50 1.50 1.50 1.50 1.50 1.50 0.00 2.00 3.00 1.50 2.50 2.50 1.30 1.80 0.00 0.00 0.00 3.00 0.00 3.00 0.00 0.00 3.00 0.00 0.00 0.00 3.00 0.00 0.00 1.80 0.00 EEPLAY MODE PIN NO. 54 55 56 57 58 59 60 61 62 63 64 65 66 6

24、7 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 3.10 3.10 0.00 0.00 5.00 0.00 0.00 5.00 0.00 2.10 0.00 3.10 0.00 3.10 0.00 0.00 0.00 3.10 0.00 0.00 3.10 0.00 0.00 0.00 0.00 3.10 5.00 0.00 5.00 2.10 2.10 3.10 1.40 0

25、.00 2.10 2.10 0.00 1.50 3.10 1.60 1.10 2.00 1.55 0.00 1.55 1.56 3.10 1.55 1.55 1.62 1.55 1.50 0.00 0.00 0.00 3.00 3.00 0.00 3.13 4.98 0.00 0.00 4.98 0.00 2.10 0.00 3.00 0.00 3.12 0.00 0.20 0.00 3.10 0.20 0.00 3.10 0.00 0.00 0.00 2.30 3.10 5.00 0.00 5.00 2.00 2.10 3.10 1.40 0.00 2.00 2.00 0.00 1.55 3

26、.12 1.55 1.11 2.00 1.55 0.00 1.55 2.15 3.10 1.58 1.55 1.64 1.55 1.50 0.00 0.00 0.00 EEPLAY MODE PIN NO. 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157

27、158 159 160 161 162 163 0.00 0.00 0.00 0.00 3.40 5.00 1.50 1.50 3.10 0.00 0.00 3.50 3.25 3.45 3.50 3.50 3.50 0.00 3.60 0.00 3.60 0.00 0.00 0.00 3.10 0.00 0.00 3.10 0.00 0.00 3.10 3.00 0.00 3.00 3.10 3.10 3.10 3.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.55 3.10 1.50 0.00 0.00 2.60 3.10 2.00 2.00 0

28、.00 0.00 0.00 0.00 4.70 5.00 1.50 1.53 3.10 0.00 0.00 4.20 4.20 4.30 4.30 4.30 4.50 0.00 2.60 0.00 2.60 0.20 0.00 3.10 3.10 0.00 0.00 2.20 0.00 0.00 3.10 3.10 0.00 3.00 3.10 3.10 0.90 4.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.55 3.10 1.50 0.00 0.00 2.60 3.10 2.00 2.00 CIRCUIT VOLTAGE CHART 3-37

29、3-38 EEPLAY MODE PIN NO. 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 1 2 3 4 5 6 7 8 1.40 3.20 1.60 0.00 0.00 0.00 5.00 0.00 3.10 3.10 3.10 3.10 2.53 4.24 5.00 2.70

30、 3.26 3.10 2.40 3.66 2.40 0.00 2.26 3.10 2.20 1.75 2.20 1.80 2.20 1.25 1.00 5.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.10 1.50 3.10 3.10 3.44 3.12 2.50 2.51 3.50 3.46 3.47 3.47 1.40 0.00 1.75 0.00 3.10 3.10 2.50 2.50 0.00 3.10 3.10 3.10 1.30 4.97 5.00 0.20 2.30 2.50 2.50 2.80 2.50 0.00 2.00

31、 3.10 2.40 1.90 1.80 1.80 2.20 1.30 1.10 5.00 2.25 1.60 1.50 1.50 1.50 1.50 1.50 1.50 1.50 2.60 1.50 3.10 3.10 3.38 3.40 2.50 2.53 3.44 3.44 3.45 3.44 EEPLAY MODE PIN NO. 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 5

32、2 53 54 55 56 57 58 59 60 61 62 63 3.48 3.43 2.52 2.52 2.52 2.52 2.56 2.48 2.98 0.00 4.50 0.00 0.00 4.96 0.00 4.95 5.00 2.52 1.55 4.97 0.00 2.55 2.51 4.90 0.00 0.00 0.00 1.56 3.58 2.62 0.00 2.50 1.55 1.46 1.58 2.52 4.92 4.99 0.00 0.00 3.59 0.00 2.35 2.37 3.51 3.51 0.61 1.67 2.95 4.98 3.48 3.48 3.71

33、3.75 0.27 3.44 3.41 2.70 2.70 2.60 2.60 2.70 2.50 3.30 0.00 4.58 0.00 0.20 3.85 0.00 4.92 0.00 2.50 1.55 4.93 0.40 2.63 2.56 4.65 0.20 2.60 2.50 2.15 0.00 3.20 2.60 2.60 1.60 1.65 1.64 2.50 4.97 5.00 0.00 0.00 0.00 0.00 0.00 2.30 3.47 3.46 0.00 2.42 2.88 4.93 3.40 3.40 3.70 3.70 0.36 EEPLAY MODE PIN NO. 642.40 0.90 S E R V O IC2A1 33P3721 3-393-40 PRINTED CIRCUIT DIAGRAMS 1. MAIN P.C.BOARD LOCATION GUIDE 3-413-42 LOCATION GUIDE 2. AV JACK P.C.BOARD 4. FRONT P.C.BOARD LOCATION GUIDE 3. SMPS P.C.BOARD