Nad-T-531-B-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL SERVICE MANUAL T531B T531C T531AH DVD VIDEO PLAYER MODELS : T531B/T531C/T531AHSERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO T531B/T531C T531AH DVD VIDEO PLAYER T531B/T531C T531AH DVD VIDEO PLAYER RadioFans.CN 收音机爱 好者资料库 NOTES) Warning NOTES) Parts that are shaded are c

2、ritical NOTES) With respect to risk of fire or NOTES) electricial shock. NOTES : Symbol denotes AC ground. Symbol denotes DC chassis ground. 3-183-19 CIRCUIT DIAGRAM 1. POWER(SMPS) CIRCUIT DIAGRAM IMPORTANT SAFETY NOTICE WHEN SERVICING THIS CHASSIS, UNDER NO CIR- CUMSTANCES SHOULD THE ORIGINAL DESIG

3、N BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE NAD ELECTRONICS CORPORATION. ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR- CUIT. SPECIAL COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION. THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF- FER FRO

4、M THE ACTUAL CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTILTHE NEW SERVICE LITERATURE IS PRINTED. NOTE : 1. Shaded( ) parts are critical for safety. Replace only with specified part number. 2. Voltages are DC-measured

5、 with a digital voltmeter during Play mode. Power oscillator dead. Q101 is defective Q101 failure caused D101 failure. D101 is defective. VF+ power dead. D107 is defective. -24VA power dead. D108 is defective. 3.3V power dead. IC106 and IC107 are defective. Power control is abnormal. Q107 and Q108 a

6、re defective. 8V Power dead. IC105 is defective. Power dead. IC104 is defective. Power dead. IC108 is defective. If fuse fails atstarup. Q101 and Q102 are defective. RadioFans.CN 收音机爱 好者资料库 3-203-21 5 56 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM IC204 is defective. Scratched CD Audio

7、abnormal. IC203 is defective. AD Converter Error - No tracking/Focus control 2. DVD DSP CIRCUIT DIAGRAM RadioFans.CN 收音机爱 好者资料库 3-223-23 3. DRIVE & RF CIRCUIT DIAGRAM 4 1 1 6 2 3 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM IC2A2 is defective. No fucus & tracking control. Q2A1, Q2A2 are

8、defective. CD/DVD LD will not be on. 3-243-25 4. MPEG CIRCUIT DIAGRAM NO DVD SCREEN DISPLAY NO VCD SCREEN DISPLAY. NO CD SOUND OUT. NO 2CH AUDIO OUT NO 2CH AUDIO OUT 1 7 2 4 3 5 6 WAVEFORM IC302, IC303 are defective. A/V out bad. 3-263-27 WAVEFORMS IC2A1 Pin 42, Focus Error IC2A1 Pin 36, Pi IC2A1 Pi

9、n 41 Tracking Error IC301 Pin 139 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) IC301 Pin 133, CompositeIC301 Pin 151, Chrominance (Super video out Mode) Tek St

10、op : 2.50MS/s4 Acqs M20.0s 2 Apr 1999 14:47:27 GlitchCh1 Ch3500mV T T 3 IC301 Pin 145, 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 IC301 Pin 159, MPEG Clock(27MHz) IC301 Pin 14

11、5 Component Pb IC301 Pin 151 Component Pr 3-283-29 5. AUDIO DM & 5.1CH CIRCUIT DIAGRAM 5.1CH CENTER SIGNAL 5.1CH FR SIGNAL 5.1CH RL SIGNAL 5.1CH RR SIGNAL 2CH L SIGNAL 2CH R SIGNAL 5.1CH FL SIGNAL 5.1CH WOOFER SIGNAL Q401 is defective. 2CH Audio out bad. IC402 is defective. 2CH Audio out bad. IC452

12、is defective. 5.1CH FL/FR Audio out bad. IC453 is defective. 5.1CH RL/RR Audio out bad. IC454 is defective. 5.1CH Center/Woofer Audio out bad. IC401 is defective 2CH Audio out bad IC451 is defective. 5.1CH Audio out bad. IC403 is defective. Audio bad. 3-303-31 6. -COM/EXPANDER CIRCUIT DIAGRAM FLASH

13、ROMDRAM MAIN CPU E X P A N D E R EEPROM CPLD Servo will not operate X501 No Power on Video output level is unstable Open, Close Error Servo will not operate FLD Error 3-323-33 7. DIGITRON(TIMER) & KEY CIRCUIT DIAGRAM SW509 is defective. Direction Key is defect. JS901 is defective. SCAN +/- will not

14、operate. IC902 is defective. Reset Error. RC901 is defective. R/C Error. DIG901 is defective. FLD is distorted. 3-343-35 8. JACK CIRCUIT DIAGRAM S VIDEO (C) AUDIO (L) AUDIO (R) OPTICAL COMP.VIDEO S VIDEO (Y) 3-363-37 CIRCUIT VOLTAGE CHART EEPLAY MODE PIN NO. D S P IC201 SP3301 1 2 3 4 5 6 7 8 9 10 1

15、1 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 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.

16、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 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.

17、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 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 3.10 3.10 0.00 0.00 5.00 0.00 0.00 5.00 0.00 2.1

18、0 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 0.00 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 0.0

19、0 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 3.12 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 12

20、8 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 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 3.0

21、0 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 0.00 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 0.9

22、0 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 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

23、5 6 7 8 9 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 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 3.16 2.01 2.01 2.02 2.02 3.16 2.02 2.02 2.02 1.40 0.00 1.75 0.00

24、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 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 3.18 2.07 2.07 2.07 2.07 3.18 2.08 2.07 2.07 EEPLAY MODE PIN NO. 10 11 12 13 14 15 16 17 18 19

25、20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 2.02 0.10 0.26 2.08 3.16 0.00 0.00 0.00 0.00 0.00 3.15 0.00 0.00 0.00 0.00 0.00 0.00 1.06 3.14 3.14 0.00 2.01 2.02 2.02 2.02 0.00 2.02 2.02 2.02 2.02 0.00 1.50 0.00 0.00 0.00 3.10 1.50 2.72 5.00

26、2.60 2.80 2.80 0.00 2.10 2.20 2.20 5.00 2.00 2.00 2.00 0.00 1.10 2.07 0.00 0.00 2.09 3.17 0.00 0.00 0.00 0.00 0.00 3.18 0.00 0.00 0.00 0.00 0.00 0.00 1.07 3.17 3.16 0.00 2.08 2.08 2.08 2.08 0.00 2.08 2.08 2.08 2.08 0.00 1.50 0.00 0.00 0.00 3.10 1.50 2.60 5.00 2.60 2.70 2.70 0.00 2.10 2.20 2.20 5.00

27、2.00 2.00 2.00 0.00 1.10 EEPLAY MODE PIN NO. 6 7 8 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 1 1.10 1.10 5.00 5.02 5.01 2.08 2.12 5.01 0.20 0.00 7.92 7.92 0.00 3.87 0.00 0.00 0.00 0.00 0.00 1.84 1.84 2.12 7.

28、92 7.92 2.07 2.07 2.07 2.06 4.04 4.04 4.04 4.04 0.00 0.00 4.03 4.01 7.93 4.02 4.02 0.00 0.00 0.00 7.92 2.07 0.00 5.01 5.01 5.01 5.01 5.01 5.01 3.44 1.10 1.10 5.00 0.80 2.48 2.07 1.95 4.98 0.60 0.00 7.89 7.87 3.07 0.00 0.00 0.00 5.34 5.33 5.34 1.84 1.84 1.95 7.88 7.88 2.05 2.05 2.05 2.05 4.01 4.01 4.

29、04 3.98 0.00 0.00 4.10 3.90 7.88 4.01 4.01 0.00 0.00 0.00 7.90 2.06 0.00 2.90 2.90 2.90 2.90 2.90 2.90 3.38 IC205 GM71C4260CJ IC204 4W53FU IC206 7W04FU IC203 NJM3414AM S E R V O IC2M1 FAN8727 IC2A1 33P3721 EEPLAY MODE PIN NO. 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 2

30、9 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 3.12 2.50 2.51 3.50 3.46 3.47 3.47 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.

31、92 4.99 0.00 0.00 3.59 0.00 2.35 2.37 3.51 3.51 0.61 1.67 3.40 2.50 2.53 3.44 3.44 3.45 3.44 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.

32、00 0.00 2.30 3.47 3.46 0.00 2.42 EEPLAY MODE PIN NO. 2.95 4.98 3.48 3.48 3.71 3.75 0.27 2.40 1.57 1.57 1.57 0.00 1.63 1.64 2.62 4.97 0.00 2.40 2.40 0.00 0.00 2.00 5.20 0.00 3.13 0.15 3.13 1.07 5.00 0.00 3.14 3.00 2.60 2.60 2.60 2.60 2.50 0.00 2.60 2.60 2.60 2.60 0.00 3.13 3.10 3.10 3.10 3.10 3.10 3.

33、10 3.10 2.88 4.93 3.40 3.40 3.70 3.70 0.36 0.90 1.54 1.54 1.54 0.00 1.64 1.64 2.42 4.93 0.00 2.50 2.40 0.00 0.00 2.00 5.20 0.00 3.10 0.20 3.10 4.00 5.00 0.00 3.10 3.00 2.60 2.60 2.60 2.60 2.50 0.00 2.60 2.60 2.60 2.60 0.00 3.10 2.90 2.90 2.90 2.80 2.80 2.80 2.70 EEPLAY MODE PIN NO. 28 29 30 31 32 33

34、 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 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 3.10 3.10 2.65 0.00 3.13 0.00 0.00 0.00 2.50 0.00 0.00 0.00 3.13 0.00 0.00 3.13 0.00 3.13 3.10 3.10 3.10 3.10 3.10 3.10 3.10 0.00 0.00 3.12 0.00 1.00 1.

35、00 0.70 1.00 0.90 1.20 0.80 3.12 0.00 0.10 2.50 0.00 0.90 0.90 0.62 0.36 0.95 3.12 0.00 0.55 0.00 1.55 3.12 0.00 0.60 3.12 2.70 3.10 2.60 0.00 3.10 0.00 0.00 0.00 2.50 0.00 0.00 0.00 3.10 0.00 0.00 3.10 0.00 3.10 3.10 3.10 3.10 3.10 3.10 3.10 3.10 1.20 1.20 3.10 0.00 1.20 1.20 1.30 1.20 1.20 1.50 1.

36、34 3.20 0.00 1.20 2.50 0.00 1.10 1.30 1.10 1.10 1.20 3.10 0.00 1.20 0.00 1.50 3.10 0.00 0.90 3.10 EEPLAY MODE PIN NO. 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132

37、 133 134 135 136 137 0.00 1.20 1.10 0.30 2.47 0.00 0.13 0.22 0.00 3.12 0.00 2.35 2.20 0.00 0.00 0.37 0.65 3.12 0.00 1.20 0.20 1.30 0.00 1.45 1.00 1.50 1.50 1.50 3.10 3.10 3.00 2.95 3.12 0.00 2.91 0.00 0.00 0.00 0.00 1.56 3.12 0.00 1.56 1.56 1.56 2.47 0.00 0.00 0.00 0.00 0.78 3.10 3.10 0.00 0.00 0.00

38、 1.50 1.40 1.40 2.40 0.00 1.40 3.00 1.60 3.10 0.00 2.70 2.20 3.00 1.10 0.30 0.60 3.10 0.00 1.30 1.40 0.00 0.00 1.50 1.30 1.50 1.50 1.50 3.10 3.10 0.20 0.20 1.10 0.00 0.20 0.00 0.00 1.60 1.60 1.60 3.10 0.00 1.60 1.60 1.60 2.30 0.00 0.00 0.00 0.00 1.20 3.10 3.10 0.00 0.00 IC2A2 NJM3414 IC2A3 AD829 IC3

39、01 ZIVA4.1 M P E G 57 58 59 60 61 62 63 64 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 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 3-383-39 EEPLAY MODE PIN NO. 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168

40、169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 0.00 0.54 3.10 3.10 0.00 0.00 0.00 0.67 3.10 3.10 0.00 0.00 0.00 1.00 3.10 3.10 0.00 1.30 3.10 0.00 3.16 2.23 3.13 0.00 0.00 0.00 0.00 0.00 0.00 3.12 0.00 0.00 0.00 0.00 0.00 1.54 0.00 3.12 0.00 3.12 0.00

41、 3.12 3.12 3.12 0.15 2.32 2.54 3.12 3.12 3.12 0.00 2.50 3.12 0.00 3.12 0.00 1.00 3.10 3.10 0.00 0.00 0.00 1.40 3.10 3.10 0.00 0.00 0.00 1.00 3.10 3.10 0.00 1.30 3.10 0.00 3.11 2.21 3.12 1.50 1.50 1.50 1.50 1.50 0.00 3.12 1.50 1.50 1.50 2.62 1.50 1.50 0.00 3.11 0.00 3.12 0.00 3.10 3.10 0.00 0.16 2.30

42、 2.50 3.12 3.12 3.12 0.00 2.44 3.11 0.00 3.11 EEPLAY MODE PIN NO. 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 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 3.12 3.12 3.12 1.05 0.00 0.00 1.25 2.17 1.80 0.00 1.80 3.12 0.00

43、2.20 2.26 5.00 3.15 0.65 0.70 0.00 0.92 0.77 3.13 0.71 0.90 0.00 0.86 1.10 3.16 0.00 2.97 1.54 2.35 3.13 1.23 0.64 0.64 1.23 1.42 1.32 3.13 0.00 1.47 1.40 1.16 0.60 0.60 0.00 0.00 3.13 1.54 0.00 0.30 3.13 3.12 3.12 3.12 3.12 1.05 0.00 1.34 2.10 1.75 1.90 1.90 3.10 0.00 2.38 2.10 5.00 3.10 1.20 1.20

44、0.00 1.10 1.10 3.15 0.95 1.30 0.00 0.90 1.50 3.10 0.00 2.90 1.60 2.70 3.10 1.00 0.30 0.70 1.20 1.40 1.30 3.10 0.00 1.40 1.40 1.40 1.40 0.90 0.00 0.00 3.14 1.50 0.00 0.00 3.14 EEPLAY MODE PIN NO. 39 40 41 42 43 44 45 46 47 48 49 50 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

45、27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 0.53 0.56 0.93 0.00 0.59 3.14 0.92 0.84 0.00 0.87 0.77 0.00 3.15 0.65 0.70 0.00 0.92 0.77 3.13 0.71 0.90 0.00 0.86 1.10 3.16 0.00 2.97 1.54 2.35 3.13 1.23 0.64 0.64 1.23 1.42 1.32 3.13 0.00 1.47 1.40 1.16 0.60 0.60 0.00 0.00 3.13 1.54 0.00 0.30 3.13 0.53 0.56 0.93 0.00 1.20 1.20 0.00 1.20 1.10 3.14 1.40 1.50