NAD C 445 Service Manual Download Page 1 | Manualshive

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NAD

C

445

FM / AM

D

AB TUNER

C

44

5

C

FM / AM

D

AB TUNER

SE

RV

IC

E

M

A

N

UA

L

1
2
3
...
»

Summary of Contents for C 445

Page 1: ...NAD C 445 FM AM DAB TUNER C 445 CFM AM DAB TUNER SERVICE MANUAL...

Page 2: ...R BETWEEN A KNOWN GOOD EARTH GROUND WATER PIPE CONDUIT ETC AND THE EXPOSED METALLIC PARTS ONE AT A TIME MEASURE THE AC VOLTAGE ACROSS THE COMBINATION OF 1500 OHM RESISTOR AND 15 MFD CAPACITOR REVERSE...

Page 3: ...Page 3 of 28...

Page 4: ...1452MHz 1492MHz Max signal 3dBm Sensitivity 96dBm Adjacent Channel Rejection 35dB Presets Display 2 line by 16 character DOT Matrix Audio Output Stereo 2 5V P P 48kHz sample rate 16 bit sample resolut...

Page 5: ...antenna is connected Ensure that DAB coverage exists in your area Display has gone blank or says service off air This may occur if a broadcaster changes the label of a service or removes a label whils...

Page 6: ...heral circuit CUP11866Y YES NO Is PLL Check S3F84BB Clock normal and peripheral circuit YES YES Chcek TUNER module connection Antenna Power Board CUP11866Y NO NO Check DAB Module Is DAB Is Power Suppl...

Page 7: ...WIRING DIAGRAM Page 7 of 28...

Page 8: ...Page 8 of 28...

Page 9: ...Page 9 of 28...

Page 10: ...Page 10 of 28...

Page 11: ...Page 11 of 28...

Page 12: ...Page 12 of 28...

Page 13: ...ching type not energized condition latching 2 coils reset condition Latching type reset condition FP2 Relay RT21 1 2 3 4 8 7 6 5 V Out B In B In B Out A In A In A V OPA2134 8 Pin DIP SO 8 A B BLOCK DI...

Page 14: ...UT EQUIVALENT CIRCUIT PIN DESCRIPTION TRUTH TABLE PIN No SYMBOL NAME AND FUNCTION 1 3 5 9 11 13 1A to 6A Data Inputs 2 4 6 8 10 12 1Y to 6Y Data Outputs 7 GND Ground 0V 14 VCC Positive Supply Voltage...

Page 15: ...ut 1 MDI 11 I Mode control data input 1 MDO 13 I O Mode control readback data output 3 MS 10 I O Mode control chip select input 2 MSEL 3 I I2C SPI select 1 RST 14 I Reset 1 SCK 7 I System clock input...

Page 16: ...ias and Vref VCOML VCOMR AGND2 V DD V CC 1 V CC 2L V CC 2R AGND1 I V and Filter 8 Oversampling Digital Filter and Function Control Audio Data Input I F LRCK BCK DATA MDO MDI MC MS AGND3L AGND3R DGND C...

Page 17: ...7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 ZEROL ZEROR MSEL LRCK DATA BCK SCK DGND VDD MS MDI MC MDO RST VCC2L AGND3L IOUTL IOUTL AGND2 VCC1 VCOML VCOMR IREF AGND1 IOUTR IOUTR AGN...

Page 18: ...RESET IC RE5VL28CATZ IC72 Page 18 of 28...

Page 19: ...ata input port 31 RDS_CLK O RDS Clock control port 32 RDS_DATA I RDS Data input port 33 BACK_UP I BACK UP mode control port L 34 REMOTE_IN I Remote unit data input port 35 38 N C Non connection 39 40...

Page 20: ...OUT P2 6 TACAP P2 5 TACK P3 6 TCOUT1 P2 4 TBOUT P3 4 T1OUT0 P1 0 P1 7 P0 0 P0 7 AVREF AVSS Port 3 P3 0 P3 7 Port 4 P4 0 P4 7 INT0 INT7 Port 5 P5 0 P5 7 Port 6 P6 0 P6 7 SIO UART0 1 PG P3 7 TCOUT0 P0 0...

Page 21: ...55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 25 26 27 28 29 30 31 32 33 34 35 36 37 38 3...

Page 22: ...A to 6A Data inputs 2 4 6 8 10 12 1Y to 6Y Data outputs 7 GND Ground 0 V 14 VCC Positive supply voltage LOGIC SYMBOL 1A 1Y 2A 2Y 3A 3Y 4A 4Y 5A 5Y 6A 6Y 1 3 5 9 11 13 2 4 6 8 10 12 SV00397 LOGIC SYMBO...

Page 23: ...NPUT 2 GND 3 OUTPUT NJM7805FA L7812CP TO 220FP 123 1 GND 2 INPUT 3 OUTPUT L7912CP TO 220FP 123 KTC2316 1 Emitter 2 Collector 3 Base TO 92L 123 TRANSISTOR REGULATOR IC BLOCK DIAGRAM KRA107M KRC107M 1 E...

Page 24: ...J 5 HCQI Polyester 1E 25V K 10 HCQP Polypropylene 1V 35V Z 80 20 HCQS Polystyrol 1H 50V HCUS Ceramic 1J 63V HCEA ELECT LOAD NO PART NO DESCRIPTION SPECIFICATION CUP11866Y PCB MAIN DUAL DAB CUP11866Y 1...

Page 25: ...CAP ELECT 100UF 10V C727 CCFT1H223ZF CAP CERAMIC 0 022UF 50V C728 CCEA1AH471T CAP ELECT 470UF 10V C729 C902 CCFT1H223ZF CAP CERAMIC 0 022UF 50V C903 CCEA1EH471T CAP ELECT 470UF 25V C904 CCEA1CH101T CA...

Page 26: ...248 R249 CRD20TJ151T RES CARBON 150 OHM 1 5W J R250 R251 CRD20TJ102T RES CARBON 1K OHM 1 5W J R252 CRD25TJ4R7T RES CARBON 4 7 OHM 1 4W J R709 CRD20TJ102T RES CARBON 1K OHM 1 5W J R710 CRD20TJ105T RES...

Page 27: ...RES CARBON 2 7K OHM 1 5W J R706 CRD20TJ332T RES CARBON 3 3K OHM 1 5W J R707 CRD20TJ562T RES CARBON 5 6K OHM 1 5W J R708 CRD20TJ752T RES CARBON 7 5K OHM 1 5W J R728 CRD20TJ471T RES CARBON 470 OHM 1 5W...

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