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Hi-Fi AM-FM Stereo Receiver

SERVICE MANUAL

MODEL

DRA-395

AM-FM STEREO RECEIVER

SAFETY PRECAUTIONS ............................................ 2

SPECIFICATIONS ....................................................... 2

DISASSEMBLY ........................................................... 3

ADJUSTMENT .......................................................... 4,5

BLOCK DIAGRAM ....................................................... 6

LEVEL DIAGRAM ........................................................ 7

SEMICONDUCTORS ............................................ 8~12

PRINTED WIRING BOARDS .............................. 13~17

NOTE FOR PARTS LIST ........................................... 18

PARTS LIST OF P.W.B. UNIT ASS'Y ................. 19~24

EXPLODED VIEW ..................................................... 25

PARTS LIST OF EXPLODED VIEW ......................... 26

PACKING VIEW ........................................................ 27

— TABLE OF CONTENTS —

Some illustrations using in this service manual are slightly different from the actual set.

PARTS LIST OF PACKING & ACCESSORIES ........ 27

WIRING DIAGRAM .................................................... 28

SCHEMATIC DIAGRAMS ................................... 29~34

(1/6)

INPUT UNIT ........................................................... 29

(2/6)

VOLUME UNIT ....................................................... 30

(3/6)

MAIN UNIT ............................................................. 31

(4/6)

VIDEO UNIT ........................................................... 32

CONNECTOR UNIT ............................................... 32

(5/6)

FRONT UNIT .......................................................... 33

SWITCH UNIT ........................................................ 33

POWER SW/HP UNIT ............................................ 33

(6/6)

TUNER UNIT .......................................................... 34

For U.S.A. & Canada model

14-14, AKASAKA 4-CHOME, MINATO-KU, TOKYO 107-8011 JAPAN

Telephone: 03 (3584) 8111

X0118 842 NC 0108

Содержание DRA-395

Страница 1: ...LIST OF EXPLODED VIEW 26 PACKING VIEW 27 TABLE OF CONTENTS Some illustrations using in this service manual are slightly different from the actual set PARTS LIST OF PACKING ACCESSORIES 27 WIRING DIAGR...

Страница 2: ...1 4 V 14 2dBf 18 V 50dB quieting sensitivity MONO 2 8 V 20 2dBf STEREO 23 V 38 5dBf S N ratio MONO 80dB IHF A weighted STEREO 75dB IHF A weighted Total harmonic distortion MONO 0 15 1kHz STEREO 0 3 1k...

Страница 3: ...rews 2 detach the Top Cover in the arrow direction Top Cover Front Panel 1 Remove 4 screws 3 and 2 screws 4 2 Detach the Front Panel in the arrow direction 2 1 1 3 Rear Panel 1 Remove cord bushing 5 f...

Страница 4: ...on Meter Output Terminal L T403 Minimum Distortion 3 Repeat Steps 1 and 2 4 Signal Level 98 1MHz 98 0MHz FM SSG 98 1MHz 20dB OFF Antenna Terminal Light TUNED on FL Display VR402 ADJUSTMENT Tuner Secti...

Страница 5: ...emove top cover and set VR101 VR102 on Amp Unit at full counterclockwise position 2 Connect DC Voltmeter to test points Lch TP101 Rch TP102 3 Connect power cord to AC Line and turn power switch ON 4 P...

Страница 6: ...8 7 6 5 4 3 2 1 A B C D E DRA 395 6 BLOCK DIAGRAM...

Страница 7: ...POWER AMP MAIN VOL INPUT BUFFER AMP ATT 1 1 1 1 MAIN MULTI ROOM CD IN 18dB VOL 00 15 5dB 35 5dB 16 2dB 27dB SPK OUT 2 83V 1W 8ohms H P OUT 47mV 1W 8ohms MULTI ROOM OUT 1 2V 200mV 200mV SPK OUT H P OUT...

Страница 8: ...input 3 34 STEP OPTION I Area select 35 SET OPTION I Model select 36 SPEAKER A LED 1 O SPEAKER A LED indicator control 37 A VSS I A D converter GND 38 RESET I Low level active system reset 39 EXTAL I...

Страница 9: ...o Rc Rc Rb 2 3 4 DECODER MUTING CONTROL FM AM CHANGE OVER Vcc ON MUTING MUTING OUTPUT STEREO SWITCH TRIGGER LAMP DRIVER Rb 10 11 LC72131M IC401 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 XI N...

Страница 10: ...Vcc FRONT VIEW A OUTPUT A INPUT A INPUT V B OUTPUT V B INPUT B INPUT 1 2 3 4 5 7 8 6 NJM2068DD IC300 302 605 610 8 7 5 6 4 3 2 1 ABLC Head Amp Limiter Amp I N C1 C2 GNDfo NC OUT Vcc CXA1511M IC502 8...

Страница 11: ...MTZJ7 5A MTZJ7 5B MTZJ18B MTZJ20B 1N4007 1SS133 B C E R1 R2 B C E R1 R2 2SB1560 2SD2390 FRONT VIEW E C B DTA114ES DTA144ES DTC114ES DTC114YS DTC144ES FRONT VIEW B C E DTA series DTC series DTA114EK DT...

Страница 12: ...DBS TV 1 VDP TAPE DVD MD AUX DVD MD V AUX TUNER 2 3 CD 1 PHONO VCR REC MULTI STEREO AUTO TUNED RDS CH S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S1 S2 S3 S4 S5 S6 S7 S9 S10 S11 S12 S1 S2 S3 S4 S5 S6 S7 S8...

Страница 13: ...1 3 1 3 1 3 1 10 1 11 8 7 6 5 4 3 2 1 A B C D E DRA 395 13 MAIN P W B UNIT Ass y COMPONENT SIDE PRINTED WIRING BOARDS...

Страница 14: ...1 1 1 6 11 13 1 10 1 1 11 2 22 23 1 11 1 23 2 22 1 1 11 3 8 7 6 5 4 3 2 1 A B C D E DRA 395 14 COMPONENT SIDE FRONT P W B UNIT Ass y...

Страница 15: ...1 8 10 9 22 42 21 1 11 20 10 1 13 24 12 1 8 7 6 5 4 3 2 1 A B C D E DRA 395 15 FOIL SIDE...

Страница 16: ...1 1 10 13 1 11 8 7 6 5 4 3 2 1 A B C D E DRA 395 16 TUNER P W B UNIT Ass y COMPONENT SIDE...

Страница 17: ...8 7 6 5 4 3 2 1 A B C D E DRA 395 17 FOIL SIDE...

Страница 18: ...always in stock and possibly to take a long period of time for supplying or in some case supplying of part may be refused l When ordering of part clearly indicate 1 and I i to avoid mis supplying l O...

Страница 19: ...m 0 22ohm 1W NB C060R22065070 R153 156 244 2043 937 Metal oxide 10ohm 1W NB C041010065060 R162 164 244 2055 996 Metal film 1 2kohm 1W NB C060012265050 R165 244 2043 937 Metal oxide 10ohm 1W NB C041010...

Страница 20: ...5 2P connector base L108202000220 1 CP102 960 0123 304 2P connector base L104353280200 1 CP103 963 0081 403 4P connector base L104353280400 1 CP104 960 0128 804 6P connector base L102526700600 1 CP107...

Страница 21: ...ip 56kohm 1 16W C20005636M160 R982 963 9004 397 Carbon chip 56kohm 1 16W C20005636M160 R985 987 963 9004 397 Carbon chip 56kohm 1 16W C20005636M160 R990 991 963 9004 397 Carbon chip 56kohm 1 16W C2000...

Страница 22: ...RS GROUP IC401 963 0043 700 IC LC72131 J120721310030 IC402 963 0043 904 IC LA1266 J124126600010 IC403 963 0044 000 IC LA3401 J124340100010 IC501 960 0175 200 IC BA7625 J171762500000 IC502 960 0174 104...

Страница 23: ...No Part Name Remarks R428 963 9004 847 Carbon chip 3 3kohm 1 16W C20003326M160 R429 963 9004 850 Carbon chip 82ohm 1 16W C20008206M160 R430 963 9003 807 Metal film 100ohm 1 4W NB C060010163050 R431 9...

Страница 24: ...3 0086 709 11P connector base L101100031110 2 CN608 963 0085 409 10P connector base L101100031010 1 CN609 963 0086 709 11P connector base L101100031110 1 CN902 963 0049 908 3P connector base L10122003...

Страница 25: ...8 7 6 5 4 3 2 1 A B C D E DRA 395 25 EXPLODED VIEW...

Страница 26: ...301 Heat sink bracket F 4010210396000 1 25 963 0044 107 Transistor 2SB1560Y Q113 114 2 J5011560Y0000 26 963 0044 204 Transistor 2SD2390Y Q111 112 2 J5032390Y0000 27 963 0058 106 Transistor 2SD947F Q1...

Страница 27: ...E605010010000 1 5 963 0052 704 FM antenna adapter L109000180010 1 6 963 0081 908 Remote control unit RC 894 8300894000010 1 8 963 0045 106 Poly bag 6330000240000 1 9 963 0193 101 Cushion L R 62302101...

Страница 28: ...8 7 6 5 4 3 2 1 A B C D E DRA 395 28 WIRING DIAGRAM...

Страница 29: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 30: ...OUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make su...

Страница 31: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 32: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 33: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 34: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 35: ...OR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you...

Страница 36: ...HOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make s...

Страница 37: ...OR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you...

Страница 38: ...OR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you...

Страница 39: ...OR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you...

Страница 40: ...OR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you...

Страница 41: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 42: ...OUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make su...

Страница 43: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 44: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 45: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 46: ...R NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure you m...

Страница 47: ...E WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer m...

Страница 48: ...TO CHANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the cu...

Страница 49: ...E WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer m...

Страница 50: ...E WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer m...

Страница 51: ...E WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer m...

Страница 52: ...E WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer m...

Страница 53: ...HANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the custom...

Страница 54: ...ECT TO CHANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to th...

Страница 55: ...HANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the custom...

Страница 56: ...HANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the custom...

Страница 57: ...HANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the custom...

Страница 58: ...HANGE WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the custom...

Страница 59: ...PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure y...

Страница 60: ...WITHOUT PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer mak...

Страница 61: ...PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure y...

Страница 62: ...PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure y...

Страница 63: ...PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure y...

Страница 64: ...PRIOR NOTICE WARNING Parts marked with this symbol have critical characteristics Use ONLY replacement parts recommended by the manufacture CAUTION Before returning the unit to the customer make sure y...

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