Onkyo FR-155 Service Manual Download Page 33 | Manualshive

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33

34

FR-155

41

18

20

17

P901

19

U3

7

13

7

Q559,Q560

Q557,Q558

14

7

10

9

7

Z10

Z8

U12

Z9

Z7

P101C

P010C

7

40

F901

T901

18

U2

U4

7

U10

11

39

U14

P250C

26

25

26

12

7

P102C

P103C

U6

U7

7

15

Z13

U1

P203C

7

22

7

37

J22

31

7

Z6

U8

P752C

U5

U9

8

23

7

3

2

4

29

35

32

27

28

7

1

24

6

36

7

16

22

5

7

22

38

Z4

Z2

Z3

P391C

Z1

P404C

42

43

(DT type)

P901

(GT type)

CHASSIS EXPLODED VIEW

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Summary of Contents for FR-155

Page 1: ...g to Other Components Remote controller Setting the day of the Week and the Time IC Block diagram and descriptions Microprocessor Connection Diagram Microprocessor Terminal Description Operation of th...

Page 2: ...Stereo 37 2 dBf 20 0 V 75 W Capture ratio 2 0 dB Image rejection ratio FM 85 dB AM 40 dB IF rejection ratio FM 90 dB AM 40 dB Signal to noise ratio FM Mono 73 dB IHF Stereo 67 dB IHF AM 40 dB Selecti...

Page 3: ...e fuse used is show operating type For continued protection against fire hazard replace with same type fuse For fuse rating refer to the marking adjest to the symbol Ce symbole indique que le fusible...

Page 4: ...ose display above them is currently displaying Indicators for radio frequency information TOC indicator MD operation indicators DUB indicator CD operation indicators Playback mode indicators DIGITAL i...

Page 5: ...LAY REC LINE 1 LINE 2 TAPE L R L R CDR L R REC PLAY INPUT OUTPUT REMOTE CONTROL Audio connection cable white red Connecting an Onkyo compact disc recorder The following diagram shows how to connect an...

Page 6: ...n the display TIMER SLEEP SOURCE CD TIMER MD MD CH CD CD ONCE W DAY W END REC L R S BASS 40 20 10 0 OVER 6 2 MUTING DIGITAL CHAIN REPEAT DISC TRACK ELAPSED REMAIN TITLE RDS MONO AUTO STEREO TUNED 1 TR...

Page 7: ...TS LATCH CIRCUIT 10BITS LATCH CIRCUIT 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 14 1 VSS GND VDD S1 S2 S3 COM1 S4 S5 S6 COM2 S7 S8 COM3 ST S1 S3 S2 COM1 S4 S5 S6 COM2 S7 S8...

Page 8: ...ATO XLTO CLKO SENS DATA XLAT CLOK XLON SCOR SBSO EXCK SQSO SQCK MDP DOUT LOUT2 AIN2 AOUT2 LOUT1 AIN1 AOUT1 XTSL VPCO VCKI V16M VCTL XUGF GFS EMPH WFCK C2PO LRCK PCMD BCK EMPHI LRCKI PCMDI BCKI SYSM RM...

Page 9: ...mmetry comparator voltage input EFM full swing output low VSS high VDD D A interface LR clock output f Fs LR clock input D A interface Serial data output two s complement MSB first D A interface Seria...

Page 10: ...INDOW COMP RF SUMMING AMP RFTC RF M RF O PD LD VEE VCC APC LASER POWER CONTROL VEE VCC FE AMP IFB1 IFB2 IFB3 IFB4 IFB5 IFB6 VEE TRK GAIN WINDOW COMP TM1 TG1 FS4 DFCT TA O FEO FEI FDFCT FGD DFCT E F BA...

Page 11: ...nce 23 XRST I Reset input resets at Low no pull up resistance 24 C OUT O Track number count signal output 25 SENS1 O Outputs FZC DFCT1 TZC BALH TGH FOH ATSC and others according to the command from CP...

Page 12: ...VO8 BTL AMP 4 output non inverting side VG4 BTL AMP 4 input for gain control VIN4 BTL AMP 4 input VREF Reference voltage input for level shift circuit VCC Power supply shorted with pin 1 Vcc Vref VIN4...

Page 13: ...it pins of VFD RESET Reset input This pin is used to initialize the internal state on the M66004 CS Chip select input L communication with the MCU is possible H any instruction from teh MCU is neglect...

Page 14: ...3 5 4 5 5 5 1 6 2 6 5 7 4 7 3 7 2 7 1 7 5 6 4 6 3 6 CD 1 1 2 1 3 1 4 1 5 1 1 2 2 2 3 2 4 2 5 2 1 3 2 3 3 3 4 3 5 3 1 4 2 4 3 4 4 4 5 4 1 5 2 5 3 5 4 5 5 5 1 6 2 6 5 7 4 7 3 7 2 7 1 7 5 6 4 6 3 6 TIMER...

Page 15: ...TOR 17 16 15 6 5 2 RC DATA RC REQ SHUT DOWN MD REQ 2 MD CLK MD DATA 2 CN105 Q391 BUFFER Q752 M66004F FL TUBE DRIVER Q751 FL TUBE F901 RL901 RL902 T901 Q753 REMOTE SENSOR Q901 POWER RELAY DRIVE Q902 PO...

Page 16: ...pin 1 for MD recording level adjust IC Output pin 2 for MD recording level adjust IC Ground pin Output pin for control relay of power supply in receiver section Output pin of reset signal for MD mech...

Page 17: ...r the energy save is operated the microprocessor is turned to the energy save mode Even if the AC cord is removed the energy save mode is stored the stored period is about 2 or 3 weeks that are the sa...

Page 18: ...c board Flexible flat cable 5 core Gear Relay B Gear Relay A Slot Frame ass y Spring Slot arm Tension coil Slot Arm Load Frame ass y Insulator Screw Step Slide Frame Head Arm Spring SP Tension NSP NSP...

Page 19: ...N101 CN102 CN103 CN104 CN105 CN107 CN110 8752 080 95 1781 569 21 8729 903 10 8759 689 63 8752 404 64 8759 234 20 8759 498 44 8759 574 24 8759 640 39 8759 523 35 8759 919 21 8759 689 64 8729 028 91 872...

Page 20: ...from the case lower 27 Spring 26 Case lower 27 Remove the case upper 34 by unscrewing the five screws Screw Screw Screw Screw screw Case upper 34 Remove the case lower 27 by unscrewing the four screws...

Page 21: ...nnect the four flexible flat cables flexible flat cables Remove the MD overwrite head 21 by unscrewing the screw 20 screw 20 Remove the two screws 2 used to fix the motor plate ass y 1 motor plate ass...

Page 22: ...pplicable disassembling procedure 2 Do not do unsoldering short land on the pick up unit before connecting the flexible flat cables 3 When motor plate ass y is installed in the MD mechanism it is nece...

Page 23: ...o previous step or abouts the operation 5 Selection of test mode The multijog key is turned in the state of 2 8 and a necessary test mode is selected It is possible to escape from the mode to other te...

Page 24: ...tment after the temperature of this part has become the ambien temperature Procedure 1 Enter the test mode select TEMP ADJUST 2 Press the MULTI JOG knob 3 Press the MULTI JOG knob when data is memoriz...

Page 25: ...value 10 Pick up unit In this case Iop 54 4 mA Iop Digital volt meter reading mV 1 9 Press the EDIT CLEAR NO key LD PWR CHECK 4 EF balance adjustment Oscilloscope Specification A B Preparation 1 Conn...

Page 26: ...ossible You tr ied to edit a disc using a function not available due to some reason other than the MD system limitation MD Writing The unit is writing the recorded or edited contents to the MD Mecha E...

Page 27: ...FR 155 27 CD MECHANISM EXPLODED VIEW 1 6 5 13 20 19 12 14 15 2 1 3 4 29 22 16 17 16 28 27 26 21 16 12 14 15 18 25 24 23 13 14 15 14 15 16 7 9 8 10 6 11 6 6...

Page 28: ...2625 537 01 1452 493 21 2625 541 02 2646 291 01 2646 288 01 2627 236 01 2627 235 01 2646 289 01 Tray Stopper Gear cover Tray Gear Chucking plate PTPWH2 6 7 Screw Chucking yoke Magnet Damper Chucking p...

Page 29: ...p 2 Connect the oscilloscope and audio oscillator as shown below Refer to Fig 1 3 Load the test disc YEDS 18 on the tray and play the track 2 4 Adjust the trimming resistor R123 so the signal of chan...

Page 30: ...D STOP key press STANDBY ON key to set the test mode All segments on FL tube light on and scroll the character for FL tube test 4 Adjust the trimmer capacitor C711 so that the reading of frequency cou...

Page 31: ...s bottom board Connect J001 or LD short terminal 2 on CD connector PC board NAETC 6939 first NAETC 6939 LD short terminal 2 J001 Remove FFC P101 on the CD connector PC board P101 screw Solder the LD s...

Page 32: ...8A 24840133 24840135 838120080 838426088 2061A12100 1A887528 1B 1A887528 1C 1A887529 1B 1A887529 1C 1A887530 1B 1A887530 1C 1A887532 1B 1A887532 1C 1A887034 1B 1A887034 1C 1A887533 1B 1A887533 1C 1A88...

Page 33: ...2 Z9 Z7 P101C P010C 7 40 F901 T901 18 U2 U4 7 U10 11 39 U14 P250C 26 25 26 12 7 P102C P103C U6 U7 7 15 Z13 U1 P203C 7 22 7 37 J22 31 7 Z6 U8 P752C U5 U9 8 23 7 3 2 4 29 35 32 27 28 7 1 24 6 36 7 16 22...

Page 34: ...1 2 3 4 5 6 1 2 3 4 5 P370A PD LD E F A B C D FOCUSING COIL TRACKING COIL P3 S STOP SLED MOTOR SPINDLE MOTOR OPEM CLOSE SW TRAY MOTOR P4 P101B P101A P010 5 6 V IN2 IN1 OUT2 OUT1 1 2 3 5 7 9 12 9 11 2...

Page 35: ...MUT Q920 Mute Q915 Power Control Q914 Power Control AC AC AC B B 26 5 V 25 5 V to Microprocessor CD Circuit PC Board NADG 6933 BLOCK DIAGRAM POWER SUPPLY SECTION to CD Microprocessor CD Circuit PC Boa...

Page 36: ...FR 155 FR 155 39 40 1 2 3 4 5 A B C D E F G SCHEMATIC DIAGRAM AMPLIFIER SECTION H...

Page 37: ...2 3 4 5 A B C D E F G H POWER AMPLIFIER CIRCUIT PC BOARD NAAF 6930 U3 SELECTOR CIRCUIT PC BOARD NASW 6937 U10 ACOUSTIC CIRCUIT PC BOARD NAAF 6934 U7 PRIMARY CIRCUIT PC BOARD NAPS 6929 U2 PRINTED CIRCU...

Page 38: ...FR 155 FR 155 43 44 1 2 3 4 5 A B C D E F G SCHEMATIC DIAGRAM CD MICROPROSSEOR SECTION H...

Page 39: ...45 46 FR 155 1 2 3 4 5 A B C D E F G H MICROPROCESSOR CD CIRCUIT PC BOARD NADG 6933 U6 SPEAKER TERMINAL PC BOARD NAETC 6932 U4 CD CONNECTOR PC BOARD NAETC 6939 U12 PRINTED CIRCUIT BOARD VIEW 2...

Page 40: ...FR 155 FR 155 47 48 1 2 3 4 5 A B C D E F G SCHEMATIC DIAGRAM DISPLAY POWER SUPPLY SECTION H FR 155...

Page 41: ...1 2 3 4 5 A B C D E F G H DISPLAY CIRCUIT PC BOARD NADIS 6935 U8 POWER SUPPLY CIRCUIT PC BOARD NAPS 6928 U1 CONTROL SWITCH PC BOARD NASW 6936 U9 HEADPHONE JACK PC BOARD NAETC 7034 U5 PRINTED CIRCUIT...

Page 42: ...l oxide 10 5 1 2 W Metal 120 5 1 W Metal oxide NSCT 7P99 NSCT 4P96 NSAS 14P0865 NSCT 26P2223 NPLG 4P760 NPLG 19P764 NPLG 7P659 RAD 083 RAD 68 RAD 141 RAD 140 3P 10FN BC 3P 10FN BC Holder PRIMARY CIRCU...

Page 43: ...oxide 39 5 1 2W Metal oxide 82 5 1 2W Metal oxide 0 22 5 1 2W Metal 8 2 5 1W Metal NSCT 4P875 NSCT 4P109 NSCT 7P898 NSAS 8P0852 UA 0 V0 TORX178B TOTX178A S 1 3C GT 10 F 16 V Elect 0 01 F 5 50 V Plasti...

Page 44: ...V Elect 100 F 6 3 V Elect 2 2 F 50 V Elect NTC 30P14 Trimming DX 5R5L104 Super capacitor 220 F 6 3 V Elect 4 7 F 50 V Elect 100 F 16 V Elect N06HR20KBC Trimming 470 5 1 2 W Metal oxide NSCT 16P2109 NS...

Page 45: ...00 or 25045571 25045300 or 25045571 Socket 25052315 Plugs 25055445 25055441 25055042 DESCRIPTION BJ780GNK M66004FP SEC1201C SEC1801C UDZ5 6B or UDZS5 6B Zener NSAS 16P0869 NSCT 21P2255 NPS 111 S604 SP...

Page 46: ...FC VC VCE E D A B C F GND LD GND PD FC TR TR FC P911B REC LEVEL1 REC LEVEL2 VOL DOWN VOL UP PLL CE SD STEREO DATA C CLK GND TU MUT FCE VCE MD REC MUT SEL MUT B RC POWER SIGNAL DET OUT GND P913A P913B...

Page 47: ...A 29091934A 29095864 29110149 29110141 282301 29100097 1A 29362709 29053623 24140434 3010054 232140 292116 29342936 29342937 29355340 25065462 Pad Pad S Pad H Sheet 800 600 Tape Tape W50L100 Staple Po...

Page 48: ...U S A CORPORATION 18 Park Way Upper Saddle River NJ 07458 U S A Tel 201 785 2600 Fax 201 758 2650 E mail onkyo onkyousa com ONKYO EUROPE ELECTRONICS GmbH Industriestrasse 20 82110 Germering GERMANY Te...

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