Rotel-RX1050-rec-sm 电路图 维修手册.pdf

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1、T echnical Manual STEREO RECEIVER RX-1050 Table of Contents Appearance.2 Specifications.1 Wiring Diagram.11 Adjustment.9 10 PCB Assembly.12 15 Schematic Diagram.16 22 Parts List.3 8 SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Beginning Quality Uncompromised Y-358

2、A-0112/W THE ROTEL CO., LTD. Specifications Audio Continuous Amplifier Power 100 watts/ch (20-20k Hz, 0.05% THD, 8 ohms) Total Harmonic Distortion 0.05% Inter modulation Distortion (60 Hz:7 kHz) 98.1MHz search , Low Freq. - 98.1MHz search) 9 AM Section * Necessary measurement equipment : AM Signal G

3、enerator, Audio Signal Analyzer, Dummy Load, Oscilloscope, Digital Volt Meter (DVM) (A) VT adjust AM Signal Generator Setting 1. Adjust AM Frequency of RX-1050 to 522KHz. (or 520KHz) 2. Connect (-) terminal of DVM with GND ( or chassis ) and connect (+) terminal with Jumper J3 ( VT CHECK ) and mesau

4、re voltage. ( Low Freq. VT) 3. Adjust VT to 1.1V with T02 (AM-OSC Coil). * In case of USA version, AM freq. range is 520KHz 1710KHz. So, adjust as below. at 520KHz, VT = 1.1V ( Low Freq. VT) (B) Output Level adjust AM Signal Generator Setting - Modulation : 30%- Audio Frequency : 400Hz- Output Level

5、 : 100dB - Radio Frequency : 603KHz (or 600KHz ) RX-1050 Setting - AM Frequency : 603KHz/1404KHz/999KHz (or 600KHz/1400KHz/1000KHz) 1. Turn AM Signal Generator Modulation ON 2. Adjust RX-1050 AM Freq. to 603KHz (or 600KHz) and measure output level with Audio Signal analyzer. 3. Adjust output level t

6、o maximum point with T01 ( AM-ANT ). 4. Adjust AM Signal Generator & RX-1050 AM Frequency to 1404KHz (or 1400KHz) and measure output level. 5. Adjust output level to maximum point with TC01 (White Trimmer). 6. Repeat above 2. 5. steps 2 3 times until adusting to best output level. 7. Adjust AM Signa

7、l Generator & RX-1050 AM Frequency to 999KHz (or 1000KHz) and measure output level. 8. Adjust level to maximum position with T03 (AM-IFT). (C) TUNED Level adjust AM Signal Generator Setting - Modulation : 30%- Audio Frequency : 400Hz- Radio Frequency : 999KHz (or 1000KHZ) - Output Level : 84dB RX-10

8、50 Setting - AM Frequency : 999KHz (or 1000KHz) 1. Turn AM Signal Generator Modulation ON ( Make sure if Output level is 84dB ) 2. If TUNED indicator does not turn on at higher than 8086dB(Generator output), Adjust VR01 ( AM-ADJ ) up to the moment where TUNED indicator tunrs OFF & ON again 3. Confir

9、m if TUNED turns OFF when decreasing the output level of AM Signal Generator slowly from 84dB to 80dB. 4. Push RX-1050 TUNE UP or DOWN button long at AM Signal Generator Output Level 84dB and start AUTO search. Confirm if search stops at AM Frequency 999KHz (or 1000KHz). 999KHz(or 1000KHz) search ,

10、Low Freq. - 999KHz(or 1000KHz) search 10 3 4 5 6 7 1 2 1) ENC VR BD CN603-FRONT BD CP603 2) FRONT BD CN601-RE SEN BD CP601 3) FRONT BD CN606-POW BD CP606 4) FRONT BD CN605-TERMINAL BD CP605 5) FRONT BD CN107-MAIN BD CP107 6) FRONT BD CN610-TUNER BD CN10 7) FRONT BD CN602-AMP BD CP602 8) POW LED-FRON

11、T BD CP604 9) AMP BD CN202-MAIN BD CP104 10) AMP BD CN203-MAIN BD CP106 11) AMP BD CN201-MAIN BD CP103 12) POSISTOR-AMP BD CP204 13) MAIN BD CN104-AMP BD CP201 14) MAIN BD CN102-TUN BD CP20 15) MAIN BD CN108-TERMINAL BD CP108 16) MAIN BD CN103-TERMINAL BD CP103 17) MAIN BD CN101-TERMINAL BD CP101 18

12、) P/T Primary -POW BD CP503 19) P/T Secondary RED/BLK-MAIN BD CP102 20) P/T Secondary WHT/GRY-MAIN BD CP101 25) H/P BD CN105-MAIN BD CP105 26) WIRE CLAMPER-6 POINTS 21) P/T Secondary ORG/VIO-POW BD CP504 22) AC INLET-POWER BD CP501 23) POWER SW BD CN502-POW BD CP502 24) OUTLET BD CN505-POW BD CP505

13、OUTLET BD TERMINAL BD BD POWER TRANS MAIN BD POWER BD AMP BD CN603 CP603 CN610 CN107 CN605 CN602 CN606 CN601CP604 CP601 LED CN202CN203CN201 CP602 CP204 CP201 CP101 CP102 CP106 CP107 CN108 CN104 CN505CP101CP103CP605 CP108 CN102 CN103 CN101 CP104CP103 CP105 12000UF 12000UF CP502 CP501 CP505 CP503 CP50

14、4 CP606 CN502 CP20 CN10 POSISTOR AC IN CN105 REMBD POW ER SW H/P FRONT BD ENC VR BD TUNER Wiring Diagram 11 PCB Assembly (1/4) Front PCB X-1323B Top Side 12 PCB Assembly (2/4) Front PCB X-1323 Bottom Side 13 PCB Assembly (3/4) Main PCB E-1322A00 14 PCB Assembly (4/4) Amplifier PCB 016 X-1321A00 Tune

15、r PCB 4002002301 TOP SIDE BOTTOM SIDE 1 Added wire 15 Block Diagram 16 GND OUT VCC SBX3010-52B CP601 CP3PZ RMC SENSOR BD FROM FRONT BD 016 X-1323A10 RMC601 1 2 3 123 TO RMC SENSOR BD CN601 CN3P 1 2 3 V_REF EXT_RMC 2 1 V_REF KEY_IN4 KEY_IN3 KEY_IN2 KEY_IN1 FROM ENCORDER VOLUME BD CP603 CP8PZ 232_RX 2

16、32_TX 9163_CS V MUTE EXT_RMC ZONE2 _RMC1 2 3 4 5 6 7 8 TO TERMINAL BD CN 8P CN605 (CP605) (CP606) (CP602) (CP107) 7312_CLK 7312_DATA 7312_CS 9163_CS 232_TX VDD -30V 232_RX V MUTE ZONE2_MUTE MAIN_MUTE PWR_MUTE RST RST VDD +5.6V 7312_Z2_CS 7312_REC_CS STAND_BY_LED STAND_BY 0TP Version ONLY FL2 -30V 2

17、+5.6V -30V 4 5 6 7 3 STAND_BY V_REF PWR_DOWN FL2 FL1 CN606 CN7P TO POWER B D 1 FL1 FIP SVR12MM18 SVR12MM18 VOL_UP. VL_REF. VL_REF. VL_REF. BASSL_UP. TREBLE_UP. TREBLE_DOWN. BASS_DOWN. 016 X-1323A04 ENCORDER VOLUME BD VOL_ UP. VL_REF. BASSL_UP. TREBLE_UP. TREBLE_DOWN. VOL_DOWN. BASS_DOWN. VOL_DOWN. 1

18、 2 3 4 6 5 7 8 CN8P CN603 STAND_BY_LED STAND_BY_LED CP2PZ CP604 RLY_B SPKR_ SPKR_RLY_B SPKR_RLY_A SPKR_RLY_A VOL_UP. VL_REF. BASSL_UP. TREBLE_UP. TREBLE_DOWN. VOL_DOWN. BASS_DOWN. TUNED TO TUNER BD 1 2 3 4 5 6 1 2 3 4 5 6 7 8 CN610 TUNER_MUTE STEREO 7001_DATA 7001_CE 7001_CLK SPKR_RLY_A SPKR_RLY_B 9

19、459_DATA 9459_CE 9184_CE 7312_CLK 7312_DATA 7312_CS 7312_Z2_CS 7312_REC_CS 9459_CLK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TO MAIN BD CN14P CN 107 REC_MUTE ZONE2_MUTE MAIN2_MUTE PROTECTION V _REF 1 2 PWR_MUTE CN602 CN2P TO AMP BD VOL_UP. V_REF. BASSL_UP. TREBLE_UP. TREBLE_DOWN. VOL_DOWN. BASS_DOWN. SPKR_R

20、LY_A SPKR_RLY_B 9459_DATA 9459_CLK EXT_RMC ZONE2 _RMC TUNED TUNER_MUTE STEREO 7001_DATA 7001_CE 7001_CLK REC_MUTE PROTECTION PWR_DOWN 9459_CE 9184_CE +5.6V 31 35 34 33 32 36 40 39 38 37 41 45 44 43 42 48 47 46 49 58 57 79 50 53 52 51 54 56 55 63 62 12 20 14 11 13 21 22 23 27 28 29 30 15 16 24 17 25

21、18 26 19 64 66 65 69 68 67 70 72 71 75 74 73 76 78 77 CXP82832 1C601 80 59 61 60 P3 81 82 83 90 91 92 93 94 95 96 97 98 99 1 2 3 4 8 6 5 7 9 10 100 84 85 86 87 88 89 P9 P8 P7 P6 P5 P4 G7 G6 G3 G2 G1 G12 G5 G4 P2 100P 100P 100P 100P 100P 100P P9 P10 P11 P12 P13 P14 615 616 617 618 620 619 P1 VDD G11

22、G10 G11 G12 KEY_IN4 KEY_IN3 KEY_IN2 KEY_IN1 G9 G8 P20 P21 P22 15 12 13 14 11 9 10 8 4 5 6 7 3 1 2 34 37 25 27 35 26 23 24 31 32 33 30 28 29 22 36 19 20 21 18 16 17 38 39 40 41 42 43 44 P35 P35 G12 G9 G10 G11 45 46 47 48 49 51 50 P9 P8 P7 P6 P5 P4 P3 P2 P1 F2 . F2 F1 C613 473C F1. G1 G2 G5 G6 G7 G8 G

23、3 G4 G12 G9 G10 G11 G1 G2 G5 G6 G7 G8 G3 G4 P23 P24 P25 P31 P26 P27 P28 P29 P30 P32 P33 P34 P18 P16 P17 P19 C614 473C P9 P8 P7 P6 P5 P4 P3 P2 P1 P10 P11 P12 P13 P14 P15 P20 P21 P22 P23 P24 P25 P31 P26 P27 P28 P29 P30 P32 P33 P34 P18 P10 P16 P17 P19 P11 P12 P13 P14 P15 P20 P21 P22 P23 P24 P25 P31 P26

24、 P27 P28 P29 P30 P32 P33 P34 P18 P16 P17 P19 P35 P13 P14 P15 P20 P21 P22 P23 P24 P25 P31 P26 P27 P28 P29 P30 P32 P33 P34 P18 P16 P17 P19 P35 P13 P14 P15 P10 P11 P12 LTL1214A LTL1214A LTL1214A FL601 1N4148 2R2 2R2 D601 R614 R615 R618 R620 330 330 330 R616 LED602 LED601 LED603 10K 4.7/50V 103C R613 C6

25、05 C606 330 S614 S616 S618 120K 120K 120K 120K 120K 120K 120K 120K C610 R630 120K 120K 120K 120K 120K 120K 120K 120K 120K 120K 120K 120K 120K 120K 120K R612 2 2 GND GND GND D613 IN4148 SPEAKER A SPEAKER B ZONE2 IN4148 IN4148 IN4148 CD MEMORY R611 100P 100P 820P 10K 10K 10K 10K 10K 10K R631 820P R628

26、 R629 C612 C607 S615 820P 820P S617 R610 C608 C609 D612 SW602 ENCODER3P ENCODER3P SW603 SW601 D610 D611 POWER_OPT.2POWER_OPT.1 PHONO TUNER BAND FM50K / ON FM50K / 100K AM9K / ON AM9K / 10K VIDEO4 TUNER /PRESET TUNER DOUN REC.SEL S601 S603 S605 VIDEO3 MOMO S602 S606 S608 S607 S604 S609 S611 S613 S610

27、 S612 VIDEO2 TAPE TUNE UP C611 3 1 13 BB C A B C C AA 2 3 1 ENCODER3P R632 4k7 4k7 R607 4K7 100K R608 R601 R602 R603 R604 47K 47K 47K 47K R633 R634 R635 R636 R637 R638 4k7 4k7 4k7 4k7 4k7 1K D604 D605 R622 R625 R623 R624 1K 1K 1K 1K D606 D607 D608 D609 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 R626

28、R627 1K R0622 R0623 R0621 R0612 R0611 R0610 R0609 R0608 R0607 R0606 R0605 R0604 R0603 R0602 R0601 R0618 R0617 R0616 R0615 R0614 R0613 R0620 R0619 1N4148 C603 100 R605 103C 0.1F / 5.5V C602 IN4148 D603 C601 D602 0.22 / 50V Q601 3.3 / 50V R606 KTC107M C604 4K7 XT601 10MHZ KTC3198 KTC3198 KTC3198 Q602

29、Q603 Q604 R621 R619 R617 4K7 4K7 4K7 R609 33K Schematic Diagram (1/6) Front Circuit 016X-1323B01,04,10 17 RR305 INPUT OUT PUT PHONO CD VIDEO 1 VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 2 VIDEO 4 TAPE TAPE_OUT Schematic DiagramMain PCB (1/2) 016 X-1322A00 18 SPEAKER B LEFT RIGHT 1 5 CN103 CN5P -15V +15V 7312_CLK

30、 7312_DATA 3 4 2 AMPLIFIER BD 016 X-1321A00 CN203 POWER-S CN201 CN202 CP201 SPEAKER A LEFT 016 X1323A02 016 X1323A02 RIGHT TO TERMINAL B D ZONE OUT LEFT RIGHT Schematic Diagram (3/6) Main PCB (2/2) 016 X-1322A00 19 Z5V1 4K7 TO_MAIN-BD LEFT-OUT (CP103) (CP104) (CN104) (CP106) RIGHT-OUT +/- VCC FROM F

31、ROM FRONT BD MAIN BD IN_PUT Schematic Diagram (4/6) Amplifier Circuit 016 X-1321A00 CP5PZ CP201 3 4 1 2 5 L INPUT R INPUT 1 2 20 CP103 RCA403 RCA3P RCA3P RCA1P RCA404 RCA402 VIDEO 4 VIDEO PART VIDEO 3 MONITOR VIDEO 2_OUT VIDEO 2_IN VIDEO 1_OUT VIDEO 1_IN CP5PZ DOWN CP8PZ UP DOWN UP DOWN UP CP605 U D

32、 U D U D 3 4 1 2 5 6 3 4 1 2 5 6 3 4 1 2 5 6 3 4 1 2 5 JAK401 JAK402 JAK403 7 8 ZONE IN 3 4 1 2 5 6 SPEAKER A ZONE OUT LEFT LEFT CN 101 RIGHT RIGHT Schemaic Diagram (5/6) Power Supply, Video Circuit 016 X-1323B02,03,05,09 016 X-1323B03 016 X-1323B09 016 X-1323B05 016 X-1323B02 21 Schematic Diagram (6/6) Tuner PCB 016 4002002301 22