JVC-THS77-ddcs-sm维修电路原理图.pdf
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1、SERVICE MANUAL COPYRIGHT 2005 Victor Company of Japan, Limited No.MB421 2005/7 DVD DIGITAL CINEMA SYSTEM MB42120057 TH-S77 Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade) TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 2SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . .
3、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 4ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20 5TROUBLESHOOTING . . . . . . . . . . . . . . . .
4、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-25 PHONESMIC 2MIC 1 MIN MIC LEVEL MAX Area suffix US - Singapore UP - Korea UT - Taiwan UX - Saudi Arabia UG - Turkey,South Africa,Egypt UN - Asean (SP-THS77F)(SP-THS77F)(SP-THS77S) (SP-PWS77) (XV-THS
5、77) (SP-THS77C) RadioFans.CN 收音机爱 好者资料库 1-2 (No.MB421) SPECIFICATION Center unit (XV-THS77) *1: This value is measured at System cord CONNECTOR for reference. *2: Corresponding to Linear PCM, Dolby Digital, and DTS Digital Surround (with sampling frequency -32 kHz, 44.1 kHz, 48 kHz) Subwoofer (SP-PW
6、S77) Audio section Total Harmonic Distortion *10.02% Audio input level AUDIO IN (VCR)270 mV/47 k Digital input *2DIGITAL IN (OPTICAL)-21 dBm to -15 dBm (660 nm E30 nm) Video section Video SystemPAL/NTSC Horizontal Resolution500 lines Signal-to-Noise Ratio64 dB Video input sensitivity/Impedance (VCR
7、IN)Composite: 1.0 V(p-p)/75 S-video-Y: 1.0 V(p-p)/75 S-video-C: For PAL 0.3 V(p-p)/75 S-video-C: For NTSC 0.286 V(p-p)/75 Video output levelComposite: 1.0 V(p-p)/75 S-video-Y: 1.0 V(p-p)/75 S-video-C: For PAL 0.3 V(p-p)/75 S-video-C: For NTSC 0.286 V(p-p)/75 Component-Y: 1.0 V(p-p)/75 Component-PB/P
8、R: 0.7 V(p-p)/75 Tuner section Tuning RangeFM87.50 MHz to 108.00 MHz AM (Except for the countries of Middle East) 531 kHz to 1 710 kHz(at 9 kHz intervals) 530 kHz to 1 710 kHz(at 10 kHz intervals) AM (For the countries of Middle East)531 kHz to 1 602 kHz(at 9 kHz intervals) 530 kHz to 1 600 kHz(at 1
9、0 kHz intervals) GeneralPower RequirementsAC 110 - 240 V , 50/60 Hz Power Consumption17 W (at operation) 1.4 W (in standby mode) Dimensions (W H D)435 mm 55 mm 304 mm Mass2.5 kg Amplifier sectionFront140 W per channel, RMS at 4 at 1 kHz, with 10 % total harmonic distortion. Center/Surround130 W per
10、channel, RMS at 4 at 1 kHz, with 10 % total harmonic distortion. Subwoofer140 W, RMS at 4 at 100 Hz, with 10 % total harmonic distortion. Speaker sectionSpeaker unit16 cm Bass-reflex Power Handling Capacity140 W Impedance4 Frequency Range30 Hz to 200 Hz GeneralPower RequirementsAC 110 V/AC 127 V/AC
11、220 - 240 V, 50 Hz/60 Hz Power Consumption135 W (at operation) 0 W (in standby mode) Dimensions (W H D)170 mm 411 mm 451 mm Mass11.5 kg RadioFans.CN 收音机爱 好者资料库 (No.MB421)1-3 Satellite Speakers Designs * E70306- 002 A :AUSTRALIA A+12V A- 12V Ver.UF/UB 220V 50Hz Ver.UP 220V 60Hz POWER PWB NI * * * *B3
12、001 (B- 10) B3004 (C- 12) B3003 NONE (B- 12) NONE (1/4W)UNF 5.0V 5.0V 0V 0V 4.0V 4.1V - 22.8V - 22.3V - 23.0V UT:TAIWAN UG:TURKEY/EGYPT/SOUTHAFRICA Standard schematic diagrams Power supply section 2-3 SHEET 2 Parts are safety assurance parts. When replacing those parts make sure to use the specified
13、 one. + - + - + - + - + - + - + - + - C CV- Y1 Y2- G CB- B STAND- BY REMOCON BLANK- CTL VIDEO- SW VCR- S/C VIDEO- SW VIDEO- MUTE1 VIDEO- MUTE2 VIDEO- YCMIX VIDEO- RGB SAFETY BLANK- CTL VS1 VS3 VOL- DT VOL- CK VS3 VS1 VIDEO- RGB VIDEO- YCMIX VIDEO- MUTE2 VIDEO- MUTE1 U2SDT UCS SCS CPURST F+ F- - VDIS
14、P DVD- PON SYS- PON DVD- PON SYS- PON S- MUTE SW- PON AM- BEAT S- MUTE SW- PON AM- BEAT HP- DET HP- DET SMUTE SWPON SCART- LIN SAFETY HPOUT- R OUT- C OUT- SW OUT- SL OUT- SR OUT- SL OUT- SR OUT- C OUT- SW HPOUT- L HPOUT- R A+12V A- 12V AGND CR- R DI- CS RDS- DATA MICMUTE CPURST CLOSESW RDS- CLK TU-
15、PON L- R TU TU- DI TU- DO TU- CK TU- CE TU- CE TU- DO TU- CK TU- DI TU- PON RDS- CLK RDS- DATA CLOSESW OPENSW UCS VCR- S/C SCART- RIN U2SDT S2UDT SCLK SCLK S2UDT SCS SETUP Y2- G CB- B CR- R C CV- Y1 OPENSW TCLOSE TOPEN KEY2 KEY1 ECHO VOL- MUTE A5V A5V ECHO STAND- BY L- R SETUP SWPON VOL- MUTE VOL- D
16、T SMUTE VOL- CK TU A+12V A+12V A- 12V AGND AGND AGND KEY1 KEY2 MIC A+12V A5V A5V STANBY ILLU- LED REMOCON DI- CS DI- DT DI- CK - VDISP F+ F- HP- DET DVDPWR DVDPWR TCLOSE TOPEN HPOUT- L AVVLR AGND MIC MICMUTE MICMUTE SCART- RIN AGND A+12V VS3 VS1 A5V AGND Y2- G C CR- R CB- B BLANK- CTL AGND VCR- S/C
17、Q4811 KRA102S- X VIDEO- SW VIDEO- MUTE1 VIDEO- MUTE2 VIDEO- YCMIX VIDEO- RGB Q4812 KRC102S- X D4811 1SS133- T2 Q4921 KTC3203/OY/- T D4921 MTZJ8.2C- T2 Q4931 KTA1271/OY/- T X4701 QAX0246- 001Z 321 D4703 MTZJ4.7B- T2 Q4701 KRC111S- X D4704 1SS133- T2 Q4702 KRC107S- X D4931 MTZJ8.2C- T2 D4922 1SS133- T
18、2 D4932 1SS133- T2 D4891 NI D4833 1SS133- T2 D4832 1SS133- T2 D4835 MTZJ6.8A- T2 D4834 1SS133- T2 X4071 QAX0868- 001Z D4705 SHORT NI Q4703 KRC102S- X Q4951KRA104S- X Q4952 KRA104S- X Q4801 KTA1504/YG/- X Q4802 KRC102S- X SHORT CP471 ! Q4091 KTA1271/OY/- T Q4092 KTC3875/YG/- X D4091 1SS133- T2 D4092
19、MTZJ6.8A- T2 Q4961 KTC3203/OY/- T D4961 MTZJ4.7A- T2 Q4821 KRC102S- X Q4831 KRC102S- X D4831 1SS133- T2 IC491 KIA7805API 1 2 3 IC475 RC4558D- X 6 5 7 8 4 IC476 RC4558D- X 6 5 7 8 4 IC476 RC4558D- X 2 3 1 SCART- LIN IC601 RC4558D- X 6 5 7 4 8 CV- Y1 IC475 RC4558D- X 2 3 1 K4701 QQR0621- 001Z K4702 QQ
20、R0621- 001Z 4 J4891 NI 2 1 3 IC601 RC4558D- X 2 3 1 D4966 MTZJ4.7C- T2 IC478 RC4558D- X 2 3 1 IC478 RC4558D- X 6 5 7 8 4 IC471 MN101CF49KRD 12345678910111213141516171819202122232425 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 54 55 56 57 58 59 60 61 62 63 64 6
21、5 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 IC473 SN74AHCT08NS- X 141312111098 7654321 IC481 BU1924F- X 161514131211109 87654321 IC474 CD4066BM- X 891011121314 7654321 IC477 BR24L08F- W- X 8765 4321 CN406 QGD2504C1- 04Z 4 3 2 1 CN410 QG
22、F1205C1- 11 1 2 3 4 5 6 7 8 9 10 11 CN407 QGD2504C1- 05Z 5 4 3 2 1 CN405 QGD2504C1- 05Z 5 4 3 2 1 CN404 QGD2504C1- 05Z 5 4 3 2 1 CN408 QGF1036C1- 05 5 4 3 2 1 IC472 S- 80840CNNB- G- W 12 34 D4962 1N4003S- T5 D4998 1SS133- T2 Q4971 2SC3661- X Q4972 2SC3661- X Q4973 KRA104S- X D47091SS133- T2 D47081SS
23、133- T2 D4707 1SS133- T2 D4706 1SS133- T2 CN416 QGA2501C1- 05 1 2 3 4 5 Q4832 KRA110S- X Q4833 KRC110S- X D4841 MTZJ2.0A- T2 D4842 MTZJ3.3A- T2 CN412 QGF1036C1- 07 7 6 5 4 3 2 1 CN401 QGF1036C1- 15 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CN415 QGF1205C1- 06 1 2 3 4 5 6 0.1/16 C4771 C4710 0.01/50 2.2/50
24、C4703 C4793 0.1/16 470p/50 C4606 10P/50 C6102 C6617 470p/50 0.22/50 C4801 0.1/16 C4073 47/25 C4071 100/16C4932 C4721 0.1/16 C4711 470/6.3 C6618 470p/50 C4772 0.1/16 C6613 4.7/50 0.0082/50 C4011 C4716 0.1/16 0.022/16 C4704 C4091 22/50 10P/50 C6202 C4720 0.1/16 C6611 4.7/50 0.1/16 C4791 0.0082/50 C401
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