Onkyo-HTR430-avr-sm维修电路原理图.pdf
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1、HT-R430 SERVICE MANUALSERVICE MANUAL Black and Silver models Ref. No. 3866 052005 AV RECEIVER 120V AC, 60HzS MDD 230-240V AC, 50HzS MPA MODEL HT-R430 120V AC, 60HzB MDD 230-240V AC, 50HzB MPA TONE+STEREOLISTENING MODEDISPLAYDIGITAL INPUTDIMMERMEMORYTUNING MODE RETURN TUNING/ PRESET ENTER SETUP STAND
2、BY STANDBY/ON CLEAR PHONES MULTl CHDVDVIDEO 1/VCRVIDEO 2VIDEO 3TAPETUNERCD MASTER VOLUME A SPEAKERS B RC-606S MUTING MENUTOP MENU SP A / B SETUPRETURN RANDOMSUBTITLE PLAY MODE AUDIOREPEAT RC- 606S -/- TAPE/AMP ONSTANDBY DIMMERSLEEP INPUT SELECTOR REMOTE MODE V1V2V3 C DTAPETUNER DVDMULTI CH LISTENING
3、 MODE DISPLAY TEST TONECH SEL SURROUNDSTEREO CINE FLTR LEVEL+LEVEL- L NIGHTOR-EQ VOL CDR MD DVDRECEIVER C D +10 0CLR 123 456 789 ENTER CH DISC SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHO
4、CK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. RadioFans.CN 收音机爱 好者资料库 HT
5、-R430 SPECIFICATIONS Power Output 2 channel driven: Dynamic Power THD (Total Harmonic Distortion) Damping Factor Input Sensitivity and Impedance Output Level and Impedance Frequency Response Tone Control Signal to Noise Ratio Speaker Impedance 100 W + 100 W (8 , 1kHz, FTC) 210 W + 210 W (3 , Front)
6、/ 155 W + 155 W (4 , Front) / 105 W + 105 W (8 , Front) 0.08% (Power Rated) 60 (Front, 1kHz, 8 ) 200 mV/ 47 k (LINE) 200 mV/ 470 (REC OUT) 10 Hz 100 kHz / +1 dB -3 dB (Direct mode) 10 dB, 50 Hz (BASS) / 10 dB, 20 kHz (TREBLE) 100 dB (LINE, IHF-A) 8 16 Input Sensitivity/Output Level and Impedance 1 V
7、p-p / 75 (Component and S-Video Y) 0.28 Vp-p / 75 (S-Video C) / 1 Vp-p / 75 (Composite) Tuning Frequency Range Usable Sensitivity Signal to Noise Ratio THD Frequency Response Stereo Separation North American: 87.5 MHz 107.9 MHz / Others: 87.5 MHz 108.0 MHz Stereo: 17.2 dBf 2 V(75 IHF) / Mono: 11.2 d
8、Bf 1 V(75 IHF) Stereo: 70 dB (IHF-A) / Mono: 76 dB (IHF-A) Stereo: 0.3% (1kHz) / Mono: 0.2% (1kHz) 30 Hz 15 kHz / 1 dB 45 dB (1kHz) Tuning Frequency Range Usable Sensitivity Signal to Noise Ratio THD North American: 530 kHz 1710 kHz / Others: 522 kHz 1611 kHz 530 kHz 1710 kHz 30 V 40 dB 0.70% Power
9、Supply Power Consumption Stand-by Power Consumption Dimensions (W x H x D) Weight North American: AC 120 V, 60 Hz / Australian: AC 230 240 V, 50 Hz / North American: 5.5 A / Others: 380 W North American: 0.1 W / Others: 0.5 W 17-1/8 x 5-7/8 x 14-1/2, 345 x 150 x 369 mm North American: 19.6 lbs. (8.9
10、 kg) / Others: 21.2 lbs. (9.6 kg) S-Video Composite DVD, VIDEO1, VIDEO2 DVD, VIDEO1, VIDEO2, VIDEO3 S-Video Composite MONITOR, VIDEO1 MONITOR, VIDEO1 Digital Inputs Analog Inputs Multichannel Inputs Optical: 1 / Coaxial: 1 DVD(MULTI CHANNEL), VIDEO1, VIDEO2, VIDEO3, TAPE, CD 6 Analog Outputs Subwoof
11、er Pre Outputs Speaker Outputs Phones TAPE, VIDEO1 1 SP-A (L, R, C, SL, SR, SB) + SP-B (L, R) 1 Amplifier section Video section Tuner section General Video inputs Video outputs Audio inputs Audio outputs FM AM RadioFans.CN 收音机爱 好者资料库 SERVICE PROCEDURE HT-R430 1. Replacing the fuses This symbol locat
12、ed near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard, replace with same type fuse, For fuse rating, refer to the marking adjacent to the symbol. Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nutilis
13、er que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre. 2. To initialize the unit The AV receiver uses a battery-less memory backup system in order to retain radio presets and other settings when its unplugged or in the case of a power failure. Although no batter
14、ies are required, the AV receiver must be plugged into an AC outlet in order to charge the backup system. Once it has been charged, the AV receiver will retain the settings for several weeks, although this depends on the environment and will be shorter in humid climates. 1. Press and the hold down t
15、he VIDEO 1/VCR button, then press the STANDBY/ON button when the unit is Power on. 2. After Clear is displayed, the preset memory and each mode stored in the memory, are initialized and will return to the factory settings. 4. Memory Backup Main microprocessor Q701 only. 1. Press and the hold down th
16、e DISPLAY button, then press the STANDBY/ON button when the unit is Power on. Version is displayed on FL display only for 3 seconds. 2. Press the STANDBY/ON button to Power off. 3. To check version of microprocessor? Ver.1.01/05305a Ex. REF NO. F901 F901 or F902 F902 or F902 or F903 F903 or F903 F90
17、3 or F903 or F6901 F6901 or F6902 F6902 or DESCRIPTION 6.3A-UL/T-237 6.3A-T/UL-ST2 3.15A-SE-EAK FUSE 3.15A-SE-TL250V 3.15A-SE-TL250V 5A-UL/T-237 5A-T/UL-ST2 2.5A-SE-EAK FUSE 2.5A-SE-TL250V 2.5A-SE-TL250V 8A-UL 8A-T/UL-ST2 8A-UL 8A-T/UL-ST2 PART NO. 252166 252260 252076 252242 252276 252164 252258 25
18、2075 252241 252275 252198 252261 252198 252261 REMARKS !, !, !, !, !, !, !, !, !, !, ! ! ! ! PART NAME FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE FUSE : USA model only : Australian model only HT-R430 OPERATION CHECK-1 SPEAKER PROTECT-1 (DC VOLTAGE DETECTION) 1. Press and the ho
19、ld down the CD button, then press the STANDBY/ON button when the unit is Power ON. Test - _ is displays it only for 5 seconds. 2. Press the VIDEO 3 button, while the character of Test - _ is displayed. Unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ button until the character of T
20、est-4-21 is displayed. Procedure No load. No input. Test - _ Test - 4-00 When 1. Exchange power transistors (Q6050 - Q6065). 2. Exchange amplifier PC board assy (NAAF-8523). Test - 4-21 Checking the operation starts automatically as follows. Test - 4-21 Test - 4-22 Test - 4-25 Test - 4-23 Test - 4-2
21、4 Protect OK Protect OK Protect Protect OK Protect OK Protect OK Test - 4-35 Clear Turn off Front L ch Check If all channel are OK, the character of Test - 4 - 35 is displayed. 4. Press the STANDBY/ON button. Front R ch Check Center ch Check Surround L ch Check Surround R ch Check Blinks Test - 4-26
22、 Protect OK Surround Back ch Check HT-R430 OPERATION CHECK-2 SPEAKER PROTECT-2 (CURRENT DETECTION) 1. Press and the hold down the CD button, then press the STANDBY/ON button when the unit is Power ON. Test - _ is displays it only for 5 seconds. 2. Press the VIDEO 3 button, while the character of Tes
23、t - _ is displayed. Unit will be in the state of Test-4-00 . 3. Repeatedly press TONE+ button until the character of Test-4-35 is displayed. 4. Connect the Dummy load of 3 ohms to the Front Lch speakers terminal. At this time, check the speaker relay is not turned off. 5. Connect the dummy load of 1
24、 ohm to the Front Lch speakers terminal. At that time, you check the speaker relay is turned off and Protect is displayed. Disconnect the dummy load at once when check the display of Protect . 6. Check other channels according to the same procedure. Procedure No input. Do not check two or more chann
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