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ORDER NO.

PIONEER CORPORATION

1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.

PIONEER EUROPE NV

Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE. LTD.

253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION

2011

2011 Printed in Japan

VSX-

21-K

RRV4167

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-821-K

VSX-921-K

VSX-521-K

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model

Type

Power Requirement

Remarks

VSX-

21-K

CUXCNSM

AC 120 V

VSX-921-K

UXCNCB

AC 120 V

VSX-521-K

CUXCNSM

AC 120 V

For details, refer to "Important Check Points for good servicing".

K-IZV MAR.

Содержание VSX-521-K

Страница 1: ...ICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2011 2011 Printed in Japan VSX 821 K RRV4167 AUDIO VIDEO MULTI CHANNEL RECEIVER VSX 821 K VSX 921 K VSX 521 K THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Model Type Power Requirement Remarks VSX 821 K CUXCNSM AC 120 V VSX 921 K UXCNCB AC 120 V VSX 521 K CUXCNSM AC 120 V For details refer to Impor...

Страница 2: ... 60 Hz outlet and turn the AC power switch on Any current measured must not exceed 0 5 mA ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER 2 PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appliance have special safety related characteristics These are often not ev...

Страница 3: ...the product Please check that neither solder debris nor screws remain inside the product 8 There should be no semi broken wires scratches melting etc on the coating of the power cord Damaged power cords may lead to fire accidents so please be sure that there are no damages If you find a damaged power cord please exchange it with a suitable one 9 There should be no spark traces or similar marks on ...

Страница 4: ...MENT 67 9 EXPLODED VIEWS AND PARTS LIST 70 9 1 PACKING SECTION 70 10 SCHEMATIC DIAGRAM 80 10 1 AUDIO ASSY 80 10 2 AMP ASSY 1 2 for VSX 921 K 82 10 3 AMP ASSY 2 2 for VSX 921 K 84 10 4 AMP ASSY 1 2 for VSX 821 K VSX 521 K 86 10 5 AMP ASSY 2 2 for VSX 821 K VSX 521 K 88 10 6 MAIN ASSY 90 10 7 SUBWOOFER HEADPHONE MIC GUIDE L R WIRE GUIDE A and B ASSYS 92 10 8 VIDEO ASSY 94 10 9 F VIDEO FRONT and POWE...

Страница 5: ...ust be set to around 373 ºC in general although the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of the soldering iron Do NOT use a soldering iron whose tip temperature cannot be controlled Compared with eutectic solders lead free solders have higher bond strengths but slower wetting times and higher melting temperatures hard to ...

Страница 6: ...uner Section Frequency Range FM 87 5 MHz to 108 MHz Antenna Input FM 75 Ω unbalanced Frequency Range AM 530 kHz to 1700 kHz Antenna AM Loop antenna Digital In Out Section HDMI terminal Type A 19 pin HDMI output type 5 V 100 mA USB terminal USB2 0 Full Speed Type A iPod terminal USB and Video Composite SIRIUS antenna cable 8 pin mini DIN cable ADAPTER PORT terminal 5 V 100 mA Miscellaneous Power Re...

Страница 7: ...z to 108 MHz Antenna Input FM 75 Ω unbalanced Frequency Range AM 530 kHz to 1700 kHz Antenna AM Loop antenna Digital In Out Section HDMI terminal Type A 19 pin HDMI output type 5 V 100 mA USB terminal USB2 0 Full Speed Type A iPod terminal USB and Video Composite SIRIUS antenna cable 8 pin mini DIN cable ADAPTER PORT terminal 5 V 100 mA Miscellaneous Power Requirements AC 120 V 60 Hz Power Consump...

Страница 8: ...resolution Component Video 1080p 1125p Tuner Section Frequency Range FM 87 5 MHz to 108 MHz Antenna Input FM 75 Ω unbalanced Frequency Range AM 530 kHz to 1700 kHz Antenna AM Loop antenna Digital In Out Section HDMI terminal Type A 19 pin HDMI output type 5 V 100 mA ADAPTER PORT terminal 5 V 100 mA Miscellaneous Power Requirements AC 120 V 60 Hz Power Consumption 415 W In standby 0 4 W Control OFF...

Страница 9: ...e normal 5 Check the video outputs Connect with a DVD player Video and operations must be normal 6 Check the tuner AM and FM operations Audio and operations must be normal 7 Check the sound from headphone output Sound must be normal without noise 8 Check the appearance of the product Block noise Distortion Horizontal noise Noise Flicker Volume too low Disturbed image video jumpiness Volume too hig...

Страница 10: ...SX 821 K VSX 821 K VSX 921 K T D MAIN ASSY R BRIDGE B ASSY BRIDGE A ASSY J WIRE GUIDE A ASSY N FRONT ASSY E SUBWOOFER ASSY L VIDEO ASSY F HEADPHONE ASSY U USB ASSY V BT ASSY A AUDIO ASSY G MIC ASSY M F VIDEO ASSY O POWER ASSY I GUIDE R ASSY S STANDBY ASSY K WIRE GUIDE B ASSY C AMP ASSY B D MAIN ASSY Q ...

Страница 11: ... IL 2 BRIDGE A ASSY 7028070222070 IL 2 BRIDGE B ASSY 7028070223070 IL 2 STANDBY ASSY VSX 821 K 7028070225030 IL 2 STANDBY ASSY VSX 921 K 7028070225070 IL NSP 1 FRONT ASSY VSX 821 K 7025HK1011013 IL NSP 1 FRONT ASSY VSX 921 K 7025HK1014013 IL 2 FRONT ASSY 7028070211050 IL 2 POWER ASSY 7028070212050 IL 2 MIC ASSY 7028070213050 IL 2 F VIDEO ASSY 7028070214050 IL 2 HEADPHONE ASSY 7028070215050 IL NSP ...

Страница 12: ...028070211020 IL 2 POWER ASSY 7028070212050 IL 2 MIC ASSY 7028070213020 IL 2 HEADPHONE ASSY 7028070215050 IL NSP 1 AUDIO ASSY 7025HK1011014 IL 2 AUDIO ASSY 7028070181030 IL NSP 1 D MAIN ASSY 7025HK1012012 IL 2 D MAIN ASSY 7028070191020 IL Mark No Description Part No Mark No Description Part No LIST OF ASSEMBLIES NOTES Parts marked by NSP are generally unavailable because they are not in our Master ...

Страница 13: ...13 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F ...

Страница 14: ...9 HDMI 12V 7 PDN 8 STBY_RLY 5 CPU_ 3 3V 3 FLAC 4 GNDU 1 FLAC 1 2 3 3 GNDU 4 INPUT_DN 5 ST_H 5V 6 POWER_LED 1 STBY_KEY 3 FL2 1 FL1 CP701 CN721 1 CP403 CP405 CN3 2 NC 3 SBR 10 PREGND 9 HIGHGND 5 HIGHB 6 HIGHB 7 HIGHGND 4 HIGHB 1 HIGHB 2 HIGHB CP1 3 GND S1 1 1 FL 2 FR 3 C CP402 CN1 17 TUNER_ 5V 14 TUNER_SEN 12 TUNER_SCLK 13 TUNER_SDIO 8 BT_DET 9 BT_TX 10 BT_RX 3 SIRIUS_P E 5 BT_ON CE 6 BT_ 5V 4 U DGN...

Страница 15: ...N 10 GNDD 9 Y_IN 9 10 5 CR_OUT 7 CV_OUT 6 GNDD 2 GNDD 1 Y OUT 11 8 OSD_CLK 9 U DGND 10 5V 4 NJW1327_SCL 5 OSD_RST 6 OSD_CE 1 F_VIDEO 2 GNDD MAIN 3 2 DGND2 1 DGND2 14 GNDD 15 CVBS_IN 16 CVBS_DET 10 GNDD 11 CB_IN 12 GNDD MAIN 6 GNDD 8 GNDD 7 CVBS_OUT 2 GNDD 1 Y OUT 3 CB_OUT MAIN 8 OSD_CLK 9 U DGND 5 OSD_RST 6 OSD_CE 4 NJW1327_SCL 1 F_VIDEO 3 D MAIN 31 2 CP404 3 ASO_DET 4 RADI_DET CPU 1 DC_DET4 27 HD...

Страница 16: ...1 K 1 2 3 4 A B C D E F 1 2 3 4 4 2 AUDIO BLOCK DIAGRAM for VSX 821 K VSX 521 K U USB ASSY VSX 821 K only M F VIDEO ASSY VSX 821 K only N FRONT ASSY A AUDIO ASSY D MAIN ASSY F HEADPHONE ASSY G MIC ASSY V BT ASSY ...

Страница 17: ...17 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F D MAIN ASSY C AMP ASSY D MAIN ASSY E SUBWOOFER ASSY ...

Страница 18: ...18 VSX 821 K 1 2 3 4 A B C D E F 1 2 3 4 4 3 AUDIO BLOCK DIAGRAM for VSX 921 K U USB ASSY M F VIDEO ASSY N FRONT ASSY A AUDIO ASSY D MAIN AS F HEADPHONE ASSY G MIC ASSY BT ASSY V Not used Not used ...

Страница 19: ...19 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F D MAIN ASSY B AMP ASSY D MAIN ASSY E SUBWOOFER ASSY ed ...

Страница 20: ...20 VSX 821 K 1 2 3 4 A B C D E F 1 2 3 4 4 4 D MAIN BLOCK DIAGRAM for VSX 821 K VSX 521 K T D MAIN ASSY VSX 821 only ...

Страница 21: ...21 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F ...

Страница 22: ...22 VSX 821 K 1 2 3 4 A B C D E F 1 2 3 4 4 5 D MAIN BLOCK DIAGRAM for VSX 921 K T D MAIN ASSY ...

Страница 23: ...23 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F ...

Страница 24: ...MP1 Cb OSD COMP1 Y FRONT V VIDEO TV SAT NJW1327 2V 1K 1V 0dB 1K 1V 0dB 1K 1V 0dB 1K 2V 75 1K DET COMP1 Cr UP Cb COMP2 Cb UP Y COMP2 Y OSD DVR DVD 2V 1K 1K 1V 0dB 1V 0dB 1K 2V 75 2V 75 2V 1K 2V 75 2V 75 NM NM NM NM 2V 75 DET COMPONENT CVBS SELECT L VIDEO ASSY VSX 921 only VSX 921 VSX 821 only ...

Страница 25: ...25 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F 1K 1K 1K 1K 1K 1K 1K 75 1K DET 75 1K 1K 1K 75 75 1K 75 75 NM NM NM NM 75 75 75 75 75 DET T 921 only ...

Страница 26: ... 821 K 1 2 3 4 A B C D E F 1 2 3 4 4 7 POWER SUPPLY and MAIN UCOM BLOCK DIAGRAM S4 FLT S4 USB S3 DSP HDMI AC CORD S2 12V 12V S1 AMP B B MAIN TRANS SUB TRANS VSX 921 821 only D MAIN ASSY S STANDBY ASSY Not use ...

Страница 27: ...27 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F only P CPU ASSY Not used ...

Страница 28: ...oltage 3 3 V output Is pin 6 en of IC1306 high Is the voltage of 1 2 V output Is it the VSX 921 826 40 Yes IC1306 pins 7 8 REG1302 pin 2 Check the IC1324 DSP power pin cvdd and dvdd cvdd 1 2 V dvdd 3 3 V Yes Yes Yes DSP 3 3V line is OK OK Yes No OK Check the IC1306 and its peripheral circuits Check the peripheral circuits or the SUB CPU IC1316 No Check the IC1324 DSP power pin cvdd and dvdd and it...

Страница 29: ... pin cvdd dvdd and its peripheral circuits or must be replaced IC1324 REG1302 No Check the peripheral circuits or the SUB CPU IC1316 No No OK Yes Check the IC1325 and its peripheral circuits No No Replace IC1325 NG Yes Check the peripheral circuits or the SUB CPU IC1316 No Replace IC1305 OK Replace IC1305 OK Replace IC1305 or Check the MAIN Assy 12 V input Step 4 Power supply CP1304 pins 1 2 IC132...

Страница 30: ...in of JACK1305 JACK1306 Check that the S PDIF signal is output Check that changes by pulling out and inserting the digital input lines No Yes Can observe the digital signal Check the IC1319 and its peripheral circuits or replace IC1319 Can observe the digital signal Can observe the digital signal Yes No Check the path to pins 8 to 11 of IC1319 or replace IC1319 Check that it changes in the playbac...

Страница 31: ...Is there a DATA output Is there a master clock output Yes Yes Yes Is there a LR clock output Is there a bit clock output Is the voltage of IC1322 pin 1 0 V Is there a bit clock output DIR_MCK master clock DIR_LRCK LR CLOCK DIR_SDTO DATA DIR_BCK bit clock DAI_MCK MASTER CLOCK DAI_LRCK LR CLOCK DAI_bck bit CLOCK IC1322 pin 1 0 V DIR 3 3 V HDMI SWITCH 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V...

Страница 32: ... a data input Is there a data input Is there a data input Is there a data input Yes IC1318 pin 28 IC1318 pin 27 Yes IC1318 pin 26 Yes IC1318 pin 25 Yes Yes DSP_BCK BIT CLOCK DSP_LRCK LR CLOCK front L R data surround L R data CENTER LFE data surround back L R data 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V 0 V 3 3 V To Step 8 No No No No No No Check the path between IC1324 and data address l...

Страница 33: ...und R out IC1318 pin 43 Yes Is there a audio signal output surround L out IC1318 pin 43 surround L out IC1318 pin 41 Yes Is there a audio signal output center out Yes IC1318 pin 41 center out IC1318 pin 39 Yes Is there a audio signal output LFE out Yes Yes IC1318 pin 39 LFE out IC1318 pin 49 Yes Is the output 2 5 V fixing front R out IC1318 pin 47 Yes Is the output 2 5 V fixing front L out IC1318 ...

Страница 34: ...ace the Monitor OK Repare the Monitor HDMI Troubleshooting HDMI Simple Diagnosis Step 0 Preliminary confirmation Confirm the following items before checking To Step 1 Do screws of chassis back securely tighten To Step 2 Tighten screws securely Yes No Step 1 Connect the HDMI equipment Source equipment Connect a dvd player to VIDEO or BD or DVD or DVR BDP Sink equipment Connect a TV to HDMI OUT Turn...

Страница 35: ...h CP306 pin 4 Check the parts and pattern in the path Replace Q1318 Q1319 No Replace IC1315 Replace IC1325 Replace IC1305 Replace Q1318 Yes No No Diagonose the CPU Assy No Diagonose the CPU Assy No Diagonose the SUB CPU IC1316 No No Is pin 6 en of IC1305 high Yes Yes Check the parts and pattern in the path of Q1318 Q1319 etc Yes No Diagonose the SUB CPU IC1316 No Q1318 base voltage is 2 6 V No Q13...

Страница 36: ... IC1300 abnormally hot Yes Replace IC1300 No No HDMI 3 3V CP1306 pin 10 Is the voltage 0 to 3 3 V Diagonose the MAIN Assy No Diagonose the MAIN Assy No Diagonose the MAIN Assy No Is the voltage 0 to 3 3 V Is there a data input 0 to 3 3 V Is there a data output 0 to 3 3 V Is there a data input 0 to 3 3 V Diagonose the MAIN Assy No Is there a data input 0 to 3 3 V SUB_RESET SUB_PDN HDMI 1 8V IC1300 ...

Страница 37: ...in the path pin 59 of IC1316 No Check the path to pin 13 of IC1316 Replace IC1316 No Check the path to pin 4 of IC1303 Replace IC1303 Check the path to pin 1 2 6 7 of IC1312 Replace IC1312 or XTAL1300 No Check the path to pin 22 of IC1302 Replace IC1302 No No Replace IC1302 or X1301 No Is the voltage 0 to 3 3 V IC1308 pin 25 Yes IC1302 pin 51 ABT_RST Yes IC1311 pin 63 Yes Yes IC1316 pin 15 Is ther...

Страница 38: ...o Step 7 Repeat SDA HDMI_OUT Check the JACK1304 and IC1308 If JACK1304 or IC1308 is failure replace JACK1304 or IC1308 No Check the JACK1304 and IC1308 If JACK1304 or IC1308 is failure replace JACK1304 or IC1308 No Check the IC1308 and IC1303 If IC1308 or IC1303 is failure replace IC1308 or IC1303 No Repeat Yes IC1308 pin 47 Does a signal output in constant period 0 to 5 V Does a signal output in ...

Страница 39: ...SCL DECODER TMDS OUTPUT IC1302 pin 54 Check the line and IC1308 RESET 51_H If IC707 is failure replace IC1302 No Does a signal output in constant period 0 to 3 3 V Yes C To Step 8 Yes To Step 9 Yes Yes 3 3 V CN1304 IC1316 pin 55 IC1302 pins 36 47 48 49 50 Are the connectors securely inserted Does a signal output in constant period WAVE Check the line and IC1316 If IC1316 is failure replace IC1316 ...

Страница 40: ...oltage of 5V input Is the voltage 3 3 V output Is the voltage of 12 V input Yes Yes Check the wire between USB and MAIN Assys No 12 V input 12 V input IC806 pins 7 8 Yes REG2 pin 3 Yes Check the IC806 and its peripheral circuits No No Is REG2 abnomally hot No No to chassis to chassis REG2 pin 2 Yes Yes Yes 3 3 V output Check the pattern in the path No The output and GND may be short circuited Chec...

Страница 41: ...ts and pattern in the path Replace XTAL1 etc Operation of IC801 is OK Go to step 3 Operation of IC801 is OK Go to step 3 D and D should have waveform during normal condition Check the pattern in the path of IC801 etc No Check the pattern in the path No Replace REG1 Replace IC805 D To Step 2 Step 2 Operation of USB Media Control IC IC801 pins 54 55 CN802 usb_rx tx pins 4 5 Yes JACK801 pins 2 3 IC80...

Страница 42: ...igh after the reset No No When scl and sda are normal operation high 3 3 V connect iPod and communicate it about 10 seconds later authentication starts And communicate it about 60 seconds later authentication is complete scl sda I2C between IC801 and IC804 Yes Refer to 1 DSP TROUBLESHOOTING Check the path between IC801 pin 105 Check the parts and pattern CN802 and IC801 Replace IC801 Step 4 Audio ...

Страница 43: ...k the pattern in the path and SUBWOOFER Assy Check the pattern in the path and MAIN and CPU Assys To Step 3 Yes To Step 2 Yes Step 2 Power supply CP603 pin 6 Is the voltage 5 V Is there any loose connection CN602 CP602 of SUBWOOFER Assy No No To Step 4 Yes Step 3 BT_ID CP603 pin 7 Is the voltage 0 7 to 1 2 V No bt_rx and bt_tx should be high during operation Check the pattern in the path of SUBWOO...

Страница 44: ...you detected an error consecutively three times 2 It is assumed that it is fixed value of the 20 msec to 50 msec degree 1 Return the ADP ERR display to the normal display if you change it into other FUNCTION only in the APAPTER PORT FUNCTION Also display ADP ERR if the ADAPTER PORT FUNCTION is ERROR state Basic Operation Front Key Sequence Change Character Display Time sec Icon Display FL LED Disp...

Страница 45: ...utline Error message is displayed at abnormality time Basic Operation Front Key Sequence Change OSD display Time sec FL Display I The communication error iPod USB communication error Generation error U E R R 1 I U E R R 2 Loading error I U E R R 3 OverHeat error I U E R R 4 No Track Caution N O T R A C K ...

Страница 46: ...46 VSX 821 K 1 2 3 4 A B C D E F 1 2 3 4 5 4 DETECTION CIRCUIT 1 Overload and DC Protection Circuit P CPU ASSY C B AMP ASSY C B AMP ASSY D MAIN ASSY ...

Страница 47: ...47 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F 2 TEMP Protection Circuit P CPU ASSY C B AMP ASSY C B AMP ASSY ...

Страница 48: ...How to enter exit During Standby mode simultaneously press and hold the PRESET and STANDBY ON keys for 2 seconds to enter this mode The display will return to the normal indication when no key operation is performed for 5 seconds Counter Counter Counter 2 2 2 The above mentioned Display mode is available only when the product operates properly If any protection function is activated while the prod...

Страница 49: ...rs of protection detections are completed all the counters will be reset to 000 2 Prohibitions The protection detection counts cannot be cleared reset to 000 with the MEMORY CLEAR process They can only be cleared when the procedures of Reset mode are completed 1 5 normal denotes that the display will return to the normal indication when no key operation is performed for 5 seconds 2 Indication when...

Страница 50: ...ER POWER OFF usually 1 2 Normal display Time sec The unit s operation when a DC OVER TEMP error is detected is described here How to cancel the status after detection of a DC error is described here because no key input will be accepted after a DC error detection FL Display Description of Indications Key Operation 3 2 OVERLOAD overcurrent error detection Normal display OVERLOAD detection Auto RECE...

Страница 51: ...ormal display usually Normal display Time sec ADVANCED SURROUND STANDBY ON keys press and hold the keys for 2 seconds Counter Temp2 TR_DET P6_4 34 pin TRTHER_DET from AMP Assy Normal Operations Deduct 3 from the current VOL value Have TEMP flashing on the FL display for 3 sec POWER OFF STBY 1 1 The detection interval must be 1 sec or less 2 If PROTECT 2 is detected while TR_DET detection is prohib...

Страница 52: ... A using resistor leads with 47 100 ohms 2 W or higher for discharging Discharging time 5 10 seconds depending on the level of resistance 3 Check that the voltage between the 30V terminal is less than 1 V using a tester Be sure to connect the GND terminal of the tester to the chassis If the voltage is still 1 V or higher repeat Step 2 2 FL 30 V Capacitor Procedures 47 100 ohms 2 W or higher 47 100...

Страница 53: ... terminal of the main capacitor to the chassis back speaker chassis as shown below then connect the power cord Without grounding connection the protection circuit will be activated After repairing be sure to remove the ground wire before reassembling Note Main capacitor GND MAIN Assy SIDE B Speaker chassis Chassis back GND wire Be sure to disconnect the GND wire before reassembly ...

Страница 54: ...e five screws BBZ30P080FTB Note The photo without the explanatory note is VSX 821 K 2 Remove the two screws 1500001206010 IL 3 Remove the one screw BBZ30P080FTC 4 Unhook the two hooks 5 Arrange the front panel section as shown in the photo below 1 1 1 1 1 2 2 4 4 2 2 3 3 5 Bottom view VSX 821 K VSX 921 K VSX 521 K Front panel section ...

Страница 55: ... Caution Heatsink section in work becomes hot and be careful with it 1 Remove the three screws BBZ30P080FTC 2 Remove the six screws BBZ30P080FTC 3 Remove the one screw BBZ30P080FTC 4 Remove the WIRE GUIDE A Assy 5 Cut the binder GUDE R Assy GUDE L Assy 1 2 2 2 2 2 2 1 1 Bottom view WIRE GUIDE A Assy 4 3 5 ...

Страница 56: ... 6 Disconnect the one connector CP401 7 Connect the extension jig cable 8 Rotate the heatsink section in the direction of the arrow AMP Assy AMP Assy Heatsink 6 7 8 CP401 CP401 Extension jig cable VSX 821 K VSX 521 K GGD1739 VSX 921 K GGD1740 ...

Страница 57: ... 2 1 5 1 3 VSX 821 K VSX 921 K VSX 521 K 1 Rear view Chassis back 2 1 5 1 3 D MAIN Assy D MAIN Assy BRIDGE A Assy BRIDGE A Assy AUDIO Assy CPU Assy 3 4 5 4 CP1306 CP1306 CP1305 CP1305 6 Connect the two extension jig cables 7 Arrange the D MAIN Assy in the photo below 8 Insert any insulation sheet Note Confirm that a B to B connector of BRIDGE A Assy is connected to AUDIO Assy tightly Insulation sh...

Страница 58: ... 3 Remove the D MAIN Assy See procedure 3 1 Rear view Chassis back 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 1 3 VSX 821 K VSX 921 K VSX 521 K 1 1 1 Rear view Chassis back 2 1 5 1 3 4 2 MAIN Assy 1 Remove the four screws BBZ30P180FTC 2 Remove the two screws BBZ30P080FTC 3 Cut the four binders 4 Remove the BRIDGE A and B Assys 1 1 1 1 3 3 3 3 2 2 WIRE GUIDE A Assy BRIDGE A Assy MAIN Assy BRIDGE B Assy 4 ...

Страница 59: ...d Points Connection 5 5 5 5 6 7 MAIN Assy MAIN Assy 4 3 Regulator ICs and Recifier diode 1 Remove the support 2 Tighten then loosen the screw in each of the four holes for temporary joining that are located on the rear side of the main chassis This is for shaving the thread grooves to facilitate attachment in the next step Support MAIN Assy Main chassis Screwdriver 1 2 2 2 2 ...

Страница 60: ...ecuring the regulator ICs and rectifier diode to the holes for temporary joining tighten the screws while holding the regulator ICs and rectifier diode with your fingers so that the jumper wires will not become distorted MAIN Assy 3 3 3 3 4 4 Diagnosis 1 Remove the one screw and remove the earth lead jumper BBZ30P080FTC 2 Reassemble the earth lead jumper 3 Remove the WIRE GUIDE A Assy WIRE GUIDE A...

Страница 61: ...A and BRIDGE B Assys 5 Reassemble the D MAIN Assy with extension jig cables See procedure 3 6 Insert any insulation sheet between D MAIN Assy and MAIN Assy 7 Connect the extension jig FFC Insulation sheet CPU Assy 6 CN704B D MAIN Assy 5 4 7 Extension jig FFC GGD1738 ...

Страница 62: ...ustment mode will be stored in memory as soon as it is changed Before readjustment take note of the original values for reference in case you need to restore the original settings Use a stable AC power supply AMP Assy 8 3 IDLE CURRENT ADJUSTMENT All channel Other assemblies No adjustment required When any of the following assemblies is replaced AMP Assy 8 3 IDLE CURRENT ADJUSTMENT Only channel of ...

Страница 63: ...able RS 232C UPDATE jig GGF1642 Use FFC of GGF1642 10P to 10P FFC Firmware Connections Connect as shown in the figure below Insert the FFC with its contact surface facing the mark Procedures for MAIN microcomputer 1 Unplug the AC cord Connect the FFC cable MAIN microcomputer Start up application FlashSta on the PC 3 Press the OK button if the following messages are displayed Please push the cancel...

Страница 64: ... file 2 Enter ID Select VSX821 Main V0xx mot file to update the MCU 2 Enter ID Enter ff in all field Press the OK button Press the OK button Press the OK button Press the OK button Default Baud rate is 9600 Set Baud rate to 38400 Press the OK button Press the OK button Press the Exit button Please wait for until this window disappears 3 Press OK button to go to next step 2 Update the MCU E P R Era...

Страница 65: ...CU 2 Enter ID Enter ff in all field Press the OK button Press the OK button Push the reset button during 1sec on the JIG s Board Press the OK button Select the 9600 of the Board rate then press the OK button Default Baud rate is 9600 Set Baud rate to 38400 Press the OK button Press the OK button Press the Exit button Please wait for until this window disappears 3 Press OK button to go to next step...

Страница 66: ...and UPDATE NO is displayed as the On Screen display updating is completed 9 Disconnect the USB memory device then turn the unit off Procedures 3 How to update the DSP Microcomputer 1 Select an Input Function that allows reception via Optical input 1 or 2 then set the unit to STBY_Off mode 2 Press the SPEAKERS and STANDBY ON keys simultaneously to enter DSP UpDate mode DSP UP is displayed 3 When PL...

Страница 67: ... TP402 pin 3 VR402 TP403 pin 1 TP403 pin 3 VR403 TP404 pin 1 TP404 pin 3 VR404 TP405 pin 1 TP405 pin 3 VR405 FL FR C SL SR FL_VR401 SL_VR404 C_VR403 SR_VR405 FR_VR402 FL_TP401 SL_TP404 C_TP403 SR_TP405 FR_TP402 When any component parts which are within the red square on the following circuit diagram are replaced the idle current adjustment of that channel is required Idle current adjustment for an...

Страница 68: ...in 1 TP401 pin 3 VR401 TP405 pin 1 TP405 pin 3 VR405 FL FR C SL SR TP406 pin 1 TP406 pin 3 VR406 TP407 pin 1 TP407 pin 3 VR407 SBL SBR SIDE A SL_VR401 FL_VR404 SR_VR405 FR_VR402 SBL_VR406 SBR_VR407 C_VR403 SL_TP401 FL_TP404 C_TP403 SR_TP405 FR_TP402 SBL_TP406 SBR_TP407 When any component parts which are within the red square on the following circuit diagram are replaced the idle current adjustment...

Страница 69: ...69 VSX 821 K 5 6 7 8 5 6 7 8 A B C D E F ...

Страница 70: ...e safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to b mark on product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate Poly bag packing style Cord AC Tape clear VSX 821 K VSX 921 K only Dry cell batter...

Страница 71: ... table 2 5 Microphone APM7008 for Auto MCACC setup 6 Operating Instructions See Contrast table 2 En Frca Es 7 Box Gift See Contrast table 2 8 Cushion Snow 6230212914000 IL 9 PE Sheet 6327040059000 IL Mark No Symbol and Description VSX 821 K CUXCNSM VSX 921 K UXCNCB VSX 521 K CUXCNSM 1 Remote Control 8300762100010 IL 8300762100010 IL 8300761900010 IL 4 iPod Cable L308102013020 IL L308102013020 IL N...

Страница 72: ...72 VSX 821 K 1 2 3 4 A B C D E F 1 2 3 4 9 2 EXTERIOR SECTION for VSX 821 K VSX 921 K G M U F O N I S Nut Nut Cushion EVA Cushion EVA Cushion EVA ...

Страница 73: ...X 821 K 5 6 7 8 5 6 7 8 A B C D E F T A E Q L P R K H D J B C U S V CONTACT SIDE NON CONTACT SIDE Silicon grease GEM1057 Silicon adhesive GYA1011 Cushion EVA Heatsink Cushion EVA TUNER FM AM Main chassis 38 ...

Страница 74: ...2SB J5011560Y0000 IL 27 Semi TR GE NPN 2SC J502396400010 IL 28 Semi TR GE NPN 2SD J5032390Y0000 IL 29 Bracket 4010056906010 IL 30 Screw Tapping Assy B018230141H11 IL 31 Screw Tap Tite B020030081B10 IL 32 Sheet 1210210235000 IL 33 Cabinet 3007211846000 IL 34 Cover 4317215111000 IL 35 Knob 5080212431000 IL 36 Sheet 1210211482000 IL 37 Chassis Back See Contrast table 2 38 Foot 4007210391000 IL 39 Cus...

Страница 75: ...SY 7028070241030 IL 7028070251040 IL 9 VIDEO ASSY 7028070261060 IL 7028070261070 IL 10 CPU ASSY 7028070221030 IL 7028070221070 IL 13 STANDBY ASSY 7028070225030 IL 7028070225070 IL 19 AUDIO ASSY 7028070181030 IL 7028070181050 IL 21 D MAIN ASSY 7028070191030 IL 7028070191050 IL 23 Power Trans 8200960610850 IL 8200960610960 IL 25 Heatsink Assy 2128211908000 IL 2128211918000 IL 37 Chassis Back 3207213...

Страница 76: ...76 VSX 821 K 1 2 3 4 A B C D E F 1 2 3 4 9 3 EXTERIOR SECTION for VSX 521 K G F O N I S Nut Nut Cushion EVA Cushion EVA ...

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