Pioneer-VSX819HK-avr-sm电路图 维修手册.pdf

《Pioneer-VSX819HK-avr-sm电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Pioneer-VSX819HK-avr-sm电路图 维修手册.pdf（102页珍藏版）》请在收音机爱好者资料库上搜索。

1、ORDER NO. PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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,

2、 Singapore 159936 PIONEER CORPORATION2009 2009 Printed in Japan VSX-819H-K RRV3894 AUDIO/VIDEO MULTI-CHANNEL RECEIVER VSX-819H-K THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). ModelTypePower RequirementRemarks VSX-819H-KKUCXCNAC 120 V For details, refer to Important Check Points fo

3、r good servicing. T-ZZK MAR. RadioFans.CN 收音机爱 好者资料库 2VSX-819H-K 1234 A B C D E F 1234 SAFETY INFORMATION NOTICE (FOR CANADIAN MODEL ONLY) Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement parts must be of identical designation. REMARQUE (POUR MODLE CAN

4、ADIEN SEULEMENT) Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que les pices de remplacement doivent avoir la mme dsignation. This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualifie

5、d technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not

6、qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNING This product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm.

7、Health 5,956,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535 * When connected the equipment to IN1 (BD/DVD); * When connected the equipment to IN3 (DVR/VCR) Is the voltage 5 V when selecting IN2? Is the voltage 5 V when selecting IN3? JACK1003 (Pin 18)+5V_R3 Is the voltage 5 V? Is the voltage 5 V? I

8、s the voltage 5 V? Is the voltage 5 V? Check the JACK1003. If JACK 1003 is failure, replace JACK1003. Check the JACK1001. If JACK 1001 is failure, replace JACK1001. Check the JACK1002. If JACK 1002 is failure, replace JACK1002. Yes JACK1002 (Pin 18)+5V_R2 Yes No No JACK1001 (Pin 18) No +5V_R1 Yes *

9、When connected the equipment to IN1(BD/DVD); Check the JACK1001 and IC1001. If JACK1001 or IC1001 is failure, replace JACK1001 or IC1001. No Yes Is the voltage 5 V when selecting IN1? To Step 7 To Step 6 Step 5: IN/OUTPUT DiagnosisStep 6: Hot plug detect 29VSX-819H-K 5678 5678 A B C D E F IC1002 (Pi

10、ns 30,31,33,34,36,37,39,40)TMDS OUTPUT SDA (HDMI IN2 (TV/SAT) No IC1001 (Pin 40) Is there a same signal as IC1002-pin 49 when selecting IN2? Yes Check the IC1001 and JACK1002. If IC1001 or JACK1002 is failure, replace IC1001 or JACK1002. * When connected the equipment to IN2 (TV/SAT): SCL (HDMI IN2

11、(TV/SAT) No IC1001 (Pin 39) Is there a same signal as IC1002-pin 48 when selecting IN2? Yes Check the IC1001 and JACK1002. If IC1001 or JACK1002 is failure, replace IC1001 or JACK1002. Check the IC1001 or IC1002. If IC1001 or IC1002 is failure, replace IC1001 or IC1002. (0 to 5 V) (0 to 5 V) End No

12、Are there signals(approx. 0.5 Vp-p) in all lines? Yes Step 8: TMDS SDA (HDMI IN3 (DVR/VCR) No IC1001 (Pin 36) Is there a same signal as IC1002-pin 49 when selecting IN3? Yes Check the IC1001 and JACK1001. If IC1001 or JACK1001 is failure, replace IC1001 or JACK1001. * When connected the equipment to

13、 IN3 (DVR/VCR): SCL (HDMI IN3 (DVR/VCR) No IC1001 (Pin 35) Is there a same signal as IC1002-pin 48 when selecting IN3? Yes Check the IC1001 and JACK1001. If IC1001 or JACK1001 is failure, replace IC1001 or JACK1001. (0 to 5 V) (0 to 5 V) To Step 8 IC1002 (Pin 47)SDA (HDMI OUT) SDA (HDMI IN1(BD/DVD)

14、Does a signal output in constant period (0 to 5 V) ? Check the JACK1004 and IC1002. If JACK1004 or IC1002 is failure, replace JACK1004 or IC1002. No No No Yes IC1002 (Pin 46)SCL (HDMI OUT) Does a clock output in constant period (0 to 5 V) ? Check the JACK1004 and IC1002. If JACK1004 or IC1002 is fai

15、lure, replace JACK1004 or IC1002. Yes IC1001 (Pin 44) Is there a same signal as IC1002-pin 49 when selecting IN1? Yes Check the IC1001 and JACK1003. If IC1001 or JACK1003 is failure, replace IC1001 or JACK1003. * When connected the equipment to IN1(BD/DVD); SCL (HDMI IN1(BD/DVD) No IC1001 (Pin 43) I

16、s there a same signal as IC1002-pin 48 when selecting IN1? Yes Check the IC1001 and JACK1003. If IC1001 or JACK1003 is failure, replace IC1001 or JACK1003. SDA_SINK No No SCL_SINK IC1002 (Pin 49) Is there a same signal as IC1001-pin 24 (0 to 3.3V) ? Yes Check the IC1002 and IC1001. If IC1002 or IC10

17、01 is failure, replace IC1002 or IC1001. Check the IC1002 and IC1001. If IC1002 or IC1001 is failure, replace IC1002 or IC1001. IC1002 (Pin 48) Is there a same signal as IC1001-pin 23 (0 to 3.3V) ? Yes (0 to 5 V) (0 to 5 V) Step 7: SDA /SCL 30VSX-819H-K 1234 A B C D E F 1234 key sequence change Erro

18、r 1 Communication Error When the communication is not possible normally. Procedure Disconnect a connector once, then connect a connector surely again after the main menu of the iPod was displayed. Nevertheless, reset the iPod when the iPod does not operate normally. Error 2 Generation Error (in the

19、Type 1 operation only) When the non-support model for the iPod Mode Type 1 was connected. When the non-support function will be executed. When a version of the iPod software is old. Procedure Change the iPod Mode to Type2. Update the iPod software to the newest version. Error 3 Loading Error When th

20、ere is no response from the iPod. Procedure The power is shut off once, then the unit back on. Reset the iPod. Update the iPod software to the newest version. Error 4 OverHeat Error No Track No Music Track Cautuion When a track does not exist in the selected category Procedure Select another categor

21、y. iPod Error Message When the abnormality occurred, the error messages are indicated. OSD display FL display 3 USB iPod TROUBLESHOOTING i P o d I / UE R R 1I / UE R R 1 i P o d / U S BE r r o r 1 i P o d I / UE R R 2I / UE R R 2 i P o d / U S BE r r o r 2 i P o d I / UE R R 3I / UE R R 3 i P o d /

22、U S BE r r o r 3 i P o d I / UE R R 4I / UE R R 4 i P o d / U S BE r r o r 4 i P o d N OT R A C K N OT R A C K N o T r a c k 31VSX-819H-K 5678 5678 A B C D E F iPod Troubleshooting Step 0: Preliminary confirmation Step 1: Power supply Confirm the following items before checking. To STEP 1 To STEP 2

23、Do screws of COAX jack securely tighten ? Tighten screws securely. Check the patterns in the path. No Yes To STEP 1 YesYes Is there any loose connection CP105 of MAIN Assy? Check the MAIN Assy. No CN807 (pins 1, 3) REG2 (pin 3) Is the voltage 5 V ? No Yes Is REG1 abnormally hot? NoNo Yes Is REG2 abn

24、ormally hot? NoNo 5 V input (to chassis) 3.3 V output(to chassis) 5 V input Replace REG2. The output and GND may be short-circuited. Check the path between them. Yes Yes Is the voltage of 5 V input? No REG2 (pin 2) Yes Is the voltage 3.3 V output? Check the patterns in the path. REG1 (pin 3) Is the

25、voltage 5 V ? No Yes 1.8 V outputREG1 (pin 2) Is the voltage 1.8 V output? Replace REG1. The output and GND may be short-circuited. Check the path between them. Replace IC805. Yes Yes Yes Is pin 4 (EN) of IC805 Low? Is the voltage 5 V input? No Yes Is pin 3 (OC) of IC805 high? No No Check the parts

26、and patterns in the path (CN801). IC805 (pin 1)USB Bus power Is the voltage 5 V output? Check the parts and patterns in the path of CN801. No IC805 (pin 5)5 V input 32VSX-819H-K 1234 A B C D E F 1234 Step 2: Operation of USB Media control IC Is there a 12 MHz output? USB_RX and USB_TX should be high

27、 during operation. Check the pattern in the path. FRONT Assy and MAIN Assy Check the parts and patterns in the path. Replace XTAL1, etc. Yes No Yes No IC801 (pins 54,55) CN802 USB_RX, TX (Pins 4, 5) IC801 (pin 44) - IC803 (pin 38) XIN/XOUT Do USB_RX and USB_TX communication with main micom? Operatio

28、n of IC801 is OK. To STEP 3 Operation of IC801 is OK. To STEP 3 DATA and ADDRESS lines between SDRAM (IC803), FLASH ROM (IC802) and IC801 are may not be connected. D+ and D- should have waveform during normal condition. Check the pattern in the path. IC801, etc. Are there the waveforms like figure?

29、After turning the power on and several seconds later, does SDCLK change 12 MHz to 80 MHz? Yes Yes No No CN801 (pins 2,3)D+/D- Initial communication SDCLK Fig. D+ X: 1 S/div, Y: 2 V/divX: 1 S/div, Y: 2 V/div Fig. D- Yes Is CN802 pins 1, 2, 3 (RESET, RDY, PDN) high? Yes Check CN705, CN704 of FRONT and

30、 MAIN Assy. NoNoCheck the path to MAIN Assy. 33VSX-819H-K 5678 5678 A B C D E F Step 3: Operation of iPod (Authentication process) Do SCL and SDA communicate? Yes NoNo IC804 (pins 12, 13) SCL, SDA (I2C between IC801 and IC804) Does RESET_AUTH (pin 4) reset it? High after the reset Replace IC804. Whe

31、n 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). Check the path between IC801 (pin 120). No Yes Step 4 Audio Out check Is there a S/PDIF signal ?

32、 Replace IC801. Yes No CN805 (pin 1)S/PDIF output Check the path between IC801 (pin 105) Check the parts and pattern CN805 and IC801. Yes No Operation of IC804 is OK. To STEP 4 Refer to the DSP Assy troubleshooting. 34VSX-819H-K 1234 A B C D E F 1234 5.2 DETECTION CIRCUIT 1 DC Protection Circuit Dia

33、gram P.C.B SUB ASSY (MAIN)A P.C.B SUB ASSY (SPEAKER) M P.C.B SUB ASSY (P/T)BP.C.B SUB ASSY (AMP)J 35VSX-819H-K 5678 5678 A B C D E F 2 Overload Protection Circuit Diagram P.C.B SUB ASSY (MAIN)AP.C.B SUB ASSY (P/T)BP.C.B SUB ASSY (AMP)J 36VSX-819H-K 1234 A B C D E F 1234 3 Power DC Protection Circuit

34、 Diagram P.C.B SUB ASSY (MAIN)A P.C.B SUB ASSY (P/T)B 37VSX-819H-K 5678 5678 A B C D E F 6. SERVICE MODE 6.1 SERVICE MODE 1 Display mode for numbers of protection detections Purpose Basic operations FL DisplayDescription of IndicationsKey Operation (STANDBY state) PRESET + STANDBY/ON (Initial displa

35、y) ENTER key ENTER key ENTER key (Initial display) 5 (- normal) *1 5 (- normal) *1 5 (- normal) *1 Number of DC error detections Number of OVERLOAD error detections Number of abnormal-temperature error detections Time (sec.) The numbers of detections for various protection processes are displayed. *

36、1 “5 (- normal)” denotes that the display will return to the normal indication when no key operation is performed for 5 seconds. *2 Variable range: 0-255 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

37、will return to the normal indication when no key operation is performed for 5 seconds. Counter Counter Counter *2 *2 *2 38VSX-819H-K 1234 A B C D E F 1234 2 Reset mode for numbers of protection detections Purpose Basic operations FL DisplayDescription of IndicationsKey Operation (STANDBY state) STAN

38、DARD SURROUND + STANDBY/ON (press and hold the keys for 10 seconds.) (Counter Clear end) ENTER key (Normal display) 5 (- normal) *1 5 (- normal) *1 usually *2 Time (sec.) For clearing all the counts of protection detections. (This mode resets the counts of protection detections.) 1. When the procedu

39、res for Reset mode for numbers 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. *

40、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 the BD/DVD function is selected How to enter/exit During Standby mode, simultaneously press and hold the STANDARD SURROUND and STANDBY/ON keys for 10 se

41、conds to enter this mode. The display will return to the normal indication when no key operation is performed for 5 seconds. Detailed explanations 39VSX-819H-K 5678 5678 A B C D E F 3 The units operation when a error is detected Purpose Basic operations FL DisplayDescription of IndicationsKey Operat

42、ion 3.1 DC (AMP is abnormality) error detection (Normal display) (DC detection) (Auto) (RECEIVER POWER OFF) usually *1, *2 Normal display Time (sec.) The units 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,

43、 because no key input will be accepted after a DC error detection. *1 The time required for the unit to be shut off after an error is detected depends on the circuit configuration. *2 If the unit is automatically shut off after a DC error is detected, no key input will be accepted afterward. (The po

44、wer will not be turned ON.) To turn it on again, see “3.4 How to cancel the status after detection of a DC error” below. A key input will not be inhibited after an OVERLOAD/TEMP error is detected. (The unit can be turned ON.) Simultaneously holding the ADVANCD SURROUND and STANDBY/ON keys on the fro

45、nt panel pressed for 2 seconds will cancel Key Input Inhibition mode after a DC error detection and turn the unit ON. Detailed explanations FL DisplayDescription of IndicationsKey Operation 3.2 OVERLOAD (overcurrent) error detection (Normal display) (OVERLOAD detection) (Auto) (RECEIVER POWER OFF) u

46、sually *1 Normal display Time (sec.) FL DisplayDescription of IndicationsKey Operation 3.3 TEMP (AMP overheat) error detection (Normal display) (TEMP detection) (Auto) (RECEIVER POWER OFF) usually *1 Normal display Time (sec.) FL DisplayDescription of IndicationsKey Operation 3.4 How to cancel the s

47、tatus after detection of the DC error (STANDBY state) (Normal display) usually Normal display Time (sec.) ADVANCED SURROUND + STANDBY/ON (press and hold the keys for 2 seconds.) 40VSX-819H-K 1234 A B C D E F 1234 7. DISASSEMBLY 7.1 DISASSEMBLY 1. Discharging (1) Unplug the power cord. (2) Disconnect

48、 the 8P CONNECTOR wire that connects the CN202 of the P.C.B SUB Assy (AMP) and CP107 of the P.C.B SUB Assy (MAIN) from the CP107. (3) Connect CP107 B+ (Pins 5 and 6) and B- (Pins 7 and 8, respectively) terminals, using resistor leads with 47-100 ohms (2 W or higher), for discharging. *Discharging ti

49、me: 30-60 seconds, depending on the level of resistance. (4) Check that the voltage between the B+ and GND terminals, as well as that between the B- and GND terminals, 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 (3). 1 P.C.B SUB ASSY (MAIN) Capacitor (C179, C180) Procedures (1) Unplug the power cord. (2) Connect CP704 -30 V (Pins 1 and 2) of the P.C.B SUB Assy (FRONT) and GND (Pins 3 and 4, respectively), usi