Kenwood-VR306-avr-sm 电路图 维修手册.pdf

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1、AUDIO VIDEO SURROUND RECEIVER KRF-V5020/V5020E/V5020W/V5020(S) KRF-V6020/V6020E/V6020W/ KRF-V7020/V7020E/V7020W/ VR-305/306/355 SERVICE MANUAL 1998-12/B51-5497-00 (K/K) 3444 A SPEAKERS BBASS BOOST VIDEO 2/ MONITOR SOURCE DIRECTLISTEN MODESOUNDSETUP MULTI CONTROLINPUT SELECTOR VOLUME CONTROL DOWNUP S

2、TANDBY AV SURROUND RECEIVER ON / STANDBY PHONES - ON ? OFF POWER PTYTA/NEWSDISPLAYBANDAUTOMEMORY REC OUT PHONOCDMD / TAPEVIDEO 2/MONITOR PLAY INREC OUTPLAY IN L R VIDEO 1 VIDEO 2FRONT DVD 6CH. INPUT SURROUND CENTER SUB WOOFER PLAY IN VIDEO 1 VIDEO 2 VIDEO OUTVIDEO IN MONITOR AM ANTENNA FM 75 W GND C

3、ENTER SPEAKER FRONT SPEAKERS CLR + - SUB WOOFERSURROUND PRE OUT CENTER L R SURROUND SPEAKERS FRONT SPEAKERS AC OUTLET LR +- +- LR B () SYSTEM CONTROL SL16 (XS8) Front glass (B10-3425-02) AC power cord* (E30-) Phono jack* (E63-) Phono jack* (E63-) Phono jack(3Px2)* (E63-) Phono jack* (E63-) Phono jac

4、k(4Px2)* (E63-) Power cord bushing (J42-0083-05) AC outlet* (E03-) Phone jack* (E11-) Knob* (K27-) Knob* (K29-) Knob* (K29-) Foot* (J02-) Phono jack (E63-0114-05) Lock terminal board* (E70-) Lock terminal board* (E70-) Lock terminal board* (E70-) Metallic cabinet* (A01-) KENWOOD badge (B43-0302-04)

5、Miniature phone jack* (2P) (E11-) Slide switch (S62-0034-04) Knob* (K29-) Knob* (K29-) Knob* (K29-) Illustration is KRF-V5020. * Refer to parts list on page 23. On the Block diagram, backup data, Initial state and system microprocessor, refer to the KRF-V5010 service manual (B51-5425-00) RadioFans.C

6、N 收音机爱 好者资料库 Remote Controller ModelDestinationsParts numberModel nameBattery Cover KRF-V5020I5, M5, X5, Y5A70-1264-05RC-R0711A09-1123-08 KRF-V5020E1A70-1265-05RC-R0710A09-1123-08 KRF-V5020T5A70-1265-05RC-R0710A09-1123-08 KRF-V5020(S)E2A70-1265-05RC-R0710A09-1123-08 KRF-V5020EE3A70-1265-05RC-R0710A0

7、9-1123-08 KRF-V5020WQ5A70-1265-05RC-R0710A09-1123-08 KRF-V6020C6, I6, M6, X6A70-1264-05RC-R0711A09-1123-08 KRF-V6020E4A70-1275-05RC-R0508A09-0366-08 KRF-V6020EE5A70-1265-05RC-R0710A09-1123-08 KRF-V6020WQ6A70-1265-05RC-R0710A09-1123-08 KRF-V7020E7, T7A70-1275-05RC-R0508A09-0366-08 KRF-V7020EE8A70-127

8、5-05RC-R0508A09-0366-08 KRF-V7020WQ7A70-1275-05RC-R0508A09-0366-08 VR-305K2, P2A70-1264-05RC-R0711A09-1123-08 VR-306K1, P1A70-1264-05RC-R0711A09-1123-08 VR-355K3, P3A70-1271-05RC-R0608A09-0366-08 FM (T90-0836-05) indoor antenna AC plug adaptor (1) (E03-0115-05) (1) Loop antenna stand (1) AM loop ant

9、enna (1) (T90-0833-05) (J19-3645-05) Batteries (R03/AAA) (4) Remote control unit (1) RC-R0508/R0608 Remote control unit (1) RC-R0710/R0711 Batteries (R06/AA) (2) AUDIO SHIFTMACRO TVVIDEO GUIDEREC MUTE VOLUMETUNING/SKIP THEMEFAVMENU FUNCTION SHIFT SETUP INFOALT AUDTV/SAT/VID REPEATRANDOM+100 DISPLAY

10、ENT+10 LISTEN MODE SOUNDSUBWOOFER 231 564 897 0 REMOTE CONTROL UNIT 8 7 46 BAND P. CALLP. CALL POWER *Use to adapt the plug on the power cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.) KRF-V5020/V6020/V7020/VR-305/306/355 2 CONTENTS / ACCESSORIES CONTENTS /

11、 ACCESSORIES .2 DISASSEMBLY FOR REPAIR.3 ADJUSTMENT. 4 WIRING DIAGRAM.5 PC BOARD .6 SCHEMATIC DIAGRAM .9 EXPLODED VIEW .22 PARTS LIST.23 SPECIFICATIONS .35 Contents Accessories Resetting the Microcomputer If the microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) i

12、f the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the micro- computer and return the unit to its normal operating condition. Unplug the power cord from the wall outlet, then plug it back in while holdi

13、ng down the POWER key. Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory. With the power cord plugged in, turn the POWER key OFF. Then, while holding down the ON/STANDBY key, press POWER. For U.S.A.

14、 and Canada For other countries Model name vs remote controller RadioFans.CN 收音机爱 好者资料库 KRF-V5020/V6020/V7020/VR-305/306/355 3 DISASSEMBLY FOR REPAIR 1 2 2 4 4 4 3 x2 x2 x2 x2 1. Remove the 8 screws (1,2,3), remove the rear panel. 2. Connect the GND of the rear panel and the chassis, the GND of the

15、mounting hardware and the chassis with 2 alligators clip (4) RadioFans.CN 收音机爱 好者资料库 KRF-V5020/V6020/V7020/VR-305/306/355 4 ADJUSTMENT No.ITEMINPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FORFIG. 1 DISTORTION (STEREO) (C) 98.0MHz 1kHz, 68.25kHz dev. Selector : L or R Pilot

16、: 6.75kHz dev. 70dBf (ANT. input) (B)98.0MHz IFT (TUNER UNIT: A1) Minimum distortion (L or R) 2TUNING LEVEL (A) 98.0MHz MONO 1kHz, 75kHz dev. 25dBf (ANT. input) (B) MONO 98.0MHz VR1 (TUNER UNIT) Adjust VR1 and stop at the point where ED51 (TUNED) goes on. 1DISCRIMINATOR (A) 98.0MHz 1kHz, 40kHz dev.

17、Connect a DC voltmeter between CN2 1 and CN2 2 (TUNER UNIT) MONO 98.0MHz L4 (TUNER UNIT) 0V 3 DISTORTION (STEREO) 98.0MHz (C) 1kHz, 40kHz dev. Selector : L or R Pilot : 6kHz dev. 70dBf (ANT. input) (B) AUTO 98.0MHz IFT (TUNER UNIT : A1) Minimum distortion (L or R) 2 DISTORTION (MONO) (A) 98.0MHz 1kH

18、z, 40kHz dev. MONO 70dBf (ANT. input) (B) MONO 98.0MHz L5 (TUNER UNIT) Minimum distortion 4TUNING LEVEL (A) 98.0MHz MONO 1kHz, 40kHz dev. 29dBf (ANT. input) (B) MONO 98.0MHz VR1 (TUNER UNIT) Adjust VR1 and stop at the point where ED51 (TUNED) goes on. FM SECTION : EXCEPT E,T,Q type SELECTOR : FM FM

19、SECTION : E,T,Q type only SELECTOR : FM Adjust NO.1 and NO.2 repeat. 70dBf (ANT. input) REC OUT PHONOCDMD / TAPEVIDEO 2/MONITOR PLAY INREC OUTPLAY IN L R VIDEO 1 VIDEO 2FRONT DVD 6CH. INPUT SURROUND CENTER SUB WOOFER PLAY IN VIDEO 1 VIDEO 2 VIDEO OUTVIDEO IN MONITOR AM ANTENNA FM 75 W GND CENTER SPE

20、AKER FRONT SPEAKERS CLR + - SUB WOOFERSURROUND PRE OUT CENTER L R SURROUND SPEAKERS FRONT SPEAKERS AC OUTLET LR +- +- LR B () SYSTEM CONTROL SL16 (XS8) (A) (B) (C) FM SG FM SG TV SG AG MPX HTB TV MPX AG AG AC voltmeter Oscilloscope Distortion meter Dummy antenna (D) SYSTEM CONNECTIONS 15 1 15 1 2 1

21、XS8 SL16 SBUSY SDATA 27 27 1 1 (K,P) (Y,M,I) (Q,C,V) (X) (E,T) : AC120V 60Hz : AC110-120V/220-240V 50/60Hz : AC220V 50Hz : AC240V 50Hz : AC230V 50Hz 2 1 F2 F1 F3 120V 110- 240V 220- 5 1 1 1 4 4 31 13 13 1 1 3 1 1 3 1 2 1 55 1 2 1 1 1 3 3 15 15 14 41 CHASSIS 31 66 11 1 1 2 8 CN1CN10 GND J1 AM FM75 S1

22、 POWER SW WH1 SRch4 + - 3SLch - + 2Rch + - 1Lch - + J10 FRONT SP. A SP. SURROUND S4 SYSTEM CONTROL SW J3 SYSTEM CONTROL Lch 1 Rch 2 PHONO J1 CN8CN51 WH51 CN12 CN1 J1 AC OUTLET USED (MY,I) TYPE (E,E2,Q) TYPE USED T1 S2S3 CN11 DESTINATION U.K. EUROPE COUNTRY T7 E7 2-71 UNIT No. ABB. UNIT No. KRF-V7020

23、 (X05-4982-71) COUNTRY RUSSIAQ5 ABB. 3-81 DESTINATION KRF-V5020W (X05-4983-81) EUROPEE32-71 ABB.COUNTRY DESTINATION KRF-V5020E (X05-4982-71) COUNTRY UNIT No. ABB. GENERAL MARKET EUROPE U.K. AUSTRALIA T5 E1 2-71 M5 X5 0-22 0-71 CANADAP3 KRF-V5020 (X05-498X-XX) DESTINATION UNIT No. DESTINATION VR-355

24、(X05-5050-10) COUNTRY U.S.A. UNIT No. ABB. K3 0-10 WH52 CN9CN53 WH1CN13 CN2 CN4 CN7 CN3 J1 Lch Rch VIDEO VIDEO1 (FRONT) CN1 CN11CN12 CN2 S1 CD Rch 4 Lch 3 Rch 4 PLAY IN Lch 3 REC OUT Rch 2 Lch 1 J7 VIDEO2 MONITOR TAPE PLAY IN Rch 4 Lch 3 MD/ REC OUT Rch 2 Lch 1 J2 Rch 6 Lch 5 VIDEO1 PLAY IN Rch 3 DV

25、D 6CH. INPUT Lch 2 SWch 1 J3 Cch 1 SRch 3 SLch 2 J4 VIDEO2 INPUT VIDEO1 J5 6ch 1 VIDEO IN OUT OUT VIDEO VIDEO2 J6 MONITOR 1 REC 2 PLAY PLAY 3 2 + - Cch3 SP. A FRONT + J8 - + Rch2 - Lch1 Cch FLch FRch J4 CN14 WH2 HEADPHONE SRch SWch SLch Cch REC OUTJ9 1 2 3 4 PXY5 MALAYSIAI5 KRF-V5020(S) (X05-4982-71

26、) EUROPE COUNTRY DESTINATION UNIT No. E2 ABB. 2-71 I6MALAYSIA 0-71 2-71 AUSTRALIA EUROPEE4 X6 0-22 UNIT No. KRF-V6020 (X05-498X-XX) GENERAL MARKET CHINA COUNTRY DESTINATION M6 C6 ABB. KRF-V6020E (X05-4982-71) EUROPE COUNTRY DESTINATION UNIT No. E5 ABB. 2-71 DESTINATION RUSSIA COUNTRY UNIT No. Q6 ABB

27、. 3-81 KRF-V6020W (X05-4983-81) KRF-V7020E (X05-4982-71) KRF-V7020W (X05-4983-81) DESTINATION COUNTRY RUSSIA EUROPE COUNTRY DESTINATION UNIT No. UNIT No. Q7 ABB. 3-81 E8 ABB. 2-71 2-70 UNIT No. 2-70 2-70 UNIT No. UNIT No. 3-81 DESTINATION COUNTRY RUSSIAQ5 ABB. KRF-V5020(S) (X09-6242-70) KRF-V5020E (

28、X09-6242-70) KRF-V5020W (X09-6243-81) EUROPE DESTINATION COUNTRY E3 ABB. COUNTRY DESTINATION EUROPE U.K. EUROPE ABB. E2 T5 E1 DESTINATION COUNTRY RUSSIA UNIT No. Q7 ABB. 3-81 KRF-V7020 (X09-6262-70) KRF-V7020W (X09-6263-81) KRF-V7020E (X09-6262-70) EUROPE DESTINATION COUNTRY DESTINATION COUNTRY EURO

29、PE U.K. RUSSIA UNIT No. E82-70 ABB. UNIT No. T7 E7 ABB. 2-70 Q63-82 VR-355 (X09-6300-11) 0-11 UNIT No. UNIT No. 0-21 GENERAL MARKET KRF-V5020 (X09-624X-XX) MALAYSIA PX AUSTRALIA DESTINATION COUNTRY I5 X5 M5 Y5 ABB. CANADA U.S.A. COUNTRY DESTINATION K3 P3 ABB. UNIT No. KRF-V6020W (X09-6243-82) KRF-V6

30、020E (X09-6242-71) DESTINATION COUNTRY COUNTRY DESTINATION EUROPE GENERAL MARKET EUROPE AUSTRALIA CHINA COUNTRY MALAYSIA UNIT No. UNIT No. ABB. ABB. E52-71 E4 X6 2-71 C6 I6 ABB. M6 0-22 KRF-V6020 (X09-624X-XX) DESTINATION UNIT No. 0-10 VR-306 (X09-6300-10) DESTINATION COUNTRY U.S.A. CANADA K1 P1 ABB

31、. 0-51 UNIT No. 2-70 2-70 UNIT No. UNIT No. 2-70 DESTINATION COUNTRY RUSSIAQ5 ABB. KRF-V5020E (X00-2902-70) KRF-V5020(S) (X00-2902-70) KRF-V5020W (X00-2902-70) EUROPE DESTINATION COUNTRY E2 ABB. COUNTRY DESTINATION EUROPE U.K. EUROPE ABB. E3 T5 E1 KRF-V7020 (X00-290X-XX) DESTINATION EUROPE COUNTRY U

32、.K. RUSSIA UNIT No. E7 T7 ABB. 0-52 Q62-71 VR-355 (X00-2880-10) 0-10 UNIT No. UNIT No. 2-91 0-71 GENERAL MARKET KRF-V5020 (X00-290X-XX) MALAYSIA PX AUSTRALIA DESTINATION COUNTRY I5 X5 M5 Y5 ABB. CANADA U.S.A. COUNTRY DESTINATION K3 P3 ABB. UNIT No. KRF-V6020W (X00-2902-71) KRF-V6020E (X00-2902-71).V

33、6 DESTINATION COUNTRY COUNTRY DESTINATION EUROPE GENERAL MARKET EUROPE AUSTRALIA CHINA COUNTRY MALAYSIA UNIT No. UNIT No. ABB. ABB. E52-71 E4 X6 2-71 3-02C6 I6 ABB. M6 0-22 KRF-V6020 (X00-290X-XX) DESTINATION 0-21 2-70 0-72 2-71 ANT J10 SRch4 + SURROUND 3 - + - SP. SLch SWch J11 WH1 WH2 CN2 CN1 VR-3

34、05 (X09-6300-11) CANADA U.S.A. COUNTRY DESTINATION K2 P2 0-11 UNIT No. ABB. U.S.A. COUNTRY VR-306 (X05-5050-10) DESTINATION CANADA K1 P1 ABB. 0-10 UNIT No. CANADA DESTINATION VR-305 (X05-5050-10) COUNTRY U.S.A. P2 ABB. K2 UNIT No. 0-10 VR-306 (X00-2880-10) UNIT No. DESTINATION COUNTRY U.S.A. CANADA

35、K1 P1 ABB. 0-10 VR-305 (X00-2880-10) UNIT No. CANADA U.S.A. COUNTRY DESTINATION P2 ABB. K2 0-10 KRF-V7020E (X00-2902-71) KRF-V7020W (X00-2902-71) UNIT No. UNIT No. Q7 COUNTRY DESTINATION RUSSIA EUROPE DESTINATION COUNTRY ABB. 2-71 E8 ABB. 2-71 J2 TUNER UNIT (X05-5050-10) (X00- ) (B/6) USED EXCEPT (K

36、,P) TYPE (X09-624X-XX) (A/3) (X09- ) (B/3) DISPLAY UNIT AUDIO UNIT (X09- ) (C/3)(X00- ) (D/6) (X00- ) (C/6) USED EXCEPT (M,Y,I) TYPE USED (M,Y,I) TYPE VR-305/306/355 (X00- ) (E/6) (X00-290X-XX) (A/6) (X00-2890-10) (A/6).V6 (X05-498X-XX) (X05-5062-11).V6 (X25-6222-70) SUB-CIRCUIT UNIT (X00- ) (F/6) K

37、RF-V7020/V7020E/V7020W (X09-630X-XX) (A/3) (X09-6352-10) (A/3).V6 (K,P,M,I,X,Y,C) TYPE USED (E,E2,T,Q) TYPE USED KRF-V6020/E/W USED KRF-V7020/E/W KRF-V5020/(S)/E/W VR-305/306/355 USED KRF-V7020/E/W KRF-V6020/E/W USED USED USED EXCEPT KRF-V5020/E/W (X00-2880-10) (A/6) POWER SUPPLY UNIT POWER TRANSFOR

38、MER KRF-V5020/(S)/E/W KRF-V6020/E/W KRF-V7020/E/W KRF-V5020/V6020/V7020/VR-305/306/355 5 WIRING DIAGRAM ABDCE 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors. PC BOARD(Component side view) R70 R40 C53 SL16XS8 120V240V120V 240V ALL SW C13 C14 C21C22 C11 C10 C25

39、C8 C24 C23 C5 C6 C7 R2 R4 R3 R1 SDATA SGND BUSY GND - H.P. X00 D/6 X00 E/6 X00 B/6 X00 C/6 F2 F1 F3 X00 F/6 X00-2902-70/X00-2880-10/X00-2890-10 (A/6) C4 R5 W5 C9 K1 C26 T1 W3 W2 R6 W4 W1 BE 15 16 1 2 21 1 4 13 EB 13 CONTROL SYSTEM FRONT SPEAKERS SPEAKER CENTER LRC PHONES POWER 2 1 15 1 2 AC110- 120V

40、240V AC220-AC110- 120V240V AC220- AC OUTLET D4 D3 D1 D2 Q2 CN7 CN6CN5 CN8 CN10CN9 Q1 D7 D9 D6 P1 +5V A.V.R E1 CN12 CN11 WH2 J3 CN13 S4 S1 WH1 D8 CN14 CN2 CN1 CN3 CN4 J1 D5 WH2 D11 D10 J4 P.T. F. OFF AC J2 P2 S2 S3 OFF ON W5 W6 W7 W4 W19 W22 W21 W20 W14 W17 W10 W1 W3 (W) (G) AM RF VT PLL FM IF AM STE

41、REO FM DET MPX Vref TUNED FM MPX.FIL. T.METER C17 W24 C28C38 C29C37 W9 W16 VR1 CF1 CF2 C10 W13 W23 CF3 L9 L2 R50 R44 R71 C49 C46 C72 C32 C14 C15 C67 C55 W25 L3 C62 C66 C65 W8 W11 W15 L1 C73 C7 R81 C27 C16 C19 C21 C23 L6L7 C48 R41 L4 R77 R61 C59 R2 X2 X1 111 22 12 1 15 1 1 8 16 30 2 151 E1 CN1 D6 A1

42、IC1 D4 D3 D9 D5 IC2 CN2 J1 S1 CH. SPACE DE-EMPHASIS ANTENNA X05-4980-10/X05-5050-10/X05-5062-11 C69 D16 R90 W86 R80 R82 R12 C77 R60 R59 R58 W52 C86 E B EB D7 D13 Q14 Q15 C88 R89 C87 R43 C6 C78 C75 C11 C39 C42 C52 C47 C50 C51 C43 C44 R55 R56 R53 R54 R57 R51 R52 R49 R42 R11 R1 R7 C76R83 R88 D1 C84 C35

43、 R32/W60 C8 C36 W85 C5 C1 C2 C3 C82 C12 C25 C26 C24 C41 C40 C30 C22 C18 C20 R14 R15 R16 R10 R4 R5 R8 R9 R6 R35 R23 R28 R25 R27 C31 C79 W51 W80 R85 C85 R86R87 E B EB Q2 Q1 D11 C92 C93 C91 C89 C83 R29 R48 R34R33 R84 R79 R47 W84 R45 R46 R31 R36 W62 R64 R65 R30 C80 C34 C33 R37 E B EB E B Q3 Q4 Q7 C68 W2

44、 L5 C54 R75 C90 C58 C56 C57 C61 C60 R66 R63 R62 R69 R67 R68 R18 R19 R20 C63 W59 W81 C81 C45 W56 R17 R39 R38 R76 W83 R74 R78 W61 W55 R72C71 R73 C70 W82 C64 W54 169 18 E B EB E B E B EB EB Q11 Q10 IC3 Q9 Q8 Q12 Q6 D8 6 LLSRSSW W401 W402 W403 W404 W405 W510 C177 W196 W212 R134 W509 C197 W165 W164 R274

45、W511 W507 W508 C412 C155 W72 C230 C231 C226 C206 C158 R418 C411 W187 W157 C309 W202 W190 R266 W109 W82 W51 W48 W175 R267 W76 W60 R265 R269 W88 W49 W206 W35 W208 W42 W40 W78 W191 W186W174 W177 W188 W200 W162 W163 W195 W193 W184 W180 W311 W156 W119 W182 W181 W139 W108 W68 W63 W214 W223 R270 W166 W178

46、W149 W173 W101 W27 W50 W130 W136 W134 W154 W147 W197 W215 W104 W141 W150 W140 W146 W122 W179 W138 W128 W102 W132 W142 W94 W155 W129 W145 W153 W135 W80 W99 W126 W30 W218 W133 W89 W97 W237 W144 W158 W160 W73 W66 W65 W137 W169 W217 W114 W106 W81 W67 W53 W71 W52 W74 W86 W93 W95 W236 W92 W124 W123 W39 W1

47、94 W115 W151 W167 W148 W125 W183 W219 W240 W105 W226 W235 W229 W233 W234 C281 W58 C361 W57 R121 R120 R352 W87 W110 R608 W176 R607 W79 W700 W239 W238 W230 W228 W227 C16 C15 C55 C56 W54 C315 C314 L3 C250 R220 R216 C232 R239 W75 R215 C248 W100 W45 C247 W3 R240 C119 C120 W111 R211 C227 R135 K3K4K1K2 C30

48、4 C305 C307 C306 W85 R325 W96 R54 R323 R228 W77 C249 R257 C8 R64 R65 W121 W192 W112 W118 R139 R141 C3 C7 C4 R63 C18 C14 C13 C17 C11 C12 R12 R11 R8 R7 R10 R9 R16 W185 W62 W159 R15 W170 C46 C45 C52 C51 R55 W131 W103 W113 W91 L1 L2 W69 C308 R140 R142 R212 C62 C63 C61 C99 C98 C93C94 C116 C114 C117 C111 C115 C118 C100 C106 C101 C113 C112 C107 C109 C108 L4 R351 C182C181 L5 W117 C40