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AV SURROUND RECEIVER

R-V251

SERVICE MANUAL

70%

Caution : No connection of ground line if disassemble the unit.

Please connect the ground line on rear panel, PCBs, Chassis and some
others.

* Refer to parts list on page 25

ON/STANDBY

PHONES

INPUT

TAPE 2

(MONITOR)

TA/NEWS

/INFO.

DISP.

AUTO A.MEMO BAND

PTY

CLOCK MODE

TIMER

SET

TUNING

MODE

MULTI CONTROL

LEVEL

VOLUME CONTROL

DOWN

AV SURROUND RECEIVER R-V251

R D S

EON

SYSTEM

CONTROL

FRONT SURROUND CENTER

SUB WOOFER

PRE OUT

REAR

FRONT

CENTER

SPEAKERS

( 6-16

Ω

)

UNSWITCHED TOTAL

150W MAX.

AC 230V 50Hz

ANTENNA

FM 75

Ω

GND

TAPE 2

(MONITOR)

TAPE1 / MD

AUX

REC

VCR

PLAY

REC

PLAY

REC

PLAY

AUDIO

VIDEO

VCR

REC OUT

MONITOR

OUT

DVD

VCR

PLAY IN

DVD 6CH./2CH.INPUT

Panel dressing
(A21-3777-03)

Window
(B10-2367-02)

Panel *
(A60-)

Knob
(k29-6727-04)

Button(R) *
(K29-)

Button(L)
(K29-6816-02)

Phono jack(4P)
(E63-0186-08)

Phono jack(6P)x

(E63-0187-08)

Lock terminal board
(E70-0120-08)

Phono jack
(E63-1137-08)

Phono jack(6P)
(E63-1136-08)

AC outlet *
(E03-)

Lock terminal board
(E70-0119-08)

Power cord bushing
(J42-0346-08)

Metallic cabinet
(A01-3750-08)

Lock terminal board
(E21-0034-08)

Phono jack(4P)
(E63-1152-08)

Phone jack
(E11-0188-05)

AC power cord *
(E30-)

Содержание R-V251

Страница 1: ...TCHED TOTAL 150W MAX AC 230V 50Hz ANTENNA AM FM 75Ω GND TAPE 2 MONITOR TAPE1 MD CD AUX IN REC VCR PLAY REC PLAY REC PLAY R L L AUDIO VIDEO VCR RECOUT MONITOR OUT DVD VCR PLAYIN L R R L C 1 3 10 15 17 19 12 11 2 IN 4 9 5 7 5 7 DVD 6CH 2CH INPUT R 16 18 20 22 43 31 33 39 37 35 34 32 36 38 40 Panel dressing A21 3777 03 Window B10 2367 02 Panel A60 Knob k29 6727 04 Button R K29 Button L K29 6816 02 Ph...

Страница 2: ...E PRO LOGIC 3 STEREO MULTI CONTROL TEST TONE MODE INPUT TAPE 2 MONITOR FREEZE PAL NTSC RETURN TAPE MD LO SELECT P B C REC ARM O T E LD AUTO DIGITAL CD VIDEO CD LD REPEAT FRAME TIME PTY TA NEWS INFO DISC SKIP EDIT MODE ALL TEXT SEARCH P CALL fi How to reset the microcomputer The microcomputer may malfunction impossibility of operation erroneous display etc when the power cord is unplugged and plugg...

Страница 3: ...NJM2068D IC105 CDX271AQ IC110 NJM2068D IC702 2 2 NJM2068D IC603 6ab ATT IC702 1 2 LC7821 IC601 LC7821 IC106 1 2 DOLBY PROLOGIC IC108 NJM2279 SELECTOR VIDEO TUNER CD AUX MD PLAY PLAY TAPE MONITOR VIDEO PLAY TAPE MONITOR REC MD REC VIDEO REC VIDEO PLAY VIDEO REC DVD GCH INPUT MONITOR OUT L R C SL SR SW DVD GCH INPUT IC701 u COM FLT701 MUTE L R C SL SR SW C R L SW SR SL 10ab ATT B LOW TAP B HI TAP B ...

Страница 4: ...DO I PLL IC IC402 DO signal 26 RCV CE I Receiver chip enable signal ENABLE 27 DSP CE O DSP IC IC105 XLAT 28 AVREF Analog power supply 5 0V 29 H P DETECT I Detection input port of headphones jack 30 SD I Detection input port of SD signal for TUNER TUNED 31 S LEVEL I A D input port of signal level 32 DSP READY O DSP IC IC105 ready 33 DSP DATA O DSP IC IC105 data 34 DSP CLK O DSP IC IC105 clock 35 OP...

Страница 5: ...tput 33 XTL1 I Crystal oscillator circuit input 34 AVSX Analog GND for master clock 35 XSOUT O S ch DA converter output 36 AVS6 S ch DA converter GND 37 AVD6 S ch DA converter power supply 38 RIN I R ch AD converter analog input 39 LO2 O R ch AD converter LPF operational amplifier inverted output 40 AVS2 R ch AD converter GND R V251 5 CIRCUIT DESCRIPTION Active Pin No Pin Name I O Description H L ...

Страница 6: ...interface Transfer prohibited when Low 48 T P O Unused 49 XLAT I Latch input for microcomputer interface 50 RVDT I Data input for microcomputer interface 51 XS24 I Serial data 24 32bit slot selection 24 bit slot when Low valid for slave mode 52 VDD1 Digital power supply 53 VSS4 Digital GND 54 T P O Unused 55 SI I GND 56 T P I GND 57 BCK I O Unused 58 LRCK I O Unused 59 VSS5 Digital GND 60 XMST I D...

Страница 7: ... W g W g Y g g g g g g g g g g g g f W 2 6Kf O e M I Le He N 1e f e f e f e f 5e Le J He K O e V4 0Mf h h h h h g O2 6Kf MI e J YeV Le 7 H e N 1e g e g e 3 L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g O2 6Kf MI e J YeV Le 7 H e N 1e g e g e 3 L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g e e W g W g W g Y g g g g g g g g g g g g f W g W g W g Y g g g g g g g ...

Страница 8: ...Le J He K O e V4 0Mf h h h h h g O2 6Kf MI e J YeV Le 7 H e N 1e g e g e 3 L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g O2 6Kf MI e J YeV Le 7 H e N 1e g e g e 3 L e J e N XeW e KO e I4 0Y 5e J He W 5 e W Y e O Yf O2 0Y f 0M g e e W g W g W g Y g g g g g g g g g g g g f W g W g W g Y g g g g g g g g g g g g f e e W g W g W g Y g g g g g g g g g g g g f W2 e 7 0Ye J h 75 h J Y h...

Страница 9: ... J229 J221 J226 J225 J238 J20 J25 J57 J16 J263 J262 J261 J260 J259 J10 J263 J254 J255 J256 J257 J258 J31 J32 J22 J243 J24 J23 J55 J120 J145 J160 J161 J235 J119 J131 J121 J122 J123 J130 J56 J105 J127 J147 J124 J125 J126 C210 C216 C215 C209 C214 C26 C27 C195 C197C198 C196 C187 C176 C188 C48 C49 C47 C175 C178 C177 C179 C180 C174 C173 C172 C171 C157 C140 C127 C103 C101 C102 C118 C126 C125 C104 C43 R69...

Страница 10: ...04 J603 J601 J620 J619 J618 J617 J613 J615 J614 J630 J629 J628 J613 J612 J637 J638 J410 J412 J414 J404 J409 J434 J639 J408 J411 T401 J435 J407 J432 J425 J647 J708 J715 J714 J716 J707 J706 J725 J728 J734 C710 J733 J736 J735 J751 J759 J755 J758 J420 J421 VR401 J422 J423 J433 J406 J405 J419 J417 J415 J416 J431 J759 J760 J761 J752 J753 TA NEWS INFO J754 SW722 C717 R765 X702 R764 R763 R712 R716 R702 R7...

Страница 11: ...7 6 5 4 3 2 1 DET OUT S LEVEL SD STEREO R OUT GND L OUT 15V T MUTE PLL DATA PLL CLK PLL CE PLL DO R460 2 7K R405 R411 330 C461 0 01 C460 47u25 150 R444 1W 0 047 C452 3 5 4 6 3 5 4 6 1 2K 1 2K C414 2 2u50 R450 R434 R435 T METER B I F B 12V 100 R430 R431 C427 0 022 18K 22P C418 3 3u50 C425 22p C423 3 3K R407 R408 330 0 01 C410 100 R409 1 4 3 2 5 6 7 8 1 2 3 6 5 4 T405 4 3 T406 2 1 6 5 5600P C474 560...

Страница 12: ...156 R158 220K 220P C153 1K R157 220K R152 R155 220P C156 R162 220K 220P C155 1K R161 220K 1K 220P C152 R154 220K 220P C151 1K R153 220K R151 C34 47P C33 47P 3 3K R59 75 R58 C36 47P 3 3K R62 75 R61 INPUT 6CH PROLOGIC 15 17 16 19 18 20 22 21 14 12 13 10 11 9 7 8 27 28 26 23 25 24 VDD VSS 4 6 5 3 2 1 14 13 12 11 1 2 3 4 10 8 9 5 7 6 10u50 C35 10u50 C38 R67 100 R66 100 11 4 75 R60 47P C37 R63 75 R64 R...

Страница 13: ...u50 C102 R102 2 2K 8 220u6 3 C134 C116 1000P 3 3K R114 10K R116 10K R118 12K R124 330P C112 R126 10K C114 330P C110 10u50 100K R128 R130 39K 46 47 49 50 0 1 C133 220u6 3 C129 100K R147 C127 220u6 3 100K R148 R117 10u50 R115 1 R123 1000P C115 10K 10K 330P C111 12K 4 3 100K R127 R125 10K 2 C113 330P C109 2 2 R89 1 R90 470u6 3 C62 470u6 3 C61 3 3K R113 R91 1 220u6 3 C140 47K R293 1000P C293 0 1 C141 ...

Страница 14: ...201 R249 3 9K 1W R230 3 9K 1W C203 C204 0 047 0 047 0 047 C202 3900P C30 C199 15P C200 15P 15 C217 0 047 C218 0 047 C220 0 047 C219 0 047 3 9K 1W R247 R248 3 9K 1W 3900P C58 14 4 3 2 1 4700P C237 4700P C238 0 1 C223 0 1 C225 0 1 C226 0 1 C224 R253 33K 33K R277 L101 22 R257 R251 0 1 5W 27K R255 470 R281 33K R278 22 R258 0 1 5W R252 27K R256 33K R254 R282 470 L102 1000P C221 1000P C222 4700P C239 47...

Страница 15: ... 31 F1 F2 30 C702 0 022 0 022 C703 27 29 28 E VOL CE 24 26 25 16 15 12 24 22 23 MAIN MUTE H P DETECT LC7821 CE DSP READY DSP DATA DSP CE 21 23 22 GND GND 18 20 19 29 27 26 32 DSP CLK F OFF 17 16 15 5 6V VFDP 12 14 13 34 33 47 1 100 R704 1 4W 1 4W 100 R703 C701 0 01 VCR MUTE H P MUTE PWR RELAY C SW RELAY SUR RELAY TC9163 CE DSP RESET 9 10 11 FA RELAY 6 7 8 50 48 49 54 51 53 10dB ATT 3 4 5 S BUSY S ...

Страница 16: ...SRS 3D MUTE 2 1 TIMER LW TUNED STEREO AUTO SLEEP PTY TA TP AM FM EX BASS S DIRECT TAPE2 3 STEREO DSP NEWS MEMO EON INFO RDS PRO LOGIC MHz kHz dB ms GND LINE SIGNAL LINE B LINE B LINE IC701 CXP82852 184Q IC702 KIA7039P IC703 TDA7330B Q701 702 2SC1740SR Q703 704 2SA933S Q705 706 DTC114ES ZD701 MTZJ6 2B D702 703 705 707 709 710 713 714 717 722 KDS160 D704 708 711 712 715 716 1SS133 FRONT UNIT R V251 ...

Страница 17: ...e V L e 7 H e N 1 e g e g e 3 L e J e N X e W e K O e I 4 0 Y 5 e J H e W 5 e W Y e O Y f O 2 0 Y f 0 M g O 2 6 K f M I e J Y e V L e 7 H e N 1 e g e g e 3 L e J e N X e W e K O e I 4 0 Y 5 e J H e W 5 e W Y e O Y f O 2 0 Y f 0 M g e e W g W g W g Y g g g g g g g g g g g g f W g W g W g Y g g g g g g g g g g g g f e e W g W g W g Y g g g g g g g g g g g g f W 2 e 7 0 Y e J h 7 5 h J Y h 6 K f I 4 ...

Страница 18: ... 05 CORD ASSY L068040011010 X 616 1C E30 2788 05 CORD ASSY L068040011010 E 616 1C E30 2791 05 CORD ASSY L068040011010 T 620 2A E35 2536 08 CABLE FLAT L301291310010 636 2B 2C G13 2504 08 CUSHION FOOT 4050020365010 H10 7646 08 CUSHION SNOW 6230210084000 H25 1665 08 POLY BAG UNIT 6337000409030 H50 3499 08 BOX GIFT 6007210040010 635 2B 2C J02 1472 08 FOOT 4000020121010 637 2B J19 3031 08 SUPPORTER 407...

Страница 19: ...175 180 CE04KW1H4R7M ELECTRO 4 7UF 50WV C181 185 CK73FB1H102K CHIP C 1000PF J C186 CC73FCH1H471J CHIP C 470PF J C187 191 CE04CW1H010M ELECTRO 1 0UF 50WV C193 194 CC73FCH1H101J CHIP C 100PF J C195 196 CE04CW1H100M ELECTRO 10UF 50WV C197 198 CE04KW1A101M ELECTRO 100UF 10WV C199 200 CC45FSL1H150J CERAMIC 15PF J C201 204 CK45FB1H473Z CERAMIC 0 047UF Z C205 207 CC73FCH1H101J CHIP C 100PF J C208 210 CE0...

Страница 20: ...o Description Desti nation Re marks C702 703 CQ93FMG1H223J MYLAR 0 022UF J C704 705 CC73FCH1H270J CHIP C 27PF J C706 CE04CW1A101M ELECTRO 100UF 10WV C707 708 CK73FB1H103K CHIP C 0 010UF K C709 CE04CW1H010M ELECTRO 1 0UF 50WV C710 C90 3894 08 ELECTRO 0 047F 5 5WV C711 CE04CW1H010M ELECTRO 1 0UF 50WV C712 713 CK73FB1H103K CHIP C 0 010UF K C714 CE04KW1H101M ELECTRO 100UF 50WV C715 CK73FB1H103K CHIP C...

Страница 21: ...ussia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R63 RN14BK2H75R0F RN 75 0 F 1 2W R64 65 RS14AB3A391J FL PROOF RS 390 J 1W R69 RS14AB3D330J FL PROOF RS 33 J 2W R74 75 RS14AB3A221J FL PROOF RS 220 J 1W R76 RK73FB2A751J CHIP R 750 J 1 10W R77 RK73FB2A272J CHIP R 2 7K J 1 10W R78 79 RK73FB2A102J CHIP R 1 0K J 1 10W R...

Страница 22: ... Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R461 RK73FB2A333J CHIP R 33K J 1 10W R464 RK73FB2A181J CHIP R 180 J 1 10W R465 RK73FB2A103J CHIP R 10K J 1 10W R469 470 RK73FB2A152J CHIP R 1 5K J 1 10W R601 602 RK73FB2A102J CHIP R 1 0K J 1 10W R603 604 RK73FB2A224J CHIP R 220K J 1 10W R605 606 RK73FB2A102J CHIP R 1 0K J 1 10W R6...

Страница 23: ... 704 2SA933S SEMI TR GE PNP Q705 706 DTC114ES SEMI BRT NPN RC ZD10 12 MTZJ5 1B D ZENER ZD19 20 MTZJ6 8B D ZENER ZD21 MTZJ3 3B D ZENER ZD22 MTZJ2 7B D ZENER ZD23 MTZJ6 2B D ZENER ZD101 102 MTZJ16B D ZENER ZD201 204 MTZJ8 2B D ZENER ZD401 MTZJ5 1B D ZENER ZD402 MTZJ2 7B D ZENER ZD403 MTZJ8 2B D ZENER ZD701 MTZJ6 2B D ZENER FE401 W02 2729 08 TUNER FM E900401010010 RMC701 W02 2730 08 MODULE REMOCON E9...

Страница 24: ...inputs outputs composite 1 Vp p 75 Ω DVD inputs outputs composite 1 Vp p 75 Ω FM Tuner section Tuning frequency range 87 5 MHz 108 MHz Usable sensitivity DIN MONO 1 2 µV at 75 Ω 13 2 dBf 40 kHz dev S N 26 dB STEREO 35 µV at 75 Ω 42 dBf 46 kHz dev S N 46 dB Signal to noise ratio DIN weighted at 1 kHz 40 kHz dev MONO 65 dB 65 2 dBf input STEREO 60 dB 65 2 dBf input Selectivity DIN 300 kHz 63 dB Ster...

Страница 25: ...tions This manual is based on Europe E standard and provides information on regional circuit modification through use of alternate schematic diagrams and information on regional component variations through use of parts list Audio section Rated output power during STEREO operation 1 kHz 10 at 6 Ω 70 W 70 W Effective output power during SURROUND operation FRONT 1kHz 10 T H D at 6 Ω 70 W 70 W CENTER...

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