Kenwood VR 3080 Service Manual
Kenwood VR 3080 - Dolby Digital Receiver Manual
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UPC - 019048106308
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Kenwood VR 3080 manual content summary:
- Kenwood VR 3080 | Service Manual - Page 1
SURROUND RECEIVER KRF-V7772D VR-3080 SERVICE MANUAL © 1999 DOWN INPUT SELECTOR DISPLAY MODE UP PHONES S VIDEO V AV AUX L-AUDIO-R CD2/TAPE2 MONITOR Panel escutcheon (B01-0533 IN LCD OUT DC12V 15mA REMOTE SL16 TEXT SYSTEM CONTROL SL16 XS8 PHONO CD1 SUBWOOFER VIDEO AUDIO MD/TAPE1 REC - Kenwood VR 3080 | Service Manual - Page 2
KRF-V7772D/VR-3080 CONTENTS / ACCESSORIES Contents CONTENTS/ACCESSORIES/CAUTIONS 2 CONTROLS 3 DISASSEMBLY FOR REPAIR 4 BLOCK DIAGRAM 5 CIRCUIT DESCRIPTION 6 ADJUSTMENT 12 WIRING DIAGRAM 13 PC BOARD 14 SCHEMATIC DIAGRAM 19 EXPLODED VIEW 36 PARTS LIST 37 SPECIFICATIONS 49 Accessories - Kenwood VR 3080 | Service Manual - Page 3
KRF-V7772D/VR-3080 CONTROLS Except for USA and Canada ON/STANDBY POWER ON OFF POWER ON/STANDBY S VIDEO V AV AUX L-AUDIO-R CD2/TAPE2 MONITOR 9. Volume control knob 10. Display Mode button 11. Input selector button 12. AV AUX S VIDEO jack 13. AV AUX composite video jack 14. AV AUX audio jacks - Kenwood VR 3080 | Service Manual - Page 4
KRF-V7772D/VR-3080 DISASSEMBLY FOR REPAIR [Check the audio PCB(X09)] 1. Remove the 9 screws (1,2,3). 2. Remove the 4 hooks(4,5) and remove the audio PCB(X09),then stand the set with - Kenwood VR 3080 | Service Manual - Page 5
KRF-V7772D/VR-3080 VIDEO PLAY VIDEO 2 VIDEO 3 VIDEO 4 COMP VIDEO REC (FRONT) AV AUX VIDEO 1 IC61 BA7626F Q611,612 (FRONT) AV AUX REC VIDEO 1 MONITOR OUT Y C Q641 Y C Q651,652 FL MI-COM SYSTEM u-COM IC72 X8 REMOTE CONTROL MI-COM Q851,852, 856,857 38kHz FILTER Q853-855 455kHz FILTER RX TX - Kenwood VR 3080 | Service Manual - Page 6
KRF-V7772D/VR-3080 CIRCUIT DESCRIPTION TUNING MODE : AUTO • PRESET MEMORY : TEST MEMORY FRE- QUENCY (Same value with KR-V999D/1090VR) • LAST BAND : FM • FM LAST FREQUENCY : 87.5MHz • AM E1 E3 RDS Q1 RDS M BAND Reception frequency Channel space PLL standard IF frequency FM 87.5MHz~108 - Kenwood VR 3080 | Service Manual - Page 7
KRF-V7772D/VR-3080 CIRCUIT DESCRIPTION Push key INPUT SELECTOR SP A SP B TUNER STEREO P. CALL P. CALL UP DOWN CD1 STEREO DISPLAY MD/TAPE1 VIDEO1 VIDEO2 VIDEO3 STEREO PRO LOGIC 3 STEREO STEREO VIDEO4 DSP AV AUX STEREO PHONO STEREO MUTE ATT OFF ON FM DISPLAY MODE AUTO/STEREO MANUAL/ - Kenwood VR 3080 | Service Manual - Page 8
KRF-V7772D/VR-3080 CIRCUIT DESCRIPTION 4-2 Pin description Pin No. Name I/O Connect Description 1-8 REM_D0-D7 O P.D. LCD REMOTE DATA OUT-7 9 43 RESET I - RESET 44 REM0 I P.D. REMOTE CONTROLLER SIGNAL INPUT 0 (FRONT PANEL) 45 REM1 I P.D. REMOTE CONTROLLER SIGNAL INPUT 1 (IR RECEIVER) - Kenwood VR 3080 | Service Manual - Page 9
KRF-V7772D/VR-3080 RECEIVER EXIST:H) O P.D. SELECTOR(NJU7312,NJU7313,TC9162) CLOCK O P.D. SELECTOR(NJU7312,NJU7313,TC9162) DATA O P.D. SELECTOR(NJU7312,NJU7313,TC9162) STROBE O P.D. INPUT ATTENUATOR -3dB O P.D. INPUT ATTENUATOR -6dB O P.D. TAPE2 LED I P.D. LCD REMOTE RWR I P.D. LCD REMOTE - Kenwood VR 3080 | Service Manual - Page 10
KRF-V7772D/VR-3080 CIRCUIT DESCRIPTION 4-3 Circuit control (a) Selector IC NJU7313AL(X09:IC4), NJU7312AL (X09:IC5) NJU7313AL NJU7312AL *3 (1:H , 0:L) PIN No.(Lch) 2 3 4 5 7 8 10 1 1 2 3 4 6 7 8 10 11 PIN No.(Rch) 27 26 25 24 22 21 - Kenwood VR 3080 | Service Manual - Page 11
KRF-V7772D/VR-3080 CIRCUIT DESCRIPTION (d) CODEC:CS4226(X08:IC3) (PIN No.: MAIN UCOM PIN No.) FREQ0 ( 55 PIN ) /FREQ1( 5 4 PIN ) FREQ1 FREQ0 3 2 kHz H H 4 4 .1 kHz L L 4 8 kHz L H Reserved H L A UDIO ( 58 - Kenwood VR 3080 | Service Manual - Page 12
KRF-V7772D/VR-3080 ADJUSTMENT No. ITEM FM SECTION : INPUT SETTINGS SELECTOR : FM OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR F I G . * IROUT IRREPEATER IN LCD OUT DC12V 15mA REMOTE SL16 TEXT SYSTEM CONTROL SL16 XS8 SUBWOOFER VIDEO AUDIO PHONO CD1 MD/TAPE1 REC - Kenwood VR 3080 | Service Manual - Page 13
7 1 CN6 7 V V 1 CN3 7 (X08- ) (I/10) 1 CN2 7 V V 1 CN1 7 J81 SYSTEM CONTROL XS8 S1 SYSTEM CONTROL SW SL16 J82 SL16 TEXT USED VR-3080/ J85 IR REPEATER KRF-V7772D(Y) TYPE OUT IR RECEIVER J84 IN DC12V 15mA IR OUT J83 LCD REMOTE 1L FRONT 2R 3L J2 SURROUND PRE OUT 4R - Kenwood VR 3080 | Service Manual - Page 14
A B C D E PC BOARD (Component side view) 1 TUNER UNIT X05-5030-10 (J70-1284-01) R69 BE Q11 Q10 EB BE Q12 B E R75 R48 R47 R77 W84 D9 W1 R66 C81 R67 C58 C62 R78 R29 1 R45 C57 EB Q8 L7 2 R76 R73 Q9 C61 R46 W3 W61 C60 W4 R74 C59 CN1 C93 W25 W5 W83 R62 R68 C69 - Kenwood VR 3080 | Service Manual - Page 15
D651 R580 D571 C572 C571 R597 C598 C599 R598 C597 5 D572 P3 C600 J67 D592 X08 H/10 1 E53 WH53 D574 R573 D573 R571 C573 VOLUME CONTROL R577 R572 E R578 WH54 3 1 E54 B Q572 1 3 S97 X08 G/10 E55 WH54 E95 S93 MUTE 13 D906 R982 R983 R984 R985 R986 R987 R988 R946 R947 - Kenwood VR 3080 | Service Manual - Page 16
P Q PC BOARD (Component side view) 1 AUDIO UNIT X09-6270-10 A/5 (J70-1293-01) 2 1 R227 3 4 5 6 7 17 1 Q105 J1 5 LSch 1 PHONO Q107 J11 CD1 5 1 REC OUT Q101 5 Lch 1 MD/TAPE1 J12 PLAY IN J2 Q103 REC OUT CD2/TAPE2 MONITOR R 5 J13 PLAY IN 1 Q109 5 Cch 1 REC OUT VIDEO1 - Kenwood VR 3080 | Service Manual - Page 17
For continued safety, replace safety critical components only PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR POWER ON RESET 1/2 SWALLOW COUNTER 1/16,1/17 4bits 12bits PROGRAMABLE 3 PLL CE 6 2 PLL DO 1 CH.SPACE VR-3080 (1/4) KRF-V7772D (1/4) MODE CARRIER FM 98MHz AM 1000(999)kHz FREQUENCY - Kenwood VR 3080 | Service Manual - Page 18
22 CSI 11 1.9V A1 87 2.4V 23 10 2.5V DIGITAL DATA IC7 DETECTOR IC7 RESET 0V R72 47K Q11 1 2 3 4 1Q 5 2Q +5V VCC 1A 1Rx/Cx 5V AVR OUT IN GND R517 220 IPORT7 OPORT7 6 93 IPORT6 94 BLOCK DIAGRAM : KRF-V7020D 38 OPORT6 37 R529 3.3K 4.4V 47P R516 1M L52 C520 1000P IPORT5 4.9V - Kenwood VR 3080 | Service Manual - Page 19
CODEC AC3 CODEC ERR/OVR 47 CODEC CS 46 45 REM1 44 REM0 43 RESET 0V 0V 0V 4.4V 4.9V 0V 5.0V 5.0V 42 XT1 41 XT2 0V 330P R872 C862 5.3V 100 100P SL16 XS8 SYSTEM CONTROL SL16 TEXT IR REPEATER OUT IR RECEIVER IN DC12V 15mA IR OUT LCD REMOTE A R866 22K R868 1K C857 1000P R871 1K VDD TEST - Kenwood VR 3080 | Service Manual - Page 20
100K C622 R629 1000u6.3 75 + 3.4V 0V C612 1000u6.3 + 3.8V C602 22u35 + C604 22u35 + C606 22u35 + C608 22u35 + Q623,631 VIDEO MUTE 75 3.4V Q611,612,621,622 VIDEO AMP 16 3.7V 2.4V 1 MONI IN1 A 15 5.0V 2 GND OUT1 14 2.4V 3.8V 3 IN5 13 5.6V 4 VCC 3.8V 5 GND IN2 12 3.8V - Kenwood VR 3080 | Service Manual - Page 21
AV AW AX CN4 1 LS 2L 3 A GND 4C 5R 6 RS 7 N.C. J2 1L FRONT 2R 3L X09-A/5 -CN6 3/4 B X09-A/5 -CN8 3/4 VR-3080 Q611,612, ,572 IR REMOTE TRANSMIT +B VR-3080 (2/4) KRF-V7772D (2/4) X08-J/10 -CN62 4/4 D X09-A/5 -E2 3/4 E X08-D/10 -CN92 4/4 F X09-A/5 -CN1 3/4 G CAUTION: For continued safety, replace - Kenwood VR 3080 | Service Manual - Page 22
VSS L -16.6V R67 100 2 2 TAPE1 REC 3 3 TAPE2 REC 4 VIDEO1 REC 5 6 AV AUX 7 7 VIDEO1 8 8 VIDEO2 9 10 10 VIDEO3 11 11 VIDEO4 12 13 ST 14 GND IC5 critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce - Kenwood VR 3080 | Service Manual - Page 23
75 R597 470K C C598 100P Y C599 100P R599 75 E61 WH61 1 AUX VSC 2 AUX VSY J63 AV AUX (FRONT) Lch AUDIO Rch C592 C591 100P 100P R592 R591 220K 220K R596 75 C596 100P R593 100 (B2) or MTZJ13(B) TC74HCU04AF TC9412AF LC72131 VR-3080 (3/4) KRF-V7772D (3/4) KRF-V7772D/VR-3080 Y05-3850-10 - Kenwood VR 3080 | Service Manual - Page 24
SPEAKER B D906 R906 470 0V Q905 3.5V IR REMOTE 0V (RECEIVE/ TRANSMIT) Q906 0V Q907 +5V +5V 3.7V R927 47K 4.9V VDD 0V 0V 4.9V 0V 0V 0V 0V 4.5V 2.3V 2.0V VDD 1 VDD 2 AC-3 3 DTS 4 CLIP 5 SP A 6 SP B 7 REM.TX 8 STAND BY 9 10 RESET - Kenwood VR 3080 | Service Manual - Page 25
. For continued protection against risk of fire, replace only with same type and rating fuse(s). To REMOTE SENSOR 5.0V O 13 REM GG E91 WH91 4 3 2 +5V 1 POWER SW (TACT) (X08- ) (E/10) STANDBY E92 S96 4 3 2 +5V 1 R925 D907 470 VR-3080 (4/4) KRF-V7772D (4/4) KRF-V7772D/VR-3080 - Kenwood VR 3080 | Service Manual - Page 26
(2/2) Cx2 618 630 612 A91 ED1 613 A INPUT SELECTOR 635x2 S91 S94 605 640 615 SPEAKERS B MUTE DISPLAY MODE Hx2 S92 S93 S95 Hx3 625 784 (7P) 637x4 D H X09-6270-21 (A/5) 762 760 CHANNEL SPACE DE-EMPHASIS S 1 ANTENNA J 1 703 X05-5630-21 H 635x2 Hx2 Hx2 KRF-V7772D/VR-3080 - Kenwood VR 3080 | Service Manual - Page 27
Add- New ress Parts Parts No. Description KRF-V7772D/VR-3080 601 1A V A01-3690-01 METALLIC CABINET 602 1A A09-1115-08 BATTERY COVER 605 2A V A60-1620-02 PANEL 605 2A V A60-1621-02 PANEL 606 1A A70-1191-05 REMOTE CONTROL ASSY(RC-R0907) 612 2B 613 2A 614 2A 615 2A 616 - Kenwood VR 3080 | Service Manual - Page 28
KRF-V7772D/VR-3080 PARTS LIST 38 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 29
KRF-V7772D/VR-3080 PARTS LIST 39 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 30
KRF-V7772D/VR-3080 PARTS LIST 40 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 31
KRF-V7772D/VR-3080 PARTS LIST 41 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 32
KRF-V7772D/VR-3080 PARTS LIST 42 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 33
KRF-V7772D/VR-3080 PARTS LIST 43 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 34
KRF-V7772D/VR-3080 PARTS LIST 44 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 35
KRF-V7772D/VR-3080 PARTS LIST 45 V New Parts Parts DIGITAL TRANSISTOR Q501 Q571,572 Q571,572 Q611,612 Q611,612 UN5212 2SC3940A(R,S) 2SD863(E,F) 2SC4081(R,S) 2SC4116(Y,GR ,2 1B A91 2B W02-1181-05 W02-2571-05 OPTIC RECEIVING MODULE OPTIC RECEIVING MODULE AUDIO (X09-6270-10) C1 ,2 C3 ,4 C5 - Kenwood VR 3080 | Service Manual - Page 36
KRF-V7772D/VR-3080 PARTS LIST 46 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 37
KRF-V7772D/VR-3080 PARTS LIST 47 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 38
KRF-V7772D/VR-3080 PARTS LIST 48 V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile - Kenwood VR 3080 | Service Manual - Page 39
KRF-V7772D/VR-3080 SPECIFICATIONS KRF-V7772D Audio Section FM Tuner Section Rated Output Power during stereo operation Tuning Frequency Range 87.5MHz~108MHz For US Military: 100 watts per channel minimum RMS, both channels driven, at 6 Ω from 20Hz to 20kHz with no more than 0.05% total - Kenwood VR 3080 | Service Manual - Page 40
KRF-V7772D/VR-3080 SPECIFICATIONS VR-3080 Audio Section Rated Output Power during stereo operation 100 watts per channel minimum RMS, both channels driven, at 6 Ω from 20Hz to 20kHz with no more than 0.05% total harmonic distortion (FTC). Effective Output Power during surround operation Front 1kHz,
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AUDIO VIDEO SURROUND RECEIVER
KRF-V7772D
VR-3080
SERVICE MANUAL
© 1999-3/B51-5511-00 (K/K) 1841
POWER
ON/STANDBY
CLIP INDICATOR
DOLBY DIGITAL
DTS
SPEAKERS
A
B
MUTE
VOLUME
DOWN
UP
INPUT SELECTOR
DISPLAY MODE
PHONES
S VIDEO
V
AV AUX
L-AUDIO-R
CD2/TAPE2
MONITOR
PRE OUT
FRONT
SURROUND
CENTER
SUBWOOFER
AM
GND
FM
75
Ω
ANTENNA
AUDIO
PHONO
CD1
MD/TAPE1
REC
OUT
PLAY
IN
VIDEO1
REC
OUT
PLAY
IN
VIDEO2
PLAY
IN
VIDEO3
PLAY
IN
VIDEO4
PLAY
IN
CD2/TAPE2
MONITOR
REC
OUT
PLAY
IN
FRONT SPEAKERS
(6-16
Ω
)
SURROUND SPEAKERS
(6-16
Ω
)
CENTER
SPEAKER
(6-16
Ω
)
SWITCHED
TOTAL 100W MAX.
S VIDEO
VIDEO
MONITOR
OUT
VIDEO1
REC
OUT
PLAY
IN
VIDEO2
PLAY
IN
VIDEO3
PLAY
IN
VIDEO4
PLAY
IN
DIGITAL IN
SL16
TEXT
SYSTEM
CONTROL
VIDEO2
OPTICAL OPTICAL COAXIALCOAXIAL
VIDEO3
VIDEO4
CD1
IR RECEIVER
IN
DC12V
15mA
IR REPEATER
OUT
IR OUT
LCD
REMOTE
SL16 XS8
Panel *
(A60-)
Panel escutcheon
(B01-0533-21)
Knob
(K29-6855-03)
Indicator
(B12-0333-04)
Knob
(K29-6855-03)
Front glass
(B10-2418-03)
Indicator
(B12-0326-04)
Front glass
(B10-2451-03)
Cylindrical receptacle
(E56-0012-05)
Foot
(J02-1405-03)
Phone jack
(E11-0271-05)
Knob
(K29-6858-12)
Indicator
(B12-0331-04)
Knob
(K29-6858-12)
Knob
(K29-6852-04)
AC power cord*
(E30-)
Slide switch
(S31-2132-05)
Phono jack
(E63-1028-05)
Cylindrical receptacle
(E56-0011-05)
Phono jack
(E63-0162-05)
Phono jack
(E63-0141-15)x2
Screw terminal board
(E70-0096-05)
*Refer to parts list on page37~.
Power cord bushing
(J42-0083-05)
Phono jack
(E63-1084-05)
Screw terminal board
(E70-0095-05)
Miniature phone jack
(E11-0360-05)
Miniature Phone jack
(E11-0291-05)
Optical receiving module
(W02-1181-05)
Lock terminal board
(E70-0052-05)
AC outlet *
(E03-)
Miniature Phone jack
(E11-0389-05)
Phono jack
(E63-0139-15)
Miniature Phone jack
(E11-0293-05)
Phono jack
(E63-1030-05)