Kenwood VR 3080 Support Question
Kenwood VR 3080 Support Question
Find answers below for this question about Kenwood VR 3080 - Dolby Digital Receiver.Need a Kenwood VR 3080 manual? We have 1 online manual for this item!
Question posted by rokalotjeff on November 26th, 2010
Recever Keep,s Shutting Down
my recever keep,s suhting down at meadum sound level. i,ve tryed reducing the input level, disconecting my sub woofer, turned off surround speakers ( there a little biger then the rest) but it still shuts down. any help please!!
Current Answers
Related Kenwood VR 3080 Manual Pages
Service Manual - Page 1
... on page37~. AUDIO VIDEO SURROUND RECEIVER
KRF-V7772D VR-3080
SERVICE MANUAL
© 1999-3/B51-5511-00 (K/K) 1841
Indicator (B12-0326-04)
Knob (K29-6855-03)
Indicator
Front glass
(B12-0333-04) (B10-2451-03)
Knob (K29-6855-03)
Panel * (A60-)
POWER ON/STANDBY
CLIP INDICATOR
DOLBY DIGITAL
A
DTS VOLUME
SPEAKERS B
MUTE DOWN
INPUT SELECTOR
DISPLAY MODE UP...
Service Manual - Page 2
...(you may need to hold the Power button for more than 1 second. Turn the receiver off . 2. Turn the receiver off . (The Power button is necessary.)
FM Antenna (T90-0841-05)...to press
the blue button in while pressing and holding the Power button. 3. KRF-V7772D/VR-3080
CONTENTS / ACCESSORIES
Contents
CONTENTS/ACCESSORIES/CAUTIONS 2 CONTROLS 3 DISASSEMBLY FOR REPAIR 4 BLOCK DIAGRAM...
Service Manual - Page 5
...
SRAM
to POWER
FINAL TR. KRF-V7772D/VR-3080
BLOCK DIAGRAM
5
(SIGNAL STAGE)
(X09)...R6
IC42 TONE
DIGITAL
IC3
DIR DAC ...IC31(2/2) 21kHz LPF
SUB
L7,R7
L1...OUT
(OSD)
Q623 Q621,622 V-MUTE
EACH INPUT C-TERMMNAL
(J TYPE)
IC67
S1 DETECTOR
u-COM...SYSTEM CONTROL
(X09)
PHONES K,Y,M,X 1.3Vrms/32
J 1.1Vrms/32 5ch SP.
OUTPUT K,Y,M,X 24.5V/6
J 20.0V/4
PHONES
FRONT A L,R
FRONT B L,R
LS,RS
SPEAKERS...
Service Manual - Page 7
...
MUTE
ATT OFF ON FM
DISPLAY MODE AUTO/STEREO MANUAL/MONO (DOLBY DIGITAL LED : OFF ON)
TONE (TUNED) +10 (light on) OFF (light off)
ARENA JAZZ CLUB
THEATER STADIUM CATHEDRAL TAPE2 OFF ON
INPUT LEVEL 0dB -3dB -6dB
(Press the key for 2 secs) ANALOG DIGITAL
IR RECEIVER A(ON) OFF
4. Main microprocessor: uPD784214GF-527(X08: IC71)
4-1 Microprocessor periphery...
Service Manual - Page 8
... S1 WIDE DETECTOR
30
WIDE_OUT O P.D. VOLUME(TC9412),TONE(TC9184)CLOCK
36
CE
I P.D. Not used
17
T_MUTE O P.U. REMOTE CONTROLLER SIGNAL INPUT 1 (IR RECEIVER)
46 CODEC_CS I P.D. CODEC(CS4226) CHIP SELECT
47 CODEC_ERR I P.D. CODEC(CS4226) AC-3(DOLBY DIGITAL, DTS, MPEG DETECT
49
DSP_DTS I P.D. DSP(YSS912) DTS DETECT
50
DSP_AC3 I P.D. DSP(YSS912) AC-3 DETECT
51
AVDD
-
-
+5V...
Service Manual - Page 9
KRF-V7772D/VR-3080
CIRCUIT DESCRIPTION
Pin No. 66...RECEIVER DISTINCTION(IR RECEIVER EXIST:H)
O P.D. INPUT ATTENUATOR -3dB
O P.D. INPUT ATTENUATOR -6dB
O P.D. LCD REMOTE RWR
I P.D. SELECTOR(NJU7312,NJU7313,TC9162) CLOCK
O P.D. SELECTOR(NJU7312,NJU7313,TC9162) DATA
O P.D. LCD REMOTE ENABLE
O P.D. GND
9 FL DRIVER(uPD780204) STROBE
I P.D. SERIAL BUSY
O P.D. CENTER,SURROUND SPEAKER...
Service Manual - Page 10
KRF-V7772D/VR-3080
CIRCUIT DESCRIPTION
4-3 Circuit control (a) Selector IC
NJU7313AL(X09:IC4), NJU7312AL (X09:IC5) NJU7313AL
...SPEAKERS B on SPEAKERS B o f f ANALOG THROUGH D/ A OU T (LOW BOOS T on *1) D/ A OU T (LOW BOOS T o f f)
*1: SW of f
2 27 L1,R1 1 0
3 26 L2,R2 0 1
5 24 L3,R3
1 0
6 23 L4,R4
0 1
(c) DSP:YSS912 (X08:IC51)OUTPUT PORT :OPORT0~7
(VIDEO SELECTOR, DIGITAL/ANALOG INPUT...
Service Manual - Page 12
... LEVEL
98.0MHz MONO 1kHz, ±40kHz dev.
(B)
25dBf (ANT.
AUDIO SECTION IDLE CURRENT
SPEAKER : A
PREOUT : OFF
PROLOGIC : ON
Connect a DC
- DC voltmeter between CN2 1
70dBf (ANT. input)
MONO 98.0MHz
VR1 (X05-)
Adjust VR1 and stop at the point where ED1 (a) (TUNED) goes
on. ITEM
FM SECTION :
INPUT SETTINGS
SELECTOR : FM
OUTPUT SETTINGS
RECEIVER...
Service Manual - Page 13
...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
5 CENTER 6 SUB
WOOFER...AC220240V~
VIDEO2
OPTICAL
DIGITAL IN
VIDEO3 VIDEO4
COAXIAL CD
MONITOR OUT
1
REC 2 OUT
VIDEO1
VIDEO
PLAY 3 IN
USED VR-3080
EXCEPT USED KRF...
Service Manual - Page 15
...DIGITAL IN
VIDEO1
1
SURROUND UNIT
VIDEO4 PLAY IN
VIDEO3 PLAY IN
VIDEO2 PLAY IN
PRE OUT CENTER
SUB WOOFER SURROUND FRONT
VIDEO3 VIDEO2
CD1
VIDEO4
PLAY IN
REC OUT
MONITOR OUT
SYSTEM...INPUT SELECTOR
S94
R918 D911 D910
C910
R917 C907
C900
INDICATION
50 51
DTS D902
81
80
D901 DOLBY DIGITAL...1 SPEAKER B D905
D904
R659
C676
R682
R670
R669
C659
CN64
VIDEO SEL (S)
1
16
AUX INPUT
...
Service Manual - Page 18
K
L
M
N
O
P
Q
R
S
T
SURROUND UNIT (X08-297X-XX) (A/10)
1
A1 1
OUT 2
VIDEO2 GND
3 VDD VDD
R50 10 1/4W
IC6 (6/6)
0V
9
4.4V
14 8 7 C55
0.1...
1.9V 87
44 2.5V
87
RAMA0
0.8V 88
88
RAMWEN
4.9V 89
89
RAMOEN
90
VSS
3.3V 91
VDD2
VDD2
92
IC51
DSP (DTS,DOLBY DIGITAL PRO LOGIC 3ST.)
RAMA7
44
43 2.5V
RAMA8
43
42 2.5V
RAMA9
42
41 3.3V
VDD2
VDD2
+5V
40
VSS2
39
1.9V 1 2...
Service Manual - Page 19
... SECOND PROTECTION I
R797 1K 89
0V
89 PROTECTION V
91 92 93 94 95
97 98 99
0V 90 Ir RECEIVER ON/OFF
D705 0V 91 SEL CK
D706 0V 92 SEL DA D707 0V 93 SEL ST1 R788 3.3K 0V 94... R867
1K Q853
0V
VDD
IR INPUT AMP D861 0V
L82 100uH Q854
R869 4.7K
5.3V R870 Q855 10K
C858
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...
Service Manual - Page 21
...SUB WOOFER
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 safety critical components only with same type and rating fuse(s).
DOLBY and the double-D symbol are acceptably insulated from Dolby...voltmeter with no signal input.
C272 22u35
+
C266...
+
SURROUND MUTE
Q456...SEL. To reduce the risk ...
Service Manual - Page 22
... The measurement value may vary depending on the measuring instruments used or on the product. To reduce the risk of fire, replace only with same type and rating fuse(s).
PLL DO
PLL C.E....
+17V
+17V
21 21
22 22
24
15 CK
DATA 16
17
18
19
20
23
24
IC4
INPUT SELECTOR
COMMON
MONITOR
DIGITAL REC
PHONO
TUNER
17V 1 VSS L
C28 C27 220P 220P R48 R47 470K 470K
14 GND
REC OUT
Rch...
Service Manual - Page 24
...VDD
99 88
8 GND 9 AUX C
77
10 AUX Y
R694 10K
IC65,66 TRUE TABLE
OUTPUT INPUT 16 VIDEO1
1 MONITOR
15 A 11 B
14
VIDEO1 REC OUT
9C L
8D L
6B
12 ...DOLBY DIGITAL
D902
R902 470
0V Q901 3.8V
DTS
D903
R903 470
0V Q902 3.7V
CLIP INDICATOR
0V Q903
D904
R904 470 0V
SPEAKER A
D905
R905 470
0V Q904 3.7V
LED DRIVER
SPEAKER B
D906
R906 470
0V Q905 3.5V
IR REMOTE
0V
(RECEIVE...
Service Manual - Page 26
...
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
PHONO/CD1/ MD/TAPE
VIDEO PLAY IN
SURROUND SPEAKERS
J1 J2 J3...
Service Manual - Page 35
...(Y,GR) DTC124EUA UN5212 2SC4097(Q,R)
TRANSISTOR TRANSISTOR DIGITAL TRANSISTOR DIGITAL TRANSISTOR TRANSISTOR
A1 ,2
1B
A91
2B
W02-1181-05 W02-2571-05
OPTIC RECEIVING MODULE OPTIC RECEIVING MODULE
AUDIO (X09-6270-10)
C1 ... nicht geliefert. are not supplied. KRF-V7772D/VR-3080
PARTS LIST
45
V New Parts Parts without Parts No. V New Parts Parts without Parts No. New ress Parts
Parts No....
Service Manual - Page 38
...
Q71
2SC1845(F,E)
TRANSISTOR
Q73
2SA992(F,E)
TRANSISTOR
Q79
DTC124ESA
DIGITAL TRANSISTOR
Q79
UN4212
DIGITAL TRANSISTOR
Q80
2SC2458(Y,GR) TRANSISTOR
Q80 Q81 Q82 Q83...2SC2631(R,S)
TRANSISTOR
Q67
2SC2631(R,S)
TRANSISTOR
Q69
2SA1123(R,S)
TRANSISTOR
£
Desti- KRF-V7772D/VR-3080
PARTS LIST
48
V New Parts Parts without Parts No. werden nicht geliefert. Renation ...
Service Manual - Page 39
..., 0.09% T.H.D.
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 -40dB level 7dB (100Hz), +4dB (10kHz)
Terminal To Tip To Ground
IR Receiver In Signal Ground...
Service Manual - Page 40
...VR-3080
SPECIFICATIONS
VR-3080
Audio Section
Rated Output Power during surround operation Front 1kHz, 0.09% T.H.D. Effective Output Power during stereo operation 100 watts per channel minimum RMS, both channels driven, at -40dB level 7dB (100Hz), +4dB (10kHz)
Digital Audio Section
Sampling Frequency 32kHz, 44.1kHz, 48kHz Input Level...PLUG TO BE CONNECTED:
IR Receiver In and IR Out LCD ...
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