KENWOOD VR-5080 Service Manual

Cover page of KENWOOD VR-5080 Service Manual

Service Manual for KENWOOD VR-5080, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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  • Delivered as a PDF file.
  • The manual has 68 pages
  • File size: 11.05 MB
  • Available language versions: English
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Sample pages

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background image
PHONES
THX
DOLBY DIGITAL
DTS
MPEG
D.R.I.V.E.
HDCD
¤ INPUT SELECTOR <
VOLUME CONTROL
DOWN
UP
AV - AUX
S VIDEO
VIDEO
L - AUDIO - R
CLIP
INDICATOR
ON/STANDBY
REMOTE
POWER
CD 2 / TAPE 2
MONITOR
SURROUND
BACK
96kfs
STANDBY
DISCRETE 6.1
MATRIX 6.1
NEO : 6
PRO LOGIC
DTS-ES
OPTICAL
VIDEO
4
VIDEO
3
VIDEO
2
CD-R
MD/
TAPE1
CD1
DVD
EXT.CONTROL
RS-232C
DIGITAL IN
COAXIAL
DIGITAL OUT
VIDEO
3 IN
COMPONENT VIDEO
DVD
IN
MONITOR
OUT
MONITOR
OUT
PLAY
IN
PLAY
IN
PLAY
IN
PLAY
IN
REC
OUT
REC
OUT
PLAY
IN
S VIDEO
VIDEO
PRE OUT
ZONE B PRE OUT
R
L
AUDIO
R
L
FRONT
R
L
SURROUND
R
L
R
L
SURROUND BACK
SUB WOOFER CENTER
VIDEO
R
L
B
A
AUDIO
VIDEO1
VIDEO2
VIDEO3
VIDEO4
DVD FRONT
DVD/
6CH.
INPUT
SURROUND
CENTER
SUBWOOFER
PHONO
CD1
REC
OUT
PLAY
IN
MD/
TAPE1
REC
OUT
PLAY
IN
CD-R
REC
OUT
PLAY
IN
CD2/
TAPE2
MONITOR
CENTER
SPEAKER
(6­16
)
SURROUND
SPEAKERS
(6­16
)
FRONT SPEAKERS
(6­16
)
ANTENNA
GND
AM
FM 75
SYSTEM
CONTROL
SL16 TEXT
REMOTE
IR OUT
LCD
IR OUT LCD
REMOTE
IR RECEIVER
IN
IR RECEIVER
IN
IR REPEATER OUT/
DVD CONTROL
RF REMOTE
ANTENNA
C
R
L
R
L
A
B
DC12V 20mA
DC12V
20mA
PR/CR
PB/CB
Y
PR/CR
PB/CB
Y
PR/CR
PB/CB
Y
AC 120V 60Hz
SWITCHED TOTAL
90W 0.75A MAX.
Front glass
(B10-3639-02)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0190-05)
Knob *
(K29-)
Indicator
(B12-0392-14)
Knob *
(K29-)
Cylindrical receptacle
(E56-0026-05)
Pin jack
(E63-1121-05)
Pin jack
(E63-1128-05)
Retangular receptacle
(E58-0033-05)
Pin jack *
(E63-)
Oscillating module
(W02-2717-05)
Indicator
(B12-0391-14)
Panel *
(A29-)
Miniature phone jack *
(E11-)
Miniature phone jack *
(E11-)
Lock terminal board *
(E70-)
AC power cord bushing *
(J42-)
Pin jack *
(E63-)x3
Pin jack *
(E63-)
Pin jack *
(E63-)x2
AC outlet *
(E03-)
Screw terminal board
(E70-0131-05)
Pin jack *
(E63-)
Screw terminal board
(E70-0133-15)
Miniature phone jack
(E11-0347-05)
Pin jack *
(E63-)x2
Pin jack *
(E63-)
Pin jack *
(E63-)
Cylindrical receptacle *
(E56-)
Pin jack *
(E63-)
Miniature phone jack
(E11-0907-05)
Pin jack *
(E63-)
Pin jack *
(E63-)
Pin jack *
(E63-)
70%
AUDIO VIDEO SURROUND RECEIVER
© 2001-5/B51-5723-00 (K/K) 3164
* Refer to parts list on page 55.
KRF-X7775D/X7775D-S
SERVICE MANUAL
VR-5080/5090
Illust is KRF-5090.
Pin jack *
(E63-)
AC power cord *
(E30-)
Cylindrical receptacle *
(E56-)
Optic receiving module
(W02-2716-05)
Cylindrical receptacle *
(E56-)
Miniature phone jack *
(E11-)
background image
PHONES
THX
DOLBY DIGITAL
DTS
MPEG
D.R.I.V.E.
HDCD
¤ INPUT SELECTOR <
VOLUME CONTROL
DOWN
UP
AV - AUX
S VIDEO
VIDEO
L - AUDIO - R
CLIP
INDICATOR
ON/STANDBY
REMOTE
POWER
CD 2 / TAPE 2
MONITOR
SURROUND
BACK
96kfs
STANDBY
DISCRETE 6.1
MATRIX 6.1
NEO : 6
PRO LOGIC
DTS-ES
OPTICAL
VIDEO
4
VIDEO
3
VIDEO
2
CD-R
MD/
TAPE1
CD1
DVD
EXT.CONTROL
RS-232C
DIGITAL IN
COAXIAL
DIGITAL OUT
VIDEO
3 IN
COMPONENT VIDEO
DVD
IN
MONITOR
OUT
MONITOR
OUT
PLAY
IN
PLAY
IN
PLAY
IN
PLAY
IN
REC
OUT
REC
OUT
PLAY
IN
S VIDEO
VIDEO
PRE OUT
ZONE B PRE OUT
R
L
AUDIO
R
L
FRONT
R
L
SURROUND
R
L
R
L
SURROUND BACK
SUB WOOFER CENTER
VIDEO
R
L
B
A
AUDIO
VIDEO1
VIDEO2
VIDEO3
VIDEO4
DVD FRONT
DVD/
6CH.
INPUT
SURROUND
CENTER
SUBWOOFER
PHONO
CD1
REC
OUT
PLAY
IN
MD/
TAPE1
REC
OUT
PLAY
IN
CD-R
REC
OUT
PLAY
IN
CD2/
TAPE2
MONITOR
CENTER
SPEAKER
(6­16
)
SURROUND
SPEAKERS
(6­16
)
FRONT SPEAKERS
(6­16
)
ANTENNA
GND
AM
FM 75
SYSTEM
CONTROL
SL16 TEXT
REMOTE
IR OUT
LCD
IR OUT LCD
REMOTE
IR RECEIVER
IN
IR RECEIVER
IN
IR REPEATER OUT/
DVD CONTROL
RF REMOTE
ANTENNA
C
R
L
R
L
A
B
DC12V 20mA
DC12V
20mA
PR/CR
PB/CB
Y
PR/CR
PB/CB
Y
PR/CR
PB/CB
Y
AC 120V 60Hz
SWITCHED TOTAL
90W 0.75A MAX.
Front glass
(B10-3639-02)
Knob *
(K29-)
Panel *
(A60-)
Phone jack
(E11-0190-05)
Knob *
(K29-)
Indicator
(B12-0392-14)
Knob *
(K29-)
Cylindrical receptacle
(E56-0026-05)
Pin jack
(E63-1121-05)
Pin jack
(E63-1128-05)
Retangular receptacle
(E58-0033-05)
Pin jack *
(E63-)
Oscillating module
(W02-2717-05)
Indicator
(B12-0391-14)
Panel *
(A29-)
Miniature phone jack *
(E11-)
Miniature phone jack *
(E11-)
Lock terminal board *
(E70-)
AC power cord bushing *
(J42-)
Pin jack *
(E63-)x3
Pin jack *
(E63-)
Pin jack *
(E63-)x2
AC outlet *
(E03-)
Screw terminal board
(E70-0131-05)
Pin jack *
(E63-)
Screw terminal board
(E70-0133-15)
Miniature phone jack
(E11-0347-05)
Pin jack *
(E63-)x2
Pin jack *
(E63-)
Pin jack *
(E63-)
Cylindrical receptacle *
(E56-)
Pin jack *
(E63-)
Miniature phone jack
(E11-0907-05)
Pin jack *
(E63-)
Pin jack *
(E63-)
Pin jack *
(E63-)
70%
AUDIO VIDEO SURROUND RECEIVER
© 2001-5/B51-5723-00 (K/K) 3164
* Refer to parts list on page 55.
KRF-X7775D/X7775D-S
SERVICE MANUAL
VR-5080/5090
Illust is KRF-5090.
Pin jack *
(E63-)
AC power cord *
(E30-)
Cylindrical receptacle *
(E56-)
Optic receiving module
(W02-2716-05)
Cylindrical receptacle *
(E56-)
Miniature phone jack *
(E11-)
background image
KRF-X7775D/X7775D-S/VR-5080/5090
2
CONTENTS / ACCESSORIES
CONTENTS / ACCESSORIES .................................. 2
DISASSEMBLY FOR REPAIR....................................3
BLOCK DIAGRAM ......................................................5
ADJUSTMENT ............................................................6
WIRING DIAGRAM .....................................................8
PC BOARD ................................................................ 9
SCHEMATIC DIAGRAM .......................................... 22
EXPLODED VIEW ....................................................53
PARTS LIST..............................................................55
SPECIFICATIONS ....................................................69
Contents
RF
REMOTE
CONTROL
UNIT
RC-R0910
2WAY
LCD
REMOTE
CONTROL
UNIT
+
-
+
-
12
3
45
6
78
9
10
11
12
+10
0
+100
/
/
Batteries
AM Loop Antenna
(T90-0852-05)
FM Antenna
(T90-0855-05)
Battery cover(A09-1166-08)
Remote control unit
(A70-1453-05): RC-R0913...KP1K1P2
(A70-1454-05): RC-R0914...M1X1Y1V
(A70-1455-05): RC-0915.....E1E2
AC plug adaptor
* Refer to parts list.
*.............. (1)
Use to adapt the plug on
the power cord to the shape
of the wall outlet.
(Accessory only for regions
where use is necessary.)
(T90-0850-15)
U.S.A. only
Antenna ass'y
Accessories
Manufactured under license from Dolby Laboratories.
Dolby , Pro Logic , AC-3 , and the double-D symbol are
trademarks of Dolby Laboratories. Confidential Unpub-
lished Works. ' 1992-1997 Dolby Laboratories. All rights
reserved.
Manufactured under license from Digital Theater Sys-
tems, Inc. US Pat. No. 5,451,942 and other world-
wide patents issues and pending. DTS and DTS
Digital Surround are trademarks of Digital Theater
Systems, Inc. ' 1996 Digital Theater Systems, Inc.
All rights reserved.
, HDCD¤, High Definition Compatible Digital¤
and Pacific Microsonics
are either registered trade-
marks or trademarks of Pacific Microsonics, Inc. in
the United States and/or other countries. HDCD sys-
tem manufactured under license from Pacific Micro-
sonics, Inc. This product is covered by one or more
of the following: IN the USA: 5,479,168, 5,638,074,
5,640,161, 5,808,574, 5,838,274, 5,854,600,
5,864,311, 5,872,531, and in Australia: 669114. Other
patents pending.
TM
background image
KRF-X7775D/X7775D-S/VR-5080/5090
3
DISASSEMBLY FOR REPAIR
2 x8
3
4
5
6
1 x61
CN10
X07
C/5
X25
C/11
X25
B/11
CN102
CN16
CN103
X13
A/6
CN101
10 x2
10
11
10 x2
10 x2
7
8
9
X25
B/11
X11
A/2
X05
CN1
FRAME(A)
FRAME(C)
FRAME(B)
10 x2
12 x2
12
How to Remove the Front Panel
1. How to Remove the Front Panel
1. Remove the screws (
1X3) on top of the panel.
2. Remove the screws (
2X9) located at the the bot-
tom of the panel.
3. Disconnect the cable (
3) and connectors (4,5)
on the X13 A/6.
4. Disconnect the connector (
6) on the X07 A/5.
5. Cut the tie band (
7X7) as shown in the figure.
6. Remove the screw (
8X1) on the X25 F/11.
7. Disconnect the connector (
9 ) on the X25
G/11.(Except K/P type)
8. Remove the hooks (
0X2) on the sub panel.
9. Remove the front panel in the direction of arrow.
Disassembling the Rear Panel and
How to Replace the Power Transistor
1. Disconnect the CN10 on the X07 C/5.
2. Remove all of screws (
1X61) and digital caps
(
2X8) on the rear panel.
(The number of screws and caps are vary accord-
ing to the models).
3. Disconnect the cable CN16 (
3) on the X13 A/6.
4. Disconnect the flexible cables CN101(
4) on the
X25 C/11, CN102 (
5) and * CN103 (6)on the X25
B/11.
* (K/P type only).
5. Remove the rear panel in the direction of arrow.
6. Remove the screw (
7), then remove the X25 B/11.
7. To remove the tuner unit, disconnect the CN1 (
8)
and remove a screw (
9).
8. Remove the screws (
0X9) on the frames (A/B/C),
push rivet (
-) and PC support (=x2)on the X11
A/2.
HOOK
X13
(A/6)
CN3
CN2
CN1
AC CONNECTOR
(EXCEPT K/P)
X25
(F/11)
X25
(G/11)
X07
(A/5)
CN8
4
5
3
x3
1
x5
2
x7
7
x4
2
8
6
9
10 x2
background image
KRF-X7775D/X7775D-S/VR-5080/5090
4
DISASSEMBLY FOR REPAIR
9. To remove the frame A rearward, cut the tie bands
(
~X4) on the frames.
10. Remove a screw (
!), then remove a thermostat.
11. Remove the screws (
@X8), then remove a frame (D),
and X07 B/5.
12. To remove a power amplifier unit (X07 A/5), remove
the screws (
#x4), and a PC support ($x2).
13. Set up the X07 A/5 in the direction of arrow as shown
in the figure.
14. Replace the defective transistor.
15 x2
15 x2
15 x3
15
X07
B/5
FRAME(A)
FRAME(D)
X07
A/5
X07
A/5
16
16
16
16
17 x2
14
13 x4
background image
KRF-X7775D/X7775D-S/VR-5080/5090
5
BLOCK
DIAGRAM
REC OUT SW
TAPE2
REC BUFFER
OUTPUT MUTE
ON
DIG REC
200mV
36mV
200mV
200mV
INPUT SEL.
ZONE A
BUFFER
DIG REC OUT
(0dB or +6dB)
OPTICAL OUT
COAXIAL OUT
COAXIAL
OPTICAL
DIGITAL
INPUT SEL.
OPTICAL
COAXIAL
COAXIAL
OPTICAL
OPTICAL
COAXIAL
COAXIAL
OPTICAL
OPTICAL
COAXIAL
COAXIAL
OPTICAL
VIDEO2
VIDEO3
DVD(6ch IN)
VIDEO4
CD-R
MD/TAPE1
CD
AV AUX IN
200mV
INPUT SEL.
ZONE B
CD2
TAPE2 MON1
2.5mV
(38dB)
BUFFER
LINE
(0.-3.-6dB)
OFF -3dB
ON -6dB
BUFFER
INPUT ATT
BUFFER
(-6dB)
200mV
MAX:1.0Vrms
FL.FR
SUB
CENTER
SL.SR
SBL.SBR
(0dB)
50kHz LPF
1kHz LPF
(0dB)
(0dB)
(0dB)
(0dB)
50kHz LPF
50kHz LPF
50kHz LPF
SW ON
DIG
SW OFF
DIG
ANA
CONFIG-2
FILTER
ON
ANA TONE OFF
TONE
(0dB)
TONE
OFF
ATT OFF
ZONE B
LINE BUFFER
BUFFER
BUFFER
BUFFER
(+15dB)
SUB
6ch IN
CENTER
6ch IN
6ch IN
SL SR
6ch INPUT SEL.
SP B
CENTER
SL.SR
SBL,SBR
SUB
(4.7dB or 14.7dB)
(14.5dB)
(5.2dB or 15.2dB)
(5.2dB or 15.2dB)
(5.2dB or 15.2dB)
(5.2dB or 15.2dB)
A-10dB
GAIN
CONT
.
ZONE B
ZONE
B
B SOURCE
AMPLIFIER
(29dB)
AMPLIFIER
AMPLIFIER
(29dB)
(29dB)
F/C/SW
-MUTE
SP
B/S-MUTE
PRE
S-MUTE
PRE
ZB-MUTE
SUB-MUTE
RELA
Y
CS
RELA
Y
A
RELA
Y
B
OUTPUT MUTE
K5
K1
K3
K4
K2
Y
PB/CB
PR/CR
PB/CB
PR/CR
Y
6dB AMP
6dB AMP
75ohm DRIV.
B SOURCE
PAL
NTSC
75ohm DRIV
6dB
75ohm DRIV
6dB AMP
75ohm DRIV
NONE
CRAMP
NONE
CRAMP
L601(K/P/J)
L603(OTHERS)
OUTPUT MUTE
L601(K/P/J)
L602(OTHERS)
AC IN
RELAY POWER
FAST OFF
ATT ON
VIDEO2 REC
VIDEO1 REC
CD-R REC
MD/TAPE1 REC
MUTE
Q11,12
MUTE
Q1,2
IC4
CD2/TAPE2 REC
CENTER
SUB
SL.SR
L.R
DVD
6ch IN
IC32
VIDEO4 IN
CD1 IN
CD2/TAPE2 MONI
CD-R IN
MD/TAPE1 IN
IC22
VIDEO3 IN
VIDEO1 IN
VIDEO2 IN
FM AM
TUNER
IC1
EQ
PHONO IN
IC28
IC8.9
ADC
IC7
DIR
IC6
DSP
EP ROM
SDRAM
SDRAM
DAC
IC31
X08 IC32
X08 IC33
X08 IC34
DAC
DAC
DAC
IC11
X08
IC17
IC14
X08
X08
IC20
IC12,13
IC18,19
IC21,22
IC15,16
IC18,19
TONE
IC34
IC23
IC5
IC26
IC27 (2/2)
IC27 (1/2)
IC24
FL.FR
VOLUME
VOLUME
CENTER
SBL.SBR
VOLUME
VOLUME
SL.SR
SUB W
VOLUME
VOLUME
ZONE B
IC8
IC10
IC12
IC35
IC10
IC6
IC9
IC11
IC36
IC13
IC7
IC11
Q1,2
Q101
Q51,52
Q301-320
MUTE
PHONES
L.R
SL.SR
C
SL.SR
C
L.R
ZONE B-SPEAKERS
ZONE B
SW
SBL.SBR
B-SPEAKERS
A-SPEAKERS
PRE OUT
1V
IC23
IC24
VIDEO3
DVD
COMPONENT
Y
Cb
Cr
MONITOR OUT
X13,IC701-703 or X35,IC1-3
AV AUX
VIDEO4
VIDEO2
VIDEO3
VIDEO1
IC22
IC21
DVD/6ch
DECODER
4.43MHz
3.58MHz
IC5
X35
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
MONITOR
ZONE B
MUTE
MUTE
MUTE
MONITOR
ZONE A
VIDEO2 REC
VIDEO1 REC
OUT
COMPOSITE
SEPARATE C
DVD/6ch
VIDEO1
VIDEO3
VIDEO2
VIDEO4
AV AUX
IC602
VIDEO1 REC
VIDEO2 REC
MONITOR
MUTE
MUTE
MUTE
C OUT
AV AUX
DVD/6ch
VIDEO4
VIDEO2
VIDEO3
VIDEO1
SEPARATE Y
IC601
Y OUT
VIDEO2 REC
VIDEO1 REC
MUTE
MUTE
IC604
IC606
BPF
IC603
IC605
MUTE
TRAP
MONITOR
SYSTEM CONTROL
SL16 TEXT
TV POWER SENSOR
RELAY COMTROL
RS232C
RDS
TUNER
TONE ON/OFF
DIG.ANA.SEL.
INPUT ATT
REC OUT SW
ANALOG SW
ZONE A SEL.
ZONE B SEL.
SUB-MUTE
MUTE CONTROL
PRE S.SB
PRE ZONE B
SP SL.SR/B
FL.FR.C.SW
OUTPUT
TONE CONTROL
VOLUME CONTROL
RELAY A
RELAY POWER
RELAY B
RELAY CS
SP RELAY CONT.
FL
FL DRIVER
MAIN u-COM
SUB u-CON
LED DISPLAY
KEY MATRIX
RF/IR RECEIVER
DOOR MOTOR CONT.
FAN DRIVE
IR IN/OUT B
u-COM
IR IN/OUT A
I/V PROTECT DET.
THERMAL SENSOR
OUT POWER DET.
IR TRANSMIT
EP-ROM
DAC
DSP UNIT
DIR
DSP
ADC
VIDEO SELECTOR
DIG.INPUT SEL.
X25,ED1
X25,1IC
X13,IC3
X08,IC43
for VIDEO UNIT
+6V 1st AVR
+6V 1st AVR
for DSP UNIT
TONE CONTROL
VOLUME
ANALOG SW
for POWER AMP
60V SUPPLY
-35V AVR
for FL V-LOAD
FL FILAMENT
-15V 1st AVR
for u-COM
+30V for
RELAYS & FAN
BACK UP
5.6V AVR
IR RECEIVER
THERMAL SENSOR
u-CON CONTROL
X13,Q41
X13,Q45
X13,Q33,34
X07,D100
X07,Q407
X13,D71
X13,Q51
X13,IC1
POWER SUPPLY
OP AMP
17V AVR
SUB TRANS
MAIN TRANS
AUDIO SECTION
VIDEO SECTION
(X08-) , (X25- )
(X25- )
(X08- )
(X07- )
(X25- )
(X11- )
(X13- ) / (X35- )
(X11- )
(X13- )
VR-5080/5090/5700/5900
KRF-X7775D/X7775D-S/X9995D/X9995D-S

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