Kenwood KRF-V7070D, Schematy elektroniczne(2)

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AUDIO VIDEO SURROUND RECEIVER
KRF-V7070D/V7070D-S//V8070D
KRF-V8070D-S/X9070D/X9070D-S
VR-7060/7070/7080
SERVICE MANUAL
© 2003-2 PRINTED IN KOREA
B51-5843-00 (K/K) 3172
Panel *
(A60-)
Knob ass'y *
(K29-)
Front glass *
(B10-)
Knob ass'y *
(K29-)
Knob(VOLUME) *
(K29-)
VOLUME CONTROL
STANDBY
DSP
DOLBY DIGITAL
ON/STANDBY
A SPEAKERS B
SPEAKER EQ
ACTIVE EQ
DTS
CS
II
LOUDNESS SPEAKER EQ
ACTIVE EQ
DSP
STEREO
INPUT MODE DIMMER
DOWN
UP
MUTE
POWER
DVD/6CH
CD/DVD
PHONO
TUNER
MULTI CONTROL
LISTEN MODE
SOUND TONE SETUP
AV AUX
ON
OFF
PHONES
S VIDEO
VIDEO
L-AUDIO-R
VIDEO 1
VIDEO 2
VIDEO 3
MD/TAPE
BAND AUTO MEMORY
Knob(BUTTON) *
(K27-)
Phone jack
(E11-0271-05)
Dressing panel *
(A21-)
Knob *
(K29-)
Pin jack
(E63-1251-05)
Cylindrical receptacle
(E56-0033-05)
Pin jack
(E63-1080-05)
Cylindrical receptacle
(E56-0042-05)
Optical receiving module
(W02-2731-05)
Tuner ass'y *
(W02-)
Miniature phone jack
(E11-0293-05)
Cylindrical receptacle
(E56-0040-05)
Metallic cabinet *
(A01-)
AC power cord *
(E30-)
SYSTEM CONTROL
COAXIAL
OPTICAL
CD/DVD
ANTENNA
VIDEO 2
DVD/6CH
AM
DIGITAL IN
SPEAKERS(8-16)
S VIDEO
GND
FRONT A
CENTER
SURROUND
S VIDEO
IN
VIDEO
IN
DVD
VIDEO
VIDEO
IN
VIDEO
MONITOR
OUT
OUT
IN
RED
WHITE
GREEN
R
GRAY
BLUE
L
AC OUTLETS
FM
75
VIDEO
+
+
-
-
+
IN
IN
REC OUT
PLAY IN
REC OUT
PLAY IN
PLAY IN
PLAY IN
CENTER
SUB WOOFER
-
+
-
-
+
R
L
R
FRONT B
L
150W 1.25A MAX.
SWITCHED TOTAL
REC OUT
PLAY IN
PLAY IN
VIDEO 2
VIDEO 3
PLAY IN
FRONT
SURROUND
SUB WOOFER
SURROUND BACK
GND
PHONO
CD/DVD
MD/TAPE
DVD/6CH.INPUT
PRE OUT
VIDEO 1
Pin jack
(E63-1317-05)x2
Pin jack
(E63-1317-05)x2
Pin jack
(E63-1248-05)
Pin jack
(E63-1247-05)
Lock terminal board
(E70-0161-05)
AC outlet *
(E03-)
Pin jack
(E63-1293-05)x2
Screw terminal board
(E70-0150-05)
AC power cord bushing
(J42-0349-05)
Illust. is KRF-V7070D.
70%
* Refer to parts list on page 29 .
 KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080
ACCESSORIES / CAUTIONS
Accessories
FM indoor antenna (1)
(T90-0877-05)
AM loop antenna (1)
(T90-0893-05)
RF remote antenna (1)
Refer to the table on this page below.
Batteries (R6/AA) (2)
There is a different shape of remote control in every area.
REMOTE CONTROL vs MODEL
MODEL
ABBRI.
PARTS #
BATTERY COVER
KRF-V7070D
E7
7
A70-1623-05 A09-1274-08
KRF-V7070D-S
E1
A70-1623-05 A09-1274-08
VR-7060
K6
A70-1622-05 A09-1274-08
VR-7060
P6
8
A70-1622-05 A09-1274-08
KRF-V8070D
E8
A70-1623-05 A09-1274-08
KRF-V8070D-S
E2
A70-1623-05 A09-1274-08
KRF-X9070D
Y1
A70-1619-05 A09-1275-08
KRF-X9070D
E9
A70-1621-05 A09-1274-08
KRF-X9070D-S
E3
A70-1621-05 A09-1274-08
VR-7070
K7
9
A70-1620-05 A09-1274-08
VR-7070
P7
A70-1620-05 A09-1274-08
VR-7080
K8
A70-1619-05 A09-1275-08
VR-7080
P8
A70-1619-05 A09-1275-08
Cautions
Resetting the Microcomputer
The microcomputer may malfunction (unit cannot be operated, or
shows an erroneous display) if 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
microcomputer and return the unit to its normal operating
condition.
Memory back up function
Please note that the following items will be deleted from the unit's
memory if the power cord is disconnected from the AC outlet for
approximately 1 day.
• Power mode.
• Input selector settings.
• Picture output.
• Speaker ON/OFF.
• Volume level.
• BASS, TREBLE, INPUT level.
• TONE ON/OFF.
• LOUDNESS ON/OFF.
• Dimmer level.
• MD/TAPE settings.
• Listen mode setting.
• Speaker settings.
• SW RE-MIX ON/OFF.
• Distance setting.
• Bass peak level.
• Input mode setting.
• M idnight mode setting.
• PRO LOGICII mode setting.
• CS II mode setting.
• Broadcast band.
• Frequency setting.
• Preset stations.
• Tuning mode.
• THX mode.
• DSP mode.
• ACTIVE EQ mode.
• SPEAKER EQ mode.
• 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.
Unplug the power cord from the wall outlet, then plug it
back in while holding down the POWER ON/STANDBY
key.
2
KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080
EXTERNAL VIEW / ADJUSTMENT
EXTERNAL VIEW
Knob
(K29-8107-02)
Panel *
(A60-)
Knob ass'y *
(K29-)
Front glass *
(B10-)
Knob ass'y *
(K29-)
Knob *
(K29-)
VOLUME CONTROL
POWER
THX
DOLBY DIGITAL
ON/STANDBY
SPEAKER EQ
ACTIVE EQ
DTS
CS
II
A SPEAKERS B
THX
SPEAKER EQ
ACTIVE EQ
DSP
STEREO
INPUT MODE DIMMER
DOWN
UP
MUTE
DVD/6CH
CD/DVD
PHONO
TUNER
MULTI CONTROL
LISTEN MODE
SOUND TONE SETUP
AV AUX
PHONES
S VIDEO
VIDEO
L-AUDIO-R
VIDEO 1
VIDEO 2
VIDEO 3
MD/TAPE
BAND AUTO MEMORY
Phone jack
(E11-0271-05)
Knob
(K29-8111-02)
Knob *
(K29-)
Pin jack
(E63-1251-05)
Cylindrical receptacle
(E56-0033-05)
Illust. is VR-7060.
* Refer to parts list on page 29 .
ADJUSTMENT
No.
ITEM
INPUT
OUTPUT
RECEIVER
ALIGNMENT
ALIGN FOR
FIG.
SETTINGS
SETTINGS
SETTINGS
POINTS
AUDIO SECTION
SPEAKER : A
<1>
IDLE CURRENT
-
CN11, FL ch.
CN10, FR ch.
CN14, SL ch.
CN13, SR ch.
CN12, C ch.
CN15, SW ch.
X09(A/5)
(FRONT 2ch
MODE)
Volume:
Minimum
VR1(FL)
VR2(FR)
VR3(SL)
VR4(SR)
VR5(CENTER)
VR6(SUB
WOOFER)
X09(A/5)
Adjust every
potentiometer
10 minutes later
after turned
the power on.
Idling Current Adjustment
All power amplifier stage need idling current adjustment after the installation of TRAIT transistor.
1. Connect a voltmeter to CN11 with the correct polarity as indicated by the PCB silk print.
2. Adjust the preset, VR1 to get 8.8mV (Idling current = 20mA) at the voltmeter reading.
3. Repeat step 1 and 2 for all other channels.
3
STANDBY
 REC
OUT
EXCEPT
KRF-V7070D/-S
ROOM B
L
1
VIDEO1
VIDEO2
DVD
WH1
REC
OUT
ROOM B
J61
PLAY IN
VIDEO
PLAY IN
PLAY IN
2
J68
R
PLAY
Rch
IN
VIDEO1
VIDEO
COMPOSITE
(X14- ) (F/11)
J66
J67
FL
J65
1
2
WH2
VIDEO2
PLAY IN
PLAY
VIDEO3
PLAY IN
MONITOR
IN
OUT
UNIT
FR
KRF-V7070D/-S
J301
Lch
SPEAKERS
J302
SL
VIDEO3
PLAY IN
ONLY
SPEAKER UNIT
(X25- ) (B/2)
SR
PRE OUT
SURROUND BACK/
SUB WOOFER
J62
DVD
6
6
S-VIDEO UNIT
PLAY IN
MONITOR
WH69
(X14- ) (G/11)
SBL
E601
E602
OUT
CN68
CN65
CN67
WH66
1
1
SBR
1
4
4
1
5
1
21
C
ROOM B
OUT
J63
J303
SW
VR-7070
KRF-X9070D/-S
VR-7070
VR-7080
IR IN
EXCEPT
KRF-V7070D/-S
CN302
CN304
CN303
VR-7080
ONLY
1
4
VOLTAGE SELECTOR
CN301
6
1
4
1
21
1
19 1
4
1
4
ONLY
Cr
CN101
W108
W110
W109
W106
W107
W105
WH42
(X14- ) (J/11)
CN2
WH3
3
Cr
S1
1
3
EXCEPT
KRF-X9070D/-S
CN2
J201
(X14- )
I/C AVR
Cr
KRF-V7070D/-S
VR-7070/7080
ONLY
F3
110-120V
1
MONITOR
OUT
(E/11)
(X14- ) (D/11)
T4A L250V
CN3
J102
Cb
Y
4
1
S-VIDEO
Cb
220-240V
21
19
11 4
CN4
CN5
WH1
P3
Lch
WH4
WH221
DVD &
CN41
CN1
WH1
J101
Lch
VIDEO IN
31
5
1
J21
31
PHONO
/AUX
IR OUT
Cb
SPEAKERS
COMPONENT VIDEO UNIT
P1
Rch
J6
FRONT B
EXCEPT
(X25-6490-14) (A/2)
KRF-X9070D/-S
Rch
AV-AUX
Lch
Y
(X25-6490-14)
J202
Lch
POWER
J11
Rch
VR-7080
DESTINATION
TRANSFORMER
Lch
VR-7070
SPEAKERS
MODEL NAME
UNIT No.
SW
EUROPE
COUNTRY
E2
ABB.
J20
FRONT A
KRF-V8070D-S
CD
Y
0-13
KRF-V8070D
EUROPE
E8
J4
COM
Rch
J5
Rch
KRF-X9070D-S
KRF-X9070D
EUROPE
EUROPE
E3
E9
SB
2-72
PX
Y1
2-72
Lch
FRONT AUX.
(X14- ) (H/11)
Lch
U.S.A.
K8
P8
Cch
CENTER
VR-7080
0-14
POWER
CANADA
MD/TAPE
SURROUND
TRANSFORMER
U.S.A.
K7
P7
WH20
REC
VR-7070
VR-7060
0-14
7
1
CANADA
CANADA
Rch
FL
Rch
1
U.S.A.
K6
0-13
CN3
P6
J12
J7
7
CN202
1
(Y)TYPE ONLY
3
Lch
Lch
FR
P201
POWER TRANSFORMER
MD/TAPE
PLAY
SPEAKERS
(L07-3138-05) : VR-7060
5
(L07-3240-15) : VR-7070/7080
FRONT B
SL
Rch
CN1
(L07-3241-05) : KRF-X9070D(Y) TYPE
Rch
DVD/6ch
SR
J3
(L07-3251-05) : KRF-X9070D/-S(E)TYPE
1
1
DSP UNIT
CN1
(L07-3252-05) : KRF-V7070D/V7070D-S
Lch
2
DVD
EXCEPT
CD/DVD
A1
(X08-3130-10)
KRF-V8070D/V8070D-S
KRF-V7070D/-S
ONLY
(Y) TYPE
(X09-6760-10)
VIDEO 1
REC
COAXIAL IN
J1
C
DESTINATION
6dB
(X09- ) (E/5)
MODEL NAME
UNIT No.
1
VIDEO2
OPTICAL IN
COUNTRY
ABB.
4
3
2
1
Rch
PRE AMP
KRF-V7070D-S
EUROPE
EUROPE
EUROPE
EUROPE
EUROPE
EUROPE
E1
2
1
POWER SWITCH
(X14-) (K/11)
J21
WH2
KRF-V7070D
E7
E2
E8
E3
2-73
2-72
(X08-3130-10)
SW
KRF-V8070D-S
KRF-V8070D
5
8
7
6
DESTINATION
EUROPE
Lch
WH7
CN8
EXCEPT
MODEL NAME
KRF-V7070D-S
UNIT No.
0-10
S2
VIDEO3
CN46
A2
KRF-V7070D/-S
COUNTRY
ABB.
E1
KRF-X9070D-S
VIDEO 1
PLAY
2-71
12
12
12
J800
E9
WH5
WH6
9
KRF-V7070D
EUROPE
EUROPE
E7
KRF-X9070D
PX
Y1
2-91
10
KRF-V8070D-S
KRF-V8070D
E2
E8
10
Rch
POWER AMPLIFIER UNIT
(X09-6760-10) (A/5)
VR-7080
U.S.A.
CANADA
U.S.A.
CANADA
U.S.A.
CANADA
K8
P8
K7
P7
0-10
VR-7070
EUROPE
0-11
SYSTEM
OPT OUT
A3
VR-7080
ONLY
KRF-X9070D-S
EUROPE
E3
0-12
KRF-X9070D/-S
VR-7070
0-10
CONTROL
EUROPE
E9
0-12
Lch
1
VR-7080
1
KRF-X9070D
1
2
2 1
1
2
PX
Y1
0-23
0-12
EXCEPT
K6
P6
VR-7070
CN47
CN49
WH5
VIDEO 2
VR-7060
0-11
CANADA
U.S.A.
K8
(K,P) TYPE
ONLY
VR-7080
VR-7070
P8
K7
P7
EXCEPT
Rch
U.S.A.
CANADA
(Y) TYPE
J22
T1
3
S800
U.S.A.
K6
CHANNEL
VR-7060
0-11
CN48
CN4
CN3
Lch
50kHz
SPACE
SWITCH
CANADA
P6
1
VIDEO 3
(Y)TYPE
(Y) TYPE
ONLY
100KHz
Rch
ONLY
(K,P,Y) TYPE ONLY
J2
WW
CN10
CN11
CN12
CN13
CN14 CN15
E22
21
21
12
1
2
1
2 1
212 12 5
1
9
CN7
1
15
CN6
1
1
CN5
10
1
CN4
13
EXCEPT
KRF-V7070D/-S
WH21
WW
(E) TYPE ONLY
J3
9
1 1
15
1
10
1
13
1
7
5
1
AC/STD. TRANS
(X14- ) (I/11)
WH91
WH92
WH88
WH89
VOLUME
WH87
5
1
3
1
1
3
WH94
1
1
E21
SELECTOR
(X14- ) (B/11)
CN70
WH70
(X14-7630-10)
VR-7060
VR-7070
1
TUNER PCB
(X09- ) (B/5)
1
DESTINATION
UNIT No.
FM
TUNER ASSY
DISPLAY PCB
(X14-7630-10) (A/11)
MODEL NAME
COUNTRY
ABB.
ONLY
75
GND
(W02-2974-05) : K,P TYPE
KRF-V7070D-S
EUROPE
EUROPE
EUROPE
EUROPE
E1
E7
E2
CN21
CN22
(W02-2975-05) : Y TYPE
WH93
2-73
2-72
KRF-V7070D
STANDBY
(X14- ) (C/11)
1
3
(W02-2976-05) : E TYPE
KRF-V8070D-S
EUROPE
SWITCH
CN80
AM
WH80
9
KRF-V8070D
KRF-X9070D-S
KRF-X9070D
E8
E9
3
1
P2
9
EUROPE
E3
15
15
2-71
PX
Y1
2-91
U.S.A.
K8
VR-7080
0-10
CANADA
P8
7
7
F1
F2
U.S.A.
K7
HEADPHONE PCB
(X09- ) (C/5)
1
3
1
3
VR-7070
VR-7060
CANADA
P7
K6
0-10
0-11
WH78
CN50
CN12
CN11
CN51
WH90
CN22
CN21
J501
U.S.A.
: T4A L250V
EXCEPT (K,P) TYPE
(K,P) TYPE : 10A 125V
EXCEPT (K,P) TYPE
1
CANADA
P6
: T2.5A L250V
CN45
1
PHONES
P501
1
2
VR-7060/7070/7080
KRF-X9070D/-S,KRF-V8070D/D-S,KRF-V7070D/D-S,KRF-V7070D/D-S
MONITOR
2
1
5
3
2
6
4
1
4
7
5
8
6
5
1
6
3
7
5
4
8
6
1
1
2
9
7
0
8
7
3
5
8
4
6
5
9
6
0
3
5
7
4
6
8
1
1
2
2
9
7
0
8
8
8
2
E
E
2
6
8
7
2
2
6
6
7
1
8
3
4
4
4
8
0
1
2
6
0
7
B
B
6
7
9
8
2
7
1
7
6
0
8
8
6
8
m
0
0
m
6
4
m
5
5
1
2
3
3
0
4
3
1
5
7
7
1
6
7
4
7
9
5
2
9
1
8
1
5
1
5
3
4
4
3
E
3
9
2
1
B
1
0
B
9
8
0
B
E
6
0
4
5
E
7
6
5
4
3
5
7
E
8
B
1
9
1
0
1
5
3
0
0
1
9
2
9
0
K
3
9
1
4
4
2
4
3
5
0
4
9
3
1
B
2
4
8
2
9
5
4
0
2
2
3
2
1
1
2
2
1
2
2
E
1
1
0
9
5
1
2
9
4
0
4
8
1
m
1
7
2
5
9
6
2
7
7
3
1
2
3
1
6
3
2
2
4
1
0
3
5
1
4
5
3
6
0
7
1
4
8
3
4
6
7
5
3
5
8
3
5
0
2
3
7
0
3
6
9
1
5
6
0
6
2
1
7
1
5
1
3
1
2
1
6
6
1
1
2
4
0
6
2
9
5
9
3
8
B
6
4
B
B
0
3
6
B
3
5
6
4
B
5
3
8
8
2
6
4
5
3
0
3
5
2
1
E
4
5
E
E
2
E
E
4
3
1
4
8
0
6
8
2
4
8
0
6
8
2
7
9
7
3
4
5
9
8
0
6
8
3
3
2
7
9
3
5
7
1
B
2
4
2
3
0
4
3
5
3
1
B
2
3
6
3
8
1
3
1
9
B
3
B
2
4
1
B
B
B
B
E
0
B
B
0
6
2
0
0
6
6
2
0
3
E
7
0
6
B
1
9
7
6
2
9
9
4
B
E
2
0
0
6
1
3
9
9
5
5
2
E
E
E
3
1
8
E
B
7
9
5
7
5
E
E
5
B
B
B
B
E
E
B
B
E
9
4
E
0
6
8
0
B
3
8
8
4
B
5
7
1
7
3
6
8
2
4
3
7
1
8
2
6
8
0
6
4
5
7
4
9
5
3
1
3
5
E
5
E
B
B
6
E
E
E
7
E
1
9
9
5
5
E
5
B
B
9
9
2
5
9
3
8
B
E
B
B
B
8
9
9
0
0
5
0
B
B
7
8
6
8
6
4
8
8
6
9
2
6
6
8
4
3
7
9
7
9
E
E
6
7
1
1
2
2
B
6
7
4
9
E
E
B
B
E
E
E
5
E
B
3
5
7
E
E
9
3
7
7
6
5
B
B
2
1
5
3
E
7
2
6
2
8
5
1
4
4
5
9
9
0
0
7
5
E
E
4
5
7
7
8
2
4
8
4
2
E
5
4
4
8
2
B
E
1
6
9
5
E
7
5
7
4
8
4
3
0
7
0
3
7
1
8
2
3
4
2
4
8
2
4
1
3
7
0
3
1
3
9
E
2
5
1
8
2
5
0
1
1
3
7
8
0
8
1
7
7
E
E
E
E
E
4
7
3
8
8
7
3
5
7
5
3
E
2
7
5
6
B
B
B
6
2
B
9
B
1
B
3
6
8
3
1
7
5
8
6
9
1
9
5
3
9
5
6
7
7
8
0
4
7
2
4
6
8
4
2
6
4
8
6
0
5
1
5
3
9
7
1
5
3
1
5
2
0
3
6
4
5
3
2
1
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