Block Diagram - Kenwood KR-V8090 Service Manual

1060VR/1070VR/KR-V8090/KR-V9090
QQ
3 7 6 3 1 5 1 5 0
TUNER
INPUT SELECTOR
PHONO INPUT
(X09) IC3
Ω
2.5mV/47k
NJU7313AL
OTHER INPUT
(X09) IC1
200mV/47k Ω
EQ AMP
(X09) IC4
(X09) IC2
NJU7312AL
PHONO
BUF
CD
TAPE1
ANALOG
Lch, Rch
PLAY VIDEO1
VIDEO2
VIDEO3
TAPE1
ANALOG
Lch, Rch
REC OUT
VIDEO1
T E
L 1 3 9 4 2 2 9 6 5 1 3
ADAPTOR
OUT
ADAPTOR
ADAPTOR
IN
ADP
IN 400mV/20kΩ
OUT 200mV/1kΩ
AV AUX
(FRONT)
AV AUX
ANALOG
Lch, Rch
X PLAY
1
(X08) J4
Lch
Rch
SURROUND
6ch
Lch
ANALOG
INPUT SURROUND
Rch
CENTER
DSP-SS
VIDEO SELECTOR
DSP-HREQ
SUB
(X08) IC1
DSP-RESET
WOOFER SN761200N
DSP-MI
DSP-MO
DSP-CK
VIDEO IN/OUT
DSP-GP100
1Vp-p/75Ω
VIDEO1
TUNER
COMP VIDEO
VIDEO2
S LEVEL
PLAY
VIDEO3
STEREO
(X08) Q5
T MUTE
BUF
PLL DATA
VIDEO1
PLL CLK
REC
PLL CE
www
PLL DO
(X08) Q6
CH SPACE
BUF
MONITOR
OUT
.
6
(X14) S37,38
SEL/VOL
ENCODER
(E,T,Q TYPE)
4
4.332MHz
RDS
(X05) (X08) IC40
SAA6579
2
TUNER
UNIT
9
B
SRAM
(X08) IC29
W24257AK-15
(X08) IC21
MCLK
MA0-MA7
MD0-MD3
MCAS
16
MRAS
12.288
MHz
MWR
MRD
(X08) IC17(1/2)
(X09) IC7(1/2)
ANALOG
BUF
L,Rch
A/D DSP
(X08) IC26
(X08) IC18
BUF
DSP56004FJ66
CS5331
(X08) IC17(2/2)
3 SDATA, SCLK, LRCK
(X09) IC7(2/2)
3 SDATA, SCLK, LRCK
FRONT L
FRONT R
X
2
(X08) IC12
NJU7311AM
FL
21kHz LPF
D/A
(X08) IC15
(X08) IC19
FR
CS4331 21kHz LPF
S
21kHz LPF
D/A
(X08) IC16
(X08) IC20
C
CS4331
21kHz LPF
Lch
Rch
SURROUND Lch
DSP u-COM SURROUND Rch
A
DSP-SS
CENTER
DSP-HREQ
DSP-RESET
SUB WOOFER
DSP-MI
DSP-MO
DSP-CK
DSP-GP100
FL
B u-COM u-COM C DRIVER
S LEVEL FL DIN FL DOUT
SD SD FL DOUT FL DIN
KR-V9090/1070VR
STEREO FL STB FL STB
T MUTE FL CLK FL CLK
PLL DATA
PLL CLK
PLL CE
PLL DO
CH SPACE KR-V8090/1060VR
X 3 (X08) IC28
x a o
K,P,Y,C TYPE CXP82840-124Q
y
E,T,Q TYPE
CXP82852-108Q
i
8

BLOCK DIAGRAM

(X14) D3-5
LED SCAN 8
KEY
STAND BY
MATRIX
FL DRIVER
RETARN 5
MUTE
(X14) IC1 (X14) ED1
uPD16311
LEVEL FL
INDICATOR
(X14) A1
C
REMOCON
4
VIDEOA, VIDEOB, VIDEOC, VIDEOD
VIDEO SELECTOR
SDATA, SCLK, STB1, STB2
STB1 INPUT SELECTOR
(X09) IC3
(X09) IC4
(X08) IC2
STB2 (X08) IC12
SDATA, SCLK, TSTB, VSTB
TONE, VOLUME
4MHz 8MHz
u-COM
A (X08) IC28
7
X 3
(X08) IC2
NJU7311AM
Q Q
3 7 6 3
FRONT L
FRONT R
TONE
(X08) IC13
TC9184AP
SURROUND L
SURROUND R
CENTER
(X08)
IC4 (2/2) AMP
(X08) IC11
100Hz LPF 100Hz LPF
60dB
(X08)
IC4 (1/2)
SUB WOOFER
X X
1 2
SURROUND SPEAKERS
6ch ANALOG INPUT (X08) IC12
YES YES
(E,T) TYPE
SLch
POWER AMP
Lch
RELAY S
NO NO SURROUND
SPEAKERS
u 1 6 3
Rch
.
2 4
9 9
(X09) IC8 (X09) D111,116
u-COM (+5V)
AVR + ~
GND
- ~
F1
F2
(X08) IC24,25 (X09) IC6 (X09) D17-20
+5V (DIGTAL)
AVR AVR + ~
GND
- ~
+17V(SELECTOR)
(X08) Q8 (X09) Q1 (X09) D5-8
+5V (VIDEO SEL)
AVR AVR + ~
- ~
GND
(X08) Q7
-5V (VIDEO SEL)
AVR
(X09) Q2
-17V (SELECTOR)
AVR
(X09) Q6
-30V(FL DRIVER)
(X09) D3
AVR
POWER AMP
+ ~
POWER AMP
- ~
(X09) D11,12
(X09) D2
POWER AMP
+ ~
POWER AMP
- ~
GND
(X09) D1
+ ~
- ~
(X09)
K5
RELAY PW
FINAL
TR.
(X09) Q81,83
Lch
(X09) Q9 (X09) Q11
1 BUF 5 1 5 0 POWER AMP 8 9 2
-20dB ATT MUTE
VOLUME1
(X08) RELAY A (X09)
Rch
(X08) IC5
IC6 K1
POWER AMP
TC9412AP
(X09) Q10 (X09) Q12
BUF (X09) Q82,84
-20dB ATT MUTE
X
USED KR-V9090/1070VR
4
(X09) Q87,89
(X09)
SLch
(X09) Q41
(X09) Q39
K2(1/2)
BUF POWER AMP
MUTE
-20dB ATT
VOLUME2
(X08)
RELAY S
SRch
IC8
(X08) IC7
POWER AMP
TC9413P
(X09)
(X09) Q40 (X09) Q42
BUF (X09) Q88,90
K4(1/2)
-20dB ATT MUTE
(X09)
CENTERch
(X09) Q30 (X09) Q31
BUF POWER AMP K2(2/2)
-20dB ATT MUTE
VOLUME3
(X09) Q85,86
(X08) RELAY C
(X08) IC9
IC10
TC9413P
(X09) Q79
(X09) Q74
AMP
MUTE
-20dB ATT
17.7dB
RELAY B (X09)
K3
X
4
X
4
OTHERS TYPE
SLch
POWER AMP
m
Lch
RELAY S
SURROUND
SPEAKERS
c o
Rch
KR-V9090/1070VR
KR-V8090/1060VR
2
8 9 9
STROKE SW
(X09)
K6
(X14) J1
PHONES
4 9 8 2 9 9
Lch
FRONT
SPEAKERS A
SP OUTPUT
Rch
[KR-V8090/1060VR]
L,R,Cch 29.7V/8Ω
SL,SRch 21V/8Ω
[KR-V9090/1070VR]
L,R,Cch 31V/8Ω
SL,SRch 21.9V/8Ω
Lch
SURROUND
SPEAKERS
Rch
CENTER
SPEAKER
Lch
SPEAKERS B
Rch
Lch
SURROUND
SPEAKERS
Rch
PRE OUT
CENTER
SPEAKER
SUB
WOOFER