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KRF-V7510D/V8010D/VR-208/209
6
BLOCK DIAGRAM
IC2
2
+
470uF
3300uF
ONLY
for 100W
2200uF
470uF
3300uF
ONLY
for 100W
4700uF
3300uF
for 50W
3300uF
4700uF
for 50W
+
+
+
+
+
L/R
LS/RS
C
DIR
SW
RS
LS
C
R
L
LS, RS
C
SW
BYPASS
2
2
+
+
AD
DA
LFE
L, R
L, R
(X08)
(X09)
(X08)
(X00)
(X14)
VR-209
D3-6
or
20.0V/8
IC12
IC11
IC11
IC12
IC10
IC10
(2/2)
(2/2)
(1/2)
(1/2)
(2/2)
(1/2)
T1
D1-4
CONVERTER
DIR
DA&AD
TC9162AF
UNIT
INPUT SEL.
IC7(3/3)
ED51
IC51
K3
2
2
DOL.DIG,P.LEVEL)
(SDATA, SBUSY)
SYNCHRO
PROTECTION
(DATA, CLK)
E2ROM
5
8
TUNER
PLLDT, PLLDO, PLLSD,
STEREO, SLEVEL)
RESET
(SCK,SI,SO,IC)
3
3
(VIDEO A, VIDEO B,
VMUTE)
RELAY C, RELAY S)
VIDEO
E-VOL
(VOL STB, VOL CLK,
VOL DT)
10dB ATT
MUTE
(TMUTE, PLLCE, PLLCLK,
(STANDBY
4
RELAY
(RELAY FA, RELAY FB,
POWER RELAY
u-COM
CXP82532-141Q
AC-3
LED
7
8
3
11
GRID
SEGMENT
KEYSCAN
KEY RETURN
FL
KEY MATRIX
REMOCON IN
ROTARY ENC
6
28.3V/8
SP. 5ch OUTPUT
PRE OUT
C, SL, SRch
SWch
2V/2.2K
1V/2.2K
K2
K4
K1
IC3
IC4
Q16
Q12
Q11
Q13
Q10
Q9
Q8
Q6
Q5
Q7
Q4
Q3
IC9
IC5
IC19,20
HPF
IC13
IC12
IC16
IC17
(1/2)
IC15
(1/2)
IC14
(2/2)
IC15
(2/2)
IC14
IC2
IC1
Q2
IC10
-30V A.V.R
IC2
IC1
D5
D2
D1
S1
SWITCHED
Q1
K1
(ONLY for J, E, T TYPE)
VIDEO SEL
IC6(3/3)
IC8
IC11
IC7(2/3)
IC6(2/3)
IC7(1/3)
VIDEO IN/OUT
IVP-P/75
OUT
IN
200mV/2.2K
200mV/47K
AUDIO
IC6
IC22
(2/2)
IC22(1/2)
IC23(1/2)
IC23(2/2)
IC21
PHONO
2.5mV/47K
IC6(1/3)
IC5
IC3
J1
A1
TC9164AF
TC9163AF
for RELAY SW
for
ONLY for 100W
AMP (LOW TAP)
for AMP (HI TAP)
TUNER
(AUDIO and VISUAL)
for FIL
for DSP, AD/DA, DIR
for u-COM (-30V)
for E. VOL
for
for E. VOL
5V
A.V.R
-7V
+7V
+5V
-15V
A.V.R
A.V.R
+15V
u-COM
for
A.V.R
+5V
AC IN
SP-A
SP-B
REC OUT
SWch
Cch
SRch
SLch
SRch
SLch
Rch
Lch
Cch
Rch
H, P, Lch
H, P, Rch
Lch
REC
OUT
OUT
REC
PLAY
MONITOR
VIDEO1
VIDEO1
VIDEO2
VIDEO3
VIDEO1
TAPE1
/MD
TAPE2
/MONI
PLAY
/MONI
TAPE2
/MD
TAPE1
PHONO
CD
VIDEO1
VIDEO2
VIDEO3
DIGITAL
IN
VIDEO2
OPTICAL
COXIAL
VIDEO3
-B LOWTAP
+B LOWTAP
-B HITAP
+B HITAP
MUTE
10dB ATT
or
STK407-290
STK410-030
or
STK411-230
STK407-090
BUF
x0.5
SWch
RSch
LSch
Cch
Rch
x0.6
ATT
HPF
HPF
x0.5
ATT
DSP
YSS248
MIXx2
BUF
IC18
SW LPF
SW MIX
x1
x0.3
x0.3
x0.6
x1
x2
x2
x2
LPF
LPF
LPF
LPF
ATT OFF
ATT 1
ATT 2
CS4226
NJM2279M
IC4
TUNER
PHONO EQ
LINE BUF
Lch
TONE CONT.
with
6ch E. VOL
M62446SP
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
VR-208(K)
COVER-2P(
98.4.24
16:32
y[W
11