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Kenwood KRF-V4550D Service Manual page 3

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J1
IC5
VIDEO2
(VIDEO2/MONI.)
COXIAL
DIGITAL
IN
DVD
DIGITAL
6ch INPUT
AUDIO
COXIAL
RECEIVER
DIR
AK4110
A1
CD/DVD
OPTICAL
J3
AUDIO IN/OUT
DVD
6ch INPUT
(X07)
REC OUT BUF.
TUNER
CIRCUIT
6dB/9dB
IC107
PHONO EQ
/12dB ATT
IC105
PHONO
CD
PLAY
MD
/TAPE
LINE BUF
MONI
(VIDEO2/
MONI.)
VIDEO1
ANALOG REC
VIDEO1
DIGITAL REC
REC
TAPE
OUT
/MD
MONI.
(VIDEO2
/MONI.)
IC2
IC51
BUF
AD
AK4527
DSP
DA
x0.5
LFE
C
LS/RS
L/R
IC2
CODEC
LPF
LPF
LPF
LPF
(ADC&DAC)
x2
x2
x2
x1
MIX
SUB
#S5
DIG
NOSUB
#S2
LS,RS
#S7
#S3
2
2
(X14)
IC4
RDS
BU1923F
for AMP (HI TAP)
+
4700uF
+
4700uF
for AMP (LOW TAP)
+
Q54
3300uF
-30V
+
A.V.R
for
3300uF
u-COM
for RELAY SW
+7V
+5V
for E. VOL
-7V
IC103
+15V
A.V.R
+
for INPUT SEL.
2200uF
(AUDIO & VISUAL)
TUNER etc.
+
IC104
470uF
-15V
A.V.R
IC45
5V
A.V.R
+
for DSP. AD/DA.
2200uF
DIR etc.
IC46
3.3V
A.V.R
5V
for DSP
A.V.R
for FIL AC
(X08)
ANA
#S1
6ch E. VOL
with 2ch
TONE CONT.
ANALOG 6ch
INPUT SELECTOR
IC15
IC14
M62446SP
2
L, R
L
R,L
#S4
R
2
C
LS,RS
LS
C
RS
SW
SW
BYPASS
L, R
SYNC
J75
IC1
TACT KEY
MAIN
LED
u-COM
ENCODER
ED1
FL
HNA-11MS24
D101
D103
D102
IC601,602
+5V
D41
A.V.R
+
AC IN
for
u-COM
IC102 or
20dB AMP
IC114
IC111
(1/2)
Lch
Q7
Q11
IC111
(2/2)
Rch
Q8
Q12
IC112
(1/2)
Cch
Q13
Q17
IC110
(1/2)
LSch
Q1
Q5
IC110
(2/2)
RSch
Q2
Q6
IC101 or
IC113
SWch
Q14
MUTE
IC112
(2/2)
J1
H, P, Lch
H, P, Rch
K1
J1
Lch
SP-A
Rch
K2
Cch
K4
J2
LSch
RSch
J7
SWch

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