Block Diagram - Kenwood KRF-V7510D Service Manual

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