Kenwood RXD-V525 Service Manual download (Page 4 of 50)

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Manual type:Service Manual
Pages:50
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Page 4 of 50
RXD-V525/V626/V727/V828
4
BLOCK DIAGRAM
R/P
ERASE
TONE
EX.BASS
SOUND
OSC
BIAS
BIAS
TRAP
NR SYSTEM
DOLBY B
HA12136A
BA3126N
HA12219NT
20.5V/6
K1
OTHER ch
S.W.
PRE-OUT
USED
H.P.
Rch
Lch
Cch
RF AMP
LODING
MOTOR
CD DSP
KEY
LED CONTROL
REMOTE SENSOR
(X13)
A1
TUNER PACK
FM75
AM
ANT
B DECK
(X28)
DECK
MECHA
IC3
IC1
Q21,22
IC2
(X14)
IC10
CXD2718Q
M62492FP
IC2
MD REC
MD/DVD
RXD-V525/
V626/V727
IC3
CD MECHA
(MGC-E9001)
DIGITAL
D. OUT
(OPTICAL)
VIDEO OUT
MAIN u-COM
2ch MODE (DEV.1%)
SURROUND MODE
RXD-V525
RXD-V626
RXD-V727
(X07)
Q3,4
Q1,2
B CLASS
IC2
Q5
Q7
IC5
IC1
(X14)
2V/600
17.3V/6
21.9V/6
10.95V/6
RXD-V828
20.5V/6
24.5V/6
12.2V/6
AMP
1.0V/10K
OUTPUT
400mV/47K
INPUT
1Vp-p/75
P
A DECK
MIC
ECHO
USED
USED RXD-V828
DRIVER
IC4
TV ENCODER
MPEG
DECODER
IC12
IC9
ANALOG
RXD-V525/V626/V828
MTX
MTX
SWRch
SWLch
SLch
SRch
SLch
SRch
OFF
ON
MTX
SURROUND
OTHER ch
Q6
AMP
Q8
IC2
K1
S ch
AMP
A CLASS
(X00)
AC/DC
PROTECTION
L.P.F
(X32)
(X13)
A1
IC52,53
FL
IC51
DRIVER
DISPLAY
FL
ED1
MIC AMP
MIC VOL.
C/S ch
PRO-LOGIC
DOLBY
L/R ch
IC7
INPUT
OUTPUT
1
2
(DEV.10%)
(DEV.10%)
(DEV.1%)
(DEV.1%)
FRONT SP.OUTPUT
RXD-V525
RXD-V626
8.5V/8
(DEV.1%)
8.9V/8
(DEV.1%)
SP. OUTPUT
MATRIX SURROUND (MODE)
SUPER WOOFER
SP. OUTPUT
RXD-V727
24.5V/6
(DEV.10%/60Hz)
13.4V/6
RXD-V828
CENSER SP. OUTPUT
(DEV.10%)
9.5V/6
RXD-V828
(DEV.10%)
SURROUND SP. OUTPUT
+12V
AVR
Q4
AVR
Q6,7
-12V
-12V
+12V
AVR
IC2
+5V
AVR
IC1
+9V
RDS
CD +9V
-B
GND
+B
+40V
AVR
Q8
(X14- ) +5V
FL -35V
Q2
+5.6V AVR
u-COM
FAST OFF
FL AC
AMP
for
POWER
AC IN
E-VOL
TUNER
DECK
TUNER
E-VOL
FL IC +5V
u-COM
PULL UP
K1
120V
240V
+12V
AVR
Q4
AVR
Q3
-12V
-12V
+12V
AVR
IC2
+5V
AVR
IC1
+9V
RDS
CD +9V
-B
GND
+B
-35V
AVR
Q8
FL-REF
FL -35V
Q2
+5.6V AVR
u-COM
FAST OFF
FL AC
IC
for
POWER
E-VOL
TUNER
DECK
TUNER
E-VOL
FL IC +5V
u-COM
PULL UP
K1
120V
240V
(M) TYPE ONLY
-BV
GND
+BV
D2
D15-18
D1
D3
S2
S1
AC IN
D2
D1
D3
EXCEPT USED RXD-V828
USED RXD-V828
IC13
Q305,306
MPX
X32
X32
K2
K2
K2
K2
USED RXD-V727
S1
(X00-293X-XX) : RXD-V525/V626
(M) TYPE ONLY
RXD-V525/V626/V727/V828
(X00-294X-XX) : RXD-V727/V828
CLK
PLL-CLK
PLL-CE
PLL-DO
SD
ST
PLL-DATA
S-LEVEL
DE-EMPH
SW/C/S MUTE
H.P. DETECT
ATT
MUTE
PROTECTION
LATCH
DATA
CLK
READY
REC LEVEL CONT
R/P
LATCH
Lch-OUT
Rch-OUT
+12V
+12V
REC
PB
AMP
AMP
OUT
(REC=H)
INPUT ATT.
VOLUME
C/S (RXD-V828)
7V
DECK
CD
Lch-OUT
Rch-OUT
D. OUT
DATA
XIN
XOUT
XCIN
XCOUT
(10MHz)
(32.768KHz)
MAIN CLOCK
TIMMER CLOCK
MUTE
-6db ATT.
DOLBY
IN
-6db ATT.
MUTE
-6db ATT.
MUTE
C/S ch
SW ch
C/S or SW
FRONT L/R
VOLUME
SW (RXD-V727)
C/S
L/R
+
+
+
+
+
+
+
+
+
+
+
+
+
+
IC1
IC55
Sample