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Kenwood KRF-V4550D Service Manual page 13

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BI
BJ
(X14-7122-73) (A/6)
11G
10G
P1
P2
P3
P9
P10
P11
P2
P3
P1
P4
SP
A
B
TI.VOL
L
C
R
CLIP
MUTE
P5
P8
LFE
SW
P8
P7
RDS
EON
PTY
P9
P10
P11
P4
P5
P6
P12
P13
P14
TP
TA
NEWS
LS
S
RS
P12
P13
P14
ED1
D34
+B
Q3-5
Q3
Q4
Q5
CURRENT
BUFFER
-29.2V
30V
SP. A
SOURCE DIRECT
S5
S11
R16
R22
33K
33K
LISTEN
SP. B
MODE
S6
S12
R17
R23
22K
22K
MONITOR
SOUND
S7
S13
R18
R24
10K
10K
BAND
SET UP
S8
S14
R19
R25
6.8K
6.8K
AUTO
INPUT MODE
S9
S15
R20
R26
3.9K
3.9K
MEMORY
DIMMER
S10
S16
R21
R27
1.8K
1.8K
17
16
+B
D22
4.8V
5.1V
D21
+5.7V AVR
5.0V
8.0V
IC3
5.7V
D24
IN
OUT
+B
GND
+B
+B
R5 10K
RESET
5.0V
IC2
C3
Q1
R4 1K
1u50
R8
+B
IN OUT
+
1K
IC2
GND
RESET IC
W33
Q2 FIRST
+B
OFF
+B
-29.2V
+B
30V
30V
+5.4V
BK
BL
9G
8G
7G
6G
5G
4G
+B
Q9
Q10
Q6
Q11
Q6,9-11
LED
DRIVER
(X14- ) (C/6)
S1
CN5
WH2
3
97
3
96
2
2
1
1
(X14- ) (B/6)
WH1
E2
E1
8
RDSDAT
8
38
RDSDAT
7
7
RDCLK
37
RDCLK
6
6
LED
LED
5
5
DET
DET
4
4
KEY1
KEY1
3
3
+5V
5.0V
5.0V
+5V
2
2
5.0V
+B
VREF
VREF
1
1
GND
GND
R29
D1
1.2K
S4
POWER/
STAND-BY
IC1
: MN101C35DRA4
IC2,5
: S-80840ANY
IC3
: TA78057F
IC4
: BU1923F
Q1,3-5
: 2SC4081(R,S)
Q2,12,13 : 2SA1576A(R,S)
Q6,9-11
: UN5219 or
DTC113ZUA
+B
Q14
: UN5112 or
+B
DTA124EUA
WH7
F1
2
2
AC
AC6.0V
F2
1
1
AC
R1
10K
(X14- ) (D/6)
WH3
CN3
1
HPL
HPL
1
2
HPR
HPR
2
3
GND
GND
3
E6
BM
BN
3G
2G
1G
P15
col
FM
AUTO SOUND
P1
P9
AM
PRO LOGIC
P2
P10
MHz
3
STEREO
P3
P11
P12
P16
kHz
DOWNMIX
P4
P13
Dp
(P1)
a
j
(P2)
k
(P4)
h
(P3)
(P5)
(P6)
f
b
g
m
(P8)
(P7)
(P10) e
c
(P9)
r
(P11)
n
(P12)
p
(P13)
d
(P14)
(9G-2G)
DIGITAL LINE
SIGNAL LINE
GND LINE
+B
B LINE
B LINE
B
RDS
DEMODULATOR
IC4
R113
R112 47K
1
16
100
C31
QUAL
RDCLK
15
R111 100
2
100P
T57
RDDATA
14
C27
C30
OSC0
2.2u35
27P
3
X2
VREF
4.332MHz
+
C26
13
C29
4
OSC1
MUX
27P
270P
R110
5
12
C25
+B
VDDA
VDDD
+B
11
1
0.01
VSSD
6
10
VSSA
TEST
7
9
CIN
TSTLD
8
SCOUT
C24
47u6.3
+B
+B
+
D1
: B30-2567-05
A1
:
W02-2625-05
D3-5
: B30-2545-05
D7
: MTZJ6.2(B) or
ED1
:
HNA-11MS24 or
HZS6.2N(B2)
11-MT-125GK
D8,9
: RB721Q
D11,12,15,16,34
: MA111
D17-22,24,28,30,33
: 1SS133 or
HSS104A
J1
HEADPHONE
P1
E5
KRF-V4550D/E/-S (4/4)
BO
BP
MA142WA
MA142WK
DIGITAL
AUTO
UN5212
P14
P5
S.DIRECT
MEMO.
P15
P6
MONITOR
ST.
P16
P7
DSP
TUNED
P17
P8
TC74HCT7007AF
NJM2279M
NJU7311AM
KIA7912PI
NJU7313AM
TC7WH123FU
S-80840ANY
TA48M033F
KIA7812API
KRF-V4550D/V4550DE/V4550D-S
Y05-4332-70
BQ
BR
1SS301
TA48M025F
TA48M05F
2SD2351
LC72131
LA1837
BU1923F
TC7WU04FU
BA05T
5
8
4
1
M62446FP

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