Kenwood KRF-V4550D, Service Manual

Page: 13 / 24

BR BI BK BM BO BQ BJ BL BN BP
KRF-V4550D/V4550DE/V4550D-S
Y05-4332-70
IN
GND
OUT
+
C5
10u16
+
C6
10u6.3
0.01 C7
GND
IN OUT
R4 1K
1K
R8 1u50
+
C3
100K
R7
10K
R9
R10 1K
R5 10K
10K
R6
+
C40
0.047F5.5
1
K
R130
C2 0.01
+
100u10
C1
W33
0.01
C39
1.8K
R21 R27
1.8K
3.9K
R26 R20
3.9K
6.8K
R25 R19
6.8K
10K
R24 R18
10K
22K
R23 R17
22K
33K
R22 R16
33K
100P
C33
R107 100K 100K R108 100P
C34 C35
100P R109 100K
Q3-5
85
220 R31
86
R32 220 R33 220
83 87
1
2
3
HPL
HPR
GND
1
2
3
HPL
HPR
GND
100P C107 100P C106
1
2
3
1
3
2
AC
AC 1
2
54 32 33 55 30 31 29 27 25 26 28 23 24 21 22 20 18 19 17 16 14 15 12 13 11
9 7 8 6 5 4 2 3
10
NP F1 F1
1
10G 8G 9G 5G 6G 7G 4G 3G 2G 1G P7 P6 P9 P8 P15 P13 P12 P14 P10 P1
1
P16 NP F2 F2 P2 P1 P5 P4 P3
1
2
3
4
5
6
7
8
QUAL
RDDATA
VREF
MUX
VDDA
VSSA
CIN
SCOUT
16
15
14
13
12
11
10
9
RDCLK
T57
OSC0
OSC1
VDDD
VSSD
TEST
TSTLD
0.01
C25
4.332MHz
X2
C26
27P
27P
C27
100
R113
R112 47K
R111 100
2.2u35
+
C30
C29
560P
C28
R110
1
W507
47u6.3
+
C24
8
7
6
5
4
3
2
1
RDSDAT
RDCLK
LED
DET
KEY1
5.0V
VREF
GND
8
7
6
5
4
3
2
1
RDSDAT
RDCLK
LED
DET
KEY1
5.0V
VREF
GND
1.2K
R29
270P
NP 11
G
NX
34 35 36 37 39 38 47 41 40 43 42 45 44 46 48 50 49 53 52 51
P17 NP NX NX NX NX NX NX NX NX NX NX NX NX NX NX NX NX NX NX
17
16
25 26
96
97
38
37
47 56 57
53 54 55 48 49 50 51 52 74 62 63 64 65 60 61 58 59 73 72 71 69 68 66 67 70
F1
F2
F1
F2
220 R2
R3
220
10K
R1
B
+B
IC2
30V 30V
30V
+5.4V
+5.4V
30V
30V
30V
30V
30V
30V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+5V
+B
+B
+B
+5V
+B
+5V +B
+B
+B +B
+B
+B
+B
+B +B
C4
10u16
+
2
1
Q6,9-11
C59
1
+B
+B
C31
100P
0.01 C52
+B
D21
D8
RESET IC D1
1
Q1
RESET
Q2
D12
FIRST
OFF
S10
MEMORY DIMMER
S16
AUTO
S9
INPUT MODE
S15
BAND
S8
SET UP
S14
MONITOR
S7
SOUND
S13
SP. B
S6
MODE
S12
LISTEN
SP. A
S5
SOURCE DIRECT
S11
Q3 Q4 Q5
CURRENT
BUFFER
DIGIT
A
L
DOLBY
Q9
D3
PROLOGIC
Q10
D4
3 STEREO
D5
Q6 Q11
WH3 CN3
J1
HEADPHONE
P1
E5
WH2
CN5
S1
WH7
10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
E2
E1
D1
S4
POWER/
STAND-BY
RDS
DEMODULATOR
11G
D24
D22
+5.7V AVR
D7
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
D1 : B30-2567-05
D3-5 : B30-2545-05
D7 : MTZJ6.2(B) or
HZS6.2N(B2)
D8,9 : RB721Q
D11,12,15,16,34
: MA111
D17-22,24,28,30,33
: 1SS133 or
HSS104A
B LINE
B LINE
GND LINE
SIGNAL LINE
DIGITAL LINE
E6
ED1
DRIVER
LED
WH1
Q14 : UN5112 or
DTA124EUA
W02-2625-05
ED1
A1
:
:
HNA-11MS24 or
11-MT-125GK
(9G-2G)
IC3
IC2
(X14- ) (D/6)
(X14- ) (C/6)
IC4
(X14- ) (B/6)
(X14-7122-73) (A/6)
KRF-V4550D/E/-S (4/4)
col
Dp
P1
P2 P3
P4
P5 P8
P11 P9 P10
P12 P13
P15
P16
P1
P2
P3
P4 P14
P9 P10 P11
P7
P8
P12 P13 P14
P1 P2 P3
P4 P5 P6
P10
P13
P11
P9
P15
P17
P16
P14
P12
P6
P7
P5
P8
(P2)
(P1)
(P9)
(P11)
(P10) e
(P13)
d
(P14)
(P12) n
r
p
c
f
(P6)
(P7)
(P3)
b
k
j
h
(P5)
(P8) g m
a
(P4)
5.0V
-29.2V
AC6.0V
-29.2V
5.0V
8.0V 5.7V
5.0V
5.1V
4.8V
FM
AM
kHz
MHz
PRO LOGIC
DOWNMIX
STEREO
AUTO SOUND
S.DIRECT
MONITOR
DSP
DIGITAL
MEMO.
TUNED
ST.
AUTO
NEWS
PTY
MUTE
TI.VOL B A
CLIP
EON RDS
TA TP
SP
LFE
LS S RS
SW
C L R
3
D34
MA142WA
MA142WK
UN5212 1SS301 TA48M025F
TA48M05F
NJM2279M TC74HCT7007AF 2SD2351 LC72131
KIA7912PI NJU7311AM
NJU7313AM LA1837 BU1923F
S-80840ANY TC7WH123FU TC7WU04FU
1
4
5
8
BA05T
KIA7812API M62446FP TA48M033F