Kenwood KRF-V4550D Service Manual page 13

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