Kenwood DDX7019 Service Manual page 33

Z
1
C109
0.1
5V
0V
5V
0V
01
u-COM
5V
0V
5V
0V
5V
5V
0V
0V
18
6
6
9
89 18
: DTC143EUA Q53,252 : 2SB1689
,13,84,94 : 2SA1576A Q72 : DTA124EUA
4,70,251 : DTC124EUA Q81,91,105,106 : DTC114TUA
,12,52,82,85,86,92, Q83,93 : 2SB1443
96,108 : 2SC4081 Q101,102 : DTC144EUA
: 2SB1188(Q,R) Q104 : DTA114TUA
03 : DTA114EUA Q107 : RT1N440M
: DTC114YUA Q351,353-356,358,359,
: 2SB1188(R) 361 : DTC323TU
71 : 2SB1565(E,F) Q352,357,360 : DTA144EUA
AA
2
Q104-108
DET
MUTE
Q108
R190
Q104
47K
Q106 Q107
Q105
1
5V
0V
1
50
RELAY DET4
49
R138
RELAY DET3
100
48 0 or 5.0V
RELAY DET2 48
47 0 or 5.0V R137
RELAY DET1 47
46 100
RELAY SW4
45
R136
RELAY SW3
100
44 0 or 5.0V
RELAY SW2 44
R135
43 0 or 5.0V
RELAY SW1 43
5V 100
42
0V PRE MUTEF
41
R134
PRE MUTER
1K
40
PRE MUTESW
39
C108
CLKOUT
0.1
38 5.0V
VDD
37 0V
VSS
X101
19.8MHz 19.800MHz
36
X1
R132
0
35
X2
C106
34 3.3V
REGC
33
1
R131
XT2
10K
32 0V
XT1
C117
5.0V
R195 0.01
31
(RESET : 0V) RESET
100
30
SEL DATA
5V
29
0V SEL CLK
28
AUTO SW 2 28
5V
27
0V
AUTO SW 1 27
26
AM+B
5V
0V
6
17
BU5V-A
6 RST
9
D1 : RM10ZLFNF
D2-4 : DAN202U
D5 : UDZS6.2B
D6,8,405-407 : UDZS6.8B
D7,9,101,201-205,301,
302,359-365 : DAP202U
D10-13,81,82,91,92 : 1SR154-400
D14,52 : UDZS5.6B
D15 : UDZS4.7B
D53,206,252,253,409 : DA204U
D351-358 : AVRM1608180M6A
D401-404 : STZ6.8N
AB
10
TUNER
8V
Q252
TUN8V
L251
4.7uH
Q251
10
L253
4.7uH
17
10
2
42
R253
0
40
AGND TUN GND
∗
B
90
RDS DECODER
17
IC251
R256
2.2K
1
23 QUAL
R257
2
24 RDDA
2.2K
C269
2.5V
10u16 3
VREF
+
2.4V
C267
4
MPX
5.0V
330P
5
OSEL
30
0V 6
C268
GND
10u16
29 7
ARI
+
8
FILOUT
C270
0.01
26
18 14
0V
IC106
AND
17
5V
0V
89
12
3.3V
0V
5.0V
9
R126
17 5.0V
18
47K
IC102
18
VOLTAGE
DETECT
0V
VIDEO LINE
SIGNAL LINE
GND LINE
B LINE
AC
DDX7019/7029/7029Y/7039
DNX7100/7200
P251
D253
ANT.
W251
3
2
ESD GND
1
AM/FM TU
D251
∗
A251
26
24
RFGND
23
ANT INPUT
22
NC
21
AM+B
20
OSCGND
CAUTION : For con-
19
VT
18
tinued safety, re place
COM+B
17
83 IFC
safe ty critical com po -
16
100 SDA
15 nents only with manu-
2 SCL
14
facturer's rec om mend ed
DGND
parts (refer to parts list).
13
VDD5V
12
Indicates safety criti-
PLLGND
11
84 SMETER cal com po nents. To re-
10
AMIFOUT
duce the risk of electric
9
85 QUALITY
8
shock, leakage-cur rent
RDS OUT
7
or re sis tance mea sure -
DGND2
6
25 RDSMUTE
ments shall be carried
5
STDGND
4
out (ex posed parts are
TUN-R R
3
TUN-L L ac cept ably in su lat ed
2
IF+B
from the supply cir cuit)
1
be fore the ap pli ance
IFGND
is returned to the cus-
25
tomer.
• DC voltages are as
measured with a high
impedance volt me ter.
Va l u e s m a y v a r y
5V
0V
slight ly due to vari-
5V
R255
16
RDCL
0V
a tions between in-
15
2.2K
T57
C264
14
di vid u al in stru ments
OSCOUT
10P
4.332MHz
or/and units.
C265
10P
13
OSCIN
12 5.0V
VCC
11 0V
EXTRES
10
TM
9
FSEL
TUN GND
AGND
P252
3.3V
5V
5.0V
0V GND2
0V
3.3V
0V
5V
0V
BU5V-A
5.0V (RESET : 0V)
TV
RST
R127
u-COM
100
RST
Q103
Q101 Q102
DDX7019/7029/7029Y/7039
DNX7100/7200 (2/5)
X34-477x-xx (4/4)
AD
1
2
3
4
5
6
7
33