Kenwood xxv-03a Service Manual page 15

P
QQ
3 7 63 1515 0
TP21
R32 12K
TP18
TP22
R33
4.7K
TP20
C25
R34 2.2K 10u35
9
TP25
C49
u35
8.4V
TP41
IC4
TE
L 13942296513
C14
1u50
+
TP40
ED1(COMMON)
1 SEG.1
2 SEG.2
3 SEG.3
4 SEG.4
5 SEG.5
6 SEG.6
7 SEG.7
8 SEG.8
9 SEG.9
10 SEG.10
11 SEG.11
12 SEG.12
13 SEG.13
14 SEG.14
15 SEG.15
16 SEG.16
17 SEG.17
18 SEG.18
19 SEG.19
20 SEG.20
21 SEG.21
22 COM.3
C3
23 COM.2
C2
24 COM.1
C1
www
.
Q
TP23
C27 22P
R37
6.8K R39 3.3K
TP24
C30 0.01
IC2
IC2
TP30
(1/4)
R42
2 (3/4)
10
1 10 4
3 8
9
11
R45
5
10K
7
TP27
6
TP28
IC2(2/4)
C29 0.01
+
TP26
E-VOL
C22
TP44
10u35
TP42 TP43
+
5.0V
4.3V
0V
ED1(SEGMENT)
1 SEG.1
S1
2 SEG.2
S2
3 SEG.3
S3
4 SEG.4
S4
5 SEG.5
S5
6 SEG.6
S6
7 SEG.7
S7
8 SEG.8
S8
9 SEG.9
S9
10 SEG.10
S10
11 SEG.11
S11
12 SEG.12
S12
13 SEG.13
S13
14 SEG.14
S14
15 SEG.15
S15
16 SEG.16
S16
17 SEG.17
S17
18 SEG.18
S18
19 SEG.19
S19
20 SEG.20
S20
21 SEG.21
S21
22 COM.3
23 COM.2
24 COM.1
x ao
y
i
R
8
B.R.F
-12dB/-6dB/OFF
TP32
S7
TP31
1 10
C32
10u35
2 9
+
3 8
4 7
C37
10u35
5 6
+
IC3
C12
(1/2) IC1,3,5
0.01
: NJM4565MD-ZB
IC2 : NJM2058M-ZB
3 8
IC4 : E-TDA7409DTR
1
2 IC6 : LC75853NE-E
4
D1 : MA3082-M
-15.0V
D2 : B30-1641-05
ED1 : B38-1150-05
S6
1 4
2 5
TP63
3 6
Q Q
3 6 7 1 3
E-VOL
OFF/ON
CAUTION : For continued safety, replace safety critical
components only with manufacturer's recommended parts
(refer to parts list).
risk of electric shock, leakage-current or resistance mea-
surements shall be carried out (exposed parts are ac-
ceptably insulated from the supply circuit) before the
appliance is returned to the customer.
u163
XXV-03A (2/2)
• DC voltages are as measured with a high impedance
.
S
2 9 9 4 2 8
TP33
S8
I.N.V
7 8
OFF/ON
TP34
I.N.V AMP
TP36 TP37
R53 10K
R52
C40
10K
13
10u35
14
12
TP35
+
IC2(4/4)
SIGNAL LINE
GND LINE
B LINE
B LINE
1 5 0 5 8 2 9 9 4
UPC494GS
TC74HC00AF
NJM2058M-ZB
Indicates safety critical components. To reduce the
m
co
voltmeter. Values may vary slightly due to variations
between individual instruments or/and units.
X08-4230-10 (2/2)
T
XXV-03A
9 9
1
2SA1286-T11
2SA992-A
2SC1845-A
B
C
E
2SA1576A
2
2SC4081
DTA114EUA
3
DTC114EUA
NJM4565MD-ZB
2 8 9 9
4
DA204U
2SK246
5
D
G
S
6
7
15