Roadstar TRA-2350, Service Manual, Page: 2 / 5

1
2
34
A B C D
4
3
2
1
D C B A
T
itle
Nu
m
be
r
R
evi
si
on
Si
ze
A4
D
at
e:
13-Jul
-2006
Sheet
of
CO
M
0
1
CO
M
1
2
CO
M
2
3
CO
M
3
4
SD
5
SC
6
CST
7
LI
GHT
8
VDD
9
VS
S
10
XOUT
11
XI
N
12
TES
T
13
XTI
N
14
XTOUT
15
RST
16
B
AND0
17
GND
18
B
AND1
19
VREF
20
GND
21
BAND2
22
FFW
23
FFD
24
MUTE
25
POWER
26
DO
27
CLK
28
DI
29
CE
30
VDD
31
GND
32
ST
33
TUNE
34
BA
TT
35
ADK
EY0
36
ADK
EY1
37
ADK
EY2
38
SE
G
25
39
SE
G
24
40
SE
G
23
41
SE
G
22
42
SE
G
21
43
SE
G
20
44
SE
G
19
45
SE
G
18
46
SE
G
17
47
SE
G
16
48
SE
G
15
49
SE
G
14
50
SE
G
13
51
SEG12
52
SEG11
53
SEG10
54
SEG9
55
SEG8
56
SEG7
57
SEG6
58
SEG5
59
SEG4
60
SEG3
61
SEG2
62
SEG1
63
SEG0
64
U1
SW
10
HOLD
RST
C1
22P
C2 22P
R2 22K
R3 100K
R4 100K
C3 104
X1
32.
768K
C6
4.
7uF
R30
3.
3K
VDD
C4
104
R5 0
R6 0
R7 0
R8 0
R9 100K
R10 100K
R11 100K
R12 100K
R13 100K
R14 100K
R15 100K
R16 100K
R17 100K
R18 100K
R19 100K
R20 100K
R21 100K
R22 100K
R23 100K
R24 100K
R25 100K
R26 100K
VDD
R31 10K
R32 10K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
LCD 26PIN
LT
RST
CHARGE
R35
820K
BUZZ
VDD
C5
104
STEREO
INB
AND0
EXTI
N
BA
TT
SEGA
SE
G
A
KIN
0
KIN
1
KIN
2
KIN
3
C12 471
C13 471
T1 9014
R37
560K
R36
680K
R38
560K
GND
R27 100K
R28 100K
R29 100K
SCAN0
SCAN1
SE
G
16
SE
G
17
SE
G
18
SE
G
19
SEG16
SEG17
SEG18
SEG19
SCAN0
SCAN1
AGC
SW
12
LI
GHT
R40 1K
C8 102
LI
GHT
HOLD
R1 1K
C9 103
R44 1K
R45 1K
R46 75 R47 10
T3 9014 T4 S8550
LED2 LED
B1 BUZZER
VDD1
LT
BU
ZZ
PO
W
E
R
AGC INB
AND0
C
HAR
GE
IBA
T
T
VI
N
VDD
STEREO
C16 102
C18 102
D2 IN
60
C14
0.
47F
L1
1.
8uh
POWER
SW
13
BEEP
SW
14
ST
O
P
FFW FFD
CE DI CLK DO
SW
15
FAS
T
SW
16
SL
O
W
SW
1
HOUR
E
SW
2
SNOOZE
SW
3
MODE SW
4
C
HAR
GE
SW
5
TI
M
E
RB
SW
6
TI
M
E
RA
SW
7
WORLD SW
8
MI
NUTE
SW
9
TS
ET
SW
11
PO
W
E
R
D1
4148
D3
4148
D4
4148
D5
4148
TUNES
W
R33 680K
R34 680K
VDD
C7 202
C10 202
R41
3K
R42
3K
R43
3K
R49 1K
CE DI CLK
1 2 3 4 5 6 7 8 9 10 11 12 13 14
J2 C
ON1
4
V_
TUNE
V_
TUNE
C19 101
R39 820K
R52 820K
OP
TI
ON
R53 1K
R54 1K
SW
17
SNOOZE
SW
18
LI
GHT
LED1 LED
LLI
GHT
R51 470K
R55 470K
S1 9K/
10K
R
39=B
L
A
N
K
S1=O
PE
N
:SE
L
E
C
T
1206-
-12
HOURE
9
K
:S
E
L
E
C
T
1206-
-12
HOURE
1
0K
:S
E
L
E
C
T
1206-
-24
HOURE
9
K
:S
E
L
E
C
T
1206-
-24
HOURE
1
0K
R
39=
B
L
A
N
K
S1=
C
LO
SE
R
55=B
L
A
N
K
S1=O
PE
N
R
55=
B
L
A
N
K
S1=
C
LO
SE
R50 75
Q1 8050
R48 1K
LLI
GHT
VDD1
R56 75
R57 75
R58 75
LED3
LED5
LED6
LED4
L1 L2
L2
L1
SW
20
RST
VI
N
IBA
T
T
INB
AND0
AGC
VDD1
1 2 3
J1
C
ON3 1 2 3
J3 C
ON3 1 2 3 4
J4 C
ON4
R59 22K
L2 10uH
R60
4.
7K
LED7
LED8
R61
3K
R62 680K
R63 680K
VDD
R64 75
R65 75
R66 75