Service manual
V5DIGB
V5RFBUFB
V5RFSWB
V5TUNERB
V5IFB
V1.2B
V3.3B
T1SCL
T1SDA
T1AS1
T1AS0
V2.5B
T12NDIF
TS0DATA1
TS0DATA6
TS0DATA3
TS0DATA0
TS0DATA5
TS0DATA7
TS0DATA4
TS0DATA2
TSCL P{14}
RESETn P{9}
T1SND P{12}
TSDA P{14}
TS0DATA[7:0] P{17}
T1CVBS P{8}
TS0CLK P{17}
TS0VALID P{17}
TS0SYNC P{17}
TS0ERR P{17}
V5.0
V5.0
V5.0
V5.0
V5.0
V3.3
V2.5
V5.0
V1.2
V3.3
V5.0
V1.2
V5.0
V5.0 V2.5
V12
V5.0
V3.3
V1.2
V2.5
V5.0
C16
.1
R8 47
C1
22U
12
C15
22U
12
R5
10K
C10
.1
C18
.1
MH5
MH
1
2
3
4
5
6
7
8
9
R12
75
C27
470U
12
M1
PIN
L5 10uH 1210
C21
100U
12
MH8
MH
1
2
3
4
5
6
7
8
9
C23
.1
R4
10K
M6
PIN
U2
AIC1117-3.3-SOT223
GND
G
VO
O
VI
I
TAB
O1
L7 10uH 1210
U3
AIC1117-2.5-SOT223
GND
G
VO
O
VI
I
TAB
O1
R6
0
C25
.1
MH1
MH
1
2
3
4
5
6
7
8
9
R11 3.3K
C12
100U
12
M2
PIN
C13
22U
12
R13
10K
R3
10K
C6
22U
12
L4 10uH 1210
M4
PIN
L2 10uH 1210
C7
.1
U5
AT1796-ADJ
VI
1
GND
3
VO
2
TAB
6
ON
5
FBK
4
MH4
MH
1
2
3
4
5
6
7
8
9
C5
100U
12
C14
.1
M3
PIN
L6 10uH 1210
TUNER NIM MODULE
(40 PINS)
PHILIPS SEM
TERRESTRIAL INPUT
CABLE INPUT
U1
TUV1236D/FV
MPEG_DATA6
38
MPEG_DATA5
37
POWER_RST
27
MPEG_DATA7
39
MPEG_DATA4
36
MPEG_DATA3
35
MPEG_DATA2
34
MPEG_DATA1
33
MPEG_DATA0
32
MPEG_DATA_EN
31
GND2
28
MPEG_ERR
29
MPEG_PKT_SYNC
30
MPEG_CLK
40
GND1
18
5V_RF_SW
6
IF2
11
IF1
10
CVBS
14
AF_MPX
12
2ND_IF_SOUND
15
AS1
26
AS0
25
AGC_MONITOR
7
VT_MONITOR
8
SDA
20
SCL
21
NC1
1
NC3
3
NC2
2
NC4
4
NC5
5
5V_TUNER
9
5V_IF
13
5V_DIGITAL
19
2_5V
24
3_3V
23
1_2V
22
RESERVED
16
ANT_CTRL
17
42
42
43
43
44
44
41
41
MH7
MH
1
2
3
4
5
6
7
8
9
C3
.1
L9 25uH
MH3
MH
1
2
3
4
5
6
7
8
9
R1
10K_NC
C19
.1
R2
10K_NC
M5
PIN
L8 10uH 1210
C26
333
R9 0
C28
470U
12
D1
B340A
A K
C20
.1
MH6
MH
1
2
3
4
5
6
7
8
9
C2
.1
C8
22U
12
U4
AIC1117-ADJ-TO252
ADJ
G
VO
O
VI
I
L3 10uH 1210
L1 10uH 1210
C24
22U
12
C22
22U
12
C9
.1
C11
.1
R10 1.1K
C17
22U
12
MH2
MH
1
2
3
4
5
6
7
8
9
R7 47
C4
.1
ViewSonic Corporation Confidential - Do Not Copy N4261w-1M
48
9.18 ATSC TUNER