Service manual
CVBSCOMPOSIT1
USB_D-
USB_D+
RTSZ_A
RX.DL_A
TX.DLTX.DL_A
RX.DL
RTSZ
CTSZ
C1_B
C2_A
TX.DL
C1_A
RX.DL
232V-
C2_B
CTSZ_A
CHROMA
LUMA
PWM_AUDIO3
AUDIO_A PWM_AUDIO1
PWM_AUDIO2
SPEAK-
SPEAK+MUT
VOL
AUDIO
CVBS 6
GND 3,5,6,7,8,9,10,11,12,13,14,15,16,17
P5V 3,5,6,7,9,13,16,17
USB_D+ 9
USB_D- 9
GND3,5,6,7,8,9,10,11,12,13,14,15,16,17
P3P3VS 5,9
UART0_CTSZ 9
UART0_RTSZ 9
UART0_RXD 9
UART0_TXD 9
CHROMA 6
LUMA 6
PWM_AUDIO3 9
AUDIO_SW9
P3P3V 3,6,7,8,9,10,11,1
PWM_AUDIO1 9
PWM_AUDIO2 9
P5V3,5,6,7,9,13,16,17
AUDIO_MUT9AUDIO_VOL9
P5V
P3P3VS
P5V
P5V
P3P3V
P3P3V
P5V P5V
P5V
RTSZ
CTSZ
232V-
V+
TX.DL
RX.DL
RTSZ
CTSZ
TX.DL
RX.DL
232V-
V+
232V-
V+
AUDIO
AUDIO_A
AUDIO_A
VOL MUT
SPEAK+
SPEAK-
MUT
VOL
SPEAK+
SPEAK-
AUDIO
Video input
These parts of this portion should be connected closely.
USB input
RS232 circuit
Audio input terminal
Audio circuit
RB10
1K J
LC8 Z80
LC9 Z80
LC10 Z80
TPC3
CC2 22U M
CC3
0.33U Z
TP29
ZD2
TZMC6V2
A K
TPC2
RC5
470
R187 0 J
RC11
1K J
ZD7
TZMC6V2
AK
CC6 0.1U K
CC11 22U M
CR4
0.1U K
TP11
RC1
470
RC4
4.7K J
J4
2B10190051
1
1
2
2
DN4 BAV99
A
J
K
RC13
150
DN7
BAV99
A
J
K
L2 Z42
RC9
220 J
ZD8
TZMC6V2
A K
DN13
BAV99
A
J
K
CR5
0.1U K
CC8 0.1U K
L3 Z42 RC7
470
ADG779
U6
S1
4
S2
6
IN
1
GND
3
Dout
5
VDD
2
DN8
BAV99
A
J
K
QC3
2N3904S
B
E C
RA6
1.8K
TP177
LC4
Z42
TP15
TP23
CC1
0.1U K
CC7
47P J
50V
CR2
0.1U K
RC6
5.9K F
RC15
150
TP18
TP24
TP178
L1 Z42
RA5
OPEN
CC13
22U M
CC9
100P K
DN14
BAV99
A
J
K
RC3
22
LC6 Z80
RC8
5.9K F
ZD3
TZMC6V2
AK
CR3
0.1U K
J9
2BC0010031
VCC
1
DATA-
2
DATA+
3
GND
4
CASE
G2
CASE
G1
GND
5
TP25
CC12
22U M
J3
2B14016041
C
4
.
2
G2
G2
.
1
Y
3
G1
G1
G3
G3
G4
G4
G5
G5
C4
0.1U K
CA2 0.1U K
TP14
J2
2KD2094102
1
2
G1
G2
RC10
220 J
D12
TZMC6V2
A K
CR1
10U Z
ZD4
TZMC6V2
A K
RC14
1K J
CC10
100P K
LC5 Z80
RA1 OPEN
RA7
OPEN
CC5
22U M
U5
TDA8551T
UP/DOWN
1
MODE
2
SVR
3
IN
4
OUT+
8
GND
7
Vp
6
OUT-
5
TP16
TP13
TP34
ZD5
TZMC6V2
AK
J7
2B14015001
G1
G1
G2
G2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
G3
G3
QC5
2N3904S
B
E C
RC12
1K J
RA3
4.7K J
D13
TZMC6V2
A K
DN6 BAV99
A
J
K
TP12
LC7 Z80
TP30
TP17
CC4
22U M
RC2
22
RA2
OPEN
UC1
ICL3232ECBNZ
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
DN5 BAV99
A
J
K
ZD1
TZMC6V2
AK
J5
2B10254071
3
2
1
TPC1
ZD6
TZMC6V2
A K
RA4
4.7K J
QC4
2N3904S
B
E C
R186 0 J
QC2
2N3904S
B
E C
ViewSonic Corporation Confidential - Do Not Copy PJ513D-1
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