5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
FROM SMPS
ON
OFF
OFF
ON
OFF
OFF
ON
ON
PDIP-18
standby
RED
light
power on
ORANGE
light
POWER ON
STANDBY
blue color
amber color
3K1 INSTALL
3K1 N/A
DVD280
DVD22
on the mainboard
JBL
1297C-1
2.3
DVD280 FRONT PANEL
C
5
15
Wednesday, February 16, 2005
Title
Size
Document Number
Rev
Date:
Sheet
of
STANDBY
-27V
STANDBY
MCU_CLK
+5V
+5V
AC1
-27V
AC2
AC1
AC2
AC2
AC1
IR_IN
MCU_CLK
-27V
-27V
+5VDD
IR_OUT
IR_OUT
AC1
AC2
-27V
IR_IN
IR_IN
PRE_MUTE
PRE_MUTE
+5VDD
DGND
DGND
+5V
DGND
DGND
DGND
DGND
+5VDD
DGND
+5VDD
+5VDD
DGND
DGND
DGND
+5VDD
+5VDD
+5VDD
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5V
+5VDD
DGND
3CB5
123
VFD
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
U5
VFD
1
2
4
5
6
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
56
57
7
8
9
10
11
12
13
14
AC1
AC2
1G
2G
3G
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
AC3
AC4
4G
5G
6G
7G
8G
9G
10G
11G
+
3C13
47uF/50V
3R13
100K
PT631
1
U2
PT6311
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
SW1
SW2
SW3
SW4
DOUT
DIN
VDD
CLK
STB
KEY1
KEY2
KEY3
KEY4
VD
D
K/
S1
K/
S2
K/
S3
K/
S4
K/
S5
K/
S6
K/
S7
K/
S8
K/
S9
K/
S1
0
K/
S1
1
K/
S1
2
G16/S13
G15/S14
G14/S15
G13/S16
G12/S17
G11/S18
VEE
VDD
G10/S19
G9/S20
G8
G7
G6
G5
G4
G3
G2
G1
VD
D
LE
D5
LE
D4
LE
D3
LE
D2
LE
D1
VSS
OS
C
CN1
PH-3A-2.0mm
1
2
3
GND
+5VDD
STANDBY
+
3C6
47uF/50V
K7
Standy_by
1
2
3
4
3R6
0R
U1
CF745-04/P
1
2
3
4
5
6
7
8
9
17
18
10
11
12
13
14
15
16
RA2
RA3
T0CKI
MCLK/VPP
VSS
RB0
RB1
RB2
RB3
RA0
RA1
RB4
RB5
RB6
RB7
VDD
OSC2/CLKOUT
OSC1/CLKIN
Q1
8050
3
2
1
+
3C5
47uF/50V
K6
Prev
1
2
3
4
+
C14
100u/10V
X1
4.000M
CB1
104
CB7
104
Q2
8550
3
2
1
K3
Open/Close
1
2
3
4
R2
10K
U4
IR
3
2
1
VCC
GND
IR
R3
2.2K
R1
10K
K5
Play
1
2
3
4
R4
470R
3R17
2.2K
K4
Pause
1
2
3
4
K1
Test
1
2
3
4
+
C6
47uF/10V
K9
Dimmer
1
2
3
4
CB3
104
R7
2.2K
R18
33k
R5
10K
R19
47k
K8
Stop
1
2
3
4
R22
4.7K
C10
22P
LD1
DUAL LED
R23
4.7K
CB2
104
R24
4.7K
D6
1N4148
1
2
K2
Next
1
2
3
4
3D8
1N4148
+
3C15
47uF/50V
+
3C9
47uF/50V
Q3
8550
3
2
1
+
3C16
47uF/50V
3D7
1N4148
R28
4.7K
C4
22P
3R12
10K
R27
1K
+
3C2
47uF/50V
3DZ1
ZENER 6.2V0.4W
+
3C4
47uF/50V
+
3C3
47uF/50V
3D1
1N4148
+
C12
220uF/10V
3U3
LM9022
1
2
3
4
5
6
7
8
SHUTDOWN
BYPASS
+IN
-IN
VO1
VDD
GND
VO2
CN2
CON13-2.0
1
2
3
4
5
6
7
8
9
10
11
12
13
IR
GND
CLK
GND
DATA
STB
+5V
-24V
AC1
AC2
MCU_CLK
IR_IN
PRE_MUTE
3CB8
105
3D5
1N4148
+
3C1
47uF/50V
3D3
1N4148
3R14
100R
3R9
0R
3R15
100R
+
3C7
47uF/50V
3R11
10K
3R10
10K
3D9
1N4148
C5
104
3D4
1N4148
3D2
1N4148
CB4
104
3D6
1N4148
R29
100R
DVD280
42
Summary of Contents for DVD280
Page 19: ...DVD280 19 ...
Page 20: ...DVD280 20 ...
Page 21: ...DVD280 21 ...
Page 22: ...DVD280 22 ...
Page 36: ...BH7862FS Video Buffer SMD PT6311 VFD driver SMD DVD280 36 ...