Advertisement
6-1
1
2
DVDR3375 Front Board Electrical Diagram
A
R4
R2
680/DIP
3.3k
C1
104
Q2
2n2222
Q4
2n2222/DIP
D2
B
R11
1
C6
+F1
10UF/50V
R13
680
-24VV
D5
5.6V/DIP
R16
P_CON
10K
C
VCC
R40
POW_SW
10K(OPEN)
10K(OPEN)
JP4
R41
R84 1
INT_FP
4
3
R83 1
CLK
FAN_CTL
2
IDC_SDA
1
RST_TIME
R82 1
PITCH=2.0
D
VCC
VCC
Q7
Q8
3906/SMT
3906/SMT
R27
330
R36
P_CON
NC
R28
R29
4K7
D9 1N4148
1K
R34
R48
R49
33K
10K
Q9
3904/SMT
E
R37
R47
1K
+
6.8K
F
1
2
http://www.jdwxzlw.com/?fromuser=华盛维修
3
+12V
R5
R6
To Power Board
3.3k
680/DIP
JP1
1
C2
FB1
2
104
3
Q3
FB2
4
2n2222/DIP
5
FB3
6
Q5
D1
+12V
7
2n2222/DIP
PITCH=2.0
C3
C33
C4
+
47uF/16V
100P
R12
C7
1
+F2
10UF/50V
R14
680
Y1
R44
12MHz
100
OSC_1
VCC
R43
D8
1M
1N4148/SMT
C9
C10
FAN_CTL
22P
22P
C31
100P
R38
10K(OPEN)
C12
R39
47uF/16V
10K(OPEN)
VCC
U3
LH316S
P_CON
RDY_FM
1
24
P_CON
RDY
DATA
ATN_FM
R18
2
23
DATA
ATN
OSC_1
10K
3
22
NC
OSC2
CS
OSC_2
4
21
CS
OSC1
RESET
5
20
NC
RESET
6
19
VSS
VDD
C17
7
18
VSS
VDD
SCK_MPEG
8
17
CLK
SCK
D_FM
0.1
9
16
SCL
D_FM
D_HOST
10
15
SDA
D_HOST
IR
11
14
DATA_T
IR
RST_MPEG
12
13
RST_T RST_M
CS
CLK
DATA
VCC
U4
REM
+ C25
R35
LED1
C24
47uF/16V
4K7
3
VCC
0.1u
2
GND
IR
1
IR
JP2
To Main Board
LED2
RDY_FM
1
ATN_FM
330
2
SCK_MPEG
3
D_FM
4
D_HOST
5
IR
6
7
RST_MPEG
8
PITCH=2.0MM
C26
100P
C27
NC
C28
NC
3
家电维修资料网，免费下载各种维修资料
4
5
P_CON
FAN_CTL
VCC
-24VV
C34
C35
+
U1
100P
100P
VFD Display
+F2
C29
0.1u
-24VV
OSC_2
C11
0.1u
VCC
FB11
34
G4
35
G3
C15
C16
36
G2
SEG6/K6
0.1u
0.1u
U2
37
G1
SEG5/K5
6-3
6-3
6-3
PT6312
38
VDD
SEG4/K4
39
LED4
SEG3/K3
C14
40
LED3
SEG2/K2
R19
+
6-3
6-3
41
LED2
SEG1/K1
51K
42
LED1
47uF/16V
43
GND
44
OSC
R21
R22
R23
C18
10K
10K
10K
NC
R24
100
R25
100
R26
100
FAN_CTL
C19
C20
C21
47P
47P
47P
R30
10K
R31
10K
LD1
TO SWITCH BOARD
1
PICH=2.0
PICH=2.0
POW_SW
2
5
5
3
4
4
LED1
3
3
2
2
LED2
1
1
S1
J1
JP3
R42
0(OPEN)
4
5
6-1
6
7
C1 B2
+F1
C30
0.1u
VCC
22
SEG8
21
C8
SEG7
20
0.1u
19
18
17
16
15
14
VDD
13
KEY4
12
KEY3
1N4148
1N4148
D6
D7
K2
K3
R41
0
POW_SW
R40
0
K4
POW_SW1
R20
0
K5
R17
0
K6
C32
NC
R32
R33
10K
10K
6
7
8
A
C1
B2
C2
B2
C3
B4
C4
B4
C5
B4
C6
B2
C7
B3
C8
C7
C9
C3
C10 C4
C11 C5
C12 C3
C14 C4
C15 C4
C16 C4
B
C17 D4
C18 D5
C19 D5
C20 D5
C21 D5
C24 D3
C26 E6
C27 E3
C28 E3
C29 B5
C30 B6
C31 C3
C32 D6
C33 B4
C34 B4
C35 B4
C36 E1
D1
B3
D2
B2
D5
C2
D6
D6
D7
D7
D8
C3
D9
E1
C
FB1 C4
FB11 C4
FB2 B4
FB3 B4
J1
E4
JP1 B3
JP2 E3
JP3 E5
K2
D6
K3
D6
K4
D6
K5
D6
K6
E6
LD1 E4
Q2
B1
Q3
B3
Q4
B2
Q5
B2
Q7
D2
Q8
D2
Q9
E1
R2
B2
R4
B2
R5
B2
R6
B3
D
R12 B3
R13 B2
R14 B2
R17 E6
R18 C4
R19 D5
R20 D6
R21 D4
R22 D4
R23 D5
R24 D4
R25 D4
R26 D4
R27 D2
R28 E2
R29 E2
R30 E6
R31 E6
R32 E6
R33 E6
R34 E2
R35 D4
R36 E1
R37 E2
R38 E2
E
R39 C2
R40 C2
R41 C2
R42 E5
R43 C4
R44 C4
R47 E2
R48 E1
R49 E1
S1
E4
U1
B5
U2
C5
U3
C3
U4
D3
Y1
C4
F
8
Advertisement
