Sony DVP-FX870 / DVP-FX875 Service Manual ▷ View online
DVP-FX870/FX875
3-20E
3-19
KEY ADC
LCD (2/2)
3-10. KEY ADC
• See page 4-7 for printed wiring board.
KEY0
KEY1
KEY2
KEY0
KEY1
KEY2
KEY1
KEY2
KEY0
K6
K1
K3
KEY1
K2
K4
KEY2
K7
K1
K5
K2
K6
K3
K4
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
KEY0
1
KEY1
1
KEY2
1
VCC33V
2
left
down
ESD Solutions
Close the R77/EMI solution
Close the R77/EMI solution
ESD Solutions
1.1V
0.55V
0V
0.66V
1.32V
1.97V
2.65V
0V
0.66V
1.32V
1.97V
2.65V
0V
1.65V
2.2V
2.75V
7
2
3
4
5
6
J1 PIN ARRAY
1
2
3
4
direction
5
6
up
right
enter
pin number
7
5 direction of J1
EMI solutions
SW11
SW11
R94
1.2K 1%
R94
1.2K 1%
R36
4.7K 1%
R36
4.7K 1%
R69
2.37K 1%
R69
2.37K 1%
R95
19.1K 1%
R95
19.1K 1%
D1
PESD5V0S1BB
D1
PESD5V0S1BB
1
2
SW3
SW3
R93
4.7K 1%
4.7K 1%
R93
4.7K 1%
4.7K 1%
R96
6.98K 1%
R96
6.98K 1%
SW8
SW8
SW6
SW6
R72
9.31K 1%
R72
9.31K 1%
0.
1u
C100
0.
1u
C86
0.1u
C86
0.1u
SW10
SW10
SW5
SW5
R71
4.7K 1%
R71
4.7K 1%
C84
0.1u
C84
0.1u
R97
6.98K 1%
R97
6.98K 1%
J1
5-direction key/EVQWHA50K
J1
5-direction key/EVQWHA50K
2
1
3
2
4
3
5
4
6
5
7
6
8
7
R92
0.953K 1%
R92
0.953K 1%
R98
3.16K 1%
R98
3.16K 1%
R29
0R
R29
0R
C101
100p
C101
100p
R99
0R
R99
0R
R77
4.7K 1%
R77
4.7K 1%
R101
19.1K 1%
19.1K 1%
R101
19.1K 1%
19.1K 1%
R70
1M/NC
SW2
SW2
SW1
SW1
C85
0.1u
0.1u
C85
0.1u
0.1u
C103
0.1u
C103
0.1u
D3
PESD5V0S1BB
D3
PESD5V0S1BB
1
2
SW7
SW7
R100
1.2K 1%
R100
D2
PESD5V0S1BB
D2
PESD5V0S1BB
1
2
SW9
SW9
C87
4.7uF/10V/C0805D
C87
4.7uF/10V/C0805D
KEY2
KEY2
SW4
SW4
R78
0R
R78
0R
KEY1
KEY1
C102
0.
1u
C102
0.
1u
R79
3.16K 1%
R79
3.16K 1%
KEY3
KEY3
R73
23.7K 1%
R73
23.7K 1%
R20
1M/NC
R20
1M/NC
1
N
X
x
.
>
OPTIONS
MENU
DISPLAY
RETURN
VOL+
VOL-
C
A
D
3
4
8
7
2
B
5
1
E
G
H
I
F
K
J
6
9
12
10
11
LCD BOARD (2/2)
13
14
L
DVP-FX870/FX875
4-1
4-2
SECTION 4
PRINTED WIRING BOARDS
4-1. CIRCUIT BOARDS LOCATION
LCD BOARD
MAIN BOARD
8 Inch TFT LCD Panel
2 pin
2 pin
10 Pin
10 Pin
30 Pin
LCD
BOARD
SPEAKER
L
SPEAKER
R
MAIN BOARD
30 Pin
26 Pin
13 Pin
2 Pin
20 Pin
4 Pin
RECHARGEABLE
BATTERY
PACK
PICK UP
DVP-FX870/FX875
4-3
4-4
4-2. MAIN BOARD
MAIN
: Uses unleaded solder.
• See page 4-1 for circuit boards location.
There are a few cases that the part isn't mounted in this model is printed on this diagram.
C
D
E
F
A
1
2
3
4
5
6
7
8
B
MAIN BOARD (SIDE A)
>
HOLD/POWER .
DISC
COVER
SWITCH
DVP-FX870/FX875
4-5
4-6
MAIN
C
D
E
F
A
1
2
3
4
5
6
7
8
B
MAIN BOARD (SIDE B)
B
A
PHONES
TO
RECHARGEABLE
BATTERY PACK
POWER
CHARGE
AUDIO/OPTICAL
OUT
VIDEO
1
2
DC IN 9.5V
–
+
1
LINE SELECT
OUT
IN
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