Ir-Kb - Sony DVP-FX850 Service Manual

DVP-FX850

4-7. IR-KB

A
B
C
D
E
F
G
05
IR-KB
DRIVER (1/2)
• See page 5-7 for printed wiring board.
1 2
DRIVER BOARD (1/2)
CN7 CN7
1 PANEL_SW
2 KEYSCAN_R1
3 KEYSCAN_R2
4 KEYSCAN_R3
KEYSCAN_R4
5
KEYSCAN_C1
6
KEYSCAN_C2
7
KEYSCAN_C3
8
9 KEYSCAN_C4
10 KEYSCAN_C5
11 KEYSCAN_C6
MAIN BOARD
12 KEYSCAN_C7
(4/5)
13 KEYSCAN_C8
14 IR_P
15 IR_IN
16
R69
1.8R/1206
17 SPR2
18 SPR1
19
R73 1.8R/1206
20 SPL2
SPL1
Wafer 1.25mm H2.0mm Black Wafer 1.25mm H2.0mm Black
SPEAKER
L
SPEAKER
R
IR1 IR1
1
2
3
IR_D3P IR_D3P
SW10 SW10
3 4
1 2
ESE13H01B
LCD PANEL
OPEN/CLOSE
DETECT
PANEL_SW
PNL_SW PNL_SW
KEYSCAN_R1
KS_R1 KS_R1
KEYSCAN_R2
KS_R2 KS_R2
KEYSCAN_R3
KS_R3 KS_R3
KEYSCAN_R4
KS_R4 KS_R4
KEYSCAN_C1
KS_C1 KS_C1
KEYSCAN_C2
KS_C2 KS_C2
KEYSCAN_C3
KS_C3 KS_C3
KEYSCAN_C4
KS_C4 KS_C4
KEYSCAN_C5
KS_C5 KS_C5
KEYSCAN_C6
KS_C6 KS_C6
KEYSCAN_C7
KS_C7 KS_C7
KEYSCAN_C8
KS_C8 KS_C8
IR_P
IR_P IR_P
IR_IN
IR_I IR_IN
4-15
3 4 5
1 2 1 2 1
D11 D11 D8 D8
CN5
1
BO-
2
BO+
1
SW1 SW1
AO-
2
AO+ H
CN6
6
SW2 SW2
X
6
SW3 SW3
x
6
R70
10R
R71 R71
33K/NC 33K/NC KEYSCAN_R4
C72
100P
KEYSCAN_C4 KEYSCAN_C4
C73 C73 KEYSCAN_C7
0.1u 0.1u
VCC3.3V
R72 R72
10K 10K
J1 PIN ARRAY 1 2 1
1
D7 D7
2
3
4
5
6
GND
SPR2
SPR2 SPR2
SPR1
SPR1 SPR1
SPL2
SPL2 SPL2
SPL1
SPL1 SPL1 GND
6 7
2 1 2 1 2
1
D12 D12 D9 D9 D13 D13
EVQPLHA15∗9
(SW1-SW9) SW7
SW4
. LCDMODE
5 6 5 6
SW5 SW5
SW8
>
DISPLAY
5 6 5 6
SW6
SW9
MENU RETURN
5 6 5 6
J1 J1
1 2 KEYSCAN_C5
1 2
5 6 KEYSCAN_C8
5 6
4 3 KEYSCAN_C6
4 3
5-direction key/EVQWHA50K 5-direction key/EVQWHA50K
2 1 2 1 2 1 2 1 2
D6 D6 D5 D4 D3 D2
4-16
8
2
D10 D10
5
5
5 5