Philips FX20 Service Manual page 33

8-5
Circuit Diagram - Front Control board
A
MCU3V3
R94 R94
10K 10K
Q10 Q10
NFC
PNP_3CG3906M PNP_3CG3906M
R98 R98
10K 10K
R95 R95
10K 10K
1
XS5 XS5
NFC_BT R99 0 R99 0
NFC_BT
Q9 Q9 3
3
NFC_INT R96 0 R96 0 N_2SK3018 N_2SK3018 2
NFC_INT 2
R100 0 R100 0 1
G 1
3PIN/2.0mm/60mm 3PIN/2.0mm/60mm
R118 R118
1M 1M C64 C64
10uF/16V/X5R 10uF/16V/X5R
C65 C65
4.7uF 4.7uF
24PIN/1.0mm 24PIN/1.0mm
26
26
25
25
24
24
23
23
22
22
21
21
20
20
19
19
18
18
17
17
16
16
15
15
14
14
13
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
2 4
4
3
3
2
XP82 XP82 2
1
1
C127 C127
J8 J8 C94 C94 C159 C159 C161 C161 C134 C134 C141 C141 C113 C113
D
0 0
A
SW31 SW31
TAC020 TAC020
SW1 SW1
KEY1
<Description> <Description>
C13 C13
47pF/50V/NP0 47pF/50V/NP0 R44 R44
47K 47K
SW35 SW35
TAC020 TAC020
SW5 SW5
3 KEY2
<Description> <Description>
C17 C17
47pF/50V/NP0 47pF/50V/NP0 R48 R48
47K 47K
SW39 SW39
TAC020 TAC020
SW9 SW9
KEY3
<Description> <Description>
C21 C21
47pF/50V/NP0 47pF/50V/NP0 R52 R52
47K 47K
SW43 SW43
TAC020 TAC020
SW13 SW13
KEY4
<Description> <Description>
C25 C25
47pF/50V/NP0 47pF/50V/NP0 R55 R55
47K 47K
4
A
B
XP11 XP11
14 13
PIO8
BT_RESET 12 11 BT_STATUS +5VA
BT_POWER_CONTROL 10 9 BT_STATUS1_PAIR
BT_FN 8 7 BT_R
6 5 R3 R3
4 3 BT_L 10K 10K
NFC_BT 2 1
NPN_3DG3904M NPN_3DG3904M
MCU3V3 +12V
14PIN/2.0mm 14PIN/2.0mm
R9 R9 8.2K 8.2K
Q5 Q5
J15 J15 0 0 NPN_3DG3904M NPN_3DG3904M
J16 J16 0 0
J14 J14 0 0
C2 C2
3300pF/50V/X7R 3300pF/50V/X7R
R14 R14 500/800mA 500/800mA VFD_CS
R16 R16 500/800mA 500/800mA VFD_CLK
R17 R17 500/800mA 500/800mA VFD_DATA
R18 R18 500/800mA 500/800mA
-24V
R19 R19 500/800mA 500/800mA
+12V
R20 R20 500/800mA 500/800mA
+5VA
R22 R22 0 0 BT_STATUS1_PAIR
VOL-
VOL+
ADC_KEY
IR
LED_EN
BT_FN
R23 R23 0 0 J3 J3 0 0
MCU3V3
R24 R24 0 0 BT_POWER_CONTROL
R25 R25 0 0 BT_RESET
R26 R26 0 0 NFC_INT
R29 R29 0 0 BT_STATUS
BT_L
R47 R47 0 0
VR1 VR1
R51 R51 0 0 BT_R
5 2
LED_CTR GND VOL-
PIO8
4
GND
C117 C117 C118 C118 C126 C126 C136 C136 C138 C138 C128 C128
3 1
GND VOL+
ENCODER ENCODER
100pF/50V/NP0 100pF/50V/NP0
A
SW32 TAC020 SW32 TAC020
SW2 SW2
J10 J10 0 0
K1 KEY1 K2 KEY1
<Description> <Description>
C14 C14
47pF/50V/NP0 47pF/50V/NP0 R45 R45
47K 47K
SW36 SW36 TAC020 TAC020
SW6 SW6 KEY2 J9 J9 0 0 KEY2
KEY2
<Description> <Description>
C18 C18
47pF/50V/NP0 47pF/50V/NP0 R49 R49
47K 47K
SW40 SW40
TAC020 TAC020
SW10 SW10
KEY3 J4 J4 0 0 KEY3
<Description> <Description>
C22 C22
47pF/50V/NP0 47pF/50V/NP0 R53 R53
47K 47K
SW44 SW44
TAC020 TAC020
SW14 SW14
KEY4 KEY4
<Description> <Description>
C26 C26
47pF/50V/NP0 47pF/50V/NP0 R56 R56
47K 47K
B
C
+12V AC2
R1 R1 + CE4 + CE4
470 470 47uF/25V 47uF/25V
NPN_3DG3904M NPN_3DG3904M
R5 R5
R4 R4 2.2 2.2
Q1 Q1
Q2 Q2 470 470
C1 C1 0.1uF/50V/X7R 0.1uF/50V/X7R CE1 CE1 3.3uF/50V 3.3uF/50V R7 R7 470 470 R8 R8 330/1% 330/1%
Q3 Q3
NPN_3DG3904M NPN_3DG3904M
R10 R10 4.7K 4.7K
Q4 Q4 ZD1 ZD1
PNP_3CG3906M PNP_3CG3906M R11 R11
C28 C28 R13 R13 10K 10K
BZX79C6V2 BZX79C6V2
C29 C29
R12 R12 10K 10K
1K 1K
100pF/50V/X7R 100pF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R -24V
MCU3V3
R21 R21
1K 1K
R63 R63
100 100
R62 R62
IR1 IR1
3 +5VA
VCC
2 10K 10K
GND
1 IR
IR
C6 C6
IRM_8.3mm IRM_8.3mm
C12 C12 4.7uF 4.7uF
C31 C31
C33 C33
10uF/16V/X5R 10uF/16V/X5R
+5VA
R30 R30 22 22 VOL-
R40 R40 22 22 VOL+
VFD_DATA R41 R41 100 100
C10 C10 C11 C11
VFD_CLK R42 R42 100 100
100pF/50V/NP0 100pF/50V/NP0
VFD_CS R43 R43 100 100
LED 3
SW33 SW33 TAC020 TAC020 2
ADC_KEY 1
3pin/2.0mm/60mm 3pin/2.0mm/60mm
SW3 SW3
K3
<Description> <Description>
C15 C15
R46 R46
47pF/50V/NP0 47pF/50V/NP0
47K 47K
SW37 SW37 1
XP84 XP84
1
LED 2
2 2PIN/2.0mm/190mm 2PIN/2.0mm/190mm
TAC020 TAC020
SW7 SW7
R60 R60 ADC_KEY
1
XP3 XP3
1.8K 1.8K 1
<Description> <Description> 2
2PIN/2.0mm 2PIN/2.0mm
2
SW41 SW41
LED7 LED7
TAC020 TAC020
SW11 SW11
LED_BULE LED_BULE
<Description> <Description>
LED8 LED8
C23 C23
R54 R54 LED J2 J2 0 0 J1 J1 0 0
47K 47K
47pF/50V/NP0 47pF/50V/NP0
LED_BULE LED_BULE
SW45 SW45
100pF/50V/NP0 100pF/50V/NP0
LED11 LED11
TAC020 TAC020
SW15 SW15
LED
<Description> <Description>
LED_BULE LED_BULE
C27 C27
100pF/50V/NP0 100pF/50V/NP0 LED10 LED10
47pF/50V/NP0 47pF/50V/NP0 R57 R57
47K 47K
LED_BULE LED_BULE
C
8-5
D E
VFD1 VFD1
- -
AC2
AC1 R6 R6 5.6 5.6
CE2 CE2
3.3uF/50V 3.3uF/50V
-24V
U1 U1
34 22
G4 SEG8
35 21
G3 SEG7
36 20
G2 SEG6/K6
37 19
G1 SEG5/K5
38 18
VDD SEG4/K4
39 DRIVER_VFD_CS6312EN DRIVER_VFD_CS6312EN 17
LED4 SEG3/K3
R28 R28 40 16
LED3 SEG2/K2
41 15 +5VA
51K 51K
LED2 SEG1/K1
C7 C7 42 14
LED1 VDD
0.1uF/50V/X7R 0.1uF/50V/X7R 43 13
GND KEY4
44 12
OSC KEY3
C16 C16
4.7uF 4.7uF
J5 J5
0 0
R31 R31 R32 R32 R33 R33
1K 1K 1K 1K 1K 1K R34 R34
4.7K 4.7K
+5VA
MCU3V3
XP1 XP1
5
3 5
4
R58 R58
2 4
3
4.7K 4.7K
1 3
2 LED_RED LED_RED
2
1
1
XP83 XP83
5PIN/2.0mm 5PIN/2.0mm
R67 R67 30K 30K
+5VA Q6 Q6
NPN_3DG3904M NPN_3DG3904M
R61 R61 30K 30K
R66 R66
20K 20K
+5VA
R65 R65
R69 R69
R68 R68
10K 10K
2K 2K
22 22
R27 R27
2K 2K
LED_EN
Q7 Q7
Q11 Q11
NPN_MMBT8050C NPN_MMBT8050C NPN_MMBT8050C NPN_MMBT8050C
LED
D E
1
2
LED1 LED1
Q8 Q8
NPN_3DG3904M NPN_3DG3904M
R59 R59
3
2K 2K
R64 R64
2K 2K
R50 R50
2K 2K
LED_CTR
4