Ssb: Psu & Inverter I/F (B18) - Philips PICO 19PFL3405/12 Service Manual

Circuit Diagrams and PWB Layouts
SSB: PSU & Inverter I/F
PSU & Inverter I/F
B18
1 2
1 2
FB7103 FB7103 120R/600mA 120R/600mA
A
1 2
FB7105 FB7105 120R/600mA 120R/600mA
R7101 R7101
PSU INTERFACE 10K1/16W(NC) 10K1/16W(NC)
CN7101 CN7101
FB7108 FB7108
1 BL_ON_OFF 1 2
2 BL_BRI_ADJ 120R/6000mA(NC) 120R/6000mA(NC)
3 + + C7117 C7117
4 +12V_IN 470uF 25V(NC) 470uF 25V(NC)
B
5
6
7
FB7109 FB7109
8 +24/16V_IN
9 1 2
10 PWR_ON_STBY 120R/6000mA 120R/6000mA
11 +5V2_STBY + + C7110 C7110
12
13 330UF 35V 330UF 35V
CONN CONN R7131 8.2K +-5% 1/10W R7131 8.2K +-5% 1/10W
C
FB7104 FB7104
For PS
120R/600mA 120R/600mA
FB7106 FB7106
1 2
120R/6000mA 120R/6000mA
+ + C7107 C7107
470uF 10V 470uF 10V
D
R7120 R7120
3.3K 1/16W 3.3K 1/16W
R7121 R7121
10K1/16W 10K1/16W
E
(From _STBC_PWEN)
+5V_STBY
R7128 R7128
F
1K 1/16W 5% 1K 1/16W 5%
ZD7101 ZD7101
1
BAT54 BAT54
R7126 R7126
R7130 R7130
PW_EN 100K1/16W 100K1/16W
11,20 SYSTEM_PWR_EN
Q7107 Q7107
10K1/16W 10K1/16W BC847C BC847C
H: ON R7129 R7129
G
L: STANDBY
10K1/16W 10K1/16W
H
1 2
TPN1.1E LA 10.
3 4 5
INVERTER_ON_OFF
19" & 22"
BRIGHT_ADJ
R7117 R7117 FB7108 NC
47K1/16W(NC) 47K1/16W(NC)
C7117 NC
C7113 NC
+12V
C7113 C7113
100N 50V(NC) 100N 50V(NC) FB7115 FB7115
FB7112 NC
120R/3000mA(NC) 120R/3000mA(NC)
+24V_16V FB7114 YES
C7105 C7105 AUDIO
(Small model is 16V.)
100N 50V 100N 50V
H:ON
L: Standby.
SYSTEM_PWR_EN 11,20
ZD7102 ZD7102
BZX84C3V6 BZX84C3V6
+5V_STBY
C7116 C7116
1UF 16V 1UF 16V
PWR_OK 11
+5V_ON
TP7101 TP7101 TP7102 TP7102
3 Q7106 Q7106
1 8
S D
2 7
S D
3 6
S D
4 5 R7127 R7127
G D
C7122 C7122
10K1/16W 10K1/16W
AO4435 AO4435
1UF 10V 1UF 10V
C7121 C7121
470N 10V 470N 10V
3 4 5
EN 55
6 7 8
INVERTER ON/OFF
+3V3_ON +5V_ON
+5V_STBY
26"
YES R7113 R7113 R7109 R7109
2.2K1/16W(NC) 2.2K1/16W(NC) 2.2K1/16W 2.2K1/16W
R7116 R7116
R7110 R7110
YES
10R 1/16W 5%(NC) 10R 1/16W 5%(NC)
10K 1/16W 5%(NC) 10K 1/16W 5%(NC)
YES
R7103 R7103
Q7102 Q7102
11 BKLTPWR
YES BC847C BC847C
10K1/16W 10K1/16W
R7115 R7115
NC
10K1/16W(NC) 10K1/16W(NC)
+5V_ON
+3V3_ON
BRIGHTNESS ADJUST R7118 R7118
2.2K1/16W(NC) 2.2K1/16W(NC)
R7119 R7119
Q7101 Q7101
11 VPWM
BC847C BC847C
10K1/16W 10K1/16W
PWM control.
PANEL POWER ON
+12V PN_5V
FB7112 FB7112 FB7113 FB7113
120R/6000mA(NC) 120R/6000mA(NC)
120R/6000mA(NC) 120R/6000mA(NC)
R7122 R7122 1
2
56K 1/16W 56K 1/16W
R7123 R7123 3
4
R7124 R7124 56K 1/16W 56K 1/16W
11 PANEL_ON
Q7105 Q7105
1K 1/16W 5% 1K 1/16W 5% BC847C BC847C C7119 C7119
220NF 25V 220NF 25V
L: PANEL_VCC_OFF.
H: PANEL_VCC_ON.
6 7 8
2011-Jan-21
9 10
+5V_ON
A
R7112 R7112
2.2K1/16W 2.2K1/16W
INVERTER_ON_OFF INVERTER_ON_OFF
INVERTER_ON_OFF
H:ON
Q7103 Q7103
L:OFF
C7115 C7115
100N 16V 100N 16V
2N7002 2N7002
B
C
R7111 R7111
1K 1/16W 5% 1K 1/16W 5%
R7105 R7105
BRIGHT_ADJ
BRIGHTNESS_PWM
0R05OHM1/16W 0R05OHM1/16W
C7112 C7112
BL :
0V : Inverter OFF
1UF 10V(NC) 1UF 10V(NC)
3.3V : Inverter ON
BL PWM :
D
Duty ratio.
E
+5V_STBY
FB7114 FB7114
120R/6000mA 120R/6000mA
PANEL_VCC
TP7103 TP7103 TP7104 TP7104
F
C7120 C7120
Q7104 Q7104
8 100N 50V 100N 50V
S D
7
FB7111 FB7111
S D
6
S D
5 1 2
G D
120R/6000mA 120R/6000mA
AO4435 AO4435
C7118 C7118
R7125 R7125
100N 50V 100N 50V
10K 1/10W 5% 10K 1/10W 5%
G
H
9 10
PSU & INVERTER I/F
B18
CN7101 B1 C7105 B3
C7107 D2 C7110 B2
C7112 D9 C7113 B3
C7115 B9 C7116 D3
C7117 B2 C7118 G9
C7119 G8 C7120 F9
C7121 G3 C7122 G4
FB7103 A2 FB7104 C1
FB7105 A2 FB7106 C3
FB7108 B3 FB7109 B3
FB7111 F9 FB7112 F7
FB7113 F8 FB7114 F8
FB7115 B4 Q7101 D7
Q7102 B8 Q7103 B8
Q7104 F8 Q7105 G7
Q7106 F3 Q7107 G3
R7101 A3 R7103 B7
R7105 C8 R7109 A8
R7110 A7 R7111 C8
R7112 A8 R7113 A7
R7115 B7 R7116 A8
R7117 A3 R7118 C7
R7119 D7 R7120 D2
R7121 D2 R7122 F7
R7123 F8 R7124 G7
R7125 G9 R7126 F3
R7127 F4 R7128 F3
R7129 G2 R7130 G2
R7131 C3 TP7101 F4
TP7102 F4 TP7103 F9
TP7104 F9 ZD7101 F3
1 2010-04-02
715G3891
18860_517_100518.eps
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