Ssb: Dc/Dc - Philips 32PFL7332/93 Service Manual

Circuit Diagrams and PWB Layouts

SSB: DC/DC

1 2
DC - DC
B02
A
5B13 22u
GNDSND
GNDSND
-AUDIO_POWER
RES -12V2
5B10 22u
RES +12V2
5B11 22u
5B12 22u
+AUDIO_POWER
GNDSND
5V2
+5V_STANDBY
*
4C55
*
4C56
*
4C61
*
4C62
RES *
4C57
+5V_SW
B RES * *
4C58
RES
4C59
RES *
4C60
*
LCD 4C55 / 4C56 / 4C61 / 4C62
PDP 4C57 / 4C58 / 4C59 / 4C60
BL_ADJUST
FC26
RES
POWER_DOWN 4C01 IB18
BL_ON_OFF FC27
FB32
BACKLIGHT_BOOST FB33
C
STANDBY FC28
+5V_STANDBY
FC29 FB34
+12V_DISP
D
+5V_STANDBY
ITV Connector
1B11
1
2
3
4 5
B3B-PH-SM4-TBT(LF)
E
ONLY FOR LCD
FB15
3B18 IB17
STANDBY
F
0V(5V)
4
6K8
3139 123 6263.1
1 2
LC7.1A LA
3 4
5B01
+5V_SW
1C01
10u
FB21 FB22
1
FB23 FB24
2
FB25 FB26
3
FB27 FB28
4
FB29
5
FB30
6
FC25
7
8
FB31
9
B9B-PH-K
1P11
2V9
1
2
2V8
3
4
1V6
5 GNDDC
0V(5V)
6
7
8
B8B-PH-K-S
7B02
LD1117DT33C
FB13
3 2
IN OUT +3V3_STBY
COM
+5V_STANDBY
7B05
SI4423DY
+5V_SW
3 4
7. 50
5 6
FB10
7B01
L5973D 8
Φ
VCC VREF
1
OUT
3
INH
5
FB
2
SYNC IB12
4
COMP
GND GND_HS
9
IB19
IB14
7B04
LD1085D2T33
FB16
3 2
+5V_SW IN OUT
COM
(---V) MEASURED IN STANDBY
5 6
7 8
RES
RES
IB10
5B05
4B01
33u
IB11 5B02 FB11
5B03
33u
IB13 10u
IB20
3B12
470R
FB14 34V
IB15
7B03
2N7002
GNDTUN
FB17
+3V3_SW
7 8
9
1B11 D2 FB29 B3
1C01 A3 FB30 B3
B02
1P11 C3 FB31 B3
2B10 B8 FB32 C2
2B11 B9 FB33 C2
2B12 B4 FB34 C2
2B13 B8 FC25 B3
2B14 B6 FC26 C1
2B15 B6 FC27 C1
A
2B16 B7 FC28 C1
2B17 D1 FC29 C1
2B18 D3 IB10 A8
2B19 C8 IB11 A7
2B20 D7 IB12 B6
2B21 E7 IB13 B7
2B22 F2 IB14 C6
+1V8S_SW
2B24 F3 IB15 C7
2B25 F3 IB17 F2
2B11
2C55 A2 IB18 C2
2C56 A2 IB19 B6
2C57 B2 IB20 B8
B
2C58 C2
2C59 B2
2C60 A2
2C61 A2
3B10 B7
3B11 C6
3B12 B7
3B13 C7
3B14 C7
3B15 D7
3B17 F2
3B18 F2
C
3B19 C7
+VTUN
4B01 A8
4C01 C2
4C55 B1
4C56 B1
4C57 B1
4C58 B1
4C59 B1
4C60 B1
4C61 B1
4C62 B1
D 5B01 A4
5B02 A8
5B03 A8
5B04 C7
5B05 A8
5B06 C7
5B10 A1
5B11 A1
5B12 A1
5B13 A1
6B01 B7
6B02 C9
E
6B03 C8
7B01 A5
7B02 D3
7B03 D7
7B04 D6
7B05 F3
FB10 A5
FB11 A9
FB13 D4
FB14 C9
FB15 E2
FB16 D6
F
FB17 D7
FB21 A3
FB22 A3
FB23 A3
FB24 A3
FB25 A3
FB26 A3
H_17260_001.eps
FB27 B3
020707
FB28 B3
9