Circuit Diagram - Philips Freeman 7525 Service Manual

5

5. Circuit Diagram

VDD12VRAW
CN26 CN26
VDD5VRAW
2 1
D
4 3
6 5
8 7
10 9
12 11
DIMMING BLON/OFF
14 13
7 DIMMING
7x2 7x2
DIP/7X2P/P2.0 DIP/7X2P/P2.0
GND
V5VP1 GOT FROM VDD5VRAW.
----2011-01-14.
VDD5VRAW VDD5VP1
FBA10 FBA10
MPZ1608S221A MPZ1608S221A SW
2 1
10uF/16V 10uF/16V 100nF 100nF
CA16 CA16 CA17 CA17
GND GND
C
3A part
VDD5VRAW
FBA5 MPZ2012S221A FBA5 MPZ2012S221A Vout=0.8(1+10k/19.1k)=1.22V
2 1
CA10 CA10 UA4 UA4 ST1S10PUR ST1S10PUR
1 8
Vin_A PGND
4.7uF/16V 4.7uF/16V
2 7
EN SW
RLF7030T-2R2M5R4 RLF7030T-2R2M5R4
3 6
VFB Vin_SW
4 5
AGND SYNC
GND
RA16 RA16 CA13 CA13
10K 10K 10uF/16V 10uF/16V
1.32V
CA34 CA34
GND GND
ST1S10 output enable
when EN >=1.2V
GND
B
VDD3V3P1
GND GND
FBJ8 FBJ8
MPZ1608S221A MPZ1608S221A
UA6 UA6
3 2
IN OUT
1
ADJ/GND
CA18 CA18 CA19 CA19
LT1084 TO-252 LT1084 TO-252 22uF/16V 22uF/16V 22uF/16V 22uF/16V
CA20 CA20
10uF/16V 10uF/16V RA23 RA23
56R 1% 56R 1% GND GND
UA2 CHANGE TO 1117-ADJ, DEL FBA2, CA4, CA5, ADD RA29, RA41.
GND ----2011-01-04
VDD5VRAW FBA18 FBA18 1.3A part
MPZ1608S221A MPZ1608S221A Vout=0.8(1+10k/3.16k)=3.33V
2 1
4.7uF/16V 4.7uF/16V UA8 UA8 ST1S10PUR ST1S10PUR
CA22 CA22
1 8
Vin_A PGND
2 7
EN SW
3 6 RLF7030T-3R3M4R1 RLF7030T-3R3M4R1
VFB Vin_SW
GND
4 5
AGND SYNC
CA25 CA25
10uF/16V 10uF/16V
A
GND GND
GND
5
4
VDD5VRAW VDD5VRAW
RA31 RA31
1K 1K
RA30 RA30
10K 10K
BLON/OFF
VDD5VRAW
QA5 QA5
1
VDD5VP BC847B BC847B QA4 QA4
BC847B BC847B
SW
RA41 RA41
GND
1K/NC 1K/NC
GND
DS2 DS2
1N4148/NC 1N4148/NC
VDD5VP
Add pull-up RA37,
change control logic of PC1
----14th Dec, 2010.
RA37 RA37
RA39 RA39
2.2K 2.2K
10K 10K
RA40 RA40 RA38 RA38
10K 10K 0R/NC 0R/NC
QA3 QA3 1 PC1
BC847B BC847B
RA9 RA9
22K 22K
QA7 QA7
1
BC847B BC847B Add RA38, RA39, RA40, QA7
GND In case control logic can not change,
then hardware solution givin.
----24th Dec, 2010.
GND
V1V2P1
FBA6 FBA6 MPZ2012S221A MPZ2012S221A
2 1
LA1 LA1
FBA2 FBA2 MPZ2012S221A MPZ2012S221A
2 1
150pF 150pF
GND
REG_OUT_1V2 14
10K 1% 10K 1% 0R RA71 0R RA71
RA12 RA12
VDD12VRAW
+1V8_A
RA21 RA21
120R 1% 120R 1%
VDD5VRAW FBA19C FBA19C
MPZ1608S221A MPZ1608S221A
2
ADD CA28----2011-01-04. V3V3P1
4.7uF/16V 4.7uF/16V
FBA20 FBA20 MPZ2012S221A MPZ2012S221A
2 1
LA5 LA5
FBA1 FBA1 2 1 MPZ2012S221A MPZ2012S221A
GND
10K 1% 10K 1%
RA27 RA27
4
3
RA15 RA15
10K 10K
RA32 RA32
0R/NC 0R/NC
RA10 RA10
10K 10K
PANEL_CTL2
1
PANEL_CTL2 7
GND
Mute
Mute 13
RA33 RA33
0R/NC 0R/NC
DIMMING
VDD5VRAW
RA33A RA33A RA35 RA35
0R 0R 1K 1K
RA36 RA36
10K 10K
CN1 CN1
2
BL_SEL BL_SEL CON2/2.54_LOCK CON2/2.54_LOCK
1
RA34 RA34
PC1 9
10K 10K
PWM4
1
QA6 QA6
PC1 P1 BC847B BC847B
0 ON
1 OFF
GND
V3V3P1 FBA8 FBA8 V2V5P1
D2 D2 MPZ1608S221A MPZ1608S221A
2 1
1N4001/SM4001 1N4001/SM4001
GND
FBJ1 FBJ1 UA7 UA7
MPZ1608S221A MPZ1608S221A
2 1 1 2 +5V_ATV
VIN VOUT
7805/TO252 7805/TO252
10uF/16V 10uF/16V
CA23 CA23
GND
1.5A part
Vout=0.8(1+10k/(1k+10k))=1.53V
1
modify 2011.07.29
UA9C ST1S10PUR UA9C ST1S10PUR
CA31C CA31C
1 8
Vin_A PGND
2 7
EN SW
3 6 RLF7030T-2R2M5R4 RLF7030T-2R2M5R4
VFB Vin_SW
GND LA6C LA6C
4 5
AGND SYNC
CA33C CA33C
10uF/16V 10uF/16V
GND GND
GND
3
2
VDD3V3P
VDD5VP
UA2 UA2
3 2
IN OUT
1 CA6 CA6 RH1 RH1
ADJ/GND
10uF/16V 10uF/16V
120R 1% 120R 1%
RH2 RH2 LT1117_ST LT1117_ST
200R 1% 200R 1% GND
UA2 CHANGE TO 1117-ADJ, DEL FBA2, CA4, CA5, ADD RA29, RA41.
----2011-01-04
GND
CHANGE UA2 TO 78L08, DEL CA2, CA1, FBA1
----2010.12.31
VDD12VRAW
UA1 UA1
3 1
IN OUT
10uF/16V 10uF/16V
CA3 CA3
78L08/SOT-89 78L08/SOT-89
GND
VDD3V3P2
V3V3P1 FBA3 FBA3
MPZ1608S221A MPZ1608S221A
2 1
DEL UA3, CA7, CA8, CA9. PC2 CONTROL DEL.----2011-01-04
PWM4 7
10 +5V_ATV +5V_ATV
14 V8VP1 V8VP1
4,14 V1V5P1 V1V5P1
3,6,8,9,10,11 VDD5VP1 VDD5VP1
7,10,14 V3V3P1 V3V3P1
14 V2V5P1 V2V5P1
10,14 V1V2P1 V1V2P1
2,7,13 VDD12VRAW VDD12VRAW
7,10,13 VDD5VRAW VDD5VRAW
3,5,8,10,14 VDD3V3P1 VDD3V3P1
3,7 VDD5VP VDD5VP
3,6,9 VDD3V3P VDD3V3P
2,3,4,5,6,7,8,9,10,11,12,13,14 GND
GND
VDD5VP2 VDD5VP2
12,13 VDD3V3P2 VDD3V3P2
AMP_VCC
13 AMP_VCC
FBA7 FBA7
MPZ2012S221A MPZ2012S221A
VDD12VRAW
AMP_VCC
2 1
2 1
FBA9 FBA9 MPZ2012S221A MPZ2012S221A
V1V5P1
FBA23C FBA23C MPZ2012S221A MPZ2012S221A
2 1
FBA23B FBA23B MPZ2012S221A MPZ2012S221A
2 1
RA41C RA41C
0R 0R
RA41C1 RA41C1
REG_OUT_1V5
RA28C RA28C 0R 0R
10K 1% 10K 1%
2
1
D
H6 H6
HOLE/GND HOLE/GND
V8VP1 9 2
9 2
8 3
8 3
7 4
7 4
6 5
6 5
GND
H4 H4
HOLE/GND HOLE/GND
9 2
9 2
8 3
8 3
7 4
7 4
6 5
6 5
GND
H3 H3
HOLE/GND HOLE/GND
9 2
9 2
8 3
8 3
7 4
7 4
6 5
6 5
C
GND
H2 H2
HOLE/GND HOLE/GND
9 2
9 2
8 3
8 3
7 4
7 4
6 5
6 5
GND
H1 H1
HOLE/GND HOLE/GND
9 2
9 2
8 3
8 3
7 4
7 4
6 5
6 5
GND
B
A