Philips 19PFL3505D/F7 Service Manual page 66

Main CBA Top View [19PFL3505D/F7 (Serial No.:DS4A, XA2A)]
Because a hot chassis ground is present in the power supply
circuit, an isolation transformer must be used when repairing.
Also, in order to have the ability to increase the input slowly,
when troubleshooting this type of power supply circuit,
a variable isolation transformer is required.
5
Q1019
Q1003
C1009
R1012
C1033
D1001
D1011 D1009
Q1015
4
3
C1014
2
C601
SA601
TM601
CN872
1
C819
COLD
A
CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F601) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
D1016
J162
J199
GND C1031
J209 D1024
J210
D1038
D1023
J142
D1045
J201 J119 BL ON+15V
GND
J146
BL ON+15V
D1006
D1027 C1027
J171
Q1006
D1018
Q1016
D1013
D1008
Q1008
D1015
C1001
R1011
C1007
D1030
J173
J145
Q1010
Q1020
R1096
R1008
Q1017
R1097
JS1001
R1030
D1029
C1012
D1028
C1059
D1002 C631
R1091
Q206
C1006
R1092
C1002
R1013
J108 +31V D637
D1021
J083 +31V
J137 +31V for STBY
C694
C636
C1011
BC1001
J086
C632
D633
C633
COLD
D604
HOT
HOT
L601
T601
C603 D615
D622
C607
D621
Q601
J180
J236
R602
R618
C613
C614
TM602
AC601
/WHITE /BLACK
C610
HOT R619
RISK OF FIRE-
REPLACE FUSE AS MARKED
B
BA01NMF0101 1
CN201
J179
P-ON+3.3V
J174
VGL-7.1V
D410
J168 BL-SW
J164
J126
BL-SW J178
LCD+13V
Q1004
J175
3.5V_for+1.8V
VCOM
Q1012
J203 GND
C205
J221
GND
R218 D205
R219 R239
Q205
J078 R216
Q203
D208
R217
J153
D1017
R1031
GND
J149
D201
J081 LCD+13V
J131
J116
C1022
J051
J170 GND
J045
D210
J190 GND R664
Q637
R665
J191 GND
R662
J052
+7.0V
R661
C201
R681
D204
R222 J113 +31V
J134 +31V for STBY
C638
C7A3 A3
C641 R682
C652
D401
R671
D662
R670
C639 Q639
C643
COLD
C691 R694
R656
R650
J069 GND
R652
HOT
J070 GND
D650
C608
D608
R616
D607
D645
C635 R658
R624
D646
R635
R637
IC601
TOOL NO.
1 2 3 4 5 6 7 8 9 10
D634
C
10-23
CAUTION ! : For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
4A/125V
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
J123
VCOM-PWM
J057 +7.0V
J058 P-ON+5.0V
J169
+7.0V
3.5V_for+1.8V
JS305
JS308
J124
J064
JS306
JS307
R308 JS309
J130 PROTECT1
C307
D303
C303
D404
J147 P-ON-H1
TUNER
J139 +31V
3.5V_for+1.8V A S
D653 J109
P-ON-H2
+7.0V
P-ON+3.3V
TU301
J101
TU302 J056 SCL
TU+5.0V
J010 SDA
J011 IF-AGC
D417
C650
J107
J214
J062
C649
J044
R679
J061
D642 A-MUTE
J216 SP-GND
J185 SP-GND
R659
J125
P-ON+5V
R691
J076 LCD+13V
R684
J046
C647
SP-GND
D405 J082 S-SW
C659
D657
D412
J050
C695 D413
D407
J068
P-ON+5V
J038
C831
SP-GND
D416
Q634
J026
J022
P-ON+9V
P-ON+9V J032
SP-GND J027
GND
C809
C653 J029
P-ON+9V
J030
SP-GND
R675
C810
R676
J247
SP-L-GND
J028
SP-R-GND
C812 IC801
D808
8
J019 1
RIPPLE REJECTION CN102
D805
J007
AMP-L-HP
J008
SP-GND
D804
D414
C806
C805
D
E
GND
GND
GND
GND
GND
BA01NMF01011