Troubleshooting - FUNAI FL10.1 Service Manual

Main CBA Top View
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.
5
D1554 D1562
D1551
D1652
4
C1651
D1655
D1650
D1752
D1754
D1763
C1752 D1756
D1753
3
C1751
C1750
D1750
D1755
2
COLD
L601
1
HOT
D808 CN801A
COLD A
4A/125V
BA0171F0101 3
C1554
R1506 Q1551
2
D1552 R1507
CN201
D1555 1
D1560
FET1 D GND
R1557
D1504
J059
C1503 J058
Q1005 GND
J056
FET1 S BC1001
Q1008
R1071
J055
R1072
GND
Q1006 R1019
J053 FET1 G
FET1 S
J052 FET2 G R1022 D1007
C1502
D1503
Q1009
J050
R1505
J048
FET2 D R1504
J046 DRIVE+12.5V
C1504
C1501
FB V
J041 INV.+31V
J042
D1402
INV.+31V
R1556
J039
J040
D1665
INV.+31V
INV.+31V J038 INV1 FB D1564
D1664
C1003
J037 D1667
for RT D1565
J036 +IN3
J034 DRIVE+12.5V
D1406
J035
J032 J033 GND
GND GND
J031
FB V
C1605 D1602
D1603 D1765
D1013
R1606
D1767
Q1012
R1607
D1764
C1603
C652
J028 FET3 D
D1604
J027
GND
R1609 J026
GND
R670
C660
J021
FET4 D C1602
5Vfor3.3V
J023
J022
5Vfor3.3V
R1605
D1600
R1604
R671
+7.0V
J020
C1604
J018
BC1002 J019 GND
INV.+31V
D1658
J017 GND
J016
INV.+31V
J015
INV2 FB
R1657
D1661
R1757
J012
D1761 J013 GND
-7.5V
C1705 J109
GND
D1704 J156
R1706 GND
R1707
C1703
J011 FET5 D
C631
C632
J008 FET6 D
C636
C1702
D633
D1700
J007 +31V C638
C633
J006 +31V
D1760 C1701
C1704
R1704
Q1750
J004
R1705
D653 INV.+31V
R1709
J005
INV3 FB
D632
BC1003
RISK OF FIRE-
REPLACE FUSE AS MARKED
HOT
C603
F601
4A/125V
J002
R603
R605
FH602 FH601
Operation
R604
BC601
R606
D608
/WHITE
/BLACK
TM601
AC601
TM602
TOOL NO.
1 2 3 4 5 6 7 8 9 10
B
CAUTION ! : For continued protection against risk of fire,
replace only with same type 4 A, 125V fuse.
ATTENTION : Utiliser un fusible de rechange de même type de 4A, 125V.
10 J216
P-ON+3.3V
J212
GND
J061 11 J208
R226
GND
D1401 Q207
Q1002
J194
VCOM-PWM
C1006
J192
LCD+12.5V GND
R228
J197
Q208
J191
VCOM
J185
D1006
BL-SW R229
J190
C217
D1004 VGL-5.5V
J184
DRIVE+12.5V
J183
C209
PROTECT3
C208 J182
J181
Q1011 Q1001
D1003 BL-ADJ.
GND
D1005
REF
JS1001
JS1002
C1013 D202
C1402
R213
R1050
J166 GND
R1049
C1014
LCD+12.5V J164
D1010
Q201
JS1005
J178
D1045 GND
R208
D210 R252
D1404
R207
J205
D201 J159
LCD SW Q632
J153 J157
LCD+12.5V
P-ON+3.3V SW
D405
R244 R245
D417 J158
D660
R250
Q637
J145
-7.5V
R665
R664
J104
P-ON+5.0V
Q636
Q635
C649
C648
J014 for RESET
+7.0V R690 J217
D657
J123 C647
R663
ALL+3.3V
Q634
J112
for All+3.3V
D642
R672
D655
R651
D649
C639 Q643
D650
R682
R688
R689
C641
Q401
2 12
J105
+7.0V
J003 1 CN902 13
INV.+31V
R923
T601
R924
R925
R912
COLD R929
R927
R945
C605
C643
C604
D635
Q602
R637
D648
Q631
J001
R635
IC601
C608 D646
HOT
C812
D656
C
10-15
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.
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
J204 7.0Vfor1.0V
J193 P-ON+5.0V
D304 32V-A
32V-S
JS305 5V-A
JS308
TU+5V
J189 JS306
J187
GND JS307 5V-S
JS309
for S
J180 GND
C303
J179 PANEL+24.5V
D303
J177 VGL-5.5V
J171
TU+5V
J173 VGH+25.6V
L301
J169 P-ON-H1
J167 PROTECT1
from P-ON-H2
J165 TUNER
J162 PROTECT2
A S
J161 TU+5.0V
P-ON 3.3V
J170
J154 GND
LCD SW
J149
ALL+3.3V
J151 P-ON+5.0V
J155
J150 SCL
J146 D302
J152
SDA
from P-ON-H2
D301
PROTECT2 J147
IF-AGC
LCD+12.5V
D803
D418
for RESET
J143
J142 GND
J141
DVD-Y
J134
DVD-Pb
Q210
Q402
R679
J122
ALL+3.3V
C827
J121
D204
J118
D406 C825
R253
D203 J111 LCD+12.5V
Q205 J110
J108
R219 GND
DVD-MAIN-PWR
D415
J106 P-ON-H2
J098
C833
D412 GND
J101
P-ON+5V
D407
J103
J100
R904
P-ON+5V
M+10V
JS103
DVD-LED
D413 J107
ALL+3.3V
J094
ALL+3.3V
J091
L804
GND
2 6 2
1
J087
CN901 25
J090
C831 C834
J088 P-ON-H1-SW
GND
R926
J089
P-ON+9V
GND
GND J085
J086 GND
D905
J083
GND
J081 C838
R919
Q905
P-ON+9V
J084
Q904
D807
C917 GND
C921 C803
J080
GND
D903
Q801
D901
D908
D902
9
D806
1
IC801
J073
D665 RIPPLE REJECTION D805 J072
J071
AMP-L-HP
D804
J068
C806
SP-GND
J066
AMP-R-HP
C805
D813
J063
1 8
GND
CN102
D E
J172
GND
TU301
TU302
GND
A-MUTE
S-SW
J115
J078
SP-GND
J076
SP-GND
AMP-L-HP
BA0171F01013