Digital Main Cba Top View [Type D] - FUNAI LF320EM4 A Service Manual

Digital Main CBA Top View [TYPE D]

CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F602) 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.
C623
C621
C622
R623
BOND
C614
R604
C608
D607
D601
C607
R614
C605
BOND
R601
WHITE
NEUTRAL
BLACK
F602
LIVE
RISK OF FIRE-
T 2.5A L/250V
REPLACE FUSE AS MARKED
CAUTION ! :
2.5A 250V
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
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R659
R674 R675
R667
R661
D661
C610
IC602
R655 Q653
R668
D660
R613
R669
C1002
R609
D605
D609
R607
C657
R606
Q601
C606 R663
D656
BC601
C656 Q650
T601 D657
C3643
R3616
R3622 R3614
C3618
R3618 R3615
C3619
R3621
C3638
C3001
C3810
D3608
L3201
C3620
C3206
R3211
R3204 L3804
C3205 R3210
R3085
C603 C3214
C3202
D3201 C3257
C3215
R3282
8 5
C3256
C3843
C3211
Q3201
C3213 1
C3844
GT601 4
C3212
R3284
Q3202
R3213
C3210
R3202
For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
C1006
C1007
C652 C653
C1022
C1001
R1027 R1028
C1003
D1006
C1004 R1023
R1013
C1005
R1024
8
D1001 D1002
9
L1002
Q1001
C655
R3624
R3619
C654 L1001
C3628 R3625
C3642 R3641
R3634
C3629
C3686
R3626
C3150 C3144
R3623
C3145
D3109
D654
D3110 L3108
C3634
C3116 R3182
D3606
IC3009
R3242 C3142
C3143
R3241 R3824
D3806
IC3602
C3113
C3826 C3632
L3116
Q3801
D3805
R3815
C3831 C3184
R3820
C3101
C3829
R3814 C3181
C3614
C3185
C3830
C3176
R3821
R3808
1
14
IC3603
28
15
C3803 C3802 C3610 C3613
R3803 R3802
C3807
C3611
D3601
Q3502
R3186
R3184
R3559
C3812 R3102
R3560
R3089
L3803 C3821
C3838 C3836
C3839 C3837
Q3010
R3534
D3804 D3803 D3802 D3801
C3822
C3841
C3842
CN3801
C3558
D3501
CN3101
C3559
10-41
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.
CN1001
L3913 D3901 C3905
C3612 R3632 R3631
4 1
TP3902
C3907
TP3901
R1036
5 8 R3936
R1021
R1035 R3938 R3207 D3903
R1029
R3206
R3636 R3937 D3902
C1014
1 R1010
R3635
R3864
R1009
R3866 R3865
C3860 R3813 C3348
C1012
Q3861
16
D1007
IC3019
R3823
R3861
4
1
R3853
R3851 C3851
C3710 C3705
R3852
C3852
8
5
IC3851
C3857
R3126
Q3802
R3479
R3180
Q3701
R3819
R3147 R3150
R3711 R3710 R3160
R3818
C3707 R3708
R3716
C3123
C3133
46 1
47
156
R3104
R3109 R3022
R3023
R3101
C3023
78
D3008
125
124
79
C3110
R3129
C3182
R3170
R3168 R3002
C3073
R3094
R3093 C3175
C3153
R3214
IC3006
1 30
Q3103 R3018
R3019
D3204
R3111
R3197
R3050
CN3102
R3042
R3017
100
0.175
C9320 C9319
C9315
24
R9303 C9309
25
C9310
C3910 16
D3904
C9306
C9305
9
R9302
R9301
32
1 IC9301 8
JK9301
JK3703
R3718
R3717
R3704
C3704 R3702
D3703
C3713
R3707
R3714
R3706
C3718
R3713
R3715
C3715
C3709
C3009
D3049
5 1
10 6
15 11
R3339
D3041 D3302 D3054
R3321
R3078
R3015
C3255
R3326
R3014
C3254
R3080
R3076
R3074
R3071
CN3010
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