Philips 40PFL4706/F7 Service Manual page 46

Digital Main 9 Schematic Diagram
SPEAKER R-CH
CN3801
SP(R)- 1
SP3801
SP(R)+ 2
4
D3803 D3804 C3804
SP(L)- 3
OPEN OPEN 0.47
SP(L)+ 4
SP3802
SPEAKER L-CH
R3802
OPEN
3
C3820
10
R3812
OPEN
R3801
22K
2
C3811
0.1
D3801 D3802 C3807
OPEN OPEN 0.47
R3808
OPEN
R3809
OPEN
R3810
OPEN
R3811
OPEN
1
DIGITAL MAIN CBA UNIT
AW
C3802 C3816
0.47 470P
C3806
C3815
OPEN
470P
C3838 C3825 C3805 L3801 C3830
L3802
470/16V 1000P 0.47 22uH 1000P
22uH
C3834 C3833
0.47 0.47
24 23 22 21 20 19 18 17 16 15 14 13
25 GND GND 12
DRIVE2
26 NU PROT 11
27 GAIN2 VREF 10
PWM
28 GAIN1 9
GENERATOR
/GAIN
29 NU CONTROL 8
30 RREF AVCC 7
31 DVDD GND 6
PWM
32 VDD 5
GENERATOR
/GAIN
33 RLMT CONTROL 4
34 ROSC 3
MUTE CONTROL
35 NU STBY-L 2
DRIVE1
36 GND GND 1
37 38 39 40 41 42 43 44 45 46 47 48
IC3801
R2A15120FA-W00T
(AUDIO AMP)
C3837 C3831
0.47 0.47
L3804 L3803
22uH 22uH
C3808 C3822 C3839 C3823 C3810
0.47 1000P 220/16V 1000P 0.47
C3832
OPEN
C3814 C3809 C3813
470P 0.47 470P
AX AY
R3881
OPEN
C3803 Q3801
0.47 OPEN C3845 R3882
OPEN OPEN
(SW+12V)
8 1
Q3802
7 2
OPEN
(SWITCHING)
6 3
5 4
C3858
OPEN
R3916
OPEN
R3804
47K
C3824
10
C3827 R3817
1 2.7K
C3819
1
C3821
R3818 C3828
10
OPEN 470P
R3813
C3812
47K
1
C3829 R3806
1 2.7K
R3807 C3836
OPEN 470P
R3814
1K
C3801
0.1
C3901 C3902 C3914
4.7 OPEN OPEN
R3922
OPEN
C3917 R3925
0.1 100K
Q3902
TPC8123
(SW+12V)
8 1
Q3901
7 2
2SC4081UBTLQ
(SWITCHING)
R3923
6 3
430K
5 4
C3920 R3924
1 OPEN
AZ
10-11
D3805
OPEN
R3907
OPEN
R3915
OPEN
R3109
R3101
100
36K
R3112
10K
CONTINUE
DIGITAL 5
AMP(R)
AMP(L)
AMP-MUTE
CONTINUE
DIGITAL 4
AMP-MUTE
PROTECT1
LCD-P-ON
P-ON-H1
CONTINUE
DIGITAL 8
P-ON+12V
P-ON+5V
AL+5V
CONTINUE
DIGITAL 7
LCD+12V
CONTINUE
DIGITAL 7
BACKLIGHT-SW
BACKLIGHT-ADJ
TO POWER SUPPLY
CN3101 CBA UNIT CN2
1 BACKLIGHT-SW
R3113 1K
2 BACKLIGHT-ADJ(DC)
3 P-ON-H1
4 GND
R3114 0
5 BACKLIGHT-ADJ(PWM)
6 AL+5V
7 GND
8 GND
9 GND
10 GND
11 P-ON+12V
12 P-ON+12V
13 P-ON+12V
14 P-ON+12V
BA BB
PL11.3SCD9