Digital Main 3 Schematic Diagram [Type E] - FUNAI LF320EM4 A Service Manual

Digital Main 3 Schematic Diagram [TYPE E]

1 NOTE:
The order of pins shown in this diagram is different from that of actual IC3101.
IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section.
JK3701
COMPONENT-Y
/VIDEO-IN R3126
C3701
75
10P
COMPONENT
C3702 R3125
-Pb-IN
10P 75
COMPONENT
-Pr-IN C3703 R3127
4
10P 75
R3715
0
C3706 R3709
1 220
DIGITAL
AUDIO OUT
C3709 C3715 R3708
(COAXIAL)
100P OPEN
110
R3706
10K
AUDIO(L)-IN
C3720 R3713 C3718
330P 12K 560P
R3707
10K
AUDIO(R)-IN
C3719 R3714 C3713
330P 12K 560P
JK3005
PC-RGB-IN
1 6 11
2 7 12
3 8 13
3
4 9 14
5 10 15
R3014 R3015
0 0
(NO CONNECTION) CN3010
AL+5V 1
UART0-TX 2
UART0-RX 3
GND 4
C3253 C3254 C3255
OPEN OPEN OPEN
R3395 R3396
CONTINUE OPEN OPEN
DIGITAL 5
P-ON+3.3V
AL+3.3V
AL+5V
AMP+13V
R3811 R3863
10K 10K
CONTINUE
2 DIGITAL 4
UARTRXD0
UARTTXD0
R3814
10K
CONTINUE
DIGITAL 5
BACKLIGHT-SW
AMP-MUTE
HP-MUTE
C3830 R3815
0.1 100K
R3812 R3824
10K 0 Q3801
2SC4081UBTLQ
1
(SWITCHING)
D3806
OPEN
D3805
OPEN
N
R3144 33
R3136 33
R3123 0
C3708 C3717 C3714
0.1 OPEN OPEN
R3138
R3711
R3710 R3124
C3707
OPEN
100 R3200
1
10K R3128
Q3701
R3712 C3716
2SC4081UBTLQ
10K OPEN
(BUFFER) R3122 33
R3716
R3135 33
3.3K
R3131 0
R3146 R3147
75 75
R3121 68
R3134 33
R3148
75
R3339 100
R3343 100
R3016
0
R3809 R3810
10K OPEN
R3816
10K
R3817
47K
IC3801
R3821 R3820
TPA3110D2PWPR
OPEN 10
(AUDIO AMP)
C3826 C3831
4.7 220/16V
1 PVCCL 28
CONTROL
LOGIC
2 PVCCL 27
C3805 1 C3801 0.22
3 26
POWER PWM
DRIVE
C3818 1
LIMIT LOGIC
4 25
R3805 OPEN
5 GND 24
GAIN
R3806 0
CONTROL
6 23
DRIVE
C3802 0.22
7 AVCC 22
C3815 R3807 OPEN C3803 0.22
1 8 GND 21
DRIVE
C3816 1
9 GVDD 20
R3808
C3817 1 10K
C3824 C3825
10 GND 19
4.7 4.7
C3819 1
11 18
POWER PWM
DRIVE
C3806 1 C3804 0.22
LIMIT LOGIC
12 17
13 NU PVCCR 16
14 PBTL PVCCR 15
C3827 C3828
C3829
4.7 4.7
100/16V
O P
*1
IC3101(2/4)
MSD8220LB1-S1
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
A/D
CONVERTER
64 COMP-DET
C3118 0.047
26
C3139 0.047
22
C3119 1000P
23
33 C3140 0.047
24
68 C3141 0.047
25 NU
TO DIGITAL
68 C3124 0.047
SW
30 NU
MAIN 2
IC3101(1/4)
14 VGA-HSYNC
C3136 0.047
15
C3135 0.047
17
DIGITAL
C3137 1000P TO DIGITAL
SIGNAL
16 MAIN 4
C3117 0.047 PROCESS
IC3101(3/4)
18
C3134 0.047
19
20 VGA-VSYNC
TO DIGITAL
MAIN 4
IC3101(3/4)
USB(-) 123
USB(+) 124
R3115 47
116 VGA-SDA
R3114 47
117 VGA-SCL
R3198 100
62 SPDIF
C3126 2.2
35
C3125 2.2
VBUS-ST 103
34
TO DIGITAL
VBUS-EN 61
MAIN 4
IC3101(3/4)
AUDIO
I/F
TO DIGITAL
MAIN 4
44 IC3101(3/4)
45
46 HP-DET 99
47
R3819
R3818 10K
1.8K Q3803
2SA1576UBTLQ
R3864
(SWITCHING)
Q3802 R3866 C3860
0
2SC4081UBTLQ 100K 0.1
(SWITCHING)
C3851
R3851
1
0
R3853
R3823
OPEN
10K Q3861
2SC4081UBTLQ
(SWITCHING)
R3861
OPEN
C3852
R3852
1
0
R3854
OPEN
L3801
33uH
R3801 C3811 C3820 C3836 C3837 D3801
OPEN 1000P 1 OPEN OPEN OPEN
C3807
OPEN
L3802
33uH
R3802 C3812 C3821 C3838 C3839 D3802
OPEN 1000P 1 OPEN OPEN OPEN
C3808
OPEN
L3803
33uH
R3803 C3813 C3822 C3841 C3842 D3803
OPEN 1000P 1 OPEN OPEN OPEN
C3809
OPEN
L3804
33uH
R3804 C3814 C3823 C3843 C3844 D3804
OPEN 1000P 1 OPEN OPEN OPEN
C3810
OPEN
Q
10-21
DIGITAL MAIN CBA UNIT
L3025
R3021 5.1 OPEN
R3020 5.1
CN3009
C3246 C3348 D3052
1 220/10V OPEN
IC3019
AP2151WG-7
(HIGH SIDE SW)
1 OUT IN 5
C3327
2 GND 1
3 /FLAG RN 4
R3176 22
R3479
10K
R3480
10K
R3129
100
R3865
10K
R3705
10K
R3813
OPEN
C3705
R3718
220/10V
3.3
R3855 D3702 R3704
5.6K OPEN 10K
4 3 2 1
R3717
GND MUTE 3.3
IC3851
JK3703
BH3547F HEADPHONE
(HEADPHONE AMP) JACK
C3704
D3703
BIAS VCC 1
OPEN
5 6 7 8
C3710
220/10V
R3856 D3701 R3702
5.6K OPEN 10K
C3859 C3857 C3858
0.1 47/25V 100/16V
CN3801
1 SP(L)+
2 SP(L)-
3 SP(R)-
4 SP(R)+
R
(USB JACK)
1 BUS-POWER
2 USB(-)
3 USB(+)
4 GND
SP3801
SPEAKER
L-CH
SP3802
SPEAKER
R-CH
S
FL14.10ESCD3