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

Digital Main 3 Schematic Diagram [TYPE G]

1 NOTE:
The order of pins shown in this diagram is different from that of actual IC3101.
IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section.
JK3701
COMPONENT-Y
R3126
/VIDEO-IN C3701
75
10P
COMPONENT
-Pb-IN C3702 R3125
10P 75
COMPONENT
-Pr-IN C3703 R3127
4
10P 75
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
(NO CONNECTION) CN3010
AL+5V 1
UART0-TX 2
UART0-RX 3
GND 4
C3253 C3254 C3255
R3396 OPEN OPEN OPEN
R3395
CONTINUE
OPEN OPEN
DIGITAL 5
P-ON+3.3V
AL+3.3V
AL+5V
AMP+13V
R3811
10K
CONTINUE
2 DIGITAL 4
UARTRXD0
UARTTXD0
R3814
10K
CONTINUE
DIGITAL 5
BACKLIGHT-SW
AMP-MUTE
HP-MUTE
C3830 R3815
0.1 100K
R3812
10K Q3801
2SC4081UBTLQ
1
(SWITCHING)
D3806
OPEN
D3805
OPEN
N
R3144 33
R3136 33
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
R3146 R3147
75 75
R3121 68
R3134 33
R3148
75
R3339 100
R3343 100
R3809 R3810
10K OPEN
IC3801
R3821 R3820
MP7752GF-Z
OPEN OPEN
(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
CONTROL
6 23
DRIVE
C3802 0.22
7 AVCC 22
R3868
C3815 R3807 OPEN C3803 0.22
10K
1 8 GND 21
DRIVE
C3816 1
9 GVDD 20
R3808
C3817 1 OPEN
C3824 C3825
10 GND 19
4.7 4.7
C3819 1
11 18
POWER PWM
DRIVE
C3806 1 LIMIT LOGIC C3804 0.22
12 17
13 NU PVCCR 16
14 PBTL PVCCR 15
C3827 C3828
C3829
4.7 4.7
100/16V
O P
*1
IC3101(2/5)
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(1/5)
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(3/5)
18
C3134 0.047
19
20 VGA-VSYNC
TO DIGITAL
MAIN 4
IC3101(3/5)
USB(-) 123
USB(+) 124
R3115 47
116VGA-SDA
R3114 47
117VGA-SCL
R3198 100
62 SPDIF
C3126 2.2
35
C3125 2.2
VBUS-ST 138
34
TO DIGITAL
VBUS-EN 61
MAIN 6
IC3101(5/5)
AUDIO
I/F
TO DIGITAL
MAIN 6
44 IC3101(5/5)
45
46 HP-DET 99
47
R3813 D3811
OPEN GR1B
C3852
R3852
0.33
20K
R3816
33
R3824 R3866 C3860
OPEN 100K OPEN
R3861
OPEN Q3861
R3867 C3858
OPEN
47K 1
C3857
R3862
10
OPEN
C3851
R3851
0.33
20K
R3823
OPEN
L3801
22uH
L3811
R3801 C3811 C3820 C3836 C3837 D3801
OPEN
OPEN 1000P 1 OPEN OPEN OPEN
C3807
OPEN
L3802
22uH
L3812
R3802 C3812 C3821 C3838 C3839 D3802
OPEN
OPEN 1000P 1 OPEN OPEN OPEN
C3808
OPEN
L3803
22uH
R3803 L3813 C3813 C3822 C3841 C3842 D3803
OPEN
OPEN 1000P 1 OPEN OPEN OPEN
C3809
OPEN
L3804
22uH
L3814
R3804 C3814 C3823 C3843 C3844 D3804
OPEN
OPEN 1000P 1 OPEN OPEN OPEN
C3810
OPEN
Q
10-32
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
1
2 GND
3 /FLAG RN 4
R3176 22
R3479
10K
R3480
10K
R3129
100
R3865
OPEN
R3705
10K
C3710
R3854
220/10V
33K
R3856 D3701 R3702
100K OPEN 1K
4 3 2 1
BIAS VCC
IC3851
JK3703
TS488IQT HEADPHONE
(HEADPHONE AMP) JACK
C3704
D3703
GND STDBY 0.1
OPEN
5 6 7 8
C3705
220/10V
R3853
R3855 D3702 R3704
33K
100K OPEN 1K
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
FL14.10GSCD3