Digital Main 4 Schematic Diagram [Type A, Type B] - FUNAI LF320EM4 A Service Manual

Digital Main 4 Schematic Diagram [TYPE A,TYPE B]
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.
TU3901 (TUNER UNIT)
1 2 3 4 5 6 7
4
C3926
33P
C3927
33P
C3904 C3907
OPEN OPEN
L3913
2.2uH
D3901
C3906 C3905
MM5Z5V6B
OPEN 10
C3910
0.1
3
R3536
0
CONTINUE
R3822
DIGITAL 5
OPEN
AL+5V
C3555
P-ON+3.3V
OPEN
AL+3.3V
TO FUNCTION CBA
UNIT CN4052 CN3101
SDA(NU) 1
SCL(NU) 2
R3552
GND 3
100
KEY-IN1 4
C3559
REMOTE 5
OPEN
LED1 6
LIGHT(NU)
7
2
C3553 C3556
P-ON+5V 8
OPEN OPEN
AL+3.3V 9
C3554
1
C3551 OPEN
C3552 OPEN
R3556 R3557
OPEN OPEN
R3501 4.7K
R3502 4.7K
CONTINUE
DIGITAL 3
UARTRXD0
1
UARTTXD0
T
*1
IC3101(3/4)
MSD8220LB1-S1
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
C3150
C3174 C3143
R3152 OPEN R3187
0.1 0.1
33 51
50
DEMODULATOR
C3145 L3108
/MPEG
C3173 C3142
R3151 OPEN OPEN R3181
0.1 0.1 DECODER
33 51
49
C3144
OPEN
TO DIGITAL
MAIN 3
IC3101(2/4)
R3206 R3207
47 47
C3909 C3908
R3937
33P 33P
4.7K
D3903 D3902 R3938
MM5Z5V6B MM5Z5V6B 4.7K
59 TU-SCL
R3936
D3904
58 TU-SDA
100
MM5Z5V6B
R3179
0
48 IF-AGC
C3168 R3180
0.022 10K
L3104
22uH
C3149
1
Q3531
OPEN
R3534
OPEN
R3535
OPEN
105 SW-EN
R3503
OPEN
Q3502
2SA1576UBTLQ
(LED DRIVE)
R3103 22
120 REMOTE
R3116 4.7K
100 LED1
R3558
R3559
OPEN
10K
R3183
OPEN Q3010
OPEN
R3551 C3557 C3558
R3555
100 OPEN OPEN
OPEN
R3185
R3105
OPEN
22
R3560 130 LIGHT
Q3501
100K
2SC4081UBTLQ R3184 R3186 C3115
OPEN 39K OPEN
(LED DRIVE)
128 KEY-IN1
R3553
D3501 R3112
100
MM5Z5V6B 10K
66 SW-SCL
65 SW-SDA
R3201 100
108 FACTORY-SEL
R3080
10K
Q3011
2SC4081UBTLQ
(SWITCHING)
U V
C3172
15P
XIN 53
R3158 X3101
OPEN 24MHz C3169
18P
XOUT 54
R3157
160
TO DIGITAL
MAIN 3
IC3101(2/4)
152
151
150
149
148
147
146
145
R3042 100
134
R3050 100
135
HDMI
I/F
4
3
2
1
156
155
154
153
R3022 100
140
R3023 100
139
AUDIO VIDEO
DECODER DECODER
TO DIGITAL TO DIGITAL
MAIN 3 MAIN 3
IC3101(2/4) IC3101(2/4)
C3012
R3082
OPEN
OPEN
HDMI-ARC 115
HDMI2-HPD 107
R3109 33
HDMI1-HPD 141
R3113 100
HDMI-CEC 119
R3104 10
HDMI-5V1 142
R3075
R3077
1K
OPEN
R3071
10K
Q3004
R3076
2SA1576UBTLQ
33K
(SWITCHING)
R3081
100
C3003
R3078 330P
1K R3079
10K
R3073
Q3003 10K
2SC4081UBTLQ
(SWITCHING)
R3074
33K
W
10-6
DIGITAL MAIN CBA UNIT
JK3003
R3214 R3212
47K 47K
D3006
C3005
OPEN
0.1
R3019 R3010
47K 1K
R3017
R3018
OPEN
1K Q3001
2SC4081UBTLQ
(SWITCHING)
JK3007
R3278 R3275
47K 47K
D3008
C3023
OPEN
0.1
Q3002
2SC4081UBTLQ
(SWITCHING)
X
HDMI-
CONNECTOR-2
1 DATA2(+)
2 TMDS DATA2 SHIELD
3 DATA2(-)
4 DATA1(+)
5 TMDS DATA1 SHIELD
6 DATA1(-)
7 DATA0(+)
8 TMDS DATA0 SHIELD
9 DATA0(-)
10 CLOCK(+)
11 TMDS CLOCK SHIELD
12 CLOCK(-)
13 HDMI-CEC
14 NU
15 HDMI-CLOCK
16 HDMI-DATA
17 GND
18 +5V
19 HOT PLUG DETECT
HDMI-
CONNECTOR-1
1 DATA2(+)
2 TMDS DATA2 SHIELD
3 DATA2(-)
4 DATA1(+)
5 TMDS DATA1 SHIELD
6 DATA1(-)
7 DATA0(+)
8 TMDS DATA0 SHIELD
9 DATA0(-)
10 CLOCK(+)
11 TMDS CLOCK SHIELD
12 CLOCK(-)
13 HDMI-CEC
14 NU
15 HDMI-CLOCK
16 HDMI-DATA
17 GND
18 HDMI+5V
19 HOT-PLUG-DETECT
Y
FL14.10SCD4