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

Digital Main 4 Schematic Diagram [TYPE D]

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.
4
R3536
0
3
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
C3553 C3556
P-ON+5V 8
OPEN OPEN
AL+3.3V 9
C3554
1
C3551 OPEN
C3552 OPEN
2 R3556 R3557
OPEN OPEN
R3501 4.7K
R3502 4.7K
CONTINUE
DIGITAL 3
UARTRXD0
1
UARTTXD0
T
*1
IC3101(3/5)
MSD8220LB1-S1
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
C3172
15P
53 XIN
X3101 R3158
C3169 24MHz OPEN
18P
54 XOUT
R3157
160
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
130 LIGHT
R3560
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
R3081
100
Q3011
2SC4081UBTLQ
(SWITCHING)
U V
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(2/5) IC3101(2/5)
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 Q3002
2SC4081UBTLQ
Q3004
(SWITCHING)
R3076
2SA1576UBTLQ
33K
(SWITCHING)
C3003
R3078 330P
1K R3079
10K
R3073
Q3003 10K
2SC4081UBTLQ
(SWITCHING)
R3074
33K
W
10-16
DIGITAL MAIN CBA UNIT
HDMI-
JK3003 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
R3214 R3212
17 GND
47K 47K
18 +5V
D3006
C3005 19 HOT PLUG DETECT
OPEN
0.1
R3019 R3010
47K 1K
R3017
R3018
OPEN
1K Q3001
2SC4081UBTLQ
(SWITCHING)
HDMI-
JK3007 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
R3278 R3275
17 GND
47K 47K
18 HDMI+5V
D3008
C3023
19 HOT-PLUG-DETECT
OPEN
0.1
X Y
FL14.10DSCD4