Digital Main 2 Schematic Diagram [Type C] - FUNAI LF320EM4 A Service Manual

Digital Main 2 Schematic Diagram [TYPE C]

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.
DIGITAL MAIN CBA UNIT
4
R3211
OPEN
D3202
OPEN
R3213
1K
C3204
OPEN
D3201
OPEN
IC3201
MP1472GJC452Z
(+12V REG.)
C3201
0.047
1 SS BST 8
2 EN IN 7
R3202 C3203
18K 1000P
3 COMP SW 6
4 FB GND 5
3
R3209 R3208
R3205
120K 1K
10K
C3211 C3213 C3212 D3203 C3210 C3215 R3216
4.7 4.7 4.7 OPEN OPEN 4.7 10K
IC3006
R3102
W25Q32FVSSIG
4.7K
(MEMORY)
R3089 33
1 CS VCC 8
2
R3092 33
2 SO NU 7
3 WP SCL 6
R3194
OPEN 4 GND SDA 5
R3107
10K
R3178
220
C3252 D3108 C3106
OPEN OPEN 1
R3719
270
1
H
C3205
OPEN
R3210
OPEN
R3203
OPEN
C3202
C3001 C3214 C3207 C3208 C3209
0.1
OPEN 4.7 4.7 OPEN 0.1
R3215
OPEN L3201 R3217
33uH OPEN
C3206
OPEN
R3218
OPEN
C3073
0.1 R3110
OPEN
R3094 33
R3093 33
R3242
C3110
OPEN
OPEN
R3219
10K
IC3009 R3182 D3109
56K OPEN
PST8429UR
(RESET)
R3241
100 Q3104
1 GND OUT 4 2SC4081UBTLQ
C3116 (SWITCHING)
D3110
0.01
2 VDD CD 3 OPEN
C3113
0.033
I J
R3085
OPEN
R3204
OPEN
Q3201
OPEN
S D
C3257
OPEN R3283 C3258 G
OPEN OPEN
R3281
OPEN
R3284
OPEN
R3220
OPEN
Q3202
OPEN
R3282 C3256
OPEN OPEN
*1
IC3101(1/4)
MSD8220LB1-S1
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
81
82
102 WP
113 CS
83
111 SOUT
84
112 SPI-SDA
114 SPI-SCL
85
122 CPU-RESET LVDS
86
TX
88
89
90
91
TO DIGITAL
MAIN 3
IC3101(2/4)
K
10-9
CONTINUE
DIGITAL 1
P-ON+21V
CONTINUE
DIGITAL 5
AL+5V
AL+3.3V
P-ON+3.3V
CONTINUE
DIGITAL 5
P-ON-H2
D3204 1SS400ST
PROTECT3
CELL-PWR-CTRL
TO LCD PANEL
CN3102 ASSEMBLY
30 LCD+12V
C3103 C3107
29 LCD+12V
4.7 1000P
28 LCD+12V
27 LCD+12V
26 NU
25 NU
24 GND
23 GND
R3132 OPEN
22 NU
R3117 OPEN
21 NU
R3118 R3120
20 NU
OPEN OPEN
19 GND
18 RX3(+)
17 RX3(-)
16 GND
15 RXCLK(+)
14 RXCLK(-)
13 GND
12 RX2(+)
11 RX2(-)
10 GND
9 RX1(+)
8 RX1(-)
7 GND
6 RX0(+)
5 RX0(-)
4 GND
3 NU
2 NU
1 NU
CN3104 (NO CONNECTION)
4 NU
3 NU
2 NU
R3119 C3102
1 GND
OPEN OPEN
CONTINUE
DIGITAL 1
RESET
L M
FL14.10CSCD2