Emerson 39" Service Manual page 43

Digital Main 2 Schematic Diagram [TYPE A]
1 NOTE:
The order of pins shown in this diagram is different from that of actual IC3005.
IC3005 is divided into six and shown as IC3005 (1/6) ~ IC3005 (6/6) in this Digital Main Schematic Diagram Section.
TU3901 (TUNER UNIT)
1 2 3 4 5 6 7
4
L3913
2.2uH
D3901
C3905 C3901 C3934 C3909
MM5Z5V6B
10 220/6.3V OPEN OPEN
D3903
MM5Z5V6B
C3910 D3904
1000P MM5Z5V6B
*1
IC3005(2/6)
R8A05011BG-U0
DIGITAL SIGNAL PROCESS
/MAIN MICRO CONTROLLER
R3206
SCL R12
R3207
SDA T12
TO DIGITAL
B12
3
MAIN 5
DEMODULATOR
IC3005(5/6)
/MPEG
DECODER
A12
R3202
2.7K
IF-AGC A16
HSYNC A14
VSYNC B14
C3194
A9
C3195
C7
C3196
C11
SW
C3198
C10
C3199
C9
C3200
D8
C3201
B11
A/D NU A10
CONVERTER
NU C8
2
NU B9
NU D9
TO DIGITAL
MAIN 3
IC3005(3/6)
DIGITAL
SIGNAL
PROCESS
TO DIGITAL
MAIN 3
IC3005(3/6)
C3335
2.2
TO DIGITAL TO DIGITAL
NU B10
MAIN 6 MAIN 1
IC3005(6/6) IC3005(1/6) NU A11
NU D10
1
G
IC3013
74LVC1G126GW
(BUFFER GATE)
1 VCC
2
3
GND
C3903 0.1
C3902 0.1
IC3014
74LVC1G126GW
(BUFFER GATE)
1 VCC
2
C3175 C3176
R3204
33P 33P 3
2.7K GND
D3902 R3203
MM5Z5V6B 2.7K
47
47
R3251
C3173
10
33P
R3333
10
R3250
C3172
10
R3194 33P
1K
R3334
10
R3205 C3178 C3177
18K 0.1 1
0.1 R3285 47
0.1 R3286 47
47
0.1 R3284
C3291 C3292 C3293 R3356 R3377 R3364
33P 33P 33P 75 75 75
0.01
0.1 R3327 10
0.1 R3328 10
0.1 R3329 10
C3289 C3288 C3287
R3302 R3303 R3301
33P 33P 33P
75 75 75
C3285 0.1
C3286 0.1
C3336 1
H I
DIGITAL MAIN CBA UNIT
5
C3214
0.1
4
5
4
R3331 R3332
10 10
R3326
4.7K
D3041
OPEN
R3343
OPEN
R3358
10K
R3347
R3339
10K
OPEN
R3298 R3296
OPEN OPEN
C3708
0.1
R3711
10K
R3710
100
C3707 R3712
Q3701
1 10K
2SC4081UBTLQ
(BUFFER)
R3709
220
R3708
110
J
10-7
Q3301
2SK3018
(BUFFER) Q3302
2SK3018 CONTINUE
(BUFFER) DIGITAL 6
VGA-SDA
VGA-SCL
CONTINUE
DIGITAL 4
P-ON+3.3V
P-ON+5V
R3321
4.7K JK3001
PC-RGB-IN
D3054
11 6 1
OPEN
12 7 2
13 8 3
D3050 14 9 4
OPEN
15 10 5
D3045
OPEN
D3049
OPEN
D3053
OPEN
D3055
OPEN
CONTINUE
DIGITAL 3
COMP-DET
JK3702
COMPONENT
-Y/VIDEO-IN
R3701
OPEN
COMPONENT
-Pb-IN
R3702
OPEN
COMPONENT
-Pr-IN
R3703
OPEN
C3706
JK3701
1
DIGITAL
AUDIO-OUT
C3709
100P (COAXIAL)
AUDIO(L)-IN
R3704
100K
AUDIO(R)-IN
R3705
100K
CONTINUE
DIGITAL 5
SCL
SDA
AUDIO(L)-IN
AUDIO(R)-IN
CONTINUE
DIGITAL 5
SPDIF
K L
FL13.10ASCD2