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A
B
8
7
IF filter
FROM AV OUT
R2430
C2467
IF_P
100
0.01
B
R2433
C2468
6
IF_N
100
0.01
B
AGND
VDD33_2
VDD33_2
5
IF_AGC
D_GND
4
D_GND
3
D_GND
RESET_N
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
J-21
C
D
ADC&DAC SCHEMATIC DIAGRAM
(DIGITAL PCB)
DTV_ASIC
IC2401 R8A66953FP
175
ADVREF0
177
ADVREF1
176
ADVREF2
178
ADIN1
174
ADIN0
180
VCCDAD
181
VSSDAD
179
VCCAAD_A
173
VSSAAD_A
R2431
R2432
140
GPIO(IFAGC)
1K
1K
R2434
142
GPIO(RFAGC)
4.7K
R2438
139
GPIO
4.7K
JG2404
138
M32TRST_N
JG2405
136
M32TMS
R2435
199
TEST0
10
R2424
204
RESET_N
1K
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
F
(4/5 ADC&DAC)
R2436
W805
REXT2
191
560 +-1%
R2440
COUT
193
180
VCCADA_A
192
VSSDDA_A
194
VSSADA_A
190
VCCADA_B
185
VSSDDA_B
188
VSSADA_B
183
YCVBSOUT
189
R2445
YOUT
182
120 +-1%
R2446
PBOUT
186
120 +-1%
R2447
PROUT
187
120 +-1%
R2437
W806
REXT1
184
560 +-1%
E
F
G
H
8
7
FROM/TO AV OUT
6
VDD33_2
VDD33_2
5
YOUT
4
PBOUT
PROUT
3
AGND
2
PCBDH0
CEF284
1
G
H
J-22
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