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A
B
8
7
R2533
15K
R2534
15K
C2630
0.1 B
6
I2SCLK_INC
LEVEL_SHIFT
5
Q2404
KTK5132E
I2SWS_INC
LEVEL_SHIFT
2.6
Q2401
KTK5132E
3.3
I2SDATA_INC
1.5
1.0
3.3
+3.3V
4
X_TUNER_SDA
X_TUNER_SCL
TUNER_SCL
TUNER_SDA
3
TWIRE_TXDC
TWIRE_RXDC
3.3
S
LEVEL_SHIFT
Q2403
G
D
KTK5132E
3.3
RX_[X240]
LEVEL_SHIFT
FROM/TO POWER2
Q2406
KTK5132E
TX_[X240]
DTV_ON-H
UNREG+5V
UNREG+4V_M
2
UNREG+4V
AT+5V
+3.3V
+1.8V
+2.6V
D_GND
1
A
B
H-47
C
AV OUT SCHEMATIC DIAGRAM
C2609
47P CH
C2611
C2623
C2608
47P CH
47P CH
C2612
C2624
47P CH
47P CH
47P CH
LEVEL_SHIFT
ATSC/CLEAR CABLE ASIC
Q2407
IC2401
(12/14 I2S AUDIO)
X240H
KTK5132E
3.3
2.3
3.3
I2SWS_OUTA
AK9
3.3
3.3
3.3
AG7
I2SSCK_INC
I2SSCK_OUTA
AH10
1.7
3.3
AH6
I2SWS_INC
AJ10
NC
I2SSOSCK_OUTA
3.3
3.3
AJ5
I2SSD_INC
I2SSD_OUTA
AG11
I2SWS_OUTB
AK10
NC
NC
AK4
I2SSCK_IND
I2SSCK_OUTB
AH11
NC
NC
AJ6
I2SWS_IND
I2SSD_OUTB
AJ11
NC
NC
AK5
I2SSD_IND
I2SSOSCK_OUTB
AG12
NC
3.4
SPDIF_OUTA
AJ9
R2515
R2508
4.7K
4.7K
B2417
DAC_VDDI
BLM18BD151SN1
R2512
B2419
DAC_AVDDQ
R2509
4.7K
BLM18BD151SN1
4.7K
3.3
B2418
3.3
DAC1_AVDD
S
3.3
BLM18BD151SN1
G
D
3.3
B2416
VDDC_1.8V
BLM18BD151SN1
DAC_2.5V
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D
E
(DIGITAL PCB)
NC
C2621 47P CH
C2622 47P CH
ATSC/CLEAR CABLE ASIC
IC2401 X240H
(13/14 VIDEO ENCODER)
HSYNC_OUT
AJ8
NC
VSYNC_OUT
AH9
NC
HSYNC2_OUT
AG10
NC
VSYNC2_OUT
AK8
NC
1.1
DAC0_R
R
AC2
1.1
DAC1_G
G
AC1
1.1
DAC2_B
B
AD2
0
R2528
33
DAC3_COMP
COMP
AD1
R2529
R2409
1
QRSET
RSET
AE1
680
33
0
R2530
33
DAC4_R
C_R
AB2
0
R2531
33
DAC5_G
Y_G
AA2
0
DAC6_B
COMP_B
AA1
R2532
R2410
1
TRSET
R2SET
AB1
680
33
1.8
DAC_VDDI
AE2
VDDDI
VDD2DI
Y2
1.8
AF3
VSSDI
VSS2DI
Y1
1.8
DAC_AVDDQ
AC3
AVDDQ
A2DDQ
Y3
0
AD4
AVSSQ
A2VSSQ
AA4
2.6
DAC2_AVDD
AE4
A1VDD
A2VDD
AB4
2.6
AF4
A1VDD
A2VDD
AC4
0
AD3
AVSSN
A2VSSN
AA3
0
AE3
AVSSN
A2VSSN
AB3
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D
E
F
G
NLV25T
34
L2414
0.47uH
NLV25T
33
L2412
0.47uH
NLV25T
35
L2411
0.47uH
NLV25T
36
L2413
0.47uH
ATSC/CLEAR CABLE ASIC
IC2401
(14/14 USB/SERIAL)
X240H
0
USBA_P
AH23
USBPA
RDA
AJ21
NC
0
USBA_N
AG22
USBNA
TDA
AH21
NC
0
USBB_P
AK24
USBPB
CTSAb
AK22
NC
0
USBB_N
AJ23
USBNB
RTSAb
AG21
NC
R2537
3.3
AK23
USB_OVRCUR
100K
NC
AG19
IRRXDA
RDB
AJ22
NC
AK20
IRTXDA
TDB
AH22
NC
AH19
IRBIDB
3.3
NC
A13
CAPT1
RDC
C13
3.3
NC
D14
COMP1
TDC
B13
R2535
15K
R2536
15K
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
F
G
H
8
7
6
FROM/TO FRONT END
T_FAT_IFP
V[PR]_OUT
T_FAT_IFN
FAT_IFAGC
X_TUNER_SDA
X_TUNER_SCL
RF_SW
AFT_1
Y_OUT
AFT_2
SD-H
5
U[PB]_OUT
TO ASIC
DTV_RESET
CVBS_OUT
4
3
TWIRE_RXDB
TWIRE_TXDB
2
TWIRE_RXDC
TWIRE_TXDC
PCBDH0
CEF169
1
H
H-48
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