Front End - Toshiba 30HF66 Service Manual

A B
8
7
TO VIDEO DECODER
DVIDATA0
DVIDATA1
DVIDATA2
DVIDATA3
DVIDATA4 ATSC/CLEAR CABLE ASIC
DVIDATA5
IC2401 (10/14 DVI)
DVIDATA6
DVIDATA7
DVIDATA8
DVIDATA9
DVIDATA10
3.3
DVIDATA0
DVIDATA11 W3 DVIDATA(0)
DVIDATA12
3.3
DVIDATA1
DVIDATA13 W2 DVIDATA(1)
DVIDATA14
3.3
6 DVIDATA2
DVIDATA15 W1 DVIDATA(2)
DVICLK
3.3
DVIDATA3
DVIHSYNC V1 DVIDATA(3)
DVIVSYNC
3.3
DVIDATA4
DVIDE V2 DVIDATA(4)
3.3
DVIDATA5
V3 DVIDATA(5)
3.3
DVIDATA6
V4 DVIDATA(6)
3.3
DVIDATA7
U1 DVIDATA(7)
3.3
DVIDATA8
U2 DVIDATA(8)
3.3
DVIDATA9
U3 DVIDATA(9)
3.3
DVIDATA10
U4 DVIDATA(10)
3.3
5 DVIDATA11
T1 DVIDATA(11)
3.3
DVIDATA12
R2 DVIDATA(12)
FROM HDMI
3.3
DVIDATA13
R3 DVIDATA(13)
3.3
DVIDATA0 DVIDATA14
R4 DVIDATA(14)
DVIDATA1
3.3
DVIDATA2 DVIDATA15
P1 DVIDATA(15)
DVIDATA3
3.4
DVIDATA4 DVIDATA16
P2 DVIDATA(16)
DVIDATA5
3.4
DVIDATA6 DVIDATA17
P3 DVIDATA(17)
DVIDATA7
3.4
DVIDATA8 DVIDATA18
P4 DVIDATA(18)
DVIDATA9
3.4
DVIDATA10 DVIDATA19
N1 DVIDATA(19)
DVIDATA11
3.4
DVIDATA12 DVIDATA20
N2 DVIDATA(20)
4 DVIDATA13
3.3
DVIDATA14 DVIDATA21
N3 DVIDATA(21)
DVIDATA15
3.4
DVIDATA16 DVIDATA22
N4 DVIDATA(22)
DVIDATA17
3.4
DVIDATA18 DVIDATA23
M1 DVIDATA(23)
DVIDATA19
DVIDATA20
DVIDATA21
3.3
DVIDATA22 DVICLK
R1 DVICLK
DVIDATA23
3.3
DVICLK DVIHSYNC
T2 DVIHSYNC
DVIHSYNC
3.3
DVIVSYNC DVIVSYNC
T3 DVIVSYNC
DVIDE
3.3
DVI_SCDT DVIDE
T4 DVIDE
DVI_HPD0
GPIOC15
3
2
FROM POWER2
+3.3V
+1.8V
D_GND
1
A B
G-27
C
FRONT END SCHEMATIC DIAGRAM
ATSC/CLEAR CABLE ASIC
X240H
IC2401 (9/14 DVO) X240H
NC AJ19 DVODATA(0)
DVSYDATA(0) AJ4 NC
NC AK19 DVODATA(1)
3.3
DVI_SCDT
AH5
DVSYDATA(1)
NC AG18 DVODATA(2)
2.2
DVI_HPD0
DVSYDATA(2) AG6
NC AJ18 DVODATA(3)
DVSYDATA(3) AJ3 NC
NC AH18 DVODATA(4)
DVSYDATA(4) AH4 NC
NC AG17 DVODATA(5)
DVSYDATA(5) AG5 NC
NC AK18 DVODATA(6)
DVSYDATA(6) AJ2 NC
NC AH17 DVODATA(7)
DVSYDATA(7) AH3 NC
NC AG16 DVODATA(8)
NC AK17 DVODATA(9)
AK3 NC
DVSCLKA
NC AJ17 DVODATA(10)
NC AH16 DVODATA1(1)
NC AG15 DVODATA1(2)
L2 NC
TDATA(0)
NC AK14 DVODATA(13)
TDATA(1) L3 NC
NC AJ14 DVODATA(14)
TDATA(2) K1 NC
NC AH14 DVODATA(15)
TDATA(3) L4 NC
NC AG14 DVODATA(16)
TDATA(4) K2 NC
NC AK13 DVODATA(17)
TDATA(5) J1 NC
NC AJ13 DVODATA(18)
TDATA(6) K3 NC
NC AH13 DVODATA(19)
TDATA(7) J2 NC
NC AK12 DVODATA(20)
NC AG13 DVODATA(21)
TCLKA K4 NC
NC AJ12 DVODATA(22)
TSTRTA M4 NC
NC AH12 DVODATA(23)
TVLDA L1 NC
TERA M3 NC
NC AJ16 DVOCLK0
NC AK16 DVOCLK1
NC AH15 DVODE
NC AJ15 DVOHSYNC
NC AK15 DVOVSYNC
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
R2490
100
C2492 R2493
68P CH 100
C2606
ATSC/CLEAR CABLE ASIC
220P CH
IC2401

(11/14 FRONT END)

X240H
NC D26 VI_IN0
C2540
NC B26 VI_IN1
68P CH
0.9
C25 VI_IN2
NC A25 VI_IN3
C2541
NC D30 VI_IN4
220P CH
C29 VI_IN5
1.9
C2529 0.01 B
D28 VI_IN6
NC C27 VI_IN7
NC F30 VI_ATBM
NC E30 VI_ATBP
0
C2520 0.1 B VI_REFM
D24 VI_REFM
1.3
VI_REFP
C24 VI_REFP
1.2
C2512 0.1 B VIBYPASS1
E29 VI_BYPASS1
1.2
C2513 0.1 B VIBYPASS0
B28 VI_BYPASS0
C2514 10 C
1.8
C2515 10 C D27 ADC0_AVDD
1.8
C26 ADC0_AVDD
B2408
1.8
ADC1.8V ADC0_AVDD
D25 ADC0_AVDD
BLM31PG601SN1
0
A26 ADC0_AVSS
0
B25 ADC0_AVSS
0
B27 ADC0_AVSS
B2407
1.8
ADC1.8V ADC1_AVDD
C30 ADC1_AVDD
BLM31PG601SN1
1.8
E28 ADC1_AVDD
1.8
D29 ADC1_AVDD
0
B29 ADC1_AVSS
0
B30 ADC1_AVSS
0
C28 ADC1_AVSS
B2410
3.4
+3.3V
A21 VI_AVDD33
BLM18BD151SN1
C2516 NC A23 FDC_IFP
0.1 B NC A22 FDC_IFM
NC B23 FDC_BYPASS
NC B24 FDC_REFP
NC A24 FDC_REFM
1.8
D23 FDC_AVDD
1.8
C21 FDC_AVDD
B2409
1.8
FDCFE1.8V FDC_AVDD
D22 FDC_AVDD
BLM31PG601SN1
0
C23 FDC_AVSS
0
B22 FDC_AVSS
0
C22 FDC_AVSS
0
E27 VI_GUARD
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.
D E
F G
FS_OUTP A19 NC
B2411
FS_DVDD FDCFE1.8V
FS_OUTN B19 NC
BLM18BD151SN1
1.8
FS_DVDD A18
0
FS_DVSS B18
B2412
1.8 FDCFE1.8V
FS_AVDD
FS_AVDD C19
BLM18BD151SN1
0
FS_AVSS C18
FDC_AGC A17 NC
FDC_CRX D11 NC
FDC_DRX D10 NC
MPEG_D0 A6 NC
MPEG_D1 B7 NC
MPEG_D2 C8 NC
MPEG_D3 A7 NC
MPEG_D4 D9 NC
MPEG_D5 B8 NC
MPEG_D6 C9 NC
MPEG_D7 A8
NC
MPEG_CLK B9 NC
MPEG_SYNC B10 NC
MPEG_DATA_EN C10 NC
MPEG_ERR A9 NC
C2537 R2498
0.1 B 100
0.9
X_FAT_IFP
FAT_IFP A28
C2538 R2499
0.9
X_FAT_IFN
FAT_IFM A27
0.1 B 100
AGC_SDMX A15 NC
C2542 0.1 B
3.4 R2495 1K
X_FAT_IFAGC
AGC_SDM1 B15
AGC_SDM2 C15 NC
3.3
GPIOC(0) D16
3.3
GPIOC(1) C16
GPIOC(2) B16 NC
3.3
GPIOC(3) A16
0
GPIOC(4) D17 NC
GPIOC(5) C17 NC
GPIOC(6) B17 NC
3.3
GPIOC(7) A10
3.3
GPIOC(8) C11
3.3
GPIOC(9) B11
3.3
GPIOC(10) D12
R2596 220
GPIOC(11) A11
R2597 220
GPIOC(12) C12
GPIOC(13) B12
NC
GPIOC(14) A12 NC
GPIOC(15) D13
F G
H
8
7
6
FROM/TO AV OUT 5
S_Y_IN
S_C_IN
T_FAT_IFP
T_FAT_IFN
4
FAT_IFAGC
X_TUNER_SDA
X_TUNER_SCL
RF_SW
3
SD-H
GPIOC[8]
AFT_1
AFT_2
2
PCBDH0
CEF151
1
H
G-28