3-56
3-57
4. DIRECTV Front-End / DIRECTV TP-Demux / SC IF / Modem BLOCK DIAGRAM
TDQB-S101F
LNB
Multi-
switch
Zero-IF
Tuner
FEC
(STV0299)
LNB Control
(LNBP20PD)
DIRECTV-TP
(LGDT1302A)
Smart Card I/F
(TDA8004T)
Card
Holder
Modem IC
(Si2400)
Silicon
DAA
(Si3015)
5V_SDA0,
5V_SCL0
MC_ALERT
MC_RXD
CM_TXD
ODU
SDRAM
(1Mx16bx1)
QPSK TUNER
4.9152 MHz
X-tal
18.432 MHz
X-tal
36.864MHz
OSC
SC_CLK_IN
UART_CLK_IN
SAT.IN
PHONE JACK
SMART CARD
TU960
IC1951
IC1950
IC980
X1950
IC960
X980
IC1901
IC1902
X1901
JA1901
CPU_ADDR[12..1],
CPU_DATA[31..0
]
TU_DATA[7..0 ]
TU_BYTE_CLK
TU_PKT_CLK
TU_ERR
TU_STR
TPN_SDRAM_D[15..0 ]
TPN_SDRAM_A[11..0]
& control signal s
DSS_V_DATA[7..0], DSS_V_CLK
DSS_V_VALID
DSS_AUDDATA, DSS_AUDSTRB
SC_DATA
SC_DETECT
SYSTEM I/F
AUDIO
I/F
VIDEO
I/F
PT_CLK27M
Summary of Contents for HD-SAT520
Page 8: ...3 8 Fig 01 Fig 02 Fig 03 Fig 04 Fig 05 Fig 06 Fig 07 Fig 08...
Page 14: ...3 14 Fig 12 Fig 13...
Page 39: ...3 39 FIG 01 FIG 02 FIG 03 FIG 04 FIG 05...
Page 105: ...3 68 3 69 2 FRONT CIRCUIT DIAGRAM...
Page 106: ...3 70 3 71 3 CPU 1 CIRCUIT DIAGRAM...
Page 107: ...3 72 3 73 4 CPU 2 CIRCUIT DIAGRAM...
Page 108: ...3 74 3 75 5 TERRESTRIAL CIRCUIT DIAGRAM...
Page 109: ...3 76 3 77 6 DVI TRANSMITTER NTSC ENCODER CIRCUIT DIAGRAM...
Page 110: ...3 78 3 79 7 ATSC TP DEMUX VD XDO CIRCUIT DIAGRAM...
Page 111: ...3 80 3 81 8 VDP I F DISPLAY CIRCUIT DIAGRAM...
Page 112: ...3 82 3 83 9 AUDIO DECODER SPDIF CIRCUIT DIAGRAM...
Page 113: ...3 84 3 85 10 NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM...
Page 114: ...3 86 3 87 11 POWER DSS FRONT CIRCUIT DIAGRAM...
Page 115: ...3 88 3 89 12 DIRECTV TP DEMUX CIRCUIT DIAGRAM...
Page 116: ...3 90 3 91 13 SMART CARD I F CIRCUIT DIAGRAM 1...
Page 117: ...3 92 3 93 14 SMART CARD I F CIRCUIT DIAGRAM 2...
Page 118: ...3 94 3 95 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN P C BOARD BOTTOM...
Page 119: ...3 96 3 97 2 DIGITAL MAIN P C BOARD TOP...
Page 120: ...3 98 3 99 3 POWER P C BOARD 4 KEY P C BOARD 5 KEY P C BOARD LOCATION GUIDE...