24
L04E AB
6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram IBO Zapper Panel
11
9
1600
TD1316L
7600
TDA10046HT
TUNER
COFDM
CHANNEL
DECODER
15
2
3
1
14
61
62
IF1
9
RESET_FE-N
IF2
2
IF-AGC
1
21
4
3
AGC-TUN
COMB-OUT
5602
RF-IN
I2C_TDA_SDA
I2C_TDA_SCL
I2C_LOCAL_SDA
I2C_LOCAL_SCL
DSP_EEPROM_WP
+5VClean
K4
SPDIF
K1
MOJO
K7
COMMON INTERFACE
K6
FRONT END
K2
FLASH MEMORY
K4
RS232 INTERFACE (option)
K3
K7
A3
K6
K1
K1
K1
K1
K7
K7
POWER SUPPLY
K5
ANALOG BACK END
EF
7402
1219
1
1401
7500
7501
5511
7503
7504
7507
7508
2
3
4
5
1212
1
2
3
4
5
SPDIF
OUT
TO
1219
A4
CONN.
1402
1
2
3
UART
CONN.
FOR
COMPAIR
ONLY
TO
1214
LTI/CTI
INTERFACE
F517
I615
F701
F516
F518
F519
F514
F521
R1
L1
CVBS_VCR
GREEN/Y
BLUE/U
RED/V
I2C_TV_SDA
I2C_TV_SCL
AUDIO
DAC
FILTER
5511
7308
LD1117V50
7507
7508
FILTER
5512
7509
7510
FILTER
5513
7505
FILTER
5514
7506
FILTER
OSC
27MHz
7502
UDA1334ATS
7100
PNX8316HS
7700
STV0700
16
14
H
1206
1
2
3
4
TO
1215
LTI/CTI
INTERFACE
TV_IRQ
H
+12V
+12V
+5V
CLEAN
+5V
CLEAN
+12V_A
1534
1
2
TO
1582
A10
A3
SPDIF
MOJO_I2S_OUT_SD
C_CVBS
G/Y
B/Pb
R/Pr
TV_IRQ
7704
FXO-31FT
CTSNO
MOJO_I2S_OUT_SCK
MOJO_I2S_OUT_WS
3
1
2
MOJO
AV
GPIO
UCSG
MIU
SDRAM
I2C
CI
TS
INTER
FACE
COFMD
TS
IN
TS
IN
TS
OUT
MOJO
RXDO
RTSNO
TXDO
DCDO
RSZ32_DSR
DTRO
TS_DATA (0-7)
TS_CLOCK
TS_SYNC
TS_VALID
I2C_LOCAL_SDA
WP
I2C_LOCAL_SCL
TDA_CLOCK
TDA_VALID
TDA_SYNC
UNCOR
INTERRUPT
MANAGEMENT
ICC
INTERFACE
I2C_LOCAL_SCL
31
35
CURRENT
SWITCH
7705
ST890C
12
I2C_LOCAL_SDA
30
3700
3606
3607
3627
3634
3633
3701
IBO - ZAPPER PANEL
PCMCIA_5V
FAULT
VCCEN
3
SDRAM
7202
KUS281632D
EEPROM
8KX8
7203
M24Z64
NOR
FLASH
(optional)
7201
M58LWO32A
EEPROM
NOR
FLASH
7200
M29W32ODT
+5V
1
5
6
9
1
2
3
4
5
6
7
8
9
DCD
CTS
CTSNO
RXD
TXD
DTR
DSR
RTS
CTS
TXDO
RXDO
N.C.
7400
ST202ECD
9
8
RXD
RXDO
12
13
RTS
RTSNO
10
7
TXD
TXDO
11
14
DCD
DCDO
7401
ST202ECD
9
5
3209
3210
3207
3206
3211
6
7
8
DSR
RS232_DSR
12
13
10
7
DTR
DTRO
11
14
MIU BUS
MIU_ADDR (15-24)
MIU_ADDR (0-7)
PCMCIA-A (0-7)
CONTROL
CONTROL LINES
A_MD (0-7) + A_MDO (0-7)
LATCH
7701
74LVC573ADB
68P PCMCIA
CONNECTOR
MIU_ADDR (8-14)
PCMCIA-A (8-14)
CONTROL
LATCH
7702
74LVC573ADB
MIU_DATA (0-7)
PCMCIA-D (0-7)
CONTROL
BUS
TRANS
CEIVER
7703
74LVC245A
1
34
35
68
FROM
MAIN
TUNER
38
37
36
35
33
FE_LOCK
25
TDA_DATA (0-7)
I625
I311
F303
F304
F307
F310
F313
F314
I603
F301
8
10
5
13
7601-1
LM393D
AG
C
XT
AL
3630
3631
8
3625
6
8
6
4
54
3629
X-IN
+5V
3626
3612
+5V
+5V
EEPROM
WC
5
6
7
7602
M24C256
INVERTER
4
2
2
4MHz_MOJO
INVERTER
7606
74AHC1GU04GW
7605
74AHC1GU04GW
1004
1
2
3
TO
1004
TUNER IF
K1 K2
7307
LD1117V50
7305
MC34063AP1
+5V
+3V3
+12V_A
7302
LD1117V18
+1V8FE
5305
+1V2_MOJO
5303
5306
5304
5307
6304
SUPPLY
73006
NCP303LSN30
POWER
ON
RESET
CONTROL
1
2
7303
MC34063AP1
6303
SUPPLY
2
6
5301
7300
MC34063AP1
SUPPLY
2
181
6
+3V3
4304
5300
5302
6300
2311
7309
7310
D
S
G
+3V3
CLEAN
7311
E_14970_030.eps
020904
RESET_n
MPEG
K1
K7
K7