6.
Block Diagrams, Testpoint Overviews, and Waveforms
Block Diagram IBO Zapper
K6
FRONT END
IBO - ZAPPER PANEL (DVB)
K2
FLASH MEMORY
K3
POWER SUPPLY
K5
ANALOG BACK END
K1
MOJO
K7
COMMON INTERFACE
K4
INTERFACE
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
RF-IN
I2C_TDA_SDA
I2C_TDA_SCL
I2C_LOCAL_SDA
I2C_LOCAL_SCL
dsp_EEPROM_WP
+5VClean
K7
B2B
K6
K1
K1
K1
K1
K7
K7
EF
7402
5511
7512
7507
SPDIF
OUT
R1
L1
CVBS_VCR
GREEN/Y
BLUE/U
RED/V
I2C_TV_SDA
I2C_TV_SCL
AUDIO
DAC
FILTER
OSC
27MHz
7502
UDA1334ATS
7100
PNX8316HS
7700
STV0700
16
14
TV_IRQ
+12V
+12V
+5V
CLEAN
1301
1
2
TO X220
PSU
SPDIF
MOJO_I2S_OUT_SD
C_CVBS
G/Y
B/Pb
R/Pr
TV_IRQ
7704
FXO-31FT
MOJO_I2S_OUT_SCK
MOJO_I2S_OUT_WS
3
1
2
MOJO
AV
GPIO
UCSG
MIU
SDRAM
I2C
PCMCIA
CONTROLLER
TS
INTER
FACE
COFMD
TS
IN
TS
IN
TS
OUT
RXDO
TXDO
TS_DATA (0-7)
TS_CLK
TS_SYNC
TS_VALID
I2C_LOCAL_SDA
user_EEPROM_WP
I2C_LOCAL_SCL
TDA_CLK
TDA_VALID
TDA_SYNC
UNCOR
INTERRUPT
MANAGEMENT
ICC
INTERFACE
I2C_LOCAL_SCL
31
35
CURRENT
SWITCH
7705
ST890C
12
I2C_LOCAL_SDA
30
PCMCIA_5V
FAULT
VCCEN
3
SYNC
DRAM
4x2Mx16
7202
K4S281632F
7203
M24C64
EEPROM
8KX8
NOR
FLASH
(optional)
7201
M58LWO32A
EPROM
NOR
FLASH
7200
M29W320DT
+5V
5
6
7
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
CONN
MIU_ADDR (8-14)
PCMCIA-A (8-14)
CONTROL
LATCH
7702
74LVC573ADB
PCMCIA-D (0-7)
CONTROL
BUS
TRANS
CEIVER
7703
74LVC245A
1
34
35
68
FROM
MAIN TUNER
LC4.X
OR
JL2.1
38
37
36
35
33
FE_LOCK
25
8
10
5
13
AG
C
XT
AL
8
6
8
6
4
54
X-IN
+5V
+5V
+5V
5
6
7
7602
M24C256
EEPROM
INVERTER
4
2
2
4MHz_MOJO
INVERTER
7606
74AHC1GU04GW
7605
74AHC1GU04GW
K1 K2
+5V
+3V3
+12V_A
+1V8FE
+1V2_MOJO
6304
7305
MC34063AP1
SUPPLY
CONTROL
7306
NCP303LSN30
POWER
ON
RESET
1
2
6303
7303
MC34063AP1
SUPPLY
2
6
180
+3V3
5302
6300
2311
7309
7310
+3V3
CLEAN
F_15660_006.eps
111005
RESET_n
MPEG
K7
K7
5309
3
5511
FILTER
5513
FILTER
5514
FILTER
7506
7505
5512
FILTER
7514
7510
7500
7501
7503
7504
1500
1402
1
2
3
UART
CONN.
FOR
COMPAIR
ONLY
1403
1
2
3
4
USB_D+
USB_D-
VBUS
USB
CONNECTOR
(Reserved)
7403
LM3525
USB_OVRCUR
USB_PWR
6,8
2
1
7
+5V_USB
Power Switch and
Over-current
Protection
3420
3421
USB_DP
USB_DM
5301
7300
MC34063AP1
SUPPLY
2
6
7311
7308
LD1117V50
IN OUT
COM
7301
LD1117V18
IN OUT
COM
5303
5304
5300
5307
7307
LD1117V50
IN OUT
COM
5306
5305
TO 1G03
LC4.x
OR 1I11
FTx2.x
B15
3207
3206
3211
3209
3210
3700
3701
3607
3606
3626
3627
3612
3633
3634
5602
3630
3631
3625
3629
7601-1
LM393D
3
2
1
14
10
12
8
6
4
SDRAM_ADDR
SDRAM_DATA
200
201
199
198
6
7
202
203
204
172
165
163
167
I2C
AV
9
8
GPIO
206
15
14
29
30
28
3135
3134
3133
185
GPIO
50
48
49
63
62
61
1401
1304
F500mA
2
6
MOJO_SYSCLK
6
205
3164
TDA_DAT (0-7)
B13A
B14H
FE_LOCK
34
K6
1700
MIU_DATA (0-7)
MIU_ADDR
MIU_DATA
