Block Diagram Ibo Zapper - Philips LC4.9E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram IBO Zapper

IBO - ZAPPER PANEL (DVB)
K6
FRONT END
+5VClean
RESET_FE-N
K1
FROM
MAIN TUNER 1600
11
TD1316L
B2B
14 IF1
RF-IN
LC4.X
TUNER
OR 15
IF2
B13A
9 8 10 5 13
IF-AGC
JL2.1
AGC-TUN
+5V +5V 7601-1
LM393D
2
1
COMB-OUT
K6 3
3630
I2C_TDA_SDA
3631
I2C_TDA_SCL
+5V 3625
I2C_LOCAL_SDA
3629
I2C_LOCAL_SCL
5 6
K1
7605
7602
74AHC1GU04GW
7
M24C256
2 4 X-IN
INVERTER
dsp_EEPROM_WP
EEPROM
7606
74AHC1GU04GW
2 4
INVERTER 4MHz_MOJO
1700
1 35
A_MD (0-7) + A_MDO (0-7)
CONTROL LINES
7701
74LVC573ADB
K7
CONTROL
PCMCIA-A (0-7) LATCH MIU_ADDR (0-7)
68P
PCMCIA
7702
CONN
74LVC573ADB
K7
CONTROL
PCMCIA-A (8-14) LATCH MIU_ADDR (8-14)
7703
74LVC245A
K7
CONTROL
BUS
PCMCIA-D (0-7) TRANS MIU_DATA (0-7)
CEIVER
34 68
LC4.9E AB
K7 COMMON INTERFACE
7600
TDA10046HT
7700
STV0700
9
MPEG
62
38
COFDM
CHANNEL TDA_DAT (0-7) TS
61
DECODER TDA_CLK TS
37 50
INTER
IN
36 TDA_VALID 48
FACE
2
TDA_SYNC
35 49
1
33 UNCOR
K7
21
4
25 FE_LOCK
COFMD
K1
3
PCMCIA
CONTROLLER
8
6
54
K1
UCSG
MIU_ADDR (15-24)
7705
ST890C
8
PCMCIA_5V
3
K7 CURRENT
FAULT 12
SWITCH 6
VCCEN
INTERRUPT
7704
FXO-31FT
MANAGEMENT
35
OSC
27MHz
3700
I2C_LOCAL_SCL 31
ICC
INTERFACE
3701
I2C_LOCAL_SDA 30
K2 FLASH MEMORY
I2C_LOCAL_SDA
I2C_LOCAL_SCL
5
7203
M24C64
EEPROM
8KX8
MIU BUS
7200 7201
M29W320DT M58LWO32A
EPROM NOR
NOR FLASH
FLASH (optional)
6. 27
K1
MOJO
7100
PNX8316HS
202
203
204
TS_DATA (0-7)
TS
205
TS
63 TS_CLK
29
OUT
IN
62 TS_SYNC 30
61 TS_VALID 28
172
AV
165
MOJO
163
167
8
I2C
9
FE_LOCK 180
34
GPIO
K6
206
AV
15
GPIO
14
198
199
I2C
201
200
+5V
7
6
6
185
7 user_EEPROM_WP
GPIO
MIU
MIU_ADDR
MIU_DATA
7202
K4S281632F
SDRAM
SDRAM_DATA
SYNC
DRAM
4x2Mx16
SDRAM_ADDR
K5 ANALOG BACK END
7502
UDA1334ATS
16
3135
MOJO_I2S_OUT_SD 3
3134
MOJO_I2S_OUT_SCK 1
AUDIO
DAC
3133
MOJO_I2S_OUT_WS 2
14
3164
MOJO_SYSCLK 6
5511 5511
C_CVBS
FILTER FILTER
5512
G/Y
FILTER
5513
B/Pb
FILTER
5514
R/Pr
FILTER
TV_IRQ
K4
INTERFACE
SPDIF
7403
LM3525
USB_OVRCUR
2
Power Switch and
7
+5V_USB Over-current
USB_PWR
1 Protection
3420
USB_DM
3421
USB_DP
K3
POWER SUPPLY
5309
+12V
7300
MC34063AP1
1304
5301 5300
6 2
SUPPLY
F500mA
7303
MC34063AP1
5304 5303
6 2
SUPPLY
7305
MC34063AP1
5306 5305
6 2
SUPPLY
7306
NCP303LSN30
POWER
2 1
+3V3
ON RESET_n
RESET
K1 K2
7500
7501
1500
4
R1
7503
7504
6
L1
7512
7507
CVBS_VCR 8
7514 TO 1G03
7510
B15
GREEN/Y 12 LC4.x (EUR)
OR 1R01
B23
7505
LC4.x (AP/US)
BLUE/U 10
OR 1I11
B14H
FTx2.x
7506
RED/V 14
I2C_TV_SDA
1
2
I2C_TV_SCL
TV_IRQ 3
7402
1401
EF
SPDIF
OUT
1402
UART
TXDO 1
CONN.
2 FOR
COMPAIR
RXDO 3 ONLY
1403
6,8 VBUS 1
USB_D- 2
USB
CONNECTOR
(Reserved)
USB_D+ 3
4
1301
+12V 1
TO X220
OR 1M10
2
PSU
+12V_A
3
7311
+3V3
5302
+3V3
CLEAN
7309
7310
CONTROL
7301
LD1117V18
IN OUT
+1V8FE
COM
5307
+1V2_MOJO
7307
LD1117V50
IN OUT +5V
COM
7308
LD1117V50
IN OUT
+5V
CLEAN
COM
F_15660_006.eps
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