Block Diagram Ibo Zapper - Philips LC4.41E Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

Block Diagram IBO Zapper

IBO - ZAPPER 2 PANEL (DVB)
K6
FRONT END
+5VClean
RESET_FE-N
K1
1600
FROM
11
TD1316L
MAIN TUNER
14 IF1
RF-IN
B1
TUNER
15 IF2
SSB
9 8 10 5 13
IF-AGC
AGC-TUN
+5V +5V 7601-1
LM393D
2
1 COMB-OUT
3
3630
I2C_TDA_SDA
3631
I2C_TDA_SCL
3625
+5V
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
A_MD (0-7) + A_MDO (0-7)
35
CONTROL LINES
7701
74LVC573ADB
K7
CONTROL
PCMCIA-A (0-7) LATCH MIU_ADDR (0-7)
7702
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
LC4.41E AB
K7
7600 COMMON INTERFACE
TDA10046HT
7700
STV0700
9
MPEG
62
38
COFDM
TDA_DAT (0-7) TS
CHANNEL
61
DECODER TS
37 TDA_CLK 50
INTER
IN
TDA_VALID
36 48
FACE
2
35 TDA_SYNC
49
1
UNCOR
33
K7
21
4
FE_LOCK
COFMD 25
K1
3
PCMCIA
CONTROLLER
8
6
54
K1
UCSG
MIU_ADDR (15-24)
7705
ST890C
8
PCMCIA_5V
3
CURRENT
K7
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. 12
K1
MOJO
7100
PNX8316HS
202
203
204
TS_DATA (0-7)
TS
205
TS
TS_CLK
63 29
OUT
IN
62 TS_SYNC 30
TS_VALID
61 28
172
AV
165
MOJO
163
167
8
I2C
9
180
FE_LOCK 34
K6
181
GPIO
182
AV 206
15
GPIO
14
198
199
I2C
201
+5V
200
7
6
6
user_EEPROM_WP 185
7 GPIO
MIU
MIU_ADDR
MIU_DATA
7202
K4S281632F
SDRAM
SYNC SDRAM_DATA
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
AR1
AR2
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
5300
5301
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
R1 4
7503
7504
L1 6
7512 7511
7507
CVBS_VCR 8
7521÷7523
12
GREEN/Y
TO 1G03
B15B
7524÷7526 LC4.x (EUR)
BLUE/U 10
7527÷7529
RED/V 14
I2C_TV_SDA
1
I2C_TV_SCL 2
3
TV_IRQ
7520
TV_IRQ 25
7518÷7819
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
3 (Reserved)
USB_D+
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
7302
LD1117V18
IN OUT +1V2_MOJO
COM
7307
LD1117V50
IN OUT
+5V
COM
7308
LD1117V50
IN OUT
+5V
CLEAN
COM
G_16220_007.eps
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