Block Diagram Ibo Zapper - Philips LC4.3E Service Manual

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Block Diagrams, Testpoint Overviews, and Waveforms

Block Diagram IBO Zapper

IBO - ZAPPER PANEL
K6
FRONT END
+5VClean
K1
1600
TD1316L 11
FROM
RF-IN
MAIN
TUNER TUNER
A3
9 8 10 5 13
+5V +5V 7601-1
LM393D
2
K6 3
I2C_TDA_SDA
I2C_TDA_SCL
+5V
I2C_LOCAL_SDA
I2C_LOCAL_SCL
5 6
K1 7605
7602
74AHC1GU04GW
7
M24C256
2
INVERTER
DSP_EEPROM_WP
EEPROM
7606
74AHC1GU04GW
2
INVERTER
68P PCMCIA
CONNECTOR
1 35
A_MD (0-7) + A_MDO (0-7)
CONTROL LINES
7701
74LVC573ADB
K7
CONTROL
PCMCIA-A (0-7)
LATCH
7702
74LVC573ADB
K7
CONTROL
PCMCIA-A (8-14)
LATCH
7703
74LVC245A
K7
CONTROL
PCMCIA-D (0-7)
TRANS
CEIVER
34 68
LC4.3E AB
K7
7600 COMMON INTERFACE
TDA10046HT
RESET_FE-N 9
MPEG
14 IF1 62
38
COFDM
CHANNEL TDA_DATA (0-7)
15 IF2 61
DECODER
37 TDA_CLK
TDA_VALID
36
IF-AGC 2
35 TDA_SYNC
AGC-TUN 1
33 UNCOR
K7
1 COMB-OUT 21
3630
4
COFMD 25 FE_LOCK
K1
3631
3
3625
8
3629
6
4 X-IN 54
4
K1
4MHz_MOJO
MIU_ADDR (15-24)
7705
MIU_ADDR (0-7) ST890C
8
PCMCIA_5V
3
K7 CURRENT
FAULT
SWITCH 6
VCCEN
7704
FXO-31FT
OSC
27MHz
MIU_ADDR (8-14)
3700
I2C_LOCAL_SCL
3701
I2C_LOCAL_SDA
BUS
MIU_DATA (0-7)
K2
FLASH MEMORY
I2C_LOCAL_SDA
I2C_LOCAL_SCL
MIU BUS
7200 7201
M29W32ODT M58LWO32A
EEPROM NOR
NOR FLASH
FLASH (optional)
6. 23
K1
MOJO
7700 7100
STV0700 PNX8316HS
TS TS_DATA (0-7)
TS
TS TS
50
INTER 63 TS_CLK 29
IN OUT
IN
48
62 TS_SYNC 30
FACE
49
61 TS_VALID
28
AV
PCMCIA MOJO
CONTROLLER
I2C
GPIO
UCSG
AV
12
INTERRUPT
GPIO
MANAGEMENT
35
31
ICC
I2C
INTERFACE
30
+5V
7
6
5 6
7203
7 user_EEPROM_WP 185
GPIO
M24Z64
EEPROM
8KX8
MIU
7202
KUS281632D
SDRAM
SDRAM_DATA
SYNC
DRAM
4x2Mx16
SDRAM_ADDR
K5
ANALOG BACK END
7502
UDA1334ATS
16
3135
202
MOJO_I2S_OUT_SD 3
3134
203 MOJO_I2S_OUT_SCK 1
AUDIO
DAC
3133
204 MOJO_I2S_OUT_WS 2
14
5511 5511
172
C_CVBS
FILTER FILTER
5512
165
G/Y
FILTER
5513
163 B/Pb
FILTER
5514
167
R/Pr
FILTER
8
9
180 TV_IRQ
K4
INTERFACE
206 SPDIF
15
14
7403
LM3525
USB_OVRCUR
198 2
Power Switch and
7
+5V_USB Over-current
USB_PWR
199 1 Protection
3420
201 USB_DM
3421
200 USB_DP
K3
POWER SUPPLY
5309
+12V
7300
MC34063AP1
5301 5300
6 2
SUPPLY
7303
MC34063AP1
5304 5303
6 2
SUPPLY
7305
MC34063AP1
5306 5305
SUPPLY
73006
NCP303LSN30
POWER
2 1
+3V3
ON RESET_n
RESET
K1 K2
It`s Free
7500
7501
1500
4
R1
7503
7504
6
L1
7507 7507
7508 7508
8
CVBS_VCR
7509
7510
TO 1J03
GREEN/Y 12
B15
SSB
7505
BLUE/U 10
7506
RED/V 14
I2C_TV_SDA
1
2
I2C_TV_SCL
TV_IRQ 3
7402
1401
EF
SPDIF
OUT
1402
1 UART
TXDO
CONN.
2
FOR
COMPAIR
RXDO 3 ONLY
1403
6,8 VBUS 1
USB_D- 2
USB
CONNECTOR
USB_D+ 3
4
1301
+12V 1
TO X220
2
PSU
+12V_A 3
7311
+3V3
5302
+3V3
CLEAN
7309
7310
CONTROL
7302
LD1117V18
IN OUT
+1V8FE
COM
5307
+1V2_MOJO
7307
LD1117V50
IN OUT
+5V
COM
7308
LD1117V50
IN OUT
+5V
CLEAN
COM
F_15271_065.eps
200505