Diagram - Philips DVDR890 Service Manual

EN 150 9. DVDR880-890 /0X1
Blockdiagram Control Lines and Bus Systems
DVIO-Board Digital Board
DVIO
µP-Subprint
LEVELSW
2 INT , IPOR_DC
I2C
I2C 3,3V
Level
Shifter
2
8
PWONSW
ADC/DAC
(UDA1334BTS
UDA1361TS)
EEPROM
I2C
(M24C16) I2C
( for EUROPE
only)
2
2
IPOR_DC
Circuit-, IC Descriptions and List of Abbreviations
Digital Board
8
A0-A7
5
A_DA T A
ext. Latch
D_DA T A
A_RDY
D_RDY
IRESET_DIG
int. RAM int. ROM
5
I2C
I2C_SW
2
SWITCH
5SW
PSS
SB1
SFS_TS
AFC
AGC
5
Frontend
Video
SIF1
2
WU
WSFI
5 FBIN
P50
8SC2
IO
3
Video
VSA1
(STV6618)
VSA2
ASC1S
For EUROPE only
I2C
Front µP
TMP87CH74F
INT
WE
A0-A7 WE
ext. RAM ext. Flash
P50
2
P50in
P50out
Central-µP
TMP91CW12AF (3,3V Supply)
5
FBIN
Frontend
Audio
(MSP)
RSA1
RSA2
2
IO
Audio
(HEF IC'S)
AKILL
Basic Engine
BE_FAN
BE_FAN
Fan
Fan_off
Control
2
IPOR
INT
only
Reset
IPFAIL
KILL
>
1
=
DataSlicer
(STV5348)
Follow Me
STBY
ION
Power
2
Supply
Display
BE
Sense 3V3STBY
Reset-IC
TR 01054_001
170502