Philips HDRW720 Service Manual page 79

Block Diagrams, Waveforms, Wiring Diagram.
6. Block Diagrams, Waveforms, Wiring Diagram.
Overall Block Diagram
AUDIO L FRONT 1922
1
Analog input
AFCRI
2
AUDIO R
3
AFCLI
4
CVBSFIN
5
CVBS
7
CFIN
8
9
YFIN
S-VIDEO
1203
Digital Video Input
4
IEEE 1394
HARD DISC
HDD PSU
MAINS
+12V
GND ~
FROM
GND
PSU
+5V
IDE 2
40
DVD+RW ENGINE AV3
1600-1
IDE 1
TRAY CONTROL
40
SERVO
DISC
LASER
READ
WRITE
1600-2
56 55 54 53
PSU
DISPLAY & CONTROL
INFRA RED
FRONT PROCESSOR
EYE
HDRW720/0x, DVDR725H/0x
9
ANALOG AUDIO VIDEO
DIGITAL PCB CHRYSALIS F
PHY
LINK
FLASH
PCI BUS
1101
DIG.VIDEO 656
CHRYSALIS PNX7100
ANALOG VIDEO
MPEG 2, AC3 CODEC
1102
I2C I2C
BOOT USRDATA
SDRAM
EEPROM EEPROM
1500 RS232
1103
1 2 3 4 5 6 7 8 9 10 11 12
SERVICE
PSU
4 2 8 5 3 9 10
1910
POWER
OPEN/CLOSE
PLAY
STOP
RECORD
6. EN 79
ANALOG BOARD
1942
1
AFCRI
2
3
AFCLI
4
CVBSFIN
5
6
8SW
7
CFIN
8
9
YFIN
UART3: GATEWAY
6
IRESET_DIG
1
1104
EPG BOARD 1/2
YUV-YC-CVBS
U24
1904
V_IN
22 1
U_IN
20 3
Y_IN
18 5
C_IN
16 7
F4709
VIDEO INPUT
14 9
CVBS_Y_IN
PROCESSING
1900
A_WCLK AE_xCLK
20 AUDIO ENCODER I2S
A_BCLK
21
DIGITAL AUDIO A_DATA
18
3
DIGITAL AUDIO
4
DAOUT
2
MUTEN
7
AD_ACLK
D_PCMCLK
9
AD_xCLK
D_DATAO AUDIO PCM I2S
11
A_WCLK
12
A_BCLK
14
EPG BOARD 2/2
1901
DAOUT
2
D_Y
U20
OSD
UI
INSERTION
VI
1704
U25
U20
INTELLIGENT
FAN
CONTROL
UP SUB BOARD
FAN
P50
CLOCK & INPUT/OUTPUT
BACKUP PROCESSING &
SOURCE
SELECTION
CONTROL
uP
10
1987
1984
1980
1986
2 2
I2C, INT
STBY
IPOR
ION
U21 1947
CVBS_OUT_B F4712
12 12
F4714
Y_OUT_B
14 14
C_OUT_B F4716
OSD
16 16
V_OUT_B F4718
18 18
INSERTION
Y1_OUT_B F4720
20 20
U_OUT_B F4722
22 22
DATA ACQUISITION
OSD GENERATION
EPG
PROCESSING
1900
ADC
DAC
IPOR, INT
U26
PSU
TUNER
IPOR_DC I2C
3 I2C, INT
ION STBY
1943
U23
+12V
1
POWER SUPPLY
2
1937
~
MAINS
IO EXTENSION
4 +5V
3 GND
BOARD IR_OUT
2
GND
GLINK_RXD
1 +12V GLINK_TXD
1934
1 2 3 4 5 6 7 8 9 10 11 12
1932
DIGITAL PCB
1923
1946
1920
2
DAOUT
AUDIO L/R
SCART II
AUX-
I/O
SCARTI
TO TV
- I/O
S-VIDEO
CVBS
ANTENNA INPUT
TV OUT
MAINS
~
AC
G LINK IR OUT
G LINK UART
3
Y
COMPONENT
Cb
VIDEO
OUT
Cr
AUDIO DIGITAL
AUDIO OPTICAL
TR 17001_001
190204