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Block Diagrams, Test Point Overview, and Waveforms
Block Diagram Control & Clock Signals
CONTROL + CLOCK SIGNALS
E
KEYBOARD CONTROL
KEYBOARD
ON / OFF
CHANNEL +
CHANNEL -
VOLUME +
VOLUME -
MENU
J
IR LED PANEL
R11
D1
Q1
+5V
LED1
WHITE
R12
D2
Q2
+3.3V
LED2
RED
U1
R3
+3.3V
IR
+5V
RECEIVER
Q3
+5V
G1
LIGHT
LIGHT
SENSOR
Q522.3E LA
6.
B02B
DC/DC 2V5_1V
B04G
1M99
5
LAMP-ON-OUT
B04A
6
TO
BACKLIGHT-OUT
B06B
POWER SUPPLY
7
BACKLIGHT-BOOST
N.C.
1M95
TO
2
STANDBY
B04A
POWER SUPPLY
B09A
DIGI I/O: PCMCIA INTERFACE & BUFFER
1N00
1
PCMCIA-D(0-7)
PCMCIA
PCMCIA-A(0-14)
CONDITIONAL
ACCESS
MDO(0-7)
68
B08A
DIGI I/O: USB CONNECTOR + CONTROLLER
7P00
ISP1564HL
PCI
USB20-OC1
78
USB-OC
HOST
USB20-OC2
87
75
CONTROLLER
PCI-CLK-USB20
7
1
74
B04E
2
USB20-1-DM
83
9
3
USB20-1-DP
85
8
4
RESET-USB20
5
USB 2.0
CONNECTOR
RESET-SYSTEM
B04E
SIDE
B04D
PNX 8541: MMISCELLANEOUS
2
+3V3-STANDBY
7HD0
NCP303LSN
1
RESET-STBY
RST
2
IN
3
GND
B10A
CLASS D
KEYBOARD
2
1P10
1D10
9
9
KEYBOARD
7
7
LED1
6
6
LED1
LED2
4
4
LED2
IR
3
3
RC
5
5
+3.3V
+3V3-STANDBY
8
8
+5V
+5V
1
1
LIGHT-SENSOR
38
B04
PNX8541
PNX 8541: DDR2
7H00
PNX8541E
VIDEO STREAMS
B04N
7HG0
HYB18TC512
7HG1
HYB18TC512
B04G
SDRAM
DDR
DDR2-D(0-31)
SDRAM 1-2
8Mx16x4
DDR2-A(0-12)
DDR2-CLK_P
N28
M8
DDR2-CLK_N
N8
N29
PNX8541
B04F
CONTROL
7N13
CA-DATADIR
D22
CA-DATAEN
A22
CONTROL
B04E
PCI-AD(24-31)
7N11
7N12
CA-ADDEN
B22
PCI-AD(0-14)
CA-MDI(0-7)
CA-MDO(0-7)
B04F
PNX8535: CONTROL_PCI
B04F
CONTROL
PCI
B04H
DIGITAL
VIDEO IN
PCI-AD(0-31)
DUAL
B05A
LVDS
PCI-REQ-USB20
E22
PCI-GNT-USB20
E20
B04A
PNX 8541: STANDBY CONTROLLER
STANDBY CONTROLLER
B04A
3H06
PSEN
Y1
3H07
ALE
Y2
+3V3-STANDBY
3H08
EA
AA4
RESET-STBY
AA3
CEC-HDMI
AB4
B08B
SUPPLY-FAULT
AB3
B02A
3H41
DETECT2
W1
+12VD
DETECT1
AB2
B10A
HP-DETECT
U5
B07C
RESET-SYTEM
AC3
B04E
AV1-BLK
W4
B07A
AV2-BLK
AC2
B07A
AV1-STATUS
AF2
B07A
AV2-STATUS
AF1
B07A
KEYBOARD
AF4
LED1
AD2
LED2
AA1
9H0D
RC_uP
AA2
LIGHT-SENSOR
AF3
B03B
B03A
CHANNEL DECODER DVB-T
MAIN TUNER
7T57
1T04
TDA9898HL
TD1616F
IF
MAIN
PROCESSING
TUNER
46
4-MHz
7T17
TDA10048HN
C5
FE-CLK
19
7
D5
FE-VALID
18
DTV
C4
FE-SOP
17
RECEIVER
DVB-T
41
RESET-SYSTEM
B04E
FE-DATA(0-7)
B04F
PNX 8541: CONTROL_PCI
PCI-AD(24-31) --> NAND-AD(0-7)
PCI-CLK-PNX8535
A21
B04E
PNX 8541: CONTROL_MIPS
7HF1
CY2305SXC
3HFN
AK26
PCI-CLK-OUT
1
8
PCI-CLK-USB20
B08A
ZERO
DELAY
BUFFER
3HFK
PCI-CLK-PNX8535
2
RESET-SYSTEM
AJ26
B03B B03C B04A
B08A B08C
T1
BACKLIGHT-CONTROL
T2
CTRL1-MIPS_LCD-PWR-ON
HOT-PLUG
D10
B08B
DV-CLK
AK17
RESET-NVM_WP-NANDFLASH
U4
9H01
AC1
SDM
SDM
9H08
AE2
SPI-PROG
SPI-PROG
CTRL1-STBY_LAMP-ON
LAMP-ON-OUT
V5
B02B
AG1
7H02
M25P05-AVMN6P
AG2
SPI-CLK
6
AD1
512K
SPI-WP
3
AE4
FLASH
SPI-CSB
1
AE3
AD4
SPI-SDO
5
AE1
SPI-SDI
2
STANDBY
W3
B02B
REGIMBEAU_CVBS-SWITCH
U2
B07A
ENABLE-3V3
U1
B02A
B02C
UART-SWITCH
V3
B04C
AUDIO-RESET
V4
B04M
AUDIO-MUTE-UP
AUDIO-MUTE
W2
B10A
8
B04Q
PNX 8541: FLASH
7HA0
NAND512W3A2CN6E
NAND
FLASH
(512Mx8)
19
7HA1
WP-NANDFLASH-INV
B06B
DISPLAY-INTERFACING
7G58
7G59
BACKLIGHT-OUT
B02B
+12VD
7HA1
VDISP
CONTROL
B05A
DUAL LVDS
7CG0
BU7988KVT
7CG1
17
LVDS
TRANSMITTER
10
B04C
PNX 8541: NVM
7HC3
M24C64-WDW6P
7HC47
8
EEPROM
(8Kx8)
B08C
DIGI I/O: HDMI MUX
7P70
AD8197AASTZ
HDMI
SWITCH
44
RESET-SYSEM
B04E
I_18300_076.eps
081008
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