Sharp LC-46LE631E (serv.man2) Service Manual ▷ View online
73
LC-32LE631
LC-40LE631
LC-46LE631
LC-40LE631
LC-46LE631
Figure 7-7 PNX855xx functional diagram
18770_241_100201.eps
100219
TS out/in for
TS input
CVBS, Y/C,
LVDS for
analog CVBS
SPDIF
Low-IF
SSIF, LR
HDMI
CI/CA
MPEG
PRIMARY
LVDS
VIDEO
SECONDARY
MEMORY
VIDEO
3D COMB
DIGITAL IF
AUDIO DEMOD
AUDIO IN
HDMI
SCALER,
AUDIO DSP
AUDIO DACS
AUDIO OUT
450 MHz
560 MHz
I
2
C
PWM GPIO
IR
ADC
UART
I
2
C
GPIO Flash
analog audio
I
2
S
SPDIF
SYSTEM
USB 2.0
PNX85500x
DVB-T/C
channel decoder
DVB
AV-PIP
SPI
MPEG/H.264
RECEIVER
(8051)
CONTROLLER
AND DECODE
DECODER
PCMCIA
RGB
PROCESSOR
SYSTEM
CONTROLLER
DECODER
VIDEO
24KEf CPU
MIPS32
x 8
AV-DSP
REDUCTION
AND NOISE
DE-INTERLACE
OUTPUT
VIDEO
SUB-PICTURE
ENCODER
OUTPUT
VIDEO
quad channel)
(single, dual or
flat panel display
DRAWING
ENGINE
DMA BLOCK
Motion-accurate
pixel processing
pixel processing
SD
Memory
Card
Ethernet
MAC
Circuit Descriptions (continued)
74
LC-32LE631
LC-40LE631
LC-46LE631
LC-40LE631
LC-46LE631
This chapter shows the internal block diagrams and pin
configurations of ICs that are drawn as “black boxes” in the
configurations of ICs that are drawn as “black boxes” in the
electrical diagrams (with the exception of “memory” and “logic”
ICs).
ICs).
8.1
Diagram
USB Hub
B01C, USB2513B (IC 7F25)
Figure 8-1 Internal block diagram and pin configuration
18770_301_100217.eps
100217
Block diagram
Pinning information
Note :
The LED port indicators only apply to USB2513i.
To Upstream
V
BUS
3.3 V
Upstream
PHY
Upstream
USB Data
Repeater
Controller
Serial
Interface
Engine
Serial
Interface
To EEPROM or
SMBus Master
SCL
SDA
Port
Controller
Bus-
Power
Detect/
V
bus
Pulse
PHY#1
USB Data
Downstream
OC
Sense
Switch/
LED
Drivers
USB Data
Downstream
Port
Power
3.3 V
PLL
24 MHz
Crystal
Routing & Port Re-Ordering Logic
Regulator
CRFILT
Port
Power
Regulator
PHY#x
Port #x
OC Sense
Switch Driver/
LED Drivers
TT
#x
TT
#1
...
Port #1
OC Sense
Switch Driver/
LED Drivers
OC
Sense
Switch/
LED
Drivers
...
The ‘x’ indicates the number of available downstream ports: 2, 3, 4, or 7.
Ground Pad
(must be connected to VSS)
SMSC
USB2512/12A/12B
USB2512i/12Ai/12Bi
(Top View QFN-36)
26
VD
D33
25
RESET
_N
24
HS_IND /
CF
G_SEL
[1]
23
SC
L /
SMBCLK
/ CFG_SE
L[0]
22
SD
A /
SM
BDATA /
N
O
N
_
REM
[1
]
21
NC
20
NC
19
VB
US
_DET
27
NC
18
NC
17
OCS_N[2]
16
PRTPWR[2] / BC_EN[2]*
15
OCS_N[1]
14
VDD33
13
CRFILT
12
PRTPWR[1] / BC_EN[1]*
11
TEST
10
VDD33
SUSP_IND / LOCAL_PWR / NON_REM[0]
28
VDD33
29
USBDP_UP
31
XTALOUT
32
XTALIN / CLKIN
33
RBIAS
36
VDD33
35
PLLFILT
34
USBDM_UP
30
VDD
3
3
1
USBDM_
DN
[1]
2
US
B
D
P_
D
N
[1
]
3
US
BDM_
DN
[2]
4
US
B
D
P_
D
N
[2
]
5
NC
6
NC
7
NC
8
NC
9
Indicates pins on the bottom of the device.
IC DATA SHEETS
8. IC Data Sheets
75
LC-32LE631
LC-40LE631
LC-46LE631
LC-40LE631
LC-46LE631
8.2
Diagram
Temp sensor & headphone
B01J, LM75BDP (IC 7FD1)
Figure 8-2 Pin configuration
18770_300_100217.eps
100217
Block diagram
Pinning information
LM75B
SDA
V
CC
SCL
A0
OS
D
N
G
1
A
A2
BIAS
REFERENCE
BAND GAP
TEMP SENSOR
OSCILLATOR
POWER-ON
RESET
11-BIT
SIGMA-DELTA
A-to-D
CONVERTER
POINTER
REGISTER
TIMER
COMPARATOR/
INTERRUPT
COUNTER
LOGIC CONTROL AND INTERFACE
CONFIGURATION
REGISTER
THYST
REGISTER
TOS
REGISTER
TEMPERATURE
REGISTER
LM75BDP
V
A
D
S
CC
0
A
L
C
S
1
A
S
O
2
A
D
N
G
1
2
3
4
6
5
8
7
IC Data Sheets (continued)
76
LC-32LE631
LC-40LE631
LC-46LE631
LC-40LE631
LC-46LE631
8.3
Diagram
NANDflash - conditional access
B02A, PNX855xx (IC7S00)
Figure 8-3 Internal block diagram and pin configuration
18770_308_100217.eps
100217
Block diagram
Pinning information
TS out/in for
TS input
CVBS, Y/C,
LVDS for
analog CVBS
SPDIF
Low-IF
SSIF, LR
HDMI
CI/CA
MPEG
PRIMARY
LVDS
VIDEO
SECONDARY
MEMORY
VIDEO
3D COMB
DIGITAL IF
AUDIO DEMOD
AUDIO IN
HDMI
SCALER,
AUDIO DSP
AUDIO DACS
AUDIO OUT
450 MHz
500 MHz
I
2
C
PWM Px_x
IR
ADC
UART
I
2
C
GPIO
Flash
analog audio
I
2
S
SPDIF
SYSTEM
USB 2.0
PNX8550x
DVB-T/C
channel decoder
DVB
AV-PIP
SPI
RECEIVER
(8051)
CONTROLLER
AND DECODE
DECODER
PCMCIA
RGB
PROCESSOR
SYSTEM
CONTROLLER
MULTI-
STANDARD
VIDEO
DECODER
24KEf CPU
MIPS32
x 10
AV-DSP
REDUCTION
AND NOISE
DE-INTERLACE
OUTPUT
VIDEO
SUB-PICTURE
ENCODER
OUTPUT
VIDEO
quad channel)
(single, dual or
flat panel display
DRAWING
ENGINE
Scatter/Gather
TS Demux
Motion-accurate
pixel processing
pixel processing
SD
Memory
Card
Ethernet
MAC
analog Y/C
Direct-IF
PNX8550xE
Transparent top view
2
4
6
8 10 12
13
14
15 17
16
19
18 20
21 23
22 24
25
26
1
3
5
7
9 11
ball A1
index area
index area
AB
AD
AA
AC
Y
W
V
U
R
N
T
P
M
L
K
J
H
F
D
G
E
C
B
A
AF
AE
IC Data Sheets (continued)
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