Sharp PN-S655 (serv.man3) Service Manual ▷ View online
PN-S655
DISASSEMBLY AND ASSEMBLY
3 – 8
3) Disconnect 6 connectors, Remove 7 screwsA (M3 x 6), and remove the sub power PWB.
[Note for assembly]
• Screw tightening torque: 0.70±0.1N
•
m
8. FILTER PWB DISASSEMBLY AND ASSEMBLY
1) Remove the rear surface covers A and B. (Refer to page 3-3.)
2) Remove the LCD frame assembly (Right). (Refer to page 3-7.)
3) Disconnect 3 connectors. Remove 4 screwsA (M3 x 6), and remove the filter PWB.
[Note for assembly]
• Screw tightening torque: 0.70±0.1N
•
m
A
Connector
6 positions
6 positions
7
A
Connector
3 positions
3 positions
4
PN-S655
DISASSEMBLY AND ASSEMBLY
3 – 9
9. KEY PWB DISASSEMBLY AND ASSEMBLY
1) Remove the rear surface covers A and B. (Refer to page 3-3.)
2) Remove 38 screwsA (M4 x 10(silver)), and remove the front cabinet.
[Note for assembly]
• Screw tightening torque: 1.00±0.1N
•
m
• Pass the key cable through the purse lock and treat it so that it is not pinched.
3) Remove the key cable from clamp.
4) Remove 2 screwsA (M3 x 8(black)), and remove the key PWB.
5) Disconnect the connector of key cable.
[Note for assembly]
• Screw tightening torque: 0.70±0.1N
•
m
• When attaching the key PWB, check to confirm that the key/LED lens is aligned with the front cabinet hole.
Fix the screw at
the position of
the position of
Front
cabinet
cabinet
ŜWhen attaching the
front cabinet
front cabinet
Ş
1. Insert the upper side.
2. Press and insert
the lower side.
the lower side.
A
Key cable
Purse lock
38
mark.
A
No
clearance
clearance
Clearance
provided
provided
Be careful of the
inserting direction
of the connector.
inserting direction
of the connector.
Key PWB
Connector
Gray
[When attaching the key cable]
[When attaching the key PWB]
Check insertion of the
connector.
connector.
White
Check to confirm that the key/LED lens is aligned
with the front cabinet hole.
with the front cabinet hole.
Front cabinet
Clamp
Clamp
Lib
Lib
Key cable
Key cable
2
PN-S655
BLOCK DIAGRAM
4 – 1
CHAPTER 4. BLOCK DIAGRAM
䌄䌖䌉_Tx
Scalar
256MB
DVI_OUT
DVI
SiI9134
Torino
㬍2
FLI30336-AC
EEPROM
䌄䌖䌉_Rx
DVI_IN
DVI
SiI9135
EEPROM
㬍2
EEPROM
L/R
LCD
HDMI
HDMI
OS
EEPROM
VGA
DSUB
LVDS
䇭24bit
15P
AnalogRGB
Amp
Component
BNC
LT6554
INV
LPF
SM5309
SM5309
Composite
BNC
Power
S-terminal S-terminal
UART
Power
LAN
LAN
Flash_M
u-con
SDRAM
RTC
EEPROM ADC
Temperature sensor
Temperature sensor
Buffer
MAX3243
MAX3243
InputSW
PowerSW
LED
RS232C_OUT D-sub
15P
RS232C_IN
D-sub
15P
15P
L
I/F2 PWB
I/F3 PWB
SWITCH PWB
AUDIO Control
Delay
Sound output
Sound input
RCA
R
MSP3440
NJU26901
RCA
L
R
R
L
3.5
㱂
R
AudioAmp
L
YDA138
R
DAC
for sound
for sound
IR light receive
POWER SUPPLY UNIT
DDR_Memory
Flash_Memory
Audio Amp output
DCDC PWB
I/F1 PWB
PN-S655
BLOCK DIAGRAM
4 – 2
■ CONNECTOR TABLE
[
MAIN POWER UNIT]
CN101
AC POWER INPUT
CN302, 303, 304
24V OUTPUT
CN701
12V OUTPUT
CN702
19V OUTPUT
CN501
POWER CONTROL
CN502
SUB POWER CONTROL
CN401
POWER BIAS
[SUB POWER UNIT]
CN101
POWER INPUT
CN 302, 303, 304
24V OUTPUT
CN502
SUB POWER CONTROL
CN201
POWER BIAS
[FILTER BLOCK]
CN001
AC POWER INPUT
CN002
AC POWER OUTPUT
Pin No.
Symbol
Function
1
Neutral
AC input
2
---
3
Live
Pin No.
Symbol
Function
1
24V
Power for inverter
2
3
4
5
6
GND
7
8
9
10
Pin No.
Symbol
Function
1
12V
Power for I/F
2
3
GND
4
Pin No.
Symbol
Function
1
19V
Power for I/F
2
3
NC
4
GND
5
Pin No.
Symbol
Function
1
STB5V
5V output
2
3
GND
4
5
REMO1
Relay control
6
REMO2
12, 19V control
7
REMO3
24V control
Pin No.
Symbol
Function
1
RL ON/OFF Relay control
2
STB5V
5V output
3
GND
4
SHUT24
24V control signal
5
24VON/OFF Control signal output
Pin No.
Symbol
Function
1
GND_VCC
Sub power bias supply
2
BIAS_SUB
Pin No.
Symbol
Function
1
Live
AC input
2
---
3
Neutral
Pin No.
Symbol
Function
1
24V
Power for inverter
2
3
4
5
6
GND
7
8
9
10
Pin No.
Symbol
Function
1
RL ON/OFF Relay control
2
STB5V
5V output
3
GND
4
SHUT24
24V control signal
5
24VON/OFF Control signal output
Pin No.
Symbol
Function
1
GND_VCC
Sub power bias
supply
supply
2
BIAS_SUB
Pin No.
Symbol
Function
1
Live
AC input
2
Neutral
Pin No.
Symbol
Function
1
---
AC output
(For main power)
(For main power)
2
---
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