Sony VPL-HS3 Service Manual ▷ View online
1-17
VPL-HS3
1-3-20. Extension Board and Extension Connectors Connection (B Board)
n
The following circled numbers correspond to the extension tools on page 1-15.
The following circled numbers correspond to the extension tools on page 1-15.
FRONT
G
C
QA
B
X2
X3
CN708
CN65
CN63
CN62
CN61
CN64
CN104
CN105
CN501
CN502
CN102
CN103
CN151
CN74
CN75
CN72
CN73
CN104
CN101
!=
!-
!-
CN71
1-18
VPL-HS3
1-3-21. Connection Example
n
The following circled numbers correspond to the extension tools on page 1-15.
The following circled numbers correspond to the extension tools on page 1-15.
For C Board
For B Board
C
B
G
G
QA
C
B
X3
X2
X1
1
2
5
4
8
0
7
3
!=
!-
!-
6
9
!-
1-19
VPL-HS3
1-4. Service Knowhow
1-4-1. After Replacing the Prism Block
1.
Perform Section “2-2. V COM Adjustment.”
2.
Perform the Gamma data writing of the Prism Block.
3.
Perform Section “2-4. White Balance Adjustment on
Servicing.”
Servicing.”
1-4-2. After Replacing the Board
. Refer to the cross table shown on right.
. There are no need to perform the adjustment when the board
. There are no need to perform the adjustment when the board
other than the B board or C board had been replaced.
1) When Replacing the B Board
When the data before replacement can be read properly
1.
1.
Make a note of the data described in the cross table of
board replacement, write the data into the new board
with service mode.
board replacement, write the data into the new board
with service mode.
2.
If the white balance is extremely deteriorated, perform
the white balance adjustment (Refer to Section 2-4.).
the white balance adjustment (Refer to Section 2-4.).
When the data before replacement cannot be read
1.
1.
Perform Section “2-2. V COM Adjustment.”
2.
Perform Section “2-4. White Balance Adjustment on
Servicing.”
Servicing.”
3.
Perform Section “2-5. Tilt Adjustment.”
2) When Replacing the C Board
1.
Before replacement, unsolder the IC706 from the
replaced C board and then mount it to the new board.
replaced C board and then mount it to the new board.
2.
Perform Section “2-2. V COM Adjustment.”
3.
If the white balance is extremely deteriorated, perform
the white balance adjustment (Refer to Section 2-4.).
the white balance adjustment (Refer to Section 2-4.).
4.
Perform Section “2-5. Tilt Adjustment.”
3) When Replacing the Other Board
There are no need to perform the adjustment.
Cross Table of Board Replacement
Board Name
Device Name
Item Name
B
C
OTHER
TILT C0
*
O
TILT C1
*
O
TILT C2
*
O
P.DRV
VCOM (R)
*
O
VCOM (G)
*
O
VCOM (B)
*
O
W/B ADJUST
INPUT-A HIGH
GAIN R
*
O
GAIN G
*
O
GAIN B
*
O
BIAS R
*
O
BIAS G
*
O
BIAS B
*
O
INPUT-A LOW
GAIN R
*
O
GAIN G
*
O
GAIN B
*
O
BIAS R
*
O
BIAS G
*
O
BIAS B
*
O
INPUT-A MID
GAIN R
*
O
GAIN G
*
O
GAIN B
*
O
BIAS R
*
O
BIAS G
*
O
BIAS B
*
O
VIDEO MID
GAIN R
*
O
GAIN G
*
O
GAIN B
*
O
BIAS R
*
O
BIAS G
*
O
BIAS B
*
O
VIDEO HIGH
GAIN R
*
O
GAIN G
*
O
GAIN B
*
O
BIAS R
*
O
BIAS G
*
O
BIAS B
*
O
VIDEO LOW
GAIN R
*
O
GAIN G
*
O
GAIN B
*
O
BIAS R
*
O
BIAS G
*
O
BIAS B
*
O
*
: When down the data before replacement, and then
write in the data after the board replacement.
O
: Need adjustment
1-20
VPL-HS3
Gamma memory is actualized through Gamma mode
functions’offsetting the output values to the Contrast and
functions’offsetting the output values to the Contrast and
Brightness devices.
When the power plug is connected to the power line
When the power plug is connected to the power line
(Standby status), all data inside the internal ROM are
written into the NVM (Nonvolatile Memory). When the
written into the NVM (Nonvolatile Memory). When the
power is turned to on, required data for the current picture,
such as status memory data, etc., are selected, and they are
such as status memory data, etc., are selected, and they are
written into the internal RAM.
When adjustment is carried out, adjustment data are
When adjustment is carried out, adjustment data are
written into the NVM automatically (items on the user
mode) or by the trigger of memory operation (items on the
mode) or by the trigger of memory operation (items on the
service mode and special service mode), then stored them.
Adjustable items (W/B and Device Adjust) of the service
Adjustable items (W/B and Device Adjust) of the service
mode and special service mode are memorized into the
NVM by the memory operation. At the same time, the
NVM by the memory operation. At the same time, the
factory preset (adjusted) data are all eliminated from the
memory.
memory.
1-5. Memory
Memory structure consists of the following five memory
blocks.
blocks.
1.
Set memory
2.
Status memory
3.
Chroma memory
4.
W/B memory
5.
Channel memory
6.
Image Flip memory
7.
Picture memory
CPU internal ROM : 384 kbyte Flash Memory
CPU internal RAM : 32 kbyte
CPU internal RAM : 32 kbyte
External NVM memory : 8 kbyte EEPROM
W/B
Memory
High
Low
Middle
No.02
No.03
No.04
...
No.99
No.01
Status
Memory
Memory
Set Memory
Set Memory
Set Memory
Status Memory
Chroma Memory
No.01
No.02
No.02
No.03
No.04
...
No.99
Status
Memory
Memory
Input-A
Preset
No.101
...
No.120
Input-A
User
NT358/443/BW60
PAL/PAL-M/N/
SECAM/BW50
SECAM/BW50
15k RGB
Component (15k)
Two times speed
Component
HDTV (YPbPr)
HDTV (GBR)
(Include two times speed)
Chroma
Memory
Memory
NT358/443/BW60
PAL/PAL-M/N/
SECAM/BW50
SECAM/BW50
15k RGB
Component (15k)
Two times speed
Component
HDTV (YPbPr)
HDTV (GBR)
(Include two times speed)
Chroma
Memory
Memory
High
Low
Computer
Middle
High
Low
Middle
Others
W/B
Memory
Memory
High
Low
Computer
Middle
High
Low
Middle
Others
W/B
Memory
Memory
No.03
No.04
...
No.99
HDMI
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