Sony RM-PJM1 / VPL-CS1 Service Manual ▷ View online
3-4
VPL-CS1
Memory Name
Menu Title
Item Name
SET
CHROMA MEMORY
Reso
Status
Remarks
MEMORY
NT358,NT443
PAL,PALM/N
YUV
Memory
Memory
B&W60
SECAM, B&W 50
P. DRV/
VCOM G
143
VCOM R
182
VCOM B
187
SIG CEN
120
Fixed Value
SID LVL
91
PRG LVL
125
INSTA DOWN
0
INSTA DIR-CNT
0
SH/
SH 1
4
SH 2
67
V AMP
CONT
105
Fixed Value
SUB CONT R
128
Fixed Value
SUB CONT G
128
Fixed Value
SUG CONT B
128
Fixed Value
BRT
161
Fixed Value
SC/
HALFTONE BRT
1
GAMMA ON
1
FREEZE
0 (Non memory)
VINIT EVEN
**
Fixed Value
VINIT ODD
**
Fixed Value
EDMOD
2 (
**
)
Fixed Value
SHOGA
0
Fixed Value
UNSYNCHRO IFV
0 (
*
)
APA/
APA SH LVL
Non Adjustable
Fixed Value
SHIFT SH LVL
Non Adjustable
Fixed Value
PLL/
VCO
0 (
*
)
Fixed Value
CP
*
Fixed Value
OTHER/
TENP LAMP
Non Adjustable
Fixed Value
TENP PANEL
Non Adjustable
Fixed Value
ZOOM
0(Non memory)
*
:
DOT PHASE, SIZE H, SHIFT H/V, SCAN CONV, ASPECT, and BLANKING in the “INPUT SETTING” menu have an initial value
respectively in accordance with the input signal (PRESET MEMORY No.).
respectively in accordance with the input signal (PRESET MEMORY No.).
**
:
It differs in accordance with the resolution of the input signal.
Note : There are nonadjustable items in accordance with the input signal.
3-5
VPL-CS1
3-4. Service Kowhow
3-4-1. After Replacing the Prism Block
1.
Perform Section “3-1-2-2. Polarizing Plate
Adjustment.”
Adjustment.”
2.
Perform Section “3-2. V-COM Adjustment.”
3.
Perform Section “3-5. White Balance Adjustment on
Servicing.”
Servicing.”
3-4-2. After Replacing the Board
. Refer to the cross table below.
. 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 BA board or C board had been replaced.
3-4-2-1. When Replacing the BA Board
When the data before replacement can be read properly
1.
1.
Make a not of the data before replacement. After
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 3-5.).
the white balance adjustment (Refer to Section 3-5.).
When the data before replacement cannot be read
1.
1.
Perform Section “3-2. V-COM Adjustment.”
2.
Perform Section “3-5. White Balance Adjustment on
Servicing.”
3-4-2-2. When Replacing the C Board
1.
Perform Section “3-2. V-COM Adjustment.”
2.
Perform Section “3-5. White Balance Adjustment on
Servicing.”
Servicing.”
3-4-2-3. When Replacing the Other Board
There are no need to perform the adjustment.
Cross Table of Board Replacement
Board Name
Device Name
Item Name
BA
C
P.DRV
VCOM (R)
*
\
VCOM (G)
*
\
VCOM (B)
*
\
CONT
*
95, 100 IRE
SUB CONT R
*
95,100 IRE
SUB CONT G
*
128 Fixed
SUB CONT B
*
95,100 IRE
BRT
*
2.8 V
W/B ADJUST
INPUT A-HIGH
GAIN R
*
No
GAIN G
*
No
GAIN B
*
No
BIAS R
*
No
BIAS G
*
No
BIAS B
*
No
INPUT A-LOW
GAIN R
*
\
GAIN G
*
\
GAIN B
*
\
BIAS R
*
\
BIAS G
*
\
BIAS B
*
\
VIDEO-HIGH
GAIN R
*
No
GAIN G
*
No
GAIN B
*
No
BIAS R
*
No
BIAS G
*
No
BIAS B
*
No
VIDEO-LOW
GAIN R
*
\
GAIN G
*
\
GAIN B
*
\
BIAS R
*
\
BIAS G
*
\
BIAS B
*
\
* :
When down the data befor replacement, and then
write in the data after the board replacement.
\ :
Need adjustment
Value: See description.
3-6
VPL-CS1
3-5. White Balance Adjustment on
Servicing
3-5-1. Signal Level Adjustment
1.
Input the 10 STEP signal to INPUT-A.
2.
Warm up the unit at least 10 minutes. Enter the V-
AMP/BRT adjustment mode from the Service mode
as follows :
as follows :
Service Mode
→
MENU
→
DEV.
ADJ
→
P. DRV
→
VAMP/BRT.
3.
Measure TP808, TP811, and TP812 on the C board
by osciloscope. Adujust V AMP/BRT so that the
minimum value in all black level is 2.8 V.
minimum value in all black level is 2.8 V.
4.
Input the 95 IRE and 100 IRE STEP signals.
5.
Set the unit in G-only mode.
6.
Enter the P.DRV on the MENU screen by the DEV.
ADJ.
7.
Discriminate the 95 IRE and 100 IRE by the V-
AMP/CONT controls of the P.DRV.
8.
Set the unit in R-only mode.
9.
Discriminate the 95 IRE and 100 IRE by the V-
AMP/SUB CONT R controls of the P.DRV.
AMP/SUB CONT R controls of the P.DRV.
10. Set the unit in B-only mode.
11. Discriminate the 95 IRE and 100 IRE by the V-
AMP/SUB CONT B controls of the P.DRV.
3-5-2. White Balance Adjustment
3-5-2-1. HIGH Mode of INPUT-A
Input the 10 STEP signal to INPUT-A, and observe the
chromaticity of each luminance.
chromaticity of each luminance.
When varying the chromaticity of each luminance,
perform the following adjustments.
1.
Input the 100 IRE FLAT FIELD signal to INPUT-A.
2.
Measure the chromaticity (x, y).
3.
Input the 50 IRE FLAT FIELD signal to INPUT-A.
4.
Adjust the chromaticity (x, y) to the values measured
in step 2 by the V-AMP/SUB CONT R and B of the
in step 2 by the V-AMP/SUB CONT R and B of the
P. DRV.
3-5-2-2. LOW Mode of INPUT-A
1.
Input the 80 IRE FLAT FIELD signal to INPUT-A.
2.
Set the GAIN G to 60 with the LOW mode of the W/B.
3.
Measure the chromaticity (x, y).
4.
Input the 25 IRE FLAT FIELD signal to INPUT-A.
5.
Adjust the chromaticity (x, y) to the values measured in
step 3 by the BIAS G and B of the LOW mode of the W/B.
6.
Repeat above steps 1 to 5 until the chromaticity become
the following values.
x
±
0.002, y
±
0.003 (The x and y are the values
measured in step 3.)
3-5-2-3. HIGH Mode of VIDEO
Switch the input to COMPONENT from INPUT-A by the
SET SETTING of the Menu screen.
SET SETTING of the Menu screen.
Input the 15k COMPONENT 10 STEP signal to INPUT-A,
and observe the chromaticity of each luminance.
When varying the chromaticity of each luminance, perform
the following adjustments.
1.
Input the 100 IRE FLAT FIELD signal to INPUT-A.
2.
Measure the chromaticity (x, y).
3.
Input the 50 IRE FLAT FIELD signal to INPUT-A.
4.
Adjust the chromaticity (x, y) to the values measured in
step 2 by the V-AMP/SUB CONT R and B of the P. DRV.
3-5-2-4. LOW Mode of VIDEO
1.
Input the 80 IRE 15k COMPONENT FLAT FIELD
signal to INPUT-A.
signal to INPUT-A.
2.
Set the GAIN G to 60 with the LOW mode of the W/B.
3.
Measure the chromaticity (x, y).
4.
Input the 25 IRE FLAT FIELD signal to INPUT-A.
5.
Adjust the chromaticity (x, y) to the values measured in
step 3 by the BIAS G and B of the LOW mode of the W/B.
step 3 by the BIAS G and B of the LOW mode of the W/B.
6.
Repeat above steps 1 to 5 until the chromaticity become
the following values.
the following values.
x
±
0.002, y
±
0.003 (The x and y are the values
measured in step 3.)
3-7
VPL-CS1
3-6. Memory
Memory structure of VPL-CS1 series is based on the 600
series, and it is composed of the following seven memory
series, and it is composed of the following seven memory
blocks.
1.
1.
Set memory
2.
Status memory
3.
Channel memory
4.
Chroma memory
5.
W/B memory
6.
Reso memory
7.
Gamma memory
When the power plug is connected to the power line
(Standby status), all data inside the internal ROM are
(Standby status), all data inside the internal ROM are
written into the NVM (Nonvolatile Memory). When the
power is turned to on, required data for the current picture,
power is turned to on, required data for the current picture,
such as status memory data, etc., are selected, and they are
written into the internal RAM. At this time, the gamma
written into the internal RAM. At this time, the gamma
memory data is not writing into the internal RAM but all
graphics/text data will be transferred to the register inside
the device instead.
the device instead.
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
service mode and special service mode).
service mode and special service mode).
Adjustable items (W/B and Device Adjust) of the service
mode and special service are memorized into the NVM by
the memory operation. At the same time, the factory preset
(adjusted) data are all eliminated from the memory.
(adjusted) data are all eliminated from the memory.
Set Memory
Status
Memory
Memory
No.01
No.02
No.03
INPUT-A Preset
...
...
No.50
Reso No. 0
...
...
Reso No.17
W/B
Memory
Memory
Computer
Others
HIGH
LOW
HIGH
LOW
Set Memory
Status
Memory
Memory
No.01
No.02
No.03
INPUT-A Preset
INPUT-A
User
...
...
No.50
No.71
...
No.90
Set Memory
Status Memory
Channel
Memory
Memory
Video
Input-A
Chroma
Memory
Memory
NT358/443/BW60
PAL/PAL-M/N/
SECAM/BW50
SECAM/BW50
15k Component
W/B
Memory
Memory
Computer
Others
HIGH
LOW
HIGH
LOW
Reso
Memory
Memory
Reso No. 0
...
...
Reso No.17
Reso
Memory
Memory
W/B
Memory
Memory
HIGH
LOW
Channel
Memory
Memory
Video
Input-A
Gamma
Memory
Memory
Graphics
Text
Gamma
Memory
Memory
Output to device directly
Graphics
Text
Chroma
Memory
Memory
NT358/443/BW60
PAL/PAL-M/N/
SECAM/BW50
SECAM/BW50
15k Component
Channel Memory
Chroma Memory
Reso Memory
CPU ROM
External NVM
CPU RAM
Active memory copy
Memory
Initialize
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