Sony RM-PJ2 / RM-PJM11 / VPL-CS4 / VPL-CX4 Service Manual ▷ View online
2-7
VPL-CS4/CX4
2-5. White Balance Adjustment on
Servicing
2-5-1. Signal Level Adjustment
1.
Input the 95 IRE and 100 IRE signals to INPUT-A.
2.
Warm up the unit at least 10 minutes.
Then enter the Service mode.
Press the keys in the following order.
“ENTER”
→
“ENTER”
→
“
↑
”
→
“
↓
”
→
“ENTER”
The message “Do you wish to enter into the
SERVICE MODE? Yes:
↑
No:
↓
” will be displayed.
Select “Yes:
↑
”.
n
When leaving the SERVICE MODE, perform
When leaving the SERVICE MODE, perform
the key operations of item 2, “Do you wish to
return to the USER MODE? Yes:
return to the USER MODE? Yes:
↑
No:
↓
” will
be displayed. Select “Yes:
↑
”.
3.
Set the unit in G-only mode.
4.
Enter the P.DRV on the MENU screen by the DEV.
ADJ.
ADJ.
5.
Discriminate the 95 IRE and 100 IRE by the V-
AMP/CONT (E) controls of the P.DRV.
AMP/CONT (E) controls of the P.DRV.
6.
Set the unit in Red-only mode.
7.
Discriminate the 95 IRE and 100 IRE by the V-
AMP/SUB CON R (E) controls of the P.DRV.
8.
Set the unit in Blue-only mode.
9.
Discriminate the 95 IRE and 100 IRE by the V-
AMP/SUB CON B (E) controls of the P.DRV.
AMP/SUB CON B (E) controls of the P.DRV.
2-5-2. White Balance Adjustment
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.
perform the following adjustments.
1.
Input the 100 IRE FLAT FIELD signal to INPUT-A.
2.
Measure the chromaticity (x, y).
3.
Input the 80 IRE FLAT FIELD signal to INPUT-A.
4.
Adjust the chromaticity (x, y) to the values measured
in step 2. by the VAMP/SUB CON R (E) and B (E)
in step 2. by the VAMP/SUB CON R (E) and B (E)
of the P. DRV.
5.
Change the INPUT signal to the 30 IRE.
6.
Adjust the chromaticity (x, y) to the values measured in
step 2. by the HIGH mode BIAS R, B of W/B.
step 2. by the HIGH mode BIAS R, B of W/B.
7.
Change the INPUT signal to the 80 IRE.
8.
Adjust the chromaticity (x, y) to the values measured in
step 2. by the GAIN R, B.
9.
Repeat above steps 5. to 8. until the chromaticity
become the following values.
x
x
±
0.002, y
±
0.004 (The x and y are the values
measured in step 2.)
2) LOW Mode of INPUT-A
1.
Input the 80 IRE FLAT FIELD signal to INPUT-A.
2.
Set the GAIN G to HIGH mode value at “
_25” with the
LOW mode of the W/B. Set GAIN to HIGH mode value
at “
at “
+15”.
3.
Set the GAIN B that is equal to HIGH mode value.
4.
Set the BIAS R, G and B that are equal to HIGH mode
values.
5.
Measure the chromaticity (x, y).
6.
Input the 30 IRE FLAT FIELD signal to INPUT-A.
7.
Adjust the chromaticity (x, y) to the values measured in step
5. by the BIAS G and B of the LOW mode of the W/B.
8.
Input the 80 IRE signal to INPUT-A.
9.
Adjust the chromaticity (x, y) to the values measured in
step 5. by GAIN G and B.
step 5. by GAIN G and B.
10. Repeat above steps 6. to 9. until the chromaticity
become the following values.
x
±
0.002, y
±
0.004 (The x and y are the values
measured in step 5.)
3) HIGH Mode of VIDEO
1.
Input the VIDEO signal of NTSC or PAL.
2.
Set the GAIN G to HIGH mode value at “
_15” with the
INPUT-A HIGH mode of the W/B.
Set the BIAS G to INPUT-A HIGH mode at “
_5”.
3.
Set the GAIN R, B and BIAS R, B that are equal to
INPUT-A HIGH mode values.
4) LOW Mode of VIDEO
1.
Input the VIDEO signal of NTSC or PAL.
2.
Set the GAIN G to LOW mode value at “
_15” with the
INPUT-A LOW mode of the W/B.
Set the BIAS G to INPUT-A LOW mode at “
Set the BIAS G to INPUT-A LOW mode at “
_5”.
3.
Set the GAIN R, B and BIAS R, B that are equal to
INPUT-A LOW mode values.
INPUT-A LOW mode values.
2-8
VPL-CS4/CX4
Gamma mode functions are actualized by offsetting the
output values to the Contrast and Brightness devices.
output values to the Contrast and Brightness devices.
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.
written into the internal RAM.
When adjustment is carried out, adjustment data are
written into the NVM automatically (items on the user
written into the NVM automatically (items on the user
mode) or by the trigger of memory operation (items on the
service mode and factory mode), then stored them.
service mode and factory mode), then stored them.
Adjustable items (W/B and Device Adjust) of the service
mode and factory mode are memorized into the NVM by
mode and factory mode 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.
2-6. Memory
Memory structure consists of the following five memory
blocks.
blocks.
1.
Set memory
2.
Status memory
3.
Channel memory
4.
Chroma memory
5.
W/B memory
CPU internal ROM : 256 kbyte Flash Memory
CPU internal ROM : 16 kbyte
CPU internal ROM : 16 kbyte
External NVM memory : 8 kbyte EEPROM
Set Memory
Status
Memory
Memory
No.01
No.02
No.03
INPUT-A Preset
...
No.50
No.05
No.04
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.04
No.05
...
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
Component(15k)
W/B
Memory
Memory
Computer
Others
HIGH
LOW
HIGH
LOW
W/B
Memory
Memory
HIGH
LOW
Channel
Memory
Memory
Video
S-Video
S-Video
Input-A
Chroma
Memory
Memory
NT358/443/BW60
PAL/PAL-M/N/
SECAM/BW50
SECAM/BW50
Component(15k)
15kRGB
15kRGB
Channel Memory
Chroma Memory
CPU ROM
External NVM
CPU RAM
Active memory copy
Memory
Initialize
3-1
VPL-CS4/CX4
Section 3
Semiconductors
IC
24LC21AT/SN
BA033F-E2
IRMF-A0T-QTP
LT1374IS8#TR
M24C64-WMN6T(A)
NJM062M
NJM2073M(TE2)
ST24FC21M6TR
TA75W393FU
TA75W393FU(TE12R)
TC7W14FU(TE12R)
TC7WH123FU(TE12R)
TC7WH74FU(TE12R)
TL431BCDR2
BA033F-E2
IRMF-A0T-QTP
LT1374IS8#TR
M24C64-WMN6T(A)
NJM062M
NJM2073M(TE2)
ST24FC21M6TR
TA75W393FU
TA75W393FU(TE12R)
TC7W14FU(TE12R)
TC7WH123FU(TE12R)
TC7WH74FU(TE12R)
TL431BCDR2
CXA1875AM-T4
74VHC02MTCX
74VHC125MTCX
TC74LCX125FT(EL)
74VHC125MTCX
TC74LCX125FT(EL)
74VHC240MTCX
74VHCT541AMTCX
CXA1846BN-T4
MK1714-01RT
M52347FP-TE
SN74AHCT541PWR
TC74VHCT541AFT(EL)
74VHCT541AMTCX
CXA1846BN-T4
MK1714-01RT
M52347FP-TE
SN74AHCT541PWR
TC74VHCT541AFT(EL)
AD9884AKS-100
AD9884AKS-140
AD9884AKS-140
ADV7123KST140
BA05FP-E2
L88M05T-FA-TL
L88M05T-FA-TL
BA12FP-E2
CXA2101AQ-TL
1
24
25
40
80
61
41
64
TOP VIEW
CXA2123AQ-T6
14
1
15
24
25
38
39
48
TOP VIEW
19
1
20
32
33
51
52
64
TOP VIEW
CXA3512R-T6
CXD2064Q-T6
CXD9607GB
HD64F2633TE
1
30
31
60
120
91
61
90
TOP VIEW
IS61LV6416-15T(T&R)
LM4041DIM3-1.2(T&R)
1
3
2
1
2
3
LM7131BCM5X
1
2
3
4
5
LP2985IM5X-3.3
TC75S56F(TE85R)
TC7S04FU(TE85R)
TC7S08FU(TE85R)
TC7SET08FU(TE85R)
TC7W04FU
TC7W04FU(TE12R)
TC75S56F(TE85R)
TC7S04FU(TE85R)
TC7S08FU(TE85R)
TC7SET08FU(TE85R)
TC7W04FU
TC7W04FU(TE12R)
1
38
39
64
128
103
65
102
TOP VIEW
1
TOP VIEW
20PIN SOP
1
TOP VIEW
16PIN SOP
1
TOP VIEW
14PIN SOP
1
TOP VIEW
48PIN QFP
1
TOP VIEW
8PIN SOP
1
TOP VIEW
5PIN CHIP
VCC
OUT
GND
1
A
BOTTOM VIEW
144PIN PPBGA
1
TOP VIEW
44PIN TSOP
MARKING SIDE VIEW
1
10PIN SIP
3-2
VPL-CS4/CX4
IC
M52758FP
M62392FP
M52749FP-TP
MBM29LV400TC-70PFTN
-SX-1730
MCZ3001D
MD1320N
MD1320N-TA
MD1320N-TA
MZ1540
PW164-10RS
PQ2TZ15U
5
1
PQ20VZ1U
1: DC IN
2: ON/OFF CTL
3: DC OUT
4: DC OUT ADJ
5: GND
2: ON/OFF CTL
3: DC OUT
4: DC OUT ADJ
5: GND
1
3
2
5
4
PC123F2
PC123FY2
PC123FY2
1
2
3
4
RCV4-A1T-MASK-25
ST72T631K4M1-XX
ST72T631K4M1-XX
RS-140-T
S-80828ANNP-EDR
S-80828ANNP-EDR-T2
S-80842ANNP-ED6
S-80842ANNP-ED6-T2
S-80828ANNP-EDR-T2
S-80842ANNP-ED6
S-80842ANNP-ED6-T2
1
2
3
4
TA78M09F(TE16L)
1
2 3
TK11900MTL
1
TOP VIEW
UPD72012GB-003-3B4
1
TOP VIEW
42PIN SOP
1
TOP VIEW
36PIN SOP
1
TOP VIEW
24PIN SOP
1
TOP VIEW
48PIN SOP
1
TOP VIEW
18PIN DIP
1
TOP VIEW
32PIN SSOP
1
TOP VIEW
44PIN QFP
TCWH04FU(TE12R)
MARKING SIDE VIEW
1
10PIN ZIP
BOTTOM VIEW
1
A
256PIN TBGA
1
TOP VIEW
34PIN SOP
8PIN CHIP
1
4PIN CHIP
1
TOP VIEW
Click on the first or last page to see other RM-PJ2 / RM-PJM11 / VPL-CS4 / VPL-CX4 service manuals if exist.