2-6.4. Rf Input - Sub Hue/Sub Color Adjustment; White Balance (Crt) And Sub Bright Adjustment; 2-7.1. Color Offset Adjustment Procedure - Sony Trinitron KV-29DRC420 Service Manual

2-6.4. RF INPUT - SUB HUE/SUB COLOR
ADJUSTMENT
Preparation:
• Input a Color Bar signal to RF (75 IRE 75%).
• Set picture mode: single (FULL) (PRO MODE Reset).
• Picture: Max
1. Set to Service Mode and adjust as follows:
2170P-4
NO. Name Control Function
01 RGBS R ON
2. Connect an oscilloscope to pin 5 of CN9001 (B. DRV) on the CH
Board.
3. Adjust color according to Service Mode for SCOL.
4. Adjust color according to Service Mode for SHUE.
2103-1
NO. Name
03 SCOL
04 SHUE
VB1
COLOR: VB1 < VB4 (=20mV ± 200 mV)
HUE: VB2 < VB3 (=20mV ± 200 mV)
5. Write data into memory.
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
Avg. Data
7
Control Function
SUB COLOR
SUB HUE
VB4
VB2 VB3
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
2-7.WHITE BALANCE (CRT) AND SUB
BRIGHT ADJUSTMENT
Preparation
• Input an all white 480I (15.734 KHz) signal into the VIDEO 1 input
terminal to perform the White Balance (highlight, cut-off) adjustments.
The parameters to adjust are in the CXA2170P1 in Service Mode.
• Set Picture Mode: Single (FULL) ( PRO MODE Reset)
• Picture: Max
• Color: Min
WHITE BALANCE ADJUSTMENT PROCEDURE (Composite White Field Signal into Video 1)
Old Calibration
Highlight/Cutoff
9300K + 8MPCD
(R/G 1.000, B/G 1.000)
Specification
New Calibration
Highlight/Cutoff
10,900K + 2MPCD
(R/G 1.007, B/G 1.139)
Picture Mode: Single (Full)
Picture Setting:Pro
Color Temp: Neutral
Condition
Picture: 63 write to 86h:01h:FFh
Color: 0 write to 86h:03h:00h
2-7.1. COLOR OFFSET ADJUSTMENT
PROCEDURE
Preparation:
• Input an all white (30 IRE) signal to the specifi ed input.
• Adjust the white balance using the specifi ed registers.
• Set picture mode: Single (FULL) (PRO MODE Reset)
• Color: Max
VIDEO 1
CXA2170P1
NO. Name
3
CBOF
4
CROF
VIDEO 5
CXA2170P1
NO. Name
3
CBOF
4
CROF
VIDEO 7 - HDMI 480i Signal
CXA2170P1
NO. Name
3
CBOF
4
CROF
29RSN/29RSEN
32RVE/32RV
WB701
Preset 34RSN
36RV2
38RSN
RDRV (fixed)** 2170P-1-06
GDRV 2170P-1-0
Adjustment
Registers BDRV 2170P-1-08
(Service Mode)
RCUT fixed)** 2170P-1-09
GCUT 2170P-1-10
BCUT 2170P-1-11
** Data will differ by model
Control Function
CB OFFSET
CR OFFSET
Control Function
CB OFFSET
CR OFFSET
Control Function
CB0F (FROM VIDEO 5) + 3
CR0F (FROM VIDEO 5) - 4
R/G B/G
.790 .903
.775 .915
.689 .883
.745 .905
.679 .872
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