DOWNLOAD Sony KV-32XBR400 Service Manual ↓ Size: 9.17 MB | Pages: 119 in PDF or view online for FREE

Name: Sony KV-32XBR400
Brand: Sony
SKU: 16658
Rating: 4 (1 reviews)

Model: KV-32XBR400
Pages: 119
Size: 9.17 MB
Type: PDF
Document: Service Manual
Brand: Sony
Device: TV
File: kv-32xbr400.pdf
Date: 2018-11-20

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— 17 —
KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
Screen-Corner Convergence
• 
Input crosshatch pattern.
1. Affix a permalloy assembly corresponding to the
misconverged areas.
         
Dynamic Convergence Adjustments
Set dynamic convergence using the following service mode
adjustment data:

CXA 8070 AP
NO. Register
Function
Data Length
Initial Data
1
YBWU
VCA9
0-63
31
2
YBWL
VCA10
0-63
31
3
RSAP
DC-AMP1
0-63
31
4
RUBW
VCA5
0-63
31
5
RLBW
VCA6
0-63
31
6
LSAP
DC-AMP2
0-63
31
7
LUBW
VCA10
0-63
31
8
LLBW
VCA2
0-63
31
1. YBWU (UPPER Y-BOW)
B R
B R
2. YBWL  (BOTTOM  BOW)
B R
B R
3. RSAP (RIGHT AMP)
R B
4. RUBW (RIGHT SIDE UPPER C-BOW)
B R
5. RLBW (RIGHT SIDE BOTTOM C-BOW)
R B
6. LSAP (LEFT AMP)
B R
7. LUBW (LEFT SIDE UPPER C-BOW)
B R
8. LLBW (LEFT SIDE BOTTOM C-BOW)
B R

— 18 —
KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
3-4. FOCUS ADJUSTMENT
1.  Input Monoscope signal.
2.  Set VIDEO MODE: Standard (RESET).
3.  Adjust focus VR counter-clockwise to confirm the dot's
shape is centered.
4. Confirm center focus with focus VR.
               
3-5.  SCREEN (G2)
1.  Input a monoscope pattern. (NTSC)
2.  Set to service mode and adjust as follows:
CXA 2150P-2
No.
Disp.
Item
Avg.
00
ALBK
ALL_BLK
0
3.  Adjust RV9002 on the C Board so that voltage on red, green
and blue cathodes is 170.0 +0.5V DC.
4. Adjust horizontal line at top of screen so it is cutoff.
Note:  Never set ALBK to 1 when external power supply is
connected to cathode.
3-6.  PICTURE QUALITY ADJUSTMENT
Initial set-up condition
1. Set PRO MODE (Picture : MAX, GAMMA :0)
2. Dynamic-color: Off (=Trinitone: MID).
3. Set the service mode to the following:
C2150P-4
No.
Name
Control Function
Avg. Data
06
UDCL
Dynamic Color: OFF
0
08
UGRAM
GRAMMA
0
15
DCTR
DC-TRAN
0
16
DPIC
DYNAMIC PIC:OFF
0
4. Input Signal (480i):
Color Bar Video 75 IRE (White) 75% modulation
7.5% Set-up
Color Bar RF 75 IRE (White) 75% modulation
7.5% Set-up
3-6-1. VIDEO INPUT -Two Picture Sub
Contrast Adjustment
1. Input a Color Bar signal to VIDEO 1 (75 IRE 75%).
2. Set picture mode: P&P (PRO MODE).
3. Set to service mode and adjust as follows:
2150P-4
No.
Name
Control Function
Avg. Data
00
UPIC
PICTURE
63
02
UCOL
COLOR
0
2150P-2
No.
Name
Control Function
Avg. Data
01
RGBS
R ON
4
INITIAL DATA (IMPORTANT)
2150P-4
No.
Name
Control Function
Avg. Data
23
SCON
SUB-CONT
9
2103-1
No.
Name
Control Function
Avg. Data
00
YLEV
Y-OUT
23
2103-2
No.
Name
Control Function
Avg. Data
00
YLEV
Y-OUT
23
4.  Connect oscilloscope to Pin 1 of CN9001 (R. DRV) on C
Board.
5. Adjust MAIN (left) side contrast according to service mode
for SCON.
2103-1
No.
Name
Control Function
02
SCON
SUB-CONT
6. Adjust SUB (right) side contrast according to service mode
for SCON.
2103-2
No.
Name
Control Function
02
SCON
SUB-CONT
         32”:  VR1-VR2 =  VR = 1.92 +0.05 Vp-p
 36”/ 38”:  VR1-VR2 =  VR = 2.0 +0.05 Vp-p
7. Write data from 5 and 6 above into memory.

— 19 —
KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
3-6-2.  VIDEO INPUT - Sub Hue/Sub Color
Adjustment
1. Input a Color Bar signal to VIDEO 1 (75 IRE 75%).
2. Set picture mode: P&P (PRO MODE).
3. Set to service mode and adjust as follows:
2150P-4
No.
Name
Control Function
Avg. Data
00
UPIC
PICTURE
63
02
UCOL
COLOR
31
2150P-2
No.
Name
Control Function
Avg. Data
01
RGBS
R ON
7
4. Connect oscilloscope to Pin 5 of CN9001 (B. DRV) on C
Board.
5. Adjust MAIN (left) side color according to service mode for
SCOL.
6. Adjust MAIN (left) side color according to service mode for
SHUE.
2103-1
No.
Name
Control Function
03
SCOL
SUB-COL
04
SHUE
SUB-HUE
7. Adjust SUB (right) side color according to service mode for
SCOL.
8. Adjust SUB (right) side color according to service mode for
SHUE.
2103-2
No.
Name
Control Function
03
SCOL
SUB-COL
04
SHUE
SUB-HUE
             
           COLOR: VB1<VB4 (=VB1 + 0~90mV)
           HUE: VB2<VB3 (=VB2 + 0~90mV)
           (HUE: Adjust data - 2 step)
9. Write data into memory.
3-6-3. RF INPUT Two Picture Sub Contrast
Adjustment
1. Input a Color Bar signal to RF (75 IRE 75%).
2. Set picture mode: P&P. (PRO MODE)
3. Set to service mode and adjust as follows:
2150P-4
No.
Name
Control Function
Avg. Data
00
UPIC
PICTURE
63
02
UCOL
COLOR
0
2150P-2
No.
Name
Control Function
Avg. Data
01
RGBS
R ON
4
INITIAL DATA (IMPORTANT)
2150P-4
No.
Name
Control Function
Avg. Data
23
SCON
SUB-CONT
9
2103-1
No.
Name
Control Function
Avg. Data
00
YLEV
Y-OUT
23
2103-2
No.
Name
Control Function
Avg. Data
00
YLEV
Y-OUT
23
Note: Use the same average data as 3-6-1 items 5 and 6 after the
      adjustment.
4. Connect oscilloscope to Pin 1 of CN9001 (R. DRV) on C Board.
5. Adjust MAIN (left) side contrast according to service mode for
SCON.
2103-1
No.
Name
Control Function
02
SCON
SUB CONT

— 20 —
KV-32XBR400/36XBR400/36XBR400H/38DRC1/38DRC1C
6.  Adjust SUB (right) side contrast according to service mode
for SCON.
2103-2
No.
Name
Control Function
02
SCON
SUB CONT
                     
       32”: VR1-VR2 =  VR = 1.92 +0.05Vp-p
36”/38”: VR1-VR2 =  VR = 2.0 +0.05Vp-p
7. Write data from 5 and 6 above into memory.
3-6-4. RF INPUT-Sub Hue/Sub Color
Adjustment
1. Input a Color Bar signal to RF (75 IRE 75%).
2. Set picture mode: P&P (PRO MODE).
3. Set to service mode and adjust as follows:
2150P-4
No.
Name
Control Function
Avg. Data
00
UPIC
PICTURE
63
02
UCOL
COLOR
31
2150P-2
No.
Name
Control Function
Avg. Data
01
RGBS
R ON
7
INITIAL DATA (IMPORTANT)
2150P-4
No.
Name
Control Function
Avg. Data
24
CLOF
OFFSET for UCOL
8
25
HUOF
OFFSET for UHUE
4
2103-1
No.
Name
Control Function
Avg. Data
01
CLEV
CB & CR-OUT
17
20
CBOF
CB- OFFSET
31
21
CROF
CR-OFFSET
31
2103-2
No.
Name
Control Function
Avg. Data
01
CLEV
CB & CR-OUT
17
20
CBOF
CB- OFFSET
31
21
CROF
CR-OFFSET
31
Note: Use the same average data as 3-6-2 items 5,6,7,8
after the adjustment.
4. Connect oscilloscope to Pin 5 of CN9001 (B. DRV) on C
Board.
5. Adjust MAIN (left) side color according to service mode for
SCOL.
6. Adjust MAIN (left) side color according to service mode for
SHUE.
2103-1
No.
Name
Control Function
03
SCOL
SUB COLOR
04
SHUE
SUB HUE
7. Adjust SUB (right) side color according to service mode for
SCOL.
8. Adjust SUB (right) side color according to service mode for
SHUE.
2103-2
No.
Name
Control Function
03
SCOL
SUB COLOR
04
SHUE
SUB HUE
                  
              COLOR: VB1 <VB4 (=VB1 + 0~90mV)
              HUE: VB2 < VB3 (=VB2 + 0~90mV)
              (HUE: Adjust data - 2 step)
8. Write data into memory.
3.7  WHITE BALANCE (CRT) AND SUB
BRIGHT ADJUSTMENT
White Balance
1.  Input an all white 480I (15.734KHz) signal into the
VIDEO 1 input terminal to perform the white balance
(highlight, cut-off) adjustments.  The parameters to adjust are
in the CXA2150P in service mode.
2.  Set the following:
Picture: Full Mode
Pro Mode
Color:
Center

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