Sony KV-32FS10 Service Manual ▷ View online
— 21 —
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
32" Lower than 26.95 + (-0.1) V DC.
At AC input: 120.0
±
2.0 VAC
36" Lower than 22.05 + (-0.1) V DC.
At AC input: 120.0
±
2.0 VAC
A BOARD - CONDUCTOR SIDE
Step 5
Confirm that a voltage appears between TP85 and
ground, of more than 23.0 V DC.
ground, of more than 23.0 V DC.
At AC input: 120.0
±
2.0 VAC
A BOARD:
IC355, IC501, D302, D519, D520, D521, C531,
C532, Q301, R356, R359, R361, R387, R529,
R530, R531, R532, R533, R550, T503
C532, Q301, R356, R359, R361, R387, R529,
R530, R531, R532, R533, R550, T503
G BOARD (KV-32FS10, 32FV15, 32XBR250, 36FS10,
36FV15, 36XBR250):
IC643, R661
GA BOARD (KV-34FV10, 34FV15, 34FV15C, 34FV15K,
34FV15T, 34FX250C, 38FV15K, 38FX250, 38FX250C,
38FX250T):
38FX250T):
IC6003, R6088
Step 1
Preparation before Confirmation
Turn the POWER switch ON.
Input a white signal and set the PICTURE and BRIGHT
controls to maximum.
controls to maximum.
Confirm that, when the set is operating normally, the
voltage at check terminal TP85 is more than 23.0 V DC.
voltage at check terminal TP85 is more than 23.0 V DC.
At AC input: 120.0
±
2.0 VAC
Step 2
Input a white signal and verify that I ABL is within the
specified range:
specified range:
2062.5 + 100
µ
A,
+B = 135.5 + 1 VDC .
At AC input: 120.0
±
2.0 VAC
+
I ABL
ABL
T503
FBT
range
-
ammeter
3.0 mA DC
A
Step 3
Record the voltage between TP85 and ground.
Step 4
Using an external DC power supply, apply voltage
between TP85 and ground.
between TP85 and ground.
Increase the voltage gradually and confirm that the
holdown works (raster disappears) at lower than the
voltage recorded in Step 3.
holdown works (raster disappears) at lower than the
voltage recorded in Step 3.
SECTION 4
SAFETY RELATED ADJUSTMENTS
Always perform the following adjustments when replacing the
following components marked with ] on the schematic diagram:
following components marked with ] on the schematic diagram:
G BOARD (KV-32FS10, 32FV15, 32XBR250, 36FS10,
36FV15, 36XBR250):
IC643, R661
GA BOARD (KV-34FV10, 34FV15, 34FV15C, 34FV15K,
34FV15T, 34FX250C, 38FV15K, 38FX250, 38FX250C,
38FX250T):
38FX250T):
IC6003, R6088
1)
Using Variac, apply AC input voltage: 130.0
±
2.0 VAC
2)
Input a monoscope signal.
3)
Set the PICTURE control and the BRIGHT control to
initial reset value.
initial reset value.
4a) (G Board Models) Confirm the voltage of G Board
CN641 between pin
1 to ground on "G" PWB is less
than 136.5 + 1.0 V DC.
4b) (GA Board Models) Confirm the voltage of GA
Board CN6007, between pin
1 to ground on "GA"
PWB is less than 136.5 + 1.0 V DC.
5a) (G Board Models) If step 4a is not satisfied, replace
R661 and repeat the above steps.
5b) (GA Board Models) If step 4b is not satisfied, replace
R6088 and repeat the above steps.
R530, R531 CONFIRMATION METHOD (HOLD-DOWN CONFIRMATION) AND READJUSTMENTS
Always perform the following adjustments when replacing the following
components marked with a ] mark on the schematic diagram:
components marked with a ] mark on the schematic diagram:
+
-
dejital
multimeter
multimeter
+
-
A
ammeter
3mA dc range
3mA dc range
+
-
dc power supply
11
R530
R531
T503
FBT
FBT
TP85
1T40
T503
FBT
FBT
TP85
R531
R530
DC Power Supply
digital multimeter
ammeter
3mA DC range
3mA DC range
B+ VOLTAGE CONFIRMATION AND ADJUSTMENT
— 22 —
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
ELECTRICAL ADJUSTMENT BY REMOTE COMMANDER
NOTE : Test Equipment Required:
1. Pattern Generator
2. Frequency Counter
3. Digital Multimeter
4. Audio OSC
2. Frequency Counter
3. Digital Multimeter
4. Audio OSC
5-1. Method of Setting the Service
Adjustment Mode
SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2.
on
the Remote Commander.
(Press each button within a second.)
(Press each button within a second.)
SERVICE ADJUSTMENT MODE IN
3. The CRT displays the item being adjusted.
4. Press
2
or
5
on the Remote Commander to select the device
item.
5. Press
1
or
4
on the Remote Commander to select the item.
6. Press
3
or
6
on the Remote Commander to change the data.
7. If you want to recover the latest values press
-
then
to read the memory.
8. Press
then
to write into memory**.
NOTE: If the NVM is replaced, perform test and reset, then
download from microprocessor to NVM to prevent loss of picture.
SERVICE ADJUSTMENT MODE MEMORY
Green
9. Press
then
on the Remote Commander to reset.
SECTION 5
CIRCUIT ADJUSTMENTS
CIRCUIT ADJUSTMENTS
Use Remote Commander (RM-Y149A, RM-Y168, RM-Y170, RM-Y171) to perform the following circuit adjustments:
RM-Y171
10. Turn set off and on to exit.
5.3. Adjust Buttons and Indicator
5-2. Memory Write Confirmation Method
1. After adjustment, pull out the plug from the AC outlet, then
replace the plug in the AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again to confirm they were adjusted.
3. Call the adjusted items again to confirm they were adjusted.
**WARNING: Do NOT turn off the power or AC immediately after pressing
then
. Wait at least 10 seconds
.
SERVICE VP VPOS 30
1000 0
1000 0
Device Item
Register Item
Data Item
SERVICE VP VPOS 30
1000 0
1000 0
Device Item
Register Item
Data Item
Red
SERVICE WRITE
1000 0000
1000 0000
Carry out step 9) when adjusting
IDs 0 to 4 and when replacing and
adjusting IC102.
IDs 0 to 4 and when replacing and
adjusting IC102.
Factory original setting
1
2
3
4
5
6
7
8
0
9
CH
VOL
CODE SET
RESET
MENU
GUIDE
JUMP
SLEEP
CH
–
+
TV/SAT
ENTER
DISPLAY
MTS/SAP
TV/VTR
POSITION
FREEZE
AUDIO
SWAP
PIP
TV/VIDEO
PICTURE
MODE
TV/VIDEO
ANT
VTR/DVD
VTR/DVD
POWER
SAT/CABLE
TV
MUTING
TV
SAT/CABLE
FUNCTION
TV
SYSTEM
OFF
RM-Y171
MUTING
(Write into memory)
(Write into memory)
(Read out of memory)
DISPLAY
(Service mode)
(Service mode)
(Device item down)
(Data up)
(Data down)
(Item up)
(Item down)
(Initialize)
(Service mode)
(Device item up)
ENTER
VOL (+)
POWER
1
4
2
3
6
5
0
8
— 23 —
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
5-4. Service Data
No. Register
Description
Data
Adj/Fix
Initial
Average
Comments
Name
Range
Data
Data**
All Models
VP CXA2131S
1
HPOS
Horizontal Position Adjust
0-31
Fix
7
7
2
HSIZ
Horizontal Amp Adjust
0-31
Fix
10
10
3
VBOW
VRT Line Bowing Adjust
0-15
Fix
6
6
4
VANG
VRT Line Bow Slant Adjust
0-15
Fix
5
5
5
TRAP
Horizontal Trapezoid Adjust
0-15
Fix
6
6
6
PAMP
Horizontal Pin Distort Adjust
0-63
Fix
32
32
7
UCPN
Upper Pin
0-63
Fix
36
36
8
LCPN
Lower Pin
0-63
Fix
36
36
9
VSIZ
Vertical Amplitude Adjust
0-63
Fix
0
0
10
VPOS
Vertical Position Adjust
0-63
Fix
31
31
11
VLIN
Vertical Linearity Adjust
0-15
Fix
7
7
12
VSCO
S-Correction
0-15
Fix
7
7
13
VZOM
16:9 CRT Z Mode On/Off
0,1
Fix
0
0
14
EHT
VRT High Volt Correction
0-15
Fix
4
4
15
ASP
Aspect Ratio Control
0-63
Fix
47
47
16
SCRL
16:9 CRT Z Mode Tran Scroll
0-63
Fix
31
31
17
HBSW
HBLK SW
0,1
Fix
1
1
18
LBLK
Left Screen H Blk Control
0-15
Fix
15
15
19
RBLK
Right Screen H Blk Control
0-15
Fix
0
0
20
HDW
H Drive Pulse Width
0,1
Fix
1
1
21
EWDC
EW/DC Adjust
0,1
Fix
0
0
22
LVLN
Screen Bottom VRT Lin Adjust
0-15
Fix
0
0
23
UVLN
Screen Top VRT Lin Adjust
0-15
Fix
0
0
24
RDRV
R Output Drive Control
0-63
Adj
31
31
25
GDRV
G Output Drive Control
0-63
Adj
31
31
26
BDRV
B Output Drive Control
0-63
Adj
31
31
27
RCUT
R Output Cutoff Control
0-15
Adj
7
7
28
GCUT
G Output Cutoff Control
0-15
Adj
7
7
29
BCUT
B Output Cutoff Control
0-15
Adj
7
7
30
RDR4
Video 4 R Output Drive Control
0-63
Adj
31
31
31
GDR4
Video 4 G Output Drive Control
0-63
Adj
31
31
32
BDR4
Video 4 B Output Drive Control
0-63
Adj
31
31
33
RCU4
Video 4 R Output Cutoff Control
0-15
Adj
7
7
34
GCU4
Video 4 G Output Cutoff Control
0-15
Adj
7
7
35
BCU4
Video 4 B Output Cutoff Control
0-15
Adj
7
7
36
SHUE
Sub Hue
0-31
Adj
15
15
37
SCOL
Sub Color
0-31
Adj
15
15
38
SBRT
Sub Brightness
0-63
Fix
15
15
39
RON
R Output On/Off
0,1
Fix
1
1
40
GON
G Output On/Off
0,1
Fix
1
1
41
BON
B Output On/Off
0,1
Fix
1
1
42
AXPL
Axis Pal
0,1
Fix
0
0
43
CBPF
Chroma BPF On/Off
0,1
Fix
1
1
44
COFF
Color On/Off
0,1
Fix
0
0
45
KOFF
Set Color Killer
0,1
Fix
0
0
46
SSHP
Sub Sharpness
0-15
Fix
7
7
47
SHPF
Sharpness Circuit F0
0,1
Fix
1
1
48
PREL
Pre/Over-Shoot Switching
0,1
Fix
1
1
49
Y-DC
DC Trans Ratio Switching
0,1
Fix
1
1
50
ABLM
ABL Mode Switching
0,1
Fix
1
1
51
YDEL
Y Delay Time Control
0-15
Fix
7
7
52
NCOL
No Color ID
0,1
Fix
1
1
53
FSC
FSC Out On/Off
0,1
Fix
1
1
54
K-ID
Killer ID
0,1
Fix
1
1
55
HOSC
H VCO Oscillation Frequency
0-15
Fix
7
7
56
VSS
V Sync Slice Level
0,1
Fix
0
0
57
HSS
H Sync Slice Level
0,1
Fix
0
0
58
HMSK
H Mask
0,1
Fix
1
1
59
VTMS
Select Signal VTIM Pin
0-3
Fix
0
0
— 24 —
KV-32FS10/32FV15/32XBR250/34FV10/34FV15/34FV15C/34FX250C/34FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
34FV15T/36FS10/36FV15/36XBR250/38FX250/38FX250C/38FX250T/38FV15K
Service Data (cont.)
No.
Register Description
Data
Adj/Fix
Initial
Average
Comments
Name
Range
Data
Data**
All Models
VP CXA2131S
continued
6 0
AFC
AFC Loop Gain
0-3
Fix
0
0
6 1
FIFR
Field Frequency
0-3
Fix
3
3
6 2
REFP
REFP
0,1
Fix
0
0
6 3
VBSW
VBW
0-3
Fix
0
0
6 4
BKOF
Blk Off
0,1
Fix
0
0
6 5
AGN2
Aging 2
0,1
Fix
0
0
6 6
YSHU
Hue for YUV Models
0-63
Fix
31
31
AP BH3868 (Group G,P - see table on page 28)
6 7
BBLP
BBE Low Pass
0-15
Fix
5
5
6 8
BBHP
BBE High Pass
0-15
Fix
3
3
6 9
SVOL
Sub Volume
0-15
Fix
15
15
7 0
SBAL
Sub Balance
0-15
Fix
7
7
7 1
SBAS
Sub Bass
0-15
Fix
8
8
7 2
STRE
Sub Treble
0-15
Fix
8
8
AP BH3868 (Group I,J,M,R,V - see table on page 28)
6 7
BBLP
BBE Low Pass
0-15
Fix
5
5
6 8
BBHP
BBE High Pass
0-15
Fix
3
3
6 9
SVOL
Sub Volume
0-15
Fix
7
7
7 0
SBAL
Sub Balance
0-15
Fix
7
7
7 1
SBAS
Sub Bass
0-15
Fix
8
8
7 2
STRE
Sub Treble
0-15
Fix
8
8
AP BH3868 (Group H,L,N,O,U,W,X - see table on page 28)
6 7
BBLP
BBE Low Pass
0-15
Fix
5
5
6 8
BBHP
BBE High Pass
0-15
Fix
3
3
6 9
SVOL
Sub Volume
0-15
Fix
7
7
7 0
SBAL
Sub Balance
0-15
Fix
7
7
7 1
SBAS
Sub Bass
0-15
Fix
5
5
7 2
STRE
Sub Treble
0-15
Fix
5
5
AP TDA7467
7 3
SPCA
SRS/Space Attenuation
0-63
Fix
0
0
7 4
CENA
SRS/Center Attenuation
0-63
Fix
0
0
7 5
INPA
Input Attenuation
0-127
Fix
3
3
3D UPD64081
7 6
HHDS
HH Off
0-3
Fix
1
1
7 7
COUT
Gain 1/BPF On
0-3
Fix
3
3
7 8
YAPS
V Comp/Y Eaking On
0-3
Fix
3
3
7 9
NSDS
Adaptive
0-3
Fix
0
0
8 0
MSS
Adaptive
0-3
Fix
0
0
8 1
DYC
Hi Impedence
0-3
Fix
2
2
8 2
EXAD
Ext Ad Selected
0,1
Fix
1
1
8 3
PECS
Standard
0-3
Fix
0
0
8 4
EXCS
Use CSI Just In Case
0-3
Fix
1
1
8 5
CPP
VTB = 1.25VPP
0-3
Fix
0
0
8 6
HDP
H Phase +/- 0 µ sec
0-7
Fix
3
3
8 7
CDL
Y/C Delay +/- 0 µ sec
0-7
Fix
4
4
8 8
DYCO
Y Moving Coring
0-15
Fix
2
2
8 9
DYGA
Y Moving Gain
0-15
Fix
10
10
9 0
DCCO
C Moving Coring
0-15
Fix
2
2
9 1
DCGA
C Moving Gain
0-15
Fix
9
9
9 2
YNRK
Effect Small
0,1
Fix
1
1
9 3
YNRI
Effect Small
0.1
Fix
0
0
9 4
YNRL
Noise Limit
0-3
Fix
1
1
9 5
CNRK
Effect Small
0,1
Fix
1
1
9 6
CNRI
Effect Small
0,1
Fix
0
0
9 7
CNRL
CNR Limit
0-3
Fix
1
1
9 8
ID1O
ID 1 Through
0,1
Fix
0
0
9 9
ID1W
4:03
0,1
Fix
0
0
100
ID1N
Normal
0,1
Fix
0
0
101
CLK
Low Fix
0,1
Fix
1
1
102
ST1S
Monitor Out
0-3
Fix
0
0
103
ST0S
Monitor Out
0-3
Fix
1
1
104
WSC
Coring
0-3
Fix
1
1
105
VTRH
H Non Standard DET
0-3
Fix
1
1
106
VTRR
H Non Standard DET
0-3
Fix
1
1
107
LDSR
Frame
0-3
Fix
2
2
108
PWRE
PWRE
0,1
Fix
0
0
109
PDRE
PDRE
0-7
Fix
4
4
110
PBRE
PBRE
0-15
Fix
8
8
111
VAPG
V Apacon Gain
0-7
Fix
3
3
112
VAPI
V Apacon
0-31
Fix
10
10
113
TEST
Test
0,1
Fix
0
0
114
YPFT
Y Peaking
0-3
Fix
3
3
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