Sony KV-27HS420 Service Manual ▷ View online
34
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
Ref. #
Category
T8001
A
R8015
C
R8017
C
R8019
D
R8035
E
R8036
E
R8037
E
R8038
E
R8039
E
R8040
E
R8043
E
R8078
D
R8165
D
IC8005
C
IC8104
D
R8012
C
R8014
C
R8016
D
R8021
C
R8027
E
R8029
E
R8030
E
R8031
E
R8046
D
R8052
D
R8059
C
R8060
C
R8066
C
R8072
D
R8079
D
R8082
E
R6590
B
D8022
D
PH8003
C
Q8007
E
Q8008
E
IC8001
D
IC8002
C
IC8004
C
IC6503
B
HV SERVICE FLOWCHART TABLE
35
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
SECTION 4: CIRCUIT ADJUSTMENTS
ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER
Use the Remote Commander (RM-Y197) to perform the circuit adjustments in this section.
Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
4-1.SETTING SERVICE ADJUSTMENT MODE
1. Standby mode (Power off).
2. Press the following buttons on the remote commander within a second
of each other:
DISPLAY
Channel 5
Sound Volume +
Power
4-1.1. SERVICE ADJUSTMENT MODE IN
Disp.
(Item)
(Item)
Item
data
data
0
VP
HSIZ
HSIZ
7
TV
Item
order
order
SERVICE
Mode
3. The CRT displays the item being adjusted.
4. Press 1 or 2 on the Remote Commander to select the item.
5. Press 3 or 6 on the Remote Commander to change the data.
6. Press MUTING then ENTER to write into memory.
4-1.2.SERVICE ADJUSTMENT MODE MEMORY
Disp.
(Item)
(Item)
Item
data
data
SERVICE
0
VP
HSIZ
HSIZ
7
TV
Item
order
order
ENTER
MUTING
Red
Green
7. Press 8 on the Remote Commander to initialize.
Disp.
(Item)
(Item)
Item
data
data
WRITE
0
VP
HSIZ
HSIZ
7
TV
Item
order
order
8. DO NOT turn off set until SERVICE appears.
4-1.3. READING THE MEMORY
1. Enter into Service Mode.
2. Press 0 on the Remote Commander.
3. Press ENTER to read memory.
4-1.4. ADJUSTING THE PICTURE
1. Enter into Service Mode
2. Press 2 or 5 on the remote to select the device item.
3. Press 1 or 4 on the remote to select an item.
4. Press 3 or 6 on the remote to change the data.
5. Press MUTING then ENTER to write into memory.
4-1.5. RESETTING THE DATA
CAUTION: Be careful when using the remote! It will clear and re-
initialize ALL NVM data including defl ection adjustment data if not
reset properly as follows:
initialize ALL NVM data including defl ection adjustment data if not
reset properly as follows:
4-1.6. RESETTING THE MID NVM DATA
1. Enter into Service Mode.
2. Press 7 , then JUMP , and then press ENTER on the remote.
4-1.7. RESETTING THE SYSTEM NVM DATA
1. Enter into Service Mode. This resets DEFL adjust and video white
balance.
2. Press 7 , then 9 , and then press ENTER on the remote.
4-1.8. COPY FUNCTION
How to use copy function for DA4 Chassis:
• After writing your adjusted data into NVM, press MUTING
then ENTER , copy can be made by changing copy data from 0 to
1 then MUTING , and ENTER again.
WARNING: DO NOT copy data before writing your corrected data in
NVM. If data is copied before writing corrected data, old
data will be copied.
data will be copied.
• CPY1: DF/DQP DATA
(CXA2170D-4 Item 6)
36
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
4-2.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 confi rm they were adjusted.
4-3.REMOTE ADJUSTMENT BUTTONS AND INDICATORS
RM-Y197
(Enter into
memory)
memory)
MUTING
POWER
(Service Mode)
Disp. (Item Up)
1
Device (Item up)
2
Disp.(Item Down)
4
(Initialize)
8
VOLUME (+)
(Service Mode)
3
Item
(Data Up)
(Data Up)
6
Item
(Data Down)
(Data Down)
5
(Device Item
Down)
Down)
(Remove from
Memory)
Memory)
0
DISPLAY
(Service Mode)
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
37
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
Category
No
Item
Range
*NOT be memorized
VERSION
0
VER*
0,1
0 *
1
DMY1*
0-255
0
3D-COMB
0
NRMD*
0-3
0 *
1
CLKS
0-3
1
2
NSDS*
0-3
0 *
3
MSS*
0-3
0 *
4
KILS*
0-3
1 *
5
FRZE*
0,1
0 *
6
EXCS
0-3
1
7
CDL
0-7
4
NRMD=0
NRMD=1
NRMD=2
NRMD=3
8
DYCO
0-15
2
2
2
2
9
DYGA
0-15
10
10
10
10
10
DCCO
0-15
5
5
5
5
11
DCGA
0-15
5
5
5
5
12
WSC
0-2
1
13
WSS
0,1
0
Vivid
Standard
Movie
Pro
14
VAPG
0-7
4
2
2
0
15
VAPI
0-31
4
4
4
0
16
TEST*
0,1
0 *
RF
CV/YC
RF
CV/YC
RF
CV/YC
RF
CV/YC
17
YPFT
0-3
3
3
3
3
3
3
3
3
3
18
YPFG
0-15
9
5
7
5
5
6
5
5
6
19
SEDC
0,1
0
20
SEDY
0,1
1
21
YHCO
0-3
1
22
YHCG
0,1
0
23
SYSP
0-3
0
24
TES2*
0-7
0 *
Note:
Item * uses the fixed setting in
normal TV operations.
{Its setting can be changed for
testing in Servcie mode only.
But the change will not be
memorized after leaving
Service mode.}
normal TV operations.
{Its setting can be changed for
testing in Servcie mode only.
But the change will not be
memorized after leaving
Service mode.}
Movie
Pro
Twin
Standard
Vivid
4-4.SERVICE DATA
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