Sony KV-PG14L70 Service Manual ▷ View online
– 21 –
KV-PG14P40/PG14L70/PG14L70/H
RM-952
4-3. PICTURE QUALITY ADJUSTMENT
SUB COLOR ADJUSTMENT
1. Select Video.
2. Input a PAL color-bar.
3. Set to the following condition:
2. Input a PAL color-bar.
3. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN300, A board.
5. Set to Service Mode and select 13 ‘SC1’ with 1 and 4 of
5. Set to Service Mode and select 13 ‘SC1’ with 1 and 4 of
the commander then adjust to VB2=VB3=VB4 with 3 and
6.
6.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Adjust 13 ‘SC1’ as step 2 to 5 when receiving NTSC
color-bar.
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC 3.58, color-bar into Video/TV mode.
3. Set the following condition:
2. Input a NTSC 3.58, color-bar into Video/TV mode.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN300, A
board.
5. Select 11"SHU" with 1 and 4 of the commander by setting
to Service Mode and adjust to VB1=VB2=VB3=VB4 with 3
and 6 .
and 6 .
The highest level of VB1,VB2,VB3,VB4 must be aligned at
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Select TV channel with NTSC 3.58 and repeat 3 to 5.
8. Press
8. Press
[MUTING]
→ - of the commander to write the data.
9. Single system model with NTSC 4.43, select TV channel with
NTSC 4.43 and repeat 3 to 5.
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
4-4. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1.
Set to Service mode.
2.
Input PAL color bar.
3.
Using the 1 and 4 button, select category GEO
(Service Mode).
(Service Mode).
4.
Raise/lower the data using the 3 and 6 buttons.
Select and adjust the following items to obtain optimum
image.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMPLITUDE
03
CPN
CORNER PIN
04
TLT
TLT
05
VSL
V SLOPE
06
VAP
VERTICAL AMPLITUDE
07
SCO
S CORRECTION
08
VPS
V SHIFT
NORMAL MODE (60Hz)
5. Input 525/60Hz signal.
6. Using the 1 and 4 buttons select category GEO (Service
5. Input 525/60Hz signal.
6. Using the 1 and 4 buttons select category GEO (Service
Mode).
7. Select and adjust the following items to obtain obtimum
image.
Raise/lower the data with the 3 and 6 buttons.
Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMPLITUDE
03
CPN
CORNER PIN
04
TLT
TILT
05
VSL
V SLOPE
06
VAP
VERTICAL AMPLITUDE
07
SCO
S CORRECTION
08
VPS
V SHIFT
4-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1.
Enter to Service Mode.
2.
Press commander buttons 5 and - (Data Initialize), and
2 and - (Data Copy) to initialize the data.
2 and - (Data Copy) to initialize the data.
3.
Call each item number and check if the respective screen
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
[MUTING]
+-).
4.
Select item numbers 4E ‘OP0’, 4F ‘OP1’, 50 ‘OP2’ and
respectively set the bit per model with command buttons
3 and 6 .
respectively set the bit per model with command buttons
3 and 6 .
5.
Press commander buttons 8 and - (Test Normal) to return
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 22 –
KV-PG14P40/PG14L70/PG14L70/H
RM-952
4-6. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 08
01
HSZ (H SIZE)
04
TLT (TILT)
06
VAP (VERTICAL AMPLITUDE)
00
HPS (H POSITION)
02
PAP (PIN AMPLITUDE)
03
CPN (CORNER PIN)
05
VSL (V SLOPE)
08
VPS (V SHIFT)
07
SCO (S CORRECTION)
– 24 –
– 23 –
KV-PG14P10/PG14P10/G/PG14P10/L
KV-PG14P40/PG14P40/L/PG14P40/N
RM-952
KV-PG14P10/PG14P10/G/PG14P10/L
KV-PG14P40/PG14P40/L/PG14P40/N
RM-952
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
59
60
38
41
40
36
35
34
3
6
56
54
12
L/H
U/V
VC
KEY1
KEY2
RESET
EXTAL
XTAL
TIMER
RESP/
IICLK0
IIDAT0
BLK
NICAM
VC AMP
Q105
Q106
VC FILTER
Q100
BUFFER
AGC
TU
U/V
L/H
50
42
47
25
55
53
26
3
4
17
48
27
G
BRT ABL
HSYNC
HSYNC
IICLK1
IIDAT1
SIRCS
I
M
VPULSE
VSYNC
HDSW
IC001
Q315
G BUFFER
5
6
IC003 MEMORY
1
2
IC004 IR DET
+5V
S901
5
4
IC002 +5V REG
1
+9V
+5V
X101
Q001
LED
DRIVE
DRIVE
LED
Q002
+5V
TIMER
D901
NICAM
ST/BY
Q103, 104
FILTER
SWF100
Q102
IF BUFFER
IF
TU101 TUNER
L OUT
L IN
7
5
IC203
AUDIO OUT
Q405
BUFFER
L MUTE
Q401
VIDEO
L (MONO)
J1201
CN251
SP
J251
EARPHONE
MONITOR
OUT
A
POWER SUPPLY, DEFLECTION,
AUDIO & VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT
AND MICROCOMPUTER
AUDIO & VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT
AND MICROCOMPUTER
18
19
20
21
48
49
54
41
34
35
26
IF IN
IF IN
AGC
SSCP/FBT
3.58
4.43/3.58
BLK
SCL
7
8 SDA
30
29
38
39
31
32
22
50
B-Y
R-Y
CVBS OUT
BLK/STC
B-Y
R-Y
ABL
EHTX-RAY
IC301
Y/C JUNGLE
X443
4.43MHz
X358
3.58MHz
IF OUT
SIF IN
6
1
H PROT
Q004
Q800
H DRIVE
3
1
PIN CONTROL
IC850,851
Q802
PIN OUT
1
7
IC551 V OUT
5
Q801
H OUT
L802
DUMPER
D804, 851
S800
H SENT
FV
HV
+135V
–13V
+15V
T503
Q500
X RAY
+135V
D561
D591
H+
H+
H–
H–
V–
V+
DY1
2
1
4
200V
1000V
H1
CN851
CN103
CN703
6
5
4
1
Q712
Q711
Q710
Q706
Q705
Q704
R DRIVE
G DRIVE
B DRIVE
R AMP
G AMP
B AMP
Q709
Q708
Q707
IK LIMIT
IK LIMIT
IK LIMIT
R
G
B
IK
12
11
10
5
J701
1 8
1
2
4
1000V
200V
H1
CN701
G2
RV701
C (RGB AMPLIFER)
T601 SRT
+18V
+11V
+B
D60
1
2
DRIVE
LATCH
OVP
OSC
9
8
6
7
2
1
3
4
PH600 PHOTO COUPLER
1
2
IC602 ERROR AMP
IC601 REG SW
CN601
HDY
VDY
H+
H–
V+
V–
DY ASS'Y
IK
B
G
R
DSP MUTE
MOMUTE
11
40
45
46
47
HOR OUT
EAST/WEST
VERT POS
VERT NEG
R
G
B
IK
2
4
1
7
9
10
5
6
11
13
17
16
15
14
13
11
2
3
4
5
8
7
T600
T801
H2
CRT
A34LRG70X
6
5
7
Q407, 406
VIDEO
L (MONO)
IN 1
VIDEO
(FRONT)
(REAR)
VIDEO
IN 1
L (MONO)
VIDEO
11 CVBS IN EXT
3
5
7
IC400
IC402
17 LUMA IN
BUFFER
CLK
DAT
IN
OUT
RESET
55 DE
FILTER
SYNC
SYNC
FILTER
SYNC
FILTER
CT345,CF345
Q302
Q300
CT360,CF360
CT360,CF360
Q304
CT365,CF365
CT365,CF365
Q306, 308
Q307, 310
Q311, 313
DK SW
I SW
M SW
B/G SW
Q309, 312
Q301, 303
Q305
CT355,CF355
CT355,CF355
SYNC
FILTER
13
CVBS IN INT
SYNC
FILTER
Q318, Q201
BUFFER
AUDIO SW
SYSTEM CONTROLLER
CH +
CH -
S902
VOL -
S904
VOL +
S903
TV/VIDEO
S905
S906
SEL
1
3
CN602
DGC
1
2
4
3
6
5
16
56 V PULSE
8
MUTE
AUDIO OUT
15
D/K
B/G
2
1
LUMA IN 27
28
LUMA OUT
+9V
REG
+9V
IC604
– 26 –
– 25 –
KV-PG14P10/PG14P10/G/PG14P10/L
KV-PG14P40/PG14P40/L/PG14P40/N
RM-952
KV-PG14P10/PG14P10/G/PG14P10/L
KV-PG14P40/PG14P40/L/PG14P40/N
RM-952
5-2. CIRCUIT BOARDS LOCATION
5-3. SCHEMATIC DIAGRAM
Note:
•
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
Indication of resistance which does not have rating electrical
power is as follows.
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for rrepair.
•
All variable and adjustable resistors have characteristic curve
B unless otherwise noted.
B unless otherwise noted.
•
Redings are taken with a color-bar signal input.
no mark
no mark
: Common
(
)
: PAL
[
]
: NTSC 3.58
•
Readings are taken with a 10 M
Ω digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
÷
: signal path.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
✽
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note:
The component identified by shading and
mark
mark
! are critical for safety. Replace only
with part number specified.
C BOARD
A BOARD
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