Sony KV-PG21M70 Service Manual ▷ View online
– 21 –
KV-PG21P40/PG21M70/PG21P70
RM-952
OPERATION GUIDE
SERVICE MODE
How to set up new NVM (or initialize already written one)
(1) AC ON
(2) Enter Service Mode - describing below how to enter
(3) Push the commander button “5” and “0” sequentially (only set initial data into RAM, but not write them into
(1) AC ON
(2) Enter Service Mode - describing below how to enter
(3) Push the commander button “5” and “0” sequentially (only set initial data into RAM, but not write them into
NVM yet)
(4) Push the commander button “2” and “0” sequentially (copy the data into all NVM area - all wide modes and
50/60Hz respectively)
(5) Push the commander button “8” and “0” sequentially (initialize user data, select program 1 and exit Service Mode)
(6) Select TV system and execute Auto Preset
(6) Select TV system and execute Auto Preset
How to enter Service Mode
•
•
At power ON, push the commander button “test” and “TV ON” sequentially
•
At stand-by, push the commander button “display”, “5”, “vol +” and “power” sequentially
How to exit Service Mode
•
•
Push the commander button “other ON” or power (AC) OFF
How to increment/decrement items and data
•
•
Items : push the commander button “1” / “4”
•
Data : push the commander button “3” / “6” (not write into NVM)
Other operations
•
•
Write data into NVM - push the commander button “mute” and “0” sequentially
•
Read data from NVM - push the commander button “7” and “0” sequentially
•
Copy 50Hz data into 60Hz area - push the commander button “display” and “0” sequentially
SELF DIAGNOSIS MODE
How to enter Self Diagnosis Mode
•
•
At stand-by, push the commander button “display”, “5”, “vol-” and “power” sequentially
How to exit Self Diagnosis Mode
•
•
Push the commander button “other ON” or power (AC) OFF
Other operations
•
•
Clear data and Write into NVM - push the commander button “8” and “0” sequentially
HOTEL TV MODE
How to enter Hotel TV Mode ON stage
•
•
At stand-by, push the commander button “display”, “MUTE”, “vol +” and “power” sequentially
•
The Hotel TV setup display, where the maximum level of the volume can be applied (=35 or above)
•
Write data into NVM - push the commander button “mute” and “0” sequentially
How to enter Hotel TV Mode OFF stage
•
•
At stand-by, push the commander button “display”, “MUTE”, “vol -” and “power” sequentially
•
Write data into NVM - push the commander button “mute” and “0” sequentially
Modification Note
The item including the new addition is yellow.
Auto TV Sys.
1 = Auto TV System available, 0 = not available
No. Bal.(for AVstereo model 1 = no balance in analog select items, 0 = balance included
Pic. Rot
1 = Pic Rotation available, 0 = not available
SPC SOUND
1 = Space Sound available, 0 = not available
Other optional bits are effective if set to 1.
No. 4E OP1
Item
KV-PG21P40
(Singapura)
(Singapura)
KV-PG21M70
KV-PG21P70
KV-PG21P40
(Malaysia)
(Malaysia)
KV-PG21P40
(Malaysia)
(Malaysia)
Thai Bil.
0
0
0
0
0
H. K. Bil
0
0
0
0
0
VM
0
0
0
0
0
-
0
0
0
0
0
SPC SOUND
1
1
1
1
1
Pic. Rot
0
0
0
0
0
Auto TV Sys.
0
0
0
0
0
No Bal.
0
0
0
0
0
– 22 –
KV-PG21P40/PG21M70/PG21P70
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 AJUSTMENT 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.)
– 23 –
KV-PG21P40/PG21M70/PG21P70
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)
– 26 –
– 25 –
KV-PG21P40/PG21M70/PG21P70
RM-952
KV-PG21P40/PG21M70/PG21P70
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
CV (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
A51LPT70X
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
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