Sharp 21HS-50 (serv.man8) Service Manual ▷ View online
5
21HS-50H
MENU
CH
Power ( ) button
Power/On Timer indicator
Remote Control Sensor
Menu button
Volume Up ( )/Down ( ) buttons
Channel Up ( )/Down ( ) buttons
TV/VIDEO
VCR
TV
CH
CH
MENU
LIST
GA006SA
TV/ VCR/ TEXT REMOTE CONTROL
1
2
3
4
5
6
7
8
0
9
TV
VCR
CH
CALL
(
)
/CHILD LOCK
(
)
button
Infrared Transmitter Window
Aim this window at the infrared sensor
on your TV set
on your TV set
FLASHBACK
( ) button
Returns to previously viewed
programme
programme
TV/VIDEO Select
button
POWER/STANDBY
(
)
button
Programme Select
buttons
MENU
button
HALF PAGE
( ) button
(Teletext)
VOLUME UP
( )
/DOWN
( ) buttons
( ) Increases sound
( ) Decreases sound
(These are also used for menu set up)
( ) Decreases sound
(These are also used for menu set up)
CANCEL
( ) button
(Teletext)
RESET
( ) button
(Teletext)
Single/Double
Entry button
( )
Text/Mix
(
)
Select
button
(Teletext)
COLOUR
buttons
REVEAL
(
)
button
(Teletext)
TV
button
(Teletext)
HOLD
(
)
button
(Teletext)
CHANNEL (PROGRAMME) UP
( )
/
DOWN
( ) buttons
( ) Selects next higher programme
( ) Selects next lower programme
(These are also used for menu
set up)
( ) Selects next lower programme
(These are also used for menu
set up)
STORE
( ) button
(Teletext)
SOUND MUTE
(
)
button
CLOCK
(
)
button
(Teletext)
Sound Mode Select
(
)
button
INDEX
(
)
button
(Teletext)
LIST Select
button
(Teletext)
26
Location of Controls
Remote Control
TV Front
Euro-SCART 21-Pin Terminal
1. Audio right output
2. Audio right input
3. Audio left output
4. Common earth for audio
5. Earth for blue
6. Audio left input
7. Blue input
2. Audio right input
3. Audio left output
4. Common earth for audio
5. Earth for blue
6. Audio left input
7. Blue input
8. Audio-video control
9. Earth for green
9. Earth for green
10. Not used
11. Green input
12. Not used
13. Earth for red
14. Not used
11. Green input
12. Not used
13. Earth for red
14. Not used
Audio: Stereo Input / Output.
21-Pin Euro-
15. Red input
16. Red/Green/Blue
16. Red/Green/Blue
control
17. Earth for video
For greater A/V enjoyment, various audio and video devices may be
connected via the Euro-SCART 21-Pin Terminal.
connected via the Euro-SCART 21-Pin Terminal.
18.
Earth for video
19.
VIDEO output
20. VIDEO input
21. Common earth
21. Common earth
6
21HS-50H
SERVICE ADJUSTMENT
•
SERVICE MODE FUNCTION
All required adjustments for servicing this TV set, may be done in “service mode”, excepting G2 and FOCUS.
HOW TO ACCESS THE SERVICE MODE
1.
Turn the receiver on and ensure that it is tuned into a test pattern.
2.
Turn the receiver off using the mains switch.
3.
Press the volume down and channel up buttons together. See Fig.1.
4.
Continue pressing the volume down and channel up buttons while turning
the mains on using the mains switch. See Fig.1.
the mains on using the mains switch. See Fig.1.
5.
Keep pressing the volume down and channel up buttons until the picture appears.
6.
When <<SHARPX X VXX.XX>> appears on the screen, release the two buttons.
7.
The receiver is now in the service mode. See Fig. 2.
To move between the various service mode functions, use the channel up and down buttons. See Fig. 3.
Use the volume buttons to change the data to the desired value. See Fig. 3.
The data will be stored automatically when exiting the service mode. To exit the service mode press the standby button
on the remote control or turn the receiver off with the mains switch.
on the remote control or turn the receiver off with the mains switch.
XXXX:
Adjustment
(Yellow)
(Yellow)
Value
(Green)
(Green)
Fig. 3
Fig. 2
SHARP X X VXX.XX
STS0: XXXX XXXX
STS1: XXXX XXXX
STS2: XXXX XXXX
STS1: XXXX XXXX
STS2: XXXX XXXX
XX:
•
•
•
•
•
4
3
CH
MENU
Fig.1
7
21HS-50H
No. OSD
Function
Range
Initial
Default
FIX/ADJ
1
AGC
AGC Take Over Point
0...63
14
14
ADJ
2
V-LIN
Vertical Slope [VS]
0...63
32
32
ADJ
3
V-AMP
Vertical Amplitude [VA]
0...63
32
32
ADJ
4
V-CENT
Vertical Shift [VSH]
0...63
32
32
ADJ
5
H-CENT
Horizontal shift [HS]
0...63
32
32
ADJ
6
H-CENT60
offset to H-CENT for60 Hz
0...31 data(-16..+15)
16
20
FIX
7
EW / /
Horizontal Parallelogram [HP]
0...63
32
32
FIX
8
HB
Horizontal Bow
0...63
32
32
FIX
9
S-COR
S-Correction [SC]
0...63
0
22
FIX
10
DRI-RS
White point Red Standard white temp.
0...63
32
42
ADJ
11
DRI-GS
White point Green Standard white temp.
0...63
32
42
ADJ
12
DRI-BS
White point Blue Standard white temp
0...63
32
42
ADJ
13
DRI-RW
White point Red Warm white temp.
0...32
16
16
FIX
14
DRI-GW
White point Green Warm white temp.
0...32
16
9
FIX
15
DRI-BW
White point Blue Warm white temp.
0...32
16
9
FIX
16
DRI-RC
White point Red Cold white temp.
0...32
16
9
FIX
17
DRI-GC
White point Green Cold white temp.
0...32
16
9
FIX
18
DRI-BC
White point Blue Cold white temp.
0...32
16
16
FIX
19
SUB-VOL
Max Volume
0...63
60
60
FIX
20
SUB-CON
Sub Contrast
0...63
63
63
FIX
21
SUB-COL
Sub Colour
0...63
32
25
FIX
22
SUB-BRI
Sub Brightness
0...63
32
34
FIX
23
TINT
Sub Tint
0...63
32
32
FIX
24
SUB-SHP
Sub Sharpness
0...63
32
11
FIX
•
SERVICE ADJUSTMENTS AND DATA LIST
The table below shows the various service mode positions, range of values and default value. The columns are headed
as follows.
as follows.
Heading:
Description:
OSD
This is what will appear on the screen when at this position
Function
This is the description of the mode’s function
Range
This is the range of values that can be entered while in this mode
Initial
This is the initial value, i.e. just after changing the NVM
Default
This is the recommended default value for this mode
FIX/ADJ
If this is ADJ, then it may be necessary to adjust this value away from the default
8
21HS-50H
No. OSD
Function
Range
Initial
Default
FIX/ADJ
25
HTL-VOL
Max Hotel Volume
0...63
30
30
FIX
26
HTL-PRG
Hotel Program number
0...99 or > 99 for none
255
255
FIX
27
RGB
OSD RGB Reference
0...15
15
0
FIX
28
SEARCH-SYS
Sound system for auto turning
0(L-BG),1(BG),2(I),3(DK)
1
2
FIX
29
CUT-R
Black Level off-set R [BLR]
0...63
0
0
FIX
30
CUT-G
Black Level off-set G [BLB]
0...63
0
10
FIX
31
CDL
Cathode Drive Level [CL]
0...15
0
5
FIX
32
DL-PT
Y-Delay time for PAL (TV) [YD]
0...15
12
4
FIX
33
DL-ST
Y-Delay time for SECAM (TV) [YD]
0...15
15
8
FIX
34
DL-4T
Y-Delay time for N443 (TV) [YD]
0...15
12
8
FIX
35
COL-OP
COLOUR OFFSET (PAL)
0...15
8
8
FIX
36
COL-OS
COLOUR OFFSET (SECAM)
0...15
8
8
FIX
37
COL-O4
COLOUR OFFSET (NTSC443)
0...15
4
4
FIX
38
SHP-OP
SHARPNESS OFFSET(PAL)
0...15
8
8
FIX
39
SHP-OS
SHARPNESS OFFSET(SECAM)
0...15
4
4
FIX
40
SHP-O4
SHARPNESS OFFSET(NTSC443)
0...15
8
8
FIX
41
SC-VOL
SCART volume
0..255
115
109
FIX
42
PRE-SC
Prescaler SCART input
0..127
25
25
FIX
43
PRE-FM
Prescaler FM/AM
0..127
72
72
FIX
44
PRE-NICAM
Prescaler SCART input
0..127
0
90
FIX
45
AVC-DKY
AVC Decay
0...3 data(1.2.4.8.)
2
1
FIX
46
AC-OFF-TIM
Time to set the AC-OFF
0..15
0
0
FIX
timer is in steps of 10minutes
47
DISP
Language or symbols
0(symboles),
0
1
FIX
1(English),
2(French)
2(French)
48
TXT-EUR
Teletext pan-European language
0 (teletext pan-european language)
0
0
FIX
1 (second language;cyrillic)
2(third language;Greek)
2(third language;Greek)
49
BKS
Black Stretch
0 (disable) or 1 (enable)
1
1
FIX
50
AVC
Automatic Volume Control(AVL)
0 (disable) or 1 (enable)
0
1
FIX
51
FFI
Fast Filter IF-PLL
0 (disable) or 1 (enable)
0
0
FIX
52
ACL
Auto Colour Limit
0 (disable) or 1 (enable)
0
1
FIX
53
S-L
Sound system L
0 (disable) or 1 (enable)
0
0
FIX
54
S-DK
Sound system DK
0 (disable) or 1 (enable)
1
0
FIX
55
S-I
Sound system I
0 (disable) or 1 (enable)
1
1
FIX
56
S-BG
Sound system BG
0 (disable) or 1 (enable)
1
0
FIX
57
BLUE-BACK
Video mute at Ident loss
0 (disable) or 1 (enable)
1
1
FIX
58
VMC
Video Mute at program/source Change
0 (disable) or 1 (enable)
1
1
FIX
59
HTL
Hotel mode
0 (disable) or 1 (enable)
0
0
FIX
60
BTSC
Reduced FM demodulator Gain (for BTSC sig)
0 (disable) or 1 (enable)
0
0
FIX
61
AV
Number of external AV sources
0 for 1 AV or 1 for 2 AV
1
0
FIX
62
FMWS
FM Window Selection
0 (disable) or 1 (enable)
0
0
FIX
63
SM0
Sound Mute bit 0
0 (disable) or 1 (enable)
1
1
FIX
64
SM1
Sound Mute bit 1
0 (disable) or 1 (enable)
0
0
FIX
65
AGC0
IF AGC speed bit0
0 (disable) or 1 (enable)
1
1
FIX
66
AGC1
IF AGC speed bit1
0 (disable) or 1 (enable)
0
0
FIX
67
FOA-FE
Phi 1 time constant for FE(RF)
0 (disable) or 1 (enable)
0
0
FIX
68
FOB-FE
Phi 2 time constant for FE(RF)
0 (disable) or 1 (enable)
0
0
FIX
69
FOA-AV
Phi 1 time constant for AV
0 (disable) or 1 (enable)
1
1
FIX
70
FOB-AV
Phi 2 time constant for AV
0 (disable) or 1 (enable)
1
1
FIX
71
TXT
Teletext
0 (disable) or 1 (enable)
0
1
FIX
72
TXT-WE
Teletext Western or Eastern characters
0 (westem) or 1 (eastem)
0
0
FIX
73
FSL
Forced V-SYNC slicing level
0 (disable) or 1 (enable)
0
0
FIX
74
HP2
Sync of OSD
0 for Ph1 or 1 for Ph2
0
0
FIX
75
CP
Charge pump
0 (fast tuning) or
0
0
FIX
1 (moderate speed tuning)
76
NICAM
NICAM decoding enabled
0 (disable) or 1 (enable)
0
1
FIX
77
IGR
IGR decoding enabled
0 (disable) or 1 (enable)
0
0
FIX
78
AUTO
Start auto tuning at POWER-ON
0 (disable) or 1 (enable)
0
0
FIX
79
TXT-TGL
Function of TXT key
0 or 1
0
0
FIX
80
EVG
Enable Vertical Guard
0 (disable) or 1 (enable)
1
1
FIX
Click on the first or last page to see other 21HS-50 (serv.man8) service manuals if exist.