Sharp 21HT-15 (serv.man8) Service Manual ▷ View online
5
21HT-15H
MENU
CH
Power ( ) button
Power/On Timer indicator
Remote Control Sensor
Menu button
Volume Up ( )/Down ( ) buttons
Channel Up ( )/Down ( ) buttons
1
2
3
4
5
6
7
8
9
0
LIST
MENU
?
X
i
S
I
TV/VIDEO
TV/TEXT REMOTE CONTROL
CH
CH
X
?
i
S
I
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
SOUND MUTE ( ) button
POWER/STANDBY ( ) button
Programme Select buttons
REVEAL ( ) button (Teletext)
HALF PAGE ( ) button (Teletext)
CLOCK ( ) button (Teletext)
VOLUME UP ( )/DOWN ( ) button
( ) 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/Picture ( )
Select button (Teletext)
Select button (Teletext)
COLOUR buttons
LIST Select button (Teletext)
25
INDEX ( ) button (Teletext)
HOLD ( ) button (Teletext)
STORE ( ) button (Teletext)
CHANNEL (PROGRAMME) UP ( )/
DOWN ( ) button
DOWN ( ) button
( ) 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)
6
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: Mono Input/Output.
21-Pin Euro-
15. Red input 18. Earth for video
16. Red/Green/Blue 19. VIDEO output
16. Red/Green/Blue 19. VIDEO output
control 20. VIDEO input
17. Earth for video 21. Common earth
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.
6
21HT-15H
SERVICE ADJUSTMENT
XXXX:
Adjustment
Value
Fig. 3
Fig. 2
SHARP 5 1 V01.30
STS0: XXXX XXXX
STS1: XXXX XXXX
STS2: XXXX XXXX
STS1: XXXX XXXX
STS2: XXXX XXXX
•
SERVICE MODE FUNCTION
All required adjustments for servicing this TV set, may be done in “service mode”, excepting G2 and FOCUS.
How to access “Service Mode”
1. Plug in the TV set to main.
2. Connect a test pattern to the antenna terminal.
3. Tune the receiver to this signal.
4. Turn the receiver off using the mains switch (
).
5. Press the volume down and channel up buttons on the front of the receiver at the same time
(
∨
and CH
∧
). See Fig.1.
6. Keeping these buttons pressed, turn the mains on (
). See Fig.1.
7.
When the set is on «SHARP5 1 V01.30» will appear on screen. The TV set is now in “service mode”.
See Fig.2
.
8. Release the two buttons.
•
Use the channel up and down buttons (
CH
/
CH
) to move between the options. See Fig.3.
•
Use the volume control buttons (
/
) to change the data. See Fig.3.
•
The data is stored automatically when out of service mode by pressing the power key on the remote control
or the mains switch.
6
5
CH
MENU
Fig.1
XX:
7
21HT-15H
SERVICE MODE ADJUSTMENT LIST
In the below table there are details about all the adjustments that can be carried out into service mode.
•
No: Adjust number. Sequential from 1 to 80.
•
OSD: On Screen Display indication.
•
Function: Short adjustment description.
•
Range: Decimal range of values in which the adjustment may be modified.
•
Initial: This is the value that is recorded automatically when the EEPROM (NVM) is replaced.
NOTE: Some of these values must be modified with the value shown in the Default column. They
are pointed out in shaded tone.
are pointed out in shaded tone.
Example:
Adjust no. 9, S-COR (S-Correction):
Initial value (the one recorded automatically after replacing the EEPROM ... 0
Default value (to modify manually for this model) ........................................ 22
•
FIX / ADJ (Fixed value / necessary to be adjusted).
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
25
HTL-VOL
Max Hotel Volume
0...63
30
30
FIX
8
21HT-15H
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
28
SEARCH-SYS
Sound system for auto turning
0(L-BG),1(BG),2(I),3(DK)
1
2
FIX
29
CUT-G
Black Level off-set R [BLR]
0...63
0
0
FIX
30
CUT-B
Black Level off-set B [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
115
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
0
FIX
45
AVC-DKY
AVC Decay
1...4 data(1.2.4.8.)
2
2
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
0
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
1
FIX
80
EVG
Enable Vertical Guard
0 (disable) or 1 (enable)
1
1
FIX
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