Sharp 15FS-25H (serv.man3) Service Manual ▷ View online
5
15JF-25H
CONTROLS & TERMINALS
Remote Control
TV Front
Euro-SCART, 21 Pin Terminal
Power ( ) button
Power/On Timer indicator
Remote Control Sensor
Menu button
Earphone Jack
3.5 mm ø Jack PLUG
Earphone impedance
16 ~ 600 ohm
3.5 mm ø Jack PLUG
Earphone impedance
16 ~ 600 ohm
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
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
16. Red/Green/Blue
16. Red/Green/Blue
control
17. Earth for video
18. Earth for video
19. VIDEO output
19. VIDEO output
20. VIDEO input
21. Common earth
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.
15JF-25H
6
SERVICE ADJUSTMENTS
•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 Figure 1.
4. Continue pressing the volume down and channel up buttons while turning
the mains on using the mains switch. See Figure 1.
the mains on using the mains switch. See Figure 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 Figure 2.
To move between the various Service Mode functions, use the channel up and down buttons. See Figure 3.
Use the volume buttons to change the data to the desired value. See Figure 3.
The data will be stored automatically when exiting the Service Mode. To exit the Service Mode press the stand-by 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.
•How to record a new (blank) NVM (EEP-ROM)
When the NVM (EEP-ROM) is replaced for a new one, the Microprocessor automatically record values shown in
“Initial” column (Page 7).
“Initial” column (Page 7).
Procedure:
1. Access the Service Mode. See the above procedure “How to access the Service Mode”. Now the Microprocessor
has recorded the “Initial” Values.
has recorded the “Initial” Values.
4
3
XXXX:
Adjustment
(Yellow)
(Yellow)
Value
(Green)
(Green)
Figure 2
SHARP X X VXX.XX
STS0: XXXX XXXX
STS1: XXXX XXXX
STS2: XXXX XXXX
STS1: XXXX XXXX
STS2: XXXX XXXX
XX:
Figure 3
Figure 1
7
15JF-25H
2. Change manually the value of those NVM position pointed out in grey shadow from the “Initial” Value to “Default”
Value (Page 7) .
Value (Page 7) .
3. Adjust the TV set as detailed in the following pages ( Screen, AGC, Geometry and Colour Adjustments).
• 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.
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 value recorded 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
No. OSD
Function
Range
Initial
Default
FIX/ADJ
1
AGC
AGC Take Over Point
0...63
14
34
ADJ
2
V-LIN
Vertical Slope [VS]
0...63
32
33
ADJ
3
V-AMP
Vertical Amplitude [VA]
0...63
32
27
ADJ
4
V-CENT
Vertical Shift [VSH]
0...63
32
32
ADJ
5
H-CENT
Horizontal shift [HS]
0...63
32
24
ADJ
6
H-CENT60
offset to H-CENT for 60 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
52
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
33
FIX
23 TINT
Sub Tint
0...63
32
32
FIX
24 SUB-SHP
Sub Sharpness
0...63
32
11
FIX
15JF-25H
8
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 [BLG]
0...63
0
10
FIX
31 CDL
Cathode Drive Level [CL]
0...15
0
3
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
0...3 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 10 minutes
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
0
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 (western) or 1 (eastern)
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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