Sharp XL-UH250 Support Question
Sharp XL-UH250 Support Question
Find answers below for this question about Sharp XL-UH250.Need a Sharp XL-UH250 manual? We have 1 online manual for this item!
Question posted by pkirouac on June 19th, 2021
How Do I Reset Speaker Abnormal R B Protection On A Xl-uh250.
I chek the fuses and they are good. I read page 2-4 about Speaker abnormal detection and +B protection display but I can't find what to do.Thank you.
Current Answers
Answer #1: Posted by Technoprince123 on June 19th, 2021 9:21 AM
Technoprince123
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February 8th, 2021 Points: 1,205,190
Member since:
February 8th, 2021 Points: 1,205,190
Please response if this answer is acceptable and solw your problem thanks
Answer #2: Posted by SonuKumar on June 19th, 2021 11:03 PM
SonuKumar
Member since:
May 9th, 2021 Points: 16,604,800
Member since:
May 9th, 2021 Points: 16,604,800
https://manualzz.com/doc/786017/sharp-xl-uh240-service-manual
How to Reset a Sharp Stereo
Whether you are experiencing technical difficulties with your Sharp stereo or just want to remove your presets and start fresh, your solution lies in performing a master reset. Performing a master reset on your Sharp stereo restores the device to its factory settings. This procedure erases all of the data stored in the stereo's memory, including tuner presets, time, CD programming and timer settings.
Step 1
"Press the "On/Stand-by" button to put the stereo in stand-by mode.
Step 2
Press and hold the "Open/Close" button
Step 3
Press and hold the "Stop" button while continuing to hold the "Open/Close" button.
Step 4
Press the "CD" button while continuing to hold the "Stop" and "Open/Close" buttons until the Sharp stereo displays "CLEAR ALL" on its LCD screen.
Release all held buttons to reset the stereo to its factory defaults.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Related Sharp XL-UH250 Manual Pages
Service Manual - Page 1
... should be restored to its original condition and only parts identical to change without notice. S2709XLUH250/
MICRO COMPONENT SYSTEM
USB
VIDEO /AUX USB
XL-UH250
MODEL XL-UH250
XL-UH250 Micro Component System consisting of XL-UH250 (main unit) and CP-UH250 (speaker system).
• In the interests of the set .
" are subject to those specified be used . CIRCUIT DESCRIPTION...
Service Manual - Page 2
... the bit from the PWB as soon as it .
Description
PWB-A
92LPWB6656MANS MAIN (A1), POWER (A2), SPEAKER (A3), RE-FLASH MICOM (A4)
PWB-B
92LPWB6656DPLS DISPLAY (B1), USB (B2), JACK (B3), LED (B4), SUB (B5)
PWB-C
92LPWB6663CDUS CD MP3
PWB-D...Lead-free solder contains more tin, and the end of time. XL-UH250
AXSMEPeRuLardE-vMrMkiiCocePAPet1U1M55T00aIOnuNaSl FOR USING LEAD-FREE SOLDER
1.
Service Manual - Page 3
...UNE LONGUE PROTECTION CONTRE UN INCENDIE, REMPLACER SEULEMENT PAR UN FUSIBLE DE TYPE F801 , F802, ,F805 4A, 125V/ F803 ,F804 2A, 125V FUSES.
[2]...Speakers: 6 ohms Headphones: 16 - 50 ohms (recommended: 32 ohms) Subwoofer pre-out (audio signal): 200 mV/10 k ohms at 70 Hz
Video/Auxiliary (audio... GENERAL DESCRIPTION
XL-UH250
[1] Important Service Safety Precaution
CAUTION : "These servicing instructions...
Service Manual - Page 4
... Indicator 16. CD Button 8. Speaker Terminals 2. FM 75 Ohms Antenna Jack 4. Timer Indicator 3. WMA Indicator 6. Sleep Indicator 7. FM Stereo Receiving Indicator 12. Woofer
3. Remote Sensor 4. Speaker Wire
1
3
2
4
1 - 24 MP3/WMA Folder Indicator 3. Timer Play Indicator 8. Disc Number Indicators 2. XL-UH250 [3] Names Of Parts
XL-UH250
Front panel
1.
Service Manual - Page 5
...Button
14 10
19
10. USB Stop Button
15. Tuning Up Button
24 25
21. Power On/Stand-by Button
18
8. Display Button
25. CD Button
9. Disc Play or Repeat Button
18. CD Track Up or Fast Forward, Tuner Preset Up,
4
... Down Button
24. CD Track Down or Fast Reverse, Tuner Preset Down,
5
Time Down Button
6
23. XL-UH250
Remote control
1
1. Clock/Timer Button
1 - 35
Service Manual - Page 6
...
1. Therefore, playback of 'ER-CD**'. 'ER-CD**' display will be combined freely. Can't detect TRAY switch when TRAY is changed, these adjustments are performed automatically. CD SECTION
• Adjustment
Since this CD system incorporates the following automatic adjustment functions, readjustment is moving . XL-UH250
CHAPTER 2. Can't detect CAM switch when CAM is not needed when...
Service Manual - Page 7
CLV Servo ON > key input. Reading Sub-code and Display key input.
Laser ON. > key input. STOP and return to enter the test mode.\
XL-UH250
Step 1 Step 2 Step 3 Step 4 Step 5
CD
TE ST
OPEN/CLOSE operation is using manual. > key input. Focus ON > key input. key input. Tracking Servo ON > ...
Service Manual - Page 8
...
c) Tracking Balance
= TB : XX
d) Tracking Gain
= TG : XX
e) Focus Offset
= FOFF : XX
f) Tracking Offset
= TOFF : XX
g) RFRP
= RFRP : XX
h) Focus Error
(RW Judgement)
= RW : XX - XL-UH250
STOP and return to Step 1
Note
Sliding the PICKUP with , > button can be set / >> for more than RW Judgement) = DA : XX - XXXX
key input.
Service Manual - Page 9
... button to stand-by mode.
2. While pressing down the 3 button and the 4 button, press the number will flashing as "XL H****" and " FW****V**".
3. Speaker abnormal detection and +B PROTECTION display
In case speaker abnormal detection or +B PROTECTION had been detected for transporting.
Press the 4 button until "WAIT"--> "FINISHED" appears. 4. button. Unplug the AC cord and the unit is...
Service Manual - Page 42
...protect the optical pickup from the
wall outlet before disassembling.
4) Take sufficient care on static electricity of the unit. 2) Be sure to remove the power supply plug from electrostatic damage. XL-UH250... PWB 1. Flat Cable D3) X 1
5 Front Panel
1. Hook E4) X 2
6 Main PWB
7 Power PWB 8 Speaker PWB 9 Display PWB
1. Knob J1) X 1
5
2.
Flat Cable E2) X 2
3.
Service Manual - Page 43
Rear Panel
(H1)x2 Ø3x10mm
CD Mechanism
(P2)x4 Special
XL-UH250
Speaker PWB
Figure 4
Display PWB
Front Panel
(J2)x1
CD Changer Unit
(J4)x6 Ø2.6x10mm
SUB PWB USB PWB
(K1)x2 Ø2.6x10mm
Jack PWB (L1)x1 Special
...
Service Manual - Page 62
XL-UH250
[4] Charts Of Connecting Wires
CNS971
TUNER PACK
FFC301
A
ANTENNA
BR
BK
FM
GND
AM
FFC301
B
CNS601 9 8 7 6 5 4 3 2 1
1
11
GY BK GY BK GY BK GY BK BR
1 3 5 7 9 11 13 15 17 2 4 6 8 10 12 14 16
CNP701B
TO DISPLAY...HEAD PHONE
CNS902 4 3 2 1
SPEAKER PWB-A3
1 2 3 4 CNP902
TO CD MOTOR P
E
JK701
JACK PWB-B3
SO901
L-CH L-CH
R-CH
R-CH
SPEAKER TERMINAL
TO CD MP3 PWB-C
CNP6...
Service Manual - Page 64
XL-UH250
[5] Wiring Side Of PWB
SPEAKER PWB-A3
A
SO901 SPEAKER TERMINAL
B
R-CH
L-CH
MAIN PWB-A1
L-CH
R-CH
C
CNP902 1 234
9 876 5432 1
D
1 3 5 7 9 11 13 15 17 2 4 6 8 10 12 14 16
321
E CB
E
12 3
12 3
12 3
F
1 2 3 4 5 6 7 8 9 10 11
G
Lead-free solder indication
Lead-free solder is used in the MAIN, SPEAKER PWB.
H
Refer to "Precautions for...
Service Manual - Page 83
...
TMAX LPFO DMO FDO
Figure 6
XL-UH250
(5) Others.
Or the sound has dropouts. Yes If OK, Check the unit. (4) PLL system check.
The RF waveform is normal and the time is displayed normally, but no sound is normal, but the TOC data cannot be read. Check again using a known good disc.
9 67 IC1
10 66...
Service Manual - Page 84
The waveform and the time is displayed normal, but no sound is produced.
IC3 80
17 79
D +
IC3
Figure 8
12
IC3 88
RXD1
13 87
IC3
14 89
IC3
15 1
IC1
TXD1 USB_REQ RESET
Figure 9
18 71
IC3
19 92
IC3
20 93
IC3
AIN
BCKI LRCKI
Figure 10
7 - 5 XL-UH250
(6) USB system check. Yes...
Service Manual - Page 88
...beam addition signal or RFDC (Hologram PUH RF peak detection signal) signal output pin.
5 FEi
Output 3AI/F...Output 3I/F Audio data output pin -3 (DSP general output port -4).
47 AoUT2(Po5) Output 3I/F Audio data output... down by pin.
37 /RST
Input 3I/F Reset signal input pin.
38 BUS0
Input / Output ...for 1.5V digital circuit.
35 VDDM1
- XL-UH250
IC1 VHITC94A70FG5: CD MP3 DECODER (2/4) Pin ...
Service Manual - Page 92
Prc
Drive
+ - Prc
Drive
+ -
Out puts
+ -
Prc
Drive
+ -
Peak Current Protection, Thermal Protection,
Load Short Protection.
Prc
Drive
5 MODE 1
Referenc e Voltag e
23
R EG 3 VC C 13V
4 G ND
1
REG4 5.1V
7
REG1 8.5V
Figure 8-4 BLOCK DIAGRAM OF IC
6
REG2 10.0 V
8 - 8 XL-UH250
IC851 VHIAN80T53/-1: MULTI REGULATOR (AN80T53)
Pin Terminal Name
Function
No.
1 REG4 ...
Service Manual - Page 95
... MECHANISM / CD MECHANISM PARTS
[11] CABINET PARTS
[12] SPEAKER BOX PARTS
[13] ACCESSORIES
[14] P.W.B. Be sure to be used for maintaining the safety of XL-UH250 (main unit) and CP-UH250 (speaker system). The contents are important for after sales service only.
XL-UH250
PARTS GUIDE
MICRO COMPONENT SYSTEM
MODEL XL-UH250
XL-UH250 Micro Component System consisting of the set .
Service Manual - Page 104
...Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder
Fuse Holder FL Display Flat Wire, 5 Pin Socket, VIDEO / AUX IN Headphone Jack USB Jack Socket, Sub Woofer Pre Out Lug Terminal Lug Terminal Lug Terminal Lug Terminal Lug Wire Relay,Power
Relay Remote Sensor Speaker... 92LFSHOLD1652T
AB
!
XL-UH250
NO.
FH804 92LFSHOLD1652T
AB
!
Service Manual - Page 111
... CODE
PRICE NEW PART RANK MARK RANK
DESCRIPTION
[12] SPEAKER BOX PARTS
901 GBOXSA156AW01
BK
902 CWAKPA010AW05
AS
903 GITASA172AWSA
...Main A1 / Power A2 / Speaker A3 / Re-Flash A4 Display B1 / USB B2 / Jack B3 / LED B4 / Sub B5 CD MP3 CD Changer Motor (PWB Only)
[15] OTHER SERVICE PARTS
UDSKA0004AFZZ
AZ
CD Optical Pickup Lens Cleaner Disc
XL-UH250
16
ASSEMBLY ( Not Replacement Item ...
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