Sharp XL-HP404 (serv.man13) Service Manual ▷ View online
XL-HP404E/HP404H
1 – 4
Front panel
1. Disc Trays
2. Timer Indicator
3. On/Stand-by Button
4. Clock/Timer Button
5. CD Track Down or Fast Reverse, Tape Fast Wind,
2. Timer Indicator
3. On/Stand-by Button
4. Clock/Timer Button
5. CD Track Down or Fast Reverse, Tape Fast Wind,
Tuner Preset Down, Time Down Button
6. Tape Reverse Play Button
7. Tape Reverse Mode Select Button
8. Cassette Compartment
9. Headphone Socket
7. Tape Reverse Mode Select Button
8. Cassette Compartment
9. Headphone Socket
10. Disc Tray Open/Close Button
11. Disc Number Select Buttons
12. CD Direct Play Button
13. Illumination Light
14. Volume Control
15. CD Track Up or Fast Forward, Tape Fast Wind,
11. Disc Number Select Buttons
12. CD Direct Play Button
13. Illumination Light
14. Volume Control
15. CD Track Up or Fast Forward, Tape Fast Wind,
Tuner Preset Up, Time Up Button
16. Memory/Set Button
17. Equaliser Mode Select Button
18. Extra Bass/Demo Mode Button
19. CD Play or Repeat, Tape Forward Play Button
20. CD or Tape Stop Button
21. RDS ASPM (Auto Station Programme Memory) Button
22. RDS Programme Type/
17. Equaliser Mode Select Button
18. Extra Bass/Demo Mode Button
19. CD Play or Repeat, Tape Forward Play Button
20. CD or Tape Stop Button
21. RDS ASPM (Auto Station Programme Memory) Button
22. RDS Programme Type/
Traffic Information Search Button
23. RDS Display Mode Select Button
24. CD Button
25. Tuner (Band) Button
26. Tape Button
27. Video/Auxiliary Button
28. Tape Record Pause Button
29. Tuning Up Button
30. Tuning Down Button
24. CD Button
25. Tuner (Band) Button
26. Tape Button
27. Video/Auxiliary Button
28. Tape Record Pause Button
29. Tuning Up Button
30. Tuning Down Button
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Illustration XL-HP404H
■ Display
1. Disc Number Indicators
2. CD Play Indicator
3. CD Pause Indicator
4. Memory Indicator
5. CD Repeat Play Indicator
6. CD Indicator
7. Extra Bass Indicator
8. RDS Indicator
9. Traffic Announcement Indicator
2. CD Play Indicator
3. CD Pause Indicator
4. Memory Indicator
5. CD Repeat Play Indicator
6. CD Indicator
7. Extra Bass Indicator
8. RDS Indicator
9. Traffic Announcement Indicator
10. Dynamic PTY Indicator
11. Traffic Programme Indicator
12. Tape Record Indicator
13. Sleep Indicator
14. Timer Play Indicator
15. Timer Recording Indicator
16. Tape Reverse Play Indicator
17. Tape Forward Play Indicator
18. Tape Reverse Mode Indicator
19. FM Stereo Mode Indicator
20. Daily Timer Indicator
21. FM Stereo Receiving Indicator
11. Traffic Programme Indicator
12. Tape Record Indicator
13. Sleep Indicator
14. Timer Play Indicator
15. Timer Recording Indicator
16. Tape Reverse Play Indicator
17. Tape Forward Play Indicator
18. Tape Reverse Mode Indicator
19. FM Stereo Mode Indicator
20. Daily Timer Indicator
21. FM Stereo Receiving Indicator
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2
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Illustration XL-HP404H
XL-HP404E/HP404H
1 – 5
Rear panel
1. Cooling Fan
2. Speaker Terminals
3. AC Power Lead
4. FM 75 Ohms Aerial Socket
5. AM Loop Aerial Socket
6. Video/Auxiliary (Audio Signal) Input Sockets
7. Subwoofer Pre-output Socket
2. Speaker Terminals
3. AC Power Lead
4. FM 75 Ohms Aerial Socket
5. AM Loop Aerial Socket
6. Video/Auxiliary (Audio Signal) Input Sockets
7. Subwoofer Pre-output Socket
Speaker system
1. Tweeter
2. Woofer
3. Bass Reflex Duct
4. Speaker Wire
2. Woofer
3. Bass Reflex Duct
4. Speaker Wire
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3
4
2
1
7
3
2
4
6
5
■
■
Illustration XL-HP404H
Remote control
1. Remote Control Transmitter
2. Disc Number Select Buttons
3. CD Track Down or Fast Reverse, Tape Fast Wind,
2. Disc Number Select Buttons
3. CD Track Down or Fast Reverse, Tape Fast Wind,
Tuner Preset Down, Time Down Button
4. Volume Up and Down Buttons
5. Disc Direct Search Buttons
6. Equaliser Mode Select Button
7. Extra Bass Button
8. On/Stand-by Button
9. CD Button
5. Disc Direct Search Buttons
6. Equaliser Mode Select Button
7. Extra Bass Button
8. On/Stand-by Button
9. CD Button
10. Tuner (Band) Button
11. Tape Button
12. Video/Auxiliary Button
13. CD Track Up or Fast Forward, Tape Fast Wind,
11. Tape Button
12. Video/Auxiliary Button
13. CD Track Up or Fast Forward, Tape Fast Wind,
Tuner Preset Up, Time Up Button
14. Clock/Timer Button
15. CD Random Button
16. CD Clear/Dimmer Button
17. CD Stop Button
18. Tape Reverse Play Button
19. Tape Stop Button
20. Memory/Set Button
21. CD Pause Button
22. CD Play or Repeat Button
23. Tape Forward Play Button
24. Tape Record Pause Button
15. CD Random Button
16. CD Clear/Dimmer Button
17. CD Stop Button
18. Tape Reverse Play Button
19. Tape Stop Button
20. Memory/Set Button
21. CD Pause Button
22. CD Play or Repeat Button
23. Tape Forward Play Button
24. Tape Record Pause Button
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XL-HP404E/HP404H
2 – 1
Audio
XL-HP404E/HP404H
Service Manual
XL-HP404H
Market
E
CHAPTER 2.
ADJUSTMENTS
[1] ADJUSTMENT
1. MECHANISM SECTION
• Driving Force Check
• Torque Check
2. TUNER SECTION
fL: Low-range frequency
fH: High-range frequency
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Notes:
1. Description of the "FM IF Adjustment" is not carried on this Manual.
It is because the IF coil in the FM front end section has been best
adjusted in the factory so that its further adjustment is not needed
at the field. When replacing the FM front end assembly, no adjust-
ment is needed either.
adjusted in the factory so that its further adjustment is not needed
at the field. When replacing the FM front end assembly, no adjust-
ment is needed either.
2. The parts in the FM front end section are prepared in a complete
unit, so you can't obtain each part individually.
• Tape Speed
3. CD SECTION
•
Adjustment
Since this CD system incorporates the following automatic adjust-
ment functions, readjustment is not needed when replacing the
pickup. Therefore, different PWBs and pickups can be combined
freely.
ment functions, readjustment is not needed when replacing the
pickup. Therefore, different PWBs and pickups can be combined
freely.
Each time a disc is changed, these adjustments are performed
automatically. Therefore, playback of each disc can be performed
under optimum conditions.
automatically. Therefore, playback of each disc can be performed
under optimum conditions.
Items adjusted automatically
1) Offset adjustment (The offset voltage between the head amplifier
output and the VREF reference voltage is compensated inside the
IC.)
IC.)
*
Focus offset adjustment
*
Tracking offset adjustment
2) Tracking balance adjustment
3) Gain adjustment (The gain is compensated inside the IC so that the
loop gain at the gain crossover frequency will be 0 dB.)
*
Focus gain adjustment
*
Tracking gain adjustment
4. CD ERROR CODE DESCRIPTION
*
'CHECKING'
If Error is detected, 'CHECKING' will be displayed instead of 'ER-
CD**'. 'ER-CD**' display will only be displayed when error had been
detected for the 5th times.
CD**'. 'ER-CD**' display will only be displayed when error had been
detected for the 5th times.
Torque Meter
Specified Value
Play: TW-2111
Over 80 g
Torque Meter
Specified Value
Play: TW-2111
30 to 80 g.cm
Fast forward: TW-2231
70 to 180 g.cm
Rewind: TW-2231
70 to 180 g.cm
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
AM IF
450 kHz
1,620 kHz
T351
*1
AM Band
Coverage
Coverage
—
522 kHz
(fL): T306
1.1 ± 0.1 V
1.1 ± 0.1 V
*2
AM Tracking
990 kHz
990 kHz
(fL): T303
*1
*1. Input: Antenna
Output: TP302
*2. Input: Antenna
Output: TP301
Figure 2 ADJUSTMENT POINTS
AM
LOOP
ANTENNA
IC302
T351
IC303
L354
T303
T306
CNP302
SO301
FE301
TP302
TP301
AM TRACKING fL
AM BAND
COVERAGE fL
AM IF
ANTENNA
TERMINAL
TUNER PWB-C
20
R357
R356
C393
Test Tape
Adjusting
Point
Specified
Value
Instrument
Connection
Normal
speed
speed
MTT-111
Variable
Resistor in
motor.
Resistor in
motor.
3,000 ± 30 Hz
Speaker Ter-
minal (Load
resistance: 6
ohms)
minal (Load
resistance: 6
ohms)
Figure 1
Error
Explanation
01
When Pickup set inner position, inner switch cannot detect
'ON' level for 10 secs.
'ON' level for 10 secs.
10*
CAM error. Can't detect CAM switch when CAM is moving.
11*
When it detect cam operation error during initialize process.
20*
TRAY error. Can't detect TRAY switch when TRAY is mov-
ing.
ing.
21*
When it detect TRAY operation error during initialize pro-
cess.
cess.
22*
When it detect invalid TRAY switch during normal operation.
31
When it change to CD function, DSP cannot read initial data.
TAPE MECHANISM
Tape
Motor
Variable Resistor in motor
XL-HP404E/HP404H
2 – 2
[2] TEST MODE
• Setting the test mode
During stand-by mode, press ON/STAND-BY button while pressing
down the
button and X-BASS/DEMO button. then, press the CD
button to enter the test mode.
IL isn’t done
OPEN/CLOSE operation is using manual.
IL isn’t done
<<
>>,<<
>>buttons make pick's slide possible.
IL isn’t done
to page 2-3
<<PLAY>> key input.
C D
T E S T
A
Do TOC IL. Do normal play.
When these following key is input into PLAY key, track num-
ber can be appoint directly.
When these following key is input into PLAY key, track num-
ber can be appoint directly.
<<MEMORY>>
key input.
key input.
<<
1>> key: Track 4
<<
2>> key: Track 9
<<
3>> key: Track 15
Adjustment result automatically will
display as below for each 2 sec:
a) "FOF_XXXX"
b) "TOF_XXXX"
c) "TBAL_XX"
d) "TGAN_XX"
f) "FGAN_XX"
g) "RFLS_XX"
display as below for each 2 sec:
a) "FOF_XXXX"
b) "TOF_XXXX"
c) "TBAL_XX"
d) "TGAN_XX"
f) "FGAN_XX"
g) "RFLS_XX"
––––––––
<<STOP>> key input.
STOP
explanation:
a) Focus off set
a) Focus off set
= "FOF_XXXX"
b)Tracking off set
= "TOF_XXXX"
c)Tracking balance
= "TBAL_XX"
d)Tracking Gain
= "TGAN_XX"
f) Focus Gain
= "FGAN_XX"
g) RF level shift
= "RFLS_XX"
VOL — Last memory
P.GEQ — FLAT
X-BASS — OFF
To cancel : Power OFF
P.GEQ — FLAT
X-BASS — OFF
To cancel : Power OFF
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