HT-CN300H (serv.man4) - Sharp Audio Service Manual (repair manual)

ht-cn300h (serv.man4) service manual
Model
HT-CN300H (serv.man4)
Pages
60
Size
2.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / Home Theatre
File
ht-cn300h-sm4.pdf
Date

Read Sharp HT-CN300H (serv.man4) Service Manual online

HT-CN300H
No. S8276HTCN300H
 CONTENTS
Page
IMPORTANT SERVICE NOTES (FOR U.K. ONLY) ..........................................................................................................  2
SPECIFICATIONS .............................................................................................................................................................  3
NAMES OF PARTS ...........................................................................................................................................................  4
DISASSEMBLY ..................................................................................................................................................................  6
ADJUSTMENT ...................................................................................................................................................................  8
NOTES ON SCHEMATIC DIAGRAM ................................................................................................................................  9
TYPES OF TRANSISTOR AND LED .................................................................................................................................  9
BLOCK DIAGRAM ...........................................................................................................................................................  10
SCHEMATIC DIAGRAM ..................................................................................................................................................  14
VOLTAGE ........................................................................................................................................................................  31
WIRING SIDE OF P.W.BOARD .......................................................................................................................................  32
FUNCTION TABLE OF IC ................................................................................................................................................  38
FL DISPLAY .....................................................................................................................................................................  44
WIRING OF PRIMARILY SUPPLY LEADS (FOR U.K. ONLY) ........................................................................................ 45
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
SERVICE MANUAL
SHARP CORPORATION
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
HOME CINEMA COMMAND
MODEL   
HT-CN300H(S)
HT-CN300H Home Cinema Command consisting of HT-CN300H
(main unit), CP-CN300HF (front speakers), CP-CN300HC (center
speaker) and CP-CN300HR (surround speakers).
HT-CN300H
– 2 –
Before returning the unit to the customer after completion of a
repair or adjustment it is necessary for the following withstand
voltage test to be applied to ensure the unit is safe for the
customer to use.
Setting of Withstanding Voltage Tester and set.
Set name
set value
Withstanding Voltage Tester
Test voltage
4,240 VPEAK
3,000 VRMS
Set time
6 secs
Set current (Cutoff current)
4 mA
Unit
Judgment
OK: The “GOOD” lamp lights.
NG: The “NG” lamp lights and the buzzer sounds.
IMPORTANT SERVICE NOTES (FOR U.K. ONLY)
PROBE
AC
OUT
UNIT
SHORT-CIRCUIT
AC POWER
SUPPLY CORD
CONNECT THE PROBE
TO GND OF CHASSIS
SCREW
WITHSTANDING
VOLTAGE TESTER
– 3 –
HT-CN300H
Amplifier
Tuner
Output power
(2 ch)
Front speakers:
RMS: 60 W (30 W + 30 W) (DIN 45 324)
Subwoofer:
RMS: 30 W (DIN 45 324)
(Surround)
PMPO: 720 W
Front speakers:
MPO: 120 W (60 W + 60 W) (DIN 45 324)
RMS: 60 W (30 W + 30 W) (DIN 45 324)
Centre speaker:
MPO: 60 W (DIN 45 324)
RMS: 30 W (DIN 45 324)
Surround speakers:
MPO: 120 W (60 W + 60 W) (DIN 45 324)
RMS: 60 W (30 W + 30 W) (DIN 45 324)
Subwoofer:
MPO: 60 W (DIN 45 324)
RMS: 30 W (DIN 45 324)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type
Full Range Speaker System (Magnetic shield)
80 mm (3-1/8") Speaker
Maximum input power 60 W
Rated input power
30 W
Impedance
6 ohms
Dimensions
Width: 104 mm (4-1/8")
Height: 110 mm (4-3/8")
Depth: 123 mm (4-7/8")
Weight
0.8 kg (1.8 lbs.)/each
Type
Subwoofer System (Magnetic shield)
160 mm (6-1/4") Woofer
Maximum input power 60 W
Rated input power
30 W
Impedance
6 ohms
Amplifier
Tuner
Output power
(2 ch)
Front speakers:
RMS: 60 W (30 W + 30 W) (10 % T.H.D., 1 kHz)
Subwoofer:
RMS: 30 W (10 % T.H.D., 100 Hz)
(Surround)
Front speakers:
RMS: 60 W (30 W + 30 W) (10 % T.H.D., 1 kHz)
Centre speaker:
RMS: 30 W (10 % T.H.D., 1 kHz)
Surround speakers:
RMS: 60 W (30 W + 30 W) (10 % T.H.D., 1 kHz)
Subwoofer:
RMS: 30 W (10 % T.H.D., 100 Hz)
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Type
Full Range Speaker System (Magnetic shield)
80 mm (3-1/8") Speaker
Maximum input power 60 W
Rated input power
30 W
Impedance
6 ohms
Dimensions
Width: 104 mm (4-1/8") 
Height: 110 mm (4-3/8") 
Depth: 123 mm (4-7/8")
Weight
0.8 kg (1.8 lbs.)/each
Type
Subwoofer System (Magnetic shield)
160 mm (6-1/4") Woofer
Maximum input power 60 W
Rated input power
30 W
Impedance
6 ohms
General
Power source
AC 230 V, 50 Hz
Power consumption
Power on: 195 W
Power stand-by: 0.5 W (*)
Dimensions
Width: 230 mm (9-1/8") 
Height: 377 mm (14-7/8") 
Depth: 400 mm (15-3/4")
Weight
11.5 kg (25.4 lbs.)
Terminals
Front speakers, Centre speaker and Surround speakers:  
6 ohms
Monitor output: S-video/video
Video output (Video 1): RCA type
Audio output (Video 1): RCA type (L/R)
Video input (Video 1): RCA type
Audio input (Video 1): RCA type (L/R)
Audio input (Auxiliary): RCA type (L/R)
Video input (Video 2): RCA type
S-video input (DVD): S-terminal
Video input (DVD): RCA type
Audio input (Video 2): RCA type (L/R)
Digital input (DVD): Optical
Digital input (DVD): Coaxial
( * )
This power consumption value is obtained when the demonstration mode is 
cancelled in the power stand-by mode.
General
Power source
AC 230 V, 50 Hz
Power consumption
Power on: 195 W
Power stand-by: 0.5 W (*)
Dimensions
Width: 230 mm (9-1/8")
Height: 377 mm (14-7/8")
Depth: 400 mm (15-3/4")
Weight
11.5 kg (25.4 lbs.)
Terminals
Front speakers, Centre speaker and Surround speakers: 
6 ohms
Monitor output: S-video/video
Video output (Video 1): RCA type
Audio output (Video 1): RCA type (L/R)
Video input (Video 1): RCA type
Audio input (Video 1): RCA type (L/R)
Audio input (Auxiliary): RCA type (L/R)
Video input (Video 2): RCA type
S-video input (DVD): S-terminal
Video input (DVD): RCA type
Audio input (Video 2): RCA type (L/R)
Digital input (DVD): Optical
Digital input (DVD): Coaxial
( * )
This power consumption value is obtained when the demonstration mode is 
cancelled in the power stand-by mode.
SPECIFICATIONS
HT-CN300H (For U.K.)
CP-CN300HF/CP-CN300HC/CP-CN300HR (Except for U.K.)
Specifications for this model are subject to change without
prior notice.
Subwoofer (Except for U.K.)
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
HT-CN300H (Except for U.K.)
CP-CN300HF/CP-CN300HC/CP-CN300HR (For U.K.)
Subwoofer (For U.K.)
HT-CN300H
– 4 –
NAMES OF PARTS
HT-CN300H
Remote control
1. On/Stand-by Button
2. Operation Buttons for Other Equipment
3. Remote Control Transmitter
4. Sound Mode Select Buttons
5. Dynamic Sound Select Button
6. Remote Control Sensor for Learn Function
7. Speaker Set Up Button
8. Clear Button
9. Learn Indicators
10. Volume Up and Down Buttons
11. RDS Programme Type/
      Traffic Information Search Button
12. DVD Button
13. Video-1 Button
14. RDS ASPM 
      (Auto Station Programme Memory) Button
15. Tuner/Band Button
16. Video-2/Auxiliary Button
17. Memory 1/2 Buttons for Other Equipment
18. Label Sealing Area
19. Clock Button
20. Memory Button
21. Timer/Sleep Button
22. TV Screen Display/
      RDS Display Mode Selector Button
23. Dimmer Button
24. Extra Bass/Demo Mode Button
25. Equaliser Mode Selector Button
26. Cursor Button
27. Enter Button
28. Learn/Transmit Selector Switch
29. 3.6 V DC Input Socket
30. Memory 1/2 Selector Switch
2
4
5
6
3
7 8
9
19
20
21
22
23
24
25
17
18
17
18
16
15
13
14
11
12
10
27
28
29
30
1
26
Main unit (with subwoofer)
1. Memory Indicator
2. Timer Play Indicator
3. Sleep Indicator
4. Extra Bass Indicator
5. Digital Theatre System Indicator
6. FM Stereo Mode Indicator
7. FM Stereo Receiving Indicator
8. Dolby Pro Logic II Indicator
9. Dolby Virtual Indicator
10. Dolby Digital Indicator
11. RDS Indicator
12. Traffic Programme Indicator
13. Traffic Announcement Indicator
14. Dynamic PTY Indicator
15. Radio Text Indicator
16. Power Indicator
17. On/Stand-by Button
18. Remote Control Sensor Socket
19. TV Monitor Output Sockets
20. DVD Video Input Sockets
21. Video and Audio Input Sockets (VIDEO 2)
22. Video and Audio Input Sockets (VIDEO 1)
23. Subwoofer
24. AC Power Lead
25. DVD Optical Digital Audio Input Socket
26. DVD Coaxial Digital Audio Input Socket
27. AM Loop Aerial Socket
28. FM 75 Ohms Aerial Socket
29. Video and Audio Output Sockets (VIDEO 1)
30. Auxiliary Audio Input Sockets
31. Speaker Terminals
19
26
27
28
29
30
31
20
21
22
23
24
25
17
18
1
2
3
4 5
8
6 7
9
10
16
Front
Back
11 12 13 14 15
Page of 60
Display

Download Sharp HT-CN300H (serv.man4) Service Manual (Repair Manual)

Here you can read online and download Sharp HT-CN300H (serv.man4) Service Manual in PDF. HT-CN300H (serv.man4) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp HT-CN300H (serv.man4) Home Theatre. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.