Sharp SD-SH111H User manual

SD-SH111H
No. S4230SDSH111H
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
DISASSEMBLY.................................................................................................................................................................. 7
REMOVING AND REINSTALLING THE MAIN PARTS..................................................................................................... 9
WIRING PROCESS DIARGRAM....................................................................................................................................... 9
ADJUSTMENT ................................................................................................................................................................. 10
DVD UNIT DOWNLOLD PROCEDURES ........................................................................................................................ 21
DESCRIPTION OF AND HOW TO AVOID ERROR AND ABNORMALITY INDICATIONS ............................................ 23
DESCRIPTION OF CIRCUIT FOR 1-BIT UNIT ............................................................................................................... 24
TO CHECK AND CANCEL PROTECT CIRCUIT DETECTION LINE.............................................................................. 25
WIRING DIAGRAM ......................................................................................................................................................... 26
BLOCK DIAGRAM ........................................................................................................................................................... 28
WIRING SIDE OF P.W.BOARD / SCHEMATIC DIAGRAM............................................................................................. 45
VOLTAGE ........................................................................................................................................................................ 85
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 86
TYPES OF TRANSISTOR AND LED................................................................................................................................86
WAVEFORMS OF 1-BIT CIRCUIT .................................................................................................................................. 87
WAVEFORMS OF DVD CIRCUIT ................................................................................................................................... 88
TROUBLESHOOTING ..................................................................................................................................................... 89
FUNCTION TABLE OF IC................................................................................................................................................ 92
FL DISPLAY................................................................................................................................................................... 102
REPLACEMENT PARTS LIST/EXPLODED VIEW
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
1-BIT DIGITAL RECEIVER WITH DVD
MODEL SD-SH111H

SD-SH111H
– 2 –
Precaution to be taken when replacing and servicing the
Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output
for this model is specified to be lower than Class 1
Requirements. However, the following precautions must be
observedduringservicingtoprotectyoureyesagainstexposure
to the Laser beam.
(1) When the cabinet has been removed, the power is turned
on without a compact disc, and the Pickup is on a position
outerthanthelead-inposition,theLaserwilllightforseveral
seconds to detect a disc. Do not look into the Pickup Lens.
SAFETY PRECAUTION FOR SERVICE MANUAL
Laser Diode Properties
Material: AIGaAs/AIGaInP
Wavelength: 785 nm/650 nm
Emission Duration: continuous
Laser Output: max. 0.69 mW
ADVERSEL-SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING. SE IKKE IND I
STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NÄKYVÄLLE JA NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ KATSO SITÄ OPTISEN
LAITTEEN LÄPI.
VARNING-SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR
ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ STRÅLEN GENOM
OPTISKT INSTRUMENT.
VAROITUS! LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ
KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA
KÄYTTÄJÄN TURVALLISUUSLUOKAN 1 YLITTÄVÄLLE NÄKYVÄLLE JA
NÄKYMÄTTÖMÄLLE
LASERSÄTEILYLLE.
VARNING - OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN I DENNA
BRUKSANVISNING SPECIFICERAS. KAN ANVÄNDAREN UTSÄTTAS FÖR
SYNLIG OCH OSYNLIG LASERSTRÅLNING, SOM ÖVERSKRIDER GRÄNSEN
FÖR LASERKLASS 1.
(2) The Laser Power Output of the Pickup inside the unit and
replacement service parts have already been adjusted
prior to shipping.
(3) No adjustment to the Laser Power should be attempted
when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup Lens
at any time.
(5)CAUTION-Useofcontrolsoradjustments,orperformance
ofproceduresotherthan those specifiedhereinmay result
in hazardous radiation exposure.

– 3 –
SD-SH111H
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
SPECIFICATIONS
General
Amplifier
DVD/CD player
Tuner
Power source AC 230 V, 50 Hz
Power consumption 75 W
Dimensions Width: 450 mm (17-3/4")
Height: 152 mm (6")
Depth: 152 mm (6")
Weight 4.9 kg (10.8 lbs.)
Terminals Front speakers, Centre speaker, Surround speakers and
Subwoofer: 4 ohms minimum
Headphones: 16 - 50 ohms (recommended: 32 ohms)
Monitor output: S-video/video
Subwoofer Pre Out: 10 kohms
Digital output: Optical
Digital input (AV 3): Optical
AV Terminal [AV 1 (TV)]: SCART type
AV Terminal (AV 2): SCART type
S-video input (AV 3): S-terminal
Video input (AV 3): RCA type
Audio input (AV 3): RCA type (L/R)
Amplification system 128 fs 1-bit switching (Remarks: fs = 44.1 kHz)
Output power Front speakers:
RMS: 50 W (25 W + 25 W) (10 % T.H.D., 1 kHz)
Centre speaker:
RMS: 25 W (10 % T.H.D., 1 kHz)
Surround speakers:
RMS: 50 W (25 W + 25 W) (10 % T.H.D., 1 kHz)
Subwoofer:
RMS: 25 W (10 % T.H.D., 100 Hz)
A/D noise shaping 7th-order (delta - sigma) modulation
Signal system NTSC/PAL
Supported disc types DVD (Region number 2, ALL), audio CD, CD-R, CD-RW
Video signal Horizontal resolution: 500 lines
S/N ratio: 60 dB
Audio signals Frequency characteristics:
Linear PCM DVD: 4 Hz to 22 kHz (48 kHz sampling) /
4 Hz to 44 kHz (96 kHz sampling)
CD: 4 Hz to 20 kHz
S/N ratio: 96 dB 1 kHz (CD)
Dynamic range: 96 dB (Linear PCM DVD)
96 dB (CD)
Total harmonic distortion ratio: 0.006 % maximum
Frequency range FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Specifications for this model are subject to change without
prior notice.

SD-SH111H
– 4 –
NAMES OF PARTS
Front panel
1. Disc Cover
2. On/Stand-by Button
3. Disc Cover Open/Close Button
4. Sound Mode Indicator
5. Remote Sensor
6. Disc Play or Pause Button
7. Disc Stop Button
8. DVD Chapter Skip, VCD/CD Track Down or
Tuning Down Button
9. DVD Chapter Skip, VCD/CD Track Up or
Tuning Up Button
10. Power Indicator
11. Timer Set Indicator
12. Function Button
13. Tuner Band, Digital Input Button
14. Volume Up and Down Buttons
15. Headphone Socket
11 12 13 14 15
1 2 3 654 7 8 9 10
Display
1. Timer Play Indicator
2. Sleep Indicator
3. Playback Control Indicator
4. Audio Signal Indicators/Speaker Indicators
5. Programme indicator
6. Radio Text Indicator
7. Disc Indicator
8. RDS Indicator
9. VCD/CD Random Play Indicator
10. FM Stereo Receiving Indicator
11. VCD/CD Track Name Indicator
12. Traffic Programme Indicator
13. DVD Title Indicator
14. Traffic Announcement Indicator
15. VCD/CD Total Indicator
16. Dynamic PTY Indicator
17. EON Indicator
18. Programme Type Indicator
19. DVD Chapter Indicator
20. Traffic Information Indicator
21. DVD Angle Indicator
22. FM Stereo Mode Indicator
23. VCD/CD Repeat or Disc A - B Repeat Indicator
15 19 21 23
13
12 14 16 17 18 20 22
11
89
10
7
6
5
123
(11)
(13)
(8)
4
(9) (10)
(12)
(7)
(1) (2) (3)
(4)
(5) (6)
(1) Front Left Signal Indicator (8) Left Front Speaker Indicator
(2) Centre Signal Indicator (9) Centre Speaker Indicator
(3) Front Right Signal Indicator (10)Right Front Speaker Indicator
(4) Low Frequency Effect Indicator (11)Subwoofer Indicator
(5) Surround Left Signal Indicator (12)Left Surround Speaker Indicator
(6) Surround Monaural Signal
Indicator (13)Right Surround Speaker Indicator
(7) Surround Right Signal Indicator

– 5 –
SD-SH111H
Rear panel
1. Front Speaker Terminals
2. Centre Speaker Terminals
3. Subwoofer Terminals
4. Surround Speaker Terminals
5. AC Power Input Socket
6. Cooling Fan
5 6
1 2 3 4
Rear panel
1. AV2 SCART Socket
2. AV1 (TV) SCART Socket
3. Video Output Selector Switch
4. Audio Digital Output Socket
5. Audio Digital Input Socket
6. FM 75 Ohms Aerial Socket
7. Aerial Earth Terminal
8. AM Loop Aerial Terminal
9. Mounting Holes for Wall Bracket (Optionally available)
10. Monitor Output Sockets
11. Video and Audio Input Sockets
12. Subwoofer Pre Output Socket
12
11
9
138
5
467
2
10

SD-SH111H
– 6 –
[Front]
Remote control
1. Remote Control Transmitter
2. On/Stand-by Button
3. VCD/CD Play Mode Select Button
4. TV On/Stand-by Button
5. TV Volume Up and Down Buttons
6. TV Input Select Button
7. Tuner (Band) Button
8. Function Buttons
9. Disc Fast Reverse, Tuner Preset Down Button
10. DVD Chapter Skip, VCD/CD Track Down Button
11. Enter Button
12. Volume Up and Down Buttons
13. Return Button
14. DVD Zoom Button
15. TV Display Select Button
16. Disc Cover Open/Close Button
17. Sound Mode Select Buttons
18. Dynamic Sound Select Button
19. Main Unit Display Select Button
20. TV Channel Select Buttons
21. Disc Play or Pause Button
22. Disc Stop Button
23. Disc Fast Forward, Tuner Preset Up Button
24. DVD Chapter Skip, VCD/CD Track Up Button
25. Cursor Button
26. Extra Bass Button
27. DVD Top Menu Button
28. DVD Menu Button
12
11
1
2
3
4
5
6
8
7
9
10
13
14
15
16
17
20
19
21
22
23
26
27
28
24
25
18
Buttons with " " mark in the illustration can be operated on the remote control
only.
[Back]
Remote control
1. RDS EON or DVD Subtitle Button
2. RDS Display Mode Selector or
Playback Control Button
3. Disc A - B Repeat Button
4. DVD/VCD Digital Gamma Button
5. DVD/VCD Frame Advance Button
6. Direct Button
7. Programme Button
8. Clear Button
9. DVD Initial Setting Button
10. Amplifier Initial Setting Button
11. Timer Button
12. Return Button
13. VCR On/Stand-by Button
14. VCR Channel Select Buttons
15. RDS Programme Type/Traffic Information Search or
DVD Angle Button
16. RDS ASPM (Auto Station Programme Memory) or
DVD Sound Select Button
17. DVD/VCD Super Picture Button
18. Disc Play or Pause Button
19. DVD/VCD Slow Button
20. Direct Number Buttons
21. Enter Button
22. Cursor Buttons
23. VCR Stop Button
24. VCR Play Button
25. VCR Fast Forward Button
26. VCR Rewind Button
27. Sliding Cover
11
10
1
2
3
4
5
6
7
8
9
12
13
14
15
16
17
18
19
20
22
23
24
25
26
27
21
Buttonswith" "markintheillustrationcan be operatedonthebackoftheremote
control. Other buttons can be operated on both sides of the remote control only.

– 7 –
SD-SH111H
1 Side Cabinet 1. Screw ..................... (A1) x4 7-1
(Left/Right) 2. Pulled to the arrow direction front.
2 Top Cabinet 1. Screw ..................... (B1) x3 7-1
3 Top Panel 1. Screw ..................... (C1) x3 7-1
2. moved to the left of the arrow
direction .
4 DSP PWB/ 1. Screw ..................... (D1) x6 7-2
Shield Case 2. Socket .................... (D2)x 5
3. Flet Cable .............. (D3) x2
5 Rear Panel/Tuner 1. Screw ....................(E1) x13 7-2, 7-3
Unit 2. Top Bracket ........... (E2) x2 7-2
3. Flat Cable .............. (E3) x1 7-3
6 Speaker A PWB 1. Socket ..................... (F1) x8 7-3
2. Screw ...................... (F2) x3
3. Flet Cable ............... (F3) x1
7 Main PWB 1. Socket .................... (G1) x5 7-3
2. Screw ..................... (G2) x8
3. Socket .................... (G3) x1
4. Flat Cable .............. (G4) x3
8 DVD Servo PWB 1. Screw ..................... (H1) x4 8-1
(Note 1) 2. Socket .................... (H2) x1
3. Flat Cable .............. (H3) x1
9 Front Panel 1. Screw ..................... (J1) x6 8-1
2. Socket .................... (J2) x5 8-2, 8-3
10 Display PWB 1. Screw ......................(K1) x9 8-2
11 DVD Mechanism 1. Screw...................... (L1) x4 8-2
12 1-Bit Amp. Unit 1. Screw ..................... (M1) x5 8-3
13 Power A/B PWB 1. Screw ..................... (N1) x5 8-3
14 1-Bit Amp. Shield 1. Screw ....................(P1) x23 8-4
Cover 2. 1-Bit Amp. Bracket..(P2) x1
3. Heat Sink ................(P3) x3
15 1-Bit Amp. PWB 1. Screw ................... (Q1) x12 8-5
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take DVD out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3.Takeoff nylonbandsor wireholderswhere theyneedto
beremovedwhendisassemblingtheunit.Afterservicing
theunit,be suretorearrange the leadswhere they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 7-2
STEP REMOVAL PROCEDURE FIGURE
Figure 7-1
Front Panel
Top Panel
Top Cabinet
Side Cabinet
(Left)
Side Cabinet
(Right)
Pull
Pull
Rear Panel
(C1)x3
ø3x8mm
(B1)x3
ø3x8mm
(A1)x2
ø3x8mm
(A1)x2
ø3x8mm
(E1)x4
ø3x8mm
(E1)x1
ø3x8mm
(D1)x2
ø3x8mm
(D1)x1
ø3x8mm
(E2)x1
(E2)x1
(D3)x1
(D2)x2
(D2)x3
DSP PWB
Shield Case
Front Panel
Rear Panel
(D1)x2
ø3x8mm
(D1)x1
ø3x8mm
(D3)x1
(E1)x3
ø3x8mm
(E1)x2
ø3x14mm
Lug (E1)x1
ø3x6mm
Figure 7-3
* (Note 1)
After pulling out the optical pickup connector, wrap the tip of it with
conductivealuminium foil orthelike to protecttheopticalpickup from
the static electricity.
(G2)x4
ø3x10mm
(F1)x1
(F1)x1
(G3)x1
(G4)x2
(G1)x5
(E3)x1
(F3)x1
(F1)x5
Speaker A
PWB
Main PWB
Front
Panel
Tuner Unit
(G4)x1
(G2)x4
ø3x10mm
(E1)x2
ø3x8mm
(F1)x1
(F2)x3
ø3x8mm

SD-SH111H
– 8 –
Push
DVD/CD Lid
(A1)
Figure 8-6
How to open the DVD/CD lid (See Fig. 8-6)
1. Remove the side cabinet (left) and lower the CD up lever
(A1) in the direction of the arrow.
Figure 8-1
Figure 8-2
Figure 8-3
Figure 8-5
Figure 8-4
(H1)x2
ø3x10mm
(H1)x1
ø3x8mm
(H1)x1
ø3x6mm
(J1)x4
ø3x8mm
(J1)x1
ø3x8mm
(J1)x1
ø3x8mm
DVD
Servo PWB
(H3)x1
(H2)x1
DVD Mechanism
Front Panel
Pull Pull
Gear Box
Ass'y
(K1)x1
ø3x8mm
(K1)x8
ø3x8mm
Display PWB
(J2)x3
DVD Mechanism
Front Panel
Gear Box
Ass'y
DVD Servo
PWB Bracket
(L1)x4
ø2.6x12mm
Power B PWB
Power A PWB
(M1)x2
ø3x8mm
(M1)x3
ø3x8mm
(N1)x2
ø3x12mm
(N1)x1
ø4x8mm
(N1)x2
ø3x12mm
(J2)x2
1-Bit Amp.
Unit
(P1)x1
ø3x8mm
(P1)x12
ø3x8mm
(P1)x2
ø3x8mm
(P1)x4
ø3x6mm
(P3)x2
(P3)x1
(P2)x1
Washer
Washer
1-Bit Amp.
Shield Cover
(P1)x1
ø3x6mm
(P1)x1
ø3x8mm
(P1)x1
ø3x8mm
(P1)x1
ø3x8mm
(Q1)x12
ø3x10mm
1-Bit Amp. PWB
Silicon Grease

– 9 –
SD-SH111H
REMOVING AND REINSTALLING THE MAIN PARTS
Figure 9-1 Figure 9-2
Figure 9-4
How to Remove the DVD/CD lid motor
(See Figs. 9-1 and 9-2)
1. Remove the front panel.
(Refer to the disassembly method on pages 7 and 8.)
2. Remove the screws (A1) x 5 pcs.
3. Remove the DVD/CD lid gear unit from the front panel.
4. Remove the screws (A2) x 2 pcs. to remove the DVD/CD
lid motor.
Caution:
Be careful not to damage the gear.
(If the gear is damaged, noise is heard when searching.)
(A2)x2
ø2x4mm
DVD/CD Lid
Motor
Gear Box Ass'y
Gear Box Ass'y
Front Panel
(A1)x5
ø3x10mm
WIRING PROCESS DIAGRAM
1-BIT SECTION
Fix the wires with nylon bands as shown.

SD-SH111H
– 10 –
ADJUSTMENT
TO SPEAKER A
PWB TO DVD SERVO PWB
FROM FAN MOTOR
FROM
DISPLAY PWB
FROM
DVD PWB
TO DSP PWB
TO
1-BIT AMP. PWB
TO DSP PWB
FROM
HEADPHONES PWB
FROM
SUBWOOFER
OUT PWB
CP5001
CNS503
CNV01
CNP503
CNP505
CNP502
CNSE02
CP6001
CNPV02 CNP506
CNS306
CNP508
CNS101
CNP504
CNS505
CNS504
CNS506
CNP306
CNS106A
TO
1-BIT AMP. PWB
CNS106B
TO
1-BIT AMP. PWB
CNS106C
CNP101
FROM
POWER A PW
B
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM
1-BIT AMP. PWB
FROM DISPLAY PWB
TO SPEAKER B PWB
CNP708
CNP709
CNP714
CNSE07
CNSA110F
CNSA110D CNSA110B CNSA111C
FROM
1-BIT AMP. PWB
CNSA111A
CNSA111B
CNP705
CNP707
CNP706 CNP701 CNP703 CNP702 CNP704
CNS902
CNS503
• Adjustment preparation
After removing the rear panel, perform adjustment with connectors connected.