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Panasonic SA-HT995GC Service Manual

Panasonic SA-HT995GC Service Manual

Dvd home theater sound system

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Specifications
lGeneral
Power Source:
Power consumption:
Dimensions (W×H×D):
Mass:
lAmplifier section
RMS Output Power: Dolby Digital Mode
lTotal RMS Dolby Digital
mode Power:
At 1kHz and total harmonic of 10%
lFront:
lCenter:
lSurround:
At 100Hz and total harmonic of 10%
lSubwoofer:
PMPO Output Power::
DIN Output Power: Dolby Digital Mode:
lTotal DIN Dolby Digital mode Power:
At 1kHz and total harmonic of 1%
AC 110-127V/ 220-240V, 50/
60Hz
120 W
430×60×354 mm
3.35kg
1000 W
125 W/ Channel (3Ω)
250 W/ Channel (6Ω)
125 W/ Channel (3Ω)
250 W/ Channel (6Ω)
7500 W
470 W
DVD Home Theater Sound System
SA-HT995GC
SA-HT995GCS
SA-HT995GS
Colour
(S).......................Silver Type
lFront:
lCenter:
lSurround:
At 100Hz and total harmonic of 1%
lSubwoofer:
lFM tuner section
Preset Memory:
Frequency Range:
Sensitivity:
S/N 26dB
Antenna Terminals:
lAM tuner section
Frequency Range:
AM Sensitivity S/N 20dB at
999kHz:
lPhone jack:
Terminal:
lMic jack:
© 2006 Panasonic AVC Networks Singapore Pte.
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER NO.MD0605185C3
80 W/ Channel (3Ω)
75 W/ Channel (6Ω)
80 W/ Channel (3Ω)
75 W/ Channel (6Ω)
FM 15 stations
AM/MW 15 stations
87.50-108.00MHz
(50kHz in step)
2.5µV (IHF)
2.2µV
75Ω (unbalanced)
522-1629kHz (9kHz in step)
520-1630kHz (10kHz in step)
560µV/m
Stereo 3.5 mm jack

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Summary of Contents for Panasonic SA-HT995GC

  • Page 1 DIN Dolby Digital mode Power: lPhone jack: 470 W Terminal: Stereo 3.5 mm jack At 1kHz and total harmonic of 1% lMic jack: © 2006 Panasonic AVC Networks Singapore Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 Note: long and narrow pictures may not be displayed. 1. Specifications are subject to change without notice. *4 MPEG4 data recorded with Panasonic SD multi cameras or Mass and dimensions are approximate. DVD video recorders. 2. Total harmonic distortion is measured by the digital spectrum lConforming to SD VIDEO specifications (ASF standard)/ analyzer.
  • Page 3 SA-HT995GC / SA-HT995GCS / SA-HT995GS CONTENTS Page Page 1 Safety Precautions 1.4. Caution for AC Cord (For GS only) 1.1. GENERAL GUIDELINES 2 Prevention of Electro Static Discharge (ESD) to 1.2. Before Repair and Adjustment Electrostatically Sensitive (ES) Devices 1.3. Protection Circuitry...
  • Page 4 SA-HT995GC / SA-HT995GCS / SA-HT995GS 4 About Lead Free Solder (PbF) 13 Measurements and Adjustments 4.1. Service caution based on legal restrictions 13.1. Service Tools and Equipment 5 Handling Precautions for Traverse Unit 13.2. Important points in adjustment 5.1. Cautions to Be Taken in Handling the Optical Pickup Unit 13.3.
  • Page 5 SA-HT995GC / SA-HT995GCS / SA-HT995GS 1 Safety Precautions 1.1. GENERAL GUIDELINES 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
  • Page 6 SA-HT995GC / SA-HT995GCS / SA-HT995GS “shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used. If this occurs, follow the procedure outlines below: 1. Turn off the power. 2. Determine the cause of the problem and correct it.
  • Page 7 SA-HT995GC / SA-HT995GCS / SA-HT995GS 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
  • Page 8 SA-HT995GC / SA-HT995GCS / SA-HT995GS 3 Precaution of Laser Diode CAUTION : This product utilizers a class 1 laser. Invisible laser radiation is emitted from the optical pick up lens. When the unit is turned on: Wavelength : 662nm (DVD) / 785nm (CD) Maximum output radiation power from pick up : 100µW/VDE...
  • Page 9 SA-HT995GC / SA-HT995GCS / SA-HT995GS 4 About Lead Free Solder (PbF) 4.1. Service caution based on legal restrictions 4.1.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.
  • Page 10 SA-HT995GC / SA-HT995GCS / SA-HT995GS 5 Handling Precautions for Traverse Unit The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be taken avoid caution to electrostatic breakdown when servicing and handling the laser diode.
  • Page 11 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 12 SA-HT995GC / SA-HT995GCS / SA-HT995GS 6 Accessories Remote control AC cord (For GS only) AM loop antenna AC cord FM indoor antenna Speaker cable Video cable Screws Speaker label...
  • Page 13 SA-HT995GC / SA-HT995GCS / SA-HT995GS 7 Operation Procedures 7.1. Remote Control Key Buttons Operations...
  • Page 14 SA-HT995GC / SA-HT995GCS / SA-HT995GS 7.2. Main Unit Key Buttons Operations (SA-HT995)
  • Page 15 SA-HT995GC / SA-HT995GCS / SA-HT995GS 7.3. Use of HDAVI Control...
  • Page 16 SA-HT995GC / SA-HT995GCS / SA-HT995GS 7.4. Using of Music Port...
  • Page 17 Recorded with Panasonic SD multi cameras or DVD video recorders using the DCF (Design rule for Camera File System) Standard Version 1.0. Recorded with Panasonic SD multi cameras or DVD video recorders [conforming to SD VIDEO MPEG4 specifications (ASF standard)/MPEG4 (Simple Profile) video system/G.726 audio system].
  • Page 18 SA-HT995GC / SA-HT995GCS / SA-HT995GS 7.5.2. File Extension Type Support (WMA/MP3/JPEG/MPEG4/DivX)
  • Page 19 SA-HT995GC / SA-HT995GCS / SA-HT995GS 7.6. About DivX VOD Content...
  • Page 20 SA-HT995GC / SA-HT995GCS / SA-HT995GS 8 New Features 8.1. About HDMI 8.1.1. What is HDMI? 8.1.2. Advanced Digital Pictures...
  • Page 21 SA-HT995GC / SA-HT995GCS / SA-HT995GS 8.1.3. Advanced Digital Sound 8.1.4. Easy to Use 8.1.5. HDMI Compatible Products...
  • Page 22 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9 Self-Diagnosis and special mode setting 9.1. Service Mode Summary Table The service modes can be activated by pressing various button combination on the player and remote control unit. Below is the summary of major checking:...
  • Page 23 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9.2.1. Service Mode Table 1 Item Key Operation FL Display Mode Name Description Front Key Jitter check Jitter check In STOP (no disc) mode, Jitter rate is measured and displayed. press STOP button on the Measurement is repeatedly done in player, and "5"...
  • Page 24 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9.2.2. Service Mode Table 2 Item Key Operation FL Display Mode Name Description Front Key Micro-processor Micro-processor firmware version In STOP (no disc) firmware version display & EEPROM checksum display. mode, press STOP button display &...
  • Page 25 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9.2.3. Service Mode Table 3 Item Key Operation FL Display Mode Name Description Front Key While in initialization DVD Module To reset DVD Module. mode, press & hold STOP Reset This process is used when the DVD...
  • Page 26 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 27 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9.3. DVD Self Diagnostic Function-Error Code 9.3.1. Error Code Table 1 Error Diagnosis Contents Description of error Automatic FL Display Remarks Code Focus servo error Focus coil NG (OPU unit abnormal) Press [ n STOP] on main unit for next error.
  • Page 28 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9.3.2. Error Code Table 2 Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F506 Invalid media Disc is flipped over, TOC unreadable, Press [ n STOP] on main incompatible disc media unit for next error...
  • Page 29 SA-HT995GC / SA-HT995GCS / SA-HT995GS 9.3.3. Error Code Table 3 Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F880 Task number is not Message coming from a non-existing Press [ n STOP] on main appropriate task unit for next error...
  • Page 30 SA-HT995GC / SA-HT995GCS / SA-HT995GS the lock function mode is entered. · Prohibiting operation of selector and disk 1. Select the DVD/CD function. 2. Press and hold down the button and the power button on the player for at least three seconds. (The message, “___LOCKED_”...
  • Page 31 SA-HT995GC / SA-HT995GCS / SA-HT995GS 4. FL will display “RESET” before FL display will change to TOC reading again. 5. Power off unit. Unplug the AC cord. 6. Power on the unit. It should be no problem. If problem persist check on the HDMI module P.C.B. or FLASH ROM IC.
  • Page 32 SA-HT995GC / SA-HT995GCS / SA-HT995GS 10 Assembling and Disassembling “ATTENTION SERVICER” Be careful when disassembling and servicing. Some chassis components may have sharp edges. Special Note: 1. This section describes the disassembly procedures for all the major printed circuit boards and main components.
  • Page 33 SA-HT995GC / SA-HT995GCS / SA-HT995GS 10.1. Disassembly Flow Chart...
  • Page 34 SA-HT995GC / SA-HT995GCS / SA-HT995GS 10.2. Main Components and P.C.B. Locations...
  • Page 35 SA-HT995GC / SA-HT995GCS / SA-HT995GS 10.3. Disassembly of Top Cabinet Step 1 Remove 4 screws. Step 2 Remove 3 screws. (Rear view) Step 3 Lift up and remove the top cabinet. 10.4. Disassembly of the DVD Lid (When taking out disc manually) ·...
  • Page 36 SA-HT995GC / SA-HT995GCS / SA-HT995GS 10.5. Disassembly of Front Panel Assembly · Follow Item 10.3. Step 1 Remove the DVD lid. Step 2 Detach FFC cables at connectors. (CN2006, CN2007, Step 5 Remove the front panel assembly. CN2017) Special Note: Avoid placing the set in a position that might Step 3 Remove 1 screw.
  • Page 37 SA-HT995GC / SA-HT995GCS / SA-HT995GS Step 6 Remove 6 screws. Step 7 Remove FL P.C.B., Top Button P.C.B. & Mic P.C.B. 10.8. Disassembly of Relay P.C.B. · Follow Item 10.7. Step 1 Remove 4 screws. Step 2 Detach FFC cables at the connectors. (FP8001, FP8002, FP8003, FP8004) Step 3 Remove Relay P.C.B.
  • Page 38 SA-HT995GC / SA-HT995GCS / SA-HT995GS detaching the FFC cables. 10.11. Disassembly of Main P.C.B., AC-Inlet P.C.B., Tuner Extent P.C.B. & Voltage Selector P.C.B. · Follow Item 10.3. · Follow (Step 1) to (Step 5) of Item 10.5. · Follow (Step 1) to (Step 4) of Item 10.9.
  • Page 39 SA-HT995GC / SA-HT995GCS / SA-HT995GS location of the parts. 10.15. Disassembly of Switch 10.13. Disassembly of Digital Amp IC Regulator IC (IC5701) (IC5400) · Follow (Step 1) to (Step 2) of Item 10.11. · Follow (Step 1) to (Step 2) of Item 10.11.
  • Page 40 SA-HT995GC / SA-HT995GCS / SA-HT995GS 11 Service Position 11.1. Servicing position of the HDMI Module P.C.B. · Follow Item 10.7. · Follow (Step 1) to (Step 2) of Item 10.8. · Follow (Step 1) to (Step 2) of Item 10.9.
  • Page 41 SA-HT995GC / SA-HT995GCS / SA-HT995GS 12 Assembly and Step 4 Remove the traverse unit. disassembly of Mechanism Unit 12.1. Disassembly Procedure 12.1.2. Disassembly of Tray Unit Step 1 Slide the guide tray unit while pressing the stopper in the arrow direction, and remove the guide tray unit.
  • Page 42 SA-HT995GC / SA-HT995GCS / SA-HT995GS Step 3 Hook the drive arm concave phase over the tray and Step 4 Spread the tabs at the both sides and pull the tray out. the tray slider. (The tray slides a little forword and stops.).
  • Page 43 SA-HT995GC / SA-HT995GCS / SA-HT995GS Step 7 Turn the change lever in the arrow direction till it stops. Step 8 Hook the change lever spring on the change lever project part temporarily. Step 2 Hook the lock lever spring on the lock lever projection part temporarly.
  • Page 44 SA-HT995GC / SA-HT995GCS / SA-HT995GS 12.1.4. Disassembly of Tray Loading P.C.B. Step 1 Remove 3 screws Step 2 Remove 4 pins. 12.1.5. Disassembly of Optical Pickup Unit Special Note: Anti-static measures are necessary due to handling of OPU unit .
  • Page 45 SA-HT995GC / SA-HT995GCS / SA-HT995GS Step 7 Remove 1 screw. Step 8 Slide the shaft in the arrow direction. Step 4 Remove the optical pickup unit in the arrow direction till it stops. Step 9 Lift the optical pickup unit with the shaft.
  • Page 46 SA-HT995GC / SA-HT995GCS / SA-HT995GS (Assembling the optical pickup unit) Step 1 Pass the intermediate FPC through the frame hole. Step 2 Align the guide section of the optical pickup unit with the rail. Step 3 Install the shaft top to the holder.
  • Page 47 SA-HT995GC / SA-HT995GCS / SA-HT995GS 13 Measurements and Adjustments 13.1. Service Tools and Equipment Application Name Number Tilt adjustment DVD test disc DVDT-S20 [SPG] TORX screw driver (T6) Available on sales route. (T6) or RFKZ0185 [SPG] Others Grease RFKXPG641 [SPG]...
  • Page 48 SA-HT995GC / SA-HT995GCS / SA-HT995GS 13.4. Optical adjustment 13.4.1. Optical pickup tilt adjustment Measurement point Adjustment point Mode Disc Tangential adjustment screw T01 (inner periphery) play DVDT-S20 [SPG] Tilt adjustment screw T30 (center periphery) T43 (outer periphery) play Measuring equipment Adjustment value None (Main unit display for servicing is used.)
  • Page 49 SA-HT995GC / SA-HT995GCS / SA-HT995GS 14 Abbreviations INITIAL/LOGO ABBREVIATIONS ERROR TORQUE CONTROL ERROR TORQUE CONTROL INITIAL/LOGO ABBREVIATIONS REFERENCE A0~UP ADDRESS ENCSEL ENCODER SELECT ACLK AUDIO CLOCK ETMCLK EXTERNAL M CLOCK (81MHz/40.5MHz) AD0~UP ADDRESS BUS ETSCLK EXTERNAL S CLOCK (54MHz) ADATA...
  • Page 50 SA-HT995GC / SA-HT995GCS / SA-HT995GS INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS READ ENABLE VBLANK V BLANKING RFENV RF ENVELOPE COLLECTOR POWER SUPPLY RF PHASE DIFFERENCE OUTPUT VOLTAGE (CD-ROM) REGISTER SELECT VCDCONT VIDEO CD CONTROL (TRACKING RSEL RF POLARITY SELECT BALANCE) RESET DRAIN POWER SUPPLY VOLTAGE...
  • Page 51 SA-HT995GC / SA-HT995GCS / SA-HT995GS 15 Voltage and Waveform Chart 15.1. HDMI Module P.C.B. IC3701 Re f No. MODE CD P LAY IC3701 Re f No. MODE CD P LAY Re f No. IC3701 MODE CD P LAY IC3701 Re f No.
  • Page 52 SA-HT995GC / SA-HT995GCS / SA-HT995GS IC8151 Re f No. MODE CD P LAY IC8251 Re f No. MODE CD P LAY IC8251 Re f No. MODE CD P LAY IC8421 Re f No. MODE CD P LAY IC8421 Re f No.
  • Page 53 SA-HT995GC / SA-HT995GCS / SA-HT995GS 15.2. Main P.C.B. Re f No. IC2004 MODE CD P LAY S TANDBY IC2018 Re f No. MODE CD P LAY S TANDBY IC2018 Re f No. MODE CD P LAY S TANDBY IC2018 Re f No.
  • Page 54 SA-HT995GC / SA-HT995GCS / SA-HT995GS IC5000 Re f No. MODE CD P LAY 29.2 -29.2 -21.2 29.5 -3.4 -29.4 -16.8 -29.2 -3.4 29.5 -29.2 -29.2 29.2 S TANDBY 29.2 -29.2 -21.2 29.2 -3.4 -29.4 -16.8 -29.4 -3.4 29.5 -29.2 -29.2 29.2...
  • Page 55 SA-HT995GC / SA-HT995GCS / SA-HT995GS 15.4. Waveform Chart WF No. IC2102-15 (PLAY) WF No. IC2102-16, 17, 18, WF No. IC2102-20 (PLAY) 19, 28, 41, 44 (PLAY) 0.34Vp-p(2usec/div) 88Vp-p(5msec/div) 1Vp-p(500usec/div) 84Vp-p(5msec/div) WF No. IC2102-30 (PLAY) 0.30Vp-p(2usec/div) 4.4Vp-p(5msec/div) 0.28Vp-p(2usec/div) 0.32Vp-p(2usec/div) WF No. IC2102-81 (PLAY) WF No.
  • Page 56 SA-HT995GC / SA-HT995GCS / SA-HT995GS WF No. IC3901- 8, 9 (PLAY) WF No. IC3901- 29, 30, 32 WF No. IC3901- 44 (PLAY) WF No. IC3901- 26,27 (PLAY) 33, 35, 36(PLAY) 0.16Vp-p(100nsec/div) 1.4Vp-p(5msec/div) 6.4Vp-p(5msec/div) 12.8Vp-p(5msec/div) WF No. IC3901- 49, 50, 51, 52, WF No.
  • Page 57 SA-HT995GC / SA-HT995GCS / SA-HT995GS 16 Illustration of IC's, Transistors and Diodes RFKWMHA03160 C0HBB0000057 (44p) C0ABBA000168 (8p) C0JBAB000011 (14p) (For GCS) C0ABBB000230 (8p) C0JBAR000326 (16p) C1AB00002239 (80p) RFKWMHA02160 C0ABCB000088 (14p) C1AB00001731 (6p) (For GC/GS) C1BB00001098 (100p) C0CBCAD00082 (8p) C3ABPG000133 (54p) C2CBYY000196 (100p) No.1...
  • Page 58 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 59 SA-HT995GC / SA-HT995GCS / SA-HT995GS 17 Wiring Connection Diagram TO FAN UNIT TO FAN UNIT VOLUME CN6901 CN5711 VR6800 H6901 WHITE GRAY FL P.C.B. CN5704 (SOLDER SIDE) JK6801 HEADPHONE CN5714 SBLU JK5400 P5701 GRAY SUBWOOFER TOP BUTTON P.C.B. H6902 WHITE...
  • Page 60 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 61 SA-HT995GC / SA-HT995GCS / SA-HT995GS 18 Block Diagram IC8001 IC8251 MN2DS0009AP C0GBG0000048 OPTICAL PICK UP UNIT DV3.2 LSI TRACKING COIL/FOCUS COIL/TRAVERSE/SPINDLE MOTOR DRIVE PHOTO DETECTOR VIN1 VOL4+ VIN2 TRAVERSE VIN3 HEAD MOTOR VIN4 LEVEL VOL4- SHIFT VIN8 BIAS1 VIN7 VHALF...
  • Page 62 SA-HT995GC / SA-HT995GCS / SA-HT995GS IC8051 IC8001 C3ABPG000133 MN2DS0009AP 64M SDRAM DV3.2 LSI DAC4 OUT DAC5 OUT Y/PY/G Y/PY/G DAC1 OUT CB/PB/B CB/PB/B DAC2 OUT MEMORY MEMORY CR/PR/R CR/PR/R ADDRESS ADDRESS DAC3 OUT 12bit 12bit SR CK LR CK AD OUT0...
  • Page 63 SA-HT995GC / SA-HT995GCS / SA-HT995GS TUNER PACK AM ANT FM ANT IC2801 C9ZB00000461 VIDEO DRIVE IC2802 MIXER IF AMP C1AB00001731 VIDEO BUFFER COIL COIL RF AMP BIAS BUFFER Y/PY/G CY IN 12 MHz CY OUT JK2001 CLAMP Y(RED) CY SAG...
  • Page 64 SA-HT995GC / SA-HT995GCS / SA-HT995GS TUNER L(R) IC2104, IC2205 C0ABCB000052 OPERATIONAL AMP IC2102 IC2301 C1BB00001098 ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE) C0JBAR000326 SWITCHING IC8421 C0FBBK000050 Q2305,2306 100(99) Q2303, 2304 24 BIT AUDIO DIGITAL TO ANALOG CONVERTER BUFFER INL5 88(87) (INR5) TONE...
  • Page 65 SA-HT995GC / SA-HT995GCS / SA-HT995GS IC5200 IC5000 C1BA00000407 C1BA00000407 AUDIO DIGITAL POWER AMP AUDIO DIGITAL POWER AMP BOOT1 BOOT1 FRONT L CENTER IN1M RELEASE1 IN1M RELEASE1 DRIVER DRIVER INPUT INPUT HIGH HIGH SWITCH1 MODULATOR SWITCH1 IN1P STAGE MODULATOR IN1P STAGE...
  • Page 66 SA-HT995GC / SA-HT995GCS / SA-HT995GS IC2105 JK6804 C0ABCB000088 F-MORT-LCH MUSICPORT AMP MUSIC PORT 2(6) 1(7) 3(5) CN2003 RF DATA ROLE CHANGE WIRELSS RCH WIRELSS LCH RF PCONT RF PCONT WIRELSS RF LINK LINK RF DET RF DETECT JK6801 PHONES JK5400...
  • Page 67 SA-HT995GC / SA-HT995GCS / SA-HT995GS SIGNAL LINES IC5721 C0DABYY00002 T5721 SWITCHING REGULATOR : MAIN SIGNAL LINE : AM SIGNAL LINE : DVD AUDIO SIGNAL LINE : FM SIGNA L LINE : AM OSC SIGNAL LINE : DVD VIDEO SIGNAL LINE...
  • Page 68 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 69 SA-HT995GC / SA-HT995GCS / SA-HT995GS 19 Schematic Diagram Notes · This schematic diagram may be modified at any time with the development of new technology. Notes: S6800: Tray open / close switch ( Open / Close). S6801: Stop and TUNE mode /FM mode switch ( TUNE MODE/FM MODE).
  • Page 70 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 71 SA-HT995GC / SA-HT995GCS / SA-HT995GS 20 Schematic Diagram 20.1. (A) Optical Pickup Unit & HDMI Module Circuit SCHEMATIC DIAGRAM-1 :+B SIGNAL LINE :CD-DA (AUDIO/VIDEO) SIGNAL LINE OPTICAL PICKUP UNIT CIRCUIT J0JBC0000105 J0JBC0000105 HFM PCB TO ACT GND (IM) RELAY CIRCUIT...
  • Page 72 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-2 HDMI MODULE CIRCUIT (D2) :MAIN SIGNAL LINE :DVD(VIDEO) SIGNAL LINE :DVD(AUDIO) SIGNAL LINE :+B SIGNAL LINE FL8421 F1H0J1050018 FP8101 VGND Y/PY/G LB8303 J0JBC0000042 Y_PY_G VGND CB/PB/B LB8304 J0JBC0000042 CB_PB_B IC3931 VGND C0JBAA000344 IC8691...
  • Page 73 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-3 HDMI MODULE CIRCUIT (D2) :+B SIGNAL LINE IC8601 C0EBA0000029 RESET RX8017 D1H88204A024 MA_3 MA_4 MA_2 MA_5 RX8016 IC8651 D1H88204A024 RFKWMHA02160 (GC/GS) MA_1 RFKWMHA03160 (GCS) MA_6 MA_0 16M FLASHROM MA_7 RX8015 IC8606 D1H88204A024 C0EBE0000455...
  • Page 74 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-4 HDMI MODULE CIRCUIT (D2) :CD-DA SIGNAL LINE :DVD(VIDEO) SIGNAL LINE :DVD(AUDIO) SIGNAL LINE :+B SIGNAL LINE VDD12 LB8001 J0JHC0000045 LB8011 J0JHC0000045 D+3.3V TRCDATA3 TRCDATA2 RX8031 D1H447220001 TRCDATA1 MDQ18 TRCDATA1 TRCDATA0 TRCDATA0 R8041 TRCCLK...
  • Page 75 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-5 HDMI MODULE CIRCUIT (D2) :CD-DA SIGNAL LINE :DVD(VIDEO) SIGNAL LINE :+B SIGNAL LINE DRV0 OSC27M OSC27M R8230 2.2K DRV1 K8325 DAC5OUT R8568 IC8251 Q8562 C0GBG0000048 B1ADGB000008 MOTOR DRIVER R8564 LD DRIVE RX8032 D1H447220001...
  • Page 76 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-6 HDMI MODULE CIRCUIT (UP) :DVD(VIDEO) SIGNAL LINE :+B SIGNAL LINE RX3705 D1H81014A024 CBCROUT_7 CBCROUT_6 CBCROUT_5 CBCROUT_4 RX3704 D1H81014A024 CBCROUT_3 CBCROUT_2 CBCROUT_1 LB3701 J0JHC0000045 CBCROUT_0 RX3703 D1H81014A024 YOUT_7 99 98 97 96 95 94...
  • Page 77 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-7 HDMI MODULE CIRCUIT (HD) :DVD(VIDEO) SIGNAL LINE :DVD(AUDIO) SIGNAL LINE :MAIN SIGNAL LINE :+B SIGNAL LINE CBCROUT_7 I2C_SDA CBCROUT_6 I2C_SCL CBCROUT_5 TXRST CBCROUT_4 CBCROUT_3 CBCROUT_2 CBCROUT_1 CBCROUT_0 LB3902 C3902 J0JHC0000045 4V 330 L3903...
  • Page 78 SA-HT995GC / SA-HT995GCS / SA-HT995GS 20.2. (B) Main Circuit SCHEMATIC DIAGRAM-8 MAIN CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE : AUX SIGNAL LINE : MUSIC PORT SIGNAL LINE : DVD VIDEO SIGNAL LINE : FM /AM SIGNAL LINE CN2001 STATUS...
  • Page 79 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-9 MAIN CIRCUIT :+B SIGNAL LINE R2053 R2051 R2061 R2063 R2066 2.2K RGB_H YC_H R2067 YC_H W2500 0 ASP_CK R2068 ASP_CLK ASP_DA R2069 R2014 ASP_DAT FLD_CLK R2070 R2083 VIDEO_MUTE FLD_CLK VIDEO_MUTE IC2004 FLD_STB R2071...
  • Page 80 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-10 MAIN CIRCUIT :+B SIGNAL LINE : MAIN SIGNAL LINE : AUX SIGNAL LINE : FM /AM SIGNAL LINE : MUSIC PORT SIGNAL LINE :-B SIGNAL LINE C2024 220P W2512 C2023 220P R2307 1.8K C2620 50V10 R2407 1.8K...
  • Page 81 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-11 MAIN CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE : MAIN SIGNAL LINE C2325 R2334 R2333 C2425 R2434 R2433 0.047 0.047 R2335 R2435 W2530 W2532 W2536 W2526 R2188 2.2K FLFIN C2328 R2314 R2315 C2428...
  • Page 82 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-12 MAIN CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE : MAIN SIGNAL LINE : MUSIC PORT SIGNAL LINE : DVD VIDEO SIGNAL LINE Q2912 C2324 0.018P B1BACD000018 R2976 L2910 +12V REGULATOR G0C220JA0055 TUN+9V C2183 1...
  • Page 83 SA-HT995GC / SA-HT995GCS / SA-HT995GS 20.3. (C) Power, AC-inlet & Voltage Selector Circuit SCHEMATIC DIAGRAM-13 POWER(DIGITAL AMP) CIRCUIT : MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE C5002 R5000 R5501 R5505 5.6K 100K IC5500 IN+_FL HOP_DA FRONT FL C0JBAB000011...
  • Page 84 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-14 POWER(DIGITAL AMP) CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE : MAIN SIGNAL LINE IC5200 C1BA00000407 AUDIO DIGITAL POWER AMP IN-_C IN+_C C5215 C5210 C5203 C5205 220P 220P C5218 220P R5210 VDDP IC5400 C1BA00000407...
  • Page 85 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-15 POWER(SMPS) CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE Q5740 R5745 B1BACG000048 0(GC) Q5752 4.7(GCS/GS) FAN MOTOR DRIVE DC_18V B1ABCF000176 C5770 FAN MOTOR DRIVE 1200P Q5742 B1ABCF000176 W5718 R5739 R5767 D5711 FAN MOTOR DRIVE 1.2K...
  • Page 86 SA-HT995GC / SA-HT995GCS / SA-HT995GS SCHEMATIC DIAGRAM-16 POWER(SMPS) CIRCUIT VOLTAGE SELECTOR :+B SIGNAL LINE S5000 VOLTAGE SELECTOR D5701 TH5702 B0FBAR000018 D4CAC8R00002 SBLU 110-127V D5707 D5705 220-240V B0BC035A0007 B0EAMM000057 R5707 R5706 Q5701 D5702 2SC3940ARA B0ZAZ0000052 L5704 CURRENT LIMMITTING Q5747 ELF22V020C AC-INLET CIRCUIT...
  • Page 87 SA-HT995GC / SA-HT995GCS / SA-HT995GS 20.4. (D) FL, Top Button, Tuner Extent, Tray Loading, Mic, Music Port & Relay Circuit SCHEMATIC DIAGRAM-17 FL CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE : MAIN SIGNAL LINE FL6901 A2BD00000160 FL DISPLAY 2 3 4 5 6 7 8 9 10 11...
  • Page 88 KEY1 R6949 L6904 DAP_LCH J0JBC0000019 DAP_GND(AGND) DAP_RCH DAP_GND(ANG) MAIN R6948 D6900 R6905 DGND CIRCUIT B3AAA0000803 (CN2006) ON W6901 STBLED W601 SCHEMATIC VREF W6904 DIAGRAM- 12 W6910 W6906 W6999 SW5V W602 SA-HT995GC/GS/GCS TUNER EXTENT/ MUSIC PORT/ TRAY LOADING/ MIC/ RELAY CIRCUIT...
  • Page 89 SA-HT995GC / SA-HT995GCS / SA-HT995GS 21 Printed Circuit Board 21.1. (A) HDMI Module P.C.B. HDMI MODULE P.C.B. (REP4034D...GC/GS,REP4034E...GCS) FP3902 FP8101 C8424 FL8104 FL8102 1 2 3 4 5 6 FL8421 C8423 C8421 LB8692 IC8695 IC8151 C8055 QR8420 2 3 4 5...
  • Page 90 SA-HT995GC / SA-HT995GCS / SA-HT995GS 21.2. (B) Main/Power P.C.B. MAIN/POWER P.C.B. (REPX0524A...GC/GS,REPX0524C...GCS) PC5701 IC5702 D5703 LB5704 CN5711 R5763 R5708 C5761 1 2 3 4 IC5701 D5704 R5703 C5720 R5704 R5713 D5706 W5730 Q5752 D5702 R5767 Q5747 L5501 CA A CA...
  • Page 91 S6805 S6800 C6923 C6918 (FORWARD) W6904 JK6804 (REVERSE) (OPEN/CLOSE) R6934 W601 W6903 W6902 W602 R6829 0479A-2 0479A-2 R6926 R6927 D6900 S6807 C6922 Z6900 (WIDE SURR) R6928 CN6902 R6925 H6902 S6806 (POWER) SENSOR MUSIC PORT SA-HT995GC/GCS/GS TUNER EXTENT/AC-INLET/FL/MUSIC PORT/TOP BUTTON P.C.B.
  • Page 92 SA-HT995GC / SA-HT995GCS / SA-HT995GS 21.4. (D) Mic, Tray Loading, Voltage Selector & Relay P.C.B. MIC P.C.B. (REPX0539A) TRAY LOADING P.C.B. (REP3288B) IC904 (LOADING MOTOR) C6703 R6710 R6709 R6706 H6903 R6702 W6701 S902 C6702 R6705 CS901 (OPEN SW) IC2204 S901...
  • Page 93 SA-HT995GC / SA-HT995GCS / SA-HT995GS 22 Basic Troubleshooting Guide 22.1. Basic Troubleshooting Guide for Traverse Unit (HDMI Module P.C.B) Problems Checking Points Checking components 1) Distorted picture or abnormal a) Check SDRAM address, data bus, CLK and IC8051 sound is heard during initialisation...
  • Page 94 SA-HT995GC / SA-HT995GCS / SA-HT995GS 22.2. Basic Troubleshooting Guide for HDMI AV output Problems Checking Points Checking components 1) TV does not have display. Set 1) Check setting of the set in Setup Menu whether FL display shows U702 / U703.
  • Page 95 SA-HT995GC / SA-HT995GCS / SA-HT995GS 23 Overall Block (HT995)
  • Page 96 SA-HT995GC / SA-HT995GCS / SA-HT995GS 23.1. HT995 DVD Unit Block...
  • Page 97 SA-HT995GC / SA-HT995GCS / SA-HT995GS 23.2. HT995 Block (Analog Signal : DVD 5.1ch Play Back Mode)
  • Page 98 SA-HT995GC / SA-HT995GCS / SA-HT995GS 23.3. HT995 Block (Analog Signal : 2ch Analog Input Mode)
  • Page 99 SA-HT995GC / SA-HT995GCS / SA-HT995GS 23.4. HT995 Power Supply Block...
  • Page 100 SA-HT995GC / SA-HT995GCS / SA-HT995GS 23.5. HT995 Power Block (SMPS)
  • Page 101 SA-HT995GC / SA-HT995GCS / SA-HT995GS 24 Terminal Function of ICs 24.1. IC2018 (C2CBYY000196): Terminal Name Function Micro-processor IC 58 N.C No connection 59 N.C No connection Terminal Name Function 60 N.C No connection 61 OPT-EN Optical enable 1 TRAY_ Loading mechanism close SW ( L: SW 62 VCC Power supply 5.0V...
  • Page 102 SA-HT995GC / SA-HT995GCS / SA-HT995GS 25 Exploded Views 25.1. Cabinet Parts Location...
  • Page 103 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 104 SA-HT995GC / SA-HT995GCS / SA-HT995GS...
  • Page 105 SA-HT995GC / SA-HT995GCS / SA-HT995GS 25.2. Packaging...
  • Page 106 SA-HT995GC / SA-HT995GCS / SA-HT995GS 26 Replacement Parts List Notes: *Important safety notice: Components identified by mark have special characteristics important for safety purpose. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc. are used.
  • Page 107 SA-HT995GC / SA-HT995GCS / SA-HT995GS 26.1. Component Parts List Ref. Part No. Part Name & Description Remarks RMM0247 DRIVE RACK Ref. Part No. Part Name & Description Remarks RMM0248 SUB RACK RMC0387 SUPPORT SPRING CABINET AND CHASSIS RMR1446-X CLAMPER XTN26+6GFJ...
  • Page 108 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC3701 MN864701 IC HDMI TRANSMITTER Q5704 B1ABCF000176 TRANSISTOR IC3782 C0CBCAD00082 IC POWER SUPPLY Q5705 B1ABCF000176 TRANSISTOR IC3901 C1AB00002239 HDMI...
  • Page 109 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D5726 B0EAMM000057 DIODE D5740 B0BC01200019 DIODE VARIABLE RESISTORS D5741 B0EAMM000057 DIODE D5743 B0ACCK000005 DIODE VR6081 EVUE27FK3B53 VR MIC LEVEL...
  • Page 110 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks COILS & TRANSFORMERS FUSE L2008 G0C3R3JA0027 COIL L2009 G0C220JA0055 COIL K5D632BNA005 FUSE L2801 G0C220JA0055 COIL L2802 J0JBC0000015 CHIP INDUCTOR...
  • Page 111 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2027 ERJ3GEYJ221V 220 1/16W R2097 ERJ3GEYJ472V 4.7K 1/16W R2029 ERJ3GEYJ221V 220 1/16W R2098 ERJ3GEYJ225V 2.2M 1/16W R2030 ERJ3GEYJ221V 220 1/16W...
  • Page 112 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2313 ERJ3GEYJ223V 22K 1/16W R2609 ERJ3GEYJ152V 1.5K 1/16W R2314 ERJ3GEYJ103V 10K 1/16W R2610 ERJ3GEYJ393V 39K 1/16W R2315 ERJ3GEYJ103V 10K 1/16W...
  • Page 113 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3911 ERJ2GEJ102X 1K 2W R5508 ERJ3GEYJ104V 100K 1/16W R3912 ERJ2GEJ472X 4.7K 2W R5509 ERJ3GEY0R00V 0 1/16W R3921 ERJ2GE0R00X 0 2W...
  • Page 114 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5797 ERJ3GEYJ123V 12K 1/16W R8325 ERJ3RED680V 68 3W R5798 ERG2SJ470E 47 2W R8326 ERJ3GEY0R00V 0 1/16W R5799 ERG2SJ470E 47 2W...
  • Page 115 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks ERJ3GEY0R00V CHIP RESISTOR W5739 ERJ6GEY0R00V CHIP RESISTOR ERJ3GEY0R00V CHIP RESISTOR W5743 ERJ6GEY0R00V CHIP RESISTOR W601 ERJ3GEY0R00V CHIP RESISTOR W5746...
  • Page 116 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks W6966 ERJ6GEY0R00V CHIP RESISTOR C2023 ECJ1VB1H221K 220P 50V W6967 ERJ6GEY0R00V CHIP RESISTOR C2024 ECJ1VB1H221K 220P 50V W6968 ERJ6GEY0R00V CHIP RESISTOR...
  • Page 117 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2306 ECJ1VB1A154K 0.15 10V C2807 ECJ1VB1H103K 0.01 50V C2307 ECJ1VB0J105K 1 6.3V C2808 ECA1AM221B 220 10V C2308 ECJ1VB1A105K 1 10V...
  • Page 118 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C3719 ECJ1VB0J105K 1 6.3V C5121 ECJ1VB1H104K 0.1 50V C3720 ECJ0EB1A104K 0.1 10V C5133 ECEA1HN470UB 47 50V C3721 ECJ0EB1A104K 0.1 10V...
  • Page 119 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5403 ECJ1VB1H104K 0.1 50V C5748 ECJ1VB1H104K 0.1 50V C5404 ECJ1VB1H331K 330P 50V C5749 ECJ1VB1H104K 0.1 50V C5405 ECJ1VB1H104K 0.1 50V...
  • Page 120 SA-HT995GC / SA-HT995GCS / SA-HT995GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C8020 ECJ0EF1C104Z 0.1 16V C8528 ECJ1VB0J105K 1 6.3V C8021 ECJ0EF1C104Z 0.1 16V C8529 ECJ1VB0J105K 1 6.3V C8022 ECJ0EF1C104Z 0.1 16V...

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