Panasonic SA-HT940PC Service Manual
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Panasonic SA-HT940PC Service Manual

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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%
lActive subwoofers:
FTC Output Power: Dolby Digital Mode:
lTotal FTC Dolby Digital mode Power:
At 120Hz-20kHz and total harmonic of 1%
lFront:
AC 120V, 60Hz
150 W
430×70×439.2 mm
(16-15/16"×2-3/4"×17-19/64")
5 kg (11.02Ibs)
1200 W
190 W/ Channel (8Ω)
320 W/ Channel (4Ω)
90 W/ Channel (4Ω)
320 W/ Channel (4Ω)
860 W
120 W/ Channel (8Ω)
DVD Home Theater Sound System
SA-HT940P
SA-HT940PC
Colour
(S).......................Silver Type
lCenter:
lSurround:
At 45Hz-120Hz 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
1000kHz:
lPhone Jack:
Terminal:
lFront M. Port:
© 2006 Panasonic AVC Networks Singapore Pte.
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER NO.MD0603057C1
A6
250 W/ Channel (4Ω)
60 W/ Channel (4Ω)
250 W/ Channel (4Ω)
FM 15 stations
AM/ MW 15 stations
87.9-107.9MHz
(200kHz in step)
87.5-108.0MHz
(100kHz in step)
2.5µV (IHF)
2.2µV
75Ω (unbalanced)
520-1710kHz (10kHz in step)
560µV/m
Stereo 3.5 mm (1/8") jack

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Summary of Contents for Panasonic SA-HT940PC

  • Page 1: Specifications

    At 120Hz-20kHz and total harmonic of 1% Terminal: Stereo 3.5 mm (1/8”) jack lFront: 120 W/ Channel (8Ω) lFront M. Port: © 2006 Panasonic AVC Networks Singapore Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 SA-HT940P / SA-HT940PC Sensitivity: 100mV (4.7kΩ) S-video output: 1 Vp-p (75 Ω) Terminal (Input): Stereo 3.5 mm (1/8”) jack Y output level: NTSC; 0.286 Vp-p (75 Ω) lDisc section C output level: Discs played [8 cm (3”) or 12 cm (5”)]:...

  • Page 3: Table Of Contents

    SA-HT940P / SA-HT940PC CONTENTS Page Page 1 Safety Precautions 9.4. Sales Demonstration Lock Function 1.1. GENERAL GUIDELINES 9.5. Service Precautions 1.2. Before Repair and Adjustment 10 Assembling and Disassembling 1.3. Protection Circuitry 10.1. Disassembly Flow Chart 2 Prevention of Electro Static Discharge (ESD) to 10.2.
  • Page 4 SA-HT940P / SA-HT940PC 11 Service Fixture and Tools 19.4. (C) FL and Headphone Circuit 12 Service Positions 19.5. (D) Loading Motor, Tray Motor, Sensor and Regulator 12.1. Checking & Repair Main P.C.B., Power P.C.B., HDMI Circuit Module P.C.B., FL and Head phone P.C.B.

  • Page 5: Safety Precautions

    SA-HT940P / SA-HT940PC 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: Protection Circuitry

    SA-HT940P / SA-HT940PC 1.2.1. Caution for fuse replacement 1.3. Protection Circuitry The protection circuitry may have operated if either of the following conditions are noticed: · No sound is heard when the power is turned on. · Sound stops during a performance.
  • Page 7 SA-HT940P / SA-HT940PC...

  • Page 8: Precaution Of Laser Diode

    SA-HT940P / SA-HT940PC 3 Precaution of Laser Diode CAUTION: This unit utilizes a class 1 laser. Invisible laser radiation is emitted from the optical pickup lens. Wavelength: 662nm(DVD)/785nm(CD). Maximum output radiation power from pickup: 100µW/VDE When the unit is turned on: 1.

  • Page 9: Handling Precautions For Traverse Unit

    SA-HT940P / SA-HT940PC 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 10 SA-HT940P / SA-HT940PC...

  • Page 11: Accessories

    SA-HT940P / SA-HT940PC 6 Accessories AC cord Remote control Speaker cable AM loop antenna Screw FM indoor antenna Speaker label Video Cable...

  • Page 12: Operation Procedures

    SA-HT940P / SA-HT940PC 7 Operation Procedures 7.1. Remote Control Keys Operation Television operations Change the television's video input mode VIDEO Turn the unit on/off Adjust the television volume VOLUME Select the source EXT-IN DVD/CD, FM/AM, TV/AUX/ FRONT MUSIC P./REAR MUSIC P.

  • Page 13: Main Unit Keys Operation

    SA-HT940P / SA-HT940PC 7.2. Main Unit Keys Operation Standby/on switch [POWER Press to switch the unit from on to standby mode OPEN/CLOSE or vice versa. In standby mode, the unit is still consuming a small amount of power. Open/Close the disc drawer...

  • Page 14: Disc Information

    Recorded with devices using Version 1.1 of the Video Recording Format (a unified video recording standard), such as DVD video recorders, DVD video cameras, personal computers, etc. JPEG Recorded with Panasonic SD multi cameras or DVD video recorders using the DCF (Design rule for Camera File System) Standard Version 1.0. DVD-R...
  • Page 15 SA-HT940P / SA-HT940PC 7.3.2. File Extension Type Support (WMA/JPEG/MP3)

  • Page 16: New Features

    SA-HT940P / SA-HT940PC 8 New Features 8.1. Using of Receiver Unit (SH-FX60 / SH-FX80) · This model can be equipped with the digital transmitter and receiver to enjoy surround sound wirelessly.. 8.1.1. Below is tips on using the digital receiver (SE-FX60)
  • Page 17 SA-HT940P / SA-HT940PC 8.1.2. Tips on using digital transmitter (SH-FX60T)
  • Page 18 SA-HT940P / SA-HT940PC 8.1.3. Below is tips on using digital receiver (SE-FX80)
  • Page 19 SA-HT940P / SA-HT940PC 8.1.4. Tips on using digital transmitter (SH-FX80T)

  • Page 20: About Hdmi

    SA-HT940P / SA-HT940PC 8.2. About HDMI 8.2.1. What is HDMI? 8.2.2. Advanced Digital Pictures...
  • Page 21 SA-HT940P / SA-HT940PC 8.2.3. Advanced Digital Sound 8.2.4. Easy to Use 8.2.5. HDMI Compatible Products...

  • Page 22: Self-Diagnosis And Special Mode Setting

    SA-HT940P / SA-HT940PC 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: Player buttons...
  • Page 23 SA-HT940P / SA-HT940PC 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" button on the cycle of one second.
  • Page 24 SA-HT940P / SA-HT940PC Item Key Operation FL Display Mode Name Description Front Key Micro-processor Micro-processor firmware version In STOP (no disc) display & EEPROM checksum display. firmware version mode, press STOP button display & EEPROM checksum is only available on the player, and "7"...
  • Page 25 SA-HT940P / SA-HT940PC Item Key Operation FL Display Mode Name Description Front Key In STOP (no disc) Timer 1 check Timer 1 check mode, press STOP button Laser operation timer Operation time is on the player, and " " measured separately for DVD laser button on the remote and CD laser.
  • Page 26 SA-HT940P / SA-HT940PC...

  • Page 27: Dvd Self Diagnostic Function-Error Code

    SA-HT940P / SA-HT940PC 9.3. DVD Self Diagnostic Function-Error Code 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. Tray loading error /...
  • Page 28 SA-HT940P / SA-HT940PC Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F600 Access failure to Operation stopped because navigation Press [ n STOP] on main management information data is not accessible caused by the unit for next error...

  • Page 29: Sales Demonstration Lock Function

    SA-HT940P / SA-HT940PC Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F893 FLASH ROM IC problem FLASH ROM IC installed is not operating Press [ n STOP] on main properly (Neccessary replacement of unit for next error...

  • Page 30: Service Precautions

    SA-HT940P / SA-HT940PC power cable from power outlet does not cancel the lock.) 9.5. Service Precautions 9.5.1. Recovery after the DVD player is repaired · When the IC or HDMI module P.C.B. is replaced, carry out the recovery processing to optimize the drive.

  • Page 31: Assembling And Disassembling

    SA-HT940P / SA-HT940PC 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 32: Disassembly Flow Chart

    SA-HT940P / SA-HT940PC 10.1. Disassembly Flow Chart...

  • Page 33: Main Components And P.c.b. Locations

    SA-HT940P / SA-HT940PC 10.2. Main Components and P.C.B. Locations...

  • Page 34: Disassembling The Top Cabinet

    SA-HT940P / SA-HT940PC 10.3. Disassembling the Top Cabinet Step 1 Remove 7 screws. Step 2 Remove the top cabinet in the direction of arrow. 10.4. Disassembling the Front Panel Assembly Step 5 Detach the FFC cables from connectors (CN5705, CN5707 & CN2013).

  • Page 35: Disassembling The Rear Panel

    SA-HT940P / SA-HT940PC Step 3 Detach FFC cables at connectors ( FP8251 & FP8531). 10.6. Disassembling the Rear Panel · Follow (Step 1) to (Step 2) of Item 10.3. Step 1 Remove 9 screws. Step 2 Detach the FFC cable from connector (CN5704).

  • Page 36: Disassembling The Hdmi Module

    SA-HT940P / SA-HT940PC Step 4 Remove the FL & Head phone P.C.B. 10.11. Disassembling the Main P.C.B. 10.9. Disassembling the HDMI · Follow (Step 1) to (Step 4) of Item 10.6. Module P.C.B. · Follow (Step 1) to (Step 4) of Item 10.7.

  • Page 37: Disassembly Of Digital Amp Ic

    SA-HT940P / SA-HT940PC Note: Refer to the diagrams of Power P.C.B. (Section 19.3) for location of the parts. 10.15. Disassembly of Switch Regulator IC (IC5701) · Follow (Step 1) to (Step 7) of Item 10.12. Step 1 Desolder all pins of IC5701.

  • Page 38: Disassembly Of The Tray Base Guide (L) And Tray Base Guide

    SA-HT940P / SA-HT940PC 10.16. Disassembly of the Tray Base 10.17. Disassembly of the Rotary Guide (L) and Tray Base Guide Tray · Follow (Step 1) to (Step 3) of Item 10.5. · Follow (Step 1) to (Step 3) of Item 10.5.

  • Page 39: Disassembly Of The Traverse Unit

    SA-HT940P / SA-HT940PC 10.17.2. Disassembly of the Close Lock 10.18. Disassembly of the Traverse Gear Unit · Follow (Step 1) to (Step 3) of Item 10.5. · Follow the Item 10.7. Step 1 Remove 1 screw. Step 1 Rotate cam gear anti-clockwise. (Align at position (A) as marking on gear with arrow) Step 2 Flip the base mecha unit in vertical position.

  • Page 40: Disassembly Of Cam Gear

    SA-HT940P / SA-HT940PC Step 2 Remove Drive Gear (A) and Drive Gear (B). Step 3 Release the 2 claws in the direction of arrow (1), and then push the pulley pin in the direction of arrow (2). 10.18.2. Disassembly of the Loading Motor P.C.B.

  • Page 41: Assembly Of Tray Assembly

    SA-HT940P / SA-HT940PC Step 2 Remove 1 screw and support piece. 10.19. Assembly of Tray Assembly Step 1 Rotate cam gear anti-clockwise. Align at position (C) as marking on gear with arrow. 10.18.6. Disassembly of the Slide Plate (L) & (R) and Change Lever Step 1 Press the claw and push the Slide Plate (L) up.
  • Page 42 SA-HT940P / SA-HT940PC Step 3 Push tray assembly to the direction of arrow shown.

  • Page 43: Service Fixture And Tools

    SA-HT940P / SA-HT940PC 11 Service Fixture and Tools Prepare service tools before proccess service position. Service Tools Loading Motor P.C.B. - Main REEX0633 (11 pin) P.C.B. Sensor P.C.B. - Power P.C.B. REEX0465 (11 pin) 12 Service Positions 12.1. Checking & Repair Main P.C.B., Power P.C.B., HDMI...

  • Page 44: Measurements And Adjustments

    SA-HT940P / SA-HT940PC 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] Confirmation CD test disc...

  • Page 45: Optical Adjustment

    SA-HT940P / SA-HT940PC 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 46: Abbreviations

    SA-HT940P / SA-HT940PC 13.5. Abbreviations INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS A0~UP ADDRESS ERROR TORQUE CONTROL ACLK AUDIO CLOCK ERROR TORQUE CONTROL AD0~UP ADDRESS BUS REFERENCE ADATA AUDIO PES PACKET DATA ENCSEL ENCODER SELECT ADDRESS LATCH ENABLE ETMCLK EXTERNAL M CLOCK (81MHz/40.5MHz)
  • Page 47 SA-HT940P / SA-HT940PC 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 48: Voltage And Waveform Chart

    SA-HT940P / SA-HT940PC 14 Voltage and Waveform Chart 14.1. 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 49 SA-HT940P / SA-HT940PC IC8111 Re f No. MODE CD P LAY IC8151 Re f No. MODE CD P LAY IC8251 Re f No. MODE CD P LAY Re f No. IC8251 MODE CD P LAY Re f No. IC8421 MODE...

  • Page 50: Main P.c.b

    SA-HT940P / SA-HT940PC 14.2. Main P.C.B. Re f No. IC2001 MODE CD P LAY S TANDBY IC2001 Re f No. MODE CD P LAY S TANDBY IC2001 Re f No. MODE CD P LAY S TANDBY IC2001 Re f No.
  • Page 51 SA-HT940P / SA-HT940PC Q2001 Q2003 Q2006 Q2095 Q2096 Re f No. MODE CD P LAY S TANDBY Q2097 Q2098 Q2101 Q2201 Re f No. MODE CD P LAY -4.7 -0.1 -4.7 -0.1 -4.7 -0.1 S TANDBY Q2303 Q2306 Q2307 Re f No.

  • Page 52: Power P.c.b

    SA-HT940P / SA-HT940PC 14.3. Power P.C.B. IC5001 Re f No. MODE CD P LAY 11.8 11.9 S TANDBY 11.8 11.9 IC5001 Re f No. MODE CD P LAY 12.0 56.5 56.5 -3.1 S TANDBY 12.0 56.5 56.5 -3.1 IC5001 Re f No.

  • Page 53: Loading Motor P.c.b., Tray Motor P.c.b., Sensor P.c.b

    SA-HT940P / SA-HT940PC 14.5. Loading Motor P.C.B., Tray Motor P.C.B., Sensor P.C.B. & Regulator P.C.B. Loading Motor P.C.B. Re f No. Q9001 MODE CD P LAY S TANDBY Tray Motor P.C.B. Q9101 Q9102 Re f No. MODE CD P LAY S TANDBY -0.2...

  • Page 54: Waveform Chart

    SA-HT940P / SA-HT940PC 14.6. Waveform Chart WF No. IC2001-12 (PLAY) WF No. IC2102-20 (PLAY) WF No. IC2102-30 (PLAY) WF No. IC2103-7 (PLAY) 5.4Vp-p(100nsec/div) 0.1Vp-p(500usec/div) 4.4Vp-p(5msec/div) 1.2Vp-p(500usec/div) WF No. IC2801-4 (PLAY) WF No. IC2801-8 (PLAY) WF No. IC2801-11 (PLAY) WF No. IC2801-13 (PLAY) 0.7Vp-p(2msec/div)

  • Page 55: Illustration Of Ic's, Transistors And Diodes

    SA-HT940P / SA-HT940PC 15 Illustration of IC's, Transistors and Diodes C0HBB0000057 (44p) RFKWMHA0L160 C0ABBB000067 (8p) C0JBAB000472 (14p) C0JBAR000326 (16p) C1AB00002239 (80p) C0ABBA000163 (10p) C3ABPG000133 (54p) C0ABCB000088 (14p) C1BB00001098 (100p) C3EBGC000055 (8p) MN101C49GHH (100p) C0ABCB000052 (14p) C3EBEG000073 (8p) C0CBCAD00082 (8p) MN2DS0009AP (256p) No.1...
  • Page 56 SA-HT940P / SA-HT940PC...

  • Page 57: Wiring Connection Diagram

    SA-HT940P / SA-HT940PC 16 Wiring Connection Diagram JK6802 TO FAN TO FAN UNIT H6901 UNIT FL P.C.B. CN6902 1 2 3 RED BLK CN5714 MUSIC PORT CN5711 VOLUME 1 2 3 CN5704 CN5706 VR6800 P5701 JK6801 AC-IN AC-INLET P.C.B. CN6901 120V 60HZ POWER P.C.B.
  • Page 58 SA-HT940P / SA-HT940PC...

  • Page 59: Block Diagram

    SA-HT940P / SA-HT940PC 17 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 VIN6 OPIN+...
  • Page 60 SA-HT940P / SA-HT940PC 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 MA10...
  • Page 61 SA-HT940P / SA-HT940PC TUNER PACK AM ANT FM ANT MIXER IF AMP COIL COIL RF AMP IC2801 C9ZB00000461 BUFFER VIDEO BUFFER (FM) BIAS Y/PY/G CY IN 12 MHz CY OUT JK2001 Y(RED) CLAMP CY SAG TUN L CB/PB/B CB IN...
  • Page 62 SA-HT940P / SA-HT940PC IC2104, IC2205 C0ABCB000052 OPERATIONAL AMP IC2301 IC2102 C0JBAR000326 C1BB00001098 IC8421 SWITCHING ASP(INPUT SELECT/DIGITAL SOUND PROCESSOR/ELECTRONIC VOLUME/TONE) C0FBBK000050 Q2303,2306 Q2303 24 BIT AUDIO DIGITAL TO ANALOG CONVERTER BUFFER INL5 88(87) (INR5) TONE INL4 (INR4) SRCK 90(89) JK2001 INL3...
  • Page 63 SA-HT940P / SA-HT940PC IC2906 IC2105-(1) C0JBAR000326 C0ABCB000088 F-MORT-LCH JK6802 MUSIC PORT MUSIC PORT AMP MUSIC PORT SELECTOR 2(6) 1(12) 4(5) 3(12) 14(13) 1(14) 3(10) 15(11) 2(13) CTRL CN2003 ROLE CHG MASTER/SLAVE WIRELSS RCH WIRELSS LCH RF PCONT VM MUTE WIRELSS...
  • Page 64 SA-HT940P / SA-HT940PC SIGNAL LINES IC5721 C0DABYY00002 T5721 SWITCHING REGULATOR : MAIN SIGNAL LINE : AM SIGNAL LINE : DVD AUDIO SIGNAL LINE Q5752 : FM SIGNA L LINE : AM OSC SIGNAL LINE : DVD VIDEO SIGNAL LINE Q5706,D5713...

  • Page 65: Schematic Diagram (Notes)

    SA-HT940P / SA-HT940PC 18 Schematic Diagram Ground the soldering iron. Put a conductive mat on the work table. (Notes) Do not touch the legs of IC or LSI with the fingers directly. · This schematic diagram may be modified at any time with the development of new technology.
  • Page 66 SA-HT940P / SA-HT940PC...

  • Page 67: Schematic Diagram

    SA-HT940P / SA-HT940PC 19 Schematic Diagram 19.1. (A) HDMI Module Circuit SCHEMATIC DIAGRAM-1 HDMI MODULE CIRCUIT (D2) :DVD(AUDIO) SIGNAL LINE :+B SIGNAL LINE :MAIN SIGNAL LINE :DVD(VIDEO) SIGNAL LINE OPTICAL PICKUP UNIT CIRCUIT FL8421 F1H0J1050018 FP8101 J0JBC0000105 VGND Y/PY/G LB8303...
  • Page 68 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-2 HDMI MODULE CIRCUIT (D2) :+B SIGNAL LINE IC8601 C0EBA0000029 IC8691 RESET C0JBAA000346 AND GATE LB8690 RX8017 D1H88204A024 J0JBC0000044 MA_3 MA_4 MA_2 MA_5 IC8651 RX8016 D1H88204A024 RFKWMHA0L160 MA_1 16M FLASH ROM MA_6 MA_0 MA_7 IC8606 RX8015...
  • Page 69 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-3 HDMI MODULE CIRCUIT (D2) :CD-DA SIGNAL LINE :DVD(VIDEO) SIGNAL LINE :DVD(AUDIO) SIGNAL LINE :+B SIGNAL LINE LB8001 J0JHC0000045 VDD12 D+3.3V LB8011 J0JHC0000045 TRCDATA3 TRCDATA2 RX8031 D1H447220001 TRCDATA1 MDQ18 TRCDATA1 TRCDATA0 TRCDATA0 TRCCLK R8041 VDD33 TRCCLK...
  • Page 70 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-4 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 Q8561 BIAS1...
  • Page 71 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-5 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 92 91 90 89 88 87 86 85 84 83...
  • Page 72 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-6 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 330P L3903 J0MAB0000170 P3901 D+2.7V...

  • Page 73: Bmain Circuit

    SA-HT940P / SA-HT940PC 19.2. (B) Main Circuit SCHEMATIC DIAGRAM-7 MAIN CIRCUIT :MAIN SIGNAL LINE :MUSIC PORT SIGNAL LINE :FM/AM SIGNAL LINE :DVD(VIDEO) SIGNAL LINE :AUX SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE CN2001 Q2098 STATUS DVD_STA CN2003 B1GBCFJN0033 IDSET...
  • Page 74 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-8 MAIN CIRCUIT :+B SIGNAL LINE R2980 R2979 R2978 R2977 R2993 R2065 IC2004 R2066 100K (NOT SUPPLIED) R2068 EEPROM C2013 0.022 HP_MUTE MUTE_HP R2048 ASP_CK ASP_CK R2052 ASP_DA ASP_DA R2952 MPORT_DET RMPORT_DET R2953 ROLE_CHG CHG_DIR(ROLE_CH) DC_DET...
  • Page 75 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-9 MAIN CIRCUIT : AUX SIGNAL LINE : MUSIC PORT SIGNAL LINE : MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE C2024 220P C2023 220P C2028 C2027 0.1 R2090 C2026 16V10 Q2095 B1GDCFJJ0047 R2606 R2631...
  • Page 76 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-10 MAIN CIRCUIT : MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE C2325 R2334 R2333 C2425 R2434 R2433 0.047 0.047 R2335 R2435 R2188 4.7K FLFIN C2328 R2314 R2315 C2428 R2414 R2415 C2177 R2175 R2176 R2177...
  • Page 77 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-11 MAIN CIRCUIT : MUSIC PORT SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE : MAIN SIGNAL LINE CN2011 R2185 4.7K C2183 50V3.3 FRONT L FLOUT M+9V AGND C2283 50V3.3 R2285 4.7K FROUT FRONT R L2905...

  • Page 78: C) Power, Ac-Inlet And Sub Power Circuit

    SA-HT940P / SA-HT940PC 19.3. (C) Power, AC-inlet and Sub power Circuit SCHEMATIC DIAGRAM-12 POWER(DAMP) CIRCUIT : MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE +50V +30_VDD +30_VDD PGND_30 PGND_30 -30_VDD -30_VDD IC5001 RSN704D66-P DIGITAL POWER AMP L5300 LB5071 G0B9R5K00001...
  • Page 79 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-13 POWER(SMPS) CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE Q5741 Q5740 B1BACG000048 B1ABCF000011 D5711 D5717 FAN MOTOR DRIVE FAN MOTOR DRIVE B0HBSM000043 B0HBSM000043 R5798 Q5742 D5707 D5705 D5773 R5739 R5748 B1ABCF000011 B0BC035A0007 B0EAMM000057 B0BC6R700006 R5707 R5706...
  • Page 80 SA-HT940P / SA-HT940PC SCHEMATIC DIAGRAM-14 POWER(SMPS) CIRCUIT AC-INLET CIRCUIT SUB POWER CIRCUIT : MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE D5701 B0FBAR000018 CN5709 CN5707 L5701 CN5712 J0MBA0000013 P5701 KEY1 KEY1 125V 8A AC120V VSSGND DGND ZA5702 ZA5701 VREF...

  • Page 81: C) Fl And Headphone Circuit

    SA-HT940P / SA-HT940PC 19.4. (C) FL and Headphone Circuit SCHEMATIC DIAGRAM-15 FL CIRCUIT HEADPHONE CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE MUSIC PORT SIGNAL LINE : MAIN SIGNAL LINE FL6901 A2BD00000160 FL DISPLAY CN6901 DGND KEY2 JOG_LED 2 3 4 5 6 7 8 9 10 11...

  • Page 82: D) Loading Motor, Tray Motor, Sensor And Regulator Circuit

    SA-HT940P / SA-HT940PC 19.5. (D) Loading Motor, Tray Motor, Sensor and Regulator Circuit SCHEMATIC DIAGRAM-16 LOADING MOTOR CIRCUIT REGULATOR CIRCUIT IC2902 CN9003 C0DAZYY00001 DGND +9 REGULATOR LOADINGMOTOR+ Q9001 B3NAA0000068 LOADING MOTOR DGND H2902 PHOTO INTERRUPTOR LOADINGMOTOR- MAIN C2904 DGND CIRCUIT...

  • Page 83: Printed Circuit Board

    SA-HT940P / SA-HT940PC 20 Printed Circuit Board 20.1. (A) HDMI Module P.C.B. HDMI MODULE P.C.B. (REP4034B) FP3902 FP8101 C8424 FL8104 FL8102 1 2 3 4 5 6 C8423 C8421 LB8692 IC8151 C8055 IC8695 QR8420 2 3 4 5 C8422 C8427...

  • Page 84: B) Main P.c.b., Ac-Inlet P.c.b. & Sub Power P.c.b

    SA-HT940P / SA-HT940PC 20.2. (B) Main P.C.B., AC-Inlet P.C.B. & Sub Power P.C.B MAIN P.C.B. (REPX0505A) H2010 CN2007 Q2097 CN2012 CN2011 Q2911 Q2913 Q2303 Q2096 R2961 R2962 R2964 R2968 W2908 R2082 R2071 W2139 R2323 W2342 9 10 11 12 Q2914...

  • Page 85: C) Power

    SA-HT940P / SA-HT940PC 20.3. (C) Power P.C.B. POWER P.C.B. (REPX0540A) IC5702 CN5714 C5712 Q5701 PC5701 R5793 R5766 R5709 R5708 Q5002 TO FAN D5708 R5797 D5706 R5740 CN5711 C5702 C5761 ZJ5702 Q5001 R5729 R5768 D5753 R5021 C5720 R5713 W4215 W4116 Q5704...

  • Page 86: E) Fl, Headphone, Loading Motor, Tray Motor, Sensor

    SA-HT940P / SA-HT940PC 20.4. (E) FL, Headphone, Loading Motor, Tray Motor, Sensor & Regulator P.C.B. FL P.C.B. (REPX0540A) CN6902 W6948 0474A-3 0474A-3 R6956 W6926 R6922 W6900 W6902 Q6902 C6911 C6903 C6904 R6952 R6953 R6954 R6955 W6946 W6947 R6949 L6905 W6901...

  • Page 87: Basic Troubleshooting Guide

    SA-HT940P / SA-HT940PC 21 Basic Troubleshooting Guide 21.1. 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 88: Basic Troubleshooting Guide For Hdmi Av Output

    SA-HT940P / SA-HT940PC 21.2. 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. HDMI video output is turned ON.

  • Page 89: Overall Block Diagram For Ht940

    SA-HT940P / SA-HT940PC 22 Overall Block Diagram for HT940...

  • Page 90: Ht940 Dvd Unit Block Diagram

    SA-HT940P / SA-HT940PC 22.1. HT940 DVD Unit Block Diagram...

  • Page 91: Ht940 Block Diagram (Analog Signal)

    SA-HT940P / SA-HT940PC 22.2. HT940 Block Diagram (Analog Signal)

  • Page 92: Ht940 Block Diagram (Analog Signal)

    SA-HT940P / SA-HT940PC 22.3. HT940 Block Diagram (Analog Signal)

  • Page 93: Ht940 Power Supply Block Diagram

    SA-HT940P / SA-HT940PC 22.4. HT940 Power Supply Block Diagram...

  • Page 94: Ht940 Power Block Diagram (Smps)

    SA-HT940P / SA-HT940PC 22.5. HT940 Power Block Diagram (SMPS)

  • Page 95: Terminal Function Of Ics

    SA-HT940P / SA-HT940PC 23 Terminal Function of ICs 23.1. IC2001 (MN101C49GHH): Terminal Name Function Operation CPU 49 ASP_CK O ASP clock (R2S15203FP) 50 MUTE_HP O Headphone mute Terminal Name Function 51 MP_SEL O Select front MPort or rear MPort (SELECT_A)

  • Page 96: Exploded Views

    SA-HT940P / SA-HT940PC 24 Exploded Views 24.1. Cabinet Parts Location...
  • Page 97 SA-HT940P / SA-HT940PC...
  • Page 98 SA-HT940P / SA-HT940PC...

  • Page 99: Packaging

    SA-HT940P / SA-HT940PC 24.2. Packaging...

  • Page 100: Replacement Parts List

    SA-HT940P / SA-HT940PC 25 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. When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list.

  • Page 101: Component Parts List

    SA-HT940P / SA-HT940PC 25.1. Component Parts List Ref. Part No. Part Name & Description Remarks RGQ0446-K TRAY BASE Ref. Part No. Part Name & Description Remarks RGQ0359-K1 ROTARY TRAY RMM0254-2 SLIDE PLATE R CABINET AND CHASSIS RMB0842 TRAY SPRING RME0384...
  • Page 102 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC2105 C0ABCB000088 IC MUSIC PORT AMP Q3903 B1CFHA000002 TRANSISTOR IC2205 C0ABCB000052 IC QUAD OP-AMP Q3941 2SD1819A0L TRANSISTOR IC2301 C0JBAR000326 IC 4 CHANNEL SW...
  • Page 103 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D2936 B0ACCK000005 DIODE LB8011 J0JHC0000045 CHIP INDUCTOR D2950 B0BC7R500001 DIODE LB8257 ERJ3GEY0R00V CHIP RESISTOR D2951 B0ADCJ000020 DIODE LB8258 ERJ3GEY0R00V CHIP RESISTOR...
  • Page 104 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks CN5707 K1MN19B00072 19P CONNECTOR L5705 J0JBC0000019 CHIP INDUCTOR CN5708 K1MN30AA0004 30P CONNECTOR L5750 J0JBC0000015 CHIP INDUCTOR CN5709 K1KA14AA0031 14P CONNECTOR L5751...
  • Page 105 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks JK2001 K2HA208B0001 JK COMBO R2043 ERJ3GEYJ104V 100K 1/16W JK5400 K4AC12B00003 JK SPEAKER R2044 ERJ3GEYJ221V 220 1/16W JK6801 K2HC103A0024 JK SMALL SIGN...
  • Page 106 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2194 ERJ3GEYJ273V 27K 1/16W R2403 ERJ3GEYJ472V 4.7K 1/16W R2195 ERJ3GEYJ682V 6.8K 1/16W R2404 ERJ3GEYJ123V 12K 1/16W R2196 ERJ3GEYJ333V 33K 1/16W R2412...
  • Page 107 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2907 ERJ3GEYJ272V 2.7K 1/16W R3941 ERJ2GEJ273X 27K 2W R2908 ERJ3GEYJ561V 560 1/16W R3942 ERJ2GEJ224X 220K 2W R2913 ERG2SJ471E 470 2W R3943...
  • Page 108 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5493 ERJ3GEYJ223V 22K 1/16W R5756 ERJ3GEYJ103V 10K 1/16W R5502 ERJ3GEYJ222V 2.2K 1/16W R5757 ERJ3GEYJ103V 10K 1/16W R5504 ERJ3GEYJ473V 47K 1/16W R5758 ERJ3GEYJ335V 3.3M 1/16W...
  • Page 109 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R6934 ERJ3GEYJ470V 47 1/16W R8564 ERJ2GEJ220X 22 2W R6935 ERJ3GEYJ100V 10 1/16W R8565 ERJ2GEJ2R2X 2.2 2W R6939 ERJ3GEYJ1R0V 1 1/16W R8566...
  • Page 110 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks W2061 ERJ6GEY0R00V CHIP JUMPER W4102 ERJ6GEY0R00V CHIP RESISTOR W2072 ERJ3GEY0R00V CHIP JUMPER W4103 ERJ6GEY0R00V CHIP RESISTOR W2073 ERJ3GEY0R00V CHIP JUMPER W4104...
  • Page 111 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2018 ECEA1CKS470I 47 16V C2287 ECJ1VB1A105K 1 16V C2019 ECEA1CKS470I 47 16V C2288 ECJ1VB1A105K 1 16V C2020 ECJ1VB1H103K 0.01 50V C2290...
  • Page 112 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2802 ECEA0JKS101B 100 6.3V C2956 ECJ1VB1H103K 0.01 50V C2803 ECEA0JKS101B 100 6.3V C2957 ECJ1VB1H103K 0.01 50V C2804 ECEA0JKS101B 100 6.3V C2958 ECJ1VB1H103K 0.01 50V...
  • Page 113 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5020 ECJ1VB1H104K 0.1 50V C5706 ECQU2A224MLC 0.22 100V C5021 F2A1C560B033 56P 16V C5708 ECQE2103KF 0.01 250V C5022 ECA1CAK470XB 47 16V C5709...
  • Page 114 SA-HT940P / SA-HT940PC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C6927 ECJ1VB1C104K 0.1 16V C8502 ECJ0EF1C104Z 0.1 16V C8001 EEE0GA331WP 330P 4V C8503 ECJ0EF1C104Z 0.1 16V C8003 ECJ0EF1C104Z 0.1 16V C8504 ECJ0EF1C104Z 0.1 16V...

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