Panasonic SA-HT740GCP Service Manual
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Panasonic SA-HT740GCP Service Manual

Panasonic SA-HT740GCP 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%
lFront:
lCenter:
AC 110V-127V/ 220V-240V,
50/ 60Hz
155 W
430×70×439.2 mm
5 kg
1000 W
90 W/ Channel (4Ω)
320 W/ Channel (4Ω)
90 W/ Channel (4Ω)
320 W/ Channel (4Ω)
7500W
740 W
65 W/ Channel (4Ω)
240 W/ Channel (4Ω)
DVD Home Theater Sound System
SA-HT740GCP
Colour
(S).......................Silver Type
lSurround:
At 100Hz and total harmonic of 1%
lSubwoofer:
DIN Output Power Stereo Mode
lTotal DIN Stereo mode
Power
At 1kHz and total harmonic of 1%
lFront:
At 100Hz and total harmonic of 1%
lSubwoofer:
lPreset Memory
lFM tuner section (FM)
Frequency Range:
Sensitivity:
S/N 26dB
Antenna Terminals:
lAM tuner section (AM/MW)
Frequency Range:
AM Sensitivity S/N 20dB at
999kHz:
© 2006 Panasonic AVC Networks Singapore Pte.
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER NO.MD0605182C3
65 W/ Channel (4Ω)
240 W/ Channel (4Ω)
360 W
60 W/ Channel (4Ω)
240 W/ Channel (4Ω)
FM 15 stations
AM/ MW 15 stations
87.5-108.0MHz
(50kHz step)
2.5µV (IHF)
2.2µV
75Ω (unbalanced)
522-1629kHz (9kHz step)
520-1630kHz (10kHz step)
560µV/m

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Summary of Contents for Panasonic SA-HT740GCP

  • Page 1: Specifications

    520-1630kHz (10kHz step) 65 W/ Channel (4Ω) lFront: AM Sensitivity S/N 20dB at lCenter: 240 W/ Channel (4Ω) 999kHz: 560µV/m © 2006 Panasonic AVC Networks Singapore Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 SA-HT740GCP 1 Vp-p (75 Ω) lPhone Jack: Output level: Terminal: Stereo 3.5 mm jack Terminal: Pin jack (1 system) lFront M. Port: S-video output: 1 Vp-p (75 Ω) Sensitivity: 100mV (4.7kΩ) Y output level: NTSC; 0.286 Vp-p (75 Ω) Terminal (Input): Stereo 3.5 mm jack...

  • Page 3: Table Of Contents

    SA-HT740GCP CONTENTS Page Page 1 Safety Precautions 9.1. Service Mode Summary Table 1.1. GENERAL GUIDELINES 9.2. Service Mode Table 1.2. Before Repair and Adjustment 9.3. DVD Self Diagnostic Function-Error Code 1.3. Protection Circuitry 9.4. Sales Demonstration Lock Function 2 Prevention of Electro Static Discharge (ESD) to 9.5.
  • Page 4 SA-HT740GCP 10.15. Disassembly of Switch Regulator IC (IC5701) 20.2. (B) Main Circuit 10.16. Disassembly of the Tray Base Guide (L) and Tray Base 20.3. (C) Power, AC-inlet, Sub power & Voltage Selector Circuit Guide (R) 10.17. Disassembly of the Rotary Tray 20.4.

  • Page 5: Safety Precautions

    SA-HT740GCP 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-HT740GCP 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-HT740GCP...

  • Page 8: Precaution Of Laser Diode

    SA-HT740GCP 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. Do not look directly into the pick up lens.

  • Page 9: About Lead Free Solder (Pbf)

    SA-HT740GCP 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: Handling Precautions For Traverse Unit

    SA-HT740GCP 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-HT740GCP...

  • Page 12: Accessories

    SA-HT740GCP 6 Accessories AC cord Remote control AM loop antenna Speaker cable FM indoor antenna Speaker label Video Cable Power plug adaptor Screws...

  • Page 13: Operation Procedures

    SA-HT740GCP 7 Operation Procedures 7.1. Remote Control Key Buttons Operations Television operations Change the television's video input mode VIDEO Turn the unit on/off Adjust the television volume VOLUME Select the source MUSIC DVD/CD, FM/AM, AUX/FRONT MUSIC P./REAR MUSIC P. Select television channels Select disc's title numbers etc./Enter...

  • Page 14: Main Unit Key Buttons Operations (Sa-Ht740)

    SA-HT740GCP 7.2. Main Unit Key Buttons Operations (SA-HT740) 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 Open/Close the disc drawer consuming a small amount of power.

  • Page 15: Disc Information

    Recorded with devices using Version 1.1 of the Video Recording Format (a unified video recording DVD-VR 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 (DVD-Video)
  • Page 16 SA-HT740GCP 7.3.2. File Extension Type Support (WMA/MP3/JPEG) Tips for making data discs When there are more than 8 groups, the eighth group onwards will be displayed on one vertical line in the menu screen. There may be differences in the display order on the menu screen and computer screen.

  • Page 17: New Features

    SA-HT740GCP 8 New Features 8.1. About HDMI 8.1.1. What is HDMI? 8.1.2. Advanced Digital Pictures...
  • Page 18 SA-HT740GCP 8.1.3. Advanced Digital Sound 8.1.4. Easy to Use 8.1.5. HDMI Compatible Products...

  • Page 19: Self-Diagnosis And Special Mode Setting

    SA-HT740GCP 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 Remote control unit buttons...

  • Page 20: Service Mode Table

    SA-HT740GCP 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 21 SA-HT740GCP 9.2.2. Service Mode Table 2 Item Key Operation FL Display Mode Name Description Front Key Micro-processor firmware version Micro-processor In STOP (no disc) firmware version display & EEPROM checksum display. mode, press STOP button display & on the player, and "7"...
  • Page 22 SA-HT740GCP 9.2.3. Service Mode Table 3 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 is measured on the player, and "...
  • Page 23 SA-HT740GCP Note: Press " FL DISPLAY " button on remote control Note: Press " FL DISPLAY " button on remote control unit for next page display unit for next page display...

  • Page 24: Dvd Self Diagnostic Function-Error Code

    SA-HT740GCP 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 25 SA-HT740GCP Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F602 Access failure to LEAD-IN LEAD IN data unreadable Press [ n STOP] on main caused by demodulation unit for next error error F603 Access failure to KEYDET...

  • Page 26: Sales Demonstration Lock Function

    SA-HT740GCP Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F895 Language area Firm version agreement check for factory Press [ n STOP] on main abnormality preset setting failure prevention unit for next error F896 No existence model...
  • Page 27 SA-HT740GCP · Recovery disc (Product number: RFKZD03R005) [SPG] · Performing recovery process 1. Load the recovery disc on to the player and run it. 2. Recovery is performed automatically. When it is finished, a message appears on the screen. 3. Remove the recovery disc.

  • Page 28: Assembling And Disassembling

    SA-HT740GCP 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. 2. Before the disassembly process was carried out, do take special note that all safety precautions are to be carried out.

  • Page 29: Disassembly Flow Chart

    SA-HT740GCP 10.1. Disassembly Flow Chart...

  • Page 30: Main Components And P.c.b. Locations

    SA-HT740GCP 10.2. Main Components and P.C.B. Locations...

  • Page 31: Disassembling The Top Cabinet

    SA-HT740GCP 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 32: Disassembling The Rear Panel

    SA-HT740GCP 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 10 screws. Step 2 Detach the FFC cable from connector (CN5704).

  • Page 33: Disassembling The Hdmi Module P.c.b

    SA-HT740GCP 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 34: Disassembly Of Digital Amp Ic

    SA-HT740GCP Selector P.C.B. Note: Refer to the diagrams of Power P.C.B. (Section 20.3) for location of the parts. 10.15. Disassembly of Switch Caution: Remember to use tie wraps to tie the black/red wires to the side of bottom chassis after repair or Regulator IC (IC5701) troubleshooting.

  • Page 35: Disassembly Of The Tray Base Guide (L) And Tray Base Guide (R)

    SA-HT740GCP 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. Step 1 Remove the 2 screws.

  • Page 36: Disassembly Of The Traverse Unit

    SA-HT740GCP 10.18. Disassembly of the Traverse 10.17.2. Disassembly of the Close Lock 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 37: Disassembly Of Cam Gear

    SA-HT740GCP 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 38: Assembly Of Tray Assembly

    SA-HT740GCP 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 39 SA-HT740GCP Step 3 Push tray assembly to the direction of arrow shown.

  • Page 40: Checking & Repair Main P.c.b., Power P.c.b., Hdmi Module P.c.b., Fl And Head Phone P.c.b

    SA-HT740GCP 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 41: Measurements And Adjustments

    SA-HT740GCP 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 42: Optical Adjustment

    SA-HT740GCP 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.) Adjust to the minimum jitter value.

  • Page 43: Abbrevations

    SA-HT740GCP 14 Abbrevations 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 AUDIO PES PACKET DATA...
  • Page 44 SA-HT740GCP 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 RESERVE...

  • Page 45: Voltage And Waveform Chart

    SA-HT740GCP 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. MODE CD P LAY IC3701 Re f No.
  • Page 46 SA-HT740GCP IC8051 Re f No. MODE CD P LAY IC8051 Re f No. MODE CD P LAY IC8051 Re f No. MODE CD P LAY Re f No. IC8111 MODE CD P LAY IC8151 Re f No. MODE CD P LAY IC8251 Re f No.

  • Page 47: Main P.c.b

    SA-HT740GCP 15.2. Main P.C.B. IC2001 Re f No. 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. MODE CD P LAY...

  • Page 48: Power P.c.b

    SA-HT740GCP 15.3. Power P.C.B. IC5001 Re f No. MODE CD P LAY 11.8 11.9 S TANDBY 11.8 11.9 Re f No. IC5001 MODE CD P LAY 12.0 56.5 56.5 -3.1 S TANDBY 12.0 56.5 56.5 -3.1 Re f No. IC5001...

  • Page 49: Loading Motor P.c.b., Tray Motor P.c.b., Sensor P.c.b., Regulator

    SA-HT740GCP 15.5. Loading Motor P.C.B., Tray Motor P.C.B., Sensor P.C.B., Regulator P.C.B. Loading Motor P.C.B. Q9001 Re f No. MODE CD P LAY S TANDBY Tray Motor P.C.B. Q9101 Q9102 Re f No. MODE CD P LAY S TANDBY -0.2 Sensor P.C.B.

  • Page 50: Waveform Chart

    SA-HT740GCP 15.6. 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 51: Illustration Of Ic's, Transistors And Diodes

    SA-HT740GCP 16 Illustration of IC's, Transistors and Diodes C0HBB0000057 (44p) RFKWMHA0L160 C0ABBB000067 (8p) C0JBAB000472 (14p) C0JBAR000326 (16p) C1AB00002239 (80p) C0ABCB000088 (14p) C3ABPG000133 (54p) C0ABBA000163 (10p) C1BB00001098 (100p) C3EBGC000055 (8p) C0ABCB000052 (14p) MN101C49GHF1 (100p) C3EBEG000073 (8p) C0CBCAD00082 (8p) MN2DS0009AP (256p) No.1...
  • Page 52 SA-HT740GCP...

  • Page 53: Wiring Connection Diagram

    S-VIDEO OUT (SOLDER SIDE) 11 10 CN2001 CN2002 HDMI MODULE P.C.B. Loading (SIDE:A) Motor CN2013 FC9101 SENSOR TO TUNER PACK UNIT P.C.B. (SOLDER SIDE) CN9102 FP8251 FP8531 TO WIRELESS P3901 TO SPINDLE MOTOR ASS'Y TO OPTICAL SA-HT740GCP WIRING CONNECTION PICKUP...
  • Page 54 SA-HT740GCP...

  • Page 55: Block Diagram

    ACT T+ LEVEL VOL1- ACT T- SHIFT RFINN FOCUS RFINP COIL ACT F+ ACT F- SPMUTE MUTE3 DRV4 MUTE VOL2+ TRVFT MUTE MUTE12 CH1,2 LEVEL VOL2- DRV3 MUTE SHIFT MUTE4 MUTE QR8571 BUFFER TRAVERSE INNER SW DRV2 SA-HT740GCP BLOCK DIAGRAM...
  • Page 56 ( Not Supplied) IC3931 BUFFER EXDT0 C0JBAA000344 AND GATE TXRST DATA HOTPLG OP CPU CMD DVD CMD EXDT15 IC8695 AND GATE C0JBAA000346 DVD STAT OP CPU STAT IC8691 AND GATE C0JBAA000346 DVD CLK OP CPU CLK AMUTE SA-HT740GCP BLOCK DIAGRAM...
  • Page 57 SHIFT REGISTER LATCH POWER ON RESET DVD CLK DVD CK DVD CMD DVD CMD DVD STAT DVD STA ST/DO IC2001 ST / DO TU SDA MN101C49GHF1 TU SD SYSTEM CONTROL POWER FM DET SUPPLY TU SCL (FM:ON) (FM) SA-HT740GCP BLOCK DIAGRAM...
  • Page 58 SUBW Q2309, Q2310 IC2105-(2) LEVEL CONTROL C0ABCB000088 BUFFER H BASS AMP 10 9 X5011 415KHz D6906 D6907 X5010 375KHz Q6901 Q2095 Z6900 VR6800 (REMOTE SENSOR) (VOLUME) DRIVE DRIVE Q2003 VREF+ X2001 RESET 8MHz IC2001 MN101C49GHF1 SYSTEM CONTROL SA-HT740GCP BLOCK DIAGRAM...
  • Page 59 SELECTOR Q5014 FL6901 Q5022 MUTING FL DISPLAY IC2004 C3EBEG000073 EEPROM KEY SWITCH (Not Supplied) (S6900-6907, KEY SWITCH FL00 (S6801-6808) S6909,6910) IC6901 X OUT C0HBB0000057 DISPLAY DRIVER X IN IC2001 MN101C49GHF1 SYSTEM CONTROL AVSS HB EN WS EN SA-HT740GCP BLOCK DIAGRAM...
  • Page 60 REGULATOR Q5747 CONT CURRENT SWITCHING SUPPLY LIMMITTING QR8111 IC3782 SWITCH Q5908, D5903 C0CBCAD00082 D5716 POWER CONTROL +1.8V DC-DC REGULATOR CONVERTER IC5705 +12V REGULATOR C0CAAYG00011 DRAIN D5718 IC8151 PC5701 C0DBEHG00006 FEED BACK FEED BACK +1.2V REGULATOR Q5751 SWITCHING SA-HT740GCP BLOCK DIAGRAM...

  • Page 61: Schematic Diagram Notes

    SA-HT740GCP 19 Schematic Diagram Notes Put a conductive mat on the work table. 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 62 SA-HT740GCP...

  • Page 63: Schematic Diagram

    (FP8531) ON LD (CD) SCHEMATIC LD GND DIAGRAM-5 LD (DVD) GND (OEIC) LDU PCB VREF VREF1 SUB2 SUB2 SUB1 SUB1 PIN(CD) SUBSEL LD (CD) GND (IM) LD (DVD) 6.8K LDGND 6.8K 6.8K J0JCC0000307 0.22 J0JBC0000105 SA-HT740GCP OPTICAL PICKUP UNIT CIRCUIT...
  • Page 64 D+2.7V AOUT1 DATA3 VCC1 AUDIODIGITAL AUDIODIGITAL AOUT2 DATA4 VOUT7 QR8111 I2C_SDA I2C_SDA XP0621400L I2C_SCL MSEL VOUT8 I2C_SCL POWER CONTROL HOTPLG HOTPLG VCLK ADAC-CLK VCLK NRST ADAC-CLK DMIXOUT LRCK C8428 C8424 SRCK AOUT0 AOUT1 AOUT2 DGND SA-HT740GCP HDMI MODULE CIRCUIT (D2)
  • Page 65 MDQ_8 IC8051 MDQ_6 C3ABPG000133 MDQ_9 64M SDRAM R8611 RX8013 D1H88204A024 MDQ_5 MDQ_10 IC8701 MDQ_4 C0JBAB000614 MDQ_11 INVERTER LB8701 J0JBC0000044 RX8012 D1H88204A024 MDQ_3 MDQ_12 MDQ_2 OUTY MDQ_13 RX8011 D1H88204A024 MDQ_1 OSC27M MDQ_14 LB8702 MDQ_0 J0JBC0000044 MDQ_15 SA-HT740GCP HDMI MODULE CIRCUIT (D2)
  • Page 66 VIN7 EXADR_3 VIN5 EXADT3 VIN8 EXADR_2 C8203 0.1 EXADT2 VIN9 EXADR_1 EXADT1 VIN10 C8306 0.1 C8505 0.1 65 66 67 68 69 70 71 72 73 EXADR_20 NRST R8601 100K C8528 10 C8524 0.1 R8003 SA-HT740GCP HDMI MODULE CIRCUIT (D2)
  • Page 67 LB8561 J0JBC0000042 LDCD D1H410320002 D1H410320002 LDGND LB8551 J0JBC0000042 LDDVD SBT3 GND(OEIC) STBDAC VREFH LB8531 ERJ2GE0R00X VREF1 OP_CPU-CLK LB8530 J0JHC0000045 OP_CPU-CMD SUB2 OP_CPU-STAT SUB1 RX8533 LPC2 R8532 2.2K PIN(CD) D1H456020001 VIN6 SUBSEL DRV5 R8533 GND(VRCD) VIN5 SA-HT740GCP HDMI MODULE CIRCUIT (D2)
  • Page 68 8 9 10 1 1 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 2 3 4 5 6 7 RX3706 D1H410120001 I2C_SCL I2C_SDA OSC27M NRST SA-HT740GCP HDMI MODULE CIRCUIT (UP)
  • Page 69 L3902 G1C100K00019 K3905 Q3902 HSYNC B1CFHA000002 VSYNC LEVEL SHIFTER AUDIODIGTAL ADAC-CLK DMIXOUT AOUT2 R3907 2.2K AOUT1 IC3952 AOUT0 C0CBCDC00063 LRCK +5V REGULATOR SRCK HOTPLG Noise Bypass 2 GND K3903 R3947 Q3903 M+9V B1CFHA000002 LEVEL SHIFTER SA-HT740GCP HDMI MODULE CIRCUIT (HD)
  • Page 70 LOAD_MTR+ SCHEMAITC L2805 DGND J0JBC0000015 R2816 75 DIAGRAM-17 C2838 C2837 C2839 C2836 C2833 LOAD_MTR- DGND Q2001 B1GBCFJJ0051 MOTOR DRIVE L2806 COUT J0JBC0000015 R2817 75 L2807 J0JBC0000015 R2818 75 YOUT C2029 C2030 C2830 C2832 470P 470P 100P 220P SA-HT740GCP MAIN CIRCUIT...
  • Page 71 W2026 B1GBCFLL0037 TURN_REW CEC_IN R2034 W2138 HOTPLG RESET HOTPLUG D2008 R2033 B0ACCK000005 W2020 2 3 4 5 6 7 8 9 X2001 H2D800400009 8MHz R2976 R2975 R2015 2.7K R2016 R2069 R2017 R2018 R2070 R2019 R2020 R2021 W2051 SA-HT740GCP MAIN CIRCUIT...
  • Page 72 K2400 0 C2303 C2302 0.039 5 6 7 8 9 C2502 0.033 R2503 W2127 W2140 4.7K W2911 W2117 W2083 C2503 W2263 W2082 0.082 W2260 R2303 4.7K W2075 W2086 W2261 W2072 W2174 W2042 W2113 W2085 W2074 W2166 W2112 SA-HT740GCP MAIN CIRCUIT...
  • Page 73 IC2103 50V1 2.2K FLVOLOUT C0AABB000125 R2270 DUAL OP-AMP 2.2K (HEADPHONES AMP) C2294 C2278 C2279 R2170 2200P 100P 2.2K C2270 C2277 R2268 R2275 R2276 R2277 R2279 R2293 50V1 2.2K 50V1 5.6K FRVOLOUT HP-RCH FRFIN R2278 R2280 R2288 W2025 SA-HT740GCP MAIN CIRCUIT...
  • Page 74 L2903 L2902 H2010 G0A200D00002 G0A101ZA0028 -VCC AGND +VCC DC_DET W2017 0 SYS6V SYS6V SYNC SYNC POWER(SMPS) CIRCUIT DC_GND (CN5701) on DC_GND FP2000 SCHEMATIC L2909 SW5VG_GND DIAGRAM-15 G0A200D00002 +13V DC_13V DC_13V R2935 4.7K DVD_PCONT AM_BP AM_BP PCONT PCONT SA-HT740GCP MAIN CIRCUIT...
  • Page 75 DUAL OP-AMP W4013 INVERTER Q5002 +VCC B1ABCF000011 W4120 DC DETECT R5014 R5076 0 R5011 10K W4107 0 C5019 47P Q5001 C5102 C5799 R5015 D5013 D5012 B1ABCF000011 C5018 47P B0ACCE000003 B0ACCE000003 Q5015 DC DETECT B1ADBL000010 VOLTAGE DETECT W4018 R5094 SA-HT740GCP POWER(DAMP) CIRCUIT...
  • Page 76 50V10P IC5703 Q5745 R5740 C5720 R5715 100K B3PBA0000402 C0ABBB000067 FEED BACK R5714 DIFFERENTIAL AMP Q5751 Q5746 5.6K 2SC3940ARA B1GBCFJN0033 SWITCHING INVERTER Q5760 B1ABCF000011 R5743 BUFFER AM_BP R5789 R5747 R5741 Q5726 VCC_CONT B1ABCF000011 R5901 INVERTER W4007 C5722 R5902 SA-HT740GCP POWER(SMPS) CIRCUIT...
  • Page 77 J0JBC0000015 VSSGND DISC_SENS DISC_SENSOR CIRCUIT L5752 DGND (CN9102) on J0JBC0000015 VSSGND PULSE PULSE_SENSOR SCHEMATIC L5753 DGND DIAGRAM-17 J0JBC0000015 POSITION POSITION_SENSOR DGND Q5750 Q5801 B3PBA0000402 B1GBCFJJ0051 FEED BACK MOTOR DRIVE SYS6V R5790 W4003 PCONT SA-HT740GCP POWER(SMPS)/ AC-INLET/ SUB POWER/VOLTAGE SELECTOR CIRCUIT...

  • Page 78: D) Fl, Headphone, Loading Motor, Tray Motor, Sensor Regulator Circuit

    KEY1 FL_IC_IN CIRCUIT FL_IC_CLK (CN5707) on FL_IC_STB SCHEMATIC DIAGRAM-15 WIDE_LED W6948 L6905 W6945 W6943 JK6802 J0JBC0000019 W6952 W6947 W6920 R6947 4.7K R6949 W6919 R6948 H6901 L6904 MPORT-RCH J0JBC0000019 C6928 AGND MAIN CIRCUIT MPORT-LCH (CN2013) on SCHEMATIC DIAGRAM-12 SA-HT740GCP FL/HEADPHONE CIRCUIT...
  • Page 79 DGND DGND DGND PHOTO_DRV/B Q9102 POWER(SMPS) PULSE_SENSE DGND PULSE_SENSE CIRCUIT Q9103 POSITION_SENSE DISC_SENSE POSITION_SENSE (CN5702) ON DGND SCHEMATIC PULSE_SENSE DIAGRAM-15 DGND POSITION_SENSE Q9101 DGND Q9101 B3NAA0000082 POSITION SENSOR Q9102 B3NAA0000102 PHOTO INTERRUPTOR SA-HT740GCP LOADING MOTOR/ TRAY MOTOR/ SENSOR/ REGULATOR CIRCUIT...
  • Page 80 SA-HT740GCP...
  • Page 81 Q8562 R8568 QR8571 R8565 IC3952 RX8534 RX8532 R8531 C8530 LB8571 D8571 C8572 RX8531 P3901 RX8533 LB8551 C8533 3133A-1 FP8531 3133A-1 3133A-1 3133A-1 FP8251 TO OPTICAL TO SPINDLE/ TRAVERSE MOTOR PICKUP UNIT LB8561 (SIDE A) (SIDE B) SA-HT740GCP HDMI MODULE P.C.B.

  • Page 82: B) Main, Ac-Inlet & Sub Power P.c.b

    R2939 C2964 W2181 Q2098 AC-INLET P.C.B. (REPX0511B) SUB POWER P.C.B. (REPX0511B) CN5707 CN5705 0503A-2 0503A-2 250V 6.3A CN5713 ZA5702 ZA5701 CN5712 P5701 DZ5701 0503A-2 0503A-2 W4853 W4854 AC IN 110V-127V/ 220V-240V W4855 50/60HZ W4856 CN5710 L5701 SA-HT740GCP MAIN/AC-INLET/SUB POWER P.C.B.
  • Page 83 D5773 C5431 R5781 SURROUND ZJ5703 W4333 CN5701 Q5750 C5795 R5755 CN5050 SPEAKER W4701 R5753 R5752 R5758 W4103 15 17 Q5742 L5300 0503A-2 0503A-2 CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B SA-HT740GCP POWER P.C.B.

  • Page 84: E) Fl, Headphone, Loading Motor, Tray Motor, Sensor Regulator & Voltage Selector P.c.b

    S6804 HEADPHONE S9001 (LOAD) SENSOR P.C.B. VOLTAGE SELECTOR TRAY MOTOR P.C.B. Q9001 2670A 2670A (REP3466B) P.C.B.(REPX0511B) (REP3466B) 0503A-2 0503A-2 FC9101 Q9101 S5701 VOLTAGE SELECTOR FC9101 Q9103 (Loading Motor) Q9102 2671A 2671A CN9102 2671A 2671A SA-HT740GCP FL/HEADPHONE/LOADING MOTOR/TRAY MOTOR/SENSOR/REGULATOR/VOLTAGE SELECTOR P.C.B.
  • Page 85 SA-HT740GCP 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 other control signals waveform...
  • Page 86 SA-HT740GCP 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. HDMI video output is turned ON.
  • Page 87 SA-HT740GCP 23 Overall Block for HT740...
  • Page 88 SA-HT740GCP 23.1. HT740 DVD Unit Block...

  • Page 89: Ht740 Block (Analog Signal : Dvd 5.1Ch Play Back Mode)

    SA-HT740GCP 23.2. HT740 Block (Analog Signal : DVD 5.1ch Play Back Mode)
  • Page 90 SA-HT740GCP 23.3. HT740 Block (Analog Signal : 2ch Analog Input Mode)
  • Page 91 SA-HT740GCP 23.4. HT740 Power Supply Block...
  • Page 92 SA-HT740GCP 23.5. HT740 Power Block (SMPS)
  • Page 93 SA-HT740GCP 24 Terminal Function of ICs 24.1. IC2001 (MN101C49GHF1): Terminal Function Name Micro-processor IC MUTE_HP Headphone mute MP_SEL Select front MPort or rear MPort Terminal Function (SELECT Name AVSS Power supply for A_D converter SUB_ Subwoofer frequency Limiter LIMITER KEY1...
  • Page 94 SA-HT740GCP 25 Exploded Views 25.1. Cabinet Parts Location...
  • Page 95 SA-HT740GCP...
  • Page 96 SA-HT740GCP...
  • Page 97 SA-HT740GCP 25.2. Packaging...
  • Page 98 SA-HT740GCP 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. When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list.
  • Page 99 SA-HT740GCP 26.1. 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 CLOSE LOCK GEAR SPRING...
  • Page 100 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC2102 C1BB00001098 IC ASP Q5014 B1ABCF000011 TRANSISTOR IC2103 C0AABB000125 IC HEADPHONES AMP Q5015 B1ADBL000010 TRANSISTOR IC2105 C0ABCB000088 IC MUSIC PORT AMP Q5022 B1ABCF000011...
  • Page 101 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D5012 B0ACCE000003 DIODE LB8305 J0JBC0000042 CHIP BEAD D5013 B0ACCE000003 DIODE LB8401 J0JBC0000042 CHIP BEAD D5031 B0BC3R400001 DIODE LB8421 ERJ2GE0R00X CHIP JUMPER D5041 B0ACCK000005...
  • Page 102 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks CN6902 K1MN19AA0004 19P CONNECTOR L6903 J0JBC0000041 CHIP INDUCTOR CN9102 K1MY11BA0021 11P CONNECTOR L6904 J0JBC0000019 CHIP INDUCTOR CN9003 K1MY11BA0021 11P CONNECTOR L6905 J0JBC0000019 CHIP INDUCTOR...
  • Page 103 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2045 ERJ3GEYJ221V 220 1/16W P3901 K1FY119H0001 CONNECTOR R2048 ERJ3GEY0R00V 0 1/16W P5701 K2AA2B000015 JK AC INLET R2049 ERJ3GEY0R00V 0 1/16W R2051 ERJ3GEYJ103V 10K 1/16W...
  • Page 104 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2214 ERJ3GEYJ153V 15K 1/16W R2621 ERJ3GEYJ393V 39K 1/16W R2215 ERJ3GEYJ272V 2.7K 1/16W R2622 ERJ3GEY0R00V 0 1/16W R2218 ERJ3GEY0R00V 0 1/16W R2623 ERJ3GEYJ563V 56K 1/16W...
  • Page 105 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2976 ERJ3GEYJ103V 10K 1/16W R5183 ERJ1TYJ220U 22 1W R2977 ERJ3GEYJ103V 10K 1/16W R5189 ERJ3GEYJ823V 82K 1/16W R2979 ERJ3GEYJ103V 10K 1/16W R5197 ERJ3GEYJ103V 10K 1/16W...
  • Page 106 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5744 ERJ3GEYJ153V 15K 1/16W R6803 ERJ3GEYJ122V 1.2K 1/16W R5745 ERJ3GEYJ103V 10K 1/16W R6804 ERJ3GEYJ102V 1K 1/16W R5746 ERJ3GEYJ473V 47K 1/16W R6805 ERJ3GEYJ102V 1K 1/16W...
  • Page 107 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R8555 ERJ2GEJ2R2X 2.2 2W W2030 ERJ6GEY0R00V CHIP RESISTOR R8556 ERJ3GEYJ560V 56 1/16W W2031 ERJ6GEY0R00V CHIP RESISTOR R8557 ERJ3GEYJ510V 51 1/16W W2037 ERX2SJ1R5E RESISTOR...
  • Page 108 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks W4005 ERJ3GEY0R00V CHIP JUMPER C2002 ECJ1VB1C104K 0.1 16V W4006 ERJ6GEY0R00V CHIP RESISTOR C2003 ECEA1EKS220B 22 25V W4007 ERJ3GEY0R00V CHIP JUMPER C2004 ECJ1VB1H103K 0.01 50V...
  • Page 109 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2279 ECJ1VC1H470J 47P 50V C2810 ECJ1VB1H103K 0.01 50V C2280 ECJ1VB1C104K 0.1 16V C2811 ECJ1VB1C104K 0.1 16V C2281 ECJ1VB1H102K 1000P 50V C2812 ECJ1VB1C104K 0.1 16V...
  • Page 110 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2966 ECJ1VB1H103K 0.01 50V C5035 ECJ1VB1H104K 0.1 50V C2967 ECJ1VB1H103K 0.01 50V C5036 ECJ1VB1H104K 0.1 50V C2968 ECEA1CKA101B 100 16V C5040 ECJ1VB1H104K 0.1 50V...
  • Page 111 SA-HT740GCP Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5722 ECJ1VB1H104K 0.1 50V C8007 ECJ0EF1C104Z 0.1 16V C5723 ECJ1VB1H104K 0.1 50V C8008 ECJ0EF1C104Z 0.1 16V C5725 ECA1HAK2R2XB 2.2 50V C8011 F2G0J101A066 100 6.3V...
  • Page 112 SA-HT740GCP Ref. Part No. Part Name & Description Remarks C8513 ECJ0EB1A104K 0.1 10V C8514 ECJ0EB1A104K 0.1 10V C8515 ECJ0EB1A104K 0.1 10V C8516 ECJ0EB1A104K 0.1 10V C8521 ECJ0EB1A104K 0.1 10V C8522 ECJ0EB1A104K 0.1 10V C8523 ECJ0EF1C104Z 0.1 16V C8524 ECJ0EF1C104Z 0.1 16V...

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