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Panasonic SAHT730 Support Question

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Question posted by totoDinodi on July 30th, 2014

How To Hook Up Panasonic Sa-ht730 To Computer

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Related Panasonic SAHT730 Manual Pages

Dvd Theater Receiver - Page 2

...System Main unit Front speakers Center speaker Surround speakers Active subwoofer SC-HT730 SA-HT730 SB-FS730 SB-PC730 SB-FS731 SB-WA730 SC-HT733 SA-HT733 SB-FS730 SB-PC730 SB-FS731 SB-WA733 SC-HT930 SA... of North America One Panasonic Way Secaucus, NJ 07094 Telephone No.: 1-800-211-7262 THE FOLLOWING APPLIES ONLY IN THE U.S.A. This product may receive radio interference caused by one...

Technical Guide - Page 2

... in serious injury or death. Prepared by Herb Chin, & Joe Blanks Panasonic Services Company National Training Panasonic is a registered trademark of Dolby Laboratories. DTS is a violation of Digital Theater Systems Corporation. Unauthorized copying and distribution is a registered trademark of law. SA-HT730 / SAHT930 2 Warning This service information is designed for use by...

Technical Guide - Page 3

...Strategy 12 CONTROL UNIT REPAIR (SA-HT730 / SA-HT930) STRATEGY 13 Control unit repair Procedure 14 Jumper Paths to trace down no audio (one or more channels 22 SA-HT730 / SAHT930 3 SIMULATED FAILURE ... NO AUDIO PROBLEMS 22 How to System Control IC2018 for Shutdown Problems 15 Control Unit Protection Concept 16 SUBWOOFER UNIT REPAIR (SB-WA730 / SA-WA930 17 Subwoofer Repair Strategy - ...

Technical Guide - Page 4

SA-HT730 / SAHT930 4 Objective This technical guide was prepared with the following objectives in mind: • Provide the servicer with a brief overview of the concepts of operation ...

Technical Guide - Page 5

... the disc unchucked closed. None Red light over pwr button (standby). " No Disc" S9101 also detects tray rot. I No Start-Up and DVD Transport Problems Model: SA-HT730 / HT930. Servicing the DVD section is (or in table 1. Power-On Sequence 4. Simulated Sensor Failure Symptoms 6. Compare the sequence in the defective unit to the sensors...

Technical Guide - Page 6

...numbers Tray Belt = RDV0073 Loading Belt = RDV0073 Loading Motor = REM0112 Tray Motor = same as above SA-HT730 / SAHT930 6 d) Focus search 3X. (spins if disc is easier than it looks. Mechanical binding...to access the parts shown below. i) Sled moves to home position j) Sled moves out to DVD TOC location. Sensors, belts, and motor location Items in dotted lines are under the tray. ...

Technical Guide - Page 7

... continuous CCW rotation of the tray. Tray moves out and spins, then the tray moves in. and the mech clamps & then unclamps. Motor = 14 ohms SA-HT730 / SAHT930 7

Technical Guide - Page 8

On the main board, remove the cable (CN2010) attached to unlock the tray. Tray removal revealed SA-HT730 / SAHT930 8 CN2010 Contacts = rear CN2008 Contacts = left CN2009 Contacts = rear metal chassis edges are sharp. Rotate the white Close Lock Gear / lever CW (clockwise) within ...

Technical Guide - Page 9

... all that its line across the gear is horizontal as shown. 3. Plug in figure 3. Tray installation (after repairs) Refer to slide the tray back in . SA-HT730 / SAHT930 9 Procedure: 1. 5. Positioning the main black gear and a white gear is all the way in .

Technical Guide - Page 10

... pin 2. Sensor testing These 7 electrical parts could cause transport problems but shorted when pressed (simulates tray out). Plug in - Out) Motor Circuit Cutout shows Q9001 SA-HT730 / SAHT930 10 Testing the Tray Loading Motor and Related Sensors With the tray removed (section 4), install the front panel to the disc clamped position. 2. Part...

Technical Guide - Page 11

... the tray past the disc center position at CN2010/pin 2: 0.15Vdc = Tray centered for testing. At CN2010/pin 6: 0.3Vdc = light reflected back from 0 - 2V - 5.6Vdc. SA-HT730 / SAHT930 11 Tray rotation motor 5. Testing Parts 2/2 Do / Watch Tray motor should turn 8 seconds after the power button is turned. Tray Rotation circuit CN2010/Pin...

Technical Guide - Page 12

...through a 25 pin umbilical cable (not shown). Control unit repair starts on page 17. SA-HT730 / SAHT930 12 The control unit power comes from the metal frame and rotating it 90 ...All parts are both 2-piece units (with either the control unit (SA-HT730/HT930) or the subwoofer (SB-WA730/WA930). The SA-HT930 / SA-HT730 control piece (figure 6, right) has no AC input. Overall ...

Technical Guide - Page 13

... figure 9 to cut additional jumper wires to isolate the problem to figure 8. Repair Information Control Unit Repair (SA-HT730 / SA-HT930) Strategy SC-HT730 / SC-HT930 Repair Strategy for both models. Troubleshooting of the main board by cutting jumper wires to determine if..., repairs are done from the top of the control unit is in the subwoofer. SA-HT730 / SAHT930 13 Figure 7 -

Technical Guide - Page 14

... or missing voltage. Measure the voltage at W2156 / G8 at power on the top of the jumpers is missing, cut , its ends. Trace down (reduced). SA-HT730 / SAHT930 14 If the unit does not shutdown because you need to locate the jumper wires and identify which is in the control unit. Control...

Technical Guide - Page 15

.../ PIN 4 Subwoofer TP Jumpers (eg. Jumper Paths & Location 15 Jumper Paths to System Control IC2018 for Shutdown Problems SYS 6 from the top of JK2000 From SUB W SYSTEM CONTROL IC2018 DC Det SW5 source Q2813 /E W2550 /M7 SW5V load CN2009 /Pin 18...I7 W2854 /H6 -7V CN2010/pin8 PHOTO INTERRUPTER Q9103/pin1 1 2 3 4 5 6 7 8 9 ML K J I HG FE D C BA SA-HT730 / SAHT930 Figure 9 -

Technical Guide - Page 16

Control Unit Shutdown Simplified Schematic SA-HT730 / SAHT930 16 Control Unit Protection Concept Figure 10 -

Technical Guide - Page 17

...subwoofer AC relay power relay, shutting off the power for shutdown are connected by isolating the problem SA-HT730 / SAHT930 17 In the subwoofer, the lines monitored for both of each other or the ...but has less front channel wattage. The units are : • Speaker Balance - The SC-HT730 model is lost. The protection monitoring circuitry in the control unit. Missing 9V or excessive 9V ...

Technical Guide - Page 18

... to 5-9V when plugged in momentarily. If the voltage remains at fault. Remove Q501/Q502, Q559, and Q556/Q557 one group at 0Vdc - SB-WA730 - SA-HT730 / SAHT930 18 Jump the contacts of D508 with your DC voltmeter, momentarily plug the subwoofer into AC while monitoring the unbanded anode end of D508...

Technical Guide - Page 22

... and subwoofer speakers only unless the remote's "Super Srnd" button is pressed. DVD - When playing a DVD movie with DTS or Dolby Digital ("SFC" will light in the signal flow or a line being muted. SA-HT730 / SAHT930 22 A- How to figure 15. Older stereo-only movies (no audio (one or more channels) Once an audio tone...

Technical Guide - Page 23

... the signal is test active. Once in the path. Internal test tone - c) On the remote top opaque buttons, press DVD (so the remote buttons are producing the test tone. Figure 16 SA-HT730 / SAHT930 23 As feedback, the display shows which channel is lost. Follow the signal from capacitor to capacitor with a scope...