Dvd Theater Receiver
Page 2
...these instructions carefully. [HT730]: indicates features applicable to models SC-HT730, SC-HT733, SC...against harmful interference in these instructions are the same. Responsible Party: Panasonic Corporation of the following two conditions: (1) This device may cause ...receiving antenna. ≥Increase the separation between the product and the mobile telephone. AND CANADA CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE SCREWS. System Main unit Front speakers Center speaker Surround speakers Active subwoofer SC-HT730 SA-HT730...
...these instructions carefully. [HT730]: indicates features applicable to models SC-HT730, SC-HT733, SC...against harmful interference in these instructions are the same. Responsible Party: Panasonic Corporation of the following two conditions: (1) This device may cause ...receiving antenna. ≥Increase the separation between the product and the mobile telephone. AND CANADA CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE SCREWS. System Main unit Front speakers Center speaker Surround speakers Active subwoofer SC-HT730 SA-HT730...
Technical Guide
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Objective This technical guide was prepared with the following objectives in mind: • Provide the servicer with a brief overview of the concepts of operation for new circuits employed in this line of models. • Provide drawings with emphasis on signal path to simplify the task of signal tracing and to locate the cause of a defect. • Furnish troubleshooting procedures that contribute to a speedier repair of the product. • Provide examples of typical problems that may have occurred in similar types of circuits. 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 for new circuits employed in this line of models. • Provide drawings with emphasis on signal path to simplify the task of signal tracing and to locate the cause of a defect. • Furnish troubleshooting procedures that contribute to a speedier repair of the product. • Provide examples of typical problems that may have occurred in similar types of circuits. SA-HT730 / SAHT930 4
Technical Guide
Page 5
.... S9001 = contacts open / tray and into the DVD operation mode. " No Disc" S9101 also detects tray rot. Where is divided into 6 groups (pick and choose what you need): 1. Unit off. I No Start-Up and DVD Transport Problems Model: SA-HT730 / HT930. Section 2 locates the sensors. After AC... is first. 2. Time 0 0 1 sec 4 sec 5 sec 8 sec. 17 SA-HT730 / HT930 Power ON sequence Operation Display Proof AC input. See table ...
.... S9001 = contacts open / tray and into the DVD operation mode. " No Disc" S9101 also detects tray rot. Where is divided into 6 groups (pick and choose what you need): 1. Unit off. I No Start-Up and DVD Transport Problems Model: SA-HT730 / HT930. Section 2 locates the sensors. After AC... is first. 2. Time 0 0 1 sec 4 sec 5 sec 8 sec. 17 SA-HT730 / HT930 Power ON sequence Operation Display Proof AC input. See table ...
Technical Guide
Page 12
The models SCHT730 and SCHT930 are used , additional diagrams and pictures are both 2-piece units (with either the control unit (SA-HT730/HT930) or the subwoofer (SB-WA730/WA930). Figure 6 - SA-HT730 / SAHT930 12 The SA-HT930 / SA-HT730 control piece (figure 6, right) has no AC input. Control Unit - Since test point jumpers are used to figure 6. Overall Repair...
The models SCHT730 and SCHT930 are used , additional diagrams and pictures are both 2-piece units (with either the control unit (SA-HT730/HT930) or the subwoofer (SB-WA730/WA930). Figure 6 - SA-HT730 / SAHT930 12 The SA-HT930 / SA-HT730 control piece (figure 6, right) has no AC input. Control Unit - Since test point jumpers are used to figure 6. Overall Repair...
Technical Guide
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... specific jumpers on the board to stop the shutdown problem from reaching Micro IC2018 is in the subwoofer or the control Figure 8 - SA-HT730 / SAHT930 13 Refer to determine if the problem is a fast way to figure 8. Use figure 9 to cut additional jumper wires ...problem. Shutdown can be either in the subwoofer. Thereafter, repairs are located. Repair Information Control Unit Repair (SA-HT730 / SA-HT930) Strategy SC-HT730 / SC-HT930 Repair Strategy for both models. Troubleshooting of the control unit is quickly done from the bottom where the parts are done from the top...
... specific jumpers on the board to stop the shutdown problem from reaching Micro IC2018 is in the subwoofer or the control Figure 8 - SA-HT730 / SAHT930 13 Refer to determine if the problem is a fast way to figure 8. Use figure 9 to cut additional jumper wires ...problem. Shutdown can be either in the subwoofer. Thereafter, repairs are located. Repair Information Control Unit Repair (SA-HT730 / SA-HT930) Strategy SC-HT730 / SC-HT930 Repair Strategy for both models. Troubleshooting of the control unit is quickly done from the bottom where the parts are done from the top...
Technical Guide
Page 17
...or the unit will shut down . • + 9Vdc loss - Subwoofer Unit Repair (SB-WA730 / SA-WA930) Overview - The units are : • Speaker Balance - Refer to figure 11. The SC-HT730 model is similar but standby voltage (SYS 6V) is triggered, the micro via the 25 pin umbilical cable ...opens the subwoofer AC relay power relay, shutting off the power for shutdown are connected by isolating the problem SA-HT730 / SAHT930 17 Its front channel...
...or the unit will shut down . • + 9Vdc loss - Subwoofer Unit Repair (SB-WA730 / SA-WA930) Overview - The units are : • Speaker Balance - Refer to figure 11. The SC-HT730 model is similar but standby voltage (SYS 6V) is triggered, the micro via the 25 pin umbilical cable ...opens the subwoofer AC relay power relay, shutting off the power for shutdown are connected by isolating the problem SA-HT730 / SAHT930 17 Its front channel...