Technical Guide
Page 5
...is already in this unit normally starts in (if S9001 is followed * assembly via cable to the correct sequence listed below in section 4 - CN2004. Contacts are used: Tray in DVD mode, start-up . disc assembly is disconnected, the unit always powers on sequence. ...in sequence. Since this tray rotation is in the step just before). the disc blocks the Q9103 light. I No Start-Up and DVD Transport Problems Model: SA-HT730 / HT930. After AC is unclamped.) 1. Tray Installation (after Repairs) 3. Section 2 locates the sensors. Press Power button Disc # ...
...is already in this unit normally starts in (if S9001 is followed * assembly via cable to the correct sequence listed below in section 4 - CN2004. Contacts are used: Tray in DVD mode, start-up . disc assembly is disconnected, the unit always powers on sequence. ...in sequence. Since this tray rotation is in the step just before). the disc blocks the Q9103 light. I No Start-Up and DVD Transport Problems Model: SA-HT730 / HT930. After AC is unclamped.) 1. Tray Installation (after Repairs) 3. Section 2 locates the sensors. Press Power button Disc # ...
Technical Guide
Page 6
...home position (at center). Part numbers Tray Belt = RDV0073 Loading Belt = RDV0073 Loading Motor = REM0112 Tray Motor = same as above SA-HT730 / SAHT930 6 * Disc Proof Sequence (no disc loaded) a) Sled moves to DVD TOC location. Table 2 Checkout Failure 1. Traverse Motor 5. f) Sled moves out to home position (at center). Mechanical binding 3. motor ... is found) e) Sled moves to initial position. Since many parts are under the tray, the tray must be slid out to DVD TOC location. Volts missing 4. Use disassembly section 4 to access the parts shown below. Ribbon...
...home position (at center). Part numbers Tray Belt = RDV0073 Loading Belt = RDV0073 Loading Motor = REM0112 Tray Motor = same as above SA-HT730 / SAHT930 6 * Disc Proof Sequence (no disc loaded) a) Sled moves to DVD TOC location. Table 2 Checkout Failure 1. Traverse Motor 5. f) Sled moves out to home position (at center). Mechanical binding 3. motor ... is found) e) Sled moves to initial position. Since many parts are under the tray, the tray must be slid out to DVD TOC location. Volts missing 4. Use disassembly section 4 to access the parts shown below. Ribbon...
Technical Guide
Page 7
... corresponding sensor. Tray rotation Q9102 open . 6. Tray Rotation Motor Cable CN2010 CN2010 CN2010 CN2011 CN2011 CN2011 CN2010 Simulated Failures Symptom No disc detected (no buttons work except power. "INIT" appears and no PB possible). and the mech clamps & then unclamps. Motor = 14 ohms SA-HT730 / SAHT930 7 Tray out switch S9001 open . 3. Tray motor...
... corresponding sensor. Tray rotation Q9102 open . 6. Tray Rotation Motor Cable CN2010 CN2010 CN2010 CN2011 CN2011 CN2011 CN2010 Simulated Failures Symptom No disc detected (no buttons work except power. "INIT" appears and no PB possible). and the mech clamps & then unclamps. Motor = 14 ohms SA-HT730 / SAHT930 7 Tray out switch S9001 open . 3. Tray motor...
Technical Guide
Page 8
...SA-HT730 / SAHT930 8 CN2010 Contacts = rear CN2008 Contacts = left CN2009 Contacts = rear metal chassis edges are sharp. From the bottom of the tray (figure 2). 7. Move the rear white lever counter-clockwise (CCW) as shown in figure 2 and at the same time 6. Remove trim from the bottom. On the main board, remove the cable... removing the tray trim, and then the front panel (not shown) before the tray assembly will come out. Unplug the two front panel cables (CN2008 & CN2009) and remove the front panel (not shown). 4. Rotate the white Close Lock Gear / lever CW (clockwise) within ...
...SA-HT730 / SAHT930 8 CN2010 Contacts = rear CN2008 Contacts = left CN2009 Contacts = rear metal chassis edges are sharp. From the bottom of the tray (figure 2). 7. Move the rear white lever counter-clockwise (CCW) as shown in figure 2 and at the same time 6. Remove trim from the bottom. On the main board, remove the cable... removing the tray trim, and then the front panel (not shown) before the tray assembly will come out. Unplug the two front panel cables (CN2008 & CN2009) and remove the front panel (not shown). 4. Rotate the white Close Lock Gear / lever CW (clockwise) within ...
Technical Guide
Page 9
...black gear and a white gear is horizontal as shown. 3. The cable's contacts face rearward. 5. Procedure: 1. Rotate the (now free moving) left white gear so that its line across the gear is all the way in figure 3. SA-HT730 / SAHT930 9 White gear - 5. Tray installation (after repairs)... Refer to slide the tray back in the tray's ribbon cable into the mechanism. 4. Rotate the gear so that is clamped. 2. Main black...
...black gear and a white gear is horizontal as shown. 3. The cable's contacts face rearward. 5. Procedure: 1. Rotate the (now free moving) left white gear so that its line across the gear is all the way in figure 3. SA-HT730 / SAHT930 9 White gear - 5. Tray installation (after repairs)... Refer to slide the tray back in the tray's ribbon cable into the mechanism. 4. Rotate the gear so that is clamped. 2. Main black...
Technical Guide
Page 10
...Motor and Related Sensors With the tray removed (section 4), install the front panel to the disc clamped position. 2. Tray in front panel ribbon cables CN2008 and CN2009. Tray out sw. Press the poweron button. Rocking the gear changes Q9001's logic state. Motor resistance = 14 ohms. Motor...pin 6 will then shut down ("H01 error"). Tray in / out test Shorted - The switch is bad. Out) Motor Circuit Cutout shows Q9001 SA-HT730 / SAHT930 10 The unit will change from AC power. Part 1. Testing Parts 1/2 Do / Watch After laser focus searches ("INIT"), the loading ...
...Motor and Related Sensors With the tray removed (section 4), install the front panel to the disc clamped position. 2. Tray in front panel ribbon cables CN2008 and CN2009. Tray out sw. Press the poweron button. Rocking the gear changes Q9001's logic state. Motor resistance = 14 ohms. Motor...pin 6 will then shut down ("H01 error"). Tray in / out test Shorted - The switch is bad. Out) Motor Circuit Cutout shows Q9001 SA-HT730 / SAHT930 10 The unit will change from AC power. Part 1. Testing Parts 1/2 Do / Watch After laser focus searches ("INIT"), the loading ...
Technical Guide
Page 11
...Rotation circuit CN2010/Pin 2: 0.15 = disc centered 5Vdc = tray bet discs. At CN2010/pin 6: 0.3Vdc = light reflected back from 0 - 2V - 5.6Vdc. SA-HT730 / SAHT930 11 Press the power on button. Table 5 Proof the part is turned. Volts at the laser assembly. Tray position sensor Q9101 7. Disc presence detector... 6. Before the unit shuts down, rotate the tray past the disc sensor. Rotate the tray motor gear by hand. Plug the tray ribbon cable into CN2010 for disc playback. 5Vdc. = Tray in transit. With the tray removed, install the front panel to 4.6Vdc Figure 5 - ...
...Rotation circuit CN2010/Pin 2: 0.15 = disc centered 5Vdc = tray bet discs. At CN2010/pin 6: 0.3Vdc = light reflected back from 0 - 2V - 5.6Vdc. SA-HT730 / SAHT930 11 Press the power on button. Table 5 Proof the part is turned. Volts at the laser assembly. Tray position sensor Q9101 7. Disc presence detector... 6. Before the unit shuts down, rotate the tray past the disc sensor. Rotate the tray motor gear by hand. Plug the tray ribbon cable into CN2010 for disc playback. 5Vdc. = Tray in transit. With the tray removed, install the front panel to 4.6Vdc Figure 5 - ...
Technical Guide
Page 12
...from the SB-WA 30 "Subwoofer" piece through a 25 pin umbilical cable (not shown). all 6 channels and delivers protection information to quickly locate the jumpers. The repair flow information is added (service position). SA-HT730 / SAHT930 12 Start the repair with speakers). In the control unit,...- Overall Repair Strategy Shutdown protection can be started in figure 7. Control unit repair starts on the top as test points. The SA-HT930 / SA-HT730 control piece (figure 6, right) has no AC input. The subwoofer (left) houses the power output amplifier for diagnosis is pulled...
...from the SB-WA 30 "Subwoofer" piece through a 25 pin umbilical cable (not shown). all 6 channels and delivers protection information to quickly locate the jumpers. The repair flow information is added (service position). SA-HT730 / SAHT930 12 Start the repair with speakers). In the control unit,...- Overall Repair Strategy Shutdown protection can be started in figure 7. Control unit repair starts on the top as test points. The SA-HT930 / SA-HT730 control piece (figure 6, right) has no AC input. The subwoofer (left) houses the power output amplifier for diagnosis is pulled...
Technical Guide
Page 17
...In the subwoofer, the lines monitored for both of each other or the unit will shut down. • + 9Vdc balance - The SC-HT730 model is similar but standby voltage (SYS 6V) is part of a Subwoofer and Control unit. Missing 9V or excessive 9V load that carries power... be displayed just before power 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 Figure 11 - The protection monitoring circuitry in the control unit....
...In the subwoofer, the lines monitored for both of each other or the unit will shut down. • + 9Vdc balance - The SC-HT730 model is similar but standby voltage (SYS 6V) is part of a Subwoofer and Control unit. Missing 9V or excessive 9V load that carries power... be displayed just before power 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 Figure 11 - The protection monitoring circuitry in the control unit....
Technical Guide
Page 21
Install the umbilical (system) cable if you are troubleshooting with the control unit, otherwise you will tack in the 10k ohm test resistor to troubleshoot the subwoofer independently (Subwoofer isolation ... screw terminal to free the bottom frame from the heat sink and PC boards. 2. Remove screws to the heat sink as shown. 3. SB-WA930 shown SA-HT730 / SAHT930 21
Install the umbilical (system) cable if you are troubleshooting with the control unit, otherwise you will tack in the 10k ohm test resistor to troubleshoot the subwoofer independently (Subwoofer isolation ... screw terminal to free the bottom frame from the heat sink and PC boards. 2. Remove screws to the heat sink as shown. 3. SB-WA930 shown SA-HT730 / SAHT930 21