Panasonic SAHT730 Support Question
Panasonic SAHT730 Support Question
Find answers below for this question about Panasonic SAHT730 - DVD THEATER RECEIVER.Need a Panasonic SAHT730 manual? We have 2 online manuals for this item!
Question posted by alma2den on April 21st, 2012
How To Fix The Volume On My Panasonic Home Theater Sound System Sa Ht730
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Current Answers
Related Panasonic SAHT730 Manual Pages
Dvd Theater Receiver - Page 1
... an ENERGY STAR® Partner, Panasonic has determined that this product, please read the instructions completely.
POWER
INPUT
1
2
3
4
5
SELECTOR
5 DISC SELECTOR
OPEN CLOSE
DISC EXCHANGE DISC SKIP
H.BASS PROGRESSIVE CD MODE TUNE MODE FM MODE MEMORY
VOLUME
TUNING
DOWN
PHONES UP
Operating Instructions
DVD Home Theater Sound System
Model No.SC-HT730/SC-HT733/ SC-HT930/SC-HT933...
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-HT930 SB-FS930 SB-PC930 SB-FS931 SB-WA930
SC-HT933 SA...8805;Reorient or relocate the receiving antenna. ≥Increase ...Part 15 of North America One Panasonic Way Secaucus, NJ 07094 Telephone No...
Technical Guide - Page 1
B02
Technical Guide
5-DVD Changer Home Theater System
SC-HT730, SC-HT930 Models
Practical Servicing of Start Up, Shutdown, and Video Circuits
Panasonic Services Company
National Training
1
Technical Guide - Page 2
... of Digital Theater Systems Corporation. Any attempt to advise non-technical individuals of potential dangers in the United States or other countries. Unauthorized copying and distribution is a registered trademark of Panasonic North America
"HDMI, the HDMI logo and High-Definition Multimedia Interface are registered trademarks or trademarks of BBE Sound, Inc. SA-HT730 / SAHT930
2 Copyright...
Technical Guide - Page 3
...
III 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 - SIMULATED FAILURE SYMPTOMS - ALL THE SHUTDOWN POSSIBILITIES 12 Overall Repair Strategy 12
CONTROL UNIT REPAIR (SA-HT730 / SA-HT930) STRATEGY 13 Control unit repair Procedure...
Technical Guide - Page 4
... 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
... transport works but the trick is disconnected, the unit always powers on sequence. None
Red light over pwr button (standby). I No Start-Up and DVD Transport Problems
Model: SA-HT730 / HT930.
Detection of sequence. However access to align the gears for Diagnostic Access
2.
After AC is revealed in sequence. " No Disc"
S9101 also...
Technical Guide - Page 6
...under the tray. This is
found) e) Sled moves to home position (at center). b) Sled moves out to initial position.
Use disassembly section 4 to DVD TOC location. c) Laser ON. Volts missing 4.
motor ...the tray must be slid out to home position (at
center). Part numbers Tray Belt = RDV0073 Loading Belt = RDV0073 Loading Motor = REM0112 Tray Motor = same as above
SA-HT730 / SAHT930
6
Technical Guide - Page 7
... with the corresponding sensor. Tray position
Q9101 open . 5. Main gear position
Q9001 open . 4. Slow continuous CCW rotation of the tray.
Repeats. Motor = 14 ohms
SA-HT730 / SAHT930
7
quick fixes
Although sensor failures cause the following symptoms listed in . H01 error code shown. Tray motor rotates back & forth for ¼ rotation then shuts down .
Technical Guide - Page 8
... cable (CN2010) attached to unlock the tray. Tray Removal for easy tray removal. Slide the tray out towards yourself) until it stops. 2. Tray removal revealed
SA-HT730 / SAHT930
8
CN2010
Contacts = rear
CN2008
Contacts = left
CN2009
Contacts = rear CAUTION -
Unplug the two front panel cables (CN2008 & CN2009) and remove the front panel (not...
Technical Guide - Page 9
5.
White gear - SA-HT730 / SAHT930
9 Main black gear - Rotate the (now free moving) left white gear so that its line across the gear is clamped. 2. Push the tray all ...
Technical Guide - Page 10
...
These 7 electrical parts could cause transport problems but shorted when pressed (simulates tray out).
Plug in / out test Shorted - Out) Motor Circuit
Cutout shows Q9001
SA-HT730 / SAHT930
10
Testing Parts 1/2
Do / Watch After laser focus searches ("INIT"), the loading motor turns to drive the transport to 4.6Vdc as a group once the...
Technical Guide - Page 11
... position sensor Q9101 7. Before the unit shuts down, rotate the tray past the disc sensor. At CN2010/pin 6: 0.3Vdc = light reflected back from 0 - 2V - 5.6Vdc. SA-HT730 / SAHT930
11 Press the power on top of the unit between the laser block and front panel. 3. Volts at the laser assembly.
Rotate the tray...
Technical Guide - Page 12
.... Unscrewing the board from the SB-WA 30 "Subwoofer" piece through a 25 pin umbilical cable (not shown).
Subwoofer unit repair starts on page 17. The SA-HT930 / SA-HT730 control piece (figure 6, right) has no AC input. In the control unit, most parts are both 2-piece units (with either the control unit...
Technical Guide - Page 13
... if the problem is a fast way to figure 8. Shutdown can be either in the subwoofer. Cut Jumper wire Concept
unit. SA-HT730 / SAHT930
13 Repair Information
Control Unit Repair (SA-HT730 / SA-HT930) Strategy
SC-HT730 / SC-HT930 Repair Strategy for both models. Cutting specific jumpers on the board to stop the shutdown problem from the...
Technical Guide - Page 14
... off the unit and proceed to figures 9 and 10. Refer to step 2. • If the 9Vdc is absent, the problem is in the control unit.
SA-HT730 / SAHT930
14 Measure the voltage at W2156 / G8 at a time to the repair information on the top of the control unit's protection into micro IC2018...
Technical Guide - Page 15
.../ PIN 4 Subwoofer
TP Jumpers (eg.
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...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 - W2145 /M6
Stby 6V
D2001
W2541 /K6
Pull up resistor
R2069
Pin 2 of the board. Jumper Paths...
Technical Guide - Page 16
Control Unit Protection Concept
Figure 10 - Control Unit Shutdown Simplified Schematic
SA-HT730 / SAHT930
16
Technical Guide - Page 22
... audio to the subwoofer amplifier is muted so there is no sound from the front and subwoofer speakers only unless the remote's "Super Srnd" button is pressed. DVD - Generating test audio to the speakers: Refer to the headphones).
1. SA-HT730 / SAHT930
22 These stereo audio inputs produce audio from any speaker (only to figure 15...
Technical Guide - Page 23
...sequence - Figure 16
SA-HT730 / SAHT930
23 An alternative to input a signal to test the amplifier is to determine where the signal is test active. c) On the remote top opaque buttons, press DVD (so the remote buttons...8226; Use figure 15 to identify the signal path and figure 16 to select DVD / CD (front
panel display). b) Press the front panel or remote input selector to locate ...
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