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Panasonic Service and Technology Company
Home Theater Products Repair
Sample Model SC-PT760 Home Theater System
Herb Chin
Technical Guide
National Training
For 2008-9 models:
SA-PT760 / 954 / 956
SH-FX65, 67, FX85
(wireless)
Contents
Hints / Layout / Reset
Wireless Section
5 Disc Mechanism (
CR-14)
o
o
o
o
Protection Troubleshooting
Outline
Wireless
Mech
Pwr Supply
Protection
Audio
6
0
4
8
14
15
16
21
25
31
34
39
Models:
SA-PT660
SA-PT760
SA-PT960
SA-PT1060
SH-FX67, 85

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Table of Contents
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Summary of Contents for Panasonic SA-PT660

  • Page 1: Table Of Contents

    Panasonic Service and Technology Company Technical Guide For 2008-9 models: SA-PT660 Home Theater Products Repair SA-PT760 / 954 / 956 SA-PT960 SH-FX65, 67, FX85 (wireless) Contents Hints / Layout / Reset Wireless Section Power On Sequence 5 Disc Mechanism (...
  • Page 2: Sa-Pt660

    Panasonic Services and Technology Company National Training Department Secaucus, NJ Copyright © 2008 by Panasonic Services Company All rights reserved. Unauthorized copying and distribution is a violation of law Warning This service information is designed for experienced repair technicians only and is not designed for use by the general public.
  • Page 3: Sa- Pt7

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 4: Reset After Dvd Board Replacement

    N2QAyb 000 214 PT960 Sum Error – Incorrect communications with DVD board micro. Transport is dead, DVD can not be selected. Replace 50 pin ribbon Remote SA-PT660 N2QAyb 000 210 cable or DVD bd. L6FAJCCH 0007 F897 – Play the recovery disc and reset the unit. (see IV at left)
  • Page 5: Wireless

    PT760 Layout 1 – Top Level Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 5 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 6: Wireless

    PT760 Layout – Bottom Level Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 6 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 7: Operation

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 8 Home Theater Wireless Products Panasonic Model SA-PT660 – no wireless spks. (optional FX67 or / & FX85) SA-PT760 – wireless rear spks. SA-PT960 – wireless rear spks + more pwr Need a manual for the wireless portions of the above units? Try a model below.
  • Page 9 Go to slide 8. Check for audio at the receiver card CN1100/pins 2 & 4. If there was no audio present at CN1100 (receiver), Go to slide 7. Check for audio at the transmitter socket CN6301/pins 10 & 12. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 9...
  • Page 10: Power On

    W1 / W2 still blinking? – Use the troubleshooting info in the next pages. 1. H. Bass 2. R.C. FCS 3. SRD Enh(ance) 4. S.Music Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 10 Protection SA-PT1060 Audio...
  • Page 11 3. Channel 1 audio is only present when its 2 room accessory transmitter card is plugged in. Otherwise channel 1 is muted. 4. Data is only present when the T card is in. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 11 Protection...
  • Page 12 Receiver card is getting power (CN1100/pin 5). Receiver card is outputting Audio (CN1100/ pin 2). Receiver card is not muting the audio (CN1100/ pin 10). SH-FX67 receiver / amp Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 12 Protection SA-PT1060...
  • Page 13: Power Supply

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 14 – Laser moves away from home, Tray out laser on, focus searches. Disc spins if a disc is found. position Tray 1 status (contents if any) is displayed. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 14 Protection SA-PT1060...
  • Page 15 Stocker motor continues to turn to internally catch all 5 gears of the #328 “OC” gear. When the last gear is caught, all the trays are moved to the end of the stock area almost out of the mechanism (for disc insertion) Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960...
  • Page 16 = p/n = RD-ddc 026-S searches and if a disc is found, spins it. RD-DDtx002-V SW4 and SW5 are both inside the Traverse assembly. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 16 Protection SA-PT1060 Audio...
  • Page 17 Rotate the black gears so the white slider and laser are forward, as shown. Next page is a close up picture. Rear Figure 2 Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 17 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 18 It will pwr to this position anyway. 8. Plug in the mech’s 3 ribbon cables and test cutout rear front Figure 4 Figure 3 left Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 18 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 19 The traverse motor uses arms to pull the tray the laser assembly. into gear #331. Details in slide 4/4, above. • SW4 opens (fp 8251) to tell the micro the tray is Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 19 Protection SA-PT1060...
  • Page 20: Layout W Test Points And Ps Voltages

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 21 2 ¼” plastic catches, then lift the plate up and out. Outline Models: Fig 9 – cover removal Fig 10 – spindle magnet plate Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 21 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 22 Defect -Trays 2-5 loaded Defect - All or some trays Out Default = Tray 1 loaded Outline Models: (shown is tray 3 loaded) Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 22 Protection SA-PT1060 Audio...
  • Page 23 0Vdc 5Vdc Q3 home (gear Tray moves sens) back / forth 5Vdc 0Vdc 0Vdc 0Vdc Q5 open (lever H at tray out sens) Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 23 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 24: Sh-Fx65/66 Rear Receiver Setup

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 25 Go to the next page. * Verification is from the front panel tray compartment. Trays 2-5 are seen below Mech p/n = RD-DDC026-S but tray 1 is recessed (loaded). Panasonic CR-14 Traverse/Laser p/n = RD-DDtx002-V Tray 1 inside Mechanism - Default Position...
  • Page 26 (permitting the traverse assembly to lift out). Go to the next page. Fig 15 back Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 26 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 27 Removing the Laser assembly: 3. Lift up the TRV assembly in the direction of the two arrows shown. Go to the next page. back Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 27 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 28 (A & B) outlined. 5. During the insertion, mate the pin of the laser slider (A) to the mechanism’s corresponding groove (B). Go to the next page. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 28 Protection SA-PT1060 Audio...
  • Page 29 8. Make sure the catch is back down. 9. Finished. Turn the mechanism over and connect the mech’s 3 ribbon cables to the remainder of the unit. Fig 18 Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 29 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 30: Wireless Troubleshooting Plan

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 31 Reg circuit (IC5801, Q5802) Plug In, Power ON Sequence Press Power ON Fan turns on - Starts Noisy Hello is displayed Outline Models: Wireless SA-PT660 Last Mode used is displayed. Mech SA-PT760 Pwr Supply SA-PT960 Slide # 31 Protection SA-PT1060...
  • Page 32: Power Supply Circuit

    Power Supply Circuit Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 32 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 33: Mechanism – Stacked 5 Disc Model Cr

    Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 34 PT760 Protection Troubleshooting Concept Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 34 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 35 PT760 Protection Circuit Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 35 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 36 The unit still shuts off with an F76 error code. The problem is on the main board or power supply bd. Go to D, next page. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 36...
  • Page 37: (F61 Or F76 Error Code)

    Use the layout diagrams protection parts (D2945, error code, replace SMD Q2919, Q2909, Q2923,4 and (slide 25-26) to locate Q5101,Q5102. related zeners. jumpers and key parts. Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 37 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 38 Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...
  • Page 39: Outline Models

    Audio Processing Concepts Outline Models: Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 39 Protection SA-PT1060 Audio SH-FX67, 85...
  • Page 40: No Audio (Main Unit)

    Same output with or without speakers. PAM = Pulse Amplitude Modulation * Output ICs can be turned off from the mute Outline Models: input. 5V = norm, 3V = mute, 0V = Off. Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960 Slide # 40 Protection...
  • Page 41: Mech Sa-Pt760

    Normal signal levels when the volume control is max at 50 are at the audio processing concepts Outline Models: diagram, lower left corner box. Vp-p Levels are with the “S Music” On and Off. Wireless SA-PT660 Mech SA-PT760 Pwr Supply SA-PT960...
  • Page 42 Hints – p/n, New codes, Tests, Reset Layout w test points and PS voltages Wireless SH-FX65/66 Rear Receiver Setup Wireless Troubleshooting Plan SA-PT660 Testing & Paring Trans & Rec center Transmitter / Receiver Repair Info Power ON Power On Sequence Mechanism –...

Table of Contents