Panasonic SA-PT850GC Service Manual
Panasonic SA-PT850GC Service Manual

Panasonic SA-PT850GC Service Manual

Dvd home theater sound system
Table of Contents

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Specifications
GENERAL
Power Supply:
Power Consumption:
Power Consumption in Standby Mode:
Dimensions (W×H×D):
Mass:
Operating Temperature Range:
Operating Humidity Range:
AMPLIFIER SECTION
RMS Output Power: Dolby Digital Mode
Total RMS Dolby Digital mode power:
At 1 kHz and total harmonic of 10%
Front Ch:
Center Ch:
Surround Ch:
At 100 Hz and total harmonic of 10%
AC 110-127 V/220-240 V,
50/60 Hz
125 W
approx. 0.8 W
430×64.7×364.4 mm
Main unit approx. 3.5 kg
+5°C to +35°C (+41°F to
+95°F)
5% to 90% RH (no
condensation)
1000 W
125 W / Channel (3 Ω)
250 W / Channel (6 Ω)
125 W / Channel (3 Ω)
DVD Home Theater Sound System
SA-PT850GC
SA-PT850GCS
SA-PT850GCT
SA-PT850GS
Colour
(K).......................Black Type
Subwoofer Ch:
DIN Output Power: Dolby Digital Mode
Total DIN Dolby Digital mode power:
At 1 kHz and total harmonic of 1%
Front Ch:
Center Ch:
Surround Ch:
At 100 Hz and total harmonic of 1%
Subwoofer Ch:
FM TUNER, TERMINALS SECTION
Preset Memory:
Frequency Modulation (FM)
Frequency range:
Sensitivity:
S/N 26 dB:
Antenna terminals:
Digital Audio Input:
Optical digital input:
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0705019CE
250 W / Channel (6 Ω)
580 W
70 W / Channel (3 Ω)
150 W / Channel (6 Ω)
70 W / Channel (3 Ω)
150 W / Channel (6 Ω)
FM 30 stations
87.50-108.00 MHz
(50-kHz step)
1.8 µV (IHF)
1.4 µV
75 Ω (unbalanced)
Optical terminal
Unauthorized
copying
and

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Summary of Contents for Panasonic SA-PT850GC

  • Page 1 ORDER NO. MD0705019CE DVD Home Theater Sound System SA-PT850GC SA-PT850GCS SA-PT850GCT SA-PT850GS Colour (K).......Black Type Specifications 250 W / Channel (6 Ω) GENERAL Subwoofer Ch: Power Supply: AC 110-127 V/220-240 V, DIN Output Power: Dolby Digital Mode 50/60 Hz Total DIN Dolby Digital mode power:...
  • Page 2 Picture resolution: between 160 x 120 and 6144 x 4096 pixels (Sub sampling is 4:0:0, 4:2:0, 4:2:2, or 4:4:4). Extremely long and narrow pictures may not be displayed. *5 MPEG4 data recorded with the Panasonic SD multi cameras or DVD video recorders. Conforming to SD VIDEO specifications (ASF standard)/ MPEG4 (Simple Profile) video system/G.726 audio system.
  • Page 3 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 4: Table Of Contents

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS CONTENTS Page Page 1 Safety Precautions 10.8. Disassembly of Panel P.C.B. 1.1. GENERAL GUIDELINES 10.9. Disassembly of USB P.C.B. 1.2. Before Repair and Adjustment 10.10. Disassembly of Rear Panel 1.3. Protection Circuitry 10.11. Disassembly of DVD Mechanism Unit 1.4.
  • Page 5 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.3. DVD (Audio) 21.6. SMPS P.C.B. 18.4. DVD (Video) 21.7. AC-Inlet, Relay, Tray Loading & Voltage Selector P.C.B. 18.5. DVD (HDMI) 18.6. Audio 22 Basic Troubleshooting Guide 18.7. Audio Digital Amp 22.1. Basic Troubleshooting Guide for Traverse Unit (DVD 18.8.
  • Page 6: Safety Precautions

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 1 Safety Precautions 1.1. GENERAL GUIDELINES 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.
  • Page 7: Safety Parts Information

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS “shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used. If this occurs, follow the procedure outlines below: 1. Turn off the power. 2. Determine the cause of the problem and correct it.
  • Page 8: Caution For Ac Cord

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 1.5. Caution for AC Cord (For Saudi Arabia and Kuwait) WARNING: DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER ("GS" area code model only) E, BY THE EARTH SYMBOL OR COLOURED GREEN OR For your safety, please read the following text carefully.
  • Page 9: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 2 Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...
  • Page 10: Precaution Of Laser Diode

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 3 Precaution of Laser Diode CAUTION : This product utilizes a laser diode with the unit turned on, invisible laser radiation is emitted from the pickup lens. Wavelength : 662nm/785nm Maximum output radiation power from pickup : 100µW/VDE Laser radiation from pickup unit is safety level, but be sure the followings: 1.
  • Page 11: About Lead Free Solder (Pbf)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 4 About Lead Free Solder (PbF) 4.1. Service caution based on legal restrictions 4.1.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.
  • Page 12: Handling Precautions For Traverse Unit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 5 Handling Precautions for Traverse Unit The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be taken avoid caution to electrostatic breakdown when servicing and handling the laser diode in the traverse unit.
  • Page 13 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 14: Accessories

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 6 Accessories • • • • Note: Refer to “Replacement Parts List” (Section 26) for the part number. Speaker cord Remote control Antenna wire AC cord (GC/GCS/GCT) Video cable AC clamp filter Screw...
  • Page 15: Operation Procedures

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 7 Operation Procedures 7.1. Remote Control Key Buttons Operations Television operations Adjust the television volume Select the source DVD: DVD/CD Switch the main unit on or off EXT-IN: USB , AUX, Change the television’s video input mode D-IN, MUSIC P.
  • Page 16: Main Unit Key Buttons Operations

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 7.2. Main Unit Key Buttons Operations /MEMORY Disc playback, Memorise the receiving radio stations Standby/on switch [ /I] Press to switch the unit from on to / TUNE MODE / FM MODE standby mode or vice versa. In standby...
  • Page 17: Wireless Surround (Sh-Pt850)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 7.3. Wireless Surround (SH-PT850) 7.3.1. Wireless System Key Buttons Operations The illustration shows the wireless system for SH-FX65. Unit on/off button [ Use this button to turn the wireless system on and off.
  • Page 18: Using The Viera Link "Hdavi Control

    VIERA Link "HDAVI Control" is a convenient function that This function works only when "DVD/CD", "USB", "AUX " offers linked operation of this unit, and a Panasonic television or "D-IN " is selected as the source on the home theater (VIERA) under "HDAVI Control".
  • Page 19: Music Port Connection And Operation

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 7.5. Music Port Connection and Operation The Music Port allows you to connect and enjoy music from To select "MUSIC P.". an external device (example: MP3 player) through your D-IN (Digital In) home theater system.
  • Page 20: Usb Connection And Operation

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 7.6. USB Connection and Operation Example: The USB connectivity enables you to connect and play tracks or files from USB mass storage class devices. Typically, USB memory devices. (Bulk only transfer) Preparation Before connecting any USB mass storage device to the unit, ensure that the data stored therein has been backed It is not recommended to use a USB extension cable.
  • Page 21: Audio & Video Connections

    O/I page 24, Set "Video Output Mode" ( Picture Menu). VIERA Link ("HDAVI Control") If your Panasonic television is a VIERA Link compatible television, you can operate your television synchronising with home theater operations or vice versa (O/I page 39). Note Make the extra audio connection (O/I page 36) when you use "HDAVI...
  • Page 22: Disc Information

    Closing the session will also work. MPEG4 data recorded with the Panasonic SD multi cameras or DVD video recorders [conforming to SD VIDEO specifications (ASF standard)/MPEG4 (Simple Profile) video system/G.726 audio system].
  • Page 23: Tips For Making Data Discs

    You can play MPEG4 data [conforming to SD VIDEO speci c fi ations (ASF standard)/MPEG4 (Simple Pro le) video system/G.726 audio system] recorded with Panasonic SD multi cameras or DVD video rec orders with this unit. The recording date may differ from that of the actual date.
  • Page 24: New Features

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8 New Features 8.1. About HDMI 8.1.1. What is HDMI? 8.1.2. Advanced Digital Pictures...
  • Page 25 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8.1.3. Advanced Digital Sound 8.1.4. Easy to Use 8.1.5. HDMI Compatible Products...
  • Page 26: Wireless Features

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8.2. Wireless Features 8.2.1. Function Overview Year 2007 PT models support wireless which includes FX65/FX66, wireless subwoofer and FX85 as described below:- 8.2.1.1. FX65/FX66 • • • • The FX65/FX66 supports one-way wireless transmission only, that is, it will only transmit wireless audio signal to the rear surround speakers.
  • Page 27: Block Diagram

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8.2.2. Block Diagram • • • • There are two types of transmitter cards, Type A and Type B, and two types of receiver modules, Type 1 and Type 2 for the wireless configuration. The block diagrams below describe the differences of each of the types.
  • Page 28: Led Indication

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8.2.2.2. TX-TYPE B / RX-TYPE 2 Note: FX65/FX66 SIGNAL FLOW - FX85 S S IGNAL F F LOW - ONE WAY AND SIMULTANEOUS - FX65/FX66 + FX85 - FX65/FX66 TRANSMITTER NOT USED, NEED TO IDSET...
  • Page 29 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS This button will send command to the main unit to play CD/DVD as well as the iPod. This function is therefore meaningful only if the second room selector is in Main Source (with the first room user in CD/DVD or iPod) and iPod.
  • Page 30 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8.2.6. FX Configurations There are four types of configurations for the FX series. This is explained by the following illustrations below: Case 1: FX65/FX66 • • • • This is the basic configuration of FX65/FX66 whereby it is only receiving wireless surround audio signal from the main set. This uses a Type A transmitter which is only able to send audio in one direction.
  • Page 31 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS CH2/AB CH2/AB Case 3 B: FX65/FX66 + FX85 + Wireless Subwoofer (for PTX7, PT1050) • • • • In this configuration, all audio source for the Type 1 subwoofer and Type 1 first room receiver (FX65/FX66) through streams AB via Ch 2 and Type 2 second room receiver (FX85) comes from transmitter B through streams CD via Ch 1.
  • Page 32: Doctor Mode

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 8.2.7. User Operation Flow START Is Tx card inserted? Insert Tx card POWER ON MAINSET Is there audio source playing? Play music Is music heard on CHECK FOR SPEAKER Is wireless link led...
  • Page 33: Self-Diagnosis And Special Mode Setting

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9 Self-Diagnosis and Special Mode Setting 9.1. Service Mode Summary Table The service modes can be activated by pressing various button combination on the main unit and remote control unit. Below is the summary for the various modes for checking:...
  • Page 34 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.2.1. Service Mode Table 1 Item Key Operation FL Display Mode Name Description Front Key Jitter check Jitter check. In STOP (no disc) mode, (Display 1) Jitter rate is measured and displayed. press [STOP] button on the...
  • Page 35 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.2.2. Service Mode Table 2 Key Operation Item FL Display Mode Name Description Front Key (Display 1) DVD laser DVD laser drive current measurement. In STOP (no disc) mode, drive current DVD laser drive current is measured...
  • Page 36 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.2.3. Service Mode Table 3 Item Key Operation FL Display Mode Name Description Front Key Micro-processor Micro-processor firmware version In STOP (no disc) (Display 1) firmware version display & EEPROM checksum display. mode, press [STOP] display &...
  • Page 37 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Product Region TV Broadcasting Model Series Country Region Signal System Region Display Code OSD Menu Language System (Default) (Default) English, Spanish, Canadian P, PC, PX USA, Canada, PX NTSC NTSC (*A) French Japan...
  • Page 38 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.2.4. Service Mode Table 4 Item Key Operation FL Display Mode Name Description Front Key DVD Module P.C.B. firmware version In STOP (no disc) Module P.C.B. is displayed on the FL Display. mode, press [STOP]...
  • Page 39 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.2.5. Service Mode Table 5 Item Key Operation FL Display Mode Name Description Front Key Timer 1 check Timer 1 check In STOP (no disc) (Display 1) Laser operation timer is measured mode, press [STOP] separately for DVD laser and CD laser.
  • Page 40 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.2.6. Optical Pick-up Self-Diagnosis The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing the optical pickup when "NO DISC"...
  • Page 41: Wireless Service Mode Summary Table

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.3. Wireless Service Mode Summary Table The service modes can be activated by pressing various button combination on the player and remote control unit. Below is the summary of major checking: Player buttons...
  • Page 42: Service Mode Table (Wireless)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.4. Service Mode Table (Wireless) By pressing various button combinations on the player and remote control unit, you can activate the various service modes for checking. 9.4.1. Service Mode Table 1 Item Key Operation...
  • Page 43 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.4.2. Service Mode Table 2 Item Key Operation FL Display Mode Name Description Front Key (Display 1) RF Channel RF Channel 1 Display* Main room is in AUX mode. Selection Display FL Display sequence:...
  • Page 44: Dvd Self Diagnostic Function-Error Code

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.5. DVD Self Diagnostic Function-Error Code 9.5.1. Mechanism Error Code Table Error Diagnosis Contents Description of error Automatic FL Display Remarks Code H01 Tray loading error The tray opening and closing is Press [ STOP] on abnormal.
  • Page 45 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.5.2. DVD Module Error Code Table Error Diagnosis Contents Description of error Automatic FL Display Remarks Code U702 HDMI/DVI I2C The communication error of I2C Press [ STOP] on communication error when connecting it with HDMI/ main unit for next error.
  • Page 46: Power Amp

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.5.3. Power Supply Error Code Table Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F61 The abnormalities In normal operation, when DCDET2 Press [ STOP] on in an output or power goes to "L" (Low) (Not during POWER main unit for next error.
  • Page 47: Sales Demonstration Lock Function

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.5.5. USB Error Code Table Error Diagnosis Contents Description of error Automatic FL Display Remarks Code F650 USB device: Devices Devices other than the mass storage Press [ STOP] on other than mass class are connected.
  • Page 48: Service Precautions

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 9.7. Service Precautions 9.7.1. Recovery after the DVD player is repaired • • • • When the FLASH ROM IC or DVD Module P.C.B. is replaced, carry out the recovery processing to optimize the drive.
  • Page 49: Assembling And Disassembling

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 10 Assembling and Disassembling “ATTENTION SERVICER” Be careful when disassembling and servicing. Some chassis components may have sharp edges. Special Note: 1. This section describes the disassembly procedures for all the major printed circuit boards and main components.
  • Page 50: Disassembly Flow Chart

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 10.1. Disassembly Flow Chart 10.3. Top Cabinet 10.4. DVD Lid 10.10. Rear Panel 10.14. Main P.C.B. 10.15. Regulator IC 10.5. Front Panel (IC2903) 10.16. Wireless 10.6. Volume P.C.B. Adapter P.C.B. 10.7. Mic P.C.B.
  • Page 51: Main Components And P.c.b. Locations

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 10.2. Main Components and P.C.B. Locations...
  • Page 52: Disassembly Of Top Cabinet

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 10.3. Disassembly of Top Cabinet Step 1 Remove 4 screws. Step 2 Remove 3 screws at the rear panel Step 3 Lift up and remove the top cabinet in the direction of arrows.
  • Page 53: Disassembly Of Front Panel

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Special Note : Avoid placing the set in a position that might cause damage to the jacks when removing the front panel. Note : You can return the tray by turning the gear jig clockwise.
  • Page 54: Disassembly Of Mic P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 10.8. Disassembly of Panel P.C.B. • • • • Disassembly of Earth Spring • • • • Follow (Step 1) to (Step 3) of Item 10.3. Step 2 Remove 1 screw from the earth spring.
  • Page 55: Disassembly Of Usb P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 3 Remove Voltage Selector P.C.B. from the catches at the rear panel. 10.9. Disassembly of USB P.C.B. • • • • Follow (Step 1) to (Step 3) of Item 10.3. • • • • Follow (Step 1) to (Step 4) of Item 10.4.
  • Page 56: Disassembly Of Relay P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 10.13. Disassembly of DVD Module Step 1 Remove 2 screws from the DVD mechanism unit. P.C.B. Step 2 Detach FFC cable from the connectors (FP8251 & • • • • Follow (Step 1) to (Step 3) of Item 10.3.
  • Page 57: Disassembly Of Main P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 3 Remove 4 screws from Main P.C.B. Step 8 Remove 2 screws from the rear panel. Step 9 Release the tab of rear panel in the direction of arrow. Step 10 Remove DVD Module P.C.B.
  • Page 58: Disassembly Of Wireless Adapter

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 1 Desolder pins of the regulator IC (IC2903) on the back side of Main P.C.B. Step 3 Remove 8 screws. Step 4 Release the tab of the rear panel in the direction of arrow.
  • Page 59: Replacement Of Digital Amp Ic (Ic5000)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 8 Remove Voltage Selector P.C.B. from the catches at the rear panel. • • • • Disassembly of D-Amp P.C.B. Step 3 Remove the wire clamper to detach FFC cable from the connector (CN5801) on SMPS P.C.B.
  • Page 60: Disassembly Of Smps, Ac-Inlet & Voltage Selector P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS • • • • Follow (Step 1) to (Step 10) of Item 10.17. Step 1 Remove 3 screws from SMPS P.C.B. Step 2 Remove 1 screw from AC-Inlet P.C.B. Step 1 Desolder pins of the digital amp IC (IC5000) on the back Step 3 Remove the wire clamper to detach FFC cable from the side of D-Amp P.C.B.
  • Page 61: Replacement Of Switch Regulator Ic/Diode (Ic5701/D5702)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 2 Remove 1 screw from the switch regulator IC (IC5701) Step 8 Release the tab of the rear panel in the direction of or diode (D5702). arrow. Step 3 Remove the switch regulator IC (IC5701) or diode Step 9 Remove SMPS, AC-Inlet &...
  • Page 62: Replacement Of Regulator Diode (D5803)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step Remove screw from regulator diode (D5801/D5802). Step 3 Remove the regulator diode (D5801/D5802) from the heatsink unit C. Caution : Handle the heatsink unit C with caution due to its Step 2 Remove 1 screw from the regulator diode (D5803).
  • Page 63: Assembly And Disassembly Of Dvd Mechanism Unit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 11 Assembly and Disassembly of DVD Mechanism Unit 11.1. Disassembly Procedure Step 4 Remove the traverse unit. 11.1.1. Disassembly of Traverse Unit (with Middle Chassis) Step 1 Slide the lever (A) in the arrow direction (to the opposite side) till it stops.
  • Page 64 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS (Assembly of the tray unit) Step 2 Raise the mecha chassis vertically. Step 1 Insert a part of the tray into the unit sliding over the Step 3 Slide the lever in the arrow direction till it stops and pull groove on the mecha chassis.
  • Page 65 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 4 Remove the belt. Step 5 Unlock the tab and remove the pulley gear. 11.1.3. Disassembly of Loading Section Step 6 Remove the relay gear. Step 1 Spread the tabs at the both sides and push out the drive arm.
  • Page 66: Disassembly Of Traverse Unit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 9 Pull the lever (B) at the bottom side in the direction of arrow and remove the change lever. 11.1.5. Disassembly of Traverse Unit Step 1 Spread the tabs to push in the pin in the direction of arrows.
  • Page 67 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Step 3 Remove the middle chassis. Step 4 Remove the traverse unit.
  • Page 68: Service Position

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 12 Service Position 12.1. Checking & Repairing Panel P.C.B. Step 1 Remove the top cabinet. Step 2 Remove the DVD lid. Step 3 Disassemble the front panel. Step 4 Disassemble Panel P.C.B. Step 5 Disassemble Volume P.C.B.
  • Page 69: Checking & Repairing D-Amp

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 12.4. Checking & Repairing D-Amp P.C.B. • • • • Follow (Step 1) to (Step 16) of Item 12.3. Step 1 Turn over D-Amp P.C.B vertically and place it according to the diagram shown below.
  • Page 70 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 71: Measurements And Adjustments

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 13 Measurements and Adjustments 13.1. Service Tools and Equipment Application Name Number Tilt adjustment DVD test disc DVDT-S20 [SPG] TORX screw driver (T6) Available on sales route. (T6) or RFKZ0185 [SPG] Others Grease...
  • Page 72: Optical Adjustment

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 13.4. Optical adjustment 13.4.1. Optical pickup tilt adjustment Measurement point Adjustment point Mode Disc Tangential adjustment screw T01 (inner periphery) play DVDT-S20 [SPG] Tilt adjustment screw T30 (center periphery) T43 (outer periphery) play...
  • Page 73: Abbreviations

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 14 Abbreviations INITIAL/LOGO ABBREVIATIONS ERROR TORQUE CONTROL ERROR TORQUE CONTROL INITIAL/LOGO ABBREVIATIONS REFERENCE A0~UP ADDRESS ENCSEL ENCODER SELECT ACLK AUDIO CLOCK ETMCLK EXTERNAL M CLOCK (81MHz/40.5MHz) AD0~UP ADDRESS BUS ETSCLK EXTERNAL S CLOCK (54MHz)
  • Page 74 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS INITIAL/LOGO ABBREVIATIONS INITIAL/LOGO ABBREVIATIONS READ ENABLE VBLANK V BLANKING RFENV RF ENVELOPE COLLECTOR POWER SUPPLY RF PHASE DIFFERENCE OUTPUT VOLTAGE (CD-ROM) REGISTER SELECT VCDCONT VIDEO CD CONTROL (TRACKING RSEL RF POLARITY SELECT BALANCE)
  • Page 75: Voltage And Waveform Chart

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 15 Voltage and Waveform Chart 15.1. DVD Module P.C.B. IC3901 Ref No. MODE CD PLAY IC3901 Ref No. MODE CD PLAY IC3901 Ref No. MODE CD PLAY IC3901 Ref No. MODE CD PLAY IC3901 Ref No.
  • Page 76 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS IC8421 Ref No. MODE CD PLAY IC8421 Ref No. MODE CD PLAY IC8601 Ref No. MODE CD PLAY Ref No. IC8606 MODE CD PLAY IC8611 Ref No. MODE CD PLAY IC8651 Ref No.
  • Page 77: Main

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 15.2. Main P.C.B. Ref No. IC2001 MODE CD PLAY STANDBY IC2001 Ref No. MODE CD PLAY STANDBY IC2001 Ref No. MODE CD PLAY STANDBY IC2001 Ref No. MODE CD PLAY STANDBY IC2001 Ref No.
  • Page 78: D-Amp

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 15.3. D-Amp P.C.B. IC5000 Ref No. MODE CD PLAY 29.1 -29.2 -21.2 29.4 10.8 -0.1 -29.4 -17.3 -29.4 -0.1 10.8 29.4 -29.2 -29.2 29.1 STANDBY 29.1 -29.2 -21.2 29.4 -0.1 -29.4 -17.2 -29.4 -0.1...
  • Page 79: Panel & Tray Loading P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 15.5. Panel & Tray Loading P.C.B. IC6106 IC6107 Ref No. MODE CD PLAY -6.9 -6.1 STANDBY -6.9 IC6901 Ref No. MODE CD PLAY -24.4 -24.4 -24.4 -19.6 -19.8 STANDBY -24.4 -24.4 -24.4 -14.9 -19.6...
  • Page 80: Waveform Chart

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 15.7. Waveform Chart 15.7.1. Waveform 1 WF No. IC2001-15 (PLAY) WF No. IC2101-14,19 (PLAY) WF No. IC2101-15,16,17, 18 (PLAY) 5.2Vp-p(100nsec/div) 2.8Vp-p(100sec/div) 2.4Vp-p(200usec/div) 8Vp-p(200usec/div) WF No. IC2101-95, 96 (PLAY) 1.5Vp-p(200usec/div) 3.2Vp-p(200usec/div) 3.2Vp-p(200usec/div) 6.8Vp-p(200usec/div) WF No. IC2102- 7(PLAY) WF No.
  • Page 81 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 15.7.2. Waveform 2 WF No. IC5300-2,22 (PLAY) WF No. IC5500-5 (PLAY) WF No. IC5500-8 (PLAY) WF No. IC5701-1,4 (PLAY) 0.6Vp-p(200usec/div) 7.2Vp-p(500nsec/div) 5.6Vp-p(500nsec/div) 170Vp-p(5msec/div) WF No. IC5799-2,3,5 (PLAY) WF No. IC5801-1,2,3 (PLAY) WF No. IC6901-5 (PLAY) 180Vp-p(5msec/div) 0.5Vp-p(2usec/div)
  • Page 82: Illustration Of Ic's, Transistors And Diodes

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 16 Illustration of IC’s, Transistors and Diodes RFKWMHB0E321 C0HBB0000057 (44p) (GC/GS) C0ABBA000168 (8p) C0JBAB000902 (14p) C1AB00002735 (100p) C0ABBB000230 (8p) C0JBAB000908 (6p) RFKWMHB0F320 C2CBYY000418 (100p) C0ABBB000350 (8p) C0JBAF000716 (14p) (GCS/GCT) MN2DS0018MP (216P) C0DBZYE00002 (8p)
  • Page 83: Wiring Connection Diagram

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 17 Wiring Connection Diagram TO FAN UNIT CN6301 P5701 CN5501 AC IN AC-INLET P.C.B. 110V-127V 220V-240V (SOLDER SIDE) 50/60HZ CN6300 WIRELESS ADAPTER P.C.B. GRY RED D-AMP P.C.B. TO DIGITAL (SOLDER SIDE) TRANSMITTER (SOLDER SIDE) JK5001 SMPS P.C.B.
  • Page 84 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 85: Block Diagram

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18 Block Diagram 18.1. System Control T2900 SWITCHING FL6901 TRANSFORMER IC2001 C2CBYY000418 CN6902 CN2007 FL DISPLAY SYSTEM CONTROL FP2900 CN6902 CN2007 +18V S901 PLAY Q2900 CS901 CN2015 TRAY CLOSE FX EN PSAVE IC6901...
  • Page 86: Dvd (Servo)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.2. DVD (Servo) : CD HEAD SIGNAL LINE : DVD RF SIGNAL LINE : TRACKING ERROR SIGNAL LINE : DVD HEAD SIGNAL LINE : MOTOR DRIVE SIGNAL LINE : FOCUS ERROR SIGNAL LINE...
  • Page 87: Dvd (Audio)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.3. DVD (Audio) : DVD RF SIGNAL LINE : DVD AUDIO SIGNAL LINE : MAIN SIGNAL LINE : USB SIGNAL LINE IC8421 IC8001 C0FBBK000050 MN2DS0018MP AUDIO DAC DV5.0 LSI OPTICAL PIC-UP UNIT FP8531...
  • Page 88: Dvd (Video)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.4. DVD (Video) : DVD VIDEO SIGNAL LINE IC8001 IC2801 MN2DS0018MP C9ZB00000461 DV5.0 LSI VIDEO BUFFER BIAS Q8331 Y/PY/G FP8101 CN2001 CY IN 12 MHz DAC1 OUT BUFFER CY OUT JK2001 Y(RED) CLAMP...
  • Page 89: Dvd (Hdmi)

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.5. DVD (HDMI) : DVD AUDIO SIGNAL LINE : DVD VIDEO SIGNAL LINE : MAIN SIGNAL LINE IC8001 MN2DS0018MP DV5.0 LSI HDMI TRANSMITTER IC3901 MN864702A HDMI CONNECTOR P3901 EXDT15 DVOUT0 EXT SWING D+3.3V...
  • Page 90: Audio

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.6. Audio :MAIN SIGNAL LINE :FM SIGNAL LINE :AUX/ MIC/ MUSIC PORT SIGNAL LINE IC2101 C1AB00002735 Q2201 AUDIO SIGNAL PROCESSOR MUTING FROM HP MUTE CONTROL SYSTEM CONTROL IC2751 C0ABBB000350 OPERATIONAL AMP RECOUTL SYSTEM CONTROL...
  • Page 91: Audio Digital Amp

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.7. Audio Digital Amp + 30V SENSE - 30V SENSE IC5000 :MAIN SIGNAL LINE C1BA00000487 AUDIO DIGITAL POWER AMP SPEAKERS + 30V SENSE - 30V SENSE IC5200 FRONT L C1BA00000487 BOOT1 AUDIO DIGITAL POWER AMP...
  • Page 92: Power

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 18.8. Power IC5799 MIP4110MSSCF T5751 BACKUP SWITCHING REGULATOR TRANSFORMER CN2004 CN5802 SYS6V SYS6V CN2004 CN5802 PCONT D5896 TO/FROM SYSTEM CONTROL CN2004 CN5802 SYNC Q2911, D2919 +5V REGULATOR SW+5V Q2916, D2937, D2938 CN2002 T+9V...
  • Page 93: Schematic Diagram Notes

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS : DVD Audio signal line 19 Schematic Diagram Notes • • • • This schematic diagram may be modified at any time : DVD Video signal line with the development of new technology.
  • Page 94 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 95: Schematic Diagram

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 20 Schematic Diagram 20.1. DVD Module (DV5/HDMI) Circuit SCHEMATIC DIAGRAM - 1 : CD HEAD SIGNAL LINE : DVD RF SIGNAL LINE : DVD AUDIO SIGNAL LINE : FOCUS ERROR SIGNAL LINE DVD MODULE (DV5) CIRCUIT...
  • Page 96 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 2 DVD MODULE (DV5) CIRCUIT : +B SIGNAL LINE : DVD AUDIO SIGNAL LINE : DVD VIDEO SIGNAL LINE : MAIN SIGNAL LINE : USB SIGNAL LINE FP8101 ADAC-CLK ADAC-CLK...
  • Page 97 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 3 DVD MODULE (DV5) CIRCUIT : +B SIGNAL LINE : DVD AUDIO SIGNAL LINE : MOTOR DRIVE SIGNAL LINE : DVD RF SIGNAL LINE TO DVD MODULE (DV5) SECTION (1/4)
  • Page 98 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 4 : CD HEAD SIGNAL LINE : MOTOR DRIVE SIGNAL LINE : DVD RF SIGNAL LINE DVD MODULE (DV5) CIRCUIT : +B SIGNAL LINE : DVD HEAD SIGNAL LINE : TRACKING ERROR SIGNAL LINE...
  • Page 99 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 5 DVD MODULE(HDMI) CIRCUIT : +B SIGNAL LINE : DVD AUDIO SIGNAL LINE : DVD VIDEO SIGNAL LINE : MAIN SIGNAL LINE LB3907 J0JHC0000045 C3904 4V330 LB3902 J0JHC0000045 C3902 C3910...
  • Page 100: Main, Panel & Mic Circuit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 20.2. Main, Panel & Mic Circuit SCHEMATIC DIAGRAM - 6 :-B SIGNAL LINE MAIN CIRCUIT :+B SIGNAL LINE :MAIN SIGNAL LINE :FM SIGNAL LINE :DVD VIDEO SIGNAL LINE R2752 C2754 D2752 B0ACCK000005 R2758...
  • Page 101 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 7 :-B SIGNAL LINE MAIN CIRCUIT :+B SIGNAL LINE :MAIN SIGNAL LINE :MIC / MUSIC PORT SIGNAL LINE D2009 B0ACCK000005 DVD_D+5V Q2007 DVD_MUTE UNR211H00L MUTING CONTROL Q2008 C2140 50V4.7 B1GBCFJN0033...
  • Page 102 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 8 :-B SIGNAL LINE MAIN CIRCUIT :+B SIGNAL LINE :MAIN SIGNAL LINE :FM SIGNAL LINE :DVD VIDEO SIGNAL LINE :AUX / MUSIC PORT / MIC SIGNAL LINE R2299 TO MAIN...
  • Page 103 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 9 :-B SIGNAL LINE MAIN CIRCUIT :+B SIGNAL LINE :MAIN SIGNAL LINE :DVD VIDEO SIGNAL LINE :AUX SIGNAL LINE Q2909 Q2922 Q2919 VGND B1GBCFJN0033 B1GBCFJJ0051 B1ABCF000176 DC DETECT DC DETECT...
  • Page 104: Panel Circuit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 10 PANEL CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE :MUSIC PORT SIGNAL LINE FL6901 L6905 W6115 JK6802 A2BD00000170 J0JBC0000019 DGND FL DISPLAY R6968 C6933 R6949 L6907 J0JBC0000019 R6948 R6971 L6906...
  • Page 105: Mic Circuit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 11 MIC CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE :MIC SIGNAL LINE C7012 R7010 C7008 0.47 IC7000 JK7002 C0ABBB000230 H7000 MIC AMP R7007 ASP_MICIN L7001 C7007 L7004 +VCC J0JBC0000019 AGND...
  • Page 106: D-Amp & Smps Circuit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 20.3. D-Amp & SMPS Circuit SCHEMATIC DIAGRAM - 12 D-AMP CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE :MAIN SIGNAL LINE FAN_DC IC5300 C1BA00000487 AUDIO DIGITAL POWER AMP TO D-AMP SECTION (2/2) FAN_GND IC5500...
  • Page 107 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 13 D-AMP CIRCUIT :MAIN SIGNAL LINE :+B SIGNAL LINE :-B SIGNAL LINE C5445 C5450 IC5000 C1BA00000487 ZJ5400 AUDIO DIGITAL POWER AMP FR_+ C5030 C5008 C5009 C5007 C5024 C5025 C5001 C5002...
  • Page 108: Smps Circuit

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 14 SMPS CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE Q5861 - Q5862 B1ABCF000176 TRANSFORMER TEMP DETECT DCDET CN5801 +30V_SENSE +30V_SENSE FAN_18V D5801 +30V_SENSE B0HBSM000043 D-AMP CIRCUIT C5832 (H5500) -30V_SENSE IN SCHEMATIC...
  • Page 109 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS SCHEMATIC DIAGRAM - 15 SMPS CIRCUIT :+B SIGNAL LINE :-B SIGNAL LINE IC5780 C0ABBA000168 OP AMP R5751 -VCC IC5780 Q5750 B1ABCF000176 +VCC INVERTER D5796 R5790 D5796 B0ACCK000005 R5789 R5788 PC5702 SYNC B3PBA0000402 R5704...
  • Page 110: Volume, Usb, Wireless Adapter & Ac-Inlet Circuit

    AGND C2325 2700P CH2_R_OUT CH1_R_OUT CN6301 AGND MAIN CIRCUIT R2345 1.5K (CN2003) CH2_L_OUT IN SCHEMATIC AGND DIAGRAM - 6 R2445 1.5K CH2_R_OUT C2425 2700P 5VGND WM_DET 3 2 1 E6300 SA-PT850GC/GCS/GCT/GS VOLUME / USB / WIRELESS ADAPTER / AC-INLET CIRCUIT...
  • Page 111: Relay, Tray Loading, Voltage Selector & Optical Pickup

    VREF+ LD(CD) (CN2015) TRAY CCW LD(DVD) IN SCHEMATIC LDGND TRY CLOSE DIAGRAM - 7 TRY OPEN S901 PLAY C984 25V10 S902 OPEN LOADING MOTOR (REF NO. 316) SA-PT850GC/GCS/GCT/GS RELAY / TRAY LOADING / VOLTAGE SELECTOR / OPTICAL PICKUP UNIT CIRCUIT...
  • Page 112 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 113: Printed Circuit Board

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21 Printed Circuit Board 21.1. DVD Module P.C.B. DVD MODULE P.C.B (REPX0563D...GC/GS) (REPX0563E...GCS/GCT) Q3942 Q3943 C8424 R3945 FP3902 FL8104 R3944 Q3902 FP8101 R3904 Q3901 RX3901 R3925 R3943 C3927 C3920 R3946 C8421 C3964 VA3912...
  • Page 114: Main

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21.2. Main P.C.B. MAIN P.C.B. (REPX0587C...GC/GS) (REPX0587D...GCS/GCT) R2298 R2282 C2296 W2660 W2201 FP2900 R2275 R2182 CN2004 L2910 C2278 C2171 CN2020 IC2102 Q2103 C2196 R2271 R2055 W2403 Q2101 C2904 R2297 R2281 R2279 R2902 C2199...
  • Page 115: Panel & Mic

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21.3. Panel & Mic P.C.B. PANEL P.C.B. (REPX0587C...GC/GS) (REPX0587D...GCS/GCT) S6902 (OPEN/CLOSE) CN6902 R6916 W6054 C6910 W6046 MUSIC PORT W6053 W6118 W6114 IC6107 R6919 C6185 R6292 R6290 Q6110 C6934 R6966 W6002 C6187 W6119 C6186...
  • Page 116: Volume, Usb & Wireless Adapter

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21.4. Volume, USB & Wireless Adapter P.C.B. VOLUME P.C.B. (REPX0587C...GC/GS) USB P.C.B. (REPX0587C...GC/GS) (REPX0587D...GCS/GCT) (REPX0587D...GCS/GCT) VOLUME HEADPHONE CN9000 0540A-1 0540A-1 JK6801 W6035 R6809 C6201 R6807 C6805 L6201 W6036 C6806 L9005 L6101 W9000 FP9002...
  • Page 117: D-Amp

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21.5. D-Amp P.C.B. D-AMP P.C.B. (REPX0560E) CN5501 (TO FAN) W5049 Q5640 R5511 R5659 W5048 R5655 R5507 R5023 C5033 R5640 X5500 IC5500 Q5644 Q5642 R5639 W5071 D5503 IC5501 K5004 R5505 W5033 Q5641 W5007 K5301...
  • Page 118: Smps P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21.6. SMPS P.C.B. SMPS P.C.B. (REPX0569B) ZJ5803 Q5720 Q5722 D5729 W5811 D5724 D5723 C5728 Q5750 W5813 R5725 D5732 C5721 IC5780 HEATSINK W5003 W5820 D5702 R5731 W5000 Q5721 C5700 C5726 C5722 C5713 IC5701 R5702...
  • Page 119: Ac-Inlet, Relay, Tray Loading & Voltage Selector P.c.b

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 21.7. AC-Inlet, Relay, Tray Loading & Voltage Selector P.C.B. AC-INLET P.C.B. (REPX0569B) TRAY LOADING P.C.B. (REP4238A) L5702 IC904 REF NO.316 L5701 P5701 ZA5701 ZA5702 S902 250V T8AH CS901 W5780 (OPEN SW) W5741 AC IN...
  • Page 120 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 121: Basic Troubleshooting Guide

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 22 Basic Troubleshooting Guide 22.1. Basic Troubleshooting Guide for Traverse Unit (DVD Module P.C.B) Problems Checking Points Checking Components 1) Distorted picture or a) Check SDRAM address, IC8051 abnormal sound is head data bus, CLK and other...
  • Page 122: Basic Troubleshooting Guide For Hdmi Av Output

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 22.2. Basic Troubleshooting Guide for HDMI AV output Problems Checking Points Checking Components 1) TV does not have any 1) Check setting of the set *This year HDMI always ON. No need check Setup display.
  • Page 123: Checking Components

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Problems Checking Points Checking Components 2) When switching the 1) Supply for Up-Con LB3902 video output mode from (IC3901) 480P to 720p/1080i, TV - Pin 9, 124 2) GND for Up-Con display becomes blank...
  • Page 124: Overall Block Diagram For Pt850W

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 23 Overall Block Diagram for PT850W 23.1. SC-PT850W Simplified Block...
  • Page 125: Sc-Pt850W Power Block

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 23.2. SC-PT850W Power Block...
  • Page 126: Sc-Pt850W Smps Block

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 23.3. SC-PT850W SMPS Block...
  • Page 127: Terminal Function Of Ics

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 24 Terminal Function of ICs 24.1. IC2001 (C2CBYY000418): Terminal Name Function System Control IC 55 VMUTE_MAIN No connection 56 POS_SW Position Sensor Terminal Name Function 57 NC No Connection 58 NC No Connection...
  • Page 128: Exploded Views

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 25 Exploded Views...
  • Page 129: Cabinet Parts Location

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 25.1. Cabinet Parts Location...
  • Page 130 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS...
  • Page 131: Packaging

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 25.2. Packaging...
  • Page 132: Replacement Parts List

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 26 Replacement Parts List Notes: • • • • Important safety notice: Components identified by mark have special characteristics important for safety purpose. Furthermore, special parts which have purposes of fire-retardant (resistors), high-quality sound (capacitors), low-noise (resistors), etc.
  • Page 133: Component Parts List

    SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS 26.1. Component Parts List Ref. Part No. Part Name & Description Remarks RDG0548-1 RELAY GEAR Ref. Part No. Part Name & Description Remarks RDG0549 DRIVE GEAR RDV0070 BELT CABINET AND CHASSIS REM0133 MOTOR UNIT...
  • Page 134 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC7100 C1BB00001061 DIGITAL DELAY WITH ECHO Q5722 B1ABCF000176 TRANSISTOR VOLUME Q5750 B1ABCF000176 TRANSISTOR IC7200 C0ABBB000230 IC MIC AMP...
  • Page 135 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D2946 B0BC7R500001 DIODE S901 RSH1A044-1A SW PLAY D2947 B0BC010A0007 DIODE S902 RSH1A044-1A SW OPEN D2950 ERJ6GEY0R00V DIODE...
  • Page 136 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L3904 J0MAB0000170 FILTER LB8431 ERJ2GE0R00X CHIP RESISTOR L3905 J0MAB0000170 FILTER LB8491 ERJ2GE0R00X CHIP RESISTOR L3906 J0MAB0000170 FILTER...
  • Page 137 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks JK6801 K2HC103A0024 JACK HEADPHONE R2041 ERJ3GEYJ472V 4.7K 1/16W JK6802 K2HC103A0024 JACK MUSIC PORT R2043 ERJ3GEYJ103V 10K 1/16W...
  • Page 138 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2192 ERJ3GEYJ332V 3.3K 1/16W R2502 ERJ3GEYJ562V 5.6K 1/16W R2193 ERJ3GEYJ152V 1.5K 1/16W R2503 ERJ3GEYJ822V 8.2K 1/16W R2195...
  • Page 139 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R2926 ERJ3GEYJ473V 47K 1/16W R5023 ERJ3GEYJ122V 1.2K 1/16W R2927 ERX2SJ1R5E 1.5 1/32W R5030 ERJ3GEYJ562V 5.6K 1/16W R2929...
  • Page 140 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R5725 ERJ3GEY0R00V 0 1/16W R6301 ERJ3GEY0R00V 0 1/16W R5726 ERX2LJ82MP 0.82 1/32W R6803 ERJ3GEYJ122V 1.2K 1/16W R5728...
  • Page 141 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R8232 ERJ2GEJ752X 7.5K 1/32W R9022 ERJ2GE0R00X 0 1/32W R8251 ERJ6GEYJ6R8V 6.8 1/10W R9023 ERJ2GE0R00X 0 1/32W R8261...
  • Page 142 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks K8009 ERJ2GE0R00X CHIP RESISTOR [M]GCS/ W2658 ERJ6GEY0R00V CHIP RESISTOR W2659 ERJ3GEY0R00V CHIP RESISTOR K8251 ERJ3GEY0R00V CHIP RESISTOR...
  • Page 143 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2115 ECJ1VB1H331K 330P 50V C2400 ECJ1VB1A105K 1 10V C2117 ECJ1VB1C104K 0.1 16V C2401 ECJ2YB0J475K 4.7 6.3V C2118 ECJ1VB1C104K 0.1 16V...
  • Page 144 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C2913 ECEA1CKA101B 100 16V C5005 ECJ1VB1A474K 0.47 10V C2914 ECEA1AKA330B 33 10V C5006 ECJ1VB1H331K 330P 50V C2915 ECJ1VB1H103K 0.01 50V...
  • Page 145 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C5302 ECJ1VB1H104K 0.1 50V C5704 F1BAF1020020 1000P C5303 ECJ1VB1H104K 0.1 50V C5705 F1BAF1020020 1000P C5304 ECJ1VB1H331K 330P 50V...
  • Page 146 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C6913 ECEA1HKS3R3B 3.3 50V C8053 ECJ0EF1C104Z 0.1 16V C6916 ECJ1VC1H101K 100P 50V C8054 ECJ0EC1H221J 220P 50V C6917...
  • Page 147 SA-PT850GC / SA-PT850GCS / SA-PT850GCT / SA-PT850GS Ref. Part No. Part Name & Description Remarks C8526 ECJ0EB1C183K 0.018 16V C8527 ECJ0EB1A333K 0.033 10V C8528 ECJ1VB0J105K 1 6.3V C8529 ECJ1VB0J105K 1 6.3V C8530 ECJ0EF1C104Z 0.1 16V C8531 ECJ0EC1H101J 100P 50V C8532...

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