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Philips PS1966C122 Technical Service Data
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Philips PS1966C122 Technical Service Data

Philips PS1966C122 Technical Service Data

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Philips Consumer Electronics
Technical Service Data
Service and Quality
Service Publications Dept.
One Philips Drive
P.O. Box 14810
Knoxville, TN 37914
SAFETY NOTICE: ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE
HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS
TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING
© Philips Electronics North America Corporation
Electrical Adjustments
REFER TO SAFETY GUIDELINES
Manual 7584
Model no.: PS1966C122
First Publish: 4-16-1999
Rev. Date: 5-5-1999
Print Date: 18/11/2005
Visit our World Wide Web Site at http://www.forceonline.com

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Summary of Contents for Philips PS1966C122

  • Page 1 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...

  • Page 2: Service Mode

    E8 CHASSIS SERVICE ADJUSTMENTS REQUIRED TOOLS FOR SERVICING Isolation Transformer Multimeter Oscilloscope High Voltage (100:1) Oscilloscope Probe Sencore VG91 Universal Video Generator Caution: The E8 chassis incorporates a ”hot“ ground system. Always use a separate isolation transformer when applying power to the exposed chassis. Service Adjustment Notes: Unless Otherwise Specified: 1.
  • Page 3 All other On Screen Display (except highlighted items in SDM or SAM) will be in red. 6. It will be memorized in the EEPROM that the TV set is in SDM or SAM. This is necessary because the TV must show up in SDM or SAM again after an ac power interrupt. 7.
  • Page 4 5. To select an option code or option byte in SDM, use the Menu Up or Menu Down keys on the remote control. 6. To change the value of an option code, use the Menu Left or Menu Right keys. 7.

  • Page 5: Error Buffer

    − Y is the sub version number (Ex: 2) − the main version number is updated with a major change of specification (incompatible with the previous software version) − the sub version number is updated with a minor change (backwards compatible with the previous versions) −...

  • Page 6: Reading Error Codes

    General I²C error means: no I²C device is responding to the particular I²C bus. Possible causes: SCL short circuit to GND, SDA short circuit to GND, SCL short circuit to SDA, SDA open circuit (at IC 7600), SCL open circuit (at IC 7600) Reading Error Codes Error codes are displayed in the following ways: 1.
  • Page 7 Channel Select Time Window OFF = 2-second time window / ON = 5-second time window Surf OFF/ON Video Mute (Channel Change) OFF/ON Tuner Type OFF = Philips tuner / ON= ALPS tuner Fine Tuning OFF/ON OFF/ON OFF/ON Auto Cable Detect OFF/ON...
  • Page 8 Sound Board DB = DBX/SAP (BTSC) EC = BTSC stereo (No SAP) MA = Mono All MS = Bi Sonic (Mono by tuner, stereo by A/V jacks) Option SY : System Function: Set the multi system hardware configuration Values: SS (This option is not used in US models) OB 1 –...
  • Page 9 Values: OFF = Philips tuner (A Philips tuner will have the Philips name embossed on the side) ON = ALPS tuner (An ALPS tuner will not have the Philips name embossed on the side) Option FT : Fine Tuning Function: Enable/disable fine tuning...
  • Page 10 Option NI : No Ident (Auto Standby) Function: Enable/disable automatic switch to standby after 10 minutes when no television station signal is present Values: OFF = Disabled, no automatic switch to standby ON = Enabled, set switches to standby after 10 minutes when no television station signal is present Option NR : Noise Reduction Function: Enable/disable noise reduction function...
  • Page 11 Option AO : Audio Out (Fixed/Variable) Function: Set audio output type (where present) Values: OFF = Fixed audio out ON = Variable audio out (always on) Option ST : Sound Type Function: Set the sound type Values: BG PAL system PAL system DK PAL system Default for USA...
  • Page 12 Explanation of top level SAM menu display: The Software Identification, Cluster, and Version are explained in the Service Default Mode section under ”Explanation of Display.“ The Menu Items and Sub Menus are explained below. Note: The ”Audio“ sub menu will not be seen on screen when Service Alignment Mode is first entered.
  • Page 13 Tuner sub menu The tuner sub menu contains the following items: − IF-PLL − AFW − AGC − YD − CL − AFA and AFB The items AFA and AFB cannot be selected, they are for monitoring purposes only. The item values are stored in EEPROM if this sub menu is left. A sample display of the Tuner sub menu is shown below.

  • Page 14: Tuner Adjustment

    Tuner Adjustment: Sub Menu: TUNER Values Remarks IF-PLL IF-PLL alignment 0 – 127 This adjustment is auto-aligned (no action required) AFC window 125/275 kHz Always set to 275 kHz AGC takeover point 0 – 63 See below Y-delay adjustment 0 – 15 Always set to 12 (no effect) Cathode drive level 0 –...
  • Page 15 Sub Menu: WHITE TONE Value Range Remarks NORMAL Starting Values: NORMAL RED 0 – 63 NORMAL GREEN 0 – 63 NORMAL BLUE 0 – 63 COOL Default Value DELTA COOL RED Delta values are a change of the normal values. These start at the default values, and are set to achieve cool and warm steps of color temperature in the customer menu.
  • Page 16 Do not allow the display to time out between entries while keying the sequence. 2. From the top level SAM menu, use the Menu Up/Down keys to highlight the White Tone sub menu. 3. Use the Menu Left/Right keys to enter the White Tone sub menu. 4.

  • Page 17: Geometry Adjustments

    The picture geometry sub menu contains the following items: Sub Menu: GEOMETRY Values Remarks Vertical amplitude 0 – 63 Vertical slope 0 – 63 Service blanking ON/OFF Horizontal shift 0 – 63 E-W width 0 – 63 Not used E-W parabola/width 0 –...
  • Page 18 6. Using the Menu Left button, reduce the value so that the picture does not fill the entire screen. 7. Use the Menu Up/Down keys to select VSH (Vertical Shift) from the Geometry sub-menu and, using the Menu Left/Right keys, center the picture on the screen, top to bottom. 8.
  • Page 19 Up/Down buttons. 8. Upon completion of Geometry adjustments, press the Menu button to return to the top level SAM menu. Service Blanking (SBL): Service Blanking provides a straight cutoff line in the center of the raster. It is useful when centering the raster.

  • Page 20: Audio Adjustment

    The Audio sub menu contains the following item on stereo chassis: Sub Menu: AUDIO Values Remarks Attack time at AVL 1 – 4 Normal setting is 4. Audio Adjustment: Attack Time at AVL (AT): 1. Enter the Service Alignment Mode (SAM) by pressing the following key sequence on the remote control transmitter: 0-6-2-5-9-6-Status Do not allow the display to time out between entries while keying the sequence.

  • Page 21: Color Purity Adjustment

    2. Enter Service Alignment Mode (refer to Service Alignment Mode section). 3. Apply a center cross or crosshatch pattern to the antenna/cable input terminal. 4. Select the White Tone sub-menu by pressing the Menu Up/Down keys on the remote control so that White Tone is highlighted.
  • Page 22 Dynamic Edge Convergence Adjustment (Display Figures 3a, 3b, 3c, 4a, 4b, & 4c of Wedge Placement Graphic) Note: To secure the correct position of the deflection yoke, three rubber wedges are used. They are ultimately to be placed as shown in Figure 3c or Figure 4c. 1.
  • Page 23 While CSM is active, no changes can be made in settings or functions. When CSM is exited, the TV returns to all prior operational settings. 6. To exit CSM, press any key (on the remote control or local keyboard) except ”Channel Up“ or ”Channel Down.“...
  • Page 24 Normal operation mode Press "MUTE" button (RC) and any key on the local keyboard (except "POWER") for more than 4 seconds Store current picture, sound and feature settings (for later retrieval) Set pre-defined picture, sound and feature settings Ignore service unfriendly options Display CSM information screen "Channel up"...
  • Page 25 (Display Industrial Chassis Listings)
  • Page 26 (Display the Convergence and Purity Assembly)
  • Page 27 (Display the 2Y Spread and 2X Rotate Graphic)
  • Page 28 (Display Figures 3a, 3b, 3c, 4a, 4b, & 4c of Wedge Placement Graphic)
  • Page 29 (Display Figures 5 &6 of Yoke Tilt Graphic)
  • Page 30 (Display USA/Canadian Chissis Listings)
  • Page 31 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 40 Page: 1 of 9 Chassis: 19E8 Contents of Known Faults for: 19E8 1. - BELLY CLOCK IN MODEL 13PT30 2. - DEAD OR INTERMITTENT DEAD 3. - DOTS AND SWIRLS USING RABBIT EARS 4. - ERROR CODE 12 5. - FACTORY MODE LETTER F ON SCREEN 6.
  • Page 41 21LW392221, 21LW393221, CH1919C125, HC9913C121, HC9919C1, PA9019C121, PC9219C1, PC9219PKIT, PL9119C125, PR1305C121, PR1319C121, PR1390C121, PR1391X121, PR1903C121, PR1903C122, PR1903C125, PR1920C121, PR1920C122, PR1920C125, PR1920C601, PR1920C699, PS1946C121, PS1946C122, PS1946C125, PS1956C121, PS1956C122, PS1956C125, PS1966C121, PS1966C122, PS1966C125, SEC919C125, TL9119C125, XR1305C121, XR1391C121, XR1903C121, XR1903C122, XR1903C125, XS1956C121, XS1956C122, XS1956C125 No. 3 ****************************...
  • Page 42 21LW392221, 21LW393221, CH1919C125, HC9913C121, HC9919C1, PA9019C121, PC9219C1, PC9219PKIT, PL9119C125, PR1305C121, PR1319C121, PR1390C121, PR1391X121, PR1903C121, PR1903C122, PR1903C125, PR1920C121, PR1920C122, PR1920C125, PR1920C601, PR1920C699, PS1946C121, PS1946C122, PS1946C125, PS1956C121, PS1956C122, PS1956C125, PS1966C121, PS1966C122, PS1966C125, SEC919C125, TL9119C125, XR1305C121, XR1391C121, XR1903C121, XR1903C122, XR1903C125, XS1956C121, XS1956C122, XS1956C125 No. 6 ****************************...
  • Page 43 21LW392221, 21LW393221, CH1919C125, HC9913C121, HC9919C1, PA9019C121, PC9219C1, PC9219PKIT, PL9119C125, PR1305C121, PR1319C121, PR1390C121, PR1391X121, PR1903C121, PR1903C122, PR1903C125, PR1920C121, PR1920C122, PR1920C125, PR1920C601, PR1920C699, PS1946C121, PS1946C122, PS1946C125, PS1956C121, PS1956C122, PS1956C125, PS1966C121, PS1966C122, PS1966C125, SEC919C125, TL9119C125, XR1305C121, XR1391C121, XR1903C121, XR1903C122, XR1903C125, XS1956C121, XS1956C122, XS1956C125 No. 7 ****************************...
  • Page 44 Page: 5 of 9 Chassis: 19E8 Count the on flashes after the long flash and look up the error in the service manual. It is important to remember that the change of position of the Service Mode pins indicates a change in Memory IC Service Code and Micro-P program and Service Code. TIP: The old memory IC will continue to be shipped (9322 097 23682) as it will work with old or new Micro-P.
  • Page 45 21LW392221, 21LW393221, CH1919C125, HC9913C121, HC9919C1, PA9019C121, PC9219C1, PC9219PKIT, PL9119C125, PR1305C121, PR1319C121, PR1390C121, PR1391X121, PR1903C121, PR1903C122, PR1903C125, PR1920C121, PR1920C122, PR1920C125, PR1920C601, PR1920C699, PS1946C121, PS1946C122, PS1946C125, PS1956C121, PS1956C122, PS1956C125, PS1966C121, PS1966C122, PS1966C125, SEC919C125, TL9119C125, XR1305C121, XR1391C121, XR1903C121, XR1903C122, XR1903C125, XS1956C121, XS1956C122, XS1956C125 No. 12 ****************************...
  • Page 46 Page: 7 of 9 Chassis: 19E8 STEREO WITH VCR OR SET TOP BOX GENERAL INFORMATION: There is some misunderstanding about TV broadcast stereo and how it can be received by a TV set. TO TV ANTENNA INPUT: When the VCR is connected to the antenna (coax) connector on the TV, stereo can only be received by the TV if the VCR is in the "TV"...
  • Page 47 PR1903, XR1903 (EME830-EME840) TR2503, XR2503, HD2511 (EMF801) Use only 4835 310 57476 For all other versions of the E8 and F8 EXCEPT Philips model 20PT30 (EME838) and model 13PT30 (EME810), use 4835 310 57477. For the Philips 20PT30 (EME838) use 9352 653 73112.
  • Page 48 Page: 9 of 9 Chassis: 19E8 Resistor 3682 is missing from KB1 line. Replace with 3198 011 08220...
  • Page 49 HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES. CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING © Philips Electronics North America Corporation Visit our World Wide Web Site at http://www.forceonline.com...
  • Page 50 PS1966C122 - Manual no. 7584 Page: 1 2331 390pF., 5%, 50V, Ceramic ..3198 016 03910 E8 Chassis Replacement Parts List 2341 2200pF., 1kV, Ceramic..2020 558 90571...
  • Page 51 PS1966C122 (continued) Page: 2 2680 10uF., 20%, 50V, Electrolytic..3198 025 51090 3418 120k, 1%, 1/2W, Metal Film ..2322 156 21204 2697 1000pF., 5%, 50V, Ceramic..
  • Page 52 PS1966C122 (continued) Page: 3 3631 220k, 5%, 1/10W, Metal Film..4835 111 37235 6214 Diode, 1N4148... . . 4835 130 37048 3632 4.7k, 5%, 1/10W, Metal Film..
  • Page 53 PS1966C122 (continued) Page: 4 1102 Crystal Resonator, 32 MHz..2422 543 00056 S AC06 CRT, A48JLL40X46(M) (C122) ..4835 131 27173 1237 4 Pin Board Connector..
  • Page 54 PS1966C122(7584) - POWER SUPPLY - SECT. A1 SCHEMATIC Page: 1 of 26...
  • Page 55 PS1966C122(7584) - LINE DEFLECTION - SECT. A2 SCHEMATIC Page: 2 of 26...
  • Page 56 PS1966C122(7584) - FRAME DEFLECTION - SECT. A3 SCHEMATIC Page: 3 of 26...
  • Page 57 PS1966C122(7584) - SYNCRONIZATION - SECT. A4 SCHEMATIC Page: 4 of 26...
  • Page 58 PS1966C122(7584) - TUNER/VIDEO IF - SECT. A5 SCHEMATIC Page: 5 of 26...
  • Page 59 PS1966C122(7584) - VIDEO PROCESSING - SECT. A6 SCHEMATIC Page: 6 of 26...
  • Page 60 PS1966C122(7584) - CONTROL PROCESSOR - SECT. A7 SCHEMATIC Page: 7 of 26...
  • Page 61 PS1966C122(7584) - FRONT CONTROL - SECT. A8 SCHEMATIC Page: 8 of 26...
  • Page 62 PS1966C122(7584) - SMART SOUND AMPLIFIER - SECT. A10 SCHEMATIC Page: 9 of 26...
  • Page 63 PS1966C122(7584) - FRONT CINCH + HEADPHONE - SECT. A11 SCHEMATIC Page: 10 of 26...
  • Page 64 PS1966C122(7584) - REAR I/O CINCH - SECT. A12 SCHEMATIC Page: 11 of 26...
  • Page 65 PS1966C122(7584) - CRT PANEL - SECT. B SCHEMATIC Page: 12 of 26...
  • Page 66 PS1966C122(7584) - DECODER PANEL - SECT. D1 SCHEMATIC - ASD049/051/052 Page: 13 of 26...
  • Page 67 PS1966C122(7584) - DECODER PANEL - SECT. D2 SCHEMATIC - ASD049/051/052 Page: 14 of 26...
  • Page 68 PS1966C122(7584) - CHANNEL 1 CARD - A10680 SCHEMATIC Page: 15 of 26...
  • Page 69 PS1966C122(7584) - PRO VIDEO CARD - A10758 SCHEMATIC Page: 16 of 26...
  • Page 70 PS1966C122(7584) - PRO VIDEO JACK PANEL - A10759 SCHEMATIC Page: 17 of 26...
  • Page 71 PS1966C122(7584) - CLOCK SCHEMATIC Page: 18 of 26...
  • Page 72 PS1966C122(7584) - EVENT TIMER SCHEMATIC Page: 19 of 26...
  • Page 73 PS1966C122(7584) - MAIN CHASSIS PCB (TOP VIEW) Page: 20 of 26...
  • Page 74 PS1966C122(7584) - MAIN CHASSIS PCB (BOTTOM VIEW) Page: 21 of 26...
  • Page 75 PS1966C122(7584) - ASD049/051/052 DECODER PANEL PCB (TOP VIEW) Page: 22 of 26...
  • Page 76 PS1966C122(7584) - ASD049/051/052 DECODER PANEL PCB (BOTTOM VIEW) Page: 23 of 26...
  • Page 77 PS1966C122(7584) - OVERALL BLOCK DIAGRAM Page: 24 of 26...
  • Page 78 PS1966C122(7584) - POWER SUPPLY BLOCK DIAGRAM Page: 25 of 26...
  • Page 79 PS1966C122(7584) - POWER SUPPLY TRAINING DIAGRAM Page: 26 of 26...