Panasonic NV-GS24EG Service Manual

Also see for NV-GS24EG: Service manual

12 Schematic Diagrams12.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT NOTES1. Important safety noticeComponents identified by the sign have specialcharacteristics important for safety. When replacing anyof these components, use only the specified parts.2. Do not use the part numbers shown on these drawings forordering.The correct part number and part value is shown in theparts list, and may be slightly different or amended sincethis drawing was prepared.3. Use only original replacement parts:To maintain original function and reliability of repairedunits, use only original replacement parts which are listedwith their part numbers in the parts list section of theservice manual.4. Parts different in shape or size may be used.However, only interchangeable parts will be supplied asservice replacement parts.5. Test point information: Test point with no test pin.Schematic Diagram Notes1. Indication for Zener Voltage of Zener DiodesThe Zener Voltages of Zener Diodes are indicated assuch on Schematic Diagrams.Example:(6.2V)......Zener Voltage2. How to identify ConnectorsEach connector is labeled with a Connector No. and PinNo. Indicating what it is connected to (its counter part).Use the interconnection schematic diagram to find theconnection between associated connectors.Example:The connections between two P.C.B.s are shownbelow.POWER SUPPLYP.C.B. MAIN P.C.B.The Number of pins of the Connector.Connector No.on Main P.C.B.P1503 P3004(10 Pins)Ref. No. of the connection parts such as lead cable,flexible cable which is supplied as a replacement parts.2443. Parts marked "PT" are not used in any models includedin this service model.Example: 100PPTC6011 R6097PTPTC6011Signal Waveform NoteHow to read Signal Waveform0.5 V 20 μsV1 1.0 Vp-p Volts/DivTime/DivV1:Peak to Peak311223Voltage Chart NoteVoltage Measurementa. Color bar signal in SP mode.b. ---:Unmeasurable or not necessary to measure.Circuit Board Layout NoteCircuit Board Layouts show components installed forvarious models.For proper parts content for the model you are servicing,please refer to the schematic diagram and parts list.NOTE:Circuit Board Layouts include components which are not used.SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT NOTESNV-GS24EG, NV-GS26GK, NV-GS27E/EB/EF/EG/EP/EE/GC/GN,NV-GS37E/EB/EG/EK/EP, NV-GS47EE/GC, NV-GS57EE/GC, NV-GS58GKModel Number IndicationModel numbers are indicated without "NV-GS."NV-GS24EG NV-GS26GK / NV-GS27E NV-GS27EB / NV-GS27EE NV-GS27EF / NV-GS27EG NV-GS27EP / NV-GS27GC NV-GS27GN / NV-GS37E NV-GS37EB / NV-GS37EG NV-GS37EK / NV-GS37EP NV-GS47EE / NV-GS47GC NV-GS57EE / NV-GS57GC NV-GS58GK75