Schematic Diagram; Schematic Diagram & Circuit Board Layout; Note - Panasonic Quasar PV-D300 Service Manual

8 SCHEMATIC DIAGRAM

8.1. SCHEMATIC DIAGRAM & CIRCUIT BOARD LAYOUT NOTE
1. Important safety notice
Components identified by the sign have special characteristics important for safety. When replacing any of these
components. Use only the specified parts.
2. Do not use the part number shown on this drawing for ordering. The correct part number is shown in the parts list, and may
be slightly different or amended since this drawing was prepared.
3. Use only original replacement parts:
To maintain original function and reliability of repaired units, use only original replacement parts which are listed with their
part numbers in the parts list section of the service manual.
4. Parts different in shape or size may be used.
However, only interchangeable parts will be supplied as service replacement parts.
5. Test point information
:Test point with a no test pin.
Schematic Diagram Notes
1. Indication for Zener Voltage of Zener Diodes
The Zener Voltage of Zener Diodes are indicated as such on Schematic Diagrams.
Example:
(6.2V)......Zener Voltage
2. How to identify Connectors
Each connector is labeled with a Connector No. and Pin No. Indicating what it is connected to, in other words, its counter
part.
Use the interconnection schematic diagram to find the connection between associated connectors.
Example:
The connections between C.B.A.s are shown below.
Ref. No. of the connection parts such as lead cable,
flexible cable which is supplied as a replacement parts.
The Number of pins of the Connector.
MAIN C.B.A.
RELAY C.B.A.
P2 P9001
E64 (13 Pins)
Connector No. on Main C.B.A.
3. Parts enclosed in dashed lines marked "Z" are not used in any models included in this service manual.
C3010
Example:
0.01
Z
R3002
10K
Signal Waveform Note
How to read Signal Waveform
1 Connecting Point
6 V1 1.00Vp-p
2 Volts/Div
3 Operation Mode of
VCR
4 Time/Div
5 Waveform Point on
PIN1 OF IC3001 REC Schematic
0.5V 20µs
6 ∆V1:Peak to Peak
1 2 3 4
WF5
5
Voltage Chart Note
Voltage Measurement
a. Color bar signal in SP mode.
b. ---:Unmeasurable or not necessary to measure.
Circuit Board Layout Note
Circuit Board Layout shows components installed for various models.
For proper parts content for the model you are servicing,
please refer to the schematic diagram and parts list.

NOTE:

Circuit Board Layout includes components which are not used.
Comparison chart of models & marks
MODEL MARK
PV-D300 A
VM-D100 B
PV-L550 C
PV-L600 D
PV-L650 E
VM-L450 F
Not Used Z
Note:
Refer to item 3 of Schematic Diagram Notes for mark "Z".
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PV-D300 / VM-D100 / PV-L550 / PV-L600 / PV-L650 / VM-L450