Panasonic PT52LCX66 Service Manual - Page 61

Schematic Diagrams - service manual

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12 Schematic Diagrams 12.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 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 and part value is shown in the parts list, and may be slightly different or amended since this drawing was prepared. 3. Parts marked "PT" are not used in any models included in this service model. Example: C6011 100P PT C6011 PT R6097 PT 4. Jumper wires are used for WA10, WA5 etc and these are not supplied as replacement parts. 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. 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. 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 jumper wire across a hole in P.C.B. : Test point with 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 NOTE: Circuit Board Layout includes components which are not used. Model No. Identification Mark COMPARISON CHART OF MODELS & MARKS MODEL MARK PT-52LCX66 A PT-56LCX66 B PT-61LCX66 C PT-52LCX16 D PT-56LCX16 E Not Used PT 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. Note : Refer to item 3 of Schematic Diagram Notes for mark "PT". Example: The connections between P.C.B.s are shown below. Ref. No. of the connection parts such as lead cable, flexible cable which is supplied as a replacement parts. POWER SUPPLY P.C.B. The Number of pins of the Connector. MAIN P.C.B. P1503 244 (10 Pins) P3004 Connector No. on Main P.C.B. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16 61 PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16

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12 Schematic Diagrams
12.1. SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES
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 and part value 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 jumper wire across a hole in P.C.B.
: Test point with 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 P.C.B.s are shown below.
POWER SUPPLY
P.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.
244
3.
Parts marked "PT" are not used
in any models included
in this service model.
Example:
100P
PT
C6011
R6097
PT
PT
C6011
4.
Jumper wires are used for WA10, WA5 etc and these are
not supplied as replacement parts.
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.
SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES
PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16
Model No. Identification Mark
Note : Refer
to item 3 of Schematic Diagram Notes for mark "PT".
COMPARISON CHART
OF MODELS & MARKS
PT-52LCX66
PT-56LCX66
PT-61LCX66
PT-52LCX16
PT-56LCX16
Not Used
A
B
C
D
E
PT
MODEL
MARK
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
61