Panasonic PV-M1327 Service Manual Download

Page: 2 / 143

WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

MODEL

MARK

PV-M1327

VV1307

VV1317W

PV-M1347

PV-M1357W

Use Marks shown in the chart below to distinguish the
different models included in this Service Manual.

SAFETY PRECAUTIONS ................................................ 1-1
X-RADIATION .................................................................. 1-1
PREVENTION OF ESD TO ES DEVICES ....................... 1-2
OPERATION GUIDE ....................................................... 1-3
SERVICE NOTES ............................................................ 1-7

IC, Transistor and Chip Part Information .................... 1-16

DISASSEMBLY/ASSEMBLY PROCEDURES

Disassembly/Assembly

Procedures of Cabinet Parts ..................................... 2-1

Disassembly/Assembly

Procedures of Mechanism ........................................ 2-7

Disassembly/Assembly

Procedures of Cassette Up Ass'y ............................ 2-16

ADJUSTMENT PROCEDURES

Service Fixtures and Tools ......................................... 2-18
Mechanical Adjustment .............................................. 2-19
Electrical Adjustment .................................................. 2-26
Test Points and Control Location ............................... 2-34

SCHEMATIC DIAGRAMS

Schematic Diagram

and Circuit Board Layout Notes ................................ 3-1

Junction Schematic Diagram ........................................ 3-2
Stereo Amp Schematic Diagram .................................. 3-4
Main I (Power Supply/System Control

/Servo/Operation) Schematic Diagram ..................... 3-7

Main II (Signal Process/OSD

/Audio/Audio Amp) Schematic Diagram .................. 3-11

Main III (TV Y/C Process) Schematic Diagram .......... 3-15
Main IV (Power Supply) Schematic Diagram ............. 3-19
TV Stereo Schematic Diagram ................................... 3-19
TV Main Schematic Diagram ...................................... 3-23
CRT Schematic Diagram ............................................ 3-25
UHF/VHF Tuner/TV Demodulator

Schematic Diagram ................................................. 3-27

Head Amp Schematic Diagram .................................. 3-31
Interconnection Schematic Diagram ........................... 3-37

CIRCUIT BOARD LAYOUT

Head Amp C.B.A. ......................................................... 4-1
TV Stereo C.B.A. .......................................................... 4-2
Stereo Amp C.B.A. ....................................................... 4-2
Junction C.B.A. ............................................................. 4-3
Main (Power Supply/Signal Process/OSD

/Audio/Audio Amp/TV Y/C Process
/System Control/Servo/Operation) C.B.A. ................. 4-4

TV Main C.B.A. ........................................................... 4-12
CRT C.B.A. ................................................................. 4-14
Signal Waveform ........................................................ 4-15

BLOCK DIAGRAMS

Power Supply Block Diagram ....................................... 5-1
Video Signal Path Block Diagram ................................. 5-2
Audio Signal Path Block Diagram ................................. 5-3
TV Stereo/Stereo Amp Block Diagram ......................... 5-5
System Control Block Diagram ..................................... 5-7
Servo Block Diagram .................................................... 5-8
TV Y/C Process/OSD/CCV

/TV Main Block Diagram ......................................... 5-10

Troubleshooting Hints ................................................. 5-13

EXPLODED VIEWS

1. Mechanism (Top) Section ......................................... 6-1
2. Mechanism (Bottom) Section ................................... 6-2
3. Cassette Up Compartment Section .......................... 6-3
4. Chassis Frame Section (1) ....................................... 6-4
5. Chassis Frame Section (2) ....................................... 6-5
6. Packing Parts

and Accessories Section ........................................... 6-6

REPLACEMENT PARTS LISTS

Before Replacing Parts, Read the Following ................ 7-1
Mechanical Replacement Parts List ............................. 7-2
Electrical Replacement Parts List ................................. 7-4

TABLE OF CONTENTS

MODEL

MARK

PV-M2037

VV2007

VV2017W

PV-M2047

NOT USED