Panasonic SA-HT833VP

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23.7. Front Panel A Circuit

SCHEMATIC DIAGRAM-29

MAIN (DVD

INTERFACE :IF)

CIRCUIT (P36002) ON

SCHEMATIC DIAGRAM-11

FRONT PANEL A CIRCUIT

P7202

R7011

R7009

R7007

1.2K

R7005

1.8K

R7003

2.2K

R7001

2.7K

R7002

4.7K

S7013

POWER

S7011

INPUT

SELECTOR

S7009

DISC1

S7007

DISC2

S7005

DISC3

S7003

DISC4

S7001

DISC5

S7002

DISC

CHANGE

R7008

R7006

1.2K

R7010

S7012

OPEN/

S7010

DISC

CHECK

S7008

STOP

S7006

PLAY

R7004

1.8K

S7004

H.BASS

KEY1

GND

KEY2

GND

119

SA-HT833VP

Main Page

Default Chapter1
- Specifications1
- Table of Contents3
1 Powering up of the Main Unit5
2 Before Repair and Adjustment6
3 Protection Circuitry6
4 Safety Precautions7
- General Guidelines7
5 Handling the Lead-Free Solder8
- About Lead Free Solder (Pbf)8
6 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices9
7 Accessories10
8 Precaution of Laser Diode11
- Cautions to be Taken During Replacement of Optical Pickup11
9 Optical Pickup Self-Diagnosis and Replacement Procedure (DVD Section)13
- Self-Diagnosis13
10 Self-Diagnosis Function and Service Mode14
- Self-Diagnosis Function (VTR Section)14
- Service Mode15
- Self-Diagnosis Function (DVD Section)18
- Mode Table21
- Lock Function23
- Cautions to be Taken During Servicing23
11 Checking Points for Sys Com Timer My-Com (Ic6001)24
- (Video)24
- Points to Check When Replacing24
- Initial Setting When Replacing My-Com24
- Initial Figure (#) Setting Procedure24
12 Adjustment Procedure (DVD Section)26
- Required Tools and Equipment26
- Necessity of Adjustment26
- Storing and Handling Test Discs26
- Optical Adjustment (Optical Pickup Tilt Adjustment)26
13 Operation Procedure29
14 Disc Information31
- About Highmat33
16 Assembling and Disassembling37
- Disassembly Flow Chart37
- Positions38
- Disassembly of Top Panel39
- Disassembly of Front Panel39
- Disassembly of VTR Mecha Unit40
- Disassembly of DVD Mecha Unit41
- Disassembly of Main P.C.B42
- Disassembly of Front Panel a42
- Disassembly of Front Panel B43
- Procedure for Removing CR16 Mechanism (Precaution)43
- CR16 Mechanism Disassembly Procedure43
- Cr16 Mechanism Assembly Procedure53
- Disassembly of Traverse Mechanism65
- Removing the Cassette Tape Manually67
17 Procedure for Checking of the Major P.C.B69
- Checking the DVD Module P.C.B., CD Loading P.C.B. and69
  - Main69
  - Checking ASP P.C.B., Front Panel a P.C.B., Front Panel69
    - B P.C.B. & Power69
18 Voltage Measurement and Waveform Chart70
- Voltage Measurement70
- Waveform Chart75
19 Illustration of IC 痴, Transistors and Diodes77
20 Terminal Function of ICｴS78
- Ic36001 (C2Cbjg000576) IC Microcontroller78
21 Block Diagram79
- DVD Module Block79
- Main Block82
22 Notes of Schematic Diagram90
23 Schematic Diagram91
- Optical Pickup Unit Circuit91
- DVD Module Circuit92
- Main Circuit99
- ASP Circuit111
- Power Circuit116
- Front Panel B Circuit117
- Front Panel a Circuit119
- CD Loading Circuit120
- VCR Deck Circuit121
24 Printed Circuit Board122
- DVD Module P.C.B. (Side a and Side B)122
- Main P.C.B124
- Asp126
- Power P.C.B128
- Front Panel B P.C.B130
- Front Panel a P.C.B132
- CD Loading P.C.B. and VCR Deck P.C.B134
25 Wiring Connection Diagram135
26 Parts Location and Replacement Parts List137
- CD Loading Mechanism138
- Cassette Mechanism141
- Cabinet143
- Electrical Parts List145
- Packing Materials & Accessories Parts List157
- Packaging157

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