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SU-V505(K)
Technics SU-V505(K) Manuals
Manuals and User Guides for Technics SU-V505(K). We have
2
Technics SU-V505(K) manuals available for free PDF download: Service Manual
TECHNICS SU-V505(K) Service Manual (30 pages)
Brand:
TECHNICS
| Category:
Amplifier
| Size: 6.65 MB
Table of Contents
Specifications
1
Contents
2
Safety Precaution
2
Insulation Resistance Test
2
Location of Controls
3
Protection Circuitry
3
Before Repair and Adjustment
4
Disassembly Instructions
4
How to Remove the Cabinet
4
How to Remove the Bottom Board
4
How to Remove the Power Transistors
5
Precautions for Fitting the Power Transistors
5
Measurements and Adjustments
6
How to Remove and Fit the Remote Switch
6
How to Remove the Computer Drive LED Case
6
Clock Adjustment
6
Adjustment of Load Impedance Detection Circuit
7
Adjustment Points
7
Checks of Protection Circuit after Repair and Adjustment
7
Check of Muting with Power On/Off
7
Technical Information
8
Description of Computer Drive System
8
Power Transistor Idling Current
8
Idling Current and Bias Current
8
Description of Speaker Impedance Detection Circuit
9
Computer Drive System
9
Reset Circuit and Detection Signal Generating Circuit
9
Voltage Comparing Circuit
9
Voltage Comparing Circuit and Reset Circuit
10
Operation of Icq Controller
11
Computer Drive Monitor Indicators
11
Output Indicators
11
Preheat
11
Signal Sensor and Thermal Sensor
12
Power On/Off Muting
12
DC Detection Circuit
12
Overload Detector Circuit
12
Block Diagram
13
Circuit Boards and Wiring Connection Diagram (Top View)
14
Printed Circuit Boards
15
Schematic Diagram
17
Function of Terminal
19
Terminal Guide of Transistors, Diodes and IC's
19
Resistors and Capacitors
20
Replacement Parts List
21
Exploded Views
21
Circuits to be Changed and the Areas
29
Power Source Circuit
29
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Technics SU-V505(K) Service Manual (30 pages)
Brand:
Technics
| Category:
Amplifier
| Size: 6.65 MB
Table of Contents
Specifications
1
Contents
2
Safety Precautions
2
Insulation Resistance Test
2
Location of Controls
3
Protection Circuitry
3
Before Repair and Adjustment
4
Disassembly Instructions
4
To Remove the Bottom Board
4
To Remove the Front Panel
4
How to Remove the Power Transistors
5
Precautions for Fitting the Power Transistors
5
To Remove and Fit the Remote Switch
6
Precautions for Fitting the Push Buttons
6
Clock Adjustment
6
Idling (ICQ) Adjustment
6
Adjustment of Load Impedance Detection Circuit
7
Adjustment Points
7
Checks of Protection Circuit after Repair and Adjustment
7
Check of Muting with Powe On/Off
7
Description of Computer Drive System
8
Power Transistor Idling Current - Icq
8
Idling Current and Bias Current
8
Description of Speaker Impedance Detection Circuit
9
Reset Circuit and Detection Signal Generating Circuit
9
Voltage Comparing Circuit
9
Voltage Comparing Circuit and Reset Circuit
9
Operation of Icq Controller
11
Computer Drive Monitor Indicators
11
Output Indicators
11
On-Time of each Indicator and Output at Pin Terminal of Microcomputer
11
Preheat
12
Power On/Off Muting
12
DC Detection Circuit
12
Overload Detector Circuit
12
Block Diagram
13
Circuit Boards and Wiring Connection Diagram - Top View
14
Printed Circuit Boards
15
Schematic Diagram
17
Function of Terminal - Icq Controller
19
Terminal Guide of Transistors, Diodes and IC's
19
Resistors and Capacitors
20
Replacement Parts List
21
Exploded Views
21
Circuits to be Changed and the Areas
29
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