Pioneer RT-909 Manuals

Manuals and User Guides for Pioneer RT-909. We have 2 Pioneer RT-909 manuals available for free PDF download: Service Manual, Operating Instructions Manual

Pioneer RT-909 Service Manual

Pioneer RT-909 Service Manual (71 pages)

Brand: Pioneer | Category: Tape Deck | Size: 40.66 MB

Table of Contents

Contents
2
Specifications
3
Test Conditions
3
Accessory Functions
3
Dimensions
3
Front Panel Facilities
4
Block Diagram and Level Diagram
7
Amplifier Section
7
Level Diagram
8
Playback
8
Recording
8
Control Section
9
Disassembly
10
Parts Location
11
Front Panel View
11
Front View with Front Panel Removed
11
Rear View with Rear Panel Removed
12
Rear View
12
Circuit Descriptions
13
Playback Circuit
13
Recording Circuit
13
Oscillator Circuit
13
FWD - Rev Playback Signal Switching Circuit
14
FWD-REW Playback Signal Switch Circuit
14
FL Meter Drive Circuit
15
Control Circuits
16
When the Power Switch Is Turned on
16
Play Mode
16
FF and REW Modes
17
Pause Control
17
Solenoid Voltage Control Circuit
17
Electronic Counter
18
Reel Motor Drive Circuit
18
Timing
18
Timer Start
18
Timing Chart
20
Mechanical Adjustments
21
Reel Base Height Adjustment
21
Brake Adjustment
21
Take-Up Torque and Back Tension Torque Adjustments
22
Take-Up Torque Adjustment During FWD Play Mode
22
Back Tension Torque Adjustment During FWD Play Mode
22
Pinch Roller Pressure Adjustment
23
Pause Adjustment
23
Take-Up Torque Adjustment During FF Mode
23
Back Tension Torque Adjustment During Ff Mode
23
Tape Speed Adjustment
24
Head Adjustments
25
Approximate Adjustment
25
Before Beginning Head Adjustment
25
Height Adjustment
25
Playback Head Adjustment
26
Recording Head Adjustment
26
Azimuth Adjustment
26
Electrical Adjustments
27
Power Supply Voltage Adjustment
27
Playback Level Adjustment
27
Playback Equalizer Adjustment
27
Level Meters 0Db Adjustment
28
Recording Bias Adjustment
28
Adjustment Points
28
Recording Level Adjustment
29
Recording/Playback Frequency Response Adjustment
29
Exploded Views and Parts List
31
Exterior Components
31
Interior Components Parts List & View
33
Panel Stay Components
34
Panel Stay Components
36
Head Base Components
37
Miscellanea Schematic Diagrams/Board Patterns
38
Schematic Diagrams, P.C. Board Patterns and Parts List
38
Appearance of Transistors and Ics
39
Connection Diagram
40
Schematic Diagrams
41
Signal Section
41
Mother Assembly (RWX-340)
43
Parts List of Control B Assembly (RWG-105)
48
Capstan Motor Control Assembly
49
Foil Side
50
Parts List
50
Capacitors
50
Semiconductors
50
Counter Assembly (RWX-336)
51
Parts List of Counter Assembly (RWX-336)
52
Drive Assembly (RWX-339)
53
Pre Amplifier Assembly (RWF-088)
55
Control a Assembly
57
Parts List of Control a Assembly
59
Switch Assembly (RWS-079)
60
Function Switch Assembly (RWS-078)
62
Parts List of Switch Assembly (RWS-079)
62
Fuse Assembly
64
F.L. Meter Assembly
65
Packing
66
Rt-909 D/G Schematic Diagram
69

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Pioneer RT-909 Operating Instructions Manual

Pioneer RT-909 Operating Instructions Manual (24 pages)

3-motor 4-head

Brand: Pioneer | Category: Tape Deck | Size: 3.55 MB

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