Kurzweil CUP2 Digital Upright Piano Manuals

Manuals and User Guides for Kurzweil CUP2 Digital Upright Piano. We have 1 Kurzweil CUP2 Digital Upright Piano manual available for free PDF download: Service Manual

Kurzweil CUP2 Service Manual (84 pages)

Brand: Kurzweil | Category: Musical Instrument | Size: 14 MB

Table of Contents
5
RP2A Engine Board&#X96;-SH7203 CPU, Memory, and Debug UART Header (1 of 5)
8
RP2A Engine Board&#X96;-MARA (2 of 5)
8
RP2A Engine Board&#X96;-MARA Clock, Delay Memory, Scanport, CPLD (3 of 5)
8
RP2A Engine Board&#X96;-Sound ROM, LCD INTF, Audio Outputs, USB I/F (4 of 5)
8
RP2A Engine Board&#X96;-Power Circuitry, Test Headers, Reset (5 of 5)
8
Compact Upright Interface Board (1 of 2)
8
Compact Upright Interface Board (2 of 2)
8
Audio Board (Mark 5/10, Mark 112 Version)&#X96;-Power Supply and Reset, MIDI (1 of 3)
8
Audio Board (Mark 5/10, Mark 112 Version)&#X96;-Headphones, Line Out, and EQ (2 of 3)
8
Audio Board (Mark 5/10, Mark 112 Version)&#X96;-Power Amp (3 of 3)
8
Chapter 1, Introduction
9
Notes, Cautions, Warnings
9
Control Assembly Features
10
Control Panel Buttons
10
Single Buttons
10
Buttons Pairs
11
Control Assembly Display
11
Additional Control Assembly Features
12
Rear Panel Features
12
Function Overview
13
Engine PCB
13
Function Summary
13
General
14
Boot Sequence
14
Cpu
14
Memory
15
Scanning
15
Synthesis ASIC
15
D-To-A Converter
16
USB Controller
16
MIDI (5-Pin) Interface
16
Voltage Regulators
16
Interface PCB
17
Function Summary
17
Scanport Interface to Control Panel LED Indicators and Display
17
Scanport Interface to Control Panel Buttons
18
Scanport Interface to the Keyboard
18
MIDI In/Out Connector Interface
18
AC Power Input Jack and Voltage Selector
18
Reset Circuit
19
USB Connector Interface
19
Switch Pedal Connector and Interface
19
Scanport Interface to Volume Control Potentiometer
19
Scanport Analog Multiplexor
20
Audio Differential AmpliErs
20
Headphone Interface
20
Audio I/O Interface
20
Audio PCB
21
Function Summary
22
Power Supply RectiErs, Lters, and Regulators
22
Mixer
23
Headphone AmpliEr
23
Frequency Response Shaping
23
2-Way Crossover Lters
23
Power AmpliErs
24
Muting
24
Control Panel PCB
24
Function Summary
24
General
25
LED Matrix
25
Switch Matrix
25
Volume Control
25
Headphones
25
Chapter 3, Diagnostics
27
Diagnostic Tests
27
Entering Diagnostics
27
Display and Control Panel Buttons
28
Test Results
28
Diagnostic Test Modes
28
Run Once
28
Loop
28
Continuous
28
Description of Tests
29
SDRAM Refresh
29
MIDI Uart
29
Internal Flash
29
MARA Validity
29
MARA Delay RAM
30
MARA Sound ROM
30
Audio Output
30
Scanner DIAG
31
Scanner DIAG Tests
31
Burn-In Loop
32
Chapter 4, Disassembly/Assembly
33
Introduction
33
Notes, Cautions, Warnings
33
Cables, Connectors
33
Required Tools and Materials
33
Opening the CUP2
34
Opening the Back Panel
34
Closing the Back Panel
35
Cabinet Electronics
36
Removing the Engine Board
36
Replacing the Engine Board
37
The Interface Board
37
Disconnecting the Interface Board
37
Removing the Interface Board
39
Replacing the Interface Board
39
Connecting the Interface Board
40
Removing the Audio Board
40
Replacing the Audio Board
41
Removing the Transformer
42
Replacing the Transformer
42
Removing a Tweeter
42
Replacing a Tweeter
42
Removing a Woofer
43
Replacing a Woofer
43
Control Assembly
44
Removing the Control Assembly
44
Replacing the Control Assembly
44
Removing the Control Panel Board
45
Replacing the Control Panel Board
46
Keyboard Assembly
47
Removing the Keyboard Assembly
47
Inside the Back Panel
47
Outside the Cabinet
48
Replacing the Keyboard Assembly
48
Inside the Back Panel
48
Removing Keys
49
Natural/White Key
49
Removing Natural/White Keys
50
Removing Sharp/Black Keys
50
Replacing a Sharp Key
50
Replacing a Natural/White Key
51
Servicing the Keyboard Contact Boards
51
Removing the Treble Contact Board
51
Replacing the Treble Contact Board
51
Removing the Bass Contact Board
52
Replacing the Bass Contact Board
52
Connecting the Keyboard Contact Boards
52
Removing the Keyboard Contact Strips
52
Replacing the Keyboard Contact Strips
53
Chapter 5, Troubleshooting & Maintenance
55
Introduction
55
Cables, Connectors
55
Surface-Mount Devices
55
Required Tools and Materials
55
Boot Loader
56
Entering the Boot Loader
56
Resets
56
Hard Reset
56
Software Updates
57
Power Problems
58
Dead: LED Not Lit
58
Audio Problems
58
No Audio
58
Distortion
58
Control Panel Problems
59
LED Display, Leds Not Lit, Buttons, or Controllers Not Working
59
Keyboard Problems
60
Dead Note(S) or No Velocity Sensitivity
60
Interconnect Diagram
61
Chapter 6, Replacement Parts
63
Printed Circuit Boards and Assemblies
63
Keyboard Assembly
63
Audio Board
64
Control Panel Board
64
Interface Board
64
Miscellaneous
64
Cabinet Parts
65
Compact Upright Control Board
81

Kurzweil Categories

Synthesizer Musical Instrument Electronic Keyboard Recording Equipment Music Equipment

More Kurzweil Manuals

Kurzweil CUP2 Digital Upright Piano Manuals

Kurzweil CUP2 Service Manual (84 pages)

Table of Contents

Related Products

Kurzweil Categories