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Roland GP-16 - Service Manual

Roland GP-16
26 pages
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Jan,
1990
GP-1
6
SERVICE
NOTES
DIGITAL.
GUITAR
PROCESSOR
EFFECTS
SPECIFICATIONS/^
First
Edition
ERRATA & SUPPLEMENT i s attached at the end of the page.
DDDDDDDDDDDDDDDDDD
[ELECTRICAL CHARACTERISTICS
/
SslflU&tSfc]
INPUT (Front, Rear)
Input Impedance
OUTPUT (Phone jacks,
unbalanced)
Output Level
Output Load Impedance
OUTPUT (XLR connectors,
balanced)
Output Level
Output Load Impedance
[DISPLAY
/
x-f
xyuT]
Patch Memories
A/D
Convertor
D/A Convertor
Sampling Frequency-
1MQ
20dBm
more
than 10kQ
10dBm
6000
16-letter, 2-line LCD
(Back
lit.
)
Patch Display
(7-segment, 2-digit
)
LCD
16ffi
x
2fr
/T>f
7/XTL'f
(7 h
2+ft)
128
16-bit Linear
^64
times over-sampling,
MASH
process
64f&*-/<-
>7,
^MASH
Hit
16-bit Linear
4 times
over-sampling
4
1ST
-A-
It
>7
LI
>7,
2.048MHz
(MASH process
/ MASHTjit)
(0dBm=0.775V)
Frequency
Responce
10Hz-16kHz
Built-in Effects
A Group
A-1 Compressor
A-2a Distortion
A-2b Overdrive
A-3 Picking Filter
A-4 Step Phaser
A-5 Parametric Equalizer
A-6 Noise Suppressor
B Group
B-1 Short Delay
B-2a
Chorus
B-2b Fianger
B-2c Pitch Shifter
B-2d
Space-D
B-3 Auto Panpot
B-4 Tap Delay
B-5 Reverb
B-6 Lineout Filter
Power Consumption
20W
Power Supply
AC
100, 120,
220 or 240V (50/60Hz)
Dimensions 482
(W) x 44 (H) x
300
(D) mm
19
(W)
x
1-3/4
(H)
x
11-13/16 (D) inch
Weight 3.6kg
7 lb 15 oz
Accessories
(Japanese)
: 2601020800
Owner's Manual
(English) :
2601020700
Options
Foot Controller : FC-100 MK
II
Expression Pedal : EV-5, EV-10
(BOSS)
Chromatic Tuner : TU-12,
TU-12S (BOSS)
TABLE
OF
CONTENTS
SPECIFICATIONS
EXPLODED
VIEW
PARTS
LIST
1C
DATA
TEST MODE
DATA INTIALIZING
Note: Initializing
can
be
done
in either of the
following two
ways,
whichever
convenient
In test mode or in
independent
mode.
DATA
SAVE
AND LOAD
TROUBLESHOOTING
ADJUSTMENT
(For LCD)
MAIN
BOARD
CIRCUIT
DIAGRAM
(MAIN BOARD)
CIRCUIT
DIAGRAM (ANALOG,
VR, ENCODER
BOARD)
ANALOG, VR,
ENCODER
BOARD
SW, LED
BOARD
CIRCUIT
DIAGRAM
(SW, LED
BOARD)
POWER
SUPPLY BOARD
CIRCUIT DIAGRAM
(POWER
SUPPLY
BOARD)
BLOCK
DIAGRAM
GP-16 SUB
BOARD
CONSIDERATIONS
ON MOUNTING
SUB
BOARD
CHANGE
INFORMATION
APPENDIX
(IDENTIFYING
VERSION
NUMBER)
urn
/\°-'Y
U7 h
1C
x
7
x7
h
"E-
K
7x7
h
U-
7°'Jiz
7
h<D
P-
K<7)77)£
:
GP-161CW:,
-out
t7 h
TE
losit
MWiV
&
Z
4'
X.
£
to i; Tteir
TT £
t
'o
x
X
CD
-tz
y tU
h x 7
's
il
j-f
>
7
'
(LCDffl)
HOJ&d
(X
T
>£$£)
mm
(
7
tp^
LED!®
(^fyfs
LEDSfe)
C29&45
(H/J^^
5
^)
7'P
7^1
GP-16
SUB
BOARD
SUB
BOARD
fail
(A-V3>
Page
1
2
3
5
6
9
10
13
13
14
15
16
17
18
18
19
19
20
21
21
22
24
-
Rack keytop(s) (2P)
(2249521000)
Tact Switch
X
12PCS.
(*1)
GP-16
Front
Panel
(2221068000)
ight Angle Bracket
2356800)
•ACord
Bushing
KF-41
( 1
00/220V)
(12363533)
KF-61
(1
17V)
(12369532)
KF-51
(240V)
(12369531)
Cord
Bushing
Bracket
( 1 0OV/220V/240V)
(2219094300)
(117V)
(2219094200)
AAC
CORD
VFF
2.5m
(100V)
(1
3439801
Y0)
SJT-18/2
2.5m
(117V)
(1
3439836D0)
P-2115
ES-206
2.5m
(220V)
(1 3439837
F0)
UK
MOULDING
CORD
(240V England)
(13499111)
KP-550
LISA-3
2.5m
(240V Australia)
(13439808D0)
I
LED (OUT
CH/1,
2)
LN01201C
(red)
(15029314)
LED (GROUP/B)
LN01301C (green)
(15029316)
LED (GROUP/A)
I.N01401C
(yellow)
(15029313)
LED
(LEVEL/CLIP)
LN01201C
(red)
(15029314)
LED (LEVEL/—
40,
-10,
-20)
LN01301C
(green)
(15029316)
LED (LEVEL/—
5)
LN01401C (yellow)
(15029313)
GP-16
Top
Cover
(2202046600)
7
Seg LED
SL-2263
(15029501)
GP-16
Display
Panel
(2221088900)
Jack (INPUT)
YKB21-5011
(13449149)
Knob
#248-149
(2248514900)
Pot.
Rack keytop(s)
(2R)
(2249521000)
Tact
Switch
X
4PCS. (*1)
'GP-16
a
-Dial
(2248021300)
Rotary
Encoder
EVQ-WQVF1
524B
(13279958)
GP-16
ct
-Dial
Escutcheon
Button
(Power Switch)
(2249556500)
Switch
SDDGA
3052A
(13129124)
Guide
of Button &
LED
(2213561100)
RK09A10
250KA
(13279959)
(2222034700)
*1
: Refer to
"PARTS LIST/Switch"
(P.
3)
about how to order the tact switch.
9
d V
T.'i y-h” (p.
3)
lx
<
tz
£ia
0
ISocket (MIDI)
I
YKB51-5046
|
(13429273)
L-
®TTT
0
'Socket (RRC
IN)
TCS-5360-01-1 1
1
1
(13429650)
XLR Connector
(BALANCE OUT)
XLB32-PCH/R
(13429666)
Jack (OUTPUT)
YKB21-5012
(13449146)
GP-16
Top
Cover
-
(2202046600)
Jack
(REAR INPUT)
YKB21-5012
(13449146)
GP-16 Bottom
Cover
(2202046700)
o
o
Roland
C5
P
-16
O
OTTAL.
C3UITAR
EFFECTS
8
.
8
-
igESfr,
II III
III III
III
III
ITT nrXI
II III
III III III
III III in II
«« CURSOR
O
o
Printed
in Japan
BD-2
(CR)
1
Copyright
©
1990 by ROLAND CORPORATION

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Roland GP-16 Specifications

General IconGeneral
BrandRoland
ModelGP-16
CategoryMusic Pedal
LanguageEnglish

Summary

Specifications

Electrical Characteristics

Details electrical properties like impedance, output levels, and load impedance.

Display and Frequency Response

Information on the unit's display and the frequency range for built-in effects.

Built-in Effects List

Lists the various audio effects integrated into the processor.

Converter and Sampling Specifications

Technical specifications for A/D, D/A converters, and sampling frequency.

Power and Physical Details

Details on power consumption, supply, dimensions, weight, and accessories.

Exploded View and Parts List

Screws and Hardware

Lists various types and sizes of screws and hardware used in the unit.

Component Breakdown (Exploded View Parts List)

Comprehensive list of all parts with their numbers and locations.

Parts List and Safety Information

Safety Precautions and Ordering

Important safety warnings and guidelines for ordering replacement parts.

Panel and Casing Parts

List of parts related to the unit's chassis and panels.

Knobs and Buttons

List of knobs and buttons used on the unit.

Switches

Details of switches used in the GP-16.

Jacks and Sockets

List of input/output jacks and sockets.

Integrated Circuits (ICs)

List of integrated circuits with part numbers and functions.

Detailed Component and Wiring Information

Potentiometers and Transistors

Lists potentiometers and transistors used in the unit.

Diodes LEDs and Photocouplers

Lists diodes, LEDs, and photocouplers.

Resistors and Capacitors

Lists resistors and capacitors by value and type.

Crystals and Coils

Information on crystal oscillators and coils used.

Power Transformer and LCD Unit

Details about the power transformer and LCD unit.

Wiring and Connectors

Details on wiring harnesses and connectors.

Miscellaneous Parts

Other miscellaneous components.

Integrated Circuit (IC) Data Sheets

Op Amps

Data sheets for operational amplifier ICs.

CPU

Data sheets for the central processing unit IC.

Memory ICs (ROM, RAM)

Data sheets for ROM and RAM integrated circuits.

Converters (A;D, D;A)

Data sheets for Analog-to-Digital and Digital-to-Analog converter ICs.

Support ICs (Regulators, Filters, Comparators)

Data sheets for support ICs like regulators, filters, and comparators.

Test Mode and Data Initialization Procedures

Test Mode Cautions and Equipment

Important cautions and required equipment for test mode operation.

Entering and Exiting Test Mode

Procedures for entering and exiting the device's test mode.

Battery Check

Procedure to check the unit's battery status.

Data Initialization Steps

Step-by-step guide for initializing device data.

Test Mode: Converter and Gain Checks

D;A Converter Check

Procedure to check the Digital-to-Analog converter's output.

Thru Signal Check

Procedure for checking the signal pass-through function.

A;D Converter Check

Procedure to check the Analog-to-Digital converter's input.

Gain Check

Procedure to check the signal gain levels.

Test Mode: MIDI, RRC, and Control Checks

Gain Check Continuation

Continued procedure for checking signal gain levels.

MIDI Communication Check

Procedure to check MIDI input and output communication.

RRC Connection Check

Procedure to check the RRC connection and function.

Key and LED Functionality Check

Procedure to check front panel keys and LEDs.

Factory Preset and System Data Initialization

Power-On Initialization Steps

Initial steps for data operations involving power-on.

Initialize All Patches

Procedure for initializing all patch data on the device.

Initialize System Data

Procedure for initializing the device's system data.

Data Save and Load Procedures

Bulk Data Transmission and Reception

Details on transmitting and receiving data using bulk dump.

GP-16 to Device Data Transfer

Steps for transmitting data from GP-16 to another device.

GP-16 T Transmission Steps

Steps for the transmitting GP-16 (GP-16T).

GP-16 R Reception Steps

Steps for the receiving GP-16 (GP-16R).

Data Transfer Operations

Data Transfer Completion Steps

Steps to complete data transfer and return to normal mode.

Saving Data to MIDI Sequencer

Steps for saving data to a MIDI sequencer (MC-500MK2).

GP-16 Transfer Steps

Steps for the GP-16 in MIDI sequencer data transfer.

MC-500 MK2 Transfer Steps

Steps for the MC-500MK2 in data transfer.

Data Transfer Completion and Verification

GP-16 Data Transmission Completion

Final steps for GP-16 data transmission completion.

MC-500 MK2 Recording Mode Exit

Step to exit recording mode on the MC-500MK2.

MC-500 MK2 to GP-16 Data Transfer

Steps for transferring data from MC-500MK2 to GP-16.

MC-500 MK2 to GP-16 Reception Steps

Steps for receiving data on GP-16 from MC-500MK2.

Troubleshooting and LCD Adjustment

Troubleshooting Power-On Display Errors

Troubleshooting steps for power-on display errors (7-seg LED).

Error Messages and Causes

Lists error messages and their potential causes during operation.

LCD Contrast Adjustment Procedure

Step-by-step guide for adjusting the LCD contrast.

Main Board Component Layout

Main Board Assembly Number

Assembly number for the main circuit board.

Component Side View

Indicates the perspective of the component layout diagram.

Main Board Circuit Diagram

Main Board Schematic Diagram

Detailed schematic diagram of the main circuit board.

Main Board Assembly Number

Assembly number for the main circuit board.

Analog, VR, and Encoder Board Circuit Diagrams

Analog Board Schematic

Schematic diagram for the analog circuit board.

VR Board Schematic

Schematic diagram for the volume control board.

Encoder Board Schematic

Schematic diagram for the encoder control board.

Analog Board Assembly Number

Assembly number for the analog circuit board.

Board Replacements and Part Numbers

Analog Board Part Number

Part number for the analog board assembly.

VR Board Part Number

Part number for the VR board.

Encoder Board Part Number

Part number for the encoder board.

Switch and LED Board Schematics and Details

Switch Board Details

Assembly number and details for the switch board.

LED Board Details

Assembly number and details for the LED board.

Switch Board Circuit Diagram

Schematic diagram for the switch control board.

LED Board Circuit Diagram

Schematic diagram for the LED indicator board.

Power Supply Board Information

Power Supply Board Details

Assembly number and details for the power supply board.

Power Supply Board Schematic Diagram

Schematic diagram for the power supply circuit.

System Block Diagram

GP-16 System Block Diagram

Overall system block diagram showing component interconnections.

GP-16 Sub Board and Mounting Instructions

GP-16 Sub Board Details

Details and part number for the GP-16 Sub Board.

Sub Board Mounting Considerations

Instructions and considerations for mounting the Sub Board.

Fig. 1 Capacitor Removal

Diagram illustrating capacitor removal for Sub Board installation.

Fig. 2 IC Removal

Diagram illustrating IC removal for Sub Board installation.

Fig. 3 Sub Board Installation

Diagram illustrating the installation of the Sub Board.

Sub Board Installation Diagrams and Change History

Fig. 3 Sub Board Orientation

Diagram showing Sub Board orientation and mounting.

Fig. 4 IC Socket Reuse

Diagram showing reuse of IC socket for Sub Board.

Fig. 5 Wiring Connections

Diagram showing wiring connections for Sub Board.

Main Board Change Information

Information on changes made to the main board components and design.

Board Change History Records

Analog Board Change History

History of changes made to the Analog Board.

GP-16 Sub Board Change History

History of changes made to the GP-16 Sub Board.

Appendix: Version Identification Methods

Version Identification Overview

Introduction to methods for identifying program ROM version.

Major Version Check

Method for identifying major version changes (e.g., 1.00 to 2.00).

Minor Version Check

Method for identifying minor version changes (e.g., 1.01 to 1.02).

OTP;MASK ROM Version

How to find version information on OTP and Mask ROMs.

Version Check During Test Mode

Method to verify version during test mode operations.

Service Notes Errata and Supplement Information

Replacement Parts Supply Unit Changes

Information on changes to how replacement parts are supplied.

New Parts Supply Unit Details

Details of new part numbers for separate board assemblies.

Service Notes Correction Instructions

Instructions for correcting the service notes document.

Service Notes Errata: Part Number Correction

Part Number Error Notification

Notification regarding a part number error in the manual.

Correction Details for Page 2 and 4

Specific corrections for part numbers on pages 2 and 4.

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