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DPS-V77
SERVICE MANUAL
US Model
Canadian Model
AEP Model
Australian Model
SPECIFICATIONS
AID Converter DigitallnputlOutput Terminal type: 8 pin mini DIN
1 Bit / 64 times oversampling (24 bit resolution)
Use optional cables RK-V77 A (for AES/EBU) or
DI A Converter RK-V77S (for SPDIF)
Advanced PULSE 0/ A converter (20 bit resolution)
Sampling Pedal Input Terminal type: Standard PHONE type
Frequency Analog input 48 kHz (assignable control terminals x 2)
Digital input 44.1/48 kHz (auto
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TABLE OF CONTENTS SAFETY CHECK-OUT (US Model) Section Title A fter correcting the original service problem, Page perform the following safety check before releasing the set to the customer: 1. GENERAL·····························································3 Check the antenna terminals, metal trim, "metallized" knobs, screws, and all other exposed metal parts for 2. TEST MODE························································ 17 AC leakage. Check leakage as described below. 3.
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Getting Started Narnes andiFuractiol'ls of Parts Names and Functions of Parts Rear panel Front panel 7 8 9 10 2 3 4 5 6 17 16 15 14 13 12 11 10 11 10 10 Operation dial/Shuttle ring POWER ON/OFF switch 6 BALANCED OUTPUT jacks AC power cord socket Use to select memory numbers from the currently Balanced output jacks for channel 1 and channel 2 Press this switch to turn the power on and off. Turning on For connecting the effector to an AC power outlet using selected memory bank and ma
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PARALLEL '(PARA) Understanding the Signal Flow This strll<:tun .. ' Ids y~)U .lpply t..'ffl'l..'tS, like fI.\I'lhl·r .1Ild rl'vl'rh, sl'p.lr.\tdy .lnt.! thl'n mi\ C~NI~' 1 Bl~CK l-fl ~IX F::: tlwm bdort..' output. In this ("SC, tlll..·rt.. .. ~ no ,. BLOCK undulatioll from till..' t).lIlgl'r in thc rcverb, This unit takes in audio signals from two types of input jacks (digital and analog), processes them using various internal ch 2 Bl~CK ]=1 ch 2 blocks, and outputs them through the ana
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Analog IN/OUT and digitaliN/OUT Bypass and Mute This unit is provided with both analog and digital inputs and outputs, and you can use both of The bypass function outputs the sound of the signal originally input into the effector without tilt'm at the same time. The input block in the SYSTEM: Setup menu lets you determine whether to adding any dfl'cts. Pressing the bypass button turns the bypass function on and off. .... See "Setting the DIGITAL IN/ .... See "Names and Functions usc the
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Hooking Up By taking advantage of the DPS-V77's DIGITAL 110 connectors, you can make digital recordings on OAT recorders, input digital • Before connecting this unit to another device, be sure to unplug the AC power cord from the power outlet. signals from CD, and make digital connections to mixers (see page 29). • Turn off the power switch on this unit and all components to be connected, such as keyboards and active speakers (speakers with built in amplifiers). DIGITALIN OIGiTALIN ___ .
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Choosing an Effect 4 Use the operation dial to select BYPAS or Recalling Effects from the Memory Outputting Without Effects (BYPASS/MUTE) Mute. You can use the following procedure to select effects from The effector comes with 198 different effects stored in the The effector comes with two different bypass modes, Bypass and ystem:SypassMoae---------- j either the preset memory or the user memory banks. preset memory as well as a 198 effect memory capacity for Mute. Therefore, you can u
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Choosing an Effect Processing Effects (EDIT) Morphing . 3 Press FUNCTION A [Time] and use the Changing Effect Parameters operation dial to set the morphing time. Use the following procedure to create original effects by The effector comes with 198 different effects stored in the The morphing time is the length of time from the When the structure is set to (MORPH) (see page 8 for details on the editing the effects stored in the preset memory banks. preset memory as well as a 198 effect
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Processing Effects (EDIT) Convenient Ways to Edit Changing the Structure 6 Use FUNGION B [FX A], C [FX B). or D 5 Turn the operation dial to choose the [Dry], if you want to change the output setting you desire. To change the same parameter for CHl and CH 2 at the same levels. The dfL'<.-tor contains two main effect blocks which perform signal time (LINK) processing to add cffL"ts to the incoming signals. You can produce Press the FUNCTION button for the parameter you want to chan)ll'
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Processing Effects (EDIT) Setting the Real Time Control (RTC) . Editing in PLAY Mode (direct edit) 2 Press PAGE/EDIT twice. 6 Press PAGE/EDIT and use page 2 to specify kind of controller you will use. lly using MIDI controls, such as dampers and modulation wheels, With direct edit you can edit up to6 different parameters directly 3 Press FUNCTION B to 'choose "Active P." EDIT: RTC 1 (Source) PAGE:1 you can control various characteristics of an effect in real tinle. Since from th .. PLA Y
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Saving Processed Effects (SAVE) Exchanging USER memory (XCHG) Protecting USER Memory Saving an Effect This function lets you exchange the contents of two USER memory numbers. Effects created by changing the parameter values with the 1 Press SYSTEM. The following procedure shows you how to store an effect in This function locks the contents of the specified USER memory edit function can be stored in one of the two USER memory 2 Press FUNCTION B to choose "MEMRY." one of the USER memory b
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Setting the System Environment Setting the Noise Gate (Gate) Setting up the Pedal Parameters In the system mode lets you set up the effector's operating The following steps describe how to make changes in the environments. To go back to the previous screen during system setup. setup, press EXIT once. To return to the play mode after Use the noist! ~.ltt! function wh • .'n the source of the input signal Pl ... ials CllIllllOC",d to the PEDAL 1 and/or PEDAL 2 jal'ks on the reM making adjus
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Using MIDI MIDI Transmit Switch Setup (Tx-Sw) You can use the MIDI interface to control various aspects of In addition, MIDI controls, like wheels and velocity effect this unit For example, you can switch between memorized . controllers, can be used to control things like effect depth in effects by using the program table, or save USER memory real time. (See 'Setting the Real Time Control (RTC)H on Tx-Sw lets Y"U wntrol hllw MIDI exclusive dat" is output from this data onto an external sto
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Additional Information The sound is not modified by the selected effect. Troubleshooting .. Press BYPASS to cancel byp~ss. .. Is the effect set to "OFF"? If this unit docs not operate as expected, the probl.em may simply be an oversight, a disconnected cable or a setting The morphing effect does not work. error. Before calling a service technician, Gom~)are the .. Milke sure to SA VE the effect after changing the symptoms of the problem with those listed below to sec if stmcture to IM
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Regarding the options Two types of digital I/O cables are separately sold. (Dedicated cables) CD RK-V77A • Connection cable for AES/EBU • No. 1-769-782-11 Digital 1/0 Terminal Chart - (i) RK-V77S • Connection cable for SPDIF • No. 1-769-783-11 AES/EBU type * Outline of optional cables Special cables used when connecting DPS-V77 and a XLR type Mini DIN (rear panel) digital audio format. Depending on the type of the digital audio format. there are two types of dedicated cables. HOT:
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Functional Hierarchy SYSTEM Setup Input 1 Mode (analog/digitaVboth) PLAY 1 AP (active paramet.er) 1 AP (active parameter) 2 ChSel (channel select) AP (active parameter) 3 Att 1 (CH1 digital input attenuator) AP (active parameter) 4 Att 2 (CH 2 digital input attenuator) AP (active parameter) 5 EMPHA (emphasis mode: aut%n/off) AP (active parameter) 6 Gate t= ATK (attack time) REL (release time) THR (threshold level) EDIT Bypass --- MODE (bypass/mute) EaA~~«, Dlsp MODE (namelvalue)
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SECTION 2 TEST MODE • This product uses a microcomputer and is equipped with a· MIDI interface for musical instruments and computers, and it has specifications that make possible rewriting of the internal memory with external MIDI equipment. Due to this, when required, the internal data can be rewritten by the use of external equipment, etc., and in case the internal data.should break down at the time of repair (Example: when the power is cut oft), it may happen that the operation becomes u
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Subject Operation and Display 5) Other checks • Others • Other error messages are displayed in * 1. [DRAM1 ERR] or [DRAM2 ERR] Automatic inspection of the soldered bridge, etc., of IC601, IC602, IC603 is carried out. If this display appears, apply a soldering iron to the terminal of each IC and check the application of the solder. In case of [DRAM1 ERR], check IC601 and IC602, and in case of [DRAM2 ERR], check IC603 and IC604. [MIDI PORT ERROR] By using a DIN cable to connect the MIDI
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SECTION 3 CLOCK CONSTRUCTION [Regarding the clock source of this unit] 1. The clock source for IC614.(CPU : HD6413002) is X601 (10 MHz). 2. The clock source for IC613 (Clock IC : NJU6355) is X603 (32.768 kHz). 3. The clock sources for the digital audio system (AID, D/A, DPS, etc.) are X301 (48.6 MHz) and X901 (12.288 MHz). [Regarding the clock of the digital audio system] The condition of the digital audio system clock differs depending on whether the digital audio interface input is used
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SECTION 4 EXPLANATION OF IC TERMINALS IC602, 604 CDX2707Q (DSP) Description Pin No. Pin name I/O External install RAM address. Not used (OPEN) 1 EA9 0 2 ECO 0 External install RAM address. Not used (OPEN) - 3 VDD Power supply. (+5V) - 4 Vss Power supply. (GND) 5,6 ECl- 2 0 External install RAM address. Not used (OPEN) 7-9 EA13 - 15 0 External install RAM address. Not used (OPEN) 10 TST I Test data input. "L": Normal 11 TDR I Test data input. "L": Normal 12 BFOT 0 Master cIock buffe
