Yamaha DTXPRESS Service Manual Download

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DTXPRESS

T–01.
T–02.
T–03.
T–04.
T–05.
T–06.
T–07.
T–08.
T–09.
T–10.
T–11.
T–12.
T–13.
T–14.
T–15.
T–16.
T–17.
T–18.
T–19.
T–20.
T–21.
T–22.
T–23.
T–24.
T–25.
T–26.
T–27.
T–28.
T–29.
T–30.
T–31.
T–32.
T–33.
T–34.
T–35.
T–36.
T–37.
T–38.
T–39.
T–40.
T–41.
T–42.
T–43.
T–44.
T–45.
T–46.
T–47.

SRAM
WAVE ROM
EFFECT DRAM
BATTERY
MIDI
TO HOST
CLICK VOL
ACCOMP VOL
LCD
LED
PANEL SWITCH
ATTENUATOR SW IN 01
ATTENUATOR SW IN 02
ATTENUATOR SW IN 03
ATTENUATOR SW IN 04
ATTENUATOR SW IN 05
ATTENUATOR SW IN 06
TRIGGER IN 1
TRIGGER IN 2
TRIGGER IN 3
TRIGGER IN 4
TRIGGER IN 5
TRIGGER IN 6
TRIGGER IN 7
TRIGGER IN 8
TRIGGER IN 9
TRIGGER IN 10
RIM SW IN 1
RIM SW IN 2
RIM SW IN 3
RIM SW IN 4
RIM SW IN 5
RIM SW IN 6
RIM SW IN 7
RIM SW IN 8
HOST SELECT SW
H.H. CONT.
OUTPUT L 1 kHz
OUTPUT R 1 kHz
OUTPUT L 10 kHz
OUTPUT R 10 kHz
OUTPUT L 50 Hz
OUTPUT R 50 Hz
AUX INPUT
32ch OUT
FACTORY SET
EXIT

SRAM READ/WRITE (AutomaticTest)
WAVE ROM READ (Automatic Test)
DRAM READ/WRITE (Automatic Test)
Automatic Test
MIDI IN to OUT Connect
TO HOST Loop Back Cable Connect
Maximum, Minimum
Maximum, Minimum
Display of each pattern of LCD, Contrast
LED ON/OFF
Panel SW ON
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
The loop signal is input from PHONES.
Switch ON/OFF Check
Switch ON/OFF Check
Switch ON/OFF Check
Switch ON/OFF Check
Switch ON/OFF Check
Switch ON/OFF Check
Switch ON/OFF Check
Switch ON/OFF Check
HOST SELECT Switch Check
Maximum, Minimum
Measurement
Measurement
Measurement
Measurement
Measurement
Measurement
Measurement
Listening

Test No.

Items

Judgment Criteria

TEST PROGRAM

A. How to enter the Program

While pressing the [PLAY] and [START/S] buttons turn
the power switch on. When the test program is initiated,
the Program ROM version will appear on the LCD display.

XX TEST MODE

Ver #.##

Note: The Ver #.## means the program ROM version.

A few second later, the following display appears:

SRAM

B. Proceeding through the Test Program

When entering the test program, the following display will
appear.

SRAM

To select a test program number, use the [ SEL.] or
[SEL. ] buttons. After making your selection, push the
[SAVE/ENT.] button to begin the test program. It will
proceed automatically.
If the test fails, the [FAIL] message is displayed on the
LCD. To move on to another test program when the test
has failed, depress the [SHIFT] button and select the new
test program.
Exception: If test number T-11 fails, turn the power switch

off and re-enter the test program.

T–01. SRAM
Initial Display

SRAM

Executes a write/read/verify test of SRAM (IC6).

Result Screens

OK: It proceds to the next test automatically.

SRAM

FAIL

Test End

OK: It proceeds to the next test automatically.
If an error is detected during the test, refer to section B,
[PROCEEDING THROUGH THE TEST].

T–02. WAVE ROM
Initial Display

WAVE ROM