Service Check; Service Check Connection Diagram; Pllp2 Test; Battery Test - Yamaha 01v 96 Service Manual

1. Service Check

Common contents:
1) The contents of the Service Check Program and
examples of the screens executed for each check
item are displayed.
Common preparations:
1) Check objective:
2) Cables:
3) 01V96 starting method:
While pressing the [HOME (METER)] and [AUX4]
keys, turn the power ON.
During normal operation, press the [SEL] key in
the CH "6 7 1 1" order and press the [STORE] key
to display the dialog box for confirmation. Select
Yes and press the [ENTER] key to restart the 01V96
in the service check mode.

Service Check Connection Diagram

01V96
TO HOST USB
2TR IN DIGITAL
2TR OUT DIGITAL
SLOT1
WORD CLOCK IN
WORD CLOCK OUT
01V96
MIDI cable: 1
COAXIAL cable: 1
BNC cable: 1
ADAT cable: 1
MIDI IN
OUT
THRU
adat OUT
adat IN

1-1.PLLP2 test

Contents: Read/Write the Reg. (00, 0f, 10, 16) of
the PLLP2 to compare and check.
Example of execution screen
--- PLLP2 ---
NG Adrs,Data BUS
EXIT ([DEC] Key->[ENTER] Key)

1-2.Battery test

Contents: The voltage of the backup battery by A/D
is measured and judgment is automatic.
Example of execution screen
--- BATT ---
NG BATT
NG:BATT (2.56V)
EXIT ([DEC] Key->[ENTER] Key)
1-4. DSP6 and SIO tests
1-5. DSP7, SIO, and ATSC2 tests
Contents: Read/Write the register of each DSP6
and DSP7 and check whether the Data
Bus and Address Bus are good or bad.
Read/Write the DRAM and SDRAM of
each DSP6 and DSP7 via the registers
and compare and check.
Check the SIO connection between each
DSP and between the ATSC by the Send/
Receive signal.
If the ADAT cable is not connected during
the DSP7, SIO, and ATSC2 tests, NG is
displayed.
01V96
Certified voltage
range
2.80 V to 3.50 V
Below 0.5 V is
NG: BATT NONE
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