Service manual

1. Range of Applicability
These specifications apply to the AI8, AI8-ML8, AI8-AD8, and AI8-ML4AD4.
2. Preparations
2-1. Conditions
For details on the connection method, refer to the Test Program Specifications KES-92652.
Unless otherwise specified, the conditions are as follows.
· Set the PHANTOM MASTER switch to On.
· Set WORD CLOCK IN 75 Ω to ON.
· Set the CONTROL INPUT PORT to A.
2-2 Loading the Firmware
The firmware used must be the “AI8/AO8 Firmware” (managed with the already drawn CD-R assembly drawing (3JL-XY714A0))
of the PM1D System Software with a version later than the version shown on the cover. For details on the firmware writing
method, refer to theTest Program Specifications KES-92652.
2-3. Test Program
For details on the starting method etc., refer to the Test Program Specifications KES-92652.
3. Inspection
3-1. Inspection with Test Program
· Inspect based on the Test Program Specifications KES-92652.
3-2. Jitter Measurement
· Connect the LMY-slot inspection jig Canon terminal to DSA1.
· Set Fs to 48 kHz and 44.1 kHz with the test program and measure the jitter at DSA1.
3-3. Fan Operation Check
· Check that the fan rotates while the power is on.
3-4. Sound
· The connections are as in the diagram below.
· Set the AI8 and AO8 sheet UNC DIP switch as below. DIP Switch 8 is not used.
· For 01V, OSC1kHz is output from OMNI OUT and the signal input to INPUT is assigned to ST OUT.
· For AI8, insert the inspection LMY4-AD cards in Slot 1-8.
· For AI8-ML8, insert the shipping LMY2-ML cards in Slot 1-8.
· For AI8-AD8, insert the shipping LMY4-AD cards in Slot 1-8.
· For AI8-ML4AD4, insert the shipping LMY2-ML cards in Slot 1-4 and the shipping LMY4-AD cards in Slot 5-8.
INSPECTION
Range of tolerance
48 kHz
44.1 kHz
5 nsec max.
5 nsec max.
Connection diagram
68-pin cable
BNC
OUTPUT A
x 8
x 8
INPUT A
INPUT
Function Generator
Power speaker
01V
AO8AI8
LMY2-ML
or
LMY4-AD
LMY4-DA
LMY4-DA
LMY2-ML
or
LMY4-AD
OMNI OUT
ST OUT
Connection diagram
68-pin cable
BNC
OUTPUT A
x 8
x 8
INPUT A
INPUT
Function Generator
Power speaker
01V
AO8AI8
LMY2-ML
or
LMY4-AD
LMY4-DA
LMY4-DA
LMY2-ML
or
LMY4-AD
OMNI OUT
ST OUT
Connection diagram
68-pin cable
BNC
OUTPUT A
x 8
x 8
INPUT A
INPUT
Function Generator
Power speaker
01V
AO8AI8
LMY2-ML
or
LMY4-AD
LMY4-DA
LMY4-DA
LMY2-ML
or
LMY4-AD
OMNI OUT
ST OUT
Connection diagram
68-pin cable
BNC
OUTPUT A
x 8
x 8
INPUT A
INPUT
Function Generator
Power speaker
01V
AO8AI8
LMY2-ML
or
LMY4-AD
LMY4-DA
LMY4-DA
LMY2-ML
or
LMY4-AD
OMNI OUT
ST OUT
AI8
AO8
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
ON
OFF
ON
OFF
ON
OFF
DIP SW
1234567
AI8
21