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1-8 (E)
HKC-7080
12
3
4
TO Pin 119/IC65
1
2
3
4
5
A
B
C
IC71
23
33
11
12
22
44
34
1
SG-226 (B SIDE)
IC65
TO Pin 36/IC71
1
2
3
4
5
A
B
C
144
109
37
36
1
73
108
72
SG-226 (A SIDE)
1-4. Modifying Board
1-4-4. Modifying SG-226 Board
Perform the following modification only when the suffix number of the SG-226 board is -11, -12 or -13.
Parts Required
Description
Q’ty
Remarks
Jumper wire
1
l = 100 mm
Sony bond SC608LVZ
_
Sony Part No. 7-432-912-52
Modification Procedures
1.
Remove the SG-226 board.
2.
Solder the jumper wire between pin 119 of IC65 and pin 36 of IC71.
3.
Stick the jumper wire with Sony bond as shown in the figure. (Shaded portion)
1-4-5. Replacing ROM
Replace the two ROMs IC24 on the SG-226 board and IC26 on the IF-569 board with new ROMs
supplied with HKC-7080.
By replacing the ROMs, the contents of setup menu changes. For more details regarding the setup menu,
refer to Section 3.
1-4-6. Switch Setting of AT-104 Board
Open the left side panel, and set the switch S1 on the AT-104 board as shown in the figure.
Содержание HKC-7080
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