McIntosh MA 6900 Voltage Conversion
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Instruction 042677 Rev D – BE032004
August 19, 2002 - MA6900
MA6900 FINAL ASSEMBLY
INSTRUCTIONS FOR COUNTRY GROUPS 01-08 AND 10
The MA6900 is designed for use in Country Groups 01-08 and 10. All conversions are performed by
moving two identical thermistors located on the Power Transformer Terminal Block to new locations
as illustrated.
COUNTRY GROUP 01 - USA AND OTHERS
Parts Required:
1 – MA6900
1 – 089104 Fuse (T 6.3AL 250V SB)
1 – 170937 Line Cord Set
1 – 125412 CSA Certification Label
Step 1:Wire Power Transformer Terminal Block as illustrated in Figure 1.
Step 2: Insert Fuse P/N 089104 into Rear Panel and apply label 125412.
T
Fig. 1 Wired for 120VAC Operation
T
McIntosh Laboratory, Inc., 2 Chambers St., Binghamton, NY 13903
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COUNTRY GROUP 02 - JAPAN
Parts Required:
1 – MA6900
1 – 126873 Input Rating Decal (100V~ 50/60Hz 5.2A)
1 – 125781 Line Cord Tag (100V)
1 – 170937 Line Cord Set
1 – 089104 Fuse (T 6.3AL 250V SB)
Step 1: Wire Power Transformer Terminal Block as illustrated in Figure 2.
Step 2: Change the screened Rear Panel Input Rating to 100V~ 50/60Hz 5.2A with P/N 126873.
Step 3: Tag Line Cord P/N 170937 with P/N 125781 (100V) and ship with Unit.
Step 4: Insert Fuse P/N 089104 into Rear Panel.
T
Fig. 2 Wired For 100VAC Operation
T
McIntosh Laboratory, Inc., 2 Chambers St., Binghamton, NY 13903
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COUNTRY GROUP 03 - TAIWAN
Parts Required:
1 – MA6900
1 – 125731 Date of Manufacture Decal
1 – 126876 Input Rating Decal (110V~ 60Hz 4.8A)
1 – 126095 Line Cord Tag (110V)
1 – 089104 Fuse (T 6.3AL 250V SB)
1 – 170937 Line Cord Set
Step 1: Wire Power Transformer Terminal Block as illustrated in Figure 3.
Step 2: Insert Fuse P/N 089104 into Rear Panel and apply Decals.
Step 3: Changed screened Rear Panel Input Rating to 110V~ 60Hz 4.8A using P/N 126876.
Step 4: Tag Line Cord P/N 170937 with P/N 126095 (110V) and ship with Unit.
T
Fig. 3 Wired for 120VAC Operation
T
McIntosh Laboratory, Inc., 2 Chambers St., Binghamton, NY 13903
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