Yamaha PF-1000 Service Manual page 15

8. Circuit Boards & Assemblies (Main Unit)
(Time required : About 6 minutes each)
8-1 Open the top board assembly. (See procedure 1-1 to 1-4)
8-2 Each circuit board and assembly can be removed by
removing its fixing screws as listed below.
Circuit board and Assembly
Speaker Box Assembly (L/R)
Speaker (Woofer)
Speaker (Tweeter)
NET1
MA Cover (U model only)
MA60 Assembly
FU Cover (U, E, B models only)
FU60P (Except N model)
Cover (N model only)
FU (N model only)
VSEL Plate Assembly
(N model only)
Power Transformer
(Except U model)
Power Transformer
(U model only)
Speaker box assembly L
[120] x 6
[130A] x 4
[130B] x 4
Tweeter
Woofer
N model
[230B]
[230C]
FU
Ref. No.
120 Truss Head Tapping Screw-1 3.5x16 MFZN2Y (EN630030)
130A Bind Head Tapping Screw-B 4.0x12 MFZN2BL (VR138400)
130B Bind Head Tapping Screw-B 4.0x12 MFZN2BL (VR138400)
170 Bind Head Tapping Screw-1 3.5x20 MFZN2Y (EP030470)
350B Bind Head Tapping Screw-1 3.5x12 MFZN2Y (EP030240)
350C Bind Head Tapping Screw-1 3.5x12 MFZN2Y (EP030240)
350D Bind Head Tapping Screw-1 3.5x12 MFZN2Y (EP030240)
230A Bind Head Screw 3.0x8 MFZN2Y (VD976600)
230B Bind Head Screw 3.0x8 MFZN2Y (VD976600)
350E Bind Head Tapping Screw-1 3.5x12 MFZN2Y (EP030240)
230C Bind Head Screw 3.0x8 MFZN2Y (VD976600)
350F Bind Head Tapping Screw-1 3.5x12 MFZN2Y (EP030240)
490 Bind Head Screw 4.0x12 MFZN2Y (EG340030)
500 Bind Head Screw 4.0x20 MFZN2Y (EG340410)
350G Bind Head Tapping Screw-1 3.5x12 MFZN2Y (EP030240)
MA60 assembly
NET1
[170] x 4
[350C] x 4
[490] x 4
FU60P
[230A] x 4
Power transformer
Cover
[350E]
[350F]
VSEL plate assembly
VSEL
[350E]
Screw
MA cover
[350B] x 4
[120] x 6
[350D] x 4
FU cover
[500]
(Fig. 5)
Speaker box assembly R
[130A] x 4
[130B] x 4
Woofer
Tweeter
U model
[350G]
Power transformer
PF-1000
QTY Fig.
6 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
1 5
3 5
3 5
2 5
4 5
4 5
2 5
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