Yamaha RX-V559 Service Manual page 17

4. Removal of DSP P.C.B.
a. Remove 2 screws (8). (Fig. 2)
b. Remove 7 screws (U, C models) / 6 screws (T, A
models) (9). (Fig. 4)
c. Remove CB2-4, CB9 and CB57. (Fig. 2)
d. Remove the DSP P.C.B.. (Fig. 2)
5. Removal of VIDEO P.C.B.
a. Remove 1 push rivet (0). (Fig. 3)
b. Remove 6 screws (A). (Fig. 4)
c. Remove CB401 and CB402. (Fig. 3)
b. Remove the VIDEO P.C.B.. (Fig. 3)
FUNCTION (2) P.C.B. CB103
CB105
( U, C models )
CB104
A 7
D I
6. Removal of FUNCTION (2) P.C.B.
a. Remove 1 push rivet (B). (Fig. 3)
b. Remove 5 screws (C). (Fig. 4)
c. Remove the FUNCTION (2) P.C.B.. (Fig. 3)
7. Removal of TUNER
a. Remove 3 screws (D). (Fig. 4)
b. Remove the TUNER. (Fig. 5)
B CB402 VIDEO P.C.B.
0
CB401
Fig. 3
9 U, C models C
Fig. 4
8. Removal of MAIN (1), (2), (4) and (5) P.C.B.s
a. Remove the Artbase/P.C.B.. (Fig. 5)
b. Remove 2 screws (E), 1 screw (F), 2 screws (G)
and 1 screw (H). (Fig. 5)
c. Remove 5 screws (I). (Fig. 4)
d. Remove CB103, CB104 and CB105 (U, C models). (Fig. 3)
e. Remove MAIN (1), (2), (4) and (5) P.C.B.s together with
the Heat Sink. (Fig. 5)
MAIN (4) P.C.B.
F
G
E
MAIN (2) P.C.B.
Heat Sink
When checking the P.C.B.:
• Put a Cloth over the equipment. Put the P.C.B.s together with the heat sink upright on the Cloth and check them. (Fig. 6)
• Reconnect all cables (connectors) that have been disconnected.
• When connecting the flat cable, use care for the polarity.
• The P.C.B. removed from the chassis does not work because its grounding is loose. Be sure to connect the ground of
Rear Panel, MAIN (1) P.C.B. (G1001) and OPERATION (4) P.C.B. (G3001) to the chassis with a ground lead or the
like.
G1001
MAIN (1) P.C.B.
Cloth
RX-V559/HTR-5950/DSP-AX559
Artbase / P.C.B.
TUNER
MAIN (5) P.C.B.
E
MAIN (1) P.C.B. H
Fig. 5
Ground lead
OPERATION (4) P.C.B.
G3001
Ground lead
Fig. 6
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