Yamaha RX-Z11 Service Manual page 25

* When replacing DSP P.C.B.:
a. Remove old DSP P.C.B. from this unit.
b. Write down MAC address number, which is printed
on a MAC address label attached to old DSP
P.C.B..
c. Remove a MAC address label from new DSP
P.C.B..
d. Remove a MAC address label from old DSP P.C.B.
and attach it to new DSP P.C.B..
e. Install a new DSP P.C.B. and connect the cable as
in the original state.
f. Turn on the power to this unit in self-diagnostic
mode and select submenu "15-3 MAC address
SET", and then enter MAC address number which
you previously wrote down. (Fig. 13)
Old DSP P.C.B.
MAC address label
Remove
15.Net
MAC NO:XXXXXX
3. Removal of AVIDEO (2) P.C.B.
a. Remove 4 screws (7) and 2 screws (8). (Fig. 14)
b. Remove 2 screws (9). (Fig. 15)
c. Remove the shield case HM. (Fig. 14)
d. Remove screw (0). (Fig. 14)
e. Remove 7 screws (A). (Fig. 15)
f. Remove CB60, CB151, CB153-155, CB377 and
CB994. (Fig. 14)
g. Remove the AVIDEO (2) P.C.B. (Fig. 14)
4. Removal of Rear P.C.B. Unit
The rear P.C.B. unit consists of following P.C.B.s.
FUNCTION (1) and (2) P.C.B.s
INPUT (1) P.C.B.
SUBCPU (2), (3), (4) and (5) P.C.B.s
a. Remove 2 screws (B). (Fig. 14)
b. Remove 11 screws (C). (Fig. 15)
c. Remove CB53-55, CB56 (U, C models), CB391 (U, C
models), CB993 and CB995. (Fig. 14)
d. Take out the rear P.C.B. unit and remove ST302. (Fig. 14)
e. Remove the rear P.C.B. unit. (Fig. 14)
New DSP P.C.B.
MAC address label
XXXXXXX
* *
Attach R X – Z 1 1
MAC address number
Fig. 13
7 8
9
0
A
B
C
8
7
Shield case HM
AVIDEO (2) P.C.B. 0
7
CB154
CB153
CB151
CB377
CB155
B
Rear P.C.B. unit
ST302
to AMPPOW (1) P.C.B.
CB993
CB60
CB995
CB994
Fig. 14
9 A U, C, R, T, K, A, B, G, E, L models
C
U, C, R, T, K, A, B, G, E, L models
Fig. 15
RX-Z11/DSP-Z11
POWER (2) P.C.B.
CB55
CB54
CB53
CB56
(U, C models)
CB52
(U, C models)
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