Yamaha htr-5890 Servis Kılavuzu - Sayfa 11

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5. Removal of VIDEO (1), (3), (5) ~ (8), FUNCTION,

CONVERSION P.C.B.s and Tuner

a. Remove 26 screws (0). (Fig. 5)

b. Remove VIDEO (1), (3), (5) ~ (8), FUNCTION,

CONVERSION P.C.B.s and Tuner.

When checking the P.C.B.:

• Put the Rubber Sheet and a Cloth over the equipment.

Then place the P.C.B. upside down on the Cloth and

check it. (Fig. 6)

• Reconnect all cables (connectors) that have been

disconnected.

Be sure to use the extension cable for servicing for the

following section.

FUNCTION P.C.B. CB505 – OPERATION (1) P.C.B. CB864:

MF113500 (13P 500mm)

FUNCTION P.C.B. CB512 – OPERATION (1) P.C.B. CB852:

MF115500 (15P 500mm)

• When connecting the flat cable, use care for the

polarity.

FUNCTION P.C.B.

• In this unit, the ground of P.C.B.s shown below is

connected to the rear panel. When these P.C.B.s are

removed from the rear panel, connect the ground to

the rear panel or chassis, using a lead wire or the like.

(Fig. 7)

DSP P.C.B.

FUNCTION P.C.B.

VIDEO (1) P.C.B.

VIDEO (3) P.C.B.

VIDEO (5) P.C.B.

CONVERSION P.C.B.: PJ801 (CONPONENT VIDEO)

Fig. 6

Ground Point

Fig. 7

: PJ501 (DIGITAL INPUT)

: PJ504 (MULTI CH INPUT)

: JK605 (S VIDEO)

: PJ705 (VIDEO)

: PJ503 (DVR/VCR 2)

Ground Point

HTR-5890