HTR-5890
11
HTR-5890
DSP P.C.B.
MF113500
MF115500
VIDEO (6) P.C.B.
VIDEO (5) P.C.B.
VIDEO (3) P.C.B.
VIDEO (8) P.C.B.
VIDEO (7) P.C.B.
VIDEO (1) P.C.B.
CONVERSION P.C.B.
Rubber Sheet and Cloth
Tuner
Earth (lead wire)
Earth (lead wire)
FUNCTION P.C.B.
Fig. 6
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.
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.
FUNCTION P.C.B.
VIDEO (2) P.C.B.
VIDEO (3) P.C.B.
CONVERSION P.C.B.
VIDEO (5) P.C.B.
VIDEO (1) P.C.B.
Ground Point
Ground Point
Earth (lead wire)
• 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.
: PJ501 (DIGITAL INPUT)
FUNCTION P.C.B.
: PJ504 (MULTI CH INPUT)
VIDEO (1) P.C.B.
: JK605 (S VIDEO)
VIDEO (3) P.C.B.
: PJ705 (VIDEO)
VIDEO (5) P.C.B.
: PJ503 (DVR/VCR 2)
CONVERSION P.C.B.: PJ801 (CONPONENT VIDEO)
Fig. 7