Updating Firmware; Writing Method Using The Firmware Cd - Yamaha RX-V1800 Service Manual

RX-V1800/HTR-6190/DSP-AX1800
When checking the Amp Unit:
• Place the sub chassis unit on top of the rubber sheet
and cloth. (Fig. 11)
• Put the amp unit together with the heat sink upright
and check. (Fig. 11)
• Reconnect all cables (connectors) that have been dis-
connected. Be sure to use the extension cable before
servicing the following section.
FL (1) P.C.B. CB901_FL (2) P.C.B. CB970:
MF126500 (26P, 500mm)
FL (2) P.C.B. CB971_OPERATION (2) P.C.B. CB803:
MF115500 (15P, 500mm)
FL (1) P.C.B. W9001_POWER (1) P.C.B. CB12:
MF405400 (5P, 400mm)
• When connecting the flexible flat cable, be careful
with polarity.
• In main unit, the ground of sub chassis unit and amp
unit is connected to the main unit. When this sub
chassis unit and amp unit are removed from main unit,
connect the ground to the main unit, using a ground
lead or the like. (Fig. 11)
MF405400
Ground lead
POWER (1) P.C.B.
MAIN (1) P.C.B.
Sub chassis unit
Rubber sheet and cloth
W9001
FL (1) P.C.B.
CB901
OPERATION (2) P.C.B.
20
Amp unit
CB12
Ground lead
FL (2) P.C.B.
CB971
CB970
MF126500
MF115500
CB803
Fig. 11
I UPDATING FIRMWARE /
Note) Updating the firmware will initialize parameters,
system memory, tuner presetting, etc. to the
original factory settings.
When replacing the following parts, be sure to write the
latest firmware.
P.C.B. Ass'y DSP, FUNCTION or D-VIDEO P.C.B.s
IC540 (DSP (TI) flash ROM) of DSP P.C.B.
IC402 (Main microprocessor) of FUNCTION P.C.B.
IC182 (Video microprocessor) of D-VIDEO P.C.B.
There are 3 ways to write the firmware.
•

Writing method using the firmware CD:

DVD/CD player and firmware can be used for writing.
• Writing method using PC (RS232C):
PC can be used for writing.
• Writing method using USER mode:
It is possible to write only the latest firmware.
Writing method using the firmware CD
G Required tools
• DVD or CD Player with DIGITAL OUTPUT (OPTICAL
or COAXIAL) terminal
• Optical cable (when OPTICAL terminal is used)
• Digital audio pin cable (when COAXIAL terminal is
used)
• Latest firmware CD
* To make the latest firmware CD, download the
latest firmware from the specified download
source.
G Operation procedures
* Disconnect the power cable of the main unit and
DVD/CD player from the AC outlet.
1. Connect the main unit and DVD/CD player as shown
below. (Fig. 1)
When OPTICAL IN terminal is used /
Main unit /
Front side Rear side
Optical cable
DVD/CD player /
Optical cable