Pioneer A-P6500 Руководство по эксплуатации - Страница 25

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XS-P6500

Pin Name

Pin Function

} 68

P03

STB

(0)

69 |

P04

DATA

| 10)

Description

Logic

PMOO006A strobe output

PM0006A/LA2785/LV

1010 data output

P05

REMO

i¢)

P06

MUTE

Mute output

P07

DOWN

VSS2

VSS

@ Use of Service Mode

This is used to check external input (MD/CD2, PHONO) for

the amplifier by itself.

How to enter the service mode

1. With the plug pulled from the power outlet, short-circuit

(W275 and W276) the service terminal on the DISPLAY

Bore

DISPLAY Assy

CN2501

FL Tube

W276

W275

2. Maintain the condition of "1" and supply AC power.

The power will be switched on automatically and the

function will become MD/CD2. The present function status

will be displayed in the 7-segment time column of the front

FL.

3. After power ON, remove the terminal short-circuit bridge.

(Otherwise key operation can not be executed.)

4. The function status can be changed by body key operation.

The relation between key operation and FL display is

shown in Table 1.

Remote control out (MD/CD2) control output

Volume Motor control output (DOWN)

Connected to GND.

Volume Motor control output (UP)

Communication request/enable input/output 2 for system bus communication.

Data input/output for system bus communication.

Clock output for system bus communication.

Communication request/enable input/output 1 for system bus communication.

BU4052 function switch A output

BU4052 function switch B output

KEY

Mode

Indication | FUNCA

| FUNCB

Table 1 Front Panel Key Operation and Function Mode

The other front keys [SFC], [P. BASS], [DOLBY

MODE]

and [CENTER MODE] operate normally.

Service mode cancellation

Switch off the power once and then switch is on again

normally. The function set in service mode remains memorized

until the plug is pulled out of the power outlet.

Notes)

1. Always use this mode only for the amplifier by itself.

(System operation does not operate normally.)

2. After cancellation of service mode according to the above

method, the FL indication becomes DISPLAY OFF mode

(the mode where the spectrum analyzer and the level

meter part are not displayed).

For display of spectrum analyzer and level meter, push

the [ + ] key of the unit in POWER-OFF condition to

switch the DISPLAY mode.