Magnavox MWC24T5 Preparation for Servicing, How to Enter the Service Mode, Preparing

PREPARATION FOR SERVICING

How to Enter the Service Mode

Caution 1:

1.Optical sensors system are used for Tape Start and End Sensor on this equipment. Read this page carefully and prepare as described on this page before starting to service; otherwise, the unit may operate unexpectedly.

Preparing 1:

1.Cover Q1202 (START SENSOR) and Q1201 (END SENSOR) with Insulation Tape or enter the service mode to activate Sensor Inhibition automatically.

Note: Avoid playing, rewinding or fast forwarding the tape to its beginning or end, because both Tape End Sensors are not active.

How to Enter the Service Mode

1.Turn power on.

2.Use service remote control unit and press [DISC MENU] button. (See page 1-7-1.)

3.When entering the service mode, one of the number (1, 2 or 4) will be displayed at corners of the screen.

4.During the service mode, electrical adjustment mode can be selected by remote control key. (Service remote control unit).

Details are as follows.

Key	Adjustment Mode
	Picture adjustment mode: Press the
	[PICTURE] button to change from BRT
	(Bright), *CNT (Contrast), *COL (Color),
PICTURE	*TNT(Tint), *V-T(V-Tint) and *SHP
	(Sharp). Press [CH. o/p] buttons to
	display Initial Value.
	*Marked items are not necessary to
	adjust normally.

Key	Adjustment Mode
7	Purity check mode: Shows Red, Green,
	Blue or White cyclically on the screen
	each time the [7] button is pressed.
8	H. Position adjustment: See adjustment
	instructions page 1-7-5.
9	V. Shift/V.Size adjustment: See
	adjustment instructions page 1-7-5.
VOL o	No need to use.
	Cut-off adjustment: See adjustment
VOL p	instructions page 1-7-3.
	White balance adjustment: See
	adjustment instructions page 1-7-4.
Caution 2:

1.The deck mechanism assembly is mounted on the Main CBA directly, and SW1211 (REC-SAFETY SW) is mounted on the Main CBA. When deck mechanism assembly is removed from the Main CBA due to servicing, this switch can not be operated automatically.

Preparing 2:

1.To eject the tape, press the [STOP/EJECT] button on the unit (or Remote Control).

2.When you want to record during the Service mode, press the [Rec] button while depressing SW1211 (REC-SAFETY SW) on the Main CBA.

Q1201	Q1202
(END SENSOR)	(START SENSOR)

0	No need to use.
1	No need to use.
2	H f0 adjustment mode: See adjustment
	instructions page 1-7-2.
3	No need to use.
4	Auto record mode: Perform recording
	(15 Sec.) --> Stop --> Rewind (Zero
	return) automatically.
5	Head switching position adjustment:
	See adjustment instructions page 1-7-6.
6	No need to use.

SW1211 (REC-SAFETY SW)

MAIN CBA

1-5-1 T2203PFS