Set-Up Adjustment; Equipment Required; Preparations (1) - Sony PVM-9L1 Service Manual

2-1. Equipment Required

. Oscilloscope
Tektronix 2465 or equivalent (with bandwidth of 350
MHz)
. VG (programmable video signal generator)
VG-854 or equivalent
. Digital VOM
Advantest TR6845 or equivalent
. Slide induction transformer
. DC power supply
n
Start the following adjustments 5 minutes after the main
power is turned on.
* In this chapter, [||||||] indicates the control items in the
service mode.
Example : [60|H-FREQ]
PVM-9L1
Section 2

Set-up Adjustment

2-2. Preparations (1)

Service Mode
This set is provided with a switch for service on the front
panel that can be used to make various adjustments. The
operation method of this switch is explained in detail below.
1. Entering the service mode
Simultaneously press the [ENTER] key and the
[MENU] key shown on the display of the menu 3
seconds or more.
2. Operating the Service Mode
Select the desired service item with the [9], [0] key
and press the [ENTER] key to enter the adjustment
mode.
Press the [+] key to increase the adjustment value.
Press the [_] key to decrease the adjustment value.
Press the [ENTER] key to save the adjustment value.
Press the [MENU] key to cancel the entry.
3. Finishing the service mode
Simultaneously press the [ENTER] key and the
[MENU] key shown on the display of the menu 3
seconds or more.
SIGNAL
SIG • LEVEL...
DEF • WHITE BALANCE...
DES
SYS
ENG
2-1