Section 3: Safety Related Adjustments; Preparation Before Confi Rmation; 3-1.1 Hold-Down Operation Confi Rmation; B+ Max Confi Rmation - Sony TRINITRON KV-30HS510 Service Manual

3-1. PREPARATION BEFORE
CONFIRMATION
Standard............................................................................. 135.3 ± 1 VAC
Check Condition:
AC input voltage: 120 (± 2) VAC
Note: If using a stabilized power supply, make sure that the distortion
factor is 3% or less.
Setting Mode: ............................................................................ Full mode
Signal Input: ............................................................Cross-hatch of NTSC
Initial Setting:.....................................................Standard Reset condition
Confi rm Point:............................Across CN5509 PIN 9 for B+ of D Board
3-1.1 HOLD-DOWN OPERATION
CONFIRMATION
1. Using an external DC power supply, apply 5.3 ± 0.5 Vdc between
Pin 2 of CN507 (jig connector) and ground (Pin 8); confi rm set goes
to hold-down (main power relay click).
2. Remove the external DC power supply.

SECTION 3: SAFETY RELATED ADJUSTMENTS

3-2. B+ MAX CONFIRMATION
Standard 135.3 ± 1 VAC
Check Condition:
AC input voltage: 120 (± 2) VAC
Note: If using a stabilized power supply, make sure that the distortion
factor is 3% or less.
Setting Mode: ............................................................................ Full mode
Signal Input: ............................................................Cross-hatch of NTSC
Initial Setting:.....................................................Standard Reset condition
Confi rm Point:............................Across CN5509 PIN 9 for B+ of D Board
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KV-30HS510