SONY BKPF-131B Repair Manual

1-4. Location and Function of Switches/LEDs
9 D4: FREEZE indicator!] S400-1 and S400-2: SYSTEM V PHASE switches
Lights green: With selected the FREEZE switch (S7)Selected the difference of output phase with the
to OON�, or the FREEZE mode isreference video signal.
selected when the AUTO FREEZE
switch (S601-1) to "ON" and the inputS400-1S400-2Output Phase
signal is not generated.ONON2H advanced
ONOFF1H advanced
0 S6 : FRAME/FIELD switchOFFONIn-phase
Selected to remove the freeze mode to frame or field.OFFOFF1H delayed
FRAME : Freezes the input signals in frame mode.
FIELD : Freezes the input signals in field mode.S400-3, S400-4, and S400-5: Blanking switches
Factory setting : FIELDSelected the optional line of the period between
vertical blanking to blank if or not.
!- S7 : FREEZE switch
Selected to freeze the input signal or not.S400-3: OFF No blank.
ON : Freezes the input signals. Set the freeze modeS400-3: ON In the S400-4 and S400-5, the
using the FRAME/FIELD switch (S6). If youfollowing selections become possible.
set the FREEZE switch (S7) to this position, the
S400-4 S400-5Blanking Range
FREEZE indicator (D4) lights green.
OFF : Does not freeze the input signals.ONONOdd field: Lines 10 to 20
Factory setting : OFFEven field: First half of lines 273 to 283
ONOFFOdd field: Lines 10 to 21
!= S200-1 : Pedestal switchEven field: First half of lines 273 to 284
OFFONOdd field: Lines 10 to 20
Factory setting : OFFEven field: Lines 273 to 283
S200-2 : (Factory use only)
OFFOFFOdd field: Lines 10 to 21
Factory setting : Fixed to OFF.Even field: Lines 273 to 284
![ S600: Microcomputer RESET switchS400-6 and S400-7 : (Factory use only)
nFactory setting : Fixed to OFF.
Under the normal operation, never press this switch.
S400-8 : MINIMUM DELAY MODE switch
ON : Selected the difference of output phase with
the reference video signal to 4 H delay.
When the input signal becomes in phase with
a reference signal, the delay time of the output
signal with the input signal is minimum (4 H
delay).
OFF : The selection of the SYSTEM V PHASE
switches (S400-1 and S400-2) become
possible.
When the input signal becomes in phase with
a reference signal, the delay time of the output
signal with the input signal is about 1 frame.
The factory settings are shown below.
(The marks indicate the positions of the switch knobs.)
ON
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BKPF-131B1-5 (E)