SONY BKPF-012
Service Manual

1-3. Location and Function of Switches/LEDs

!- S302-1 and S302-2 : SYSTEM V PHASE switches Selected to the difference of output phase per line with the reference video signal. Only when the LOCK MODE switch (S301) is selected to the REF mode, the selection of this switch become possible. Factory setting : all OFF
S302-1 OFF OFF ON ON S302-2 OFF ON OFF ON Output Phase ± 0H 1H delayed 1H advanced 2H advanced

![ D204-1 and D204-2 : AUDIO GROUP select switches Because the DID (Data ID) is selected, the 4fsc composite digital video signal is multiplexed. The audio groups 1 through 4 can be selected as follows. Only when the 4:2:2 component digital input signal is multiplexed with the AUDIO signals of the two audio groups and over, the selection of this switch become possible. Factory setting : all ON
S204-1 ON OFF ON OFF S204-2 ON ON OFF OFF AUDIO GP. GROUP 1 GROUP 2 GROUP 3 GROUP 4 DID 2FFh 1FDh 1FBh 2F9h

S302-3 : Auto freeze switch Selected the auto freeze function that is automatically selected into the FREEZE mode if the input signal is not received. Only when the LOCK MODE switch (S301) is selected to the REF mode, the selection of this switch become possible. Factory setting : OFF != S203-1 : TEST SG (test signal) switch ON : Output the color bar test signal. OFF : Normal operation Factory setting : OFF S203-2 : TEST SG mode switch Selected the test signal to be output when S203-1 is set to ON. EIAJ (ON) : Outputs an EIAJ color-bar signal as the test signal. SMPTE (OFF) : Outputs an SMPTE color-bar signal as the test signal. Factory setting : EIAJ (ON)

n Except when the two audio groups and over are multiplexed, do not change the factory settings. S204-3 : AUX ENABLE switch Selected the auxialiary data except the audio when the FREEZE is selected. ON : Provided the DATA OFF : Not provided the DATA Factory setting ; OFF S204-4 : V SHIFT switch Detected whether the color frame of the VIDEO INDEX of the signal with provided to the DIGITAL IN connector matches with the color frame of the reference signal or not. If the color frames do not match, against the SYNC the video shifts two clocks (14.3 MHz). Only when the LOCK MODE switch (S301) is selected to the REF mode, the selection of this switch become possible. ON : Detection OFF : Normal operation Factory setting : OFF

BKPF-012

1-5(E)