Kenwood DV-303 Service Manual page 23

3. Video Component Signal (CB) Output Adjustment
Do this adjustment after replacing a C.B.A.
Measurement point
Video output terminal
Measuring equipment, tools
Screwdriver, Oscilloscope
100mV/div, 10msec/div
Purpose: To maintain video signal output compatibility.
1. Connect the oscilloscope to the video component output terminal and terminate at 75 ohms.
2. Apply the trigger at the Y output terminal signal.
3. Adjust VR3041 so that the video component signal (CB) level becomes 525 mVp-p ±11 mV.
4. Abbreviations
INITIAL/LOGO
A A0~UP ADDRESS
ACLK AUDIO CLOCK
AD0~UP ADDRESS BUS
ADATA AUDIO PES PACKET DATA
ALE ADDRESS LATCH ENABLE
AMUTE AUDIO MUTE
AREQ AUDIO PES PACKET REQUEST
ARF AUDIO RF
ASI SERVO AMP INVERTED INPUT
ASO SERVO AMP OUTPUT
ASYNC AUDIO WORD DISTINCTION SYNC
B BCK BIT CLOCK (PCM)
BCKIN BIT CLOCK INPUT
BDO BLACK DROP OUT
BLKCK SUB CODE BLOCK CLOCK
BOTTOM CAP. FOR BOTTOM HOLD
BYP BYPATH
BYTCK BYTE CLOCK
C CAV CONSTANT ANGULAR VELOCITY
CBDO CAP. BLACK DROP OUT
CD COMPACT DISC
CDSCK CD SERIAL DATA CLOCK
CDSRDATA CD SERIAL DATA
CDRF CD RF (EFM) SIGNAL
CDV COMPACT DISC-VIDEO
CHNDATA CHANNEL DATA
CKSL SYSTEM CLOCK SELECT
CLV CONSTANT LINEAR VELOCITY
COFTR CAP. OFF TRACK
CPA CPU ADDRESS
ADJUSTMENT
Adjustment point
VR3041 (mother C.B.A.)
ABBREVIATIONS
Mode
Color bar 75% DVD disc (Color bar 75%)
Adjustment value
525mVp-p±11mV
INITIAL/LOGO
C CPCS CPU CHIP SELECT
CPDT CPU DATA
CPUADR CPU ADDRESS LATCH
CPUADT CPU ADDRESS DATA BUS
CPUIRQ CPU INTERRUPT REQUEST
CPRD CPU READ ENABLE
CPWR CPU WRITE ENABLE
CS CHIP SELECT
CSYNCIN COMPOSITE SYNC IN
CSYNCOUT COMPOSITE SYNC OUT
D DACCK D/A CONVERTER CLOCK
DEEMP DEEMPHASIS BIT ON/OFF
DEMPH DEEMPHASIS SWITCHING
DIG0~UP FL DIGIT OUTPUT
DIN DATA INPUT
DMSRCK DM SERIAL DATA READ CLOCK
DMUTE DIGITAL MUTE CONTROL
DO DROP OUT
DOUT0~UP DATA OUTPUT
DRF DATA SLICE RF (BIAS)
DRPOUT DROP OUT SIGNAL
DREQ DATA REQUEST
DRESP DATA RESPONSE
DSC DIGITAL SERVO CONTROLLER
DSLF DATA SLICE LOOP FILTER
DVD DIGITAL VIDEO DISC
E EC ERROR TORQUE CONTROL
ECR ERROR TORQUE CONTROL
REFERENCE
ENCSEL ENCODER SELECT
DV-303
Disc
ABBREVIATIONS
23