Panasonic DVD-S32EB Service Manual page 39

INITIAL/LOGO
V VBLANK V BLANKING
VCC COLLECTOR POWER SUPPLY
VOLTAGE
VCDCONT VIDEO CD CONTROL
(TRACKING
BALANCE)
VDD
DRAIN POWER SUPPLY
VFB
VOLTAGE
VREF
VIDEO FEED BACK
VSS
VOLTAGE REFERENCE
SOURCE POWER
SUPPLYVOLTAGE
W WAIT BUS CYCLE WAIT
WDCK WORD CLOCK
WEH WRITE ENABLE HIGH
WSR WORD SELECT RECEIVER
X X X' TAL
XALE X ADDRESS LATCH ENABLE
XAREQ X AUDIO DATA REQUEST
XCDROM X CD ROM CHIP SELECT
XCS X CHIP SELECT
XCSYNC X COMPOSITE SYNC
XDS X DATA STROBE
XHSYNCO X HORIZONTAL SYNC OUTPUT
XHINT XH INTERRUPTREQUEST
XI X' TAL OSCILLATOR INPUT
XINT X INTERRUPT
XMW X MEMORY WRITE ENABLE
XO X' TAL OSCILLATOR OUTPUT
XRE X READ ENABLE
XSRMCE X SRAM CHIP ENABLE
XSRMOE X SRAM OUTPUT ENABLE
XSRMWE X SRAM WRITE ENABLE
XVCS X V-DEC CHIPSELECT
XVDS X V-DEC CONTROL BUS
STROBE
XVSYNCO
X VERTICAL SYNC OUTPUT
12. VOLTAGE CHART
Note:
- Circuit voltage and waveform described herein shall be regarded as
reference information when probing defect point, because it may differ
from an actual measuring value due to difference of Measuring
instrument and its measuringconditionand product itself.
ABBREVIATIONS
39