Pioneer DVL-90 Service Manual page 109

DVL-90, DVL-700
li UPD61021 (DVD MAIN ASSY : C401 )
@ MPEG2 DECODER
@ Block Diagram
SV_STB
SA_STB
RESET
SDATA7-0
SV_REQ
SA_REQ a Hee
DREQ 3
DACK MCLK
MCKE
Mcs
ee Audio Decoder MRAS
ws and Attenuator MCAS
MWE
VLSW Generator MDOM
VCBF
VBLK Post
. a Processing
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x ns oO SOeSS aCe PEL
a 8 7 "88288 2 Sie
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@ Pin Function
[No.[PinNamo] YO] PmFunction [No [PinName] VO[__PinFunction———~S
a Data bus for 16 bit memory interface Be
VO [Data bus for 16 bit memory interface
Data bus for 16 bit memory interface
| 25 |MDOM | O | Mask enable output signal of data input / output
Fe Power supply pin | 26 [McK | 0 | 81MHz system clock output for memory
| 27 [McKeE | 0 | Clock enable output signal
VO |Data bus for 16 bit memory interface
ro fe [2¢ jen | - [emp
ae eee [22 [oRer_—_|_1_|aitiz master cock input
Test clock pin = Input 81MHz.
90 | Lol a Connect to GND in the actual use.
a P31 [v0 | = [Powersupply pin
| 12 |vop | - | Power supply pin | 92 |T_RESET | 1 [Test tesetpin Connect to GND in the actual use.
Fs oe ea [eno [= Jeon
VO {Data bus for 16 bit memory interface
MD14 | 34 |TPLL | I | PLL test input pin Connect to GND in the normal use.
[5 Jano | - [eroundvin 5 PHO | rect output pin
; ;
| 36 yeu
Open in the actual use.
VO |Data bus for 16 bit memory interface
5 Freeze signal _—_Input when freezing the picture.
j +8 joo
| - | ee
jae ver |
| Freeze ts able to performed by the software command.
19 VFI Field index signal output
VO |Data bus for 16 bit memory interface Discriminate the output picture data is ODD or EVEN.
|40 |VBR | | Flag signal of the Video chroma Cb
\/O |Data bus for 16 bit memory interface
109