Pioneer DVL-909 Service Guide - Page 5

Front Cldm Assy, Jckb Assy

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DV-505, DVL-909, DV-S9 IC802 MB811171622A -100FN 16Mbit SDRAM CODE Buffer (Video, Audio, Sub-picture,GUI) IC 801 MB86371 CPU I/F Memory Controller System Decoder (DMUX) MPEG 2 Sub Video Picture GUI Decoder Decoder 27M AV Sync Controller 36M DVD/V-CD AV Decoder MIX Copy Gurd NTSC /PAL Encode DAC DAC DAC AC3/MPEG1 Audio Decoder S/PDIF DVD Y (IC815 1 ) LD Y SIGNAL (from MYCB) AMP (from MECHA. CONT. 41 ) D-EXT ON/OFF D-Extention Circuit Pedestal Clamp Sync Tip Clamp Sync Tip Clamp LD Y TRAP H IC620 L Y OUT C OUT to MYCB BLANKING PLUSE (from AV-1 48 ) BURST FLAG (from AV-1 47 ) LD C SIGNAL (from MYCB) DVD C (IC815 7 ) L H IC620 KEY Front Section FL Cont. FL TUBE A.B. REMOTE Key SENSOR PCM Digital PD Key DVD C. DVD Y. AC-3/PCM Digital SEL IR IR DATA Hi-Bit X311 384 × 44.1k (16M) VCXO 8 Hi-Bit 14 IC202 PD0236AM 16M 2 3 Sel IC203 TC74HC157AF 4 CLK 25 9L 10 D/A 5 R 6 IC201 PD2029AM (L) Sel Sel AC-3 RF IC301 CXD2046Q D/A Y/C SEP. 1-8 D/A 33 Y (LD) 36 C (LD) SR IN SR OUT L OUT R OUT JCKB ASSY AC-3 (COAXIAL) /PCM Digital OUT (TOSLINK) PCM Digital OUT AC-3 RF OUT C (DVD) Y (DVD) 3 4 5 1 IC620 15 2 IC620 TC74HC4053AF MYCB ASSY Y OUT C OUT Comp. OUT CLDM ASSY 5

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5
DV-505, DVL-909, DV-S9
MYCB ASSY
Y OUT
H
LD Y
H
KEY
L
L
to
MYCB
C OUT
TRAP
AMP
Sync Tip
Clamp
Pedestal
Clamp
D-Extention
Circuit
Sync Tip
Clamp
DVD Y
(IC815
)
LD Y SIGNAL
(from MYCB)
1
(from MECHA. CONT.
)
D-EXT ON/OFF
41
BLANKING PLUSE
(from AV-1
)
48
BURST FLAG
(from AV-1
)
47
LD C SIGNAL
(from MYCB)
DVD C
(IC815
)
7
IC620
IC620
Memory Controller
CPU
I/F
System
Decoder
(DMUX)
AV Sync
Controller
MPEG 2
Video
Decoder
NTSC
/PAL
Encode
AC3/MPEG1
Audio Decoder
S/PDIF
DAC
DAC
DAC
Copy Gurd
Sub
Picture
Decoder
GUI
16Mbit SDRAM
CODE Buffer
(Video, Audio, Sub-picture,GUI)
IC802
MB811171622A
-100FN
AC-3 RF
Hi-Bit
IC202
PD0236AM
16M
IC201
PD2029AM (L)
D/A
25
9
10
5
6
Sel
CLK
IC203
TC74HC157AF
VCXO
X311
384
×
44.1k
(16M)
Hi-Bit
DATA
Sel
Sel
L
R
PCM Digital
PD
Key
DVD C.
DVD Y.
IC620
TC74HC4053AF
AC-3/PCM Digital
IC301
CXD2046Q
Y/C SEP.
1-8
D/A
D/A
IC620
Y (DVD)
C (DVD)
Comp. OUT
C OUT
Y OUT
AC-3 RF OUT
PCM
Digital OUT
AC-3
/PCM
Digital
OUT
R OUT
L OUT
SR IN
SR OUT
SEL IR
IR
FL
Cont.
Key
A.B.
FL TUBE
REMOTE
SENSOR
Front Section
CLDM ASSY
14
8
3
2
4
Y (LD)
C (LD)
33
36
2
4
1
15
3
5
MIX
IC 801
MB86371
DVD/V-CD
AV Decoder
27M
36M
(COAXIAL)
(TOSLINK)
JCKB ASSY