Pioneer PDP-502MX Service Manual page 110

1
2 3 4
PDP-502MX,
PDP-502MXE
3.46
U-COM ASSY
(3/4)
FROM u-COM BLOCK
(1/2)
SYSTEM.C0NTC1 :89)
O—
IC3G08 TC74VHC541FT-TBB
_[
or
74VHC541MTC-TBB
CD
3g£.
^83
1
1QQ
cpp
I
0,q'iR^838
—
100
for PDP-505HD
W
I
R38?5
|
R382
RAB4C10
R3822
1 RAB4C101J-T
100
IC3G12
TC74VHC02FT-
TBB
co
I
afs
rtk
33G2E
L'.ca
Ss
£:S
ST:
ISj
_.P1
1ST
R.3859
D3G
1j
R^sS
Hwvr-
—
K3
100
1SS355-TRB
10K
R38G2
100
j
for PDP-502P
85
,
RXD
25
v
*RST
55 ^ PGM.OE
21
^ RXD/SDA2
19
v
SCL2
24
v
CNVSS
18
,
BUSY2
T
I22G-TRB
pill,
$
IS!
U
„
5
©
N.C
©
STBGND
©
RST
©
PGM.0E
©
SDA2
©
SCL2
©
N.C
©
VPP
0
BUSY2
fE2l]
—
>fAT9l
FROM
ANALOG VIDEO
ASS
1 Y
B9B-PH-SM3-TBB
CN3G09
D3G20
D3G24 D3G23 D3622 D3G21
I
RD15MB-TLI
1SS22G-H
1SS22B
-TI+
FROM
FAN CONTROL BLOCK
1 STANDBY
TR28Q5
^T -CVJ
c2|
-CVJ
Q? fL
?
Q3624k
22
Q3G2G
/^r
1
QSD.H
D.RXD
j
\m-
SCLKI
SDATAI
OSD.CLRI [E6]
—
^
[Dll
OSD.CEI
TO
OSD.CLKI
DIGITAL VIDEO
OSD.DATAI ASS'Y
DGND
DGND
DGND
PM.ST
©
MR.KEY
©
REM.PM
©
REM.MP(REM)
©
STBGND
0
1
CN3G14
KM200NA5 STBGND
TO
ANALOG VIDEO
ASS
'
Y
BI1B-PH-SM3-TBB
CN3GQG
for non
it
or node
lT\
01
,33
—
©
02
'S'
01
xy
&
vS'
,
5
07
08
©
©
&
©Rhto
0
IP.ERRO
UU
©
IP.BUSYO
©
PN.ERRQ
©
PN.BUSYO
©
DGND
©
PN.MUTEX
©
PN.MUTEY
B12B-PH-SM3-TBB
CN3G08
[E5]
—
>Em3
TO
DIGITAL VIDEO
ASS'Y
E23
—
>
E2H
TO
ANALOG VIDEO
ASS'Y
STB+5V
©
1
REM
©
STBGND
©
VDD
©
RX3
©
TX3
©
RX2
©
TX2
0
B8B-PH-SM3-TBB
CN3610
[EH—
>E3]
TO
CONTROL BLOCK
B11B-PH-SM3-TBB
CN3G12
,81
Oj
—
0
Y.DET
V.MUTE
^58
Vgj/
ZOOM.CE
,54
HPQ| u
^2
^3
—
xy
©
SCL
SDA
,43
07
—
0
/zs
VPOL.U
SU.CE
xy
S2.DET
&
AGND
B10B-PH-SM3-TBB
CN3G05
[E23i
TO
ANALOG VIDEO
ASS'Y
AWV1844-
for PDP-502MX
AWV1851
-
for PDP-502MXE
AWV1859-
for PDP-502P
AWV18G0-
for PDP-505HD
AWZ6499
for PDP-502MX
AWZG520
for PDP-502MXE
AWZ6541
for PDP-502P
AWZG542
for PDP-505HD/LC-PD50U