Onkyo TX-DS747 Service Manual page 14

Audio video control receiver
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PM4007A (AC-3 RF Demodulator)
Pin No, |Symbol
1
GND
2
VDD
3
[RESET
#,
|OSCON
5
DATA
6
iMCK
7
/MLTR
8
IDST
9
IDCK
10
|1D0
nt
{IMO
12
|ECCK
13
DEN
4
{DRY
1s
(MSYC
16
TMI
7
[Ao
18
(AL
19
AZ
20
AZ
a
Ad
22
AS
23
"m2
24
|TM3
25°
| XOUT
26
XIN,
21
|XETX
28
GND
29
VDD
30
AG
UAT
32.
(GND
33.
VDD
34
AD
35
Ala
36
|WEB
37
ALS
38
Ag
3919
40
GND
4l
jan
42
(OBB
43
(ALO
44°
(DB?
45
|DB6
DBS
AT
{DBA
48
D E
49
|pB2
_ 50
[DBI
51
|DBO
= S
ee
a
a
| Power supply (+5V)
| System reset. Reset when "L".
Oscillation control: Oscillation
ON when "H'
:
|For IC testing. Normally connected to ground (or unconnected.).
For IC testing, Normally connected to ground (oF unconnected.)
|For IC testing. Normally connected
to ground (or unconnected.)
'Output for IC testing.
'Output for IC testing.
'Output for IC testing.
|For IC testing. Normally connected to ground (or unconnected.)
'output for IC testing.
| Output for IC testing,
" Output for IC testing
Output for IC testing.
tts
'For IC testing. Normally connected to ground (or unconnected.).
RAM address output. Address 0 (LSB)
External RAM address output. Address 1
[External RAM address output. Address 2
'External RAM address output. Address 3
'External RAM address output. Address 4
al RAM address output. Address 5
For IC testing. Normally connected to ground (or unconnected.)
|For IC testing. Normally connected to ground (or unconnected.)
Output for IC testing.
For IC testing, Normally connected to ground (or unconnected.)
|For IC testing. Normally connected to ground (or unconnected.)
Ground
|Power supply (+5V) _
Extemial RAM address output. Address 6
External RAM address output. Address 7
{Ground
Power supply (+5V)
© [External RAM address output. Address 12
Extemal RAM address qutput. Address 14 (MSB)
Write-enable signal for external RAM. Active when."
Exte
AM address output.
Address 13
Extemal RAM address output. Address 8
\Extemal RAM address output. Address 9
Ground
Extemal RAM address output. Address 1
(Output-enable signal for extemal RAM. Active when "L"_
'Extemal RAM address output. Address 10
Pin No.
32
33
54
55
56
37
58
59
6
62
63
65
67
68
10
nm
2
RB
14
15
16
1
18
19
81
82
83
85
86
87
88
89
1
92
93
94
95
97
9B
100
'Symbol
VO |Description
vpD
Power supply (+5V)
GND
- {Ground
TH
1 |For IC testing. Normally connected toVDU.
VIN
1 |VCXo inpur.
|vouT
| © | VCXO output.
7
TR
| 1 |For IC testing. Normally connected to ground (or unconnected.).
fund
| 1 |For IC testing. Normally connected to ground (or unconnected.).
TLDB
1 _ |For IC testing. Normally connected to ground (or unconnected.)
(Tek
1__|For IC testing. Normally connected to
ground (or unconnected.)
"TRP
© [Output for IC testing,
;TDO
|
_lOutput for IC testing.
PDO
|; Phase comparator output (3 states)
v4
1 |For IC testing. Normally connected to ground (or unconnected.)
PDDIS
—_I_
PDO output contro! input. Ourput ON when "L".
MUTO
© Muting output. Muted when "H",
Tis
1 For IC testing. Normally connected to ground (or unconnected.)
VLDY — | O Output
for {Ctesting,
DASYO
OQ _| Output for IC testing
SAOUT
| © | Digital out output
|DAIN
1 |For IC testing. Normaily connected to ground (or unconnected.).
"DASEL
1 | Digital out select
'TI
| 1 For IC testing, Normally connected to ground (or unconnected
C2FL_
|_| Errorstatus display for C2 correction.
i
'Outputs whether or not correction was accomplished
:C2PO
© | Error status display for C2 correction. Outputs the error count for C2
CIF
© Error status display for C1 correction.
i
'Outputs whether or not correction was accomplished,
cro
© Error tatus display for C1 correction. Outputs the error count for C1
;MUTI
| T__ Mating input. Muted when " H "
|vDD
|
Power supply (#5)
|GND
Ground
TAVDD
| -_ | Power supply for analog comparator (+5V)
'CPIN
|__| Analog comparator input. Plus side.
MIN
I
Analog comparator input. Minus side.
AGND
— , - _|Ground for analog comparator _
,T™M4
im
|For IC testing. Normally connected to
ground (or unco
VDD
~ :Power supply (45V)_
|DIN
1 |For IC testing. Normally connected to ground (or unconnected.)
\pouT
© "Analog comparator output
'pouTB
| _O._Analog comparator reverse output.
om
|
0}
GND
WINGT
| O
[Fork
'sYSTo
© |For iC testing.
{syst
© |For IC testing.
|ADSTO
| O_ |For
IC testing
ADST!
| © {ForiCtesting,
TMS
1 |For IC testing. Normally connected to ground (or unconnected.).
BUNRI___|_I_ |For
IC testing. Normally connected to ground (or unconnected.)._
|AGND
~ [Ground for 46.08MHz transmitter.
wy
ee
AVDD
| _- _|Power supply for 46.08MHz trans
ae
iz

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