Pioneer PRO-720HD Service Manual page 37

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Pin Function
Pin No.
1,17,35
8,9,27,34,43,
60,63
10,11,26,33,
42,61,62
64 ... 68, 2 ... 4
5,6,7,12 ... 16
18 ... 25
28
29
30
31
32
36
37
38
39
40
41
44
45,48,52
46
47
49
50
51
53
54
55
56
57
58
59
S: su pply,
PRO-720HD, PRO-620HD, PRO-520HD
Symbol Type
V
S
SS
V
S
SS
V S
DD
V0 ... 7 I/TTL
UV0 ... 7 I/TTL
YUV0 ... 7 I/TTL
BLN I/TTL
INS I/TTL
SCA I/TTL
RES I/TTL
SCL I
SDA IQ
TEST
VS I/TTL
CLL I/TTL
HS I/TTL
TEST
LF
V
S
CCI
GNDY S
YQ Q/ana
V
S
CCA
GNDV S
VQ Q/ana
GNDU S
UQ Q/ana
GNDA S
V I/ana
REF
R
REF
V S
CC
GND S
I: input, Q: output, TTL: digital (TTL)
Description
V
Supply voltage ( ) for input stages
SS
V
Supply voltage ( ) for digital parts and PLL
SS
Note: no internal connection to pins No 1,17,35
Supply voltage ( V ) for digital parts, PLL and
DD
input stages
Note: internal connection to
(about 2 Ω )
Data input V (see Data Input Formats)
Data input UV (see Data Input Formats)
Data input YUV (see Data Input Formats)
Blanking signal, high level indicates active video
line
Control signal for insertion of an arbitrary pattern
(frame insertion)
Clock signal for data input
Reset signal (active low) for Ι
Ι
2
C-Bus clock line
Ι
2
C-Bus data line
Don't connect
Vertical synchronization signal for synchronizing
Ι
2
C Bus (active: HIGH)
System clock
Control signal for black level insertion (line
frequency)
Connect to VSS
PLL-filter connection
Analog supply voltage for DACs
internally connected to V
Return path for YQ
Analog output: luminance signal Y
Analog supply voltage
internally connected to V
Return path for VQ
Analog output: chrominance signal -(R-Y)
Return path for UQ
Analog output: chrominance signal -(B-Y)
Analog supply voltage
Analog reference voltage for DACs
Reference resistor for DACs
Analog supply voltage
Analog supply voltage
V V
,
CCI CCA
2
C Bus
Ω )
, V (about 2
DD CCA
(about 2 Ω)
, V
DD CCI
219