Pioneer PRO-R04U Service Manual page 20

1
Interface spec between MAIN and DRM (110 Pin Connector)
A
Symbol
Control TxD
RxD
TxD
RxD
B
Reset
Ready
Request
Video Y0
Y1
Y2
Y3
Y4
C Y5
Y6
Y7
PbPr0
PbPr1
PbPr2
PbPr3
PbPr4
PbPr5
D
PbPr6
PbPr7
Hsync
Vsync
CLK
CVBS
Y
C
E
Audio Lout
Rout
Lin
Rin
Power 12V
5V
3.3V
3.3V2
F
2.5V
1.31V
20
1
2
Dir. Voltage
Out 3.3V UART
In 3.3V UART
Out 3.3V UART for Update
In 3.3V UART for Update
In 3.3V Module reset
Out 3.3V ready flag
Out 3.3V request flag
Out 3.3V digital output
Out 3.3V
Out 3.3V
Out 3.3V
Out 3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 3.3V
Out 1Vp-p analog output
Out 1Vp-p
Out 0.286Vp-p
burst level
Out 2Vrms FS analog output
Out 2Vrms FS
In 2.8Vrms FS analog input
In 2.8Vrms FS
In 12V
In 5V
In 3.3V
In 3.3V for network standby
In 2.5V
In 1.31V
PDP-R04U
2
3
Description Remark
TTL
TTL
TTL
TTL
TTL (Active low)
TTL (Active low)
TTL (Active low)
TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL
" TTL (Active low)
" TTL (Active low)
" TTL (Active low)
Buffer out
" Buffer out
" Buffer out
<1kohm
" <1kohm
>10kohm
" >10kohm
3
4
Torerance
V V
OH_MIN OL_MAX
V V
IH_MIN IL_MAX
Tolerance
2.4 0.4
2.0 0.8
2.4 0.4
2.0 0.8
2.0 0.8
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
2.4 0.4
+/-10%
+/-10%
+/-10%
+/-5%
+/-5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
4