Sony SPP-111 Service Manual page 10

Channel Setting:
During startup in machine test mode, make the following channel
settings by loading the terminal input data.
34
Pin No.
ROW5
Channel
(TP13)
CH1 H
CH2 H
CH3 H
CH4 H
CH5 H
CH6 H
CH7 H
CH8 H
CH9 H
CH10 H
CH11 H
CH12 H
CH13 H
CH14 H
CH15 H
CH16 L
CH17 L
CH18 L
CH19 L
CH20 L
CH21 L
CH22 L
CH23 L
CH24 L
CH25 L
TEST1 L
TEST2 L
TEST3 L
TEST4 L
Machine Test Mode Input / Output:
1. Input (Input ports for other than main tasks)
Pin Name Pin No.
ROW1 (TP17) 29
ROW2 (TP16) 31
ROW3 (TP15) 32
ROW4 (TP14) 33
ROW5 (TP13) 34
TEST CH (TP33) 1
TEST SW (TP43) 40
TEST ACK (TP44) 44
2. Output (Output ports for other than main tasks)
Pin Name Pin No.
TALK LED (TP35) 48
KEY LED (TP55) 2
33 32 31
ROW4 ROW3 ROW2
(TP14) (TP15) (TP16)
L L L
L L L
L L H
L L H
L H L
L H L
L H H
L H H
H L L
H L L
H L H
H L H
H H L
H H L
H H H
L H H
L H H
H L L
H L L
H L H
H L H
H H L
H H L
H H H
H H H
L L H
L L H
L H L
L H L
Function
Setting the CH (channel)
Control terminal for setting the CH (channel)
Start up of the test mode
During the test mode, causes start of intermittent
operation with external input.
Function
Various input/output monitor output
(default : RSSI (H) detection).
During test mode : All light lit. However, does
not include measurment of consumption current.
29
TX frequency
ROW1
(MHz)
(TP17)
L 48.760
H 48.840
L 48.860
H 48.920
L 49.020
H 49.080
L 49.100
H 49.160
L 49.200
H 49.240
L 49.280
H 49.360
L 49.400
H 49.460
L 49.500
L 49.670
H 49.845
L 49.860
H 49.770
L 49.875
H 49.830
L 49.890
H 49.930
L 49.990
H 49.970
L 48.800
H 48.970
L 49.910
H 49.950
Refer to channel setting
H : OFF, L : ON
H : Start, L : Not start
H : Intermittent start
No detection
No light
– 10 –
RX frequency
(MHz)
43.720
43.740
43.820
43.840
43.920
43.960
44.120
44.160
44.180
44.200
44.320
44.360
44.400
44.460
44.480
46.610
46.630
46.670
46.710
46.730
46.770
46.830
46.870
46.930
46.970
43.780
43.890
46.800
46.900
Logic
H Logic L Logic
Detection
Light