Read Sony DHC-MD555 (serv.man2) Service Manual online
– 5 –
The terminal for the earlier mentioned optional TC is of the 5-pin type used for system cables, etc. The serial data of the SDA terminal uses
the same signal format as CONTROL I.
Fig. 1-2. Optional TC Terminal
Table 1-2. Function of Optional TC Terminals
1
3
5
4
2
Serial data input/output terminal
Normal:H, when the microprocessor is abnormal:L
Grounding terminal
+5V terminal
Serial clock input/output
Normal:H, when the microprocessor is abnormal:L
Grounding terminal
+5V terminal
Serial clock input/output
No
I/O
Terminal Name
Function
1
2
3
4
5
2
3
4
5
I/O
I/O
I/O
–
–
–
I/O
SDA
HELP
GND
VDD
SCL
HELP
GND
VDD
SCL
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