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a
Microprocessor power supply. (u-com 5V).
;
?
FL tube anode output. (P8) and initial diode matrix input.
FL tube anode output. (P7).
:
a
5
:
FL tube anode output. (P2).
P2/CAM
PI/AUTO
|
so
FL tube anode output. (P1).
Not connected.
Key scan detection timing switch.
;
O-SWSCAN
O-MOTOR
Mees
Os
LO
| o
| o|
ieee:
cou
ea
[soe
| — |
| 0
ee
|
| ors
| 0 |
[0 | BBBlevelsetectionoupu,
|
oce =f co | Connected to the tuner PLL IC LC72131 @ CE.
| 0 |
| — |
| — |
Loe)
| 0 |
Lo |
| o |
| oO
za
a |
| 0
| 0
ee
Deck mechanism motor control output.
Connected to the front shift register 2092 @) STB.
85, 86
O-BBEA, O-BBEB
6
77
78
79
81
82
83
84
87
88
92
93
94
95
97
100
O-MDRST
Q
ND.
Main mute output.
Serial data input for MD unit control.
Pm | _ vp
48
MD unit 7ZG-9A reset signal output.
[36 | ssour_|
I
I
Serial clock input for MD unit control.
Serial data send/receive ready output for MD unit control.
Serial data transfer request for MD unit control.
Serial data transfer request for MD unit control.
51
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