Sony LBT-G3000 Service Manual page 34

SIRCS IN
| Pin No. | Pin Name 1/0
45 CD. CLOCK I
Pin Description
CD display data clock
SIRCS input
AU BUS input
Connect to GND.
tee
| O | Volume control (VOL DOWN) |
O | Volume control (VOL UP)
Microcomputer power (5V)
Not used.
DIODE. IN2
Not used.
DIODE. IN1
Distinationsmodel discrimination input
O | FL tube segment output
By
©) nO
O | FL tube segment output
O | Distinationsmodel discrimination output
Nn wo
AL AlaAla|u
Alefels|e
ie) on
MN
ee
1
S| Coin
ep
e DO
S4 ' O | FL tube segment output
O | Distinationemodel discrimination output
S6 O | FL tube segment output
63 S7 O | FL tube segment output
64 S8 O | FL tube segment output
65 S9 O | FL tube segment output
66 S10 O | FL tube segment output
O | Distinationemodel discrimination output
FL tube segment output
FL tube segment output
O
O
O | FL tube segment output
O | FL tube segment output
69 . $13 FL tube segment output
70 $14 O | FL tube segment output
V. LOAD — | Minus voltage for FL tube.
i2 515 FL tube segment output
73 S16 FL tube segment output
74 Si?
75 $18
S19 O | FL tube segment output
$20 FL tube segment output
VOL. LED 2 Volume LED output
79 9G | — | Not used.
80 8G | 0 | FL tube digit output