Pin /
No.
Mark I/O /
Division
Function
21 SEL1 I Selector encoder for
input 1
22 HOLD I Blackout detection
terminal
23 SEL2 I Selector encoder for
input 2
24 D.PASS O DSP signal selector
25 RLY O Relay control output
26 LOUDNESS O Loudness control output
/ (Not used, open)
27 - - Not used.
28 VEE - Power supply for FL
driver
29 S/C SP O Surround/Center speaker
/ control output
30 SP B O Speaker B control output
31 SP A O Speaker A control output
32 AF MUTE O Muting control output
33-
48
SEG16-
SEG1
O FL segment signal output
49-
58
DEG1-
DEG10
O FL digit signal output
59 INIT IN I Diode input initial
settings
60 VOL DOWN O Volume control output
(Down)
61 VOL UP O Volume control output
(Up)
62 - - Not used.
63 IF DATA I Serial data signal
64 LIMITTER O Power limitter control
output
65 T CE O Tuner control (CE) chip
enable / signal
66 T CK O Selector/Tuner (CK)
clock signal
67 T DT O Selector/Tuner (DT) data
signel
68 SUR1 I Encoder of surround
mode / selector input1
69 SUR2 I Encoder of surround
mode / selector input1
70 COM CK O Common clock signal
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