Panasonic SA-DA15 Service Manual page 27

33~48 SEG16~
SEG1
49~58 DEG1~
DEG10
59 INIT_IN
60 VOL DOWN
61 VOL UP
62 VIDEO_C
63 IF DATA
64 LIMITTER
65 T CE
66 T CK
67 T DT
68 FRT_VCR2
69 MMD_CTR
70 COM CK
71 COM DO
72 COM DI
73 AVSS
74 VREF
75 SD
76 COM REQS
77 HELP LED/
RDS CE
78 COM REQM
79 VIDEO B
80 VIDEO A
- IC1901 (M38B57M6170F) DSP CONTROL
O FL segment signal output
O FL digit signal output
I Diode input initial settings
O Volume control output
(Down)
O Volume control output (Up)
- Not used
I Serial data signal
O Power limitter control
output
O Tuner control (CE) chip
enable signal
O Selector/Tuner (CK) clock
signal
O Selector/Tuner (DT) data
signal
I Encoder of surround mode
selector input1
I Encoder of surround mode
selector input1
O Common clock signal
O Common digital output
signal
I Common digital input
signal
- GND for A-D converter
- Reference voltage for A-D
converter
I SD signal detect input
O Common serial request
output
O Help LED control output
(Not used, open)
O Common mechanical
request output
O Video selector control
output B
O Video selector control
output A
27