Panasonic SJ-MR220 Service Manual page 50

Pin Mark I/O
No. Division
42 EEPDATA0 O
43 EEPDATAI O
44 AKMCDT1 O
45 AKMCSN O
46 AKMCCLK O
47 AKMPDN O
48 EL ON I
49 DC IN I
WAKEUP
50 LCDCNT O
51 MONIOFF O
52 MUTEA O
53 MUTEB O
54 NC —
55 DEBUG1 O
56 DEBUG2 O
57 MHEAD I
UP
58 PROTECT I
59 HOLD I
SW
60 DCINDET I
Function
EEPROM data output
terminal
EEPROM data input
terminal
Analog input PGA A/D
converter interface data
output terminal
Analog input PGA A/D
converter interface chip
select output terminal
Analog input PGA A/D
converter interface clock
output terminal
Analog input PGA A/D
converter interface reset
output terminal
EL display control input
terminal
DC IN wake up input
terminal
LCD power cont. output
terminal ("H" : ON)
3T monitor OFF output
terminal ("H : OFF)
Analog mute A output
terminal
Analog mute B output
terminal
Not used, open
Micro computer debug
output terminal
Micro computer debug
output terminal
Magnetic head down input
terminal
Erase prevention switch
input terminal
HOLD switch input
terminal ("H":OFF, "L":ON)
DC IN det. input terminal
50