Panasonic SAAK44 - MINI HES W/CD PLAYER, Service Manual

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Pin No.
Mark I/O Function
42 SP_B O Speana control
output B
43 SP_C O Speana control
output C
44
SWFK_LED-
Super woofer LED
45-63 SEG1-
SEG19 O Segment drive output
(Anode drive output)
64-72 SEG20-
28 SEG 9-
1 O Segment drive output
(Anode drive output)
For regional setting/
function selection use
73-75 SEG29-31 O Segment drive output
(Anode drive output)
76 SEG32 O Segment drive output
77-88 GRD12-1 O Digit drive output
(Grid drive output)
89 VEE - Power supply (-30V)
90 REG_IN /
EE_CS I/O Region and function
setting input and
eeprom chip select
output
91 ECONO O Main transormer
control output for
economy mode
92 RESTSW I CD limit SW input for
the most inner point
(Active Low)
93 SER4 O EEPROM_CLK /
EXP2_CLK/MK_CLK
94 SER3 O ASP latch
95 SER2 O ASP_CLK/EXP1_CLK/
MK_DAT
96 SER1 I/O EEPROM_DAT /
ASP_DAT /
EXP1_DAT / EXP2
DAT
97 AVSS - Analog ground (0V)
98 VREF - Reference for A-D
99 TPS I Tape mecha TPS
Input/ chrome 1 /
chrome 2
100 DECK1 I Tape mecha
condition input (Half1/
Mode/Photo1 /Photo
2)