Panasonic SA-AK22 Service Manual page 77

Pin No. Mark
90 REG_IN
EE_CS
91 ECONO
92 RESTSW I
93 SER4
94 SER3
95 SER2
96 SER1
97 AVSS
98 VREF
99 TPS
100 DECK1
15. Block Diagram
16. Schematic Diagram
(All schematic diagrams may be modified at any time with the development of the new
technology)
Note:
S701
: Reset switch
S900
: CD Manager switch
S901
: CD 1 switch
S902
I/O Function
I/O Region and function
setting input and
eeprom chip select
output
O Main transormer
control output for
economy mode
CD limit SW input for
the most inner point
(Active Low)
O EEPROM_CLK /
EXP2_CLK/MK_CLK
O ASP latch
O ASP_CLK/EXP1_CLK/
MK_DAT
I/O EEPROM_DAT /
ASP_DAT /
EXP1_DAT / EXP2
DAT
- Analog ground (0V)
- Reference for A-D
I Tape mecha TPS
Input/ chrome 1 /
chrome 2
I Tape mecha
condition input (Half1
/Mode/Photo1/Photo
2)