Appendix C Pin Assignments Appendices
TECRA M9 Maintenance Manual (960-631) [CONFIDENTIAL] C-21
C.23 CN9300 RTC Battery connector (3-pin)
Table C-23 RTC Battery connector (3-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 (R3V) - 2 NC -
3 GND -
1T GND - 2T GND -
C.24 CN8771 FAN interface connector (4-pin)
Table C-24 FAN interface connector (4-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 P5V - 2 FANGO-P3P I
3 GND - 4 FPWMO-S3P O
C.25 CN6050 Internal microphone connector (2-pin)
Table C-25 Internal microphone connector (2-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 (IMICIN-PXP) O 2 A-GND -
C.26 J6051 External microphone connector (6-pin)
Table C-26 External Microphone connector (6-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 A-GND - 2 (EMICIN-PXP) O
3 (EMICB-P2V) - 4 DETCTA-P4N O
5 A-GND - 6 EMICB-P2V -
C.27 CN6170 Speaker connector (4-pin)
Table C-27 Speaker (Right) connector (4-pin)
Pin No. Signal Name I/O Pin No. Signal Name I/O
1 SPOTR-PXN I 2 SPOTR-PXP I
3 SPOTL-PXP - 4 SPOTL-PXN I