Kenwood KTC-V300E Service Manual page 5

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
51 NC O
52 T_VMUTE O
53 NC O
54 VJ I
55 T_AMUTE O
56 WRITE_E2P I
57~61 NC O
62 VCC2 -
63 NC O
64 VSS -
65~73 NC O
74 ST I
75 BIL I
76 MS O
77,78 NC O
79 TYPE1 I
80 TYPE2 I
81 P-ON O
82~95 NC O
96 AVSS -
97 VREF_CON O
98 VREF -
99 AVCC -
100 NC O
Application
NC
Video mute
NC
Video detection
Audio mute
EEPROM write mode
NC
NC
NC
Stereo/Monoral detection
Bilingual broadcasting detection
Bilingual broadcasting switch
NC
Selecting destination
Selecting destination
Power-on command output
NC
A/D reference voltage
NC
KTC-V300E/V300N/V300P
Processing / Operation / Description
H: Mute ON, L: Mute OFF
H: SYNC found, L: SYNC not found
H: Mute OFF, L: Mute ON
L: Normal mode, H: E2PROM write
L: Stereo, H: Monoral
L: Bilingual
When receiving bilingual broadcasting,
H: MAIN/MAIN, L: SUB/SUB
H: POWER ON
Hi: VREF power supply
5