4
Ref.
Parts No.
Name
Function
Q5
DTC114YUA
Switch
Drives Q7.
Q6
DTC124EUA
Driver
Drives buzzer.
Q7
2SB1443
Switch
Switching Bu power source
Q8
DTA114EUA
Mute
Bus audio mute drive
Q13
2SD1760
9V AVR
Audio power supply
Q14
DTC144EUA
Switch
Bus audio mute drive
Q16
FMG2
Switch
Input control of bus SYS ON, SYS OFF
Q17
FMA2
Switch
Output control of bus SYS ON, SYS OFF
Q18
DTA124EUA
Parking Detection
Q19
DTC124EUA
Illumination Detection
Q20
2SC4081
ACC Detection
Q21
2SC4081
BU Detection
Q22
DTB123YK
Switch
Switching BU 5V by PON
Q23
2SD2114K
Switch
Switch for MZ-BUS AGND
Q24
DTA144EUA
Driver
Electric current drive of Q23
Q25
DTC144EUA
Switch
On/Off of GND line of bus
Q26
2SC4081
9V AVR
Power supply for speaker amp
Q33
DTC124EUA
Switch
Power switch for FM transmitter
Q34
DTA124EUA
Switch
Power switch for FM transmitter
Q35
2SC4081
Buffer
Audio buffer for FM transmitter
Q36,37
2SC4081
LPF
PLL LPF for FM transmitter
Q41
2SB1203-FA
9V AVR
Power source for speaker amp
Q43
2SC2714(Y)
Oscillation Circuit
Oscillator and modulation circuits for FM transmitter
Q45
2SC2714(Y)
RF Amp
RF Amp for FM transmitter
Q49,50
2SC4081
Buffer
Video signal buffer
Q51
DTA124EUA
Switch
Turned on by panel reset key.
Q52
DTC124EUA
Switch
On/Off switch for TV antenna diversity
Q300
2SA1576A
Buffer
Video signal buffer (output2)
Q301,302
DTC143EUA
Switch
Audio mute drive for output2
Q303
2SA1576A
Buffer
Video signal buffer (output1)
Q304
DTA124EUA
Switch
Audio mute drive for output2
Q305,306
2SA1576A
Buffer
Buffer for FM transmitter audio
Q307
DTC143EUA
Mute
Mute drive for FM transmitter output
Q309
2SC2714(Y)
Amp
RF Amp
Q310
DTC124EUA
Reverse Sensor Detection
Q311
DTC124EUA
Switch
Audio mute drive for output2
Q315
2SA1870
Switch
BU power source switching
Q316
DTC124EUA
Switch
Switching voltage value for IC502 and IC503 power source
Q317
2SC4081
Switch
BU power source switching
Q501
DTA124EUA
Switch
ON/OFF of IC501 power source
COMPONENTS DESCRIPTION
VZ817N