8
KVT-514/524DVD/534DVD
/534DVDM/54DVDR/554DVD
Ref. No.
Application / Function
Operation / Condition / Compatibility
Q4-7
SW
PCON output
Q8,9
SW
ANT_CON output
Q11
SW
ACC detection
Q12-20
SW
Over voltage/Voltage reduction/BU_DET
Q21-25
SW
BU5V circuit
Q26-28
SW
BU3.3V circuit
Q29,30
SW
T_P+5V circuit
Q35-37
SW
P_ON SW+14V control
Q38
SW
P_ON SW+14V ON/OFF
Q39
SW
A8.5V circuit
Q40-42
SW
A5V circuit
Q43,44
SW
BE_A5V circuit
Q45
SW
KAB SW+14V control
Q46
SW
KAB SW+14V ON/OFF
Q51
SW
DC/DC protection control
Q52
SW
Z2-MECHA power supply voltage (7.5V/5V) switching
Q53
SW
DC/DC protection control
Q54
SW
DC/DC SW FET (MECHA7.5V)
Q55
SW
DC/DC SW FET (D5V)
Q56,57
SW
DC/DC protection control
Q58
SW
DC/DC SW FET (USB5V)
Q59
SW
DC/DC SW FET (D3.3V)
Q60,61
SW
VILL_R power supply
Q62,63
SW
VILL_G power supply
Q64,65
SW
VILL_B power supply
Q66,67
SW
LED_R power supply
Q68,69
SW
LED_G power supply
Q71,72
SW
A8.5V circuit
Q73
SW
DETMUTE circuit (Trigger BU_DET), DETMUTE detection
Q74
SW
DETMUTE circuit (Trigger RESET), DETMUTE detection
Q75
SW
DETMUTE circuit (Trigger RESET), TV_RST detection
Q76
BUFFER
HSY (3.3V
→
5V)
Q77
SW
DC/DC PSTART
Q78
BUFFER
AVSW_SDA (5V
→
3.3V)
Q79
BUFFER
AVSW_SCL (5V
→
3.3V)
Q80
SW
SI
Q82
SW
KAB detection
Q350
SW
KAB_RX error connection protection
Q351-353
SW
Pre-Out_Mute circuit (FRONT)
Q354-356
SW
Pre-Out_Mute circuit (REAR)
Q357-360
SW
Pre-Out_Mute circuit (AVOUT)
COMPONENTS DESCRIPTION