5
DDX7032/7032M/712
DNX7120/7220/7320
COMPONENTS DESCRIPTION
●
VIDEO CONTROL UNIT (X15-115x-xx/X15-117x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC3
5V regulator
T_P+5V, BU_DET
IC4
3.3V regulator
TILT3.3V
IC8
3.3V regulator
TC3.3V
IC200
DC-DC control IC
DC-DC control (MECHA8V, V5V, SW5V (D5V))
IC201
DC-DC control IC
DC-DC control (SW3.3V, P5V, USB5V)
IC400
E2MROM
For saving the settings
IC401
E2MROM
For ROM correction
IC402
Reset IC
System
μ
-com reset
IC403
Buffer
Buffer for DVBT communication
IC404
MPU
System
μ
-com
IC405
AND
3.3
→
5V level conversion (NAVI_RX)
IC500
Op amp
AMP for BT audio
IC501
VIDEO ISO AMP
iPod video signal
IC502
Audio selector
MAIN
IC503
Buffer
BT control signal buffer
IC504
AUDIO ISO AMP
iPod audio signal
IC505
Audio selector
SUB
IC600
Video switch
NAVI or GRAPHIC
IC601
Video switch
DVD or NAVI & GRAPHIC
IC604
NOT
3.3
→
5V level conversion (NAVI_SYNC)
IC606
SYNC SW
GRAPHIC or NAVI
IC608
Buffer VSY
buffer
IC609
Video switch
X15, X34 VIDEO, COMP
IC612
NOT
NAVI_SYNC reversal
IC700
MOTOR DRIVER
TILT MECHA
Q1
SW
BU_DET detection circuit
Q2,3
SW
P-ON 14V control
Q4,5,11,12
SW
BU_DET detection circuit
Q13
SW
P-ON 14V control
Q14
SW
BU_DET detection circuit
Q15
SW FET
P-ON 14V ON/OFF
Q16~18
SW
BU_DET detection circuit
Q19
Short protection
BU power supply regulator (8.5V)
Q20
8.5V regulator control
BU power supply regulator (8.5V)
Q21
8.5V regulator
BU power supply regulator (8.5V)
Q22,23
8.5V regulator control
BU power supply regulator (8.5V)
Q28
8V regulator
DVD A8V regulator
Q29,31,32
8V regulator control
DVD A8V regulator
Q35
8V regulator
A8V regulator
Q37~39
8V regulator control
A8V regulator
Q44,45
SW
T_P5.0V switch
Q46
9V regulator control
LED9V regulator