Kenwood DDX6019 Service Manual page 8

DDX6019/6029/6029Y/6039
Ref. No Application / Function
IC12 2ch D/A converter
IC30 DVD processor
IC40 Power supply IC for A5V
IC41 OP-AMP (with 2 circuits)
IC42 20bit BUS-SW
IC46 Power supply IC for video AMP
IC47 Video AMP
IC48 8bit BUS-SW
IC50 FLASH ROM
IC51 SDRAM IC
IC52 Power supply IC for BE2V
IC53 OP-AMP (with 1 circuit)
IC54 Power supply IC for BE3.3V
IC56 CMOS logic IC
IC57~61 CMOS logic IC
IC62 CMOS logic IC
IC65 Rail-to-rail OP-AMP
Q1 MOS-FET
Q2 MOS-FET
Q7 Transistor for APC
Q8 Transistor for APC
Q9 MOS-FET
Q10 MOS-FET
Q11 Transistor with resistance included
Q12 Transistor with resistance included
Q13 Transistor with resistance included
Q14 Transistor with resistance included
Q16 J-FET
Q17 MOS-FET
Q18 Transistor
Q19 Transistor with resistance included
Q20 Transistor with resistance included
Q21 Pch MOSFET
Q22 Transistor with resistance included
8
COMPONENTS DESCRIPTION
Convert audio digital signal to analog signal
MPEG decoder function processor (AV decoder)
A8V A5V
For analog audio signal active LPF
FE portion's ATAPI connection destination switching
D5V 4V
6dB amplifier with LPF
FE portion's ATAPI connection destination switching
FW maintaining for DVD processor
SDRAM for DVD processor
M3.3V BE2V
Buffer for analog audio reference potential
D5V BE3.3V
FE portion's ATAPI connection destination switching control
D/A converter control
BE-PON signal output level assurance
Buffer for IOP value detection
Laser diode for DVD ON/OFF control
Laser diode for CD ON/OFF control
Laser diode for CD brightness volume control
Laser diode for DVD brightness volume control
For protection of laser diode for CD
For protection of laser diode for DVD
LO-MUTE signal control
FG signal control
BMS signal control
DRMU signal control
For stabilizing analog audio reference potential
D3.3V switching control 1
A8V switching control 1
A8V switching control 2
D3.3V switching control 2
Buffer for IOP value detection
Power supply ON/OFF control for high-frequency superposition
Operation / Condition / Compatibility