4
KDC-W6531/W6531Y
/X589/X7529
COMPONENTS DESCRIPTION
●
CD PLAYER UNIT (X32-5730-00)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
µ
-com for mechanism control
IC2
LSI for CD signal procRF AMP
IC4
BTL driver
SP,SL (including LO/EJ) motor and PU actuator
IC5
SW3.3V regulator
3.3V power supply for IC2, PU, and IC18 digital section
IC13
Audio active filter
Secondary LPF
IC14
A5V regulator
5V power supply for DAC
IC15
Compacted audio decoding DSP
AC drive decoder,MP3/WMA/AAC decoder
IC16
Compacted audio expanding SDRAM
IC17
Decoder software, unique ID storage flash ROM
IC18
Audio external 24-bit D-A converter
IC19
BU3.3V regulator
3.3V power supply for
µ
-com
IC20
1.8V regulator
1.8V power supply for core section of IC15
IC21
Decoder/SDRAM/Flash ROM 3.3V regulator
3.3V power supply for port section of IC15, IC16 and IC17
Q1,4
Level shift (3.3V-5V) FET
Q3,5,6
Level shift (3.3V-5V) transistor with 2 elements
Q7
Level shift (3.3V-5V) transistor
Q8
APC (Auto Power Control) transistor
Q9,10
Transistor for preceding beam delaying SW during non-search
Q11
A5V power supply constant circuit FET
Q12,13
SW8V SW transistor
Q14,15
SDRAM 3.3V power supply SW transistor
SDRAM power supply is turned off when /CSRST is “L”.
D2
UPD63712GC built-in resetting terminal static protection diode
D3
Protection diode for pick-up laser diode
D4,D5
Diode for securing audio L-R reference voltage
D6
Diode for control terminal’s “L” confirmation for IC20 and IC21
●
ELECTRIC UNIT (X34-342x-xx/3762-70)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
System
µ
-com
IC2
E-vol IC
IC3
Regulator IC for A8V
IC4
Power IC
IC5
Regulator IC for ILL+B (10.65V)
IC6
Logic IC for muting
IC7
Reset IC
IC8
Motor Driver IC for Slide panel mecha
IC9
RDS Decoder IC
IC10
Rom IC for Installer-Memory and Rom-Correction
IC11
AMP for 4V Pre-Out Ref.
IC12
Switching regulator IC for CD mecha D5V and FL filament
IC902
AMP for Power IC SVR and E-vol IC 3.3V Ref.
Q1,2
B.U.5V AVR
While BU is applied, BU5V AVR outputs 5V.
Q3,11
SW5V
When Q11’base goes Hi, SW5V outputs 5V.