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3 7 63 1515 0
Ref. No.
IC9
BUFFER
IC10
2.5V REGULATOR
IC11
3.3V REGULATOR
Q1
TRIANGLE GREEN LED SW
Q2
TRIANGLE RED LED SW
Q3
BLUE LED SW
Q4
GREEN LED SW
Q5
RED LED SW
Q6
SW3.3V SW
Q7,8
SW5V SW
Q9,10
FL3.3V SW
Q12
FL BLK SW
Q11,13
FL+B SW
● CD PLAYER UNIT (X32-5730-00)
Ref. No.
µ-com for mechanism control
IC1
IC2
LSI for CD signal processing +RF AMP
TE
L 13942296513
IC4
BTL driver
IC5
SW3.3V regulator
IC13
Audio active filter
IC14
A5V regulator
IC15
Compacted audio decoding DSP
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
IC20
1.8V regulator
IC21
Decoder/SDRAM/Flash ROM 3.3V regulator
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
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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
COMPONENTS DESCRIPTION
Application / Function
Application / Function
x
ao
u163
y
i
KDC-MP828/W7531/W7531Y/W8531
2 9
8
Operation / Condition
Functions when controlling fruorescent indicator tube (ED1)
For 2.5V power supply
For 3.3V power supply
Lights up when base is "H"
Lights up when base is "H"
Lights up when base is "H"
Lights up when base is "H"
Lights up when base is "H"
When base is "L", SW3.3V is supplied to IC1 and IC3
When Q8 base is "H", SW5V is supplied to IC2 and IC6
When Q9 base is "H", FL+3.3V (VDD1) is supplied to fruorescent indicator tube
When base is "H", fruorescent indicator tube (ED1) lights up
When Q11 base is "H", FL+B (VDD2) is supplied to fruorescent indicator tube
Operation / Condition
Q Q
3
6 7
1 3
1 5
SP, SL (including LO/EJ) motor and PU actuator
3.3V power supply for IC2, PU, and IC18 digital section
Secondary LPF
5V power supply for DAC
AC drive decoder, MP3/WMA/AAC decoder
3.3V power supply for µ-com
1.8V power supply for core section of IC15
3.3V power supply for port section of IC15, IC16 and IC17
SDRAM power supply is turned off when /CSRST is "L"
co
.
/W8531Y/X789/X8529/X889
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
5
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