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3 7 63 1515 0
Ref No.
Application / Functions
IC15,16
Motor driver
IC18
P-CON IC
IC19
Power supply IC
IC20
Analog SW
Q1,2
BU 5V AVR
Q3,601
SW5V AVR
Q4,5
SW14V AVR
Q6~8
Audio 8V AVR
Q9,602
Servo +B AVR
Q11~14
Illumination & DC/DC +B AVR
Q15,16
Audio 10.5V AVR
Q17~19
Pre Amp & -9V AVR
Q20~22
Pre Amp & +9V AVR
Q23,24
P-ANT SW
Q25
Buffer
Q26
Small lamp det. SW
Q27
BU detector
Q29
ACC detector
Q30,31
Muting driver
TE
L 13942296513
Q32,33
Surge DET.
Q34
Muting driver
Q201
Buffer
Q202
E-VOL muting SW
Q203~208 Pre-out muting SW
Q210
AGC
Q303,304
AM +B SW
ELECTRIC UNIT (X34-3060-10, X34-3062-71)
Ref No.
Application / Functions
IC1
OP AMP
IC2
OP AMP
IC3
OP AMP
IC4
OP AMP
IC5
OP AMP
IC6
OP AMP
IC7
Analog SW
IC8
OP AMP
IC9
OP AMP
IC10
DSP
IC11
SRAM
www
IC12
Buffer IC
IC13
AVR
IC14
AVR
.
Q1
AVR
Q2
AVR
COMPONENTS DESCRIPTION
Control for Panel mechanism motor
Power control IC
Switching regulator IC for CD4.7V
Logic IC for muting control
While BU is applied when BU5V regulator output is +5V
When Q601base level goes H, SW5V regulator output is +5V
When Q5 base level goes H, SW14V regulator output is +14V
When Q6 base level goes H, A8V regulator output is +8.3V
When Q602 base level goes H, S+B regulator output is +7.5V
When Q11 base level goes H, AVR output is +9.2V
When Q16 base level goes H, AVR output is +10.5V
Q18, 19 work as differential amplifier, Q17 wark as driver and -9.1V is supplied to OP
AMP for Pre-out
Q20, 22 work as differential amplifier, Q21 wark as driver and +9.4V is supplied to OP
AMP for Pre-out
When Q23 base level goes H, P-ANT SW output is +14V
EX amp control buffer
When Q26 base level goes H, Q26 turned ON
When Q27 base level goes H, Q27 turned ON
When Q29 base level goes H, Q29 turned ON
When base level goes L, muting driver is turned ON
When Q32 base level goes H, Q32, 33 are turned ON
When Q34 base level goes L, muting driver is turned ON
Noise detect buffer amp
When Q202 base level goes H, muting SW is turned ON
When base level goes H, Pre-output is muted
For AGC for spectrum analyzer
When Q303 base level goes H, AM +B is out to tuner unit
Buffer amp for ADC input (DSP Lch)
Buffer amp for ADC input (DSP Rch)
LPF for DAC output (DSP Front)
LPF for DAC output (DSP Rear)
LPF for DAC output (DSP Sub & Center)
Sub output amp
Bus management SW (Dolby prologic II)
Bus management accumulator (Dolby prologic II)
Reference AVR
Audio DSP (24bit 2ch ADC & 6ch DAC)
For DSP
Level shift buffer IC(5V→3.3V)
D 3.3V AVR (For DSP)
x
ao
u163
y
A 3.3V AVR (For DSP)
i
3.3V regulator
3.3V regulator
2 9
8
Operation / Condition / Compatibility
Q Q
3
6 7
1 3
1 5
Operation / Condition / Compatibility
co
.
KDC-9026R/PSW9527
KDC-W9027/X979
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
5
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