Kenwood DPX-6020 Service Manual page 4

DPX-6020
QQ
COMPONENTS DESCRIPTION / MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Ref. Parts No.
Q36 DTC144EUA
Q37 DTA144EUA
Q38 DTC144EUA
Q41 2SD2114K
Q42 2SD2114K
Q44 DTC143TUA
Q45 DTC143TUA
Q46 DTC143TUA
Q47 DTC143TUA
Q48 DTC124EUA
Q49 DTC144EK
Q50 DTC114YUA
Q51 DTA124EUA
Q52 DTC114YK
Q53 FMC2A
Q54 FMC2A
Q55 FMC2A
Q59 DTA114EUA
Q60 DTC124EUA
TE
L 13942296513
(X14-)IC1:System µ-com
Pin Pin Name
1 DSP RVDT
2 DSP_CLK
3 CHCON1
4 CHCON2
5 DATAH
6 DATAC
7 CHCLK
8 BYTE
9 CNVss
10 DSP_REDY
11 DSP_RST
12 Reset
13 Xout
14 Vss
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15 Xin
16 Vcc
17 NC
18 SP INT
19 BU DET
4
Name
Panel detection
CH1→2 switching
CH1→2 switching
MUTE SW
MUTE SW
PREOUT MUTE
PREOUT MUTE
PREOUT MUTE
PREOUT MUTE
PW IC MUTE
PW IC protection
SVR Discharge SW
RESET detection SW
RESET detection SW
Switch for LOGO LED
Switch for CD LED
Switch for TAPE LED
MUTE detection
MUTE detection
I/O
O DSP data output
O DSP clock output
O External CH1 selection
O External CH2 selection
O External CH data output
I External CH data input
I/O External CH clock input/output
I External data bus width switching
I Processor mode switching
I DSP write request
O DSP Reset
I Reset input
O Main system clock output
I Power input
I Main system clock input
I Power input
x ao
y
I Not in use
. i
I Spectrum analyzer reception permission
I B.U detection
8
Panel voltage detection
When turned on, A8V is output.
When turned on, Q37 is turned on.
When turned on, output of IC7 is muted.
When turned on, output of IC7 is muted.
When turned on, PREOUT MUTE (Rear Rch)
When turned on, PREOUT MUTE (Rear Lch)
When turned on,PREOUT MUTE (Front Rch)
When turned on,PREOUT MUTE (Front Lch)
When turned on, PW IC MUTE
From STBY OFF, on within 5 seconds.
When turned on, Q52 is turned on.
When turned on, RESET
When turned on, LOGO LED lights up.
When turned on, CD LED lights up.
When turned on, TAPE LED lights up.
When turned on, MUTE
At MUTE detection, Q59 is turned on
Q Q
3 6 7 1 3
Description
u163
.
2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
Processing Operation
H: CH1, L: Others
H: CH2, L: Others
L: Reset
m
co
H: Power down
9 9
2 8 9 9