Denon UTP-250 - Microprocessor Peripheral Wiring Diagram; Key and Switch Matrix Define

AVC CHECK 2 IN
SDB
AVC
S.FUNC MUTE
S.CE
“S.DATA
S.CLOCK
VOLUME UP
VOLUME DOWN
S.DIRECT
DIMMER
STEREO IN
STOP IN
=20dB MUTE
POWER OFF
TAPE MONI OUT 1
VOL PASS OUT
SERIAL SIG OUT
;
SFINC 0
SFINC 1
SFINC 2
7
j
D m 5
x<
MUTE
AUTO/MONO
SERIAL SIG IN
50/60 IN
SIGNAL IN
TUNED IN
+5V
CLOCK OUT
TO PLL SERS
LM7000A DATA
CE
LCD INH
LOD CLK
RO1/FD1 [ {|
RO2/FD1
RO3/FD3 | 3 |
R10/FD4 [4 |
R11/FD5 | 5 |
R12/FD6 | 6 |
ROO/FDO
D15/FSO
D14/FS1
0D13/FS2
D12/FS3
D11/FS4
R13/FD7 D10/FS5
R20/FD8 | 8 | D9/FS6
R21/FD9 | 9| D8/FS7
R22/FD10 |10 | D7/FS8
R23/FD11 {I 1 | D6/FS9
RAO [12]
RA1/Vdisp [13 |
DS/FS10
D4/FS11
TEST
R30/FD12 {14 | D3/FS12
R31/FD13
[15]
ie
D2/FS13
R32/FD14 | 16 | Q D1/FS14
R33/FD15 = 49) 00/FS15
vv
Q
=x
R52 [20) CLI
GND
osci
R61/INT1 I23) Osc2
RESET
R63/INTS [25] R93
R92
R40/SCK1 [277 ROI
R41/SI1 R9O
R42/S01 [29 R81
R80
R73/SO2
MICROPROCESSOR PERIPHERAL WIRING DIAGRAM
4 5
AVC CHECK 1 IN
AIC
es NOU ce CR
KS1
KS2
:
g
x 8
KS7
KS9
KS10
KS11
KS12
SP RELAY B
‘SP RELAY A
PREOUT ON/OFF (SUB CLOCK ADJUSTMENT OUTPUT)
+5V
|
KR3
KR2
KR1
KRO
REMOCONT1 IN
SP.PROTECT IN
LCD DATA
LCD CE
6
KEY & SWITCH MATRIX DEFINE
KEY, SWITCH MATRIX
(1) KEY
KS 0 —KRO
KS 0 —KR1
KS 0 —KR 2
KS 0 —KR3
KS 1 —KR0
KS 1—-KR1
KS 1 —KR2
KS 1 —KR3
KS 2 —KRO
KS 2 —KR1 (0)
KS 2 —~KR2 10 (AM/PM)
* KS 2 —KR3 = TAPE MONITOR
KS 3 —KRO = PRESET SCAN
KS 3 —KR1 = AM (MW)
KS 3 —KR2 =FM
KS 3 -—KR3 =LW
KS 4 —KRO = FREQ UP
KS 4 —KR1 = FREQ DOWN
KS 4 —KR2 = BAND
KS 4 —KR3 = MODE
KS 5 —KRO = PRESET UP
KS 5 —KR1 = PRESET DOWN
* KS5 —KR2 = SDB
KS 5 —KR3 = CLEAR
KS 6 —KRO = CLOCK/DISPLAY
KS 6 —KR1 = ONCE (TIMER)
* KS 6 —KR 2 = ENTER/NEXT
KS 6 —KR3 = SLEEP
KS 7 —KRO = POWER
KS 7 —KR1 = STANDBY
KS 7 —KR2 = DIMMER
Hiden tan
+50 Dron Rone
oe te concn el Se Be
CLOCK/
10 AM | FREQ |PRESET| ONCE |STAND-| sicGony
(0) | (MW) | DOWN | DOWN |(TIMER)| BY DiReECT
+10 BAND ENTER/ cD— —20dB
AM/PM NEXT RETRY MUTE
TAPE PRE OUT
D-250
TUNER PRE SECTION
7 8
(2) SW
* KS 8 —KRO = HITACHI
KS 8 —KR1 = SP—REMOCON
KS 8 —KR2 = CD—RETRY
KS 8 -KR3 = OEM
KS 9 —KRO = USA
KS 9 —KR1 = EUROPE
KS9—KR2 = FREQ
KS 9 —KR3 = ADJUST
KS10—-KRO =LD
KS10—KR 1 = EX
* KS10—KR 2 = EX— PHONO
KS10—KR3 = X'TAL
(3) KEY
KS11—KR 0 = FUNCTION
KS11—KR1 =S. DIRECT
KS11—KR2 = SP—A
KS11—KR3 = SP—B
KS12—KR 1 = MEMORY
KS12—KR 2 = —20dB MUTE
KS12—KR 3 = PRE OUT ON/OFF