CIRCUIT DESCRIPTION
C-V100/V150/V300/V350
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3. Main microprocessor uPD 780205GF031 (X11 : IC6) : C-V100/V300
uPD 780206GF019 (X11 : IC6) : C-V150/V350
3-1 Microprocessor periphery block diagram
REMOCON
u-COM
(X11) IC7
PLL IC
RDS DEMO. IC
ELECTRIC VOL.
TONE CONT.
+10dB ATT.
MUTE
VOICE ACTIVATION
(X05) IC2
(X13) IC2
(X08)Q1,2,5~8,15
(X08) IC7,8,9
SERIAL
COMMUNICATION
ROTARY ENCODER
(VOLUME CONTROL)
DELAY IC
DSP IC
DOOR
OPEN/CLOSE
AUDIO SELECTOR
VIDEO SELECTOR
KEY MATRIX
(X14) S30
(X08) IC5
(X08) IC4
DOOR MECHANISM
(X11) IC1,2
(X08) IC6
FL DISPLAY
(X14) ED1
(X13) IC1
(X14)
SP. RELAY
PROTECTION
POWER
CHIP ENABLE
PHONES DETECT
RESONATOR(X1. MAIN)
X'TAL RESONATOR (X2. TIMMER)
RESET
DOOR AUTOMATIC LIGHTING KEY LED
u-COM
uPD780205GF031
uPD780206GF019
K E Y
S C A N
K E Y
R E T U R N
VOICE INPUT
POWER ON
ACTIVE VOICE ON
(X11) IC6
VOICE
SET 1
VOICE
SET 2
2 KR3
3 KR2
4 KR1
5 KR0
73 KS0
(S.DIRECT)
(STEREO)
(DSP)
(DOLBY)
74 KS1
VOICE ON / OFF
DISPLAY (RDS)
PTY
TA / NEWS / INFO.
75 KS2
MODE
MULTI LEVEL
@
MULTI LEVEL
#
(OPEN / CLOSE)
76 KS3
CLOCK SET
AUTO MEMORY
BAND
AUTO
77 KS4
TUNING
%
TIMER SET
INPUT
@
INPUT
#
78 KS5
TUNING
fi
TIMER MODE
ON / STANDBY
TAPE 2 (MONITOR)
KS6
81 KS7
DSW0 / D15
DSW1 / D14
DSW2 / D13
DSW3
82 KS8
DSW4 / D16
3-2 Key matrix
No. into
: Pin No. of main u-COM
• ( ) : C-V300/V350 function
• DSW1 ~ DSW4 : Tuner distinction
• DSW5 : C-V100/V150 or C-V300/V350 Model distinction
• PTY, TA / NEWS / INFO, DISPLAY (RDS) : RDS function model (C-V150/V350)
C-V100(K) 1˜16pnew 97.7.15 7:34 PM ページ 10