Kenwood C-V100 Service Manual page 10

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