Kenwood C-V100 Service Manual page 10

C-V100/V150/V300/V350
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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.
TE
L 13942296513
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
www
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
x ao
y
i
8
K E Y
R E T U R N
Q Q
3 6 7 1 3
4 KR1
(DSP)
PTY
MULTI LEVEL #
BAND
INPUT @
ON / STANDBY
DSW2 / D13
u163
.
2 9 9 4 2 8
SERIAL
COMMUNICATION
(X14) S30
ROTARY ENCODER
(VOLUME CONTROL)
(X08) IC5
DELAY IC
(X08) IC4
DSP IC
DOOR MECHANISM
DOOR
OPEN/CLOSE
(X11) IC1,2
1 5 0 5 8 2 9 9 4
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
No. into : Pin No. of main u-COM
5 KR0
(DOLBY)
TA / NEWS / INFO.
(OPEN / CLOSE)
AUTO
INPUT #
TAPE 2 (MONITOR)
m
DSW3
co
9 9
2 8 9 9