R-A100/A150/V300/V350
6
CIRCUIT DESCRIPTION
1. Back up data and initial data
POWER ON/OFF
: OFF
MAIN VOLUME LEVEL
: -65dB
AUDIO INPUT • SELECTOR
: TUNER
VIDEO INPUT • SELECTOR(R-V300/V350)
: VCR
TAPE1/MD
: TAPE1
TAPE2/MONITOR
: OFF
FL DISPLAY MODE
: SELECTOR
SOURCE DIRECT(R-V300/V350)
: OFF
SURROUND(R-V300/350)
: STEREO
DSP MODE(R-V300/V350)
: ARENA
SPEAKER CH.LEVEL(R-V300/V350)
: 0dB
BALANCE
: CENTER
DELAY(R-V300/V350)
: 20ms
EFFECT LEVEL(R-V300/V350)
: 3
TONE BASS
: 0dB
TONE TREBLE
: 0dB
INPUT LEVEL
: 0dB
SRS 3D(R-A100/A150)
: OFF
SRS 3D LEVEL(R-A100/A150)
: LEVEL 0
TUNING MODE(AUTO/MONO)
: AUTO
PRESET MEMORY(40ch)
: TEST PRESET FREQUENCY
LAST BAND
: FM
FM LAST FREQUENCY
: 87.5MHz
AM(MW) LAST FREQUENCY
: 531kHz (CH.SP 9kHz)
: 530kHz (CH.SP10kHz)
LW LAST FREQUENCY
: 153kHz
LAST P.ch
: [--ch]
RDS DISPLAY MODE(R-A150/V300)
: FREQUENCY DISPLAY
TA/NEWS/INFO.(R-A150/V300)
: OFF
CLOCK DISPLAY
: AM 12:00
TIMER
: OFF
SLEEP TIMER
: OFF
VOICE ACTIVATE KEY WORD
: NON SPECIFIC SPEAKER(RD:KENWOOD)
VOICE ACTIVATE
: ON
2. Main microprocessor uPD780206GF025 (X14-, IC1) MIYCX type
uPD780206GF027 (X14-, IC1) KPTE type
2-1 Microprocessor periphery block diagram
REMOCON
u-COM
PLL IC
RDS DEMO. IC
ELECTRIC VOL.
TONE CONT.
+10dB ATT.
MUTE
VOICE ACTIVATION
(X05) IC2
(X14) IC52 (E,T type only)
(X09) IC4, IC5
(X08) Q1,2,5~8,15
(X05) Q6~8
(X14) IC51
(E,T type only)
SERIAL
COMMUNICATION
ROTARY ENCODER
(VOLUME CONTROL)
DELAY IC
DSP IC
AUDIO SELECTOR
VIDEO SELECTOR
KEY MATRIX
(X14) S28, S29
(X09) IC2
(X09) IC3
(X09) IC1, IC301
(X09) IC1
FL DISPLAY
(X14) ED1
(X14)
SP. RELAY
PROTECTION
POWER
CHIP ENABLE
PHONES DETECT
RESONATOR(X1. MAIN)
X'TAL RESONATOR (X2. TIMMER)
RESET
u-COM
uPD780206GF025
uPD780206GF027
K E Y
S C A N
K E Y
R E T U R N
VOICE INPUT
POWER ON
ACTIVE VOICE ON
VOICE
SET 1
VOICE
SET 2
R-A100/V300(k)1P
98.4.25
11:35
y [ W
11
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27/9/2013
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