4
KRF-V7300D/V8300D/V9300D
BLOCK DIAGRAM
J391
J301
IC391
IC321
L/R
MIC (R,EQ)
AV AUX
L/R
AM/FM
TUNER
J301
J301
J311
J311
J321
J311
J311
J341
: W02-4644-05
: W02-4689-05
J701
+6.8dB
IC111
E.VOL AVR
+4dB
+10dB
+10dB
+10dB
IC131,181
IC191
IC131,181
IC171
AVR
+24dB
+36.0dB
PACK
POWER AMP.
DISCRETE
+24dB
PACK
PACK
+24dB
6dB
Q1,2
Q3,4
Q5,6
Q101
Q7,8 CLASS A
K1
K2
K3
K5
RELAY SW
K4
K6
RX DETECT
SENSE IDENTIFY
Q381,382
Q835,836
J301
J311
J361
Q306,363
ANALOG AUDIO OUTPUT
i-pod
MD/TAPE
L/R
VIDEO1
L/R
SUB WOOFER
PRE-OUT
AUX L/R
CD/DVD
L/R
MD/TAPE
L/R
VIDEO1
L/R
VIDEO2
L/R
FL/FR
C/SW
SL/SR
DVD/6CH INPUT
ANALOG AUDIO INPUT
IC111
+20.8dB
IC503
AV AUX
J301 (X14)
J881
VIDEO1
J901
J901
DVD
VIDEO2
MONITOR
J901
J881
VIDEO1
COMPOSIT VIDEO
INPUT
OUTPUT
IC901
NJM2279
NJM2595
NJM2279
IC904
IC902
J901
VIDEO2
J901
DVD
J901
MONTTOR
S VIDEO
OUTPUT
INPUT
E2PROM
IC204
IC506
R
ML86V7656
ML86V7668A
Y DET.
J931
VIDEO1
J932
VIDEO2
DVD
MONITOR
COMPONENT VIDEO
OUTPUT
INPUT
IC801
IC802
MN101EF16KXW
RAM : 12KB
ROM : 256KB
IC931
IC880
X34HDMI
KRF-V9300D
KRF-V8300D,
Y DET.
ATT
(J)
(E,X)
IC505
-6dB
Q423,424
R2S15205FP
HDMI
DECODE
DIFINITION
DOLBY
DTS
IC402,403
Q411
MICRO PROCESSOR
C
Y
NJM2586
NJM2586
J931
J932
D751-758
J981 (J)
J982 (J)
J981 (J)
J982 (J)
12V
12V
+9V
220
220
220
220
220
220
220
220K
220
220K
220K
220
AUDIO
VIDEO COMPOSIT
TX
DO SD
RDS DATA
RDS CLK
D IN
CLK CE
REC L/R
L/R
C
SBL/SBR
LFE
SL/SR
FL/FR
-12V
+12V
+7.0V
-7.0V
FL/FR
SL/SR
C/SW
SWF
C
SBL/SBR
LIMITTER
HP.IN
PROTECT
PROTECT
OVER CURRENT
DC VOLTAGE
FRONT LEVEL
SURROUND LEVEL
220
220
REC OUT MUTE
1.5K
33K
3.3K
75
75
75
V IN2
V IN3
V IN4
V IN5
75
V IN1
+5V
-5V
V OUT1
V OUT2
V OUT3
+12V
+5V
+7.5V
-5V
-12V
-5V
+5V
+5V
-5V
V IN3
V IN2
V IN1
V IN2
V IN1
V IN3
V OUT1
V OUT2
V OUT2
V OUT1
75
75
75
75
75
75
75
C
Y
Y
C
C
Y
BUSY
DATA
+3.3V
RESET CE
CEC CONT. x 2
HDMI CONT. x
DSP CONT. x 4
RELAY CONT. x
THERMAL PRO
AVR PROTECT
+3.3V
Y ( 7 : 0 )
+2.5V
+3.3V
+2.5V
+3.3V
Y
Cb
Cr
SC
SY
X3
75 x 3
75 x 3
X3
75 x 3
X3
75 x 3
CH2 IN3
GND
CH2 IN2
GND
V+1
CH2 IN1
CH1 IN3
CH1 IN2
SW2
SW1
CH1 IN1
+5V
CH3 IN3
CH3 IN1
V+2
CH3 IN2
GND
V-1
PS
CH1 OUT
CH3 OUT
CH2 OUT
V+2
-5V
CH2 IN2
GND
CH2 IN3
V+1
CH2 IN1
GND
CH1 IN3
SW2
CH3 IN2
GND
CH3 IN3
CH3 OUT
CH3 IN1
V+2
V+2
V-1
+5V
CH1 IN1
CH1 IN2
SW1
CH1 OUT
CH2 OUT
PS
-5V
10.0MHz
SDA
RST,SLC
V CONT1,2,3
DSP & HDMI
X34 BOARD
from
F. OFF
SCK
S
D
ATA
CS
PURE
ST-BY
X09 (AMP,AVR)
X14 (DISPLAY,PRIMARY)
X08-1 (E-VOL,u-COM)
KRF-V9300D/V9300H-S
KRF-V8300D,
X08-2 (ANALOG VIDEO)
(J)
(E,X)
