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DL
KRF-V7300D/V8300D/V9300D
(X14-8112-70) (A/5)
H401
DSP-GND(TRANS)
X34-
DSP-GND(REGURATER)
CN103
DSP+5V
BO-5
4/5
HDMI-GND(TRANS)
HDMI-GND(REGURATER)
HDMI+5V
HDMI+7V
CN1
HP.DET
31
DET GND
30
FL SDATA
29
FL SCK
28
FL CS
27
FL RST
26
u-GND
25
B.U+4.1V
24
23
FL GND
D+5V
22
FL -30V
21
X08-
FL AC
20
A/3-
FL AC
19
CN502
ENC-C2
18
A-5
1/5
ENC-C1
17
ENC-B2
16
ENC-B1
15
ENC-A2
14
ENC-A1
13
12
KEY 2
X08-
KEY 1
11
A/3-
LED8(DTS)
10
CN403
LED7(DOLBY)
9
LED6(H.DIFIN)
8
1/5
LED5(S.DECORD)
7
6
LED4(HDMI-RED)
LED3(HDMI-AMBER)
5
LED2(S-BY)
4
LED1(PURE)
3
DIMMER
2
REMCON
1
TRANSFORMER
HOT
COLD
64
X14-8112-70 (2/4)
DM
C11
560P
R25
Q10
2.2K
C10
560P
R26
2.2K
R33 100
RST
R34 100
CS
R35 100
SCK
R36 100
SDATA
C20
47P
HP.DET
-26.4V
DET GND
SDATA
SCK
R21 220
CS
R22 220
RST
+4.1V
R23 1
+4.9V
R24
33.4V
4.7
LED8
LED7
LED6
LED5
LED4
LED3
C4
0.01
C5
0.01
S14
LISTEN MODE
+4.1V
R13
10
+4.9V
R42
Q3
10K
R45
Q1
STAND BY
PURE AUDIO
MODE
DN
+4.9V
IC1
1
DIG03
G4
DIG02
2
G3
R29
4.7K
DIG01
DIGIT
3
OUTPUT
R30
4
DIG00
CIRCUIT
4.7K
5
RESET
6
CS
SERIAL
SCK
7
RECEIVE
8
SDATA
CIRCUIT
P1
9
10
P0
VCC1
11
+4.9V
R37
XOUT
12
CLOCK
27K
13
XIN
GENERATOR
14
VSS
15
SEG35
16
SEG34
33.4V
C6
0.01
C7
D3
D4
0.01
S15
MULTI CONTROL
INPUT SELECTOR
A1
5
3
+3.6V
VCC
2
GND1
100
R19
1
Q2
OUT
200
4
DO
SEGMENT/
DIGIT
SELECT/
SCAN
OUTPUT
PULSE
CIRCUIT
CGROM
(35bit x 160)
DOT DATA
CGROM
DATA
WRITE
CODE/
(35bit x 16)
COMMAND
CONTROL
DISPLAY CODE RAM
CIRCUIT
BANK 1: 8bit x 16
BANK 2: 8bit x 64
CODE
WRITE
TIMING
CLOCK
CODE
SELECT
DISPLAY
CONTROLLER
P35
33.4V
R7 1.8K
R8 2.2K
R1 1.8K
R2 2.2K
C8
0.01
C9
D5
0.01
S16
CN2
LED8
1
LED8(DTS)
2
LED7(DOLBY)
LED7
LED6
3
LED6(H.DIFIN)
LED5
4
LED5(S.DECORD)
LED4
5
LED4(HDMI-RED)
R40
C30
6
LED3
LED3(HDMI-AMBER)
10
10P
7
u-GND
8
DIMMER
+4.9V
9
D+5V
+4.1V
10
B.U+4.1V
WH101-1
DET GND
1
DET GND
HP.DET
2
HP DET
3
GND
DP
SEG03
SEG04
SEG05
SEG06
SEG07
SEG08
SEGMENT
OUTPUT
SEG09
CIRCUIT
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
R9 3.3K
R10 5.6K
R11
R3 3.3K
R4 5.6K
R5 12K
R41
C31
10
10P
(X
W
X08-B/3-
W750
DET GND
1
2
HP DET
AB-4
1/5
3
GND
X09-
CN101
A/3-
H.P Lch
1
WH3
BM-1
3/5
H.P Rch
2
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