Download Print this page

Kenwood KRF-X9992D Service Manual page 14

Audio video surround receiver
Hide thumbs Also See for KRF-X9992D:

Advertisement

AO
AP
X25-B/7
SURROUND UNIT (X08-2942-71)
-E18
2/6
1
F
J4
C99
L37
1000P
VIDEO2
2
COAXIAL
C98
L36
1000P
VIDEO3
1
COAXIAL
A1
L23
DIGITAL
100uH
3
IN
+5V
+
VIDEO4
2
OPTICAL
76
R321
78
100
1
2
A2
L22
100uH
3
+
CD1
2
OPTICAL
R320
1
100
A3
L21
100uH
3
+
CD1
2
OPTICAL
R319
3
100
1
VCC
4
+5V
IM DRAM
IC21
3.7V
1
I/03
VSS
3.7V
2
I/04
I/02
4.5V
3
78
WE_
I/01
3.8V
4
79
RAS_
CAS_
5
5
NC
OE_
4.5V
6
25
A0
A8
4.5V
7
24
A1
A7
2.5V
8
23
A2
A6
2.5V
9
22
A3
A5
10
VCC
VCC
A4
4.9V
2.5V
R445
47K
E1
DE-EMPH
1
R1 100
PLL DO
2
32
PLL CE
3
R2 100
29
PLL CLK
4
R3 100
X11-C/7
27
-CN11
R4 100
PLL DATA
5
28
6
T MUTE
6
R5 100
1/6
26
-16V
7
+16V
8
C
T Lch
9
9
T GND
10
10
T Rch
11
11
R6
100
STEREO
12
31
R7
SD
13
100
30
R8
100
S-LEVEL
14
25
DE OUT
15
4
X11-B/7
-E9
7
2/6
G
AQ
AR
DIGITAL
IN
+5V
+5V
R326
R324
100
47K
5.0V
C86
C85
47P
47P
+5V
DIGITAL
0.8V
INPUT
SELECTOR
IC26
2.5V
IC27
INVERTER
R327
R328
100
47K
+5V
+
R301
47K
4.9V
61
+5V
DR_
62
5.0V
2.5V
MD7
63
MD6
64
MD5
65
MD4
66
GND
3.7V
67
MD3
3.7V
68
MD2
3.7V
20
69
69
MD1
5.0V
19
3.7V
70
69
VCC
3.7V
18
3.7V
71
71
71
MD0
17
4.1V
R415 47K
C63
16
4.3V
R414
0.1
72
GND
R442 47K
47K
15
2.8V
73
GPIO3
R443 47K
14
2.8V
74
GPIO2
13
2.7V
R398 47K
75
GPIO1
2.5V
R444 47K
12
76
GPIO0
4.3V
11
77
77
MRD_
4.5V
78
MWR_
3.8V
79
MRAS_
0V
80
80
MCAS_
5.0V
C61
0.1
+5V
AS
AT
R318
C180
L6
1K
470P
L9
+5V
IC26
INPUT
SEL.
1
DI/AI(PIN79)
15
DSG(PIN78)
2
DSB(PIN77)
TYPE
OUTPUT
2.7V
EXCEPT
CD1
ANALOG
VIDEO2
H
H
OPTION
ONLY
VIDEO3
VIDEO4
CD1
VIDEO2
ANALOG
C104
VIDEO3
H
H
OPTION
47P
VIDEO4
R329
CD1
L
L
H
4.7K
VIDEO2
L
L
L
DIGITAL
VIDEO3
L
L
L
VIDEO4
L
L
H
DIGITAL
(FL,FR)
+5V
29
28
17
0V
40
5.0V
VCC
+5V
+5V
1.8V
0V
1.8V
39
MODC
DIVIDER
2.3V
38
MODB
5.0V
IC24
37
MODA
5.0V
R304
36
470
RESET_
27
35
0V
R388
MISO
16
100
34
GND
33
5.0V
0.7V
VCC
+5V
+5V
IC22
32
C68
PCAP
THX
8200P
31
Re-EQ
GND
CONFIG.
30
PINIT
(DSP)
29
GND
28
5.0V
VCC
+5V
27
2.6V
EXTAL
R302
26
SCK
100
0V
+5V
R393
47K
25
4.5V
MA0
R394
47K
24
4.5V
MA1
R395
23
4.3V
47K
MA2
R396
22
2.5V
5.0V
2.8V
MA3
47K
21
GND
IC23
INVERTER
C175 1000P
+5V
AU
AV
+5V
14 DSA(PIN76)
OPTION
+5V
OPTION
H
H
L
L
+5V
L33
C179
0.1
L34
R368
390
2.4V
+3.3V
5.0V
DIVIDER
IC32
3.2V
3.2V
1
14
1C_
VCC
1.5V
2
13
1D
2C_
2.3V
0V
3
12
1.6V
1CK
2D
3.2V
4
11
1.5V
1P_
2CK
5
R510
1Q
1K
10
5.0V
1.5V
6
2P_
1Q_
5.0V
9
1.5V
2Q
2.4V
C173
7
8
1.6V
GND
2Q_
100P
C138 100P
C139 0.1
R303 10K
A4
49.152MHz
3
2
C172 47P
OUT
VDD
C136
4
1
R367
5.0V
C66 0.1
GND
STB
22P
10K
0V
C140 0.1
L43
18
5.0V
IC33
5.0V
5V AVR
R370
39K
OUT
IN
+6.9V
GND
+
+
AW
AX
+5V
DIGITAL
IN
DIGITAL
DIGITAL(C,SW)
(SL,SR)
26
R369 560
R315
270
34
1.8V
CLOCK OSC/
35
DIVIDER
R312
560
36
1.5V
DEM
37
2.5V
MUX
50
38
2.3V
49
PLL
39
DGND2
5.0V
40
VD+
0V
41
DGND1
42
0V
S/P DIF
R560
43
RX/AUXILIARY
1K
44
INPUT
46
R563
1K
R509
47K
+5V
R371
2.7
1/4W
+7.4V
+3.3V

Advertisement

loading

This manual is also suitable for:

Krf-x9992de