Kenwood KRF-X9992D, Service Manual

Page: 15 / 35

AY AZ BB BD BF BH BA BC BE BG
CONVERTER
FORMAT
DOLBY
MPEG
PROLOGIC
Q51
D33
CONTROL
(3.3V)
DC-DC
Q31
REGULATOR
5V SHANT
Q32
5V
BUFFER
ROM
DIGIT
AL
OUT
DIGITAL OUT
5V AVR
5V AVR
D31
D32
3.3V
DIG (AC3)
3.3V
(PROTECT)
REGULATOR
SHANT
ON/OFF
7.4V
(PROTECT)
PROTECTION
D/A,A/D
CONVERTER
DIR
22
21
20
19
18
17
16
15
14
13
12
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
GND
TEST1
TEST0
SDATA
LRCK
GND
SCLK
VDD(3.3V)
ABOOT_O
RESET_O
CS_O
SCCLKO
SCDI2
SCDO2
GND
EMOE_
D7
D6
D5
VDD(3.3V)
VDD(5V)
25/26
CS_1
ABOOT_1
INT/BOOT
DI/AI_
SEL_A15
A15
A16
A17
GND
VDD(3.3V)
Q0
Q1
Q2
Q3
Q4
Q5
Q6
GND
EMCE_
AUDATA1
AUDATA0
LRCK
SCLK
MCLK
40
41
42
43
44
1
GND
XMT958
WR/DS
EMOE_
SCDIN
VDD
5
3
2
4
6
SDATAN2
SCLKN2
28
27
SCLKN1
LRCKN1
GND
26
25
24
23
19
SDATAN1
VDD
ABOOT_/INTREQ_
21
22
20
CS_
SCDOUT
18
100
R500
62
28 27
53 55 63 54
R501 100 R502 100 R503 100
R505 47K R504 47K R506 47K
R508
R507 47K
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
VCC
PGM_
A17 A14 A13
A8 A9
A1
1
OE_
A10
CE_
Q7 Q6 Q5 Q4 Q3
1
2 3 4 5 6 7 8
9
10
11
12 13 14 15 16
VPP A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND
R547
10K
R539 10K R541 10K
R540 10K R543 10K R546 10K
R544 10K
R348 10K R350 10K R349 10K R354 10K R353 10K R355 10K R351 10K R352 10K
C121 0.1
65 64 63 62 59 56 57 58 55 54 53 65 64 62 63 59 58 57 56 53 54 55
10K
10K
10K
10K
10K
10K
10K
10K 10K
10K
10K
R522
R521
R523
R524
R525
R526
R527 R528
R529
R530
R531
R339 47K
R340 47K
R342 47K
R341 47K
1000P
C119
79
80
67
65
3
5
6
R343 47K
R347 47K
R345 47K
R346 47K
1000P
10
66
8
9
R564
1K
GND
2
1
GND
14
13
5
3
4
FB
SG
6
7
PG
STB
GND
10
12
11
OUT
GND
9
8
IN
GND
GND
C230 0.1
L29
L28
L30
0.1
C226 0.1
C247 0.1
C156 0.1
C159 22
C161 22
10
C162
10
C164
47u16
C165
+
47u16
C163
+
C160 220u6.3
+
+
C158 220u6.3
L27 L26
L35
R383 1K
R382 10K
1K
R381
C225
R377
1K
R376
1K
C154 0.01
10K
C155
2.2K
R450 22K
R337 47K R335 47K R336 47K R338 47K
23
RESET_I
39 40
GND
31
SCCLKI
37 38
SCDIN
35 36
SCDOUT
33 34
VDD(5V)
BCKR
32
GND
WCKR
27 29 30
SDI1
SDI0
28
GND
SCDI1
25 26
SCDO1
OVL/ERR
24
TEST_R
TEST4
22
TEST3 TEST2
21
VDD(5V)
100P
C273
C274 100P C275 100P 100P C276
VDD(3.3V)
61
62 63
Q7
71
67 65 64
Q12 X15
66
X16 X17
69 68
Q14 Q13
70
Q8 Q9
73 72
Q1
1
Q10
74
GND VDD(3.3V)
75 76
D0 D1
77 78
D2 D3
79 80
D4 GND
33
AUDA
T
A
2
39 37 38
DC
35 36
DD
RESET_
34
GND
VDD
29 31 32
FIL
TS
FIL
TD
30
CLK SEL
CLK IN
LRCKN2
14 10
8 7
SCCLK
9
D
ATA
7
D
ATA
6
12
11
D
ATA
5
D
ATA
4
13
VDD GND
16 15
D
ATA
3
D
ATA
2
17
D
ATA
1
D
ATA
0
C126 100P
C125 100P
C127 100P
R358 560
R359 390
R357 270
R356
100
R545 100
10K
R559
C131
10K
3
1
2 7 6 4 5
12 10 13 14
1Y 1G 1A
4A
2A 2Y 2G_ GND
8
3G_
3A
9
4Y
11
3Y
1000P
VCC
4G_
C128
47P
R360
C249 1000P
R532 10K
R533 10K
R535 10K
R534 10K
R536 10K
R538 10K
R537 10K
C117
0.1
1
C1
16
0.1
C1
18
390 390 560 270
32 34 30 31
28 27
61
100P C129 560
R361
100P
C134
R364
560
100P
C133 R363 560
47
R365
GND
5.6
R372
C148 0.1 C250 0.1
100u10
C146
+
R373 39K
C149 0.1
100u10
C147
+
OUT IN
GND
C150 0.1
100u10
C153
100u10
C152
C151 0.1
R374 39K
1/4W
1/4W
R375
10
C106 0.1
C107 0.022
C109 0.1
0.22 3K
R330 C108
1u50
+
+8V
+8V
+8V
+8V
2
1
K
NC
4
3
NC
NC
7
8
REF
NC
6
5
A
NC
2 4 3
NC NC
1
NC
K
7 6
A
8
NC REF
5
+6.7V
+8V
R379
0.1
R378
+8V
+8V
+8V
+7.4V +7.4V
+7.4V
R334 R333 R561 R562
100
R558
10K
R362
+7.4V
+8V
+3.3V
+7.4V +7.4V +7.4V
+3.3V
+3.3V +3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V +3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+6.7V
+5V
+5V IN OUT
+7.4V
+7.4V
+7.4V
+7.4V
+7.4V
+3.3V
+7.4V
+3.3V +3.3V
+5V
+5V
+5V
+3.3V
+3.3V
+5V +5V
+5V
3 4 8 6 5 7
10
9
11
25 26 24 23
+5V
+5V +5V +5V
57
+5V
C1
10
13
16
37
+ +
9 5 2
100
R511
26
R542 10K
46
37
C157 220u25
+
0.1
C130
13
22 24 26
18
1.5
R573
+3.3V IC36
100
VOLTAGE
REFERENCE
INPUT GAIN
AGND2
VA
+
AGND1
RIGHT ADC
LEFT ADC
MONO ADC
FIL
TERS
DIGIT
AL
VOLUME CONTROL CONTROL CONTROL VOLUME VOLUME VOLUME CONTROL CONTROL VOLUME VOLUME
6
DAC
5
DAC DAC
3 4
DAC
2
DAC
CONTROL
1
DAC
DIGITAL FILTERS
CONTROL PORT
MUX INPUT
ANALOG LOW PASS
AND OUTPUT STAGE
1K
R380
Q31
Q32,51,52
+5V +5V
IC28
IC30
(X08-2942-71)
IC29
IC37
IC38
IC36
IC31
IC34
IC35
IC25
5.0V
0V 0V 0V
5.0V
0V
0V
5.0V
5.0V
2.4V
2.4V 2.4V 2.4V
6.7V 5.0V
6.7V 5.0V
2.4V
2.4V
5.0V
2.4V
2.4V
0V
2.4V
4.9V
3.2V
0V
3.2V
3.2V
3.2V
0V
3.2V
1.5V
1.6V
0.5V
5.0V
0V 0.5V 0V 2.5V 2.5V 5.0V 0V
5.0V
0.8V 0V
5.0V 5.0V
5.0V
5.0V
5.0V
5.0V
0V
0V
0V
0V
0V
5.0V
3.2V
0V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V 3.2V 0V 0V 0V 0V 0V
3.2V 3.2V
3.2V
0V
3.2V
0V
3.2V
3.2V
0V
0V
0V
3.2V 3.2V 3.2V 3.2V 3.2V 3.2V 3.2V 3.2V 3.2V
0V
3.2V
3.2V
3.2V
3.2V
1.0V
1.6V
1.6V
1.6V
1.0V
1.6V 1.6V
3.2V
3.2V
3.2V
3.2V
0V
3.2V
1.7V
1.5V
1.6V
0V
2.3V
1.7V 1.6V
1.5V
2.5V
1.6V
1.0V
1.6V
3.2V
2.5V
1.9V
3.3V
7.7V
3.2V
2.4V
2.0V
7.7V
7.5V
6.9V
7.7V
7.7V
6.9V
0V
3.2V
KRF-X9992D(K) PCBSD1,2P( 99.11.1 7:04 PM y [ W 7