Kenwood KRF-X9992D, Service Manual

Page: 16 / 35

BR BI BK BM BO BQ BJ BL BN BP
CN12
CN11
Q50
Q49
(2/2)
Q47
IC52
Q48
Q45
Q46
IC51
(1/2)
IC50
IC50
(2/2)
IC52
(1/2)
IC54
(2/2)
(1/2)
IC54
(1/2)
IC48
IC48
(2/2)
IC49
(2/2)
IC49
(1/2)
Q33
Q34
D35
D34
Q52
MUTE
DRIVE
AMP
MUTE
(1/2)
IC51
(2/2)
IC55
(2/2)
(1/2)
IC55
IC53
(1/2)
BUFFER
RLch
SWch
RLch
SLch
Cch
SLch
IC53
(2/2)
21KHz LPF
G
N
SUB u-COM
(PROTECT)
INVERTER
Q11
D14
5V AVR
D16 D15
CONT.
SUB MUTE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RS
GND
LS
GND
SW
S-MUTE
C
GND
RO
GND
LO
SW MUTE
-20dB ATT
A MUTE
S MUTE
13
12
11
10
9
8
7
6
5
4
3
2
1
Lt
GND
Rt
GND
T L
T GND
T R
GND
+17V
-17V
NC
+8V
D GND
9
11
10
3
2
4
3
4
1
2
6
8
7
8
5
6
7
C260
C259
100P C268
C201 22P
C202 22P
1200P
C272
1200P
C271
680P
680P
10K
6.2K
R475
R474
6.2K
4.7u50
C266 R482
2.4K
1K
R486
4.7u50
C270
+
130
R484
6.8K
R494
560
R492
6.8K
R495
R493
560
R485
130 R483
2.4K
R479
10K
R478
C264
2200P
C262
C263
100K
100K
R489 100K
2200P
C261
6.2K
R457
10K
680P
R453
C233
R452
2200P
C234
4.7K
4.7K
R456
2
8
5
C235
6
7
R459
R461
2.4K
C241 100P
130
R467 100K
C199 22P
C237
3
4
2
C238
1
100K C242 100P
100K
1K
R464
C200 22P
C245
8
6
R471
560
1200P
7
6.8K
R473
C246
4
9.1K
R472
2200P
0.022
C236
+
C240
4.7u50
+
R460
2.4K 4.7u50
C244
130
R462
3
560
R470
1
6.8K
R425
680P
6.8K
R421
C207
680P C208
6.8K
6.8K
R420
R424
R440
4
1800P
6
7
100K
R429
2.4K
C215 100P
470
R403
5
8
C211
4
3
2
1
100K C216 100P
1K
R432
18K
C219
5
6
8
560
7
R439
150P
R441
C220
18K
150P
1800P
C210
+
22u50
C214
+
2.4K
22u50 R428
C218
3.9K
R430
2
3
560
R438
1
96
97
95
94
6
5
4
7
L39
R554 1K
R553 2.2K
R555 1K
R556 1K
4
6
5
7
R552 1K
L40
100uH
100uH
L41
2
3
1
2
8
1
3
8
C189 0.01
100P
C188
220P C187
C186 220P
47K
R405
R404
47K
C191 22P
22P
C190
R407 10K
10K
R406
R401
330
470
R402
R400
330
3.9K
R431
4.7u50
C193
+
R409
10K
R408
10K 4.7u50
C192
+
10u50
C169
+
10u50
C171
+
C170 10u50
+
R386 R387
1.2K 68K 3.9K
R385
R384 10K
R567
1K
100
R566
R565
100
L31
0.1
C167
47u10
C168
+
0.1
C166
L32
Q45-50
C183
0.1
C195
0.1
22K
R399
IC51,53,55
22u50
C217
+
22u50
C213
+
R427
R426
+
C243
4.7u50
1K
R433
R423
C205
C206
R422
6.8K
150P
150P
6.8K
R455
C231
C232
R454
10K
0.01
150P
10K
+
C265
4.7u50
C269
+
4.7u50
+
R476
C258
C257
R477
10K
150P
150P
10K
100P
0.01
C212 100P
0.01
0.01
100P
2200P
R458
R469 3.6K
3.6K R491
R490 3.6K
R480
1K
R487
+8V +8V
99
+17V
+8V +8V
+17V
+17V +17V
17V
17V
17V
17V
17V
17V 17V 17V
+17V
17V
+17V
+17V
17V
17V
17V
+17V
+17V
17V
+17V
+17V
17V
+17V
17V
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RESET
GND
XT I
XT O
VDD
455K
PTR ENB
PWR
PWR REQ
15
16
17
18
19
20
21
22
23
24
25
26
27
28
D0
D1
D2
D3
D4
D5
D6
D7
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
1
2 3 4 5 6 7 8 9
10
11
12 13
14
15 16 17 18 19 20
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
RST
NC NC
CS NC
FREQ0
FREQ1
PDN
NC NC NC NC NC
SUB MUTE
NC NC NC NC NC NC
NC
9991/7771
NC
NC
NC
NC
NC
VSS
NC
NC
PEAK LEVEL
DSP_HR
DSP_SS
DSP_RST
NC
NC
NC
NC
NC
NC
25/26 NC A15 A
VSS
A16 A17 A
VREF1
SCDIN SCDOUT SCCLK MDT SDT MCK MREQ SREQ DSP-SO DSP-SI DSP
CK
NC NC
OVL/ERR
AU
AC3
DATA IN
ABOOT_1
CS25_RST
CS 25
VDD
X2
X1
XIC(VPP)
XT2
XT1
AVDD
AVREF0
DSA
DSB
DSG
DI/AI
INT/BOUT
93
92
90
91
88
86
87
89
R162 47K R163 47K R165 47K R164 47K
92
93
91
90
89
87
88
86
84
85
83
99
97
95
R155 47K R154 47K R152 47K R153 47K R151 47K R148 47K R149 47K R150 47K R146 47K R147 47K
X4
4.23MHz
53 54 55
R217 100 R233 47K R216 47K R214 47K R215 47K R213 47K R21
1 47K
R212 47K R208 47K R210 47K R209 47K R207 47K
29
28
27
67
R234 100
R235 100
R236 100
KAG09
CS4226
68 57
R242 47K R219 100
R192 47K R243 47K
R71 47K
C40 1000P
47K
R240
66
65
62
63
61
R226 47K R227 47K R193 47K R189 47K R239 47K
R241
47K
R204
0.1
C41
+5V
+5V
+5V
76
77
80
79
78
R232 100
R231 100
R229 100
R230 100
R228 100
+5V
39K
R187 56K
R206 47K
R186 47K
R185 47K
R184 47K
R182 47K
R183 47K
R181 47K
R180 47K
R220 100
R221 100
R218 100
R177 47K
R179 47K
R176 47K
R175 47K
R173 47K
R174 47K
R170 47K
R171 47K
3 1
R203 100 R195 47K
R200 100 R201 100
R202 100
5 6
R199 100 R198 100
8 9
10
18
17
16
R196 100
R197 100
R172
45 44
41
43 42
R178
100 100
R190
47K
R61 47K R60 47K R59 47K
KAG09
KAG09
MAIN
DSP56007
CS4226
10K
R238
GND
IN OUT
15
R244
0.1
C39
0.1
C38
10u50
C37
+
0.1
C36
C35 0.1
C34 10u50
+
L7
L8
94
96
1/4W
1
5
+
C239
4.7u50
100K
R463
5
2.2K
R468
R466
C209
22
24
26
+8V
+8V
70
34
R488
1K
R551
47
70
47
1K
R465
100K
R481
C267 100P
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
(X08-2942-71)
IC4
IC5
IC6
2.4V
2.4V
-16.1V
16.0V
2.4V
2.4V
2.4V
16.0V
-16.1V
2.4V
2.4V
2.4V
2.4V
2.4V
0V
4.5V
16.0V
4.1V
16.0V
-16.1V
-16.1V
16.0V
-16.1V
0V
0V
-16.1V
-16.1V
16.0V
2.4V
2.4V
2.4V
2.4V
16.0V
2.4V
2.4V
2.4V
-16.1V
2.4V
0V
0V
-16.1V
16.0V
-16.1V
-16.1V
2.4V
-16.1V
16.0V
2.4V
-16.1V
16.0V
-16.1V
0V
0V
-16.1V
5.0V 7.3V
5.0V
5.0V
0V
5.0V
0V
5.0V
2.3V
2.8V
5.0V
5.0V
5.0V
0V
5.0V
0V
0V
0V
0V
0V 0V
5.0V 0V 5.0V 5.0V 5.0V 0V 0V 0V 0V 0V 5.0V 0V 0V 0V 0V 0V 0V
4.9V
0V
0V
5.0V
5.0V
5.0V
0V
0V
0V
0V
0V
5.0V
5.0V
5.0V
5.0V
5.0V
5.0V
0V
5.0V
5.0V
5.0V
5.0V 5.0V
0V 0V 0V 0V 0V
5.0V 5.0V
0V
5.0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5.0V
2.3V
2.5V
5.0V
0V
0V
5.0V
0V
2.4V
2.4V
4.9V
KRF-X9992D(K) PCBSD2,2P( 99.11.1 6:34 PM y [ W 8