Kenwood VRS-N8100 Service Manual page 16

BI BJ
VRS-N8100
(X07-3550-11)
+11.9V
+41.5V
1 C58 2.2
C57 2.2
C56 2.2
+12V AVR
P3
R51
6.2
IC5
C14
R10 470u10
∗ +
1
WH1 C51
C15
0.1
P1
0.22
∗
WH2 R11
P2 120
CN5 C5
47P
GND SENSE 1
+41V SENSE 2
2
X14-A/7-
WH6
+41V 3
C8
0.01
GND 4
6/6 R30
FAN GND 5 1K
12
+14.5V 6 +14.5V
BV-1 C17
R31
1000P
1K
13
CN1 R1
C18
10K
R32
1
TAS SHUT DOWN
1000P
1K
TAS RST 2 12 14
C9
TAS ERR RCVY 3 13 R33
1K 0.01
TAS MUTE 4 14 15
TAS PDN 5 15 R34 1K
16
TAS SDA 6 16
R35
17
TAS SCL 7 17
1K
X08-
8
DC PROTECTION
CN13
3
NC 9
R14 10K
2/6 AUD DATA5 10 27
R13 10K
GND 11
AUD DATA1 12 26
AQ-6
GND G 13
AUD DATA0 14 28
GND G 15
AUD BCLK 16 30
+3.3V
GND G 17
AUD FCLK 18 31
+3.3V AVR
IC6
R50
1
19
+4.0V +3.9V IN OUT
3.8V
AUD MCLK 20 GND
GND 21
4
DIGITAL AMPLIFIER
POWER STAGE
CONTROLLER
IC2
C20
1 1
NC1
2
R234
NC2
10 3
R239
DVDD
10K
4
5 DVSS1
5
NC5
6
DTCHS
7
DTCLS
C21 0.1 8
OCHIGH
C22 0.1 9
R28
VRFILT
22K
10
75 AP
11
74 AM
12
73 RESETAB
13
72
BM
14
71 BP
15
70 CP
16
69 CM
17
68 RESETCD
18
67 DM
19
R24
66 DP
6
100 20
SHUTDOWN
21
ERR0
22
ERR1
23
LOW
24
DVSS2
25
NC25
26
NC26
27
OCLOW
R27 10K 28
TEMP
+14.5V
7
X07-3550-11
29
BK BL
VREGPCAP
1
NC1
DVDDRCL
2
NC2
3
MCLKIN
4 DVSSRCL
AVDDPLL
5
DVDDPWM
PLLFLTOUT
6 DVSSPWM
PLLFLTRET
7
PWMAP4
AVSSPLL
8
NC8 PWMAM4
9
VREGACAP
VALID4
10
DVSS11
11
PWMBM4
NC11
12 IC1
RESET PWMBP4
DIGITAL AUDIO
PWMAP5
PWM PROCESSOR
13
ERRRCVRY PWMAM5
VALID5
14
MUTE PWMBM5
PWMBP5
15
PDN PWMAP6
16
SDA PWMAM6
17
SCL VALID6
18
CS0
PWMBM6
19
NC19
20
PWMBP6
NC20
C12
1
Q101-104,201-204
POWER MOS FET
+3.3V
L101
49
60nH
Q101
R123
1 1/4W
51
R101 L105
10uH
1 1/4W
52
Q103
R103 R119
1 1/4W 2.7
54
1/4W
SURROUND Lch
L102
43
60nH
Q102
R122
1 1/4W
56
45
GVSS2
55 R232
GVDD2 R102 L104
1 10uH
54 1 1/4W
GLSA 54 46
53
SLSA Q104
52
R104 R110
SHSA 52
1 1/4W 2.7
51
GHSA 51 48
1/4W
50 C25
BSTA
0.022
49
DHSA 49
48 L201
GLSB 48
37
47
60nH
SLSB Q201
46
SHSB 46 R223
45
1 1/4W
GHSB 45
39
44 C26
BSTB L205
R201
0.022
1 1/4W 10uH
43
DHSB 43 40
42
Q203
GLSC 42
41
R203 R219
SLSC
40 1 1/4W 2.7
SHSC 40 42
39 1/4W
GHSC 39
SURROUND Rch
C27
38
BSTC
0.022
37 L202
DHSC 37
31
36 60nH
GLSD 36 Q202
35
R222
SLSD
34
1 1/4W
SHSD 34
33
33
GHSD 33
L204
R202
32 C28
10uH
1 1/4W
BSTD
34
0.022
31
Q204
DHSD 31
R233 R204 R210
30
GVDD1
1 1/4W 2.7
29
1 36
GVSS1
1/4W
BM BN
+11.9V
+41.5V
DIGITAL AMPLIFIER
POWER STAGE
CONTROLLER
IC3
C30
56
1
1
GVSS2
NC1
55
2
GVDD2
R334
NC2
10
3 54
60
R55 DVDD GLSA
4 53
59 1
DVSS1 SLSA
5 52
NC5 SHSA
58
6 51
DTCHS GHSA
7
50 C35
57 R54 DTCLS
BSTA
0.022
56 1
49
C31 0.1 8
DHSA
55 R328 390 OCHIGH
48
55
C32 0.1 GLSB
9
54 R329 390 VRFILT 47
SLSB
54
10 46
R336 390
53 65 AP SHSB
53 11 45
64 AM GHSB
52 R330 390
12
C36
52 44
63 RESETAB
BSTB
13
51 R331 390
62 BM 0.022
51 43
14
DHSB
R424 390 61 BP
50 42
50 15
GLSC
55 CP
R425 390 41
49
16
49 SLSC
54 CM
40
17
48 R435 390 SHSC
53 RESETCD
48 39
18 GHSC
47 R426 390 52 DM
47 19 38 C37
51 DP BSTC
R427 390
46
0.022
46 R25 20 37
SHUTDOWN DHSC
R428 390
45
100 21 36
45
ERR0 GLSD
22 35
44 R429 390
ERR1 SLSD
44
23 34
43 R436 390 LOW SHSD
43 24 33
DVSS2 GHSD
R430 390
42
25
42 C38
NC25 32
BSTD
26
41 R431 390
0.022
NC26
41 31
DHSD
27
OCLOW
30
R337 10K 28 GVDD1
29
GVSS1
TEMP
+3.3V
DIGITAL AMPLIFIER
POWER STAGE
CONTROLLER
IC4
1
C40
56
1 1
GVSS2
NC1
55
2
GVDD2
R434
NC2
10
3 54
DVDD GLSA
4 53
DVSS1 SLSA
5 52
NC5 SHSA
6 51
DTCHS GHSA
7
C45
DTCLS 50
BSTA
0.022
49
C41 0.1
8 DHSA
OCHIGH
48
C42 0.1 GLSB
9
47
VRFILT
SLSB
10 46
2
50 AP SHSB
11 45
49 AM GHSB
12
C46
44
48 RESETAB
BSTB
13
47 BM 0.022
43
14
DHSB
46 BP
42
15
GLSC
45 CP
41
16
SLSC
44
CM
40
17
SHSC
43 RESETCD
39
18
GHSC
42
DM
19 38 C47
41 DP BSTC
0.022
R26
20 37
SHUTDOWN DHSC
21 36
100
ERR0 GLSD
3 22 35
ERR1 SLSD
23 34
LOW SHSD
24 33
DVSS2 GHSD
25
C48
32
NC25
BSTD
26
NC26 0.022
31
DHSD
27
OCLOW
30
R437 10K GVDD1
28
29
GVSS1
TEMP
4
Q301-304,401-404,
501-504,601-604
POWER MOS FET
8
30
BO BP
+11.9V +11.9V
+41.5V +41.5V
L301
49
60nH
Q301
R323
1 1/4W
51
R301 L305
10uH
1 1/4W
52
Q303
R332
R303 R319
1
1 1/4W 2.7
54 54
1/4W
CENTER
52
51
L302
43
60nH
Q302
49 R322
1 1/4W
48
45
L304
R302
46 1 1/4W 10uH
46
45
Q304
R304 R310
1 1/4W 2.7
43 48
1/4W
42
40
L401
39 37
60nH
Q401
R423
1 1/4W
37
39
36
L405
R401
1 1/4W 10uH
40
34
Q403
33
R403 R419
1 1/4W 2.7
42
1/4W
31
SW
R333
1
L402
31
60nH
Q402
R422
1 1/4W
33
R402 L404
10uH
1 1/4W
34
Q404
R404 R410
1 1/4W 2.7
36
1/4W
L501
49
60nH
Q501
R523
1 1/4W
51
R501 L505
1 1/4W 10uH
52
Q503
R432
R503 R519
1 1 1/4W 2.7
54 54
1/4W
FRONT Lch
52
51
L502
43
60nH
Q502
49 R522
1 1/4W
48
45
L504
R502
46 1 1/4W 10uH
46
45
Q504
R504 R510
1 1/4W 2.7
43 48
1/4W
42
40
L601
37
39
60nH
Q601
R623
1 1/4W
37
39
36
R601 L605
10uH
1 1/4W
40
34
Q603
33
R603 R619
1 1/4W 2.7
42
1/4W
31
FRONT Rch
R433
1
L602
31
60nH
Q602
R622
1 1/4W
33
R602 L604
1 1/4W 10uH
34
Q604
R604 R610
1 1/4W 2.7
36
1/4W
BQ BR
CAUTION: For continued safety, replace
safety critical components only with manu-
facturer's recommended parts (refer to
parts list). indicates safety critical com-
ponents. For continued protection against
risk of fire, replace only with same type
and rating fuse(s). To reduce the risk of
electric shock, leakage-current or resis-
tance measurements shall be carried out
(exposed parts are acceptably insulated
5
from the supply circuit) before the appli-
ance is returned to the customer.
The DC voltage
is an actual
(X07-3550-11)
reading mea-
DESTINATION
UNIT No. WH1 WH2
COUNTRY ABB.
6 sured with a
U.S.A. K
0-11 YES YES
P1
CANADA high imped-
EUROPE E1
2-72 NO NO
ance type volt-
AUSTRALIA X1
JAPAN J1 0-02 YES NO
meter with no
signal input.
The measure-
IC1 : TAS5076PFC
IC2-4 : TAS5182DCAR ment value
IC5 : XC6202PC02PR
may vary
IC6 : XC6201P332PR
depending on
Q101-104,201-204,
the measuring
7 301-304,401-404,
501-504,601-604
i n s t r u m e n t s
: IRFIZ24N
Q701-704 : 2SD1819A(Q,R) or
used or on the
2SC4081(R,S)
product.
Q705 : 2SB1218A(Q,R) or
2SA1576A(R,S)
Q803 : 2SD2012
D105,106,205,206,305,
306,405,406,505,506,
605,606 : 10BQ060
D701 : UDZS3.9B or
HZU3.9(B2)
D702-704,806
8 : MA111
D804 : UDZS8.2B or
HZU8.2(B2)
GND LINE
+B B LINE
D703 D704
D702
1
R707 Q701 Q703
R117 33K 8.2K
1
R118 33K
2
Q705
R217 33K
3
R218 33K
4
R317 33K
5
R318 33K
6
R708 Q702
R417 33K 8.2K Q704
7
R418 33K
8
2 R517 33K
1 D701
R518 33K
2
R617 33K
3
R618 33K
4
CN3
1 1 SL+
2 2 SL-
3 3 SR+
3
4 4 X14-B/7-
SR-
6/6
WH105
5 5 C+
6 6 C-
BX-6
7 7 SW+
8 8 SW-
CN2
1 1 L+
2 2 L- X14-B/7-
6/6
WH106
3 3 R+
4 4 R-
4
BX-5
28
7.7V
FAN
R815 CN4
Q803
4.7 FAN V
1
GND
1/4W
2
8.3V
+14.5V
VRS-N8100 (5/6)