Kenwood KRF-X9995D Service Manual page 28

AJ AK
(X08-3090-11)
Q Q
3 7 6 3 1 5 1 5 0
+16.9V
16.6V
-16.6V
C207 5.1V
10u50
3.3V
+ R351
10
+3.3V +B
C206
1000P
D/A
IC14
25
1 28
24
DVSS CKS2
5.1V 3.3V
2 27
23
+B DVDD CKS1
3 26
R207
MCLK CKS0
+5V
R352 1K 25
1 4
P/S
PD
24
5
VCOM
BICK
23
AOUTL+
6
11 SDATA
7
R206
LRCK
22
47K AOUTL-
R353 1K 8
21
SMUTE
AOUTR+
R205
R354 1K
9 20
47K DFS AOUTR-
10 19
+B DEM0 AVSS
11
R211 C212 DEM1
18
AVDD
220 47P 12
+B DIF0
17
VREFH
16
VREFL
13
+B DIF1
14 15
DIF2 BVSS
R401
+B
10
D/A
IC17
1 28
DVSS CKS2
3.3V 2 27
+B DVDD CKS1
C330
3 26
100P
MCLK CKS0
16.9V
R402 1K 25
4
P/S
R331 R333 PD
24
5
120 10
VCOM
BICK
8
23
AOUTL+
C329
6
8 SDATA
100P
7
R335 LRCK
22
1 AOUTL-
R403 1K 8
21
SMUTE
AOUTR+
R404 1K
9 20
DFS AOUTR-
10 19
+B DEM0 AVSS
R332 R334
11
9
DEM1
T E 18
120 10 L 1 3 9 4 2 2 9 6 5 1 3
AVDD
12
+B DIF0
17
VREFH
16
VREFL
R336
13
1
+B DIF1
14 15
DIF2 BVSS
R451
+B
10
3
IC20
1 28
DVSS CKS2
3.3V 2 27
+B DVDD CKS1
3 26
MCLK CKS0
25
R452 1K 4
P/S
PD
24
5
VCOM
BICK
23
AOUTL+
6
6 SDATA
7
LRCK
22
+5.7V
AOUTL-
R453 1K 8
21
SMUTE
5.7V AOUTR+
R454 1K
9 20
DFS AOUTR-
10 19
+B DEM0 AVSS
11
DEM1
18
+6.3V
AVDD
12
+B DIF0
17
VREFH
6.3V 16
VREFL
13
+B DIF1
14 15
DIF2 BVSS
D/A
(SB Lch/SB Rch)
+15.5V
+5V
+6.3V
w w w
7 6 5 4 3 2 1
CN1
AL AM
+16.9V
16.6V
5.1V
C351
0.1
3.3V
C356 10u50
+B
R373 C367
+
10 100P
C357 100P
R361 R365
1K 1K R371 4.7K
2
R362 R366
1
1K 1K
3
4
IC15
21
(1/2)
20
B
R356
1 +B
5.0V
+5V
5.1V R355
IC15
+5V
10 (2/2)
R368 5
8
7
1K 6
R367 R372
1K 4.7K
R374 C368
5.1V
10 100P
C401
0.1
3.3V
C408 10u50
+B
R423 C417
+
10 100P
C407 100P
R411 R415
1.8K 1K R421 4.7K
2
R412 R416
1
1.8K 1K 3
4
IC18
21
(1/2)
20
B
R406
5.0V 1 +B
+5V
R405
5.1V
IC18
+5V
(2/2)
10
R418 5
8
7
1.2K 6
R417 R422
1.2K 27K
R424 C418
5.1V
10 2700P
C451
0.1
3.3V
C456 10u50
+B
R473 C467
+
10 100P
C457 100P
R461 R465
1K 1K R471 4.7K
2
R462 R466
1
1K 1K 3
4
IC21
21
(1/2)
20
B
R456
5.0V 1 +B
+5V
R455
5.1V
IC21
+5V
(2/2)
10
R468 5
8
7
1K 6
R467 R472
1K 4.7K
R474 C468
10 100P
+15.5V
+5V
+6.3V
x a o
y
. i
AN AO
16.9V
IC15,16
DAC OUT
FILTER
SLch
C380
100P
IC16
R375 R379
(1/2)
R381 R383
510 470
2
120 10
1
3 10
4
C379
-16.6V
R386
100P 1
B
R385
16.9V
+B
1
16.9V
5 8
7 R382 R384
R376 R380 6 11
120 10
510 470 IC16
(2/2)
SRch
IC18,19
DAC OUT
FILTER
Cch
16.9V
C430
100P
IC19
R425 R429
(1/2)
R431 R433
680 470
2
1 120 10
3 12
4
C429
-16.6V
100P
B
Q Q R435
+B
3 7 6
1
R436
1
5
8
7 R432 R434
R426 R430 6 13
1.5K 10
12K 18K IC19
(2/2)
SWch
15
IC21,22
DAC OUT
FILTER
C480
100P
IC22
R475 R479
(1/2) 14
R481 R483
510 470
2
1 120 10
3 14
4
R976
C479
39
100P
B R975
R485 39
13
+B
1 L1
16.9V 16.9V
4.7uh
5
8
7 R482 R484
R476 R480 6 16
R974
120 10
39
510 470 IC22
(2/2)
R973
39
12
-16.6V
L2
R486
1 4.7uH
-16.6V 17.1V
+15.5V
+5V
+6.3V
u 1 6 3
16 15 14 13 12 11 10 9 8 7 6 5 4
.
VR-5700/5900 (2/6)
BJ-3 E
KRF-X9995D/X9995D-S (2/6)
AP AQ
2 4
8 9 9
R76
5.1V 10 5.1V
+B +5V
IC5
DIGITAL
INPUT
SELECTOR
C76
27P
R80
10K
11
+B
DIGITAL
2 1 4 3 6 5 8 9
OUT
BUFFER
IC1-3 IC1-4 IC1-5 IC1-6
R71
+B
10
R72 C73 R73 R75
14
11 13 12 10 0.1 220 75
10
7
IC1-2 IC1-1
IC2-4
DIGITAL
INPUT AMP
R18
+B +B
10
R2 C2
14
R5 10 11 R7 12 13 750 0.01
3
47 150
C15 1000P
IC2-2 IC2-1
7
+B
14 R12 C12
R15 4 3 R17 2 1 750 0.01
2
47 150
IC2-4 IC2-3
3 1 5 1 5 0 7 8 9 2
+B
14 R22 C22
R25 R27 750 0.1
8 9 6 5
1
47 150
IC2-6 IC2-5
7
R48
+B +B
10
14 R32 C32 5.1V
R35 R37 750 0.01
10 11 12 13
47 150
IC3-2 IC3-1 C35 1000P
7
+B
6 5 8 9
+B
14 R42 C42
R45 R47 750 0.01 IC3-5 IC3-6
4 3 2 1
47 150
IC3-4 IC3-3
7
R58
+B +B
10
R52 C52
14
R55 R57 750 0.01
10 11 12 13
47 150
IC4-2 IC4-1 C55 1000P
7
+B
6 5 8 9
+B
14 R62 C62
R65 R67 750 0.01 IC4-5 IC4-6
4 3 2 1
47 150
IC4-4 IC4-3
7
+5V
6.0V IC54
+5V AVR
6.3V R969 1 R971 1 5.1V
+B IN OUT +5V
R970 1 R972 1
GND
m
c o
3 2 1
CN3
KRF-X9995D/X9995D-S/VR-5700/5900
Y05-4220-10
AR AS
IC1-4 : TC74HCU04AF
IC5 : TC74HC151AF
IC6 : AK4112BVF
IC7 : AK5383VF
2
8 9 9
IC8,9,12,13,15,16,18,19,
21,22 : NJM4565MD
IC11,14,17,20
: AK4393VF or
AK4393-VF
IC31 : ADSST-A-3525
IC32 : 49BV008A1ALA
IC33,34 : HY57V16160DTC
IC35 : TC7S04F
IC36,37 : TC7SHU04FU
IC38 : TC74HC08AF
IC39,40 : TC74LVX573F
IC41 : TC7SH32F
IC42 : TC7SH02F
IC43 : uPD784224K507
IC44 : TC74VHC125F
IC45 : TC7WH34FK
IC51 : uPC29L33T
IC52 : PQ3DZ13
IC53,54 : uPC29M05T
D3-6 : DA204U or
1SS302
SIGNAL LINE
GND LINE
+B B LINE
B B LINE
J1
DIGITAL
OUT
CAUTION: For continued safe-
ty, replace safety critical com-
ponents only with manufactur-
er's recommended parts (refer
to parts list). indicates safe-
J2 ty critical components. For
DVD continued protection against
risk of fire, replace only with
same type and rating fuse(s).
To reduce the risk of electric
VIDEO2 or shock, leakage-current or
CD1
resistance measurements shall
4 9 8 2 9 9
be carried out (exposed parts
are acceptably insulated from
the supply circuit) before the
VIDEO3 or
MD/TAPE appliance is returned to the
customer.
J3
CD-R
VIDEO2
J4
VIDEO3
X13-A/6
-CN5
3/6
C
VIDEO4
X13-A/6
-CN6
3/6
D
X13-A/6
-CN4
3/6
E