Kenwood KRF-X7775D Service Manual page 28

AJ AK
(X08-3XXX-XX)
+16.9V
16.6V
-16.6V
5.1V
3.3V
R351
10
+3.3V +B
D/A
IC14
C351
1 28 0.1
DVSS CKS2
3.3V 2 27
+B DVDD CKS1
3 26 3.3V
C356 10u50
MCLK CKS0 +B
25
R352 1K 4 +
P/S
PD
C357 100P
24
5
VCOM
BICK
23
AOUTL+
6
11 SDATA
7
LRCK
22
AOUTL-
R353 1K 8
21
SMUTE
AOUTR+ 21
R354 1K 9 20
DFS AOUTR- 20
10 19
+B DEM0 AVSS
11
DEM1 5.0V
18
AVDD +5V
12
+B DIF0
17 5.1V
VREFH +5V
16
VREFL
13
+B DIF1
14 15
DIF2 BVSS
R401
+B
10
D/A
IC17
C401
0.1
1 28
DVSS CKS2
3.3V 2 27
+B DVDD CKS1
3.3V
3 26
C408 10u50
MCLK CKS0 +B
R402 1K 25
4 +
PD P/S
24 C407 100P
5
VCOM
BICK
23
AOUTL+
6
8 SDATA
7
LRCK
22
AOUTL-
R403 1K 8
21
SMUTE
AOUTR+ 21
R404 1K
9 20
DFS AOUTR- 20
10 19
+B DEM0 AVSS
11
DEM1
18 5.0V
AVDD +5V
12
+B DIF0
17 5.1V
VREFH +5V
16
VREFL
13
+B DIF1
14 15
DIF2 BVSS
R451
+B
10
3
IC20
C451
1 28 0.1
DVSS CKS2
3.3V 2 27
+B DVDD CKS1
3 26 3.3V
C456 10u50
MCLK CKS0 +B
25
R452 1K 4 +
P/S
PD
C457 100P
24
5
VCOM
BICK
23
AOUTL+
6
6 SDATA
7
LRCK
22
AOUTL-
R453 1K 8
21
SMUTE
AOUTR+ 21
R454 1K 9 20
DFS AOUTR- 20
10 19
+B DEM0 AVSS
11
DEM1 18 5.0V
AVDD +5V
12
+B DIF0
17 5.1V
VREFH +5V
16
VREFL
13
+B DIF1
14 15
DIF2 BVSS
D/A
(SB Lch/SB Rch)
+15.5V
+5V
+6.3V
AL AM
+16.9V
16.6V
5.1V
IC15,16
DAC OUT
FILTER
R373 C367
SLch
10 100P
R361 R365
1K 1K R371 4.7K
IC16
R375 R379
2 (1/2)
R362 R366
510 470
1 2
1K 1K 3
3
4
IC15
4
-16.6V
(1/2)
B
R356
1 +B
R355
IC15
(2/2) 5
10 8
R368
5 8
R376 R380
7 6
6
1K
510 470 IC16
(2/2)
R367 R372
1K 4.7K
R374 C368 SRch
5.1V
10 100P
IC18,19
DAC OUT
FILTER
R423 C417
10 100P Cch
R411 R415
1.8K 1K R421 4.7K
IC19
R425 R429
2 (1/2)
R412 R416
1 680 470 2
1.8K 1K
3
3
4
IC18
4
-16.6V
(1/2)
B
R406
1 +B
R405
IC18
10 (2/2) 5 8
R418 5
8
7 R426 R430 6
1.2K 6
IC19
12K 18K
R417 R422 (2/2)
1.2K 27K
R424 C418
5.1V SWch
10 2700P
IC21,22
DAC OUT
R473 C467 FILTER
10 100P
R461 R465
1K 1K R471 4.7K
IC22
R475 R479
2 (1/2)
R462 R466
510 470
1 2
1K 1K 3
3
4
IC21
4
(1/2)
B
R456
1 +B
R455
IC21
(2/2) 5
10 8
R468
5 8
R476 R480
7 6
6
1K
510 470 IC22
(2/2)
R467 R472
1K 4.7K
R474 C468
10 100P
+15.5V
+5V
+6.3V
AN AO
16.9V
IC5
DIGITAL
INPUT
SELECTOR
C380
100P
R381 R383
1 120 10
10
C379
R386
100P 1
B
11
R385
16.9V
+B
1
16.9V
DIGITAL
R382 R384
7
OUT
11
BUFFER
120 10
14
11
7
16.9V
C430
R5 10
100P
3
47
IC2-2
R431 R433
120 10
1
12
C429
100P
R15
4
B
2
R435
47
IC2-4
+B
1
R436
1
7 R432 R434
13
1.5K 10
R25
8
1
47
IC2-6
C
R35 10
15
47
IC3-2
C480
100P
R45 4
14
R481 R483
47
IC3-4
1 120 10
14
R976
C479
39
100P
B
R975
R55
R485 39 10
+B 13
47
1 L1 IC4-2
16.9V 16.9V
4.7uh
R482 R484
7
16
R974
120 10
39
R973
R65
39 4
12
-16.6V
47
R486 L2 IC4-4
1 4.7uH
-16.6V 17.1V
+15.5V
+5V
6.3V R969 1
+6.3V
R970 1
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN3
E BL-3
AP AQ
VR-5080 (X08-3890-10)
DESTINATION
COUNTRY ABB.
U.S.A. K
CANADA P1
VR-5090 (X08-3090-11)
R76
DESTINATION
5.1V 10 5.1V
COUNTRY ABB.
+B +5V
U.S.A. K1
CANADA P2
KRF-X7775D (X08-3090-XX)
DESTINATION
COUNTRY ABB.
EUROPE E1
KRF-X7775D-S (X08-3XXX-10)
DESTINATION
COUNTRY ABB.
Y1
PX
GENERAL MARKET M1
X1
AUSTRALIA
EUROPE E2
SHANGHAI V
C76
27P
R80
10K
IC1-4
IC5
+B
B
IC6
2 1 4 3 6 5 8 9
IC7
IC8,9,12,13,15,16,18,19,
21,22
IC1-3 IC1-4 IC1-5 IC1-6
IC11,14,17,20
R71
+B
10 J1
R72 C73 R73 R75
13 12 10 0.1 220 75 DIGITAL
IC31
10 OUT
IC32
IC1-2 IC1-1 IC33,34
IC35
IC36,37
IC38
IC2-4
IC39,40
DIGITAL
IC41
INPUT AMP
IC42
R18
IC43
+B +B
IC44
10 J2
R2 C2
14
IC45
11 R7 12 13 750 0.01
DVD
IC51
150
IC2-1 C15 1000P
IC52
7
IC53,54
D3-6
+B
14 R12 C12
R17 750 0.01
3 2 1 VIDEO2 or
CD1
150
IC2-3
7
+B
+B
R22 C22
14
R27 750 0.1
9 6 5 VIDEO3 or
MD/TAPE
150
IC2-5
7
R48
+B +B A
10 J3
R32 C32
14 5.1V
11 R37 12 13 750 0.01
CD-R
150
C35 1000P
IC3-1
7
+B
6 5 8 9
+B
R42 C42
14
IC3-5 IC3-6
3 R47 2 1 750 0.01
150
IC3-3
7
VIDEO2
R58
+B +B
J4
10
14 R52 C52
R57 750 0.01
11 12 13
VIDEO3
150
IC4-1 C55 1000P
7
+B
6 5 8 9
+B
14 R62 C62
R67 750 0.01 IC4-5 IC4-6
3 2 1
150
IC4-3
7
VIDEO4
+5V
6.0V
IC54
+5V AVR
R971 1 5.1V
+B IN OUT +5V
R972 1
GND
VR-5080/5090 (2/6)
KRF-X7775D/X7775D-S (2/6)
KRF-X7775D/X7775D-S/VR-5080/5090
Y05-4210-10
AR AS
UNIT
A B C J2
No.
0-10 NO YES E63-1129-05
UNIT
A B C J2
No.
0-11 YES NO E63-1130-05
UNIT
A B C J2
No.
0-10 NO YES E63-1129-05
UNIT
A B C J2
No.
090-10
NO YES E63-1129-05
102-10
CAUTION: For continued safe-
: TC74HCU04AF
ty, replace safety critical com-
: TC74HC151AF
: AK4112BVF
ponents only with manufactur-
: AK5383VF
er's recommended parts (refer
: NJM4565MD
to parts list). indicates safe-
: AK4393VF or
ty critical components. For
AK4393-VF
: ADSST-A-3525 continued protection against
: 49BV008A1ALA
risk of fire, replace only with
: HY57V16160DTC
: TC7S04F
same type and rating fuse(s).
: TC7SHU04FU
To reduce the risk of electric
: TC74HC08AF
: TC74LVX573F
shock, leakage-current or
: TC7SH32F
: TC7SH02F
resistance measurements shall
: uPD784224K507
be carried out (exposed parts
: TC74VHC125F
: TC7WH34FK
are acceptably insulated from
: uPC29L33T
: PQ3DZ13 the supply circuit) before the
: uPC29M05T
appliance is returned to the
: DA204U or
customer.
1SS302
SIGNAL LINE
GND LINE
B LINE
B B LINE
X13-A/6
-CN5
3/6
C
X13-A/6
-CN6
3/6
D
X13-A/6
-CN4
3/6
E