Kenwood KC-Z1 Service Manual page 27

AQ AR AS AT
(X08-2720-10) (2/3)
Q Q
3 7
1
IC52 IC52 IC52
(4/6) (5/6) (6/6)
65
GND
IC52
66
( 66 ) A11
(3/6) 3.3V
67
VCC
5.0V
68
( ) A12
68
IC52 69 3.6V
( 69 ) A13
(2/6) 0V
70
( 70 ) A14
2 0V
71
A15
72
C344 NC
0.01 5.0V 73
IC52
VCC
(1/6)
74
NC
C537 0.1
75
GND
76
C528 0.1
GND
77
3.9V
( 77 ) ROM
A21 36MHz 5.0V
78 IC47
VCC
VSS VDD L73
79
NC DSP
OUT
5.0V 80
(PRO LOGIC,AC-3)
INT
81
GND
82
XTO
1.8V 83
XTI
84
3 GNDA
85
VCCA
5.0V
86
VCC
3.8V 87
( 87 ) WR
88
GND
89
GND
4.0V 90
( 90 ) RD
5.0V 91
VCC
92
NC
93
4.9V
RESET
94
TDO
2.5V 95
WSA/FSA
C527 96 T E
L 1 3
GND
1000P
4
DIGITAL DIGITAL
(SL,SR) (FL,FR)
DIGITAL
(C,SW)
5
C532 100u10
+
C538 0.1
C533 0.01
C539 100u10
+
C534 0.1
5.0V
Q21 0.6V
+5V
AVR
R433 27 2W
R434 27 2W
6
R435 27 2W
R430 27 2W
R449 27 2W C535
0.1
C586 100u10
w w w
+
C587 0.01
C588 100u10
+
X08-1/3 C589 0.01
( +8V )
2/8
( GND )
( +5V REF )
TO DIR.AD.DEMO.SEL ( )
F
( BCK )
( )
DATA
7
( MCK )
( LRCK )
AU AV AW AX
6 3 1 5
C516
0.1
C517
0.1
C518
0.1
C519
32 0.1
GND
31 C520
NC
0.1
30
NC + +
29 5.0V IC48
VCC
28 C521 S-RAM 1.2V 1.1V
NC 0.1
(BOTTOM
27
NC VIEW)
C522
26 0.1
NC
25
NC
24
NC
5.0V
23
VCC
22 1.2V R582
D19 22 ( 50 )
21 47 ( 52 )
GND ( 53 )
20
( 57 )
GND
R581 ( 59 )
19 1.2V
D18 19 ( )
61
18 5.0V 47
VCC ( 66 )
17 1.2V R580 47 ( 68 )
D17 17 ( 69 )
16 R579 47
1.2V
D16 16
R578 47
15 1.2V
D15 15
14 1.2V R577 47
D14 14
13 1.2V R576 47
D13 13
12 R575 47
1.2V
D12 12
5.0V
11
VCC
10 1.2V R574
D11 10
9 47
GND
8
NC C547 220P
R573
7 1.2V
D10 7
C546 220P
6 5.0V 47
VCC
5 1.2V R572 47
D9 5 DIGITAL
4 R571 47
1.2V (FL,FR)
D8 4
R570 47
3 1.3V
D7 3
2 1.2V R569 47
D6 2 1 64 0V
P0 AOTDF2
1
9 4 2 2 9 2 6 5 1 3 63
GND 0V
P1 AOTDF1
3 62
0V
P2 ASO
4 61
P3 AOWCK DIGITAL
2.5V (C,SW)
R568 47 5 60
P4 LRCK0
127
6 59
R567 47
125 P5 FS320
0V
R566 47 7 58 2.5V
124 ASI1 FS640
R565 47 2.4V 8 57
BCK1 FS1280
123
1.7V 9 56
FS512I IC41 FS2560
10 55
2.5V
LRCKI DSP FS5120
0V
11 (THX,DSP LOGIC) 54
ASI2 VSS3
R422
2.4V 12 F L F R C S W 53
47 BCK2 OSC2
5.0V
5.0V 13 52
VDD1
5.0V OSC1
14 51
TSET1 VDD2
15 50
TSET2 A16
C541 16 49
TSET3 A15
0.1 17 48
TSET4 A14
C542 18 47
C556
VSS1 A13 1000P
1000P
19 46
TEST5 A12
20 45
( 20 ) RAS A11 C557
2.3V
21 44 0.1
( )
21 CAS 3.6V A10
IC44 IC43 22 43
( 22 ) DWRT 4.8V A9
D-RAM D-RAM C558
23 42 100u10
( 23 ) DREAD A8
2.4V 2.5V
24 41 +
18 1 2.4V 18 1 2.4V CE/CS A7
VSS DREAD 23 VSS DREAD 23
17 2 17 2
( ) 0V 0V ( ) 0V 0V
27 D3 D0 26 28 D3 D0 29
16 3 16 3
3.6V 0V 3.6V 0V
( 21 ) CAS D1 25 ( 21 ) CAS D1 30
0V 15 4 4.8V 0V 15 4 4.8V
( 32 ) D2 DWRT 22 ( 31 ) D2 DWRT 22
2.5V 14 5 2.3V 2.5V 14 5 2.3V
( 34 ) A0 RAS 20 ( 34 ) A0 RAS 20
13 6 13 6
( ) 2.5V 2.5V ( ) 2.5V 2.5V
35 A1 A6 36 35 A1 A6 36
12 7 12 7
2.5V 3.2V 2.5V 3.2V
( 37 ) A2 A5 38 ( 37 ) A2 A5 38
5.0V
3.0V 11 8 2.4V 3.0V 11 8 2.4V
( 39 ) A3 A4 40 ( 39 ) A3 A4 40
2.5V 10 9 5.0V 2.5V 10 9 5.0V
( 41 ) ( 41 )
A7 VCC A7 VCC 0.6V
(BOTTOM VIEW) (BOTTOM VIEW) C553 1000P +5V
AVR
C554 0.1
0.8V
7
C555 100u10 -17.0V
4
+
+ –
5.0V 5
x a o
. i
AY AZ BA BB
IC41,42 : LC83015JE
IC43~46 : LC32464P-80
IC47 : ZR38500-36
1 5 0 IC48,49 : TC55B329J-12
IC50 : 78058GC1ACB
IC51 : NJM4580E
IC52 : TC74HCU04AF
Q21 : 2SD2012
Q22,23 : 2SC3940A(R,S)
D51,52 : DAN202U
IC45
D-RAM
(BOTTOM VIEW)
SIGNAL LINE
GND LINE
+B LINE
-B LINE
IC49
S-RAM
(BOTTOM
VIEW)
IC46
D-RAM
(BOTTOM VIEW)
C565 220P
C564 220P
1 64
P0 AOTDF2 Q Q
2 63 DIGITAL 3
P1 AOTDF1 (SL,SR)
0V
3 62
P2 ASO
4 61
P3 AOWCK
5 60
P4 LRCK0
6 59
P5 FS320
0V
7 58
ASI1 FS640
2.5V 8 57
BCK1 FS1280
2.4V 9 56
FS512I FS2560
IC42
10 55
0V
LRCKI DSP FS5120
0V 11 (THX,DSP LOGIC) 54 R462 100
ASI2 VSS3
( 41 )
2.5V 12 S L S R 53
BCK2 OSC2 R463 100
R443 52 5.0V ( 42 )
OSC1
R464 100
13 51 5.0V (
47 VDD1 43 )
VDD2
14 R465 100
TSET1 50 ( 44 )
A16
15
49 R466 100
C559 TSET2 A15 ( 45 )
0.1
16 48 R467 100
TSET3 A14
( 46 )
17 47
TSET4 C567 R468 100
A13 1000P
C560 18 ( 47 )
VSS1 46
A12 R469 100
1000P 19 ( )
45 48
TEST5 A11 C568
R559 100
20 44 0.1 ( 49 )
( 20 ) RAS A10
0V
21 43
( 21 ) CAS
3.5V A9
22 C569 R470 100
( 22 ) DWRT 42 100u10
4.8V A8
23
41 + R471 100
( 23 ) DREAD 3.9V A7
24
CE/CS R472 100
2.5V
R473 100
( 55 )
R474 100
( 56 )
R475 100
( 57 )
Q22 Q23
5.0V
C575 1000P
0.6V
0.8V R442 470
+5V
IC51 1 AVR
IC51
(2/2)
(1/2) 8 17.0V D52
– +
5.0V R439
6 5.0V 2 3 39 2W
u 1 6 3
y
5.0V
R438
39 2W
D51
BC BD BE BF
8 9 2 4
R451 R492
100 100K
( 21 )
7 6 3 1 5 1 5 0 8
0V
41 20 4.9V
DIRSRDT ZRRST
42 19
4.9V 4.7V
DIRCL ZRSS
43 18
4.9V 4.8V
DIRCE ZRCK
4.9V 44 17 0V
DIRDI ZRSO
4.9V 45 16 0V
DIRSUB1 ZRSI
0V 46 15 0V
DIRSUB2 SREQ
47 14
4.9V 0V
DIRERROR MREQ
48 13
4.9V 4.8V
DIRXMODE MCK
0V 49 IC50 12 0V
ENPHA SDT
0V 50 SUB u-COM 11 0V
MDT
0V 51 10 4.9V
LPFSTB DSP1/DSP2CK
52 9
0V 4.9V
LPFCK DSP1/DSP2DT
53 8
0V 0V
LPFDA
0V 54 7 4.9V
AVREF1
4.9V 55 6 4.9V
DIGSWSEL D2REQ
0V 56 5 4.9V
DIGSEL1 D2RDY
57 4
4.9V
DIGSEL2 AVSS
4.8V 58 3 4.9V
TYPESEL D2RES
0V 59 2 5.0V
D1AK
5.3V 60 1 4.9V
RESET D1REQ
m
c o
C581
. 0.01
C582
100u10
X2
+
4.194MHz
BG BH BI BJ
9 8 2 9 9
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list). indicates safety critical
components. 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 resistance measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the appliance is returned to
the customer.
The DC voltage is an actual reading measured with a high impedance type
voltmeter with no signal input. The measurement value may vary depending on
the measuring instruments used or on the product.
DOLBY and the double-D symbol are trademarks of Dolby Laboratories
Licensing Corporation. Noise reduction circuit made under license from Dolby
Laboratories Licensing Corporation.
MUTE
STB
DATA
CLK X08-3/3
PLL LOCK
4/8
RESET
DA LRDT
DA CWDT G
DA LRCK DSP
DA BCK
DA SLSRDT
+8V KAN02 TA7805S
-8V
TA7808S
CONT
TA7812S
NF
TA7815S
9 2 4 9 8 2 9 9
UPC7905HF TA79005S
UPC7908HF TA79008S
UPC7912HF TA79012S
UPC7915HF TA79015S
R564 100
20
R563 100
19 CN3
R562 100 L82
18 1 D.GND
R561 100
17 2 +5V
+ +
R560 100 L81
16 3 +5V
R491 100 L83
4 S RQ X00-A/5-
R490 100 L84
WH7
5 M RQ
R489 100 L85
6 M CK 6/8
R488 100
R487 100 L86
7 S DT J
TL431CLP LC7218
R486 100 L87
10 8 RESET
R485 100 L88
9 9 M DT
R484 100
78
L89
( 118 ) 10 PEAK.LEVEL
R483 100
6
R482 100
5
L90
( 120 ) 11 REF.LEVEL
R481 100
3
R480 100
2
UPC2708T-E3 MRFIC2001R2
R479 100
1
R478 100
80
R477 100
79
KC-Z1/RC-Z1
KC-Z1(M) (3/8)
Y05-3140-10
BK