Kenwood KC-Z1 Service Manual page 28

BL BM BN BO
(X08-2720-10) (3/3)
Q Q
3 7
1
DIGITAL
(SR) IC29
R217 47 12 11
X08- 1.8V 4.9V
BCKO RST
2 1/3 R220 47
3.3V 13 10
DOR FSEL2
R218 47 3.3V 14 9
(Rt)
2/8 DOL FSEL1
(Lt) R219 47 5.0V
0V 15 8
(+17V) WCKO WSL2
5.0V 16 5.0V 7
(-17V)
E VDD NC
(-5V REF) DIGITAL
17 6
(+5V REF) + NC NC
(SL) 5.0V
18 5
(-8V)
NC VSS
(+8V)
0V 19 4 2.5V
(GND) OFST CKO
20 3
2.5V
LRCI CKSL
5.0V
2.5V 21 2 1.8V
BCKI 5.0V CKI
3.4V 22 1
DIN WSL1
DIGITAL FILTER
(SL,SR)
3
(MUTE)
X08-
2/3 (STB)
(DATA)
(CLK)
3/8
(PLL LOCK)
(RESET) T E
L 1 3
(DA LRDT)
G
(DA CWDT)
(DSP) (DA LRCK)
4
(DA BCK)
(DA SLSRDT)
(+8V)
(-8V)
(CONT)
(NF)
INVERTER
IC38 IC38
(2/6) (4/6)
IC1~9,11~16,39,40 : NJM4580E
L113
IC17 : TC9162AF IC38
IC18 : TC9163AF L115 IC38
(3/6)
IC21~26 : PCM1702U
IC25 L114 (1/6)
IC27~29 : SM5841HS
384FS
IC30,31 : KAN02 C285
4.7u50
1 20
IC32 : TC9246F DATA VSS
5 -5.0V +
IC33 : TLC2932IPW 1.8V 2 19 + L122
BCK
IC38 : TC74HCU04AF DC
REF -2.5V C287
3 18
NC NC 22u50
Q1,2 : 2SC3940A(R,S) C281 4.7u50 4 17 +
Q3 : 2SA1534A(R,S) VDD SERVO
+ -2.0V C289
5 16
GND A.COM 100u10
C283 4.7u50 6 15
VSS A.COM
+
3.7V 7 14 SUR.Lch
L.E I OUT
0V
C295 0.1 8 13
NC NC C291
C296 0.1 47u25
9 12 LRCK
NC BPO DC IC5,6
2.6V +
C297 0.1 10 11
+ 21KHz LPF
NC VDD
C298 0.1 5.0V C293
4.7u50
R41
4.3K
DAC L118
C43 IC5
1600P
(1/2)
6 IC26
L117 -17.0V
0V
C286 2 4 R43
4.7u50
1 20 – 1 910
DATA VSS
-5.0V + 3
2 19
1.8V BCK + + 0V
DC
REF -2.5V C288 0V
3 18
NC NC 22u50
C282 4.7u50 4 17
w w w +
VDD SERVO
+ -2.0V C290
5 16
GND A.COM 100u10 IC6
C284 4.7u50 6 15 (1/2)
VSS A.COM
+ 0V R44
3.7V 7 14 0V 3
L.E I OUT + 1 910
0V
8 13 2
NC NC C292 –
47u25 4
9 12 0V
NC BPO DC
+
10 2.6V 11
+ SUR. C44 -17.0V
NC VDD
5.0V C294 Rch 1600P
4.7u50
7
SIGNAL LINE DAC
L116 R42
GND LINE 4.3K
+B LINE
-B LINE
BP BQ BR BS
6 3 1 5
DIGITAL
(FL)
1.8V IC27
DIGITAL
12 11 4.9V
(FR) BCKO RST
3.3V 13 10
DOR FSEL2
3.3V
14 9
DOL FSEL1
5.0V
3.7V 15 8
WCKO WSL2
5.0V 5.0V
16 7
VDD NC
17 6
+
NC NC
8.0V 5.0V
18 5
NC 1.9V VSS
R234 47 2W 5.0V
IC40 5.0V 0V 19 4
5.0V
OFST CKO
0.7V (2/2)
IC39(2/2) 2.5V 20 3
8 8 LRCI CKSL
3 3 5.0V
+ + 0.6V 2.5V 21 2
1 5.0V 1
2 2 BCKI 5.0V CKI
– – R231 3.4V 22 1
0.7V DIN WSL1
470 Q2
5.0V +5V C207
+
0V R230 IC40 AVR 1000P 1.8V R228
470
(1/2) 47
+ DIGITAL FILTER
0.6V
Q1 C206 6
(FL,FR) MCK
1000P 7 – Q3
5 -5.0V 6 -0.7V R232
– 470
0.9V + 7
5.0V 5
+5V
-8.0V 4 +
5.0V C208
AVR -5V 4 IC39 1000P
-5.0V
AVR (1/2)
8.0V
R233 39 2W -5.0V
R235 47 2W
-8.0V
-8.0V
R242 39 2W R241 47 2W C175
100u10
R240 47 2W
R244 39 2W +
R238 C176
47 100P
9 4 2 2 9 6 5 1 3
DIGITAL DIGITAL
(C) (SW)
C229
22P 1.8V IC28
+
12 11
4.9V
BCKO RST
IC38 3.6V 13 10
DOR FSEL2
(5/6) 0V
14 9
VCO(384fs) DOL FSEL1
5.0V
3.7V 15 8
IC32 IC33
IC38 WCKO WSL2
PLL 5.0V 5.0V
16 7
(6/6) 9 8 8 7 VDD NC
VSS XO NC DGND + 17 6
10 7 5.0V 9 6 NC NC
CKO XI PINH PFD O 5.0V
1.8V 18 5 1.8V
11 6 10 5 NC VSS
M1 VSSA VINH FINB 0V 19 4
12 5 11 4 OFST CKO
M2 1.8V AMPO R221 VGND FINA
2.5V 20 3
13 4 24K 12 3 LRCI CKSL
2.1V 1.8V 5.0V
S1 AMPI VCOI VCOO 2.5V 21 2
5.0V
14 3 5.0V 3.9V 13 2 5.0V BCKI 5.0V CKI
S2 VDDA RBAIS SEL 1.9V
5.0V 22 1 1.9V
15 2 5.0V 14 1 5.0V DIN WSL1
2.1V
LOCK PD VVDD DVDD
3.7V +
16 1 0V
VDD REF
5.0V
R226
DIGITAL FILTER
47
(C,SW)
6
17.0V
R85 17.0V 80Hz HPF
6.2K
C45 R49
0.012 820
0V
0V
C91 C93 0V C195
8 8
0V 6 R53 C55 0.22 0.22 3 C97 100u10
R47 – 7 470 10u50 + 1 4.7u50
+
1.5K 5 2 7
+ +
+ + – C196
0V
1000P
IC5 IC15
0V
(2/2) (1/2)
17.0V
x 0V a o
IC15
(2/2)
5 8 R54 C56 6 C98
+ 7 470 10u50 C92 C94 – 7 4.7u50
R48 0V 6 0.22 0.22 5 3
1.5K – 0V . + + + i
0V 4
0V 0V
IC6(2/2) R86
6.2K
+
C46 R50
0.012 820 -17.0V
BT BU BV BW
1 5 0
FRONT Lch
L101
L103 R1 4.3K
DIGITAL C3 -17.0V
IC21 L102 1600P
(FL)
C245
0V 0V
1 20 4.7u50 4
2 R3
46 30 DATA VSS – 910
-5.0V + 1
FIL2 ADZERO 1.8V 2 19 + 3
BCK DC
47 29 REF -2.5V +
FIL1 SIMCK 3 18 C247
0V
48 28 NC NC 22u50 21KHz
IC1
FIL0 SIMRS2 C241 4.7u50 4 17 + LPF
VDD SERVO (1/2)
49 27 +
VSS SIMRST 5 -1.9V 16 C249
50 26 GND A.COM 100u10
IC2
DGI EXCON C243 4.7u50 6 15
VSS A.COM
51 25 + (1/2)
VSS 3.3V FORM 7 14 0V
3.7V
52 IC30 24 L.E I OUT 3 R4
0V
DRI MCKN C255 0.1 8 13 0V + 1 910
NC NC C251
53 23 2
VDD 3.3V DIGITAL FILTER VDD C256 0.1 9 12 47u25 –
4
54 22 NC BPO DC 0V
(D.R.I.V.E) +
DLI MSBN C257 0.1 10 11 + C4
NC VDD 1600P
55 21
VSS 3.7V INRST C258 0.1 C253
-17.0V
56 20 4.7u50
R2
WCKI CLTH DAC (FL) L106
4.3K
57 19
VSS 1.8V 4.9V RST2
58 18
BCKI RESET
59 17 L105
VSS 1.9V REL1
DAC (FR)
60 16
1.7V 3.7V
MCKI RELO DIGITAL
IC22
(FR)
C246
1 20 4.7u50
DATA VSS
-5.0V +
1.8V 2 19 +
BCK DC
REF -2.5V
3 18 C248
NC NC 22u50
C182 47P C242 4.7u50 4 17 +
VDD SERVO
+ FRONT Rch
C177 22P R205 47 5 -1.8V 16 C250
GND A.COM 100u10
C178 22P R206 47 C244 4.7u50 6 15
VSS A.COM
+
C179 22P R207 47 7 14
3.7V
L.E I OUT
0V
C180 22P R208 47 8 13
NC NC C252
9 12 47u25
NC BPO DC
+
10 11 +
NC VDD
C254
L104
4.7u50
Q Q
3 7
L107 CENTER
L109 R21
DIGITAL 4.3K
IC23 L108
(C)
C23
C265 1600P -17.0V
1 20 4.7u50
46 30 DATA VSS
-5.0V + 0V 0V
FIL2 ADZERO 1.8V 2 19 + 2 4 R23
47 29 BCK DC
REF -2.5V – 1 910
FIL1 SIMCK 3 18 C267
3
48 28 NC NC 22u50 +
FIL0 SIMRS2 C261 4.7u50 4 17 +
49 VDD SERVO 0V IC3
27 +
VSS SIMRST 5 -1.9V 16 C269 (1/2)
50 26 GND A.COM 100u10
DGI EXCON C263 4.7u50 6 15
VSS A.COM
51 25 +
VSS 3.6V FORM 7 14
3.7V
52 IC31 24 L.E I OUT IC4
0V
DRI MCKN C275 0.1 8 13 (1/2)
NC NC C271 0V
53 23
VDD 0V DIGITAL FILTER VDD C276 0.1 9 12 47u25 3 R24
54 22 NC BPO DC 0V + 1 3.9K
2.6V +
DLI (D.R.I.V.E) MSBN C277 0.1 10 11 + 2
NC VDD –
55 21 0V
VSS 3.7V INRST C278 0.1 C273 4
56 20 4.7u50 C24
WCKI CLTH DAC (C) L112 0.036
-17.0V
57 19
VSS 1.8V 4.9V RST2
R22
58 18
4.3K
BCKI RESET
59 17 L111
VSS 1.9V REL1
DAC (SW)
60 16
1.7V 3.7V
MCKI RELO DIGITAL
IC24
(SW)
C266
1 20 4.7u50
DATA VSS SUB WOOFER
-5.0V +
1.8V 2 19 +
BCK DC
REF -2.5V
3 18 C268
NC NC 22u50
C202 47P
C262 4.7u50 4 17 +
VDD SERVO
+
C197 22P R213 47 5 -2.0V 16 C270
GND A.COM 100u10
C198 22P R214 47 C264 4.7u50 6 15
VSS A.COM
+
C199 22P R215 47 7 14
3.7V
L.E I OUT
0V
C200 22P R216 47 8 13
NC NC C272
9 12 47u25
NC BPO DC
2.6V +
10 11 +
NC VDD
5.0V
C274
4.7u50
u 1 6 3
y
L110
BX BY BZ CA
8 9 2 4
R65 17.0V
6.2K
C5 R9 17.0V + +
IC7
0.012 820
(1/2)
0V C61 C63 0V +
0V 0V
6 8 R13 C15 0.22 0.22 3 8 C67
R7 0V – 7 470 22u50 + 1 4.7u50
1.5K
5 2
+ + – +
0V
IC1
(2/2)
80Hz HPF
IC2 0V IC7
(2/2) (2/2)
5 R14 C16 6 C68 +
+ 470 22u50 C62 C64 – 4.7u50
7 7
R8 0V 6 0.22 0.22 5
+ +
1.5K – 0V + 0V
0V 8 4
0V
17.0V R66
6.2K
C6 17.0V
R10
0.012
820
0V
C69
47u25 R103 12K
+
R105 20K
R107 12K
-17.0V
R109 20K
C163
5600P
C164
5600P
R145 47K R110 20K
IC17 R108 12K
FILTER C126
(BOTTOM + 47u25 R106 20K
SW(FL,FR,C)
VIEW)
+
+ R104 12K
C70
17.0V
47u25
6 3 1 5 1 5 0 8
C127
4.7u50
+
17.0V
80Hz LPF
R133
21KHz LPF
IC12
R132 47K 0V
2 8 R144 (1/2)
47K 0V
C25 R29 – 1 4.7K 3
0.012 820 17.0V 3 + 1 0V
+ 0V 2
–
0V 0V
8 R33 0V
6 IC11 8
R27 0V – 7 470 0V
1.5K 5 (1/2)
+
IC3 17.0V
(2/2)
IC11
0V
(2/2)
6 C133 R137 C154 C153
– 4.7u50 100K 22u50 22u50
7
0V 5
+ + +
+ 0V
IC4 C131 R134 4
0.22
(2/2) 6.2K 80Hz HPF
5 R34
-17.0V
+ 7 470
R28 0V
6
3.9K – 0V
0V 8
17.0V C145 0.56 -17.0V C147 0.56
IC13
C150
(1/2) 17.0V
17.0V 3 8 R149 R150 0V 0V 10u50
4
C26 + 1 5.1K 5.1K 5 R152 R153 0V 0V
0V + 5.1K 5.1K 8 C149
0.051 2 7 3
– 6 + 1 22u50 R142
0V 0V 0V
15dB – 2 100K
IC13 +
R148 47K BUFF –
(2/2)
IC14
0V
(1/2)
800Hz LPF
C143 3300P 80Hz LPF
R151
FILTER 100K
SW(SW,SL,SR)
17.0V
m
IC18
c o
-17.0V
0V
.
CB CC CD CE
9 8 2 9 9
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list).
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.
C113
22P C115 100P
R113 12K
R119 2.2K
17.0V
0V
0V
4
6 R115 8 CN1
– 2.2K C71
7 2
5 – 1 47u25
0V 1 +17V
+ 3
0V +
-17.0V + 2 -17V
IC8 0V
IC8(2/2)
0V
(1/2) 3 MUTE
ADDER
4 RT
ADDER
5 GND SC401737FU MM1134BFFE
X09-1/2-
-17.0V
IC9 6 LT
BUFF 0V CN2
0V IC9 (2/2)
(1/2) 5 7 GND
3 R116 + 7 + 5/8
0V + 1 2.2K 6 8 Rch
2 – C72
0V
– 0V 47u25 9 GND
8
4
10 Lch K
R114 17.0V
11 GND
R120 2.2K
12K
C114 12 SRch
C116 100P
22P
13 GND
9 2 4 9 14 8 SLch 2 9 9
0V
0V
5 C129 15 GND TC74HC157AF PD4606A
+ 7 47u25
6 16 Cch
0V +
–
IC12 17 GND
4
(2/2) 18 S.Wch
-17.0V 19 GND
BUFF
+ + TK11250AU SED1330FBA
+
+
-17.0V
R162 0V
0V
24K 5 4 C152
+ 7 47u25
+
0V 6
– +
IC14 TC55329AJ-25 DCC5555A/22
(2/2) TC55329AJ-35
BUFF
17.0V
0V +
C99 0V
4.7u50 3 8 C103 27C40961AAA
+ 1 47u25
+
2
– +
IC16
0V
(1/2)
BUFF
0V
6 C104
C100 – 7 47u25
4.7u50 5
0V +
+
+ 0V +
4 IC16
-17.0V (2/2)
KC-Z1/RC-Z1
KC-Z1(M) (4/8)
Y05-3140-10
CF
indicates safety critical