Circuit - Kenwood KR-V8090 Service Manual

AY AZ
Q Q
3 7 6 3 1 5 1 5 0
4.6V
R268
100K
4.9V
81
NC
ON:0.3V
82
OFF:4.5V
NC
83
NC
84
NC
85
NC
86
NC
87
NC
88
NC
89
VDD
X
90 IC28
NC
91
u-COM
NC
92
NC
93
NC
94
NC
95
NC
96
T E
NC
L 1 3 9 4 2 2 9 6 5 1 3
97
NC
98
NC
99
NC
100
NC
w w w
1060VR (X08-275X-XX)
DESTINATION
C301-
UNIT No. IC28 IC40 C166 C168
307
COUNTRY ABB.
U.S.A. K
0-10 CXP82840-124Q NO 6800P 3900P NO
CANADA P
.
PX Y
BA BB
( 35 )
LOUD
ON:1.4V
OFF:4.5V
50 1.4V
VIDEO A
-20dB ATT:4.5V
49 1.2V
OTHER:1.3V VIDEO B
48 1.4V
VIDEO C
47
1.1V
VIDEO D
46
5.0V
DSP RST
45
V DFP
44
VDD
43
NC
42
NC
41
VSS X3
40 2.5V 8MHz
XTAL
39 2.2V
EXTAL
38
5.0V
RST
37
AVSS
36
CE
35
PROTECT
34
S-BUSY
33
S-DATA
R271
32
SYNC
100
31
DSP HREQ
0.8V
4.332MHz
X
R405
1K
5.3V
X
IC40
X
R407
100
( 46 )
1070VR (X08-275X-XX)
x a o
DESTINATION y
R401-
R190 R192 L6 X4 UNIT No. IC28 IC40
407
COUNTRY ABB.
U.S.A. K
13K 6.8K NO NO NO 0-11 CXP82852-108Q NO
CANADA P
i
PX Y
BC BD
8
CN6
5
4
3
-14.9V
2
14.5V
1
E1
15
R324 100
14
( 29 )
R328 100
13
( 20 )
R327 100 12
( 19 )
11
10
9
8
7
R319 100 6
( 18 )
50 C12 470P
49
R318 100 5
( 17 )
48
R317 100 4
( 16 )
47
C13 470P
R316 100 3
( 15 )
R315 100 2
( 14 )
D82
R314 1
( 9 )
100
D157
CN7
R304
1K
( )
21 1
R305
1K
( 22 ) 2
R519
D76 R306
330
1K
34 D156
( )
24 3
Q Q
R236 100K
R307 1K
3 7 6 3
( )
23 4
R303 1K
R237 100K
( )
8 5
R299 1K
R520 D77
( )
6 6
33
330 R300 1K
( )
32 7 7
R301 1K
(
12 ) 8
R302 1K
( 13 ) 9
10
11
X
L6
12
( )
14 13
( )
15 14
D153
+
15
X
X4
-31.0V
P2
D39
D61-64,69,72-87,153
D70,151
+
D152,154
D156
X X X
R402 R401 R406
D157
22K 22K 1K
RDS
DEMODULATOR
1060VR,KR-V8090(K) (4/6)
u 1 6 3
C301- R401- 1070VR,KR-V9090,V9090W(K) (4/6)
C166 C168 R190 R192 L6 X4
307 407
8200P 2700P NO 5.6K 470 NO NO NO
.
BE BF
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
2 4
9 9
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.
X09-A/4
-E2
5/6
TL OUT
The DC voltage is an actual reading measured with a high impedance type voltmeter
TGND
with no signal input. The measurement value may vary depending on the measuring
TR OUT E
instruments used or on the product.
-15V
+15V
2SA1123 2SC2631
DE-OUT
2SA1534A 2SC2878
S LEVEL
2SA992 2SD863
SD
2SB764
STEREO
2SC1845
TR OUT
2SC2003
TGND
TL OUT
+15V
-15V
2SA1586 2SC4081 2SB1370
T MUTE
2SC2714 2SC4116
2SC3115
PLL DATA
PLL CLK
PLL CE
PLL DO
CH SPACE
WH1
TRAITR3N NJM4565D-D
TRAITR3P
FL STB
TRAITR4N
FL CLK
TRAITR4P
FL DIN
1 5 1 5 0 8 9 2
FL DOUT
X14-A/5
-E1
REMOCON
VOL ENC A
6/6
VOL ENC B
SEL ENC A
F NJM4580L-D
SEL ENC B
OVER LEVEL
+5V
IC15-17 : NJM4565M
IC18 : CS5331
uCOM GND
IC19,20 : CS4331
F 1
IC21,22 : TC74HCU04AF
F 2 IC24,25 : TA7805S or
UPC7805AHF
-30V
IC26 : DSP56004FJ66
IC27 : S-806D-Z
IC28 : X UPC7805AHF
IC29 : W24257AK-15
UPC7808AHF
IC40 : SAA6579
Q11,16 : 2SD2458(Y,GR) or
2SC3311A(Q,R)
: RD4.7ES(B) or HZS4.7N(B)
: 1SS133 or HSS104
: S5688B
: DA204U or 1SS302 or
MA143A TC74HCU04AF
: DAN202U or 1SS301 or
MA142WK
: DAP202U or 1SS300 or
MA142WA
SIGNAL LINE
GND LINE
m
+B LINE
DAN202U
-B LINE
c o
X09-A/4
-CN1
5/6
1060VR/1070VR/KR-V8090/KR-V9090
G
Y05-3330-10
BG BH
indicates safety critical
2
8 9 9
2SA1110 DTC124ESA
UN4112
2SA1048
2SC2458
UN4212 2SD1757K
UN4219
2SA1309A
2SC3311A
TC9184AP
TC9413P
4 9 8 2 9 9
CS4331 UPD16311
CS5331
NJM4565M
MA142WA 1SS301
DAP202U
MA142WK
DA204U
UN5212
LA1836 TC9412AP
SAA6579
SN761200N