Parts List - Kenwood KRF-V7020D Service Manual

BI BJ
DISPLAY UNIT (X09-616X-XX) (B/3)
+5.6V
ED51
10G 9G
1
P2 P3
P1 P4 P15
SP. A B MUTE
TA
P5
P6 P7
R D S EON FM
P8
TI.VOL AM
P11
P9
S.DIRECT MW
P12
P10
TAPE2/MONI LW
P13
5.4V
2
-28.7V
Q501
-28.7V
-19.0V 80
KS1 P7/KS1
-22.0V 79
KS2 P6/KS2
78
-19.1V
KS3 P5/KS3
77
-30.0V
KS4 P4/KS4
-24.8V 76
KS5 P3/KS5
-27.5V 75
3
KS6 P2/KS6
-10.4V 74
KS7 P1/KS7
73
NC
4.6V 72
DSP.IC
4.6V 71
PACK.CTL
70
D500
DTS
NC
69
NC
D501
VIRTUAL SURROUND
D500
R596
68
DTS.LED
D501
R501 560
0V 67
DOL.VIR.LED
D502
R519 560
0V 66
DOL.DIG.LED
0V 65
STANDBY.LED
64
4.7V
64 POWER.RLY
D502
DOLBY DIGITAL
0V 63
4 63 R.RLY
4.6V 62
62 C.RLY
0V 61
61 FB.RLY
4.6V 60
60 FA.RLY
R505 10K 0V 59
VCR.B
R506 10K 0V 58
VCR.A
R507 4.7K 4.7V 57
DSP.CSB
R525 10K
0V 56
VOL.ST
R526 10K
0V 55
VOL.CK
R527 10K
4.7V 54
VOL.DT
R508 10K
4.7V 53
20dB ATT
R503 10K
0V 52
SEL.ST2
R510 10K 51
4.7V
AMUTE
5
R511 10K
R512 2.2K
R513 2.2K
R514 2.2K
R515 10K
X08-A/2
-CN1
2/4
D
X09-A/3
6
R528 47K
-CN8
R529 47K
3/4
E
17 16 15 14 13 12 11 10 9 8 7 6
X09-A/3
CN51
-CN11
3/4
F
F
7
BK BL
+5.6V
8G 7G 6G 5G 4G
P15 P15 P15 P15
NEWS TP PTY MEMO
P15
col
+B
-28.9V
-15.9V
-28.9V
1
G10
S1-17 G1-11
2
G11
3
NC
4 4.9V
NO USE
5 4.9V
NO USE
6 0V
AUDIO
7 0V
VOL.ENC.A
8 4.9V
REMOCON
9 4.9V
VOL.ENC.B
10
NC(OPEN)
11
NC(OPEN)
12
KR0
13
KR1
14
KR2
IC51
15
PROTECT
u-COM
(BOTTOM VIEW)
16
S DATA
17
S.BUSY
18
SP.A+B
19
SW.6dB.ATT
20 4.9V
SEL.ENC.A
21 4.9V
SEL.ENC.B
22 4.9V
MULTI.ENC.A
23 4.9V
MULTI.ENC.B
24 4.9V
SL16/XS8
25 4.6V
DSP.SCK
26
DSP.SI
27 0V
DSP.SO
28
+5V(VDD) +B
29 4.9V
NC
30 1.3V
CH.SPACE
0V
R540 10K
4.7V
R537 10K
4.8V
C531
0.01
X501 C504
8MHz 0.01
+B
B
C532 1000P R535 10K
R538 10K
R545
10K R541 10K
R602 10K
5 4 3 2 1 21 20 19 18 17 16 15 14 13 12 11 10 9 8
CN52
D
BM BN
1
KS5
3G 2G 1G
P11
STEREO
TUNED
P12
AUTO
P13
KS4
MHz
P14
P16
kHz
P15
Dp
KS3
KS2
+B
KS1
KS0
4.8V
+B
+B
+B
6
R573 220
R551 100
R568 220
C506 1000P
0.4V R552 470 R563 10K
R553 470 R564 10K
0V
R554 470 R565 10K
2.4V
C505 0.01
0V
R548 1K R544 100K
15
0V
0V
R606 10K
0V
18
R605 10K
0V
19
R571 220
R569 220
R572 220
R570 200
D508
24
R557 100K
25 D509 D511
R559 330
0V
9
26
R560 100K
27 8
D516
R561
+B
R521 330
4.9V
10K
30
+B
+5.6V
RESET IC
5.0V
5.0V
R597
D517 D529
10
IC53
C517
1u50
C508 IN OUT
100u6.3 +
GND
+
+
+B
B B
7 6 5 4 3 2 1 13 12 11 10 9 8 7 6 5 4 3 2 1
CN53
E
BO BP
(X09- ) (C/3)
WH52
R595
4 4
330
+5.6V
3 3
D522
2 2
1 1
INPUT
MODE D527
STANDBY
S506
SOURCE
MEMORY SETUP DIRECT
VR-307 (X09-6160-10)
DESTINATION
D513
S515 S514 S503
COUNTRY
U.S.A.
AUTO SOUND MONITOR
CANADA
VR-309 (X09-6160-11)
D512
S510 S502 S521
DESTINATION
COUNTRY
LISTEN BASS
U.S.A.
BAND MODE BOOST
CANADA
VR-357 (X09-6160-10)
D520
S504 S507 S509
DESTINATION
COUNTRY
P.CALL DIMMER SP.B
U.S.A.
CANADA
D521
S516 S505 S501
KRF-V7020D (X09-616X-XX) / (X09-6342-10)
DESTINATION
COUNTRY
P.CALL SP.A
PX
GENERAL MARKET
D519
S511 S512 CHINA
AUSTRALIA
SHANGHAI
KRF-V8020D (X09-616X-XX)
DESTINATION
COUNTRY
A501
PX
4.9V
ROUT GENERAL MARKET
MALAYSIA
VOLUME GND
CHINA
4.9V
CONTROL
VCC AUSTRALIA
UP
A501
DOWN
REMOTE
SENSOR
S517
(P2)
+5.6V
INPUT
SELECTOR
(P6)
f
(P8)
S518
(P10) e
MULTI
CONTROL
Q502
(P11)
IC51
S519
IC53
Q501,503
Q502
D500-502,527
D503,504,508-522
526,529-531
D525
+5.6V +5.6V
A501
C534
0.047F
ED51
5.5
+
4.8V
C535
470u6.3
R584
Q503
+ RESET
1K
+
0V
+B
B
D525
R591
10K
C521
+ +
0.01
(X00- ) (D/6)
35
1 WH51 CN12
HP. L
1 1
HP. R
2 2
GND
3 3
VR-307/309/357 (4/4)
KRF-V7020D (4/4)
KRF-V8020D (4/4)
KRF-V7020D/V8020D/VR-307/309/357
Y05-3760-10
BQ BR
I /
S520
R596, D500,503,
UNIT No. C534 C535 W193
609 504,510
ABB.
K6
0-10 NO NO YES NO NO
P6
D500, D504,
UNIT No. R596 R609 C534 C535 W193
503 510
ABB.
K8
0-11 YES NO NO YES NO YES NO
P8
R596, D500,503,
UNIT No. C534 C535 W193
ABB. 609 504,510
K7
0-10 NO NO YES NO NO
P7
D500,
UNIT No. R596 R609 C534 C535 W193 D504 D510
ABB. 503
Y7
0-21 YES
M7 YES NO
C7 3-01 NO YES NO NO NO YES
X7 0-71 NO YES YES
V7 42-10 YES NO NO
D500,
UNIT No. R596 R609 C534 C535 W193 D504 D510
ABB. 503
Y8
M8 0-22 YES
YES NO
I8 YES YES NO YES YES
C8 3-02 NO
X8 0-72 NO YES YES
CAUTION: For continued safety,
(P1)
(P3)
a
replace safety critical compo-
(P4)
nents only with manufacturer's
recommended parts (refer to
(P5)
h j b
k

parts list).

indicates safety
critical components. For contin-
g
m
(P7)
ued protection against risk of
fire, replace only with same type
(P9)
r p n c
and rating fuse(s). To reduce the
risk of electric shock, leakage-
(P13)
current or resistance measure-
d (P12)
ments shall be carried out
(P14)
(9G-2G)
(exposed parts are acceptably
insulated from the supply circuit)
: CXP82852-139Q
before the appliance is returned
: S-80740AL-A4
to the customer.
: 2SD1819A(Q,R) or
2SC4081(R,S)
: DTC113ZUA
The DC voltage is an actual
: B30-2545-05
reading measured with a high
: 1SS133 or HSS104A
impedance type voltmeter with a
: MTZJ6.2(B) or
HZS6.2N(B2)
cassette loaded at playback
mode. The measurement value
: W02-2625-05
may vary depending on the
: 11-MT-120GK
measuring instruments used or
on the product. Bias circuit DC
voltage is measured while in the
SIGNAL LINE
record mode.
GND LINE
B LINE
B LINE
J2
HEADPHONE
P2
E1