Kenwood VR-208 Service Manual page 21

BI BJ
www.freeservicemanuals.info
DISPLAY UNIT
(X09-XXXX-XX) (B/3)
+5.6V
ED51
11G
1
P2 P3
P1 P4
SP A B TI.VOL
P8
MUTE
S1 S2 S3
P5 P6 P7
P9 P10 P11 P12
RDS EON PTY P4
LS
P12 P13 P14
TP TA NEWS
P15
5.4V
G1 DRIVER
-28.7V
Q501
2
-28.7V
(P1)
(P2)
a
(P3)
(P4)
j
(P6) f b (P5)
h k
(P7) g m (P8)
r n
p
(P10) e c (P9)
(P12)
(P11)
d
(P13)
(P14)
(9G-2G)
R517 10K
3
R505 10K
R506 10K
4
R507 10K
R502 10K
R503 10K
R504 10K
R508 10K
R510 10K
R511 10K
R512 2.2K
R513 2.2K
R514 2.2K
R515 10K
5
X08-
CN1
2/4
D
X09-A/3
-CN8
W505
3/4
Q505
E
Q504
X09-A/3
-CN11
3/4
6
19 18 17 16 15 14 13 12 11 10
F
CAUTION: For continued safety, replace safety critical components only with manufacturer's
recommended parts (refer to parts list).
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
7
are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
BK
10G 9G 8G 7G 6G 5G
P9 P10 P11
P1 P2 P3
L C R
P7 P8
LFE SW
P13 P14
P5 P6
S RS
-18.7V 80
(
80 ) P7/KS1
-22.0V 79
( 79 ) P6/KS2 S1-17
-18.7V 78
( 78
) P5/KS3
-30.7V 77
( 77 ) P4/KS4
-24.5V 76
( 76 ) P3/KS5
75
-27.5V
( 75 ) P2/KS6
-10.0V 74
( 74 ) P1/KS7
73
EMPHASIS
4.5V 72
IC
4.5V 71
PACK CTL
D501 70
CLIP INDICATOR 69
68
R501 560
0V 67
CLIP IND.
IC51
D501
R519 560 0V 66
D.DIG LED u-COM
D502
0V 65
(BOTTOM VIEW)
STANDBY
4.5V 64
D502
( 64 ) POWER
DOLBY DIGITAL 0V 63
( 63 ) RELAY R
4.4V 62
( 62 ) RELAY C
0V 61
RELAY FB
( 61 )
4.4V 60
RELAY FA
(
60 )
72 ( 59 )
0V 59
VIDEO B
( 58 )
0V 58
VIDEO A
( 57 )
0V 57
V MUTE
0V 56
VOL STB
0V 55
VOL CLK
0V 54
VOL DT
4.5V 53
10dB ATT
52
4.6V
4.5V 51
AMUTE
X501
8MHz
+5V
-30V
+5.6V
R535 10K
R528
R538 10K
47K
R541 10K
R529 R545
47K 10K
R602
10K
9 8 7 6 5 4 3 2 1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3
CN11
F D
indicates safety critical components. For continued
BL BM
+5.6V
4G 3G 2G 1G
P1 P9 P14
FM AUTO SOUND DIGITAL
P2 P10 P15
P15
AM PRO LOGIC S.DIRECT
Col
P16
P3 P11 P12
MHz 3 STEREO MONITOR
P16
P4 P13 P17
kHz DOWNMIX DSP
Dp
+5V
-28.8V -28.8V
1
G10
2
G1-11 G11
3 4.6V
+5V
NC
4 4.6V W501
5 4.6V W502
6 0V
AUDIO
7 4.8V
VOL.ENC.A
8 R551
4.6V
REM IN
100
9 4.6V
VOL.ENC.B
10
11
12 0.4V R552 470
KR0
R553 470
13 0.4V
KR1
14 0.4V R554 470
KR2
15
2.3V
PROTECTION
16 0V
S DATA
17 0V
S BUSY
18 4.8V
E2 DATA
19 4.6V
E2 CLK
20 4.8V
SEL.ENC.A
21 4.8V
SEL.ENC.B
22
4.8V
MULTI.ENC.A
23 4.8V
MULTI.ENC.B
24 4.8V
8/16
25 0V
SCK
26 4.3V
R557 100K
AC-3 SI
27 4.8V D509
R559 330
SO
( 6 )
28
AV REF +5.6V R560 100K
4.8V
( 5 )
29 R521
D516
R561
S LEVEL
10K
30
330
SEL STB2
0V
+5.6V
R540
10K
+5V
R537
10K
R597
10 D529
C531
0.01
C504
+
0.01
+5V
-30V
+5.6V
2 1 13 12 11 10 9 8 7
CN52
E
The DC voltage is an actual reading measured with a high
impedance type voltmeter with a cassette loaded at playback
mode. The measurement value may vary depending on the
measuring instruments used or on the product. Bias circuit DC
voltage is measured while in the record mode.
Published in Heiloo, Holland.
BN BO
P5
AUTO
P6
MEMO.
P7
ST.
P8
TUNED
R573 220
S517
VOLUME CONTROL
R568 220
R563 10K
R564 10K
R565 10K
S517
C505 0.01
R544 100K
R555 10K
R556
R571 220 10K
R569 220
R572 220
S518
R570 220
(BOTTOM VIEW)
IC52
D508
4.8V 8 1
VCC A0 E2PROM
D511
7 2
CPE A1
4.6V 6 3
SCL A2
5 4 C506
4.8V
SDA VSS
S519
1000P
+5.6V +5.6V +5.6V
RESET IC C534
+
4.8V
0V 4.6V
C535
4.8V
IC53 470u6.3
C517 R584
1u50 + 1K
IN OUT +
+
GND
+
Q503
RESET
+ +
D525
C521
0.01
6 5 4 3 2 1
CN53
VR-208/209(K) (4/4)
KRF-V5551D/V7510D/V8010D(M) (4/4)
KRF-V7510D/V8010D/VR-208/209
Y05-3600-10
BP BQ BR
12/6/15
(X09- ) (C/3)
WH52
R595
4 4
330
+5.6V S520
3 3
2 2
1 1 POWER
D527
IC51 : CXP82832-141Q
IC52 : X24C02S
IC53 : S-80740AL-A4
Q501,503-505 : 2SC4116(Y,GR) or
2SC4177(L5,L6)
D24,25 : MTZJ18(B) or
RD18ES(B2)
D501,502,527 : B30-2513-05
D503-505,508-522,526,529-531
: 1SS133 or HSS104A
D525 : MTZJ6.2(B) or
RD6.2JS(B2)
A501 : W02-2625-05
ED51 : 11-MT-116GK
VR-209 (X09-4890-10)
DESTINATION
D504,
UNIT No. C534 C535 IC52 W505 Q505 R603
505,510
COUNTRY ABB.
U.S.A. K
0-10 NO NO YES NO YES NO NO
A501 CANADA P
KRF-V8010D (X09-4890-21)
4.8V 1
ROUT
DESTINATION UNIT No. D504,
D505 C534 C535 IC52 W505 Q505 R603
COUNTRY ABB. 510
2
GND
PX Y
4.8V 3 0-21 YES NO YES NO YES YES NO NO
GENERAL MARKET M
VCC
A501 KRF-V5551D (X09-4890-01)
REMOTE DESTINATION
UNIT No. D504,
C534 C535 IC52 W505 Q505 R603
SENSOR COUNTRY ABB. 505,510
JAPAN J 0-01 YES YES NO NO YES NO NO
VR-208 (X09-4890-11)
DESTINATION
UNIT No. D504,
C534 C535 IC52 W505 Q505 R603
COUNTRY ABB. 505,510
U.S.A. K
0-11 NO NO YES NO NO YES YES
P
CANADA
KRF-V7510D (X09-4892-91)
DESTINATION
D504, C534,
S518 UNIT No. D505 IC52 W505 Q505 R603
510 535
COUNTRY ABB.
INPUT
Y 2-91 YES NO YES YES NO YES YES
PX
SELECTOR
KRF-V8010D (X09-6062-10)
DESTINATION
D504,
UNIT No. D505 C534 C535 IC52 W505 Q505 R603
510
COUNTRY ABB.
V 2-10 YES NO YES NO NO YES NO NO
SHANGHAI
MULTI
CONTROL
S519
+5.6V
(X00- ) (D/6)
WH51 CN12
1 HP. L J2
1 HEADPHONE
2 HP. R
2
3 GND
3
P2