Kenwood KRF-V6200D, Руководство по обслуживанию

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31
KRF-V6200D/V7200D
AX AW AV AU AT
1
2
3
4
5
6
7
X09-7032-72 (3/3)
CAUTION: For continued safety,
replace safety critical components only
with manufacturer’s recommended
parts (refer to parts list). indicates
s a fe t y c r i t i c a l c o m p o n e n t s . Fo r
continued protection against r isk
of fire, replace only with same type
and rating fuse(s). To reduce the
r i s k o f e l e c t r i c s h o c k , l e a k a g e -
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.
T h e m e a s u r e m e n t v a l u e m a y
var y depending on the measuring
instruments used or on the product.
P1
WH3
E/5-
CN901
3/3
X14-
R
L
J5
J7
L
R
SP-A
SURR
OUND
BIAS CIRCUIT
SBL /Lch
/Lch SURR
OUND
D317
Q315
Q317
D319
Q318
D320
Q314
D316
SIGNAL LINE
B LINE
B LINE
GND LINE
CENTER
NCP18WB473J0S TH1-4 :
R
L
SURR
OUND BA
CK
J8
Q319
D321
Q316
D318
R
L
SP-B
J6
WH4 CN10
IC1 : STK433-330-E
IC2 : STK433-130-E
IC3 : KIA7812API-UP
IC4 : KIA7912API-UP
IC5 : BA05CC0T
Q1-8,101 : DTC643TU
Q201,202,204,205
: 2SK364F(GR,BL
Q203,206,303,304,306,307,
502,510 : 2SC4081(R,S)
Q207,208 : IMX8
Q209-212,215,216
: 2SA992-A(F,E)
Q213,214,221,222,309-313
: 2SC1845-A(F,E)
Q217,218 : TRAIT10N
Q219,220 : TRAIT10P
Q301,302,305,308,503,505
: 2SA1576A(R,S)
Q314-319 : DTC113ZUA
Q501,504,507 : 2SB1640-Q
Q506
: 2SD2525-Q
Q508,509 : 2SK879-F(Y,GR
D1-7,203-206,306,308,311,
312,316-321,514,602
: 1SS133
D201,202 : DA204U
D301,302,305 : UDZS3.3B
D304,309,310,314,315
: DAN202U
D307 : DAP202U
D322,511,523 : 1SS355
D501
: TS6P03G-B
D502-507,515 : S5688B(TPB5)Q
D508
: MTZJ16(B)
D509 : MTZJ15(B)
D510,601 : TS4B03G-B1
D512 : UDZS11B
D513 : UDZS6.2B
D516,517 : UDZS15B
D518,519 : UDZS7.5B
D520 : UDZS16B
D521 : UDZS30B
D522 : MTZJ3.9(B)
D524 : UDZS5.6B
D525 : UDZS5.1B
C
1/3
CN901
X08-
/Lch SBL
/Lch SURR
OUND
POWER TRANSFORMER
X14-
3/3
CN201
B/5-
KRF-V7200D
ONLY
5 6 7 8 9
10
11
12
13
14
15
CH1OUT2 CH2OUT1 CH2OUT2 PRE+ SUB GND CH1IN CH1NF STBY CH2NF CH2IN
1
2
H.P L
H.P R
PRE
DRIVER
CH2
390P
1.8K
33u35
56K
100K
C25
R35
R41
2.2u50
470P
R37
R39
100
C31
C29 C27
R13
100
R17
1.8K
R15
C3
33u35
C9
100K
R11
2.2u50
56K
C7
390P 470P
C5
33K
R113
W5
1K
R19
27P
C11
56K R21
W3
27P C33
2W
0.22
R47
2W
0.22
R49
1K
R43
56K R45
2W
0.22
R23
2W
0.22
R25
2W
390
2W
R32
K2
7
1K
R367
0.022
C18
0.022
C20
0.022
C17
0.022
C19
5
R371
1K
K4
4.7
1/4W
R110
L7
0.22
C107
C106
0.22
R111
4.7 2W
L6
4.7
1/4W
R52
0.22 C35
2W
4.7
R53
0.22 C37
L5
R54
4.7
2W
C36
0.22
0.22 C38
R51
4.7
1/4W
C40
0.022
K5
C39
0.022
0.022
C41
0.022
C42
4
R372
1K
K1
R364
1K
8
SBL/L SL
FLG
SLG
R31
390
0.1
C527 C509
0.1
IN OUT
GND
C511
100u25
B
+B
+43.9V
+11.9V
+11.9V
C604
100u25
R801
R701
0
R802
0
0
W800
R532
1
K6
L1
L2
0.022
C45
0.022
C43
0.022
C46
0.022
C44
2W 4.7
R30
0.22 C14
0.22 C16
0.22 C13
0.22
C15
2W 4.7
R29
1K
R374
1/4W
4.7
R27
1/4W
4.7
R28
6
K3
0.022 C108
0.022
C109
1K
R369
0.022
C22
0.022
C24
0.022
C21
0.022
C23
0.1
C603
1
2
VBUS +5V
GND
1
2 3
VCC GND OUT
0.1
C605
PROTECT
+12V GND 5
6
3
4
12V+B
+12V
USB GND
1
2
USB+B
YES
337,338,525,700,701,801,803
R9,10,55,56,316,332,334,
NO
NO
YES
R69,70,314,
517,702,703
1.8K
3.3K
R519,
520
4.7K
5.6K
R331
2W
2W
3
NO
TH2
YES NO
700
YES
W3-6,
YES
22,800
NO
W1,2,21,
NO
YES
TH3
+5V
COLD
HOT
AC
C 1
C 2
C1
C2
C 1
C 2
ND
AC
ND
C 1
5V
7V
7V
ND
5V
+
+
+
+
+
+
IC3
KRF-V6200D/V7200D (2/3)
IC5
(X09- ) (B/2)
12.0V
BH-6
AC-6
BC-6