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AT
BIAS CIRCUIT
C27
C29
470P
390P
R23
R25
0.22
0.22
2W
2W
R37
56K
R47
0.22
2W
R35
R49
100K
0.22
2W
W800
W3
POWER TRANSFORMER
5V
7V
ND
HOT
X14-
B/5-
7V
CN201
5V
COLD
C 1
3/3
ND
AC
BH-6
C1
C2
C 1
C 2
ND
AC
C 1
C 2
KRF-V7200D
ONLY
+B
B
R9,10,55,56,316,332,334,
R69,70,314,
R519,
R331
TH2
337,338,525,700,701,801,803
517,702,703
520
3.3K
NO
YES
4.7K
NO
2W
1.8K
YES
NO
5.6K
YES
2W
AU
PRE
DRIVER
CH2
C7
C5
390P
470P
R13
56K
R110
4.7
1/4W
R11
L7
100K
R701
0
R52
4.7
1/4W
L6
R801
0
R51
4.7
1/4W
L5
R28
4.7
1/4W
L2
L1
R27
4.7
1/4W
(X09- ) (B/2)
SIGNAL LINE
CN10
GND LINE
USB+B
1
B LINE
B LINE
USB GND
2
PROTECT
3
W1,2,21,
W3-6,
TH3
22,800
700
+12V
4
YES
NO
YES
+12V GND 5
6
12V+B
NO
YES
NO
AV
K1
R31
390
WH3
2W
Q314
1
H.P L
R364
R32
8
2
H.P R
1K
390
2W
K2
Q315
R367
7
1K
K3
Q316
R369
6
1K
K4
Q317
R371
5
1K
K5
Q318
R372
4
1K
K6
Q319
R374
1K
IC5
WH4
+5V
1
VBUS +5V
2
GND
AC-6
IC3
12.0V
IN OUT
GND
KRF-V6200D/V7200D (2/3)
AW
KRF-V6200D/V7200D
IC1
: STK433-330-E
IC2
: STK433-130-E
IC3
: KIA7812API-UP
IC4
: KIA7912API-UP
IC5
: BA05CC0T
X14-
Q1-8,101
: DTC643TU
E/5-
CN901
Q201,202,204,205
: 2SK364F(GR,BL
3/3
Q203,206,303,304,306,307,
502,510
: 2SC4081(R,S)
Q207,208
: IMX8
BC-6
Q209-212,215,216
: 2SA992-A(F,E)
J5
Q213,214,221,222,309-313
: 2SC1845-A(F,E)
L
Q217,218
: TRAIT10N
Q219,220
: TRAIT10P
Q301,302,305,308,503,505
: 2SA1576A(R,S)
R
Q314-319
: DTC113ZUA
Q501,504,507 : 2SB1640-Q
Q506
: 2SD2525-Q
Q508,509
: 2SK879-F(Y,GR
D1-7,203-206,306,308,311,
J6
312,316-321,514,602
: 1SS133
D201,202
: DA204U
L
D301,302,305 : UDZS3.3B
D304,309,310,314,315
: DAN202U
D307
: DAP202U
R
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
TH1-4
:
NCP18WB473J0S
J7
R
L
C
J8
CAUTION: For continued safety,
L
replace safety critical components only
with manufacturer's recommended
R
parts (refer to parts list).
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 risk
of fire, replace only with same type
and rating fuse(s). To reduce the
P1
r i s k o f e l e c t r i c s h o ck , 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.
X08-
The DC voltage is an actual reading
CN901
measured with a high impedance
1/3
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
vary depending on the measuring
instruments used or on the product.
X09-7032-72 (3/3)
AX
1
2
3
4
5
indicates
6
7
31
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