Kenwood VR-705-SA Service Manual page 12

AT AU
Q Q
3 7 6 3 1 5 1 5 0
R326 R340
33K 0.22
9
C316 R324 2W
10P 1K
R338
R322
0.22
75K
8
2W
C317 R341
10P 0.22
2W
10
R323 R325
75K 1K
R327 R339
33K 0.22
11
2W
R351
33K R348
21
C330 R350 0.22
10P 1K 2W
R352 R349
75K 22
0.22
2W
C431
10P R473
0.22
71
R431 R430
75K 1K 2W
R474
R437 0.22
33K 2W
72
R450 R460
58
C416 33K 0.22
10P R428 2W
1K R462
R426
Q308
59
75K
0.22
2W
09
1
T E
L 1 3 9 4 2 2 9 6 5 1 3
C417 R463
10P 0.22
311
2W
60
R427 R429
75K 1K
R461
R451 0.22
33K 2W
61
5
1
UT +5.3V
D
2
1 2 3 4 5
WH123
X14-A/2-
5/5
CN805
WH120 WH124
NO YES
YES NO
,
WH120
NO
w w w
.
AV AW
WH117
R438 390 2W
R439 390 2W
R334
4.7
1/4W R478
220
L302
+22V
24uH
1W
K401
R445
D323
18K
L301
24uH
Q410
R335
4.7
1/4W
R347
4.7
1/4W
R479
L303
220
24uH
1W
+22V
K402
VR-716A/707A
ONLY
Q411
4
L403
24uH
R475
4.7
1/4W
R466
4.7
1/4W R480
220
L402
+22V
24uH
1W
K403
5
L401
24uH
Q412
R467
4.7
1/4W
+22V
410
∗
R477 R483
100
5
R143
100K
14 12 10 8 6 4 2
CN103 15 13 11 9 7 5 3 1
X14-A/2-
5/5
CN802
x a o
y
i
AX AY
8
(X09- ) (E/9)
CN806
J801
H.P R
3 3
SIGNAL LINE
H.P L
2 2 GND LINE
NC
1 1 +B B LINE
B B LINE
HEADPHONE
J401
P102
R.ch
IC105 : BA05T
D113 : RB441Q-40
IC106 : KIA7812API D114-116,123,124,215,
GND
IC107 : KIA7912PI 303,304,308-310,313,
GND
IC206 : NJM4565D
315,323,403,404,
IC301 : STK-413-220A 406-408 : 1SS133 or
∗
IC401 :
HSS104A
L.ch
IC607 : NJM2279D D117 : S1ZB20(4101)
D118 : MTZJ16(B) or
C.ch
Q113,406 : 2SB1640
HZS16N(B2)
Q114,412 : 2SC1740(Q,R) or D119,301,302,401,402
GND
2SC278S(F,E)
: MTZJ15(B) or
Q301-306,317,318,701 HZS15N(B2)
GND
GND : 2SC2878(B) D120 : D2SBA20F03
Q307,308,316,319,405,
D121,122 : D5SBA20F03
801,802 : 2SA992(F,E) D305,306 : MTZJ11(B) or
Q309-315,401,404,
HZS11N(B2)
407-409,800 : 2SC1845(F,E)
D307,311,312,314,316
Q402 : 2SA1535A : MTZJ3.9(B) or
Q403 : 2SC3944A
HZS3.9N(B2)
Q410,411,803 : UN4219 or D319,320 :
MTJ15(B) or
DTC113ZSA
HZS15N(B2)
D602,603 : MTZJ5.6(B) or
∗
HZS5.6N(B2)
J402
RS.ch
GND
(X09- ) (G/9)
POWER TRANSFORMER
GND
E4
GND
1
WH107
A
LS.ch 2
3
∗
J403
E2
RS.ch 11
10
GND
9 (X14- ) (B/2)
GND
8
7
WH106-1
B 6
LS.ch
5
4
SW.ch
3
GND
2
Q Q
GND
1 30V 3 7 6 3
GND
CN114
X14-A/2- F OFF2 4
∗
WH804
WH112-1 -30V 3 30V
2 X14 FL2 2
5/5
X14 FL1 1
1
∗ X08-323-
WH112-2
CN603
WH110
1
K-7 1/5 X08 AC2 2
2
X08-313- X08 AC1 1
J404
CN1
SW.ch
2/5
Z-7
GND
(X09- ) (F/9)
USED
WH119-2
VR-705-SA/707A
4
W321
3
C
2
1
CN112
T1 1
T5 2
J205
W W CN105
AC N
2
W397
AC L
1
AC120V 60Hz
VR-716A/707A/705-SA (3/5)
u 1 6 3
.
17
AZ BA
VR-705-SA/707A/716A
2 4
9 9 8
CAUTION: For continued safety, replace safety critical com-
ponents only with manufacturer's recommended parts (refer
to parts list). indicates safety critical components. For
continued 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 are acceptably insulated from the
supply circuit) before the appliance is returned to the cus-
tomer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
WH103
1 T1
2 T5
1 5 1 5 0 8 9 2 4
m
c o
BB BC
2
9 9
9 8 2 9 9
18
X09-6740-11/6750-13 (2/2)