Kenwood DV-203 Service Manual page 31

K L
Q Q
E 3 7 6 3 1 5 1 5 0
CN8
1 2 3 4 5 6 7 8
+12V
12V
11.3V
+12V
C543
39P
R527
IC21
390K
IC21 (1/2)
IC21
VOICEEDIT
R526 8
(2/2) 2
D403
22K R532
6 1
D402
7 3
2.2K
5
4
+
-11.2V
12V
R411 220
C403 R541 IC17
100P 47
ECHO C407 3900P
IC18
R405 15K MIX
IC18 59KHz
LPF
2 R407 R409 (1/2)
1 220 220 2 R413
3 1 47
3
8
8 C411
IC17
11.3V 0.01
(1/2)
11.3V
+12V +12V
C410
100P
12V 12V
-11.2V -11.2V
5 4 R412
4 R406 R408 47
5 7
220 220
7 6
6
IC18
IC17
(2/2)
(2/2)
R404 15K
C406 3900P
C402 R540
100P 47 R410 220
T E
L 1 3 9 4 2 2 9 6 5 1 3
R508 3.0K
R509 3.0K
C424 22P C497 R525
330P 47
R513 3.0K
R523 3.0K
IC15
IC16
(1/2)
R515
2 (1/2)
3.0K
1 2
3 1
3
8
8
C501 0.01
11.3V
11.3V
+12V
-11.2V
12V
C502 100P
-11.2V
5 4
5 4 7
7 R520 6
6
IC16
3.0K
(2/2)
IC15
(2/2)
R522 3.0K
C425 22P
C498 R524
330P 47
R512 3.0K
R510 2.2K
IC15,16
R511 2.2K MIX
w w w
E2
+5V
.
M N
A
CN10
1 2 3 4 5 6 7 8
+12V +12V
12V 12V
+5V
G
Q431
11.2V
Q500,502
IC8,9 CONT. Q430
-11.2V
0V
0.6V
Q500 R430
J
47
0V
IC37
2 (1/2)
1
3
8
+12V
12V
4
5
7
6
IC37
R431
(2/2)
47
W17
W3
IC19,20
BUFFER
R421 47
IC19
IC9
(2/2)
6
7
5
8
11.3V
+12V
-11.2V
12V 12V
-11.2V
W2 4
3
1
2
IC19
(1/2)
R417 47
+12V
W16
SOUND SEL.
W14
R420 47
IC8
IC20
(2/2)
6
7
5
8
+12V
11.3V
-11.2V
12V 12V
-11.2V
W13 3 4
1
2
12V IC20
(1/2)
R416 47
x a o u 1 6 3
y
i
O P
8
D
IC1 : TL431CLP
IC2 : M51494L
IC3-5 : PCM1716E
IC6,7 : TC9212AP
WH4
IC8,9,31 : TC9214AF
5 4 3 2 1
IC10 : BA17805T or
UPC7805AHF
IC11-20 : NJM4580ED
IC21,37 : NJM4565M
IC22 : S-80740AL-A4
IC23 : NJU3715G
IC24 : TA8409S
IC25 : HD6433396A65F
IC26 : LC89170M
IC27,30,32 : TC7SHU04FU
11.2V IC28 : TC74HC14AF
IC29 : N34526SOA-55
MIC IC33 : TC74VHC08FT
ATT
IC34 : PST9128NR
CONT.
IC35 : ICP-20
STB
E1
R451 3.9K
1
3 C453 220P
R626 R447 R449
240 3.6K 3.9K R453
2
SL
1
R628 3
Q427
1K IC13
8
(1/2)
-0.1V 11.3V
+12V
MUTE
C457 100P
-0.1V
IC13
R627 -11.2V
1K (2/2)
4 R452
5
R600 R446 R448 47
7
Q426
240 3.6K 3.9K 6
SR
MIX
C452 220P
Lch
R450 3.9K
MD
R534 100
MC
IC11,13
59kHz LPF
R483 3.9K
C473 220P
Q Q
R630 3 R479 7 R481 6 3 1
240 3.6K 3.9K 2 R485
FL
C 1 47
3
R632
1K
-0.1V 11.3V
8
IC11
(1/2) C477 100P
Q429
MUTE
+12V +12V
12V
C476 0.01
IC11
R633
(2/2)
-11.2V
1K -0.1V
5 4
R631 R478 R480 7 R484
Q428
240 3.6K 3.9K
6
SW 47
C472 220P
MIX
Rch
R482 3.9K
+5V
4.8V
4.8V
4.8V
14
5
6
4 IC33
D406
7
(2/4)
4.8V
FR 75
R590
4.7K
+3.3V
3.2V 5.1V
IC34
RESET
IC
+3.3V
+5V
.
Q R
2 4
9 9 8
Q1,6,11,24,232 : 2SD2012 D1,3,201,202
Q2,7,12,22 : 2SC1845(F,E) D2,4,424
Q3,4,8,9,13,14,18,19,202,203,207,208,210,212,213, D7
218,221,223,226,228,418-421 : 2SC4081(R,S) D9,203,205,401,404
Q5,10,15,30,102,206,211,217,222,227, D10,11
236,237,239,240,435 : 2SA1576A(R,S) D100-103,200,402,403
Q16 : 2SC4596(F,E)
Q17 : 2SC2458(Y,GR) or D204,206,405,406
2SC3311A(Q,R) D207-212
Q20,23,26 : 2SK246(Y,GR)
Q21,233 : 2SB1375
Q25 : 2SA922(F,E)
Q27,31,100,101,229-231,234,235,430,431,434,
436-440,500 : DTC124EUA
Q28,29 : DTA114TUA
+B
Q200,201,204,205,209,219,220,224,225,229
-B
: 2SC2714(O,Y)
Q402-417,422-429,432,433 : 2SC4213(B)
Q600 : 2SA1161(M5,M6)
Q601 : 2SC4177(L5,L6)
R636 100 -0.7V
C463 100P
E.VOL(SL,SR)
IC6 -0.2V
C461 R457
Q419
-11.2V 10u16 5.1K
1 24
VSS VDD +12V
+
2 23
11.3V
NC NC R637
3 22 -0.2V 100
C459 OUT OUT
47 10u16
4 21
IN IN +12V
+
5 20
LD1 LD1
6 19
LD2 LD2
7 18 12V
GND GND
8 17
NC NC
9 16
CS1 CS2 +12V
12V
Q418
10 15
C460 R456
NC NC
10u16 5.1K
11 14
GND STB +
5.0V 4.8V 11.3V -0.2V
12 13
CX DATA
C462 100P
+12V
C458
12V
10u16
IC12,14
+ 59kHz LPF
R639 100 -0.7V
C483 100P
-11.2V
E.VOL(C,SW) -0.2V
IC7
Q421
C481 R489
1 24 10u16 5.1K
VSS VDD +12V
+
2 23
11.3V
NC NC R638
5 1 5 0 -0.2V 100 8 9 2 4
3 22
C479 OUT OUT
10u16 4 21
IN IN +12V
+
5 20
LD1 LD1
6 19
LD2 LD2
7 18
12V
GND GND
C487
8 17
100P
NC NC
12V 9 16
CS1 CS2
Q420
10 15 C480 R488
NC NC
10u16 5.1K
11 14
GND STB +
11.3V
5.0V 12 13 4.8V -0.2V
CX DATA
C482 100P
+12V
C478
12V
10u16
+
+5V
-11.1V
4.8V IC33
D404
(1/4)
4.3V Q437
Q439
1
3 4.8V 4.8V
-11.2V
IC33
2
0V (4/4)
Q440
13
4.8V 9 11 4.8V 4.7V
8
0V
Q436 12
10
D405
IC33 4.8V
(3/4)
4.8V
MIC MUTE
IC33
-11.2V
MUTE
CONT.
W1
m
c o
S T
2
9 9
: UDZ6.2B
: UDZ5.6B
: UDZ3.3B
: DAN202U
: DA204U
: MA111
: DAP202U
: U1BC44
SIGNAL LINE
GND LINE
+B LINE
-B LINE
R459 18K
R461 47
IC14
(1/2)
2
1
3 C421 R425
220u25 180
MIX
8
Lch +
R575
11.3V
1K
-11.2V
C533
-11.2V
100P
5 4
R576
7
1K
6
IC14 -11.0V
(2/2)
C420 R424
220u25 180
R460 47 MIX
Rch
+
R458 18K
C427 R437
220u10 180
FL
+
R579
R491 18K
1K
K
R493 47
-11.2V
IC12
(1/2)
2
1
3
R580
1K
9 8 8 2 9 9
-11.2V
C426 R436
11.3V
220u10 180
FR
+
-11.2V
4
5
7
6
IC12
(2/2)
R492 47
C467 R465
R490 18K 220u10 180
+
R473 Q411
1K
-11.2V
R472 Q410
1K
-11.2V
C466 R464
220u10 180
Q438
+
C489 R497
L
220u10 180
12V
+ Q415
Q437,438 R499
1K
MUTE
CONT. -11.2V
R498 Q414
1K
-11.2V
C488 R496
220u10 180
+
+B
+12V
12V
+3.3V
+5V