Kenwood K-323, Service Manual

Page: 23 / 34

23
K-323
FRONT, KEY (1/1)
CN402
CN401
CN501
FL401
3/5
CP209
MAIN-
Q401 Q402
LD401
CP207
MAIN-
3/5
3/5
MAIN-
CP208
POWER
SW501
SW502
USB
PLAY/PAUSE
SELECTOR
INPUT
SW503
SW504
STOP
DOWN
VOLUME
SW508
VOLUME
UP
SW507
CD EJECT
SW505
SW506
PLAY/PAUSE
CD
B LINE
B LINE
GND LINE
IC401 : PT6302LQ-003
RMC401 : W02-4713-08
LD401 B30-2734-08 :
Q401,402 KTC3875Y-1 :
FL401 HNA-12SN11T :
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
2
3
4
5 6
7
8 9
10
11
12 13 14 15 16
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VEE
GR16 GR15
GR14
GR13 GR12
GR11
GR10
GR9 GR8 GR7 GR6 GR5 GR4 GR3 GR2
GR1
SG35
SG34
SG33
SG32
SG31
SG30
SG29
SG28
SG27
SG26
SG25
SG24
SG23
SG22
SG21
SG5 SG6 SG7 SG8 SG9 SG10 SG11 SG12 SG13 SG14 SG15 SG16 SG17 SG18 SG19 SG20
VSS
OSCI
OSCO
RSTB
CSB
CLKB
DIN
VDD
P1
P2
AD2
AD1
SG1
SG2
SG3
SG4
5
4
3
2
1
+4V(VFD+)
VFD-
-27V(VKK)
3.3V)
VD GND
1
2
3
4
5
6
7
FLCE
T/FL CLK
T/FL DATA
FLRST
REMOCON
3.3V)
GND
4
3
2
1
3.3V)
ADKEY1
ADKEY2
GND
52
51
50 49 48 47 46 45 44 43 42
41
40 39 38 37 36 35 34 33 32
31
30 29 28 27 26 25 24 23 22
21
20 19 18 17 16 15 14 13 12
11
10
9 8 7 6 5 4 3 2
1
NP P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31 P32 P33 P34 P35 P36 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G NP VFL- VFL-
54 53
VFL+ VFL+
R413 100
AD1
SG1
R415 100
SG2
R416 100
SG3
R417 100
SG4
R418 100
SG5
R419 100
SG6
R420 100
SG7
R421 100
SG8
R422 100
SG9
R423 100
SG10
R424 100
SG11
R425 100
SG12
R426 100
SG13
R427 100
SG14
R428 100
SG15
R429 100
SG16
R430 100
SG17
R431 100
SG18
R432 100
SG19
R433 100
SG20
R434 100
SG21
R435 100
SG22
R436 100
SG23
R437 100
SG24
R438 100
SG25
R439 100
SG26
R440 100
SG27
R441 100
SG28
R442 100
SG29
R443 100
SG30
R444 100
SG31
R445 100
SG32
R446 100
SG33
R447 100
SG34
R448 100
SG35
R449 100
GR1
R450 100
GR2
R451 100
GR3
R452 100
GR4
R453 100
GR5
R454 100
GR6
R455 100
GR7
R456 100
GR8
R457 100
GR9
R458 100
GR10
R459 100
GR11
R460 100
GR12
R461 100
C415
0.1
0.1
C404 10u16 C403
+
R403
3.3K
270
R404
270
R410 3.3K R411
GND VOUT
2
1
VCC
3
R414
10K
0.1
100u10
C409 C413
+
1000P
C410
SG21
SG22
SG23
SG24
SG25
SG26
SG27
SG28
SG29
SG30
SG31
SG32
SG33
SG34
SG35
GR1
SG5 SG6 SG7 SG8 SG9 SG10
SG11
SG12 SG13 SG14 SG15 SG16 SG17 SG18 SG19 SG20
SG4
SG3
SG2
SG1
AD1
GR2 GR3 GR4 GR5 GR6 GR7 GR8 GR9
GR10 GR11 GR12
R401
3.3K
C401
47P
R408
2.2
R407 100
R406 100
R405 100
0.1
C402
R402
1K
C411 100P C408 100P C407 100P
C412
0.1
10u16
C414
+
C406
10u50
C405
+
0.1
8.2K
R504
4.7K
R503
1K
R502
R501 6.8K
R508 8.2K
R507 4.7K
R505
R506
6.8K
1K
47u16
0.1
+
C502
C501
+B
B
+4V
+4V
27V
27V
+3.3V
+3.3V-1
+3.3V
-2
VFD- VFD-
VFD-
330
R412
IC401
RMC401
KEY
FRONT
K-323 (5/5)
1-7 2-7 3-7
(1G-11G)
4-7 5-7
1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G 12G
1-6 2-6 3-6 4-6 5-6
1-5 2-5 3-5 4-5 5-5
1-4 2-4 3-4 4-4 5-4
1-3 2-3 3-3 4-3 5-3
1-2 2-2 3-2 4-2 5-2
1-1 2-1 3-1 4-1 5-1
ANODE CONNECTION
P36 5-7
P35 4-7
P34 3-7
P33 2-7
P32 1-7
P31 5-6
P30 4-6
P29 3-6
P28 2-6
P27 1-6
P26 5-5
P25 4-5
P24 3-5
P23 2-5
P22 1-5
P21 5-4
P20 4-4
P19 3-4
P18 2-4
P17 1-4
P16 5-3
P15 4-3
P14 3-3
P13 2-3
P12 1-3
P11 5-2
P10 4-2
P9 3-2
P8 2-2
P7 1-2
P6 5-1
P5 4-1
P4 3-1
P3 2-1
P2 1-1
P1
1G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
2G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
3G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
4G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
5G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
6G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
7G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
8G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
9G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
10G
5-7
4-7
3-7
2-7
1-7
5-6
4-6
3-6
2-6
1-6
5-5
4-5
3-5
2-5
1-5
5-4
4-4
3-4
2-4
1-4
5-3
4-3
3-3
2-3
1-3
5-2
4-2
3-2
2-2
1-2
5-1
4-1
3-1
2-1
1-1
11G 12G
AT AU AV AW AX
1
2
3
4
5
6
7
AI-5
AI-4
AI-4
CAUTION:
For continued safety, replace safety critical components only with manufacturer’s recommended
parts (refer to parts list). indicates safety critical components. For continued protection against risk of fi re,
replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resis-
tance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) be-
fore 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. The
measurement value may vary depending on the measuring instruments used or on the product.