Schematic Diagram - Kenwood NX-320 Series Service Manual

A
NX-320
1
LC D
*
DISPLAY UNIT (X54-3760-XX) (A/3)
2
SB2
D 1
TX/BUSY LED
GRN
R:6.04V
T:0.09V
3
TX/BUSY
LED
S
4
S5
*
1
S6
*
4
S7
*
7
S8
5 *
S9
*
CP3
X54-3760-XX CP2
-10 K3,K6,E RK74HB1J102J RK74HB1J471J
6
K2,K5,E2 RK74HB1J102J RK74HB1J471J
-11
-12
K,K4,E3 NO
D7 D8
X54-3760-XX
-10 K3,K6,E B30-2337-05 B30-2337-05
-11 K2,K5,E2 NO NO
-12
K,K4,E3 NO NO
X54-3760-XX S5 S6
-10
K3,K6,E S70-0519-05 S70-0519-05
-11 K2,K5,E2 S70-0519-05 NO
-12
K,K4,E3 NO NO
7
88
X54-376 (A/3) 1/2
B

SCHEMATIC DIAGRAM

C P 4
RED * 1kx4
S27
S28
S29
S30
R:0.12V
T:5.72V
C P 5
* 1kx4
S31
S32
S33
R7
CP2
* 1kx4
COM4
4 . 7 k
COM3
COM2
COM1
D1 5 CP 3
* 470x4
*
D 1 5 , 1 6
HN2S03FE
KEY CONT
D1 6
*
1SS388F
A B C
S 1 0 S 15 S2 0
* *
*
2 3
S 1 1 S 16
*
*
6
5
S 1 2 S1 7
* *
33M
8 9
S 1 3
S 18
* *
0 #
S 1 4
S1 9
*
*
D7-14
KEY BACKLIGHT
CP4 CP5 CP6
RK74HB1J102J
RK74HB1J102J RK74HB1J471J
RK74HB1J102J RK74HB1J102J NO
NO NO
NO NO
D9 D10 D11 D12
B30-2337-05 B30-2337-05 B30-2337-05 B30-2337-05
NO NO NO NO
NO NO NO NO
S10
S7 S8 S9
S70-0519-05 S70-0519-05 S70-0519-05
S70-0519-05
NO
NO NO S70-0519-05
NO
NO
NO NO
C
X54-3760-XX LCD R61 R62 R63 R64 R65 R66 R67 R69 R70 R71 R72 R73
K3,K6,E 3.3k 3.3k 3.3k 3.3k
-10 YES
-11 K2,K5,E2 YES NO NO
-12 NO
K,K4,E3 NO NO
X54-3760-XX R74 R75 R76 C78
-10 120
K3,K6,E 2.2k 680 0.01u
-11 K2,K5,E2 120 2.2k 680
-12 K,K4,E3 NO
NO NO
3 3
S 3 3
34
S 34
35
S 35
3 6
S 36
3 7
S 37
3 8
S38
LCD DRIVER
3 9
C oM4/ S39
4 0
C oM3
* IC 8
4 1
C oM2
4 2
C oM1
4 3
KS 1/ S40
4 4
KS 2/ S41
4 5
KS 3/ S42
4 6
KS 4
4 7
KS 5
4 8 K S6
R 67
* D
C P 6
*
Q 6
470x4
KEY BACKLIGHT
3.30V
L3
C 8 3
*
*
R 83
0
D
2SA1362-F(GR)
Q6
*
2SC5383-T111
Q 7
*
*
CP9
CP8 CP10
CP7
RK74HB1J101J
RK74HB1J102J RK74HB1J102J RK74HB1J102J
RK74HB1J101J
RK74HB1J102J RK74HB1J102J RK74HB1J102J
NO NO NO NO
D13 D14 D15 D18
D16
B30-2337-05 HN2S03FE 1SS388F
B30-2337-05 B30-2210-05
HN2S03FE 1SS388F B30-2210-05
B30-2337-05 B30-2337-05
NO NO NO NO
NO
S11 S12 S13 S14
S70-0519-05 S70-0519-05 S70-0519-05
S70-0519-05
NO NO NO NO
NO NO NO NO
D
470 2.2k 10k 10k 10k
6.8k 0
NO 6.8k 0 470 2.2k 10k
3.3k 10k 10k
NO NO NO NO
NO NO NO NO NO
C79 C83 C84 C85 C90
0.047u 680p 0.01u
0.047u 1000p
0.047u 680p 0.01u
0.01u 0.047u 1000p
NO NO NO NO NO NO
CP 1 1
* 1kx4
S14
S13
S12
S11
1 6
S1 6
1 5
S1 5
CP 1 2
* 1kx4
1 4
S 14
S10
13
S9
S 1 3
S8
12
S 12
S7
11
S 11
CP 1 3
10
* 1kx4
S 10
S6
9
S5
S 9
8 S4
S 8
S3
7
S 7
CP14
6
1kx2
*
S 6
S2
5
S 5
S1
4
P4 /S 4
3
P3 /S 3
2
P2 /S 2
1
P1 /S 1
LCD BACKLIGHT
2SC5383-T111
Q 8
*
R 7 6
*
R 69
Q8
Q7
LCD BACKLIGHT
BACKLIGHT CONT
CP11 CP12
CP13
RK74HB1J102J RK74HB1J102J RK74HB1J102J RK74HB1J102J
RK74HB1J102J RK74HB1J102J RK74HB1J102J RK74HB1J102J
NO NO NO
D19 IC8 Q6
B30-2210-05 LC75857W-E 2SA1362-F(GR) 2SC5383-T111
B30-2210-05
LC75857W-E 2SA1362-F(GR) 2SC5383-T111
NO NO NO
S15 S16 S17 S18
S70-0519-05 S70-0519-05 S70-0519-05 S70-0519-05
S70-0519-05 NO NO
NO
NO NO NO
NO
E
43k
43k
NO
SB2
SB2
LEDR
LEDG
R:7.47V
T:7.25V
SB2
1
33M
CP14
L3
L92-0138-05
L92-0138-05
NO NO
Q7 Q8
2SC5383-T111
2SC5383-T111
NO NO
S19 S20
S70-0519-05 S70-0519-05
S70-0519-05
NO
NO
NO