Kenwood KDC-348U Service Manual page 34

AE
KDC-348U/4751SD/BT41U/BT648U
/U4549/U4549SD/U549BT/X395/X695
ANODE CONNECTION
1
PIN
1G 2G
NAME
P1 3a 3a
2a 2a
P2
1a
P3 1a
P4 3h 3h
P5 2h 2h
1h
P6 1h
P7 3j 3j
P8 2j 2j
1j 1j
P9
3k
P10 3k
P11 2k 2k
P12 1k 1k
col3 col3
P13
2
col1
P14 col1
P15 3b 3b
P16 2b 2b
1b
P17 1b
P18 3f 3f
P19 2f 2f
1f 1f
P20
3m
P21 3m
P22 2m 2m
P23 1m 1m
S2 S4
P24
S3
P25 S1
P26 3g 3g
P27 2g 2g
3
1g
P28 1g
P29 3c 3c
P30 2c 2c
1c 1c
P31
3e
P32 3e
P33 2e 2e
P34 1e 1e
3r 3r
P35
2r
P36 2r
P37 1r 1r
col4 col4
P38
col2
P39 col2
P40 3p 3p
P41 2p 2p
4
1p 1p
P42
3n
P43 3n
P44 2n 2n
P45 1n 1n
3d 3d
P46
P47 2d 2d
P48 1d 1d
-
P49
-
P50
P51
P52
P53
-
P54 -
P55 - -
P56 4d 4d
5
- -
P57
P58 4n 4n
P59 - -
4p 4p
P60
-
P61 -
P62 4r 4r
P63 - -
4e 4e
P64
-
P65 -
P66 4c 4c
P67 - -
4g 4g
P68
P69 - -
P70 4m 4m
6
- -
P71
4f
P72 4f
P73 - -
P74 4b 4b
- -
P75
4k
P76 4k
P77 - -
P78 4j 4j
- -
P79
P80 4h 4h
P81 - -
4a 4a
P82
-
P83 -
7
34
X16-707x-xx (1/2)
AF
SWITCH UNIT (X16-707x-xx)
3G
3a
1G
2a
4a
1a
3h
2h
1h
3j
2j
1j
3k
2k
1k
col3
col1
3b
2b
1b
3f
2f
1f
3m
2m
1m
S6
S5
3g
2g
1g
J1
3c
ILL GND 24
2c
PAN 3.3V 23 PAN3.3V
1c
SW 3.3V 22 SW3.3V
3e
LED+B 21 LED+B
2e
USB D+ 20 D+
1e
USB GND 19
3r
USB D- 18 D-
2r
X34- USB+5V 17 USB5V
J301
1r AUX L 16 L
AUX GND 15 G
col4
1/2
AUX R 14 R
col2
3.8V
FL+B 13
3p
A
VFD RST 12
2p
VFD CS 11 11
1p
VFD DATA 10 10
3n
VFD INT 9 9
2n
VFD CLK 8 8
1n
REMO 7 7
3d
RTRY CCW 6 6
2d
RTRY CW 5 5
CN DET 4
1d
MIC N 3
ESD GND 2
MIC P 1
∗
∗
CN1
MIC P 1
∗
BT MIC
col5,6
MIC N 2
S7
J2
1 TP72
4d
2 TP71
AUX
5d
3
4n
5n
4p
5p
J3
4r
5r
1
4e
TP81
5e
2
USB
4c
5c 3
4g
4
5g
4m
5m
4f
5f
4b
5b
SWITCH UNIT (X16-707x-xx)
4k
DESTI-
MODEL NAME
NATION
5k
KDC-348U K3
4j
KDC-BT648U K
5j
KDC-X395 K2
4h KDC-X695 K1
KDC-U4549/SD M3/M2
5h
KDC-U549BT M1
4a
KDC-4751SD E3
KDC-BT41U E1
5a
SKDCBT6048U FLEX
AG
2G
4a 5a 4a
0.9V
KEY SCAN
TIMING
ADJUST
Q20
C11
C12
0.1
0.01
3.2V
3.3V
10.2V
LED+B
IC2
5.0V 1
7 VOUT
0V 2
R22
GND
100 3
VCC
3.3V
C21
REMOTE
CONTROL
SENSOR
D9
KEY MATRIX
KI1 KI2
D10
KS1 6
KS2 3
KS3 DISP
R
KS4
L
PANEL
KS5
G DET
C100
1000P
R82
22
D-
TP82
R81
22
D+
UNIT
D52-55,66-69 D60-64
No.
BLUE (B30-3210-05) RED (B30-1779-05)
2-71
0-10 BLUE (B30-3210-05) BLUE (B30-3210-05)
0-11 BLUE (B30-3210-05) BLUE (B30-3210-05)
BLUE (B30-3210-05) BLUE (B30-3210-05)
0-11
WHITE (B30-1788-05) BLUE (B30-3210-05)
0-22
WHITE (B30-1788-05) WHITE (B30-1788-05)
0-21
2-71 BLUE (B30-3210-05) RED (B30-1779-05)
0-10 BLUE (B30-3210-05) BLUE (B30-3210-05)
BLUE (B30-3210-05) WHITE (B30-1788-05)
3-21
AH
3G
3a 2a 1a 3a
Q21-23
GRID
REVERSING
Q21
DRIVER
Q22 CP14
47K
Q23
TP87
1
KS1
S12 S13
TP37
6 5
TP88
KS2
S7 S8
TP38
3 2
TP89
KS3
S4 S5
TP39
DISP
TP90
KS4
TP40
KI3 KI4 KI5 KI6
5 4 AUD
2 1 BAND
ACCENT EJECT
SRC
CN1 D9,10 D65 L2 R56-58 R106
RED (B30-1779-05)
YES 620
YES YES BLUE (B30-3210-05) YES 510
BLUE (B30-3210-05) YES 510
BLUE (B30-3210-05)
YES 510
WHITE (B30-1788-05)
510 YES
WHITE (B30-1788-05)
YES YES 510 YES
RED (B30-1779-05) YES 620
YES YES BLUE (B30-3210-05) YES 510
BLUE (B30-3210-05)
YES YES YES 510
AI
2G
2a 1a
VDD
0V
CP
10
5
6
S14
4
S9 S1
1 BAN
S6 S1
ACCE
IC2 : KSM-200
Q20 : RT1N436
Q21-23 : RT1P141
D1,9,10 : RKZ4.7K
D51 : B30-1566
D52-55,66-69
:
∗
D60-64 :
∗
D65 :
∗
D79,82 : DA204U
D81 : HZM6.8Z
ED1 : QLF0202