Kenwood KDC-MP2028 Service Manual page 20

K
KDC-MP2028/MP228/MP3029
KDC-MP4029/MP4029G
∗
D
∗
WH1
1 2 3 4 5
TP339
Q351
Lch
PRE
MUTE
SW
Q352
Rch
PRE
MUTE
SW
2
R52 R51
39K 68K
R53
SERGE
DET
100K
D55
Q51
Q52
BU DET
BU
3
∗
IC4
POWER IC
5V
0V
4.8V
∗
B
∗
W252
R252
Q252
47K
IC4
STBY
SW
20
X34-3400-xx (3/4)
L
∗
REAR E
L R
J6 J2
1
TP338
2
TP340
∗ ∗
3
C333 C334
680P 680P
4
R335 R336
30K 30K
Q351 Q352
Q330
22K
22K
Q351,352
MUTE DRIVER
ACC
R58 3.3K
1/2W
∗
C54 R82
∗
0.01
C81
R60
0.01
ACC
∗
∗
DET
10K D81
W51
LINE
C55
Q53
MUTE
0.01 R61
22K
R57 22K
6.8V
4.5V
0V
0V
7.0V
6.9V
6.9V 7.0V
∗
B
14.4V
∗
W346
TP315
UMC2N
M
LX BUS
J1
9
8
5 9
6 10
13
7 11
8 12
∗
D72
∗
R72 4.7K
D73
R73 4.7K
SERVO+B
C52
1000P
VDD
10V
4.3V
2.0V
0V
+8V
SW5V
+5V
TP26
VDD
4.6V
2.3V
0V
Q74
D76
TP30
22K
TP31
Q74
R141
2.2
FL+B
KDC-MP2028/MP228/MP3029/MP4029/MP4029G (1/2)
DAN202U DA204U
DTA114YUA
N
F1 10A (F52-0006-05)
10 11 12 13 14 15 16
FUSE
7 6 5 4 3 2 1
TP9
TP10
C51
3300u16
+
D57
BU
Q71
SERVO +B
CONTROL
22K 22K
SW
22K
Q72
D71
SERVO +B
AVR
C69 0.47
Q73
C71
47u16
+
POWER
SUPPLY
IC3
TP71
0V 1
GND
∗ ∗
R89 C73
10.2V 2
1 0.1
ILM
TP73
14.4V 3
P.ANT
R90 C72
1 0.1
TP72
14.4V 4
P.CON
8.1V 5
AM
TP74 14.4V
6
VCC1
8.1V 7
AUDIO
5.0V 8
SW5V
TP420
5.0V 9
VDD
13.6V
10
VCC2
11
SEL1
12
SEL2
IC3
CONTROL
SW
R140 R139 R138 R137 R136 R135
4.7 4.7 4.7 4.7 4.7 4.7
TC7SH08FU
O
(X34- )
∗
IC1 :
IC3 : BD4912-V4
∗
IC4 :
IC6 : TC7W02FU-F
IC7 : E-TDA7479AD
IC8 : S-80836CNNB-G
IC10 : E-TDA7516
IC11 : BR24L04FV-W
IC15 : BA00CCWT
TH1 : PRF21BE471QB2
Q51-53,155 : 2SC4081
Q71,74 : UMC2N
Q72 : 2SB1565(E,F)
Q73 : 2SD1858
Q151 : DTA114YUA or
KRA307-P or
RT1P144M
Q252 : 2SA1576A or
KTA2014P(Y,GR) or
2SA1063A
Q330 : DTA124EUA or
KRA303-P or
RT1P241M
Q351,352 : DTC143TUA or
KRC410-P or
RT1N430M
Q501 : HN3G01J(BL)-F
D3 : IMSA-6801-E
D52,54,305,306 : MAZ4068N-M
D53 : UDZS6.8B or
02DZ6.8F-Y
D55,261 : 1SS355
∗
D57 : S2V60 A
D71 : MAZ4082N-L
D72,74,75,251-253,255-258
: D1F60-5063 or
1SR154-400
D73,77,254 : AM01ZNF or
10EDA20
D76,402,403 : DAN202U or
KDS121-P or
MC2848
D81 : UDZS4.7B or
02DZ4.7F-Y
D162,301-304 : MAZ4062-L
D203,259,260 : 1SS133
D401 : B30-1567-05
D501 : RN739F
D502,503 : KP2311ETR-G
D504 : KV1430STL-G
D506 : HVC383B-E
SIGNAL LINE
GND LINE
B LINE