Kenwood 1050MD Service Manual page 23

AO AP
IC10,11 10.9V
REC IN AMP
(ANALOG)
Lch
-12V -12V
R105 C149
150 22u35
+
R106
150
R100
5.1V
X
IC8
0V 330
6
1 20
R107
- 7 0V
HP DIFO
1K
0V 5
2 19 +
OVFL 0V DIF1
IC3
3 18
(2/2)
VA+ RST
+
4 17 0V C108
A GND AINL+
100P
5 16 0V ANALOG +5V
D GND AINL- C109
STABILIZATION
6 15 0V 100P
VD+ CM OUT
7 14 0V R108
MCLK AINR-
150
8 13 0V
SCLK AINR+
9 12 2.5V
S DATA LRCK
X
C113 C112
10 11 5.1V
FRAMF PU
47P 100P
C152
R109 22u35
+
150
C101 100u10
20BIT A/D
+
Rch
CONVERTER
C102 560P
D30
C92
330u6.3
+
C91 0.01
R196
1.8
C50 0.01
C95
330u6.3
31
+
32
DAC TEST 0
C96
33
DAC TEST 1
34 0.01
LZ
35
GND AL R82
36 4.3K
LO+
R84
4.3K
37
LO-
IC6 38
VDAL
39
D.R.I.V.E.&
VDAR
D/A CONVERTER
40 R85 4.3K
RO-
R83
41 4.3K
RO+
42
GND AR
43
RZ
44
RESET N R177
45 4.7K
DAC TEST 2
D28
X1
R81
+
1M
AQ AR
C205 10P
IC21,22 R207 100K
INVERTER
IC21
(1/6)
X X
C204 47P
X
R206 100K
+5V
X
IC22(3/4)
6 5
C202 47P
R203 100K
IC21 (4/6)
0V
8 9 10
8 3
IC10(1/2)
1 +
2 0V 1.1V
- 5.2V
0V -11.6V
4
C153 R114
2.5V
47P 100 R120
R240
220
6.8K
2.6V X
R119 C208 22P
13K
0V
X
R210 100K
R117 C154
7
330 10P 0V
13 12
C150 6
22u35
7 -
5 X
+
+ 2.6V IC22
IC10
14
(4/4)
(2/2)
IC11
(2/2)
C151
5
22u35 7 +
6
+
-
0V
0V
R118 C155
330 10P
R116
13K
R115 6.8K
C156 R121
47P 100
IC11
(1/2)
4 2 0V
0V 1 -
3
+
8
10.9V
-12V
+12V
X
R153
X
X
C127 R142
IC14
0V 0V 0V
X (1/2)
R145 6 R161 R163
820 820 R140 C241 R166
- 7 2
X
R152 100 47u50
5 -
+
3
IC14 + +
8
C132 1
(2/2) 4
0V 0.01 0V
+12V
-12V
IC13 0V
4
0V 3 R156 C142
(2/2)
X
R150 5 8 R158 R160 + 100 47u50
820 820
+ 2
X +
R151 -
6 1
-
7 0V
IC13
X X
(1/2)
C130 R141 0V
0V
X
R157
Q20
MUTE
ON:-11.6V
OFF: 4.9V
IC13,14
Q16-19 Q20,32
BUFFER MUTE
MUTE
CONTROLLER
AS AT
A1
7
2 1
1
OUT
OPT.
14
C290 0.01
2
2
+ GND DM-9090
3
+5V VDD
1 DM-5090
R205 100K
X
C203 22P
X
R204 10K 2.6V
X
X
X
IC22(2/4)
IC22(1/4) X
J4
C209
4 3 2 1 0.1
1 COAX
1
1.0V 2.8V
R202 100K
C201 22P
R201 10K
IC21 (5/6)
IC21 (6/6)
J3
C210
11 12 13 0.1 3
DM-9090
COAX
1
2.8V
2.7V 2
DM-5090
C206 47P
R208 10K 2.6V
COAX
2
C211 R211 R218
3 4
0.1 330 15
A2
IC21
(2/6)
1
GND OPT.
5 6
C231 47u16
2
VDD
+
3
OUT
C214 0.01
IC21
(3/6)
R219 220
+5V
DM-9090 DM-5090
X14-E/5 X14-C/3
-CN3 -CN3
X
WH1
R143
6 L-FIX
3/3
100
5 L-VAL
4 GND
D
3 GND
2 R-VAL
R144
1 R-FIX
100
X
J1
C165
22u35
1 Lch
+
INPUT
C166
22u35
2 Rch
+
3 Rch
OUTPUT
4 Lch
X14-C/3
-E1
R170 R174
1 L OUT
100 100 100 3/3
2 GND
R167 R171
3 R OUT
1K 1K
I
4 MUTE
Q16 Q17
5 +12V
6 -12V
X14-D/5
X
-WH1
CN12
X
3/3
CN7
1 L OUT
R168 R172
1K 1K
E
2 L OUT
3 GND
Q18 Q19
X32-
4 R OUT
R169 R173 R175 WH2
5 MUTE
100 100 100
3/3
+12V 6 +12V
-12V -12V 7 -12V
X F
CN11
Q32 ON:OV
OFF: 4.9V
1 L+
DM-9090
X
W7
2 L-
X14-B/5
-CN1
R191 3.3K 1/4W +12V 3 +12V
R176 R192 3.3K 1/4W 4 GND
3/3
11.0V
330 5 GND
MUTE ON:2.1V
OFF:-7.7V
-12V 6 -12V
G
( )
7 7 R-
(
)
8 8 R+
DM-9090
+12V
X00-B/2
-E1
3/3
1050MD/DM-5090/DM-9090 (2/3)
H
AU AV
2SA954 2SC2458
X32-
WH1
3/3
C
DM-9090 (X25-5940-11) ,
DESTINATION C45,46, C123,124, C127- C139, C203,204,208, CN7,
UNIT No. A C B
COUNTRY ABB. , 113,315, 169,170 130 140 209,316 10,11
U.K. T
0-01 YES NO NO 330P 1500P 120P YES YES
EUROPE E
IC22, L3 Q21, R28,29,190,238,
UNIT No. E1 IC8 J1 J2 J3 J4 R30
27 ~6 22
297,352,373,374
0-01 YES CS5335 YES E63-0121-05 NO E63-0174-05 YES NO NO NO 330
R141, R145, R153- R178,179,194,199,204-206,210, W1- W4,
UNIT No. R371 WH1
142
150-152 R155,157 213,215,288,289,295,296,372 3,5 6,7
0-01 100 4.7K 1.5K YES 110K NO YES E35-1974-05
DM-5090 (X25-594X-XX)
DESTINATION
C45,46, C123,124,139, C127- C203,204,208,
UNIT No. A B C C315
113 140,169,170, 130 209,316
COUNTRY ABB.
JAPAN J 0-02 YES YES
U.S.A. K
GENERAL MARKET M NO YES YES 100P 180P NO
0-12 NO NO
U.K. T
EUROPE E
IC22, Q21, R28,29, R124,
UNIT No. E1 IC8 J1 J2 J3 J4 L3,4 L5,6 R30
27 22 190,238
0-02 YES YES YES
NO CS5334 NO E63-0120-05 E63-0160-05 NO YES YES 10
0-12 NO NO NO
R145, R153- R178,179,194,199,204- R288,289,295- W1- W4,
UNIT No. R372 WH1
150-152 R155,157 206,210,213,215,371 297,352,373,374 3,5 6,7
0-02 YES NO
3.9K 18K NO YES NO E35-2021-05
0-12 NO YES
IC1,2 : ICP-N10
2SD2012
IC3 : NJM4558M
IC4 : PST993D-T
IC5 : TL431CLP
IC6,24 : KAN03
IC8 : CS5334
IC10,11,13,14 : NJM4580ED
IC21,22 : TC74HCU04AF
IC23 : LC8904Q
IC25 : SM5844AF
IC26 : TC74HC157AF
IC27 : LC89170M
IC28 : uPD784035GC801
IC29,34 : HM62256BLFP-8T or
HM62256BLFP-7T or NJM4580D
HM62256BLFP12T
IC30,33 : TC74HC373AF
IC31 : UPD784215GF508
or UPD78F4216GF
IC32 : TC74HC4094AF
IC35 : TA8409S
IC36,38 : TC74HCT7007AF
IC37 : HD74HCT126FPEL
IC39 : TC74VHC244F
Q1,7,11 : 2SD2061 or
2SD2012
Q2 : 2SK246(Y,GR)
Q3 : UN5219 DAP202U
Q5,6,20-22,25-27 : UN5212
DA204U
Q8,24 : 2SA1576A(R,S)
Q9,10,12,23 : 2SC4081(R,S)
Q13 : 2SC954(L,K)
Q16-19 : 2SD1450(S,T)
Q30,32 : UN5112
Q31 : UN5216 or
DTC143TUA
D1,11 : D3SBA20F03
D2,26,30,33-35 : DA204U
D3,18 : U1BC44
D4,8,12,17,22-24,29,31,32,215
HM62256BLFP12T
: MA111
DM-5090 D5 : UDZ5.1B
X14-A/3 D7 : UDZ2.7B
-CN2 D9,10,21 : S5688B(TPB5)
D13 : UDZ5.6B
D14,15 : MA113
D16 : UDZ6.2B
D19 : UDZ18B
D20 : UDZ15B
D28 : DAP202U
DM-5090
X00-A/2
-E1 DIGITAL RECORD LINE (DIGITAL INPUT)
DIGITAL PLAYBACK LINE (DIGITAL OUTPUT)
DIGITAL LINE
GND LINE
+B +B LINE
-B LINE 1050MD/DM-5090/DM-9090
-B
Y22-7000-00
AW AX
2SB798-DL
DTA144EUA
DTC114YUA
DTC143TUA
UN5216
UN5219
2SC4081
2SD2061
D24,
CN12
215
NO NO
R124,
180
330K
2SC3311A
CN7, D24,
CN12
10,11 215
YES
NO YES
NO
R141,
FMW1
180 142
56K 330
NJM4580E TA8409S
NJM4558M TC74HC4094AF
NJM4580ED
UN5212 2SK246
TC74HCT7007AF
TC74HCU04AF
TC74VHCU04F