Kenwood 1050MD Service Manual page 25

BI BJ
DISPLAY UNIT
(X14-4380-00) (B/5): DM-9090 ONLY
ED1
P13 P14
P17
L
REPEAT FADE
P15 P16
TITLE IN
P17 P18
PGM SEARCH
P2
R
P19
P20 P21
SINGLE
COPY
P22
P23
P24 TOTAL
P25
REMAIN
15G 10G
U+5V
R41
Q5
CN1 47K
F
ENCB
17 17
ENCA 16 16
KD3 15 15
KD1 14 14
UGND
13
KD2 12 12
KD0 11 11
U+5V 10 U+5V
C15
FL GND
9
0.01
G -33V 8 -33V
R30 100
AC5.9V 7
R29 100
AC5.9V 6
DRCE
5 62
DRCK 4 63
DRDT 3 64
R2
REM 2 2
470
TMSW
1 1
P2
(X14- ) (E/5) (X14- ) (D/5)
CN3
WH1
R43 1K
L-FIX 6
LOUT 1
R63
L-VAL 5
LOUT 2
1K
VR1
50K
WH1
GND 4 GND 3
D
GND 3 ROUT 4
ON:2.1V OFF:-7.7V
MUTE 5
R64 E D3
R61
10.9V
R-VAL 2
+12V 6
R44 1K
100
R-FIX 1
1K
-11.6V
REC LEVEL BALANCE
-12V 7
BK BL
14G
40 30 21 18 15 12
L1 L2 L3 L4 L5 L6 L7
P18 P19 P20 P21 P22 P23 P24
P3 P4 P5 P6 P7 P8 P9
R1 R2 R3 R4 R5 R6 R7
40 30 27 24 21 18 15
9G 8G 7G 6G 5G
1
16 33
( 16 ) AM16 AM33
15 34
( 15 AM15 AM34
)
14 35
( 14 ) AM14 AM35
13 36
( 13 ) AM13 AA1
12 37
( 12 ) AM12 AA2
11 38
( 11 AM11 AA3
)
10 39
( 10 ) AM10 IC1 AA4/G16
9 40
( 9 ) AM9 FL DRIVER AA5/G15
8 41
( 8 ) AM8 AA6/G14
(BOTTOM VIEW)
7 42
( 7 AM7 AA7/G13
)
6 43
( 6 ) AM6 AA8/G12
5 44
( 5 ) AM5 G11
4 45
( 4 ) AM4 G10
3 46
( 3 AM3 G9
)
2 47
( 2 ) AM2 G8
1 48
AM1 G7
( 64 ) R27
10K
( 63 )
C6
( 62 )
100P
-33V
+
+
U+5V U+5V
-33V
+12V
R45 IC2
C23
(1/2)
2.7K 22u16 8 R51
3
+ 1 22
+
R47
2
1K Q7 -
+
VR2
Q7.8
50K R57
MUTE
330
R58
Q8
+
330
6
R46 R52
-
1K R48 C24 5
+
+
22
7
D4
2.7K 22u16 4
+12V IC2
(2/2)
BUFFER
D5 AMP
R62
-12V -12V
100
BM BN
9 7 5 3 1 0 OVER (-dB)
P32
L8 L9 L10 L11 L12 L13 L14
P25 P26 P27 P28 P29 P30 P31
OUT
P10 P11 P12 P13 P14 P15 P16
R8 R9 R10 R11 R12 R13 R14
12 9 6 3 0 OVER
(-dB)
4G 3G 2G 1G 11G
( 42 )
U+5V
(
41 )
( 40 )
-15.7V
( 33 )
R38
1K
Q4
WH2
(X14- ) (C/5)
-15.3V
Q3
R34
1K
34
35
S25
R3
10K
-29.8V
R1
10K
Q2
R33
TIMER SW
1K
Hi : REC
Md : PLAY
43
Lo : OFF
44
45 -29.8V
46
R32
Q1
47
1K
A1
48
1
GND
2 R4
VCC U+5V
3 100
Q1-5 DATA
BUFFER
-32.5V
-33V
4.8V
(X00-2840-01) (B/2)
R53
L1 E1
22
WH3
AC18.5V 1
HEADPHONE GND 2
L2 J1
AC18.5V 3
CN5 CN3
AC10V 4
AC5.9V 5
F1
1.25A 125V
AC10V 6
R54
AC29V 7
22
P1
AC29V 8
H
AC5.9V 9
BO BP
P1 P2 P3
AM AM AM
1 2 3
P1 P2
ANALOG DIGITAL
P6 P7 P8
P33
L15
AM AM AM
6 7 8
P3 P4 P5
P11 P12 P13
1 2 3
AM AM AM
11 12 13
P7
P6
MONO 32kHz P16 P17 P18
AM AM AM
P8 16 17 18
P1
R15
P9
MONITOR
P21 P22 P23
44.1kHz
AM AM AM
21 22 23
P10
MANUAL P26 P27 P28
P12
AM AM AM
48kHz 26 27 28
P11
A.PAUSE
P31 P32 P33
AM AM AM
31 32 33
12G 13G
(1G-12G)
E1
1
WH3
(X14- ) (A/5)
1
E2
S13
R20 R19
2.7K 1.8K
FADE
S14
EDIT
S15
R12 R11 R10
12K 2.7K 1.8K
TITLE
INPUT
S16
REC
INPUT
R9 R8
S17 12K 2.7K
MONITOR
S12
E3
TT
SEARCH
IC1 : LC75710NE D2 : RD7.5JS(B) or HZS7.5S(B)
IC2 : NJM4580D D3-5 : 1SS133 or HSS104
Q1-5 : 2SC3311A(Q,R) or ED1 : FIP12XM1GA
2SC2458(Y,GR) A1 : W02-2571-05
Q7,8 : 2SD1450(S,T)
(X00- ) (A/2)
AC
CN1
AC
WH1
AUDIO 2
(GRY)
L1
1
AUDIO
AUDIO
SYSTEM
SYSTEM
-VFL
WH2
-VFL
(WHT)
MAIN
POWER
BQ BR
P4 P5
AM AM
4 5
P9 P10
AM AM
9 10
P14 P15
AM AM
14 15
P19 P20
AM AM
19 20
P24 P25
AM AM
24 25
P29 P30
AM AM
29 30
P34 P35
AM AM
34 35
R7
1.8K
2 3 4 5 6 7
2 3 4 5 6 7
AC100V
50/60Hz