Kenwood X-SE7 Service Manual page 7

K L
REC:0V
OTHER:4.3V
R123 1K
50
DOLBY ON:5.0V
C135
DOLBY OFF:0V
2.2u50
46
+
REC:5.0V
PLAY:0V
DOLBY B:0V
+ + DOLBY C:5.0V R156 1K
42
4.8V C142 100P
R155 5.6K
+ 41
0V C140 56P
R137 Q21
4.7K
R153 5.6K
MUTE
40
0V C139 18P
40
ILL R138
39 0V C141 18P
LOGIC 4.7K
R154 5.6K
39 Q22
REC R134
0.6V R157 3.9K
38
EQ
1.2K
SW C 37 1.3V R152 62K
36
M
BIAS STOP:4.4V
ADJ.
1.3V R151 100K PLAY/REC:0V
N 35
GND 34
33 3.2V C137 1u50
CONT
SBIT
+
DAC
R131 100K
BIAS 32
32
VCC 31
NORMAL:2.0V
METAL/CRO2:3.3V 30 C147
VCC +
100u16
BIAS 29
29
SBIT
3.5V R132 100K
28
DAC
C138 1u50
1.3V +
FM 27 FM
PLAY,REC,
REC PAUSE: 5.0V
1.3V R150 R144
REC FQ 26
OTHER: 0V
EQ
F/Q 25 1.3V FQ 220K 220K
Q25
24 1.3V R149 R143
GH
43K 56K
GL 23 F/Q
GP 22 R148 R142
GH 68K 56K
HM 21 R147 R141 Q26
1.3V 56K 30K
GL
R146 R140
1.3V GP 51K 36K
REC: 5.0V
R145 R139 OTHER: 0V
IC2
120K 47K
+
D10
REC: 0V
OTHER: 4.3V
+
R124 1K
R171
1.2K 1W
R172
1.2K 1W
R173
12.9V
1.2K 1W
DOLBY and the double-D symbol are trademarks of Dolby Laboratories
Licensing Corporation. Noise reduction circuit made under license from
Dolby Laboratories Licensing Corporation.
M N
2SA1286-T11
2SA1534A
2SC3246
2SC3940A
J2 2SD1302
R101
100
2SD863
1 Lch
REC
R102
100
2 Rch
3 Lch
(X28– ) (A/5)
PLAY
4 Rch
( 64 )
( 63 )
(
62 )
D23
( 61 )
SYSTEM
5.1V
C148
CONTROL
0.01
C13 ( )
J3 59
1u50
D24
GND +
S.DATA
RESET R37
10K
S.BUSY
S.GND
R46
1K
+
Q10
( )
52
C151
220P ( 51 )
R254 1K
( 50 )
C152
220P R59 10K
4.7V
( 49 )
R167
100K
( 48 )
R168 ( 47 )
100K
( )
46
( 45 )
+ + ( )
44
R56 47K
Q11 ( 43 )
C19 0.01
( 42 )
( 41 )
R55 47K
Q12
R29 100K
R31
D11 330
80
R32
D12
330
1
R30 100K
C12 0.01
E2ROM
IC4 5.1V
1 8
A0 VCC
2 7
A1 NC R36
3 6 1K
A2 CLK 62
R35
4 5
VSS DATA 63
1K
5.1V
O P
2SC2785 DTA124ESA
DTC124ESA
DTC143TSA
UN4112
2SC1740S
R39 10K
R58
47K
64
OPEN
1
S. BUSY
63
DATA R66 47K
2
62 E2 PROM TEST 2
CLK
3 R65 47K
61
A. ADJ
PH SW
R64 47K
4
60
M. ADJ
NC
59 5 R63 47K
OSC OUT TEST 1
58 6
NC KS0
57 7
GND KS1
56 8
GND KS3
55 9
GND KS2
54 10
GND NC
53 11
NC NC
IC1
52 12
STB NC
u-COM
51 SYSTEM IC 13 R62 47K
DATA NC
50 (BOTTOM VIEW) 14
PLAY/REC KR2 14
R60 47K
49 15
BIAS KR0 15
48 R61 47K
CLK SYSTEM IC
47 16
ERASE KR1 16
46 17
PLAY SW NC
45 18
LEVEL. R LED2 18
44 19
LEVEL. L LED0 19
20
LED1 20
43 21
R. INH B NC
22
NC
42 23
I/I NC
41 24
CPM NC
X1
10MHz
5.1V
C3 R20
12.9V
47u16 10K
+ 25.8V
13V AVR
Q1
Q4
+
12.3V (X28– ) (E/5)
13.5V
C4
10u16 R21
+
10K
Q5 14.0V
6.1V
12.3V
12V AVR
R67
5V 680 2W
11.3V 25.5V
AVR
4.8V
R47
IC3 AC22.0V
R27 22 R23 E1 E2
WH3
Q3 Q2
1K 1/4W 4.7
OUT IN
1 1
GND 1/4W
4.7V
2 2
5.1V
RESET
C27 + +
5.7V
3 3
0.022
+
0.6V
+
12.9V
Q R
UN5119 2SD2061 UN4212
2SC4081 UN4216
2SD2114K
DESTINATION
COUNTRY
USA
RECORDING LINE
UK
SIGNAL LINE
EUROPE
GND LINE
GENERAL MARKET
(X28- ) (D/5)
FWD FF
7
S1 D41 S2
6
RVS REW
5
4
S5 D45 S6
3
STOP
PAUSE
Q13~16
KS0~3
S9 D49 S10
DRIVE
PAUSE
Q13
CN7 E3
WH4
KS2
10 10 10
D62
KR1
( 16 ) 9 9 9
KR2
( ) REC
14 8 8 8 ON/STANDBY
LED G2
Q14
( 18 ) 7 7 7
KR0
( 15 ) 6 6 6
D69 D66
KS3
5 5 5
KS1
RVS PLAY
4 4 4
KS0 (GRN) (RED)
3 3 3
Q15
LED G0
( 19 ) 2 2 2
LED G1 D65
( )
20 1 1 1
Q16
D1 : KBP02ML–6127
D2,3 : UZ-6.2BSB or MTZJ6.2(B)
D4 : UZ-5.1BSB or MTZJ5.1(B)
D5~7,10,19,20,22~24,41~52
: 1SS133 or HSS104
D8,9,33 : 1SS131 or HSS104A
D11~17 : MA111
D18 : UZ–6.8BSB or MTZJ6.8(B)
D21 : UZ–4.7BSB or MTZJ4.7(B)
D32 : UZ–8.2BSB or MTZJ8.2(B)
D61~71 : B30–2430–05
C15
0.01
IC1 : CXP84124–144 Q
IC2 : HA12167FB
IC3 : PST993D–T
C16
IC4 : XL24C01AP
0.01 P1
IC6 : BA6209
IC7 : TA8125S
IC8 : UPC1297CA
Q1,2
: 2SD2061(E,F) or 2SD2012
Q3 : 2SC3246
J1
Q4,5,10,29 : 2SC4081
AC Q6 : 2SA1534A(R,S)
OUTLET
Q7 : 2SA1286–T11
K only
Q8,9,11,12,27,28,30,42,43,47,48
: DTC124EUA or UN5212
Q13~16 : UN5119
Q21,22 : 2SD2114K
Q23,24 : 2SD1302(S,T)
Q25,26 : DTA124EUA or UN5112
Q31,32 : DTC143TSA or UN4216
Q33 : DTA124ESA or UN4112
Q41 : 2SC3940A(R,S) or 2SD863(E,F)
Q44 : DTC124ESA or UN4212
Q45,46 : 2SC2785(F,E) or 2SC1740S(Q,R)
T1 CN1
AC IN
1
230V
50Hz
2
26.0V
HA12167FB
D1
+ ~
+ +
– ~
D5
D6
+
X-SE7(E)
X-SE7/SE7(G)/SE9
Y26-4330-21
S T
2SD2012 UN5212
UNIT NO. J1 WH1,2
ABB
K 0-00 O O
T
E 2-71 X X
M
REC ON/STANDBY
KR0
6
D42 S3 D43 S4 D44
DOLBY NR OPEN/CLOSE
KR1
9
D46 S7 D47 S8 D48
CRLS RVS MODE
KR2
8
D50 S11 D51 S12 D52
DOLBY B
CRLS
R251
LED G0
150
2
D63 D64
DOLBY C
RVS MODE
R252
LED G1
150
1
D67 D68
FWD PLAY
(GRN) (RED)
R253
D61 LED G2
150
7
TA8125S
UPC1297CA
BA6209
XL24C01AP