Kenwood xxv-03a Service Manual page 13

F
QQ
3 7 63 1515 0
R76
750
5.0V
IC4
(1/4)
14
1
3
2
5V
7
5V
0V
0V
0V
5V
0V
0V
Q31
R137
Q33 1/2W
Q15 Q18
R117
470
Q19 Q21
R115
470
MAIN
AMP
Q22
TE
L 13942296513
Q20
4.9V 5.0V
R122
4.7K
Q108
Q97
12.5V
VOLTAGE
LIMITER
TP36
+15V AVR
15.0V
TP101
Q25
R138 47
R139 47
Q16
Q29
R238
1.2K
Q84
R305
Q110
11K C123
0.01
R123
10
Q30
Q17
Q26
-15.0V
-15V AVR
www
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried
.
out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual
instruments or/and units.
G
5.0V
5V
5V 5V
TP103 IC4 IC5
0V
0V 0V
5 (3/4)
(1/4)
6 12
R109
14
4
11 4
R99 10K 13 1K
6
5
IC4
D28
5V D30
(2/4)
7
0V
0V
TP102
TP104
IC4
5V
5V
IC5
D31
(4/4) 0V
0V
10 (2/4)
8 10
R93 R110 1K
9
8
9
10K
5V
IC5 IC5
D27
0V TP105
(3/4) (4/4)
1 12
0V 0V
3 11
2 13
1K
Q46 Q109
10K 10K
10K 10K
Q37 Q42
R157
10
Q48 Q50
Q27
R158
10
Q38 Q43
R159
Q39 Q44
10
Q51
Q49
R160
Q28
10
Q40 Q45
Q106
D89
Q63
R187
5V
AVR 10K
10K
Q107
Q59
10K
99.8V
AVR
Q47 D40
D41
D42
D43
L2
D38
19
85.6V
18
17
16
15
14
13
12
11
10
R276
15K
R226
10
R142
Q23
47 R227
D39
10
R143
FAN
47
-85.6V
+B
CONT.
Q24
x ao
y
i
H
8
Q71
15.0V
1.5V
R205
8 6
1K
7
5
DEAD
Q72
TIME
IC7
CONT.
(2/2)
COMPARATOR
R310 10K
IC6
R309 10K
7.5V 5
IN2+
C84 R308 10K 0V
6
IN2-
0.01
5.0V 7
OUT2
15.0V 8
VCC
CURRENT
DET.
R176
3.3K
Q52
R177 Q53
3.3K
L3
52
5.0V
R189
P-CON
10K
DET.
Q Q
3 6 7 1 3
61
Q62
Q66
54
0V
IC13
5.0V
DC/DC
1
CONVERTER
2
3
4
5
6
Q57 Q60
7
8
9
Q83
Q36
10K
Q58 Q61
10K
Q41
R179
10K
10K
R129
5.0V
1.5K
10K
R174
7
Q35
1K
10K
IC14
D59
(2/2)
10K
CURRENT SIGNAL AMP
u163
.
I
2 9 9 4 2 8
SIGNAL DET.
1.5V
R221
20K
IC7
R223 C102 R225
(1/2)
R214
20K 10u35 47K
2
D52
10K 1
+
3
1.5V 1.5V
4
-15.0V
4 0V
VEE
1.0V
3
IN1+
2 7.5V
IN1-
1 0V
OUT1
D90
Q54
TP100
R190
D48
2.2K
Q55
J5
P-CON
Q78
GND
OUT
BATT.
C101
DC
DET. Q73
10u25
F3 (25A)
F1-3 : F52-0014-05
CN4
14.4V
F2
L6
(25A)
Q80
R215
1 5 0 5 8 2 9 9 4
10K
CN5
F1
Q79
(25A)
D51
10K
10K
P1
5.0V
14.3V
Q82
10K
D58
Q81
14V 10K
10K
14.2V
0V D53
10K
Q77
Q74
Q75 Q76
Q64 Q67 Q69
Q65 Q68 Q70
15.0V
R230
0V
L5
R231
13K
R186
470
8 2 0V
6 10K 1
3 0V
5
IC14
4
0V
-15.0V
(1/2)
m
co
X09-5930-10 A/2 (2/2)
J
XXV-03A
9 9
1
2
SP OUT
400W/4
3
800W/2
1000W/1
IC1,2,7,14 : BA4560F
IC3 : NJM319D
IC4,5 : TC74HC00AF
IC6,16 : BA10393F
IC10 : 784224YGC117
IC11 : PST3436UL-E
IC13 : UPC494GS
2 8 9 9
IC15 : P82B96PN
Q1,3,10,24,62,66,71,73,78,88,89,
4
97-99,107,108 : 2SC4081
Q2,4-6,16,17,20,72
: 2SA1576A
Q7,8,35,41,46,59,79,86,
96,109 : DTC114EUA
Q9,36,63,81,82,95,102,
111 : DTA114EUA
Q15,18,33,37,42,52,55
: 2SC3478AA(L,K)
Q19,21,22,27,28 : 2SA1352E/F-KEN
Q23,47,83 : 2SD1863
Q25 : 2SC4467NF
Q26 : 2SA1859ANF
Q29 : 2SC1845-A(F,E)
Q30,110 : 2SA992-A(F,E)
Q31,53,54 : 2SA1376AA(L,K)
Q38,40,43,45 : 2SA1286-T11
Q39,44 : 2SC3902
Q48-51 : STW34NB20
Q57,58,60,61,64,65,
67-70 : 2SK3662-F
Q74,77 : 2SC4097
Q75,76 : 2SA1577
5
Q80 : 2SB1241
Q84 : 2SK246(BL)-F
Q103,104 : 2SC945AA(Q,P)
Q106 : 2SB1238
D1,12-15,21,22,24,25,27,
28,30,31,40-43 : 1SS133
D3,5,60-62,94 : UMZ6.8N
D4,8 : RD6.2JS-AZ(B2)
D10,11,18,19,48,52,53,
55,58,64,65,70,71,81,90
: 1SS355
D17,20,32 : UDZS10B
D23 : RD5.1JS-AZ(B2)
D26,44,46,49,82 : UDZS5.1B
D33 : UDZS2.7B
D34,69 : UDZS16B
D37,51 : RD15JS-AZ(B)
D38 : FCH20A20
D39 : FRH20A20
D50 : UDZS6.8B
D54,56,57 : RM4ZLF-J1NF
D59,91 : DA204U
D76 : LM1MA142WA-G
6
D77,80 : LM1MA142WK-G
D86 : UDZS4.7B
D89 : S5566B-Q
D92,93 : RD24ES-AZ(B)
SIGNAL LINE
GND LINE
B LINE
B LINE
XXV-03A (1/2)
7
13