Kenwood KRF-V5010 Service Manual page 18

U V
Q Q
3 7 6 3 1 5 1 5 0
1
IC1 : TA7815SB D3,4,7
IC2 : TA79015SB
IC3 : D5,6
X
IC4 :
X
IC5 : NJM4580ED D8
IC6 : TC9164AF
IC7 : TC9162AF D10,12,13
IC8,12 : NJM4565MD
IC9 : M62446FP D11,56
IC16 : M62460AFP
IC17 : BU4066BCF D14,15
IC18 : NJM2279M
IC19 : M5278L05M D19-23,26,50-55,59
2
D24
Q1-11 : 2SC2878(B)
Q12,40,42 : 2SC4213(B) D25
Q13,14 : 2SA1586(Y,GR) or
2SA1611(M5,M6) D31,32
Q15-19 : 2SC1845(F,E) D33-36
Q20-23 : DTC123ZUA D37,38
Q24,25,32-34,36,37 : 2SC3722K(R,S)
Q26,35 : 2SA1255 D39,40
Q29 : 2SC2631(S,T)
Q30 : 2SA1123(S,T)
Q31 :
X
Q41 : DTC113JUA or
UN5219
TH1 : PTH9C42BD471Q
3
IC18 I/O TABLE
OUTPUT
INPUT 10 MONITOR
12 VIDEO1
3 VIDEO2
T E
L 1 3 9 4 2 2 9 6 5 1 3
1 6ch INPUT
J5
C61
10u16
6ch INPUT 1
+
4
C62
10u16
VIDEO IN VIDEO1 2
+
C63
10u16
VIDEO2 3
+
VIDEO AMP
SEL.
(BOTTOM VIEW)
IC18
5
-5.1V
J6
R54
MONITOR OUT 1
75
VIDEO OUT
R55
VIDEO2 2
75
6
X04-A/2
-CN4
1/3
w w w
A
X05-
CN1
1/3
B
7
W X
(X09-490X-XX) (A/3)
J1
C3
R1 10u16
Lch 1
1K +
PHONO
C4
R2 10u16
Rch 2
+
1K
R17
Lch 3 25
1K
CD
: MTZJ5.1(B) or
RD5.1ES(B2)
R18
Rch 4
: MTZJ6.8(B) or 4
1K
RD6.8ES(B2)
J7
: MTZJ11(B) or
23
RD11ES(B2) R23
Lch 1 17
: MTZJ8.2(B) or
1K
RD8.2ES(B2)
REC OUT
: MTZJ7.5(B) or
RD7.5ES(B2)
R24
: MTZJ10(B) or
Rch 2 12
RD10ES(B2) 1K
VIDEO2
6
: MA111
MONITOR
: MTZJ4.7(B) or R21
Lch 3 19
RD4.7ES(B2) 1K
: MTZJ3.3(B) or
RD3.3ES(B2) PLAY IN
: D4SBL20UF03
R22
: S5688B(TPB5)
Rch 4
10
1K
: MTZJ16(B) or
RD16ES(B2)
J2
: MTZJ18(B) or
R31
RD18ES(B2) Lch 1 10
1K
SIGNAL LINE REC OUT
GND LINE
+B +B LINE R32
Rch 2 8
-B -B LINE
1K
MD/TAPE
R27
Lch 3 24
1K
PLAY IN
R28
Rch 4 5
1K
R35
Lch 5 22
1K
VIDEO1
PLAY IN
R36
2 13 4
Rch 6 7
1K
5 VIDEO1 REC V-A V-B MUTE
J3
L L L
R44
L H H
SWch 1 6
10K
H H H
R39
Lch 2 18
1K
R40
Rch 3
11
1K
DVD 6CH.
INPUT
J4
R43
4.45K
Cch 1 23
1K
AMP DRIVER
6dB 75K
5.3dB 75
R47
SLch 2 1
1K
5.3dB 75
R48
AMP
DRIVER SRch 3 4
6dB 75K
1K
4.45K
5.1V
23
+15V
R94
15V
390
1W
R93
B 15V
x a o
390
1W
. i
1 2 3 4 5 6 7 8
CN10
Y Z
15.0V
IC5(1/2)
+15V +15V
R5 3 C15
8
+ 1 4.7u35 R15
100 2
-
+ 100
C11 C13
0.012 3300P
15.0V
R9 R11
270K 22K
PHONO EQ AMP
L
INPUT
SELECTOR
R10 R12
IC6
270K 22K
C12 C14
0.012 3300P
6 C16
4.7u35
- 7
R6
5
+ +
100 4
R
IC5(2/2)
-15.0V
-15.0V
15V
4.1V
0V
C164
2.6V
0.01
DOLBY
PRO LOGIC
MODIFIED DUAL. TIME CONSTANT
IC16 VCL B-TYPE AND
NR DECODER
THRESHOLD SWITCHES
(BOTTOM
+9.2dB
VIEW)
2.6V
C169 1800P
40
39 2.6V
C170 0.01 38 2.6V
S'
+3.2dB
C171 0.068 37 2.6V
36 2.6V
ATT -6.0dB
C172 0.1
35 0V
SELECTOR2
CENTER MODE
C173 0.1 34 0V
CONTROL
C174 0.068 33 2.6V
1+B
2
32 2.6V
Q Q
1-B
3 7
2
C175 1800P 2.6V
31
-3.2dB
30 2.6V
ATT
C176 0.01 29 2.6V S'
SELECTOR3 SELECTOR1
C177 1u50
28 2.6V
+ 4.1V
27
C178 22u16 26
VREFD
+
2.6V
25
+B AVDD MCU
REO SCK DATA
5.2V
CLK
+
-
4.1V
0V 0V
R124
1M
X1
4MHz
+B +B
+15V
15V
+15V +15V
15V 15V
15V 15V
+15V +15V
u 1 6 3
y
9 10 11 12 13 14 15
WH3
B A
AA AB
+15V +15V +15V
2 4
8 9 9
15.0V
LINE BUFF.
R59
IC8(1/2)
C45
220K BYPASS(L)
2.2u50 5 8 C55
+ 7 22u16
+ 6
-
+
R69
4.7
R70
4.7
C56
2
22u16
- 1
3
+ +
4
BYPASS(R)
R60 IC8(2/2)
220K -15.0V
15V 15V 15V
65 4.0V C146 0.1
LOG C145 680P
FULL WAVE
DIFFERENCE BPF
RECTIFIER
R133 47K R132
AMPLIFIERS 66 4.0V
15K
67 4.1V R131 7.5K
C142 680P
BPF
68 4.0V R130 47K R129
15K
4.1V R128 7.5K
69
70 4.1V C143 0.1
71 4.1V C140 0.1
AUTO
SELECTOR C127
BALANCE
LIN 72 4.1V 10u16
VCA
+
R199
SERVO
C128
22K
RIN 73 4.1V 10u16
R127 2.2M R200 +
6 3 1 5 1 74 4.1V 5 0 8 9
C139 47u16 22K
M
+
+/- M
75 4.1V
AVCC +B
76 4.1V
VREFA
C138 220u25
77
VREF
+
78 1.3V R126 100K
IREF
79 2.5V C137 10u16
+
NOISE
R125 220K
SEQUENCER 80 4.2V
IC19
R458
1 3 100
IN OUT
GND
2
R134 R135
+B +15V
220 68
1/4W 2W
+B R198
C330 10u16 100K
+
R351
+15V +15V
4.7
R352
15V 15V
4.7
+15V
15V
m
(
24 )
c o
.
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3
D
AC AD
IC9
ELECTRIC
VOL.,TONE (BOTTOM VIEW)
2
8 9 9
22
C107 0.33u50 21
RBASS1
LBASS1
+ 20 23
LBASS2 RBASS2
C105 0.015
19 24
LBASS3 RBASS3
C109 8200P
18 25
LTRE RTRE
C111 4.7u35 17
26
TONE
+
27
28
C112 TONE
4.7u35 16
+
R97 29
C113
220K 4.7u35 15
30
AVSS
+ 31
14
GNDL
R98
C114
220K 4.7u35 13
+
12
GNDR
R99
32
C115
220K 4.7u35 11
33
+ 10
GNDC
R100
C116
220K 4.7u35 9 34
+
R101
C117
220K 4.7u35 8 35
+
7
GND
R102
C118
220K 4.7u35
6 36
( 6 )
+
6.7V 5 37
+B AVDD AGND
-6.2V 4 38
( )
4
4.9V 3 39
( 3 )
2 MCU 40
I/F
1 41
42
+B
SURR. MODE
SELECTOR
L R
IC7
14
GND
R66 1K
15
( 4 ) CK
2 4 9 8 2 9 9
R91 1K
16 13
( 5 ) DATA ST
17 12
( 17 )
18 11
(
18 ) 6CH INPUT
19 10
20 LS RS
9
DSP
LS RS
21 8
P/L
22 7
23 C SW 6
( )
23 6CH
24 C SW
5
P/L
25
4
26 L R 3
6CH
27 L R 2
P/L
28 1
VDD VSS
-15.0V
+15V
15.0V
+15V
15V
2 1
CN8 WH1
I