CW
CY
DA
DC
DE
CX
CZ
DB
DD
DF
2
1
3
7
4
6
(X25-6133-00) (A/7)
G
H
O
M
N
J
(X25-604X-XX) (A/7)
B
IC82
IC83
IC23
(X25- ) (F/7)
(ROOM B CANCELS PHONO)
INPUT ATT.SEL.
VIEW)
(BOTTOM
BUFFER
ROOM A
E4
P2
AVR
D999
Q32
D
E
N
M
O
Q86
D89
10V AVR
-10V
B-MUTE
I
J
Q85
D87
(1/2)
IC1
ROOM B
PRE OUT(L)
PRE OUT(R)
ROOM B
D90
D91
-5.6V AVR
5.6V AVR
DIRECT(L)
DIRECT(R)
PRE OUT)
(ROOM B
B-MUTE
INPUT ATT
V
Q5
Q6
B PRE OUT(L)
ROOM B(R)
B PRE OUT(R)
D57
N
Q4
Q2
Q1
Q3
D39
D96
CN29
CN24
CN23
(4/4)
IC21
(3/4)
IC21
(2/4)
IC21
IC21
(1/4)
MONITOR
CD2/TAPE2
WH2
T
(2/2)
IC1
CN25
CN26
PHONO EQ AMP
CN32
CN28
CN22
G
J3
D55
D73
E2
E5
J1
L2
R1
Rch
PHONO
CN21
-16.5V
10.2V
-10.1V
-5.6V
5.6V
-16.5V
16.3V
16.3V
21.8V
10.9V
10.2V
ON:0.7V
OFF:-16.0
ON:0.7V
OFF:-16.0
OFF:-16.0V
ON:0.7V
OFF:-16.0V
ON:0.7V
OFF:-16.0V
ON:0.7V
ON:0.7V
OFF:-16.0V
-16.5V
16.3V
-10.0V
-10.7V
+10V
+10V
+10V
+10V
ATT2
ATT1
IN
OUT
PHONO
IN
TUNER
TUNER
(ROOM A)
OUT
OUT
(ROOM B)
C207 820P
C208 820P
Q5,6
W53
(-6dB)
(-3dB)
100P
+17V
-17V
-17V
-17V
+8V
+8V
+8V
+31V
+31V
+31V
-17V
-17V
-17V
-17V
-17V
-17V
-17V
3.3K
R416
W90
W92
W94
W96
+17V
-17V
-17V
-17V
-17V
1/4W
+17V
X25-B/7
-CN10
X11-B/7
2/6
X11-B/7
-CN2
2/6
4/6
X11-A/7
-CN1
X11-A/7
4/6
-CN3
X11-A/7
4/6
-CN4
+17V
+17V
+5V
+5V
+5V
+5V
+5V
5V
+5V
+5V
5V
+17V
-17V
-17V
+17V
-17V
+17V
-17V
+ C829 0.01
47u16
C827
R821
2.7K
+B
C818 10u50
+
C828
100u16
1/4W
16
+17V
+17V
+17V
+17V
+17V
+17V
+17V
+17V
+17V
+17V
-17V
-17V
-17V
-17V
+31V
10V
10V
-10V
+17V
+17V
+17V
+17V
CN14
3/6
X08-
X11-C/7
1/6
-CN7
R828 3.3K
+
C825 330u25
+
C831 100u
+
-10V
-17V
1/4W
R18 10
W50
1000P
1/4W
R224 1K
10u50
C816
+
C817 10u50
+
0.01
C812
0.01
C813
C814
0.047
0.047
C815
W122
W118
K1
1K
R223
R227
1K
C455 1000P
W115
W146
1/4W
R462
1K
2.2K
R222
W52
W47
W48
8
7
5
6
13
14
9
+
C204
3.3u50
+
3.3u50
C218
100K
R204
R203 100K
3.3u50
+
C203
+
3.3u50
C217
1K
R208
R207
1K
R209
1K
1K
R210
R218
1K
R217
1K
R220
1K
1K
R219
C704 1000P
R703
4.7K
1
2
GND
B-MUTE
-17V
BRch
BLch
+17V
GND
CEch
SLch
SRch
Lch
GND
Rch
GND
PREBRch
PREBLch
GND
DLch
GND
MUTE
D-GND
SEL-ST1
CLK
DATA
VOL-DAT
VOL-CLK
VOL-ST
DRch
TON-ST
17 18
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9 10
9
8
7
6
5
4
3
2
1
OUT IN
GND
OUT IN
GND
1
2
5
7
6
8
9
14
13
R226 1K
R225 1K
5
6
4
3
3
4
5
6
R214 1.6K
1.6K
R213
C212 47P
C211 47P
R205
R206 470K
470K
+
4.7u50
C214
C213 4.7u50
+
C205
0.01
C206
+
R201
R202
47u25
+
C210
C209
47u25
3.3K
R212
R211
3.3K
3.3K
3.3K
C202 470P
C201 470P
14
13
-
+
12
0.01
C11
3
+
1
2
-
4
+
5
7
-
6
8
-
9
+
11
10
28
29
1
3
2
5
4
6
8
9
7
10
11
12
13
11
10
12
14
15
13
2
1
4
3
5
7
6
9
8
9
8
7
6
5
4
3
2
1
9
7
6
8
5
4
3
2
9
7
8
5
6
3
4
2
1
1
D-GND
AUX
+8V
+17V
-17V
GND
+8V
17V
+17V
5V
+5V
10V
+10V
R215 4.3K
R17 10
R216 4.3K
100P
C227
5
6
7
4
9
10
11
8
13 12
R704 4.7
4
3
2
1
1
2
3
4
5
6
7
8
9
14
13
GND
STB
11
9
10
7
8
6
12
DATA
15
16
18
20
19
22
21
23
17
CLK
4
2
3
1
VSS
R
L
25
27
26
28
VDD
24
5
1K
R9
1K
R10
1000P
C13
C14
1000P
+
C18
10u50
+
10u50
C17
47K
R15
47K
R16
R19 220K
R20 220K
C1 100P
C2 100P
C12
1000P
+
+
C19
47u25
47u25
C20
R5
62K
62K
R6
C16
220P
220P
C15
100
R3
100
R4
+
+
+
+
100u10
C9
R7
360
100u10
C10
360
R8
3300P
0.012
C6
C8
C5
3300P
0.012
C7
220P
C23
180P
C22
180P
C21
R12
R14
22K
270K
270K
22K
R11
R13
+
-
1
8
3
2
-
+
7
4
6
5
10u50
C3
1K
R1
10u50
C4
1K
R2
GND
CLK
DAT
ST2
4
3
2
1
FRONT Rch
FRONT Lch
T2IN-Lch
T2IN-Rch
A-Lch
A-Rch
B-Rch
B-Lch
V1REC-Lch
V1REC-Rch
V2REC-Rch
V2REC-Lch
GND
-17V
+17V
-17V
V2REC-Lch
V2REC-Rch
VIREC-Rch
V1REC-Lch
GND
B-Lch
B-Rch
GND
A-Rch
A-Lch
GND
PRE Rch IN
PRE Lch IN
PRE Lch OUT
PRE Rch OUT
GND
NC
+17V
NC
19
20
11
12
13
14
15
16
17
18
10
9
8
7
6
5
4
3
2
1
5
4
3
2
1
R705
1.5K
220
TUNER Rch
GND
TUNER Lch
TO AD Rch
GND
TO AD Lch
GND
V-MUTE
FL-F1
FL-F2
ROOM-B
+5.6V
TON ST
VOL CLK
VOLST
SELST1
VOL DATA
D-GND
VST
DATA
CLK
SELST2
FAN-ON
MUTE
DATA
FAN-H/L
CLK
+5V
VST
TAPE-2
FRONT-C
FRONT-V
-5V
V-GND
FRONT-Y
GND
GND
GND
GND
1
3
2
R701
R706 220K
220K
R707
C702 100P
220
C701 100P
LINE: 200mV
6
7
8
9
10
11
12
13
14
15
C24
220P
200mV/47k
P1
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CAUTION: For continued safety, replace safety critical components only with manufacturer's rec-
ommended parts (refer to parts list). indicates safety critical components. For continued protec-
tion against risk of fire, replace only with same type and rating fuse(s). 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.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
KRF-V7771D(K)
SD2,2P(
98.12.8
19:08
y [ W 8
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
