CC
CE
CG
CI
CK
CD
CF
CH
CJ
CL
2
1
3
7
4
6
G
(X11-3800-XX) (A/7)
A
(X11-3813-00) (A/7)
IC1
IC2
IC42
D13
PLAY IN
DRIVE
B-MUTE
-20dB ATT
DRIVE
DRIVE
SW-MUTE
DRIVE
S-MUTE
BOOST(R)
LOW
BOOST(L)
(BYPASS TONE)
LOW BOOST)
SELECTOR
(DIRECT DAC
INPUT SEL.
INPUT SEL.
Lch
Rch
BUFFER
(1/2)
IC49
(2/2)
IC49
BUFF
REC OUT
(2/2)
IC3
IC3
(1/2)
Q17
Q19
Q21
Q23
Q15
A-MUTE
DRIVE
Q20
Q22
Q24
Q16
Q18
Rch
LOW
(1/2)
IC47
(2/2)
IC47
(1/2)
IC48
(2/2)
IC48
Lch
CD1
CD2/TAPE2
REC OUT
CN3
E2
E1
Lch 2
Rch 1
Rch 3
J2
Lch 6
OFF:4.9V
ON:1.8V
OFF:4.9V
ON:1.8V
OFF:4.9V
ON:1.8V
OFF:4.9V
ON:1.8V
ON:1.8V
OFF:4.9V
OFF:15.5V
ON:14.2V
OFF:15.5V
ON:14.2V
OFF:15.5V
ON:14.2V
OFF:15.5V
ON:14.2V
ON:14.2V
OFF:15.5V
ON:15.4V
OFF:-15.9V
ON:15.4V
OFF:-15.9V
ON:15.4V
OFF:-15.9V
ON:15.4V
OFF:-15.9V
ON:15.4V
OFF:-15.9V
-16.5V
16.3V
16.3V
-16.5V
16.3V
-16.5V
15.5V
2.5V
-16.5V
16.3V
-16.5V
16.3V
-16.5V
16.3V
-16.5V
16.3V
C326
C325
R541 3K
3.9K
R543
51
2
+
C350
0.1u50
R355 1.5K
R359 10K
+17V
17V
17V
+17V
17V
+17V
4
C12
R24
17V
+17V
+17V
17V
17V
6
5
7
3/6
X08-
CN12
25
4
+17V
+17V
17V
17V
X11-C/7
-CN5
1/6
IC42
10K
1.2K
10u50
IN
T2
REC
CD2/T2
REC
IN
AV AUX
T2 PLAY
CD1
T2
SL
T1
PLAY
PLAY
OUT
OUT
A ROOM B
CD
T2 PLAY
AV AUX
PLAY
T2
OUT
A ROOM B
IN
REC
CD2/T2
17V
17V
17V
+17V
+17V
+17V
17V
+17V
DAC
0.01
150P
C524
C509
0.033
0.033
C510
13
14
15
13
12
6
14
R27
100
100
R28
C26
+
47u25
47u25
C25
+
100P
C28
C27 100P
5
6
4
-
+
7
-
+
1
8
2
3
2
6
1
9
4
L BOOST
F.LARGE
+17V
R542
3K
3.9K
R544
150P
+
C349 10u50
R349 1.2K
+
C345 10u50
15
C346
+
+
C348 3.3u50
1.2K
R353
10u50
C347
+
R341 1.2K
R352
68K
R354
10K
R356
10K
R342
R350 68K
R351
C14
C13
C17
100P
470K
+17V
R358 6.8K
4.7K
R357
R25 470K
R26 470K
470K
100P
150P
C16
0.01
0.01
150P
17V
R21
C11
4
25
3
4
2
1
0.01
C508 0.033
10K
R508
R504
18K
R502
33K
33K
R506
C504 0.1
C502 0.1
C506 0.1
10K
R512
C512 0.1
C514 0.1
C516 0.022
R510 10K
C523
C501 0.1
C503 0.1
C505 0.1
C507 0.033
33K
R505
18K
33K
R501
R503
R507
10K
10K
R511
R509 10K
2
4
+
3
-
7
+
-
6
5
6
8
9
5
6
7
3
4
2
1
17V
17V
C339 100P
R346 470K
R347 470K
R348 470K
0.01
C522
150P
C521
100P
C534
3.9K
R536
C533 100P
R535 3.9K
R538
100
100
R537
1
8
3.9K
R533
47u16
C532
+
+
47u16
C531
-17V
-17V
+17V
+17V
+17V
C541 0.01
C542 150P
100K
R532
R531 100K
R534
3.9K
2
3
+
-
1
7
8
6
4
+
5
-
R199
+17V
C515 0.022
C513 0.1
C511 0.1
+17V
1K
R197 1K
R196 1K
R198 1K
-17V
+17V
17V
+17V
12
13
14
15
-
+
1
4
2
3
+
-
7
8
5
6
15
1
14
2
13
3
12
4
11
5
10
6
9
7
8
8
7
9
6
10
5
11
4
12
3
13
2
14
15
1
CLK
16
17
DATA
18
19
15
20
21
23
24
22
25
26
27
28
VDD
OUT
SURR. FRONT
STB
14
12
13
11
10
GND
TONE
BYPASS
DIGITAL
9
8
6
5
7
CONF2
DIRECT
L
R
4
3
VSS
2
1
CLK
17
16
19
18
15
14
12
13
ST
11
10
GND
DATA
21
20
24
23
22
26
25
28
27
9
8
6
5
7
4
3
2
1
VSS
VDD
VOL IN SR
DATA
GND
CLK
VOL IN SL
TONE-STB
GND
VOL-STB
VOL IN SW
DGND
S-MUTE
B-MUTE
VOL IN C
-B
GND
+B
VOL IN R
TONE OUT Lch
GND
GND
VOL IN L
TONE IN Lch
SW-MUTE
GND
20dB ATT
TONE IN Rch
A-MUTE
GND
B-MUTE
TONE OUT Rch
+17V
D-GND
SEL STB
SEL SCLK
SEL DATA
TONE. VOL-DATA
TONE. VOL-SCLK
VOL-STB
TONE-STB
9
8
7
6
5
4
3
2
1
15
16
CLK
DATA
GND
13
STB
14
17
18
19
REC
T2
20
21
22
23
OUT
12
11
10
8
9
7
6
24
26
25
SR
T2
PLAY
5
3
7
8
27
28
VDD
5
3
4
2
1
VSS
IN
C1
220
220
220P
220P
C4
1K
220P
C3
R2
R1
R6
R20
220K
R19
220K
1K
220P
C10
1K
220K
R4
R3
220K
220K
R8
R7
C2
220P
C9
R17
X
X
X
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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 6
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