SCH14_DIFF-AMP
STBY POWER
GND LINE
POWER- LINE
POWER+ LINE
ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL
ANALOG VIDEO
FL
SL
CEN
SR
FR
FROM DIGITAL B'D
AVR-S700W/X1100W/S710W/X1200W/S720W/X1300W DIFF-AMP PART
FL_IN
SL_IN
CEN_IN
SR_IN
FR_IN
1.25mm 15PIN B'D TO B'D
SBL
SBR
SBL_IN
SBR_IN
1.FB_SL
2.FB_SL
3.PRE_-B
4.PRE_-B
5.SL
6.SL
7.AGND
1.FB_FL
2.FB_FL
3.PRE_-B
4.PRE_-B
5.FL
6.FL
7.AGND
1.FB_CEN
2.FB_CEN
3.PRE_-B
4.PRE_-B
5.CEN
6.CEN
7.AGND
1.FB_SR
2.FB_SR
3.PRE_-B
4.PRE_-B
5.SR
6.SR
7.AGND
1.FB_FR
2.FB_FR
3.PRE_-B
4.PRE_-B
5.FR
6.FR
7.AGND
1.FB_SBR
2.FB_SBR
3.PRE_-B
5.SBR
7.AGND
T
O
M
A
IN
B
'D
FR
O
U
T
T
O
M
A
IN
B
'D
SB
L
O
U
T
T
O
M
A
IN
B
'D
SB
R
O
U
T
T
O
M
A
IN
B
'D
FL
O
U
T
T
O
M
A
IN
B
'D
SL
O
U
T
T
O
M
A
IN
B
'D
C
EN
O
U
T
T
O
M
A
IN
B
'D
SR
O
U
T
6.SBR
4.PRE_-B
BIAS TR PART
1.FB_SBL
2.FB_SBL
3.PRE_AGND
4.PRE_AGND
5.SBL
6.SBL
7.AGND
1.B
2.C
3.E
BK202
PR
E_
A
GN
D
PR
E_
-B
4.
A
GN
D
6.
A
GN
D
8.
A
GN
D
10
.A
GN
D
3.
SR
5.
C
EN
7.
SL
9.
FL
11
.S
B
R
15
.+
12
V
12
.A
GN
D
14
.A
GN
D
13
.S
B
L
1.
FR
2.
A
GN
D
T
O
M
A
IN
B
'D
SAME BLOCK * 7
C2101
C2201
10uF/100V
*OPTION
AVR-S700W/X1100W
AVR-S710W/X1200W
C2301
C2401
C2501
C2601
C2701
10uF/100V 10uF/100V 10uF/100V 10uF/100V 10uF/100V 10uF/100V
47uF/50V
47uF/50V
47uF/50V
47uF/50V
47uF/50V
47uF/50V
47uF/50V
*OPTION
*OPTION
*OPTION
*OPTION
*OPTION
*OPTION
*OPTION
AVR-S720W/X1300W
C
210
5
50
V
/220
uF
R2109 33K
R2108 470K
R2107
220
R
211
1
O
PE
N
R
211
0
1W
/4
7
R
210
6
1W
/1
.2
K
C2106 33pF
C2104
2200pF(M)
C2103
82pF
R
210
4
18
K
R
210
5
1.
2K
C
210
2
100
V
/470
pF
(M
)
R2102
680
C2101
50V/47uF
J2101
OPEN
R2103
10K
C
220
5
50
V
/220
uF
R2209 33K
R2208 470K
R2207
220
R
221
1
O
PE
N
R
221
0
1W
/4
7
R
220
6
1W
/1
.2
K
C2206 33pF
C2204
2200pF(M)
C2203
82pF
R
220
4
18
K
R
220
5
1.
2K
C
220
2
100
V
/470
pF
(M
)
R2202
680
C2201
50V/47uF
J2201
OPEN
R2203
10K
C
230
5
50
V
/220
uF
R2309 33K
R2308 470K
R2307
220
R
231
1
O
PE
N
R
231
0
1W
/4
7
R
230
6
1W
/1
.2
K
C2306 33pF
C2304
2200pF(M)
C2303
82pF
R
230
4
18
K
R
230
5
1.
2K
C
230
2
100
V
/470
pF
(M
)
R2302
680
C2301
50V/47uF
J2301
OPEN
R2303
10K
C
240
5
50
V
/220
uF
R2409 33K
R2408 470K
R2407
220
R
241
1
O
PE
N
R
241
0
1W
/4
7
R
240
6
1W
/1
.2
K
C2406 33pF
C2404
2200pF(M)
C2403
82pF
R
240
4
18
K
R
240
5
1.
2K
C
240
2
100
V
/470
pF
(M
)
R2402
680
C2401
50V/47uF
J2401
OPEN
R2403
10K
C
250
5
50
V
/220
uF
R2509 33K
R2508 470K
R2507
220
R
251
1
O
PE
N
R
251
0
1W
/4
7
R
250
6
1W
/1
.2
K
C2506 33pF
C2504
2200pF(M)
C2503
82pF
R
250
4
18
K
R
250
5
1.
2K
C
250
2
100
V
/470
pF
(M
)
R2502
680
C2501
50V/47uF
J2501
OPEN
R2503
10K
R
210
1
100
K
R
220
1
100
K
R
230
1
100
K
R
240
1
100
K
R
250
1
100
K
D2101
OPEN
D2201
OPEN
D2301
OPEN
D2401
OPEN
D2501
OPEN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN201
C
280
0
50
V
/10
uF
Q2103
KSC1845F
Q2203
KSC1845F
Q2303
KSC1845F
Q2403
KSC1845F
Q2503
KSC1845F
Q2101
KSA992F
Q2201
KSA992F
Q2301
KSA992F
Q2401
KSA992F
Q2102
KSA992F
Q2202
KSA992F
Q2302
KSA992F
Q2402
KSA992F
Q2502
KSA992F
Q2501
KSA992F
7
5
6
4
3
1
2
C
N
51
A
7
5
6
4
3
1
2
C
N
52
A
7
5
6
4
3
1
2
C
N
53
A
7
5
6
4
3
1
2
C
N
54
A
7
5
6
4
3
1
2
C
N
55
A
7
5
6
4
3
1
2
C
N
56
A
7
5
6
4
3
1
2
C
N
57
A
C
260
5
50
V
/220
uF
R2609 33K
R2608 470K
R2607
220
R
261
1
O
PE
N
R
261
0
1W
/4
7
R
260
6
1W
/1
.2
K
C2606 33pF
C2604
2200pF(M)
C2603
82pF
R
260
4
18
K
R
260
5
1.
2K
C
260
2
100
V
/470
pF
(M
)
R2602
680
C2601
50V/47uF
J2601
OPEN
R2603
10K
C
270
5
50
V
/220
uF
R2709 33K
R2708 470K
R2707
220
R
271
1
O
PE
N
R
271
0
1W
/4
7
R
270
6
1W
/1
.2
K
C2706 33pF
C2704
2200pF(M)
C2703
82pF
R
270
4
18
K
R
270
5
1.
2K
C
270
2
100
V
/470
pF
(M
)
R2702
680
C2701
50V/47uF
J2701
OPEN
R2703
10K
R
260
1
100
K
R
270
1
100
K
D2601
OPEN
D2701
OPEN
Q2603
KSC1845F
Q2703
KSC1845F
Q2601
KSA992F
Q2602
KSA992F
Q2702
KSA992F
Q2701
KSA992F
1
2
3
BN51A
(3P,2MM,50MM,#24)
Q2104
KTC3114A
BK204
CMD1A387-V1
BK202
CMD1A387-V1
BK201
CMD1A569-V1
BK203
CMD1A569-V1
C
290
1
O
PE
N
C
290
2
O
PE
N
C
290
5
O
PE
N
C
290
6
O
PE
N
C
290
0
O
PE
N
C
290
3
O
PE
N
C
290
4
O
PE
N
C
290
7
O
PE
N
J2404
OPEN
J2504
OPEN
J2304
OPEN
J2204
OPEN
J2104
OPEN
J2604
OPEN
J2704
OPEN
J2605
OPEN
J260
6
J290
1
O
PE
N
J290
2
O
PE
N
J290
3
O
PE
N
J290
4
O
PE
N
Point A
Point B
12V
0.6V
-56.6V
-56.8V
-56.1V
Point A
Point B
Measurement condition
・
Voltage measurement
No signal
・
Waveform measurement
INPUT: 200mVrms / 1KHz (ANALOG)
Surround mode: MCh Stereo
VOL: 70
Speaker load: 8ohms
CN201
CN51A
CN52A
CN53A
CN54A
CN55A
CN56A
CN57A
20
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating