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SCH21_FRONT
COMPONENT (Y)
GND LINE
POWER- LINE
POWER+ LINE
ANALOG AUDIO DIGITAL AUDIO
TMDS SIGNAL
VIDEO SIGNAL
ISELA
KEY2
FLRST
FLCE1
FLCLK
H/PL
MIC
A-7V
M3.3V
ISELB
KEY3
KEY1
H/PR
A+7V
MASTER
VOL
.
ENC
O
D
ER
BLUE
S.
BY
_G
_L
ED
H/P
SO
URC
E
SE
L.
ENC
O
D
ER
C
441
8
1/5
0
C
442
9
O
PE
N
C
443
0
100
N
-K
C
443
1
100
N
-K
R
445
5
100
K
D
440
6
O
PE
N
D
440
8
O
PE
N
C
444
0
O
PE
N
C
444
2
220
/6
.3
(8
*5
)
D
440
9
CD
S3
C
05
HD
M
I1
D
441
1
CD
S
3C
15
G
TA
D/MGND
VSELA
NC(DOORDET)
MICDET
P-DIRECTLED
FIL_CTRL
POWERKEY
FRONT_IRIN
H/PGND
MICGND
MICGND
NC(VAUXV)
MICGND
SWM3.3V
VSELA
ISELA
KEY2
MICDET
P_DIRECTLED
FIL_CTRL
FLRST
FLCE1
FLCLK
POWERKEY
FIRIN
H/PL
MIC
OPEN
OPEN
FIL1
OPEN
FIL2
A+7V
1R2
1R2
N/F
R4403
FIRIN
FLCLK
R4404
OPEN
R4403
0
R4410
0
R4409
OPEN
R4411
100
R4414
100
C4417
10N-K
C4416
10N-K
KEY3
KEY2
KEY1
SOUND MODE
STATUS
ZONE2 ON/OFF
DISPLAY
M-DAX
PURE DIRECT
P-DIRECT
GRN
RED
(
Φ
3.0)
R4438
OPEN
R4436
100
A+7V
A-7V
H/PDET
100N-K
C4434
OPEN
C4436
+DATA
VBUS
H/PGND
H/PDET
MIC
+7V
GND
+DATA
VBUS
PLT4401
NC(FOPT)
VSELB
H/PDET
NC(3DRED)
S.BY_GRN_LED
M-DAX_LED
FLDATA
S.BY_RED_LED
SWM5V(MZ)
H/PGND
D/MGND
D/MGND
VSELB
ISELB
KEY3
KEY1
H/PDET
M-DAXLED
FLDATA
S.BY_R_LED
S.BY_G_LED
H/PR
H/PGND
Vkk
100
N
-K
C
440
3
100
N
-K
C
440
2
A-7V
ZD4400
ZJ6.8B
C4408
100/63
D4400
1N4007 4R7(1)
R4402
U
0
0
100
R4400
OPEN
R4417
FLRST
FLDATA
FLCE1
R4488
10K
Q4413
RT1N241C
1/50
C4411
R4416
4K7
4K
7
R
441
5
R4413
100
R4412
100
RMC4400
R34ES9A
C4409
100N-K
22
K
R
449
6
Q
441
1
R
T1
N
141
C
R
450
1
O
PEN(
1W
)
R
450
0
27
K(1
W
)
C4454
10N-K
C4453
10N-K
100N-K
C4420
5.
1(
1W
)
R
450
2
STBY
SW
440
3
SW
440
6
SW
440
2
100
R4423
SW
440
5
SW
440
1
SW
440
0
SW
440
4
R4424
1K
R4420
100K
100
R4419
SW
440
8
SW
440
7
RED
39K
R4425
C4423
OPEN
R4429
100K
R4428
100
R4431
39K
S.
BY
_R
_L
ED
R4460
0
R4435
100
R4437
100
H/PL
H/PR
MIC
R
444
3
10
R4446
100
82
0
R
444
9
R4451
100
C4439
100P-J
GND
-DATA
MICGND
H/PL
H/PR
MICDET
!
560
R4453
BD4401
0
BD4400
0
C4449
1/50(3*5)
100
R4456
2K2
R4454
D4415
LBAS16HT1G
C4452
100N-K
GND
-DATA
VBUS
MIC
FROM
TRANS
UNI
T
4
2
3
1
C
P440
1
100
R4401
!
EC16B24
T01D4ZZ
Z
R
448
7
220
K
C4410
OPEN
R4421
100
100
R4422
Q4402
RT1N141C
4
2
5
1
3
6
USB_YS-UA-002-13
CP4402
ZJ5.1B
ZD4406
R
445
9
100
K
C
444
8
100
N
-K
R4444
0
TO
D
IG
ITA
L
UNI
T
E
C16B12
S
AAD4
ZZZ
100
P
-J
C
442
5
100
P
-J
C
442
6
D
440
7
O
PE
N
100
P
-J
C
442
7
7
4
5
6
2
3
1
8
CP4403
20010WS-08
R
445
2
2K
2
D
441
0
CD
S3
C
05
HD
M
I1
C
444
1
100
N
-K
C4401
10/16(3*5)
C4404
10/50
Vkk GND
VSELB
C4415
470P-J
C4414
470P-J
VSELA
ISELB
FUSE OPEN PROBLEM(16/01/18)
F500mAL/125V
R4410
POWERKEY
ZONE2_SELECT
INTERNET RADIO
M-DAX
R4440
OPEN
C4437
82P-J
R4445
47K
R4447
18K
D4414
LBAS16HT1G
FROM
DIGITAL_CNT
C4400
10/16(3*5)
2
1
3
VE
C
440
1
ISELA
C4413
470P-J
R4407
4K7
4K7
R4406
C4412
470P-J
C4419
100/10
R4418
100
C4407
10/50
2SC3052
Q4409
ZD
440
1
ZJ22
B
ZD
440
2
ZJ15
B
F4400
6125FF500-R
Q
440
0
KT
C
1027
Y
P_DIRECTLED
Q4404
RT1N141C
M-DAXLED
R4432
OPEN
BZ-BB43V4V
LED4401
BL-BUF4V5K-1-HS-NP-AV
LED4400
OPEN
D4402
D4403
OPEN
OPEN
D4404
D4405
OPEN
NR1607 FRONT B`D
R4433
390
R4439
300
Q4406
RT1N141C
Q4408
RT1N141C
Q4407
RT1N441C
C4424
10N-K
10
R4442
R4441
39K
C4435
100N-K
ZJ5.1B
ZD4404
R4448
OPEN
MICDET
USB B'D
1N-J
C4444
C4443
1N-J
100/10(6.3*5)
C4438
R
445
0
4K
7
BD4402
CB05YTYH221
C4451
100N-K
LBAS16HT1G
D4413
LBAS16HT1G
D4412
1
4
5
2
PJ-323A-4
JACK4400
4K7
R4408
R4405
4K7
RT1P141C
Q4401
2
1
3
VEC
440
0
KTC1027Y
Q4412
R4426
150
150
R4427
R4430
220
2SC3052
Q4405
2SC3052
Q4403
LED4402
WEJ3290W-R2H0-BA
R4434
10K
ZD
440
3
O
PE
N
C
442
8
1000
N
-Z
ZJ5.1B
ZD4405
5
6
8
7
IC4400:B
NJM4580CG
C4446
10/16(3*5)
MP
6
7
8
9
5
1
2
3
4
JACK4401
PJ-612A-9
1
2
3
4
5
6
CN4401
540MM/6P
1
3
5
7
9
11
33
35
37
39
12
14
16
18
20
22
24
26
28
30
32
17
15
13
19
21
27
25
23
31
29
4
2
8
6
10
34
36
38
40
CP4400
1.0-11S-40PW
7
4
5
6
2
3
1
8
CN4400
300MM/8P
Mic, H/P B'D
INSULATED FROM THE SUPPLY CIRCUIT ) BEFORE
3
2
4
1
NJM4580CG
IC4400:A
THE APPLIANCE RETURNED TO THE CUSTOMER.
CARRIED OUT ( EXPOSED PARTS ARE ACCEPTABLY
TO REDUCE THE RISK OF ELECTIC SHOCK, LEAKAGE
INDICATES SAFETY CRITICAL COMPONENTS.
L1_T4400
OPEN
CURRENT OR RESISTANCE MEASUREMENTS SHALL BE
2
Q
18
G
4
17
G
7
TS
A
8
D
A
9
C
P
10
C
S
12
O
SC
14
VH
16
LG
N
D
1
F1
5
18
G
3
Q
17
G
6
TS
B
13
VD
D
15
PG
N
D
11
RESE
T
17
F2
MUTE
PCM
DIG.
dB
Z2
AUTO
DIGITAL
S.BACK
dts
TUNED STEREO
SLEEP
ANA.
HDMI
ANALOG
S
D
R
Y
E
S
S
Y
D
U
A
FRONT 1/1
REF: 4400-4599
CN4401
CP4400
30
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating