SCH18_FRONT
CMPONENT(Y)
ANALOG AUDIO
DIGITAL AUDIO
TMDS SIGNAL
VIDEO SIGNAL
GND LINE
POWER- LINE
POWER+ LINE
STBY POWER
KEY2
NC
NC
NC
FLCE1
FLCLK
H/PL
MIC
A-7V
M3.3V
KEY3
ISELB
KEY1
H/PR
VGND
A+7V
M
ASTER
V
O
L.
ENC
O
DE
R
S
.BY
_G
_L
E
D
H/P
S
O
URCE
SE
L.
ENCO
DE
R
C
441
8
1/
50
C
442
9
O
PE
N
C
443
0
100
N
-K
C
443
1
100
N
-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
S
3C
05
HD
M
I1
D
441
1
CD
S
3C
15G
TA
NET_FACT_RESET
VSELA
ISELA
P-DIRECTLED
CPU_POWER2
FLRST
POWERKEY
FRONT_IRIN
H/PGND
MICGND
MICGND
MICGND
MICGND
SWM3.3V
VSELA
ISELA
KEY2
P_DIRECTLED
CPU_POWER2
FLRST
FLCE1
FLCLK
POWERKEY
FIRIN
H/PL
MIC
OPEN
OPEN
FIL1
OPEN
FIL2
A+7V
1R2
1R2
N/F/K
R4403
FIRIN
M3.3V
FLRST
FLCLK
R4404
OPEN
R4403
0
R4410
0
R4409
OPEN
R4411
100
R4414
100
M-DAX
C4417
10N-K
C4416
10N-K
KEY3
KEY2
KEY1
SOUND MODE
STATUS
ZONE2 ON/OFF
DISPLAY
PURE DIRECT
GRN
RED
(¥Õ 3.0)
D/MGND
R4460
0
R4436
100
SWM3.3V
R4465
10K
A+7V
A-7V
MIC
100P-J
C4434
C
445
6
1/
50
SWM3.3V
47N-K
C4436
R4448
OPEN
MICDET
47N-K
C4457
0
BD4405
+DATA
VBUS
H/PGND
H/PDET
MIC
+7V
100
R4456
OPEN
C4458
LBAS16HT1G
GND
+DATA
VBUS
1P WIRE
D/MGND
VSELB
H/P_DET/MIC_DET
GRNLED
M-DAX_LED
FLDATA
RED_LED
SWM5V
H/PGND
D/MGND
VSELB
ISELB
KEY3
KEY1
HP/MIC_DET
M-DAXLED
FLDATA
S.BY_R_LED
S.BY_G_LED
H/PR
H/PGND
SWM5V
Vkk
100
N
-K
C
440
3
100
N
-K
C
440
2
A-7V
C4408
100/63
ZD4400
ZJ6.8B
D4400
1N4007 4R7(1)
R4402
U
0
0
100
R4400
OPEN
R4417
FLDATA
FLCE1
Q4413
RT1N241C
R4488
10K
1/50
C4411
R4416
4K7
4K
7
R
441
5
R4413
100
R4412
100
S
W
440
8
S
W
440
5
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(
1W
)
C4454
10N-K
C4453
10N-K
100N-K
C4420
Q441
9
R
T1
N
141
C
Q442
1
R
T1
N
141
C
5.
1(
1W
)
R
450
2
STBY
S
W
440
3
100
R4423
S
W
440
2
S
W
440
6
S
W
440
1
S
W
440
4
S
W
440
0
R4424
1K
R4420
100K
100
R4419
S
W
440
7
RED
39K
R4425
C4423
OPEN
R4429
100K
R4428
100
R4431
39K
S
.BY
_R
_L
E
D
R4438
OPEN
R4437
100
R4435
100
R4457
3K9
H/PL
H/PR
R
444
3
10
C
445
5
1/
50
ZJ5.1B
ZD4404
R
447
1
47
K
MIC DET
Q4416
RT1N141C
R
446
2
O
PE
N
R
446
1
4K
7
R4446
100
R
447
3
O
PE
N
C
445
9
100
N
-K
0
BD4403
R
446
7
10
0
R
446
3
4K
7
R
446
9
10
K
C
444
7
33
P
-J
R4451
100
1K
R
444
9
Q4418
OPEN
R
447
2
O
PE
N
C4439
100P-J
GND
-DATA
MICGND
H/PL
H/PR
MICDET
560
R4453
BD4401
0
BD4400
0
BD4450
CB05YTYH221-2012
C4449
10/50(5*11)
2K2
R4454
C4452
100N-K
LBAS16HT1G
D4415
100N-K
C4460
D4416, D4417
OPEN
GND
-DATA
MIC
LUG401
OPEN
FR
O
M
T
RA
NS
UNI
T
100
R4401
EC
16
B24T01D4ZZ
Z
R
448
7
220
K
C4410
OPEN
100
R4422
R4421
100
Q4402
RT1N141C
M
ICD
E
T
ZJ5.1B
ZD4405
100
R4470
Q4417
RT1N141C
USB_YS-UA-002-13
CP4402
ZJ5.1B
ZD4406
R
445
9
O
PE
N
R
447
4
100
K
R4444
0
D4417
LBAS16HT1G
TO DIGITAL
UN
IT
EC
16
B12
SAA
D
4ZZ
Z
100
P
-J
C
442
7
100
P
-J
C
442
6
100
P
-J
C
442
5
D
440
7
O
PE
N
7
4
5
6
2
3
1
8
CP4403
SC52137-081A
C
444
1
100
N
-K
D
441
0
CD
S
3C
05
HD
M
I1
R
445
2
2K
2
NET_FACT_RST
M3.3V
C4401
10/16(3*5)
C4404
10/50
Vkk GND
VSELB
C4415
470P-J
C4414
470P-J
VSELA
ISELB
INTERNET RADIO
FACTORY_RESET
SWM3.3V
F500mAL/125V
R4410
POWERKEY
ZONE2_SELECT
M-DAX
MIC & HP DET SECTION
HP/MIC_DET
R4440
OPEN
D/MGND
H/PDET
HP DET
C4437
33P-J
R4445
47K
R4447
33K
100N
NR1609 N1SG
FROM
DIGITAL_CNT
C4400
10/16(3*5)
VE
C
440
1
ISELA
C4413
470P-J
R4407
4K7
C4412
470P-J
4K7
R4406
C4419
100/10
R4418
100
RT1P141C
Q4401
Q442
3
R
T1
N
141
C
Q442
0
R
T1
P
441
C
Q442
4
R
T1
N
141
C
Q442
5
R
T1
P
441
C
C4407
10/50
2SC3052
Q4409
ZD
440
1
ZJ
22
B
ZD
440
2
ZJ
15
B
P_DIRECTLED
Q4404
RT1N141C
M-DAXLED
BZ-BB43V4V
LED4401
BL-BUF4V5K-1-HS-NP-AV
LED4400
R4432
OPEN
D4403
OPEN
D4405
OPEN
OPEN
D4402
OPEN
D4404
Q4408
RT1N141C
Q4406
RT1N141C
R4433
390
R4439
300
R4464
3K3
Q4414
RT1N141C
C4424
10N-K
Q4407
RT1N441C
10
R4442
R4441
39K
R
445
8
O
PE
N
R4468
10K
C
443
5
O
PE
N
C4445
33P-J
C
444
8
100
N
-K
USB B'D
1N-J
C4444
C4443
1N-J
100/10(6.3*5)
C4438
R
445
0
10
K
BD4402
CB05YTYH221
LBAS16HT1G
D4412
LBAS16HT1G
D4413
C4451
100N-K
LBAS16HT1G
D4414
1
4
5
2
PJ-323A-4
JACK4400
LBAS16HT1G
D4416
OPEN
OTHERS
C4460
4K7
R4408
R4405
4K7
VE
C
440
0
Q442
2
R
T1
P
441
C
Q442
6
R
T1
P
441
C
KTC1027Y
Q4412
R4426
150
150
R4427
R4430
220
2SC3052
Q4405
2SC3052
Q4403
LED4402
WEJ3290W-R2H0-BA
R4466
4K7
R4434
10K
ZD
440
3
O
PE
N
C
442
8
1000
N
-K
Q4415
RT1N141C
C4450
10/50
C4446
10/16(3*5)
R
445
5
100
K
CN4401
390MM/5P
CP4400
1.0-11S-40PW
7
4
5
6
2
3
1
8
CN4400
90MM/8P
Mic, H/P B'D
NR1609 & NR1509 FRONT B`D
CP4400
CN4401
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
26