SCH18 FRONT
STBY POWER
ANALOG AUDIO
DIGITAL AUDIO
TMDS SIGNAL
GND LINE
POWER- LINE
POWER+ LINE
0
RED
GND
GND
H/P
Vkk
ENCODE
R
S
.BY
_R
_L
E
D
H
/P
D
E
T
D
440
6
O
PE
N
100
N
-K
C
443
0
R4467
100
GND
C
444
0
O
PE
N
R
445
2
2K
2
ENCODE
R
R
441
6
4K
7
100
P
-J
C
442
7
D/
M
G
N
D
D
441
1
CD
S
3C
15G
TA
NC
NC
NC
NC
OPEN
OPEN
OPEN
VSELB
ISELB
ISELA
KEY3
KEY2
S.BY_G_LED
M-DAXLED
FLDATA
S.BY_R_LED
SWM5V
FIRIN
H/PR
H/PL
BASS_A
BAL_A
U
0
FLCE1
R4412
100
C4410
OPEN
VSELA
ISELA
ISELB
KEY3
STBY
R4439
300
C4436
10N-K
R4438
OPEN
R4436
100
SWM3.3V
C4432
470P-J
H/PR
H/PL
-DATA
+DATA
VBUS
H/PR
H/PL
USB B'D
C4451
100N-K
GND
-DATA
+DATA
VBUS
NC
FIL2
FIL1
Vkk GND
TP4000
VSELA
KEY1
H/PDET
FLRST
POWERKEY
FLCE1
FLCLK
H/PGND
BASS_B
BAL_B
ZD4400
ZJ6B8
4R7(1)
R4402
R4401
100
D4400
1N4007
1R2
1R2
R4403 R4410
N/F/K
SOURCE
SE
L.
R4417
OPEN
FIRIN
C4407
10/50(5*11)
FLCLK
FLDATA
R4488
10K
Q4413
RT1N241C
ZD4401
ZJ22B
1/
50
(5
*11
)
C
441
1
R4404
OPEN
R4403
0
R4410
0
R4409
OPEN
R4411
100
R4414
100
R34ES9A
RMC4400
VSELB
C4417
10N-K
C4454
10N-K
C4453
10N-K
100N-K
C4420
R4418
100
KEY2
KEY1
D/MGND
SOUND MODE
S
W
440
2
STATUS
S
W
440
1
S
W
440
5
100
R4422
ZONE2 ON/OFF
R4421
100
S
W
440
0
S
W
440
4
R4424
1K
M-DAX
100
R4419
D4402
OPEN
R4420
100K
S
W
440
8
SPEAKER
S
W
440
7
R4430
220
OPEN
C4423
R4425
39K
S
.BY
_G
_L
E
D
100K
R4429
D4404
OPEN
100
R4428
RED
LE
D
440
2
W
E
J3290W
-R
2H
0-BA
R4431
39K
BA
LANCE
ENCODE
R
4K7
R4454
R4451
4K7
ENC
O
DE
R
TREB
LE
R4447
4K7
4K7
R4445
R4464
10K
R4435
100
C4434
470P-J
C4433
470P-J
C4421
470P-J
C4422
470P-J
HP DET
R4470
3K3
D
440
7
O
PE
N
D
440
8
O
PE
N
BAL_A
BAL_B
R4461
10K
OPEN
R4462
H/PGND
C4459
100N-K
R4463
10K
R
444
3
10
C
442
9
O
PE
N
100
N
-K
C
443
1
H/PGND
H/PDET
C
444
1
100
N
-K
C
444
2
220
/6
.3(8
*5
)
H/PL
1000P-J
C4443
C4444
1000P-J
BD4401
0
BD4402
CB05YTYH221
BD4400
0
GND
FROM
TRANS
UNI
T
100
R4400
EC
16
B24T01D4ZZ
Z
M
ASTER
V
O
L.
ZJ15B
ZD4402
Q4400
KTC1027Y
R
441
5
4K
7
100
R4413
R
T1
N
141
C
Q441
1
R
450
0
27
K
(1
W)
C4416
10N-K
R
450
2
5R
1(
1W)
S
W
440
3
100
R4423
D/
M
G
N
D
RT1N141C
Q4408
R4456
4K7
BASS
ENCODE
R
4K7
R4449
R4460
0
R4437
100
C4435
470P-J
100
P
-J
C
442
6
RT1N141C
Q4415
100
P
-J
C
442
5
H/PR
D
441
0
CD
S
3C
05
HD
M
I1
D
440
9
CD
S
3C
05
HD
M
I1
0
R4444
EC
16
B12
SAA
D
4ZZ
Z
OPEN
CN4400
A2001-WV3
CP4403
5P_310MM_2MM
CN4401
D/MGND
VSELB
GRN LED
M-DAX_LED
FLDATA
RED_LED
H/PGND
BASS_A
TREBLE_A
BAL_A
D/MGND
TREBLE_A
F500mAL/125V
POWERKEY
M-DAXLED
SWM5V
SWM3.3V
FLRST
R4433
390
(Ø 3.0)
100
R4450
100
R4448
TREBLE_A
C4457
10N-K
TREBLE_B
BASS_A
39K
R4441
H/PGND
ISELB
KEY1
KEY2
KEY3
ISELA
VSELA
FLRST
H/P_DET
SWM5V
FLCLK
FLCE1
H/PL
VGND
H/PGND
BASS_B
M3.3V
SWM3.3V
TREBLE_B
BAL_B
R4405
4K7
4K7
R4408
P_DIRECTLED
CPU_POWER2
C4409
100N-K
M3.3V
TREBLE_B
R4487
220K
10/50(5*11)
C4404
100/63(8*12)
C4408
1/
50
(5
*11
)
C
441
8
100N-K
C4403
100N-K
C4402
MF2410F0.500TM
F4400
AREA OPTION
C4415
470P-J
SWM3.3V
C4413
470P-J
C4412
470P-J
ZONE2_SOURCE
S
W
440
6
PRESET-
150
R4427
DIMMER
R4426
150
P_DIRECTLED
Q4402
RT1N141C
OPEN
R4432
LED4400
BL-BUF4V5K-1-HS-NP-AV-FP3.5-TB
SWM3.3V
D4403
OPEN
2SC3052
Q4403
Q4409
2SC3052
Q4412
KTC1027Y
100
R4455
GREEN
100
R4459
100
R4453
100
R4446
P-DIRECT
BZ-BB43V4V
LED4401
BLUE
C4424
OPEN
R4434
10K
OPEN
D4405
2SC3052
Q4405
C4461
10N-K
C4460
10N-K
C4455
10N-K
C4456
10N-K
BASS_B
RT1N141C
Q4416
BD4403
0
BD4405
0
OPEN
R4458
ZD
440
3
O
PE
N
C
442
8
1U
-K
OPEN
R4440
H/P B'D
H/PR
DIGITAL (6/11
M7
)
R4407
4K7
4K7
R4406
RT1P141C
Q4401
R
449
6
22
K
A2505-WR07_2.5MM
C4414
470P-J
100
/10
(5
*11
)
C
441
9
R
450
1
O
PE
N
(1
W
)
Q4406
RT1N141C
E
C
121102
F2
B
-H
A
1-
02
7
VE
C
440
4
E
C
121102
F2
B
-H
A
1-
02
7
VE
C
440
3
VE
C
440
2
E
C
121102
F2
B
-H
A
1-
02
7
Q4407
RT1N441C
C4462
10N-K
R4442
10
LUG4400
1P_70MM
1.0-11S-40PW
CP4400
A02F-YEY-043-YY
CP4402
SPK_F-CNT (SPK
1
/3
B7
)
DIGITAL (10/11
A7
)
E
C
16
B
12
SAA
D
4ZZ
Z
VE
C
440
0
Q4404
RT1N141C
P-DIRECTLED
CPU_POWER2
POWERKEY
D4413
LBAS16HT1G
D4412
LBAS16HT1G
E
C
16
B
24
T01
D
4
VE
C
440
1
FRONT_IRIN
FRONT B'D
FRONT 1/1
CN4401
CP4400
CP4403
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
26