HCD-DH50R/DH70SWR
HCD-DH50R/DH70SWR
38
38
• See page 48 for IC Block Diagrams.
5-12. SCHEMATIC DIAGRAM - MAIN Section (2/3) -
8.6
1.3
1.3
3.3
4.9
4.9
4.9
9
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
3.3
3.3
9
0.1
0.6
0.6
0
3.3
8.9
5
3.3
5
4.9
4.9
4.9
4.5
3.3
3.3
9
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
0
0
3.3
3.3
8.2
0
0.6
0
3.3
0
0
9.3
4.6
4.1
0
4.6
0
3.3
3
9
0
0.6
0
3.3
3.3
3.3
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
BD3499FV-E2
IC500
1k
R568
10k
R567
ISA1235AC1TP-1EF
SYSTEM PROTECT
MONITOR
SYSTEM PROTECT
MONITOR
Q563
MA2J1110GLS0
D562
0.01
C562
DGND
4.7k
0
0
R513
4.7k
R514
470p
C51
1
470p
C512
NJM4558M-TE2
IC501
2SC5938-T112-1B
MUTING
Q573
2SC5938-T112-1B
MUTING
Q574
47k
R576
47k
R575
RT1P141C-TP-1
Q571
MUTING CONTROL
Q571, 572
R542
15k
R541
15k
R549
1.2k
C591
0.1
1
2
3
4
5
6
7
8
9
10
11
(DH50R: RU, SP, TW, KR, TH/DH70SWR :RU)
CN504 9P
(DH50R: AEP/DH70SWR: AEP)
CN505 11P
L OUT
+9V
R OUT
AGND
TUNED
CE
DI
CLK
DO/STEREO
RDS CLK
RDS DATA
JR592
0
SP_L
SP_R
EVER+3.3V
0.1
C500
C545
0.1
47k
R570
22k
R569
6.8k
R593
6.8k
R594
100k
R597
100k
R598
1k
R451
1
C497
MAZ8062GMLS0
D495
2SC3052EF-T1-LEF
OVER VOLTAGE DETECT
Q430
10k
R447
1k
R430
R540
10k
RT1N141C-TP-1
Q580
A+5V
LED DRIVE
Q581, 582
0.1
C556
1
C510
1
C509
1
C502
1
C501
C542
1
C541
1
6800p
C521
6800p
C522
16V
10
C537
50V
1
C505
50V
1
C506
50V
2.2
C517
50V
2.2
C518
50V
C539
1
50V
C540
1
6.3V
C546
470
3
2
1
TK11150CSCL-G
IC504
1
C498
10k
R455
1
2
3
4
5
6
7
8
9
10
11
11P
CN502
(DH50R: AEP/DH70SWR: AEP)
(DH50R: RU, SP, TW, KR, TH/DH70SWR: RU )
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN503
HP OUT R
HEADPHONE-GND
HP OUT L
AUDIO-GND
A IN R
AUDIO-GND
A IN L
AUDIO-GND
HEADPHONE DETECT
A+11V
HEADPHONE MUTE
MIC ECOH DATA
MIC ECOH CLK
MIC ECOH CS
MIC D-GND
MIC DETECT
A+9V
MIC SCORE
A+5V
MIC-GND
MIC SIG
2SC3052EF-T1-LEF
Q540
SUBWOFER POWER
ON/OFF SWITCH
Q540, 580
4.7k
R452
R580
10k
R560
10k
R578
4.7k
R583
4.7k
1k
R585
ISA1235AC1TP-1EF
Q564
10k
R584
1
2
3
4
5
6
7
8
9
10
11
11P
CN507
P-MONI-2
ST-BY 3.3V
POW-ON
GND-SUB
AC-DET
MTK POWER ON
P-MONI
A+11V
A-GND
A+9V
D+9V
TK11133CSCL-G
IC505
1
C566
1
C568
1k
R511
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN511
TOUCH KEY BUZZER
EVER+3.3V
KEY1
KEY3
DGND
FL RESET
STANDBY LED
SIRCS
FL CS
FL-GND
FL+9V
FL DATA
FL_CLK
E
ET400
RT1P141C-TP-1
Q543
10k
R507
10k
R508
10k
R502
10k
R501
2SC3052EF-T1-LEF
BASS CUT FILTER
Q541
2SC3052EF-T1-LEF
BASS CUT FILTER
Q542
0.47
C526
0.47
C525
RT1N141C-TP-1
INVERTER
Q572
CL400
CL401
CL402
CL403
CL404
CL406
CL408
CL409
CL410
CL411
CL412
CL413
CL414
CL415
CL416
CL417
CL418
CL420
CL421
CL422
CL423
CL424
CL425
CL426
CL427
CL428
CL429
CL430
CL431
CL432
CL433
CL434
CL435
CL436
CL437
CL438
CL439
CL440
CL441
CL442
CL443
CL444
CL445
CL446
CL447
CL448
CL449
CL450
CL451
CL452
CL453
CL454
CL455
CL456
CL457
CL458
CL459
CL460
CL461
CL462
CL463
CL464
CL465
CL466
CL467
CL468
CL469
ISA1235AC1TP-1EF
Q582
1k
R561
10k
R562
1
2
3
4
5
6
7
7P
CN510
TS RESET
TS SDA
TS SCL
TS INT
TOUCH KEY LED +9V
DGND
SW_D+3.3V
0.01
C593
P-MONI
16V
10
C499
16V
220
C490
16V
C592
100
10k
C508
10k
C507
1
C520
1
C519
1
2
3
3P
CN506
A_IN2_R
AGND
A_IN2_L
16V
C580
47
6.3V
100
C547
10V
220
C538
R551
R552
1.8k
R519
1.8k
R520
R528
12k
R527
12k
1
2
3
4
5
6
7
8
8P
CN501
FAN-ON
P-MONI
FAN-GND
FAN+11V
SUBWOOFER-ON
EVER+3.3V
AGND
SUBWOOFER-MUTE
(DH70SWR)
1
2
3
4
4P
CN508
0.15
C529
0.15
C530
0.15
C527
0.15
C528
50V
0.22
C536
50V
0.22
C535
15k
R572
15k
R571
18k
R574
18k
R573
0
R510
0
R506
0.1
C524
0.1
C523
R548
22k
R544
47k
R546
47k
R599
(DH50R: AEP/DH70SWR: AEP)
0
R547
22k
R550
1k
R545
47k
R543
47k
1000p
C567
1000p
C513
2.2
R463
TUNER_R
TUNER_L
DVD_CD_USB_R
DVD_CD_USB_L
A_IN_R
A_IN_L
5
16
78
1
79
43
58
56
73
68
81
74
84
86
A_IN2_L
A_IN2_R
A_IN2_R
A_IN2_L
77
17
64
23
3
4
22
A_IN_L
A_IN_R
62
TUNER_R
82
85
87
88
18
80
2
42
21
75
77
76
TUNER_L
6
AGND
1
2
3
4
5
6
7
8
9
10
15
16
11
12
13
14
17
IC500
INPUT SELECTOR,
ELECTRICAL VOLUME
IC501
MIX AMP
MAIN BOARD (2/3)
24
+3.3V REGULATOR
IC505
+5V REGULATOR
IC504
59
(CHASSIS)
FAN-ON
P-MONI
FAN-GND
FAN+11V
HEADPHONE DETECT
A+11V
AUDIO-GND
A IN L
HP OUT L
AUDIO-GND
A IN R
HP OUT R
HEADPHONE-GND
AUDIO-GND
HEADPHONE MUTE
1
2
3
4
5
6
7
7
6
5
4
3
2
1
7P
CN391
TS RESET
TS SDA
TS SCL
TS INT
TOUCH KEY LED +9V
DGND
SW_D+3.3V
2.2
R392
7P
CN392
SW_D+3.3V
DGND
TOUCH KEY LED +9V
TS INT
TS SCL
TS SDA
TS RESET
16V
470
C391
JUNCTION BOARD
BOARD
KEY
TUNER
COAXIAL
FM 75
ȍ
ANTENNA
(FM/AM)
AM
(DH50R: AEP/DH70SWR: AEP)
J
4
B
16
6
9
11
D
N
15
H
L
10
K
17
3
5
12
C
F
18
M
P
O
1
19
E
8
G
20
14
A
2
13
I
7
Note:
When the KEY board is damaged, exchange the entire TOUCH PANNEL ASSY.