Marantz DV4300, Руководство по обслуживанию

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22 21
POWER_SW
HP_DET
U501
W78E51(DIP)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
P3.0/RXD
P3.1/TXD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P3.6/WR
P3.7/RD
XTAL2
XTAL1
VSS
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE/PROG
EA/VPP
P0.7/A7
P0.6/A6
P0.5/A5
P0.4/A4
P0.3/A3
P0.2/A2
P0.1/A1
P0.0/A0
VCC
HP_MUTE
MRSTB
CE501
100u/25
+5VALL1
CNT1
R516
332J
DGND1
R508
332J
R505
301J
FB
POW_LED
HOST_CS
HP_DET
ARSTB
POW_CTL
C505 J270
POWER_SW
+5VALL1
R510
332J
CNT2
R507
332J
R504
332J
BC502 Z104
DGND1
R514
332J
X401
11.0592MHz
POW_LED
not insert for deburg
R512
332J
IR_INTER
CE506
22u/16
OPEN_SW
R515
332J
DGND1
IR_INTER
+5VALL1
DGND1
HOST_CS
R509
332J
CN501
OPEN
1
2
3
4
+5VD
TXD
RXD
GND_D
OPEN_SW
HOST_DATA
RST
HOST_CLK
+5VALL1
HOST_DATA
HOST_CLK
R511
332J
DGND1
Q501
KRA107S
FNC1
AMUTE
FNC2
R513
332J
R506
332J
C504 J270
CNT3
24
25
26
No.
WAVE FORM CHART No.
D601
1N4148
Q604
KRC107S
+5VALL2
R606
910J
2(B)
CE601
100u/25
3(C)
3F
PL601
PB2012
C603
Z104
AGND3
From. Front Board IR Sensor
+5VALL2
Q602
KRA107S
IR2
EXT_IR
2(B)
AGND3
3(C)
2(B)
3(C)
C601
Z104
MMBT3906
R609
220J(3216)
1(E) 1(E)
AGND2
KRA107S
Internal IR Sensor
KRC107S
CE603
10u/16
External IR Sensor
PH
Q601
KRA107S
KTC3875
1(E)
To. Sub Micom
2(B)
SW601
SW SLIDE-SPDT
3
2
3(C)
EL601
FB2012
1(E)
AGND3
C602
K471
NH
AGND3
Q603
KRA107S
3F
R607
332J
AGND3
IR_INTER
AGND3
REMOTE CONT.
Output Port
Main PCB (5/5) Sub microprocessor Block
RCU PCB (1/3) Remote control Block