Service manual

HT-DD5000/C
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Figure 15 BLOCK DIAGRAM (4/4)
3
1 2 3 4
5
6
7
8
10 11 12 13 14 15 16
17
18 19 20 23
24 25
21 22
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
5152
53
54555657
58
5960616263646566676869
70
71
72
737475
9
100
XL2 8 MHz
4
8
3
5
1
7
4
8
3
5
1
7
4
8
3
5
1
7
4
8
3
5
1
7
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
XL1
32.768 kHz
REMOCON
RX701
REMOTE
SENSOR
Q7
Q8
ZD1
IC1
IX0004SJ
SYSTEM
MICROCOMPUTER
Q411
Q412
Q413
Q414
J581
HEADPHONES
VF1
(AC)
VF2
(AC)
Q409
Q410
C2MUT
SW2MUTE
BACK UP
BUFFER AMP.
IC407
NJM4585M
BUFFER AMP.
R2MUT
IC406
NJM4585M
F2MUT
HEADPHONE
AMP.
IC581
NJM4565M
HP2MUTE
SWITCHING
SWITCHING
SWITCHING
SWITCHING
SWITCHING
Q6
RESET
µ–COM25V
BUFFER AMP.
IC408
NJM4585M
PROTECT
FAN
TUN–DI TUN–DO TUN–CK TUN–CE TUN–MUTE TUN–SD TUN–ST VDD OSC2 OSC1 VSS XI XO MMOD VREF– KEY1 KEY2 KEY3 AREA SP–LEVEL MODEL POSISTER
LED1
P12 P11 P10
P9 P8 P7 P6 P5 P4 P3 P2 P1
10G
9G 8G 7G 6G 5G 4G 3G 2G 1G
P14
P15
P16
NC
NC
NC
NC
DAPD
ADPD
AC3–RES
AC3–SS
AC3–SI
D–SEL
AC3–SCK
SW–ON
PRO–ENA
PRO–DI
PRO–CK
V–SW1
V–SW2
V–MUTE
P13
FL1
DISPLAY
SPSWB
SPSWA
SW–RLAY
C–RLAY
R–RLAY
HP MUTE
POW–SW
FA–RLAY
SW–MUTE
C–MUTE
R–MUTE
F–MUTE
JOG DOWN
JOG UP
REMOCON
AC3–SO
SYS–STOP
POWER
V–DATA
V–CK
V–LACH
FS–CK
FS–DATA
FS–STB
RESET
VREF+
IN
OUT
IN
IN
OUT
IN
OUT
KEY MATRIX
SW2–SW8
SW9–SW15
SW16–SW19
STAND–BY LED
LED1
TIMER LED
LED2
µ–COM25V
S2WOOFER
FRONT L,R
CENTER
TO POWER AMP. SECTION
SPEAKER A,B SW
TO POWER AMP SECTION
TO POWER SECTION
REAR2 L,R
µ–COM25V
DEM0
DEM1
2
JOG
SW23
POWER
SW1
TO POWER AMP. SECTION
C
3-RES
C
3-SS
D
RESET
A+12V
A–12V
A+12V
A–12V
A+12V
A–12V
A+12V
A–12V
Q11
Q12
SWITCHING
Q1~Q4
SWITCHING
Q9
SWITCHING
Q407
Q408
VPP
ALC
Q10
1
C
3-SO
E
M1
E
M0
W
-ON
C
3-SCK
SEL
C
3-SI
OUT