Service manual
HT-DD5000/C
– 23 –
Figure 23 SCHEMATIC DIAGRAM (8/12)
7
8 9 10 11 12
L2
100µH
R75
100K
R66
10K
D7
1N4148
R171
1K
Q9
KRC102 M
Q12
KRA102 M
SWITCHING
Q11
KRC102 M
SWITCHING
R170
1K
R88
47K
R89
@
47K
R64
@
10K
R63
@
10K
R60
@
10K
R59
@
10K
R58
@
10K
D6
1N4148
R175
5.6K
CNS2A
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
R90
@
47K
C16
0.001
R147
1K
ZD1
MTZJ3.9B
R146
100
Q10
KRC102
@
M
TIMER LED
R42
1K
LED2
L1154HDB1F
LED1
L1154HDB1F
R148
47
R24
@
1K
R33
@
1K
C11
0.001
SW23
JOG
C10
0.001
Q2
KRA102 M
Q3
KRA102 M
Q1
KRA102 M
Q4
KRA102 M
C17
220/6.3
R131
10K
R130
5.6K
R124
5.6K
R129
3.9K
R123
3.9K
R134
2.7K
R128
2.7K
R122
2.7K
R126
1.8K
R132
1.8K
R120
1.8K
R127
1.8K
R133
1.8K
R121
1.8K
C2
0.022
R14
1K
R11
@
1K
R12
1K
R13
1K
R32
@
1K
R36
@
1K
R39
@
1K
R37
@
1K
R29
@
1K
R27
@
1K
R17
@
1K
R23
@
1K
R19
@
1K
R30
@
1K
R35
@
1K
R25
@
1K
R31
@
1K
R28
@
1K
R26
@
1K
R18
@
1K
R21
@
1K
R15
@
1K
R16
@
1K
R22
@
1K
R40
@
1K
R41
@
1K
R38
@
1K
R20
@
1K
C12
0.01
R138
1K
SW8
SW6
SW4
SW2
SW7
R125
10K
SW5
SW17
SW15
SW16
SW13 SW14SW10
SW19
SW9
SW18
SW12
SW11
R140
3.3K
D1
1N4148
R139
1K
R144
10K
R145
82
C13
0.01
C14
3.3/50
C6
22/50
RX1
REMOTE
SENSOR
N64H380A
Q8
KTC3199 GR
R142
1K
D3
1N4148
D5
1N4148
D4
1N4148
Q7
KTC3199 GR
R143
10K
C15
0.01
Q6
KRC102 M
R149
150
R150
2.2K
D2
1N4148
R141
100K
C18
100/6.3
R
@
1K
R9
@
1K
R10
1K
18
17
16
25
2423
22 2120 19
60 59 58 57 56 55
54
53
52 51
8
7
6
5
4 3 2 1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3 2 1
24
25
31
37
38
9
30
32
33
34
35
36
1
2
3
4
1
2
3
4
C20
0.47/50
1
2
3
4
BI3
CNS3
CNP3
CNS6
1
2
R115
1K
C111
1/50
C112
1/50
C113
1/50
C114
1/50
R154
1K
R153
1K
R152
1K
R151
1K
R111
470K
R112
470K
R113
470K
R114
470K
BI4
CNS4
8
7
6
5
4 3 2 1
FC2
HP_MUTE
JOG_UP
JOG_DOWN
POW_SW
SYS2STOP
POSISTOR
SP_LEVEL
KEY2
V_DATA
V_CK
KEY3
KEY1
KEY1
KEY2
HP_MUTE
SPSWA
SPSWB
TIMER
/SLEEP
TUNER
/BAND
J
O
MPUTER
STAND-BY LED
DOLBY
PROLOGIC
LED1
VOLUME
UP
ENTER
DOLBY
DIGITAL
CD/AUX
DVD
VCR-2
X-BASS
TUNING
DOWN
TUNING
UP
MEMORY
/SET
VOLUME
DOWN
FS_STB
FS_DATA
AC3_SO
POW_SW
FAN5V
PROTECT
POSISTOR
C_RLAY
R_RLAY
FA_RLAY
SW_RLAY
SW_MUTE
C_MUTE
JOG_UP
JOG_DOWN
MODEL
SP_LEVEL
AREA
V_DATA
V_CK
V_LATCH
FS_CK
5V BACK UP
RESET
F_MUTE
POWER
SYS_STOP
REMOCON
KEY3
KEY2
KEY1
0V
5V
0V
4.8V
4.8V
4.7V
4.5V
4.8V
4.8V
4.8V
4.8V
0V
4.5V
4.8V
4.4V
5V
0V
0V
0V
0V
5V
0V
ALC
VREF+
5V
0V
0V
5V
5V
5V
4.6V
0V
4.6V
–2.4V
4.6V
0V
4.6V
4.9V
4.9V
4.9V
4.9V
4.8V
0V
0V
0V
0V
0.8V
4.3V
0V
4.3V
5V
2
3
0V
6.2V
+B
+B
F2
F2
0V
NP
NP
+B
POWER
SW1
SWITCH
PWB-D7
EQUALIZER
B
A
C
CNP6
1
2
3
1
2 3
1
1
2 3
1
2
3
1
2 3
1
2
3
Q1~Q4'SWITCHING
SW_RLY
C_RLY
AC3_SO
PROTECT
FAN_SW
FA_RLY
SW_MUTE
C_MUTE
R_MUTE
F_MUTE
–1.5V
+B
+B
+B
4.9V
1
2
3
0V
RESET
+B
+B
POW_2
POW_1
POW_SW
D_GND
–VPP
VF2
VF1
µ-COM_5V
P16 3 - G
TO POWER PWB
CNP4
1
20
CNS2B
1
3
2
P17 10 - A
TO MAIN PWB
TO AUDIO JACK PWB
P21 11 - G
5G
4G
3G
2G
1G
–25V
–22V
–21V
–20V
FS_STB
FS_DATA
FS_CK
V_LATCH
R_RLY
–2.4V
–1.5V
0V
KEY3
VCR-1
PHONO
MD/TAPE
4V
4.5V
4.8V
4.8V
0V
0V
0V
R_MUTE
1G
2G
4G
5G
6G
7G
3G
Q13
KRC102M