Service manual

HT-DD5000/C
– 16 –
A
B
C
D
E
F
G
H
1
23456
Figure 16 SCHEMATIC DIAGRAM (1/12)
NOTES ON SCHEMATIC DIAGRAM can be found on page 38.
ZD401
MTZJ7.5C
C478
1/50
R621
22
C629
47/25
R620
1.5K
R496
270
Q405
2SD468 C
ZD402
MTZJ7.5C
Q406
2SB562 C
C637
3300/25
D626
1N4004
D625
1N4004
C623
0.1
D622
BR102J02
Q622
2SD2012 Y
C640
47/25
ZD624
MTZJ3.9B
C639
220/16
C638
47/25
Q625
2SD468 C
D628
1N4004
C635
0.047
ZD622
MTZJ13C
R622
1K
R624
47
Q623
KTC3199 GR
Q624
2SD2012 Y
D630
1N4004
D629
1N4004
C624
0.1
C627
220/25
ZD621
MTZJ13A
Q620
2SB1375 Y
D631
1N4148
R625
330
ZD623
MTZJ6.2B
C477
1/50
R495B
270
C626
0.047
C633
4700/25
D624
1N4004
C631
0.047
D621
BR102J02
C625
0.047
C63
2
0.04
7
D623
1N4004
C634
47/25
Q621
KTC3199 GR
C636
0.047
D627
1N4004
R628
22
D632
1N4148
R627
82
CNP201CNS1B CNP403
CNS801B
16
15
141312
11
10
9
8
7
6
5
4 3 2 1
1817
21
20191817
16
15141312
1110
9
8
7
6
5
4 3 2 1
6
5
4 3 2 1
12
11
10
9
8
7
6
5
4 3 2
1
FC801
1
FC1
1
7
6
5
4
3
C628
0.022
C615
47/50
C617
100/35
2
S
CNP4
ZD612
MTZJ6.8C
R605
47
R606
1K
R614
100
C606
47/16
Q603
KTC3199 GR
SWITCHING
ZD602
MTZJ5.6B
R616
220
R617
220
ZD611 MTZJ33C
Q611
KTA1266 GR
C616
100/35
R615
12K
R613
2.2K
Q602
2SD468 C
D614
1N4004
C614
220/63
7
6
5
4
3
2
1
8
R608
47K
R607
10K
C
0
C607
0.022
0.047
C619
C475B
10/50
C476B
10/50
C641
1000/6.3
2
1
D2GND
AC3D_GND
A_GND
–7V
A+12V
AC3_SI
AC3_SS
TUN_MUTE
TUN_CK
TUN_DO
TUN_CE
TUN_DI
TUN_SD
TUN_ST
A_GND
D_GND
VL(-)
V_GND
M_GND
AC3_GND
AC3_3V
A_5V
+7V
A-12V
VL(+)
P_GND
VH(-)
VH(+)
A+12V
TUN_L
TUN_R
V_SW2
V_SW1
V_MUTE
D_SEL
AC3_SCK
TO AC3
–21.6V
–12.8V
–12V
–12V
–7.2V
–7.8V
12.2V
7.6V
7V
12.2V
13V
13.6V
16.9V
11.6V 4.9V
5.5V
6.18V
4.9V
4.0V
3.4V
11.6V
–7V
+7V
A25V
AC323V
AC32GND
AC32SO
AC3D2GND
P24 5 - H
TO DOLBY PWB
CNS801A
18
P20 5 - A
TO VIDEO
JACK PWB
CNS403
CNS1A
P22 1 - E
TO DISPLAY PWB
21
CNS201
P27 12 - H
TO TUNER PWB
+B
–B
+B
–B
+B
–B
+B
–B
–B
VOLTAGE REGULATOR
VOLTAGE REGULATOR
–B
–B
–B
+
–
~
~
~
~
+B
POW_SW
VF1
U-COM_5V
D_GND
VF2
–VPP
POW_1
POW_2
–32V
–32.6V
4.7V7.3V
0V
0V
0.6V
5.3V
VO
L
VOLTAGE REGULATOR
+B
+B
+B
SWITCHING
SWITCHING
16.9V
+B
Q405,Q622'
VOLTAGE REGULATOR
Q624,Q625'
VOLTAGE REGULATOR
+B
+B
+B
+B
P18 1 - E
TO POWER
AMP.SECTION
–
+
TO DISPLAY PWB
P23 8 - H
CNS4
SW_ON
DEM0
POWER PWB-D2
AC3_RES
ADPD
DAPD
DEM1
–35.9V
FM SIGNAL