Kenwood DDX8022BT/8022BTY Service Manual page 43

CR
DGND
+9V
5.0V
5.0V
2.5V
-9.0V
+9V
1000P
Q116
∗
C
IC100-102 : NJM4565V-ZB
IC103
Q4,6,100,102-105,107
J200
Q5,101,106
4 Q108
Q109,202,208
RELAY
3
CORD
2 RL2
Q110,112,114,116,201,
1 RL1
204,205,207,210,211
Q111,113,115,203,209
Q200,206 : DTC114TUA
DGND
• DC voltages are as measured with a high impedance
volt me ter. Val ues may vary slight ly due to vari a tions be-
tween in di vid u al in stru ments or/and units.
CS
IC102
1 8 9.0V
V+
7 5.0V
2
3 6 5.0V
4 5 2.5V
V-
9V
R146 R141
22K 22K
C128 C125
1000P
Q107 Q105
Q106
D1-3,18 : STZ6.2N
: ICL7660SIBAZ D4,6 : UDZS8.2B
D5,8 : UDZS6.2B
D7,9 : UDZS6.8B
: DTC643TU D10-13 : AVRM16270MAAB
D14,15,100-105
: AVRM16180M6AB
: DTA144EUA
: UMC2N D16,17,106-110
: DAP202U
: 2SB1443 D111 : UDZS11B
D112 : UDZS5.6B
D200-203 : 1SR154-400
: 2SC4081
VIDEO LINE
: 2SA1576A
SIGNAL LINE
GND LINE
CT
CN100
5V AMP
+9V
IC101
5.0V 1 8 9.0V
V+
7 5.0V
5.0V 2
2.5V 3 6 5.0V
-9.0V 4 5 2.5V
V-
9V
R129 R125
22K 22K
C118 C116
1000P 1000P
Q104 Q103
PRE MUTE
BU5V
DDX8022BT/8022BTY/8032BT/8032BTM/812, DNX8120/8220BT (5/6)
(X29-449x-xx)
UNIT
MODEL NAME A B C
No.
DDX812
DDX8022BT/BTY 0-10 YES
DDX8032BT/BTM
DDX712
0-11
DDX7032/M
DNX8120
0-10 YES
DNX8220BT
DNX7120
DNX7220 0-11
DNX7320
3-01
CAUTION : For continued safety, re place safe ty critical com po-
B LINE
nents only with manufacturer's rec om mend ed parts (refer to parts
B LINE
list).
Indicates safety critical com po nents. To reduce the risk of electric
shock, leakage-cur rent or re sis tance mea sure ments shall be car-
ried out (ex posed parts are ac cept ably in su lat ed from the supply
cir cuit) be fore the ap pli ance is returned to the customer.
CU
DDX8022BT/8022BTY/8032BT/8032BTM/812
DNX8120/8220BT
PRE OUT
14 13 12 11 10 9 8 7 6 5 4 3 2 1
C100 0.1
∗
R127
C101 0.1
0
C102 0.1
∗
R132
0 D100
D101
D102
D103
D104
D105
∗
B
+9V
IC100
5.0V 1 8 9.0V
V+
7 5.0V
5.0V 2
2.5V 3 6 5.0V
-9.0V 4 5 2.5V
V-
∗
D
R109 R106
22K 22K
C108 C107
1000P 1000P
Q102 Q100
Q101
D2, R5,12,18,21,
D C2 R132
7-9,11 27,127,128
YES YES YES
YES YES
YES YES YES
YES YES
YES YES
X29-4490-10 (2/2)
CV
1
2
ESDGND
3
4
5
6
7
43