Kenwood DDX8022BT/8022BTY Service Manual page 50

EA
DDX8022BT/8022BTY/8032BT/8032BTM/812
DNX8120/8220BT
17
∗
C
3.3V
IC53
3.3V
8
0V
VCC 178
1
R474
7
2
177
33
6
3
5
176
4
GND 3.3V
7 12 10
253
A5V
TP160
A5V 50
VGND
49
TP227
48
18 47
CMP
∗ ∗
C474 R539
46
1000P 4.7
Pr/R 45
D3
44
Pb/B 43
42
∗
D
Y/G
40
TP140
39
A8V
A8V 38
266 R464
TP220 37
AGND
00 100
36
35
34
33
32
30
29
28
TP107
27
26
25
24 24
23
TP151
22
SDA
20
SCL 19
267 R465 TP110
18 18
00 100
17
16
7
TP223
15
D5V
14
13
12
11
TP224
10
DGND
R591
82
R584
390
7
D5V
P5V
TP198
L15 L21
TP247
A5V
TP63
600 600
F
Q24
TP62
IOP E
C520 R564
L22
Q27 10
600
1000P 4.7
C476
12
TP59
100P
13
TP58
B 14
TP57
A 15
TP56
116 C 16
TP55
D 17
TP54
FE1 18
12
TP108
FE2 19
11 TH- 20
TP51
128 22
23
R164 100
24
R165 100
25
26
TP48
11 F- 27
TP231 TP232 TP47
12
T+ 28
TP233 TP234 TP46
F+ 29
TP45
T- 30
6
50
X37-1120-06 (5/5)
EB
IC1 : MN2DS0016AAUB
IC5 : S29AL32D70TFI
IC9 : S-24CS04AFT
IC10 : AN41250A-VB
IC12 : MM1671XNRE
IC15 : AK4396VF
IC21 : LTC3548EDD-F
IC27 : NJM2865F318ZB
IC31 : LC82360-E
IC39 : NJU7042
∗
CN11
IC42 : TC74HC273FT
IC49 : TC7SG04FU-F
1 ADATA0
IC50,51 : NJM4580V-ZB
2 DGND
IC53 : TC7WH08FK-F
3 ADATA1
IC54 :
∗
4 DGND
IC55 : TC7WH32FU-F
5 ADATA2 IC56 : HD74LV1GW57AE
IC57 : NJM2573V-ZB
6 DGND
IC60 : MM1665AHBE
7 BCK
8 DGND
Q1-4,25 : DTA143XE
9 LRCK
Q10,11 : 2SC4617
PD Q12,13 : 2SB1709
Q14,15,20,21
: 2SK3019
Q24 : SSM3J15FU-F
∗
P4
Q27 : DTA143ZE
Q28,29 : 2SA1774
∗
CN6
D5,6 : 015AZ5.1-F(Y)
A5V
D7 : 1SS402-F
A5V
VGND
VIDEO
VGND
Pr/R
VGND
Pb/B
VGND
41 Y/G
VGND
A8V
A8V
AGND
AGND
AREFL
AOUTL
A-SHIELD
AOUTR
31 AREFR
AGND
DGND
DGND
SPDIF
DGND
DGND
DISC-DET
M/S
AMUTE
21 SDT
DGND
TCK
IFSEL
D5V
D5V
D5V
D5V
D5V
D5V
DGND
DGND
9 RESET
8 PGND
7 PGND
6 PGND
5 PGND
4 P5V
3 P5V
2 P5V
1 P5V
CN1
1 GND
2 VREF
3 VCC
4 F+H/G+H
5 E+G/E+F
6 SW
7 NC
8 LD CD
9 LD DVD
GND
11 HFM
VPU1
GND(G)
RF
B
OPTICAL
A
PICKUP
C
D
FE1
FE2
TH-
VIDEO LINE
21 TH+
SIGNAL LINE
Imon
GND LINE
NC
B LINE
VR CD
VR DVD
NC
F-
T+
F+
T-
(X37-1120)
EC ED
M5237ML-CF0J
NJM2125F-ZB
NJM2123V-ZB
NJM2100V-ZB
NJM4580V-ZB
TC7WHU04FU-F
TC7WH123FU-F
TC7WH157FU-F
TC74VHC273FT
CAUTION : For continued safety, re place safe ty critical com-
po nents only with manufacturer's rec om mend ed parts (refer to
parts 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 carried 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.
• DC voltages are as measured with a high impedance volt-
me ter. Val ues may vary slight ly due to vari a tions between
in di vid u al in stru ments or/and units.
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