Kenwood DDX6027 Service Manual page 73

CH
VIDEO LINE
SIGNAL LINE
GND LINE
B LINE
B LINE
D207
D206
0V 4.4V
C203 IC204
ISO ISO
4.3V
4.3V
4.3V
R247
2.2K
R252
D204
R248
470
ISO AMP
IC405
8 8.0V
VCC
4.4V 1
4.4V
7
AOUT
BOUT
4.3V 2
VM1
4.3V 3 6 4.3V
AIN VM2
0V 4 5 4.3V
GND BIN
A8V
IC416 IC406
SW5 SW3
7V
VIDEO SELECTOR
V5V
CI
14 13 12 11 10 9 8 7 6 5 4 3 2 1
∗
R255 R256
75 75
∗
D208
D211
D210 D209
0V 4.4V
4.3V
2.2K
R404
2.2K
R600 C600
D414
10 1000P
3
4
2
IC407 IC408
SW1 SW2
1.2V 0V
0V
X34-COMP
X14-COMP
CAMERA
CJ
C400,
MODEL NAME UNIT No. B D
405,410
DDX6027
X34-3842-71 YES YES
DDX6027Y
DDX7017 X34-3840-10 YES
CN14
X34-3840-21
DDX7037
DDX7047 (X) X34-3840-71
DDX7047 (V) X34-3843-21
DDX7067 X34-3852-10
SP-R
SP-G
D201
SP-L
7
D218
12
5
4
3
2
6
3 1
R565
100
D529
SB
SG
SR
5
∗
B
C812
0.22
BU14V
IC502
SW5V
4.8V
4.8V
VCC
1 B
4.8V 2 A
3
GND
0V
BUFFER
C516
4.7u50
R
+
C515
4.7u50
4 L
+
C514
47u6.3
G
+
1.2V
2 TX
RX
V5V
NR
NG
NB
5
D533 D530 D531
DDX6027/6027Y/7017/7037/7047/7067 (4/4)
CK
DDX6027/6027Y/7017
DDX7037/7047/7067
C426, R253,
D208
457,461 255
YES YES YES
J502
C511 R531
4.7u50 10
20 SPR
+
C512 R532
47u6.3 4.7
19 SPGND
+
C513 R533
4.7u50 10
18 SPL
+
R534 1K
17 RESET
R800
1K
16 TV JUDGE
R535 1K
15 SC CON
R536 100
14 BP CLK
R537 100
13 MC REQ
R538 100
12 MC DATA
R539 1K
11 SC REQ
R540 1K
10 SC DATA
to TV-TUNER
9 VGND
8 SYNC
R566 100
7 B
R567 100
6 G
R568 100
5 R
CAUTION : For con-
tinued safety, re-
place safety critical
components only
4 GND
3 GND
with manufacturer's
BU14V 2 +14V
recommended parts
1 +14V
(refer to parts list).
Indicates safety
critical components.
To reduce the risk of
electric shock, leak-
age-current or resis-
t a n c e m e a s u r e -
ments shall be car-
ried out (exposed
4.8V
5
parts are acceptably
4.8V
insulated from the
R549
Y 4
supply circuit) before
1K
NAVIGATION
the appliance is re-
D534
turned to the cus-
tomer.
J503
VGND
4 3 2 1
R554
10 Rch
8 7 6 5
NAVI CORD
R553
10 Lch
12 11 10 9
R552
13
4.7
AGND
R551
1K
TX
R550
RX
1K
R572 100
SYNC
• DC voltages are
R569 100
R
as measured with
R570 100
G
a high impedance
R571 100
B
voltmeter. Values
may vary slightly
due to variations
D532
b e t w e e n i n d i -
v i d u a l i n s t r u -
m e n t s o r / a n d
units.
X34-384/385x-xx B/3 (2/2)
CL
1
2
3
4
5
6
7
73