Read Harman Kardon DVD 21 (serv.man10) Service Manual online
V3.3
V3.3
V3.3
V3.3
V3.3
-5V-VID
+5V-VID
+5V-VID
-5V-VID
FRONT-R2
P7
FRONT-L2
P7
TVFORMAT0
P2
TVFORMAT1
P2
CTS0-
P2
+5V
P2
+12V
P2
RXD1
P2
VIDEOFORMAT
P2
C-CB
P2
Y-Y
P2
CV1-CV
P2
CV2-CR
P2
V3.3
P2,3,4,5,6,8
+12VA
P2
-12VA
P2
CV2-CR
C-CB
CV1-CV
CR_F
Y_F
Y-Y
CB_F
GND
GND
GND
Cb
CSY
TOP V IE W
R
B
G
B OTTOM
TOP
Y
Cr
J8
CONN TRIPLE RCA VIDEO W/ CHASSY PIN
4
3
7
2
5
6
1
C158
20P
C181
0.1UF
0.1UF
C156
20PF
20PF
R152
0R 1%
R153
0R 1%
R150
0R 1%
R148
75R 1%
FB4
C165
100UF/10V
R151
0R 1%
C55 20PF
C58 20PF
L5
1UH SMD1206
C154 20PF
L4
1UH SMD1206
1UH SMD1206
C61
20PF
C178
0.1UF
C157
20PF
20PF
L1
2.2UH SMD1206
L6
1UH SMD1206
C60
150PF
C54
150PF
C56
100PF
C155
220PF
220PF
C59
100PF
100PF
C62
100PF
100PF
C57
150PF
C153
330PF
R141 510R 1%
R10
0R 1%
1
3
2
VD1
Zetex ZC836A N/A
C140
220uF
10V
C180
220uF
10V
R140
510R 1%
D9
1N4148
1
2
D12
1N4148
1
2
D14
1N4148
1
2
CON 22 PIN TH 1MM
J12
1
2
3
3
4
9
8
7
6
5
10
11
11
12
13
14
14
15
16
17
18
18
19
20
21
22
22
GND
FRONT_R2
GND
FRONT_L2
FRONT_L2
GND
Cb/B
GND
GND
GND
Cr/R
GND
Y/G
Y/G
GND
CVBS
GND
RXD1
RXD1
CTS0-
TVFORMAT1
TVFORMAT0
VIDEOFORMAT
VIDEOFORMAT
5V
12V
C94
220uF
10V
C142
220uF
10V
R136
75R
R123
0R 1%
D10
1N4148
1N4148
1
2
D8
1N4148
1
2
C112
0.1UF
D15
1N4148
1N4148
1
2
D13
1N4148
1
2
D11
1N4148
1
2
U4
LMH6654MA
1
2
8
6
4
3
5
7
NC
1
IN
-
NC
3
OP
V-
IN
+
NC
2
V+
R143
75R 1%
R118
0R 1%
FB6
FB7
FB3
C179
20PF
20PF
SIG
GND
GND
NC
CSY
TOP VIEW
J14
5
2
1
3
4
FB2
C182
20PF
20PF
C176
20PF
20PF
GND
TOP V IE W
E NTRY SIDE
2
1
3
4
GND
Y
3
4 2
1
C
10
11
12
Y
C
CONN. MINI-DIN (S-VIDEO)
J13
4
1
2
3
10
11
12
FB5
C166
0.1UF
GND
VI
N
VO
U
U
T
U21
78L05
C168
0.1UF
C171
47UF/10V
47UF/10V
GN
D
D
VI
N
VO
U
U
T
U22
79L05
R117
0R 1%
C175
47UF/10V
C164
220UF/10V
220UF/10V
Place close to
connectors !
connectors !
CONNECTOR COLOR
CB
COMPONENT VIDEO
Y
RED
CR
BLUE
GREEN
TO
SCART
COMPOSITE
Note: Connect pins 10, 11
and 12 to chassy ground.
Y
S-VIDEO
YELLOW
C
MODE 1
Y
CVBS2
VI
D
E
O
ESD protection
MODE 2
VIDEO
CB
OPTION to Improve
DP/DG (VarIable
Capacitance
Diode)
DP/DG (VarIable
Capacitance
Diode)
OUTPUT
VIDEO filters
The bandwidth is 6.5MHz
for the top filter
(composite video) and it
is 13MHz for the bottom
3 filters for
COMPONENET video.
for the top filter
(composite video) and it
is 13MHz for the bottom
3 filters for
COMPONENET video.
2 X CVBS +
S-VIDEO
CVBS
Y
C
CVBS1
Replaced with wire short. DC
separation can be omitted because
NDV8XXX is protected against
shorted outputs. Also, NDV8XXX
outputs are current generators
with 0VDC at the bottom of the
SYNC pulse.
separation can be omitted because
NDV8XXX is protected against
shorted outputs. Also, NDV8XXX
outputs are current generators
with 0VDC at the bottom of the
SYNC pulse.
CVBS +
COMPONENT
CR
The 4 diodes on the
right side ("pull-up"
like) can be omittted if
the "pull-down" diodes
are replaced with
Zener diodes of
3.3V-5.1V, 0.4-1W
type.
right side ("pull-up"
like) can be omittted if
the "pull-down" diodes
are replaced with
Zener diodes of
3.3V-5.1V, 0.4-1W
type.
BW = 13MHz @ -1dB
DC
separation
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