Marantz DV7600, Service Manual

Page: 35 / 73

48
1
4
7
BIAS
12
CY in
26
24
23
S-DC out
14
27
S-DC out
S1/S2
3
2
MUTE 1
C in
5
6
CVBS in
YC MIX
Cb in
C out
CVBS out
S2
GND2
200
Ω
25
22
21
20
19
18
17
16
15
CY out
GND2
GND2
Cb out
Cr out
8
9
10
11
13
Y in
GND1
MUTE2
CLP
I/P
28
S1
Y out
GND2
1
Vcc1
Cr in
Bias
Vcc2
150k Ω
B
ias
Clamp
75
Ω
Driver
LPF
6.75MHz
6dB
75 Ω
Driver
LPF
6.75MHz
Clamp
75 Ω
Driver
LPF
6.75MHz
6dB
LPF
13.5MHz
75
Ω
Driver
LPF
6.75MHz
6dB
75
Ω
Driver
LPF
6.75MHz
6dB
LPF
13.5MHz
75 Ω
Driver
LPF
6.75MHz
6dB
LPF
13.5MHz
Clamp
150k
Ω
Bias
150k
Ω
Bias
150k Ω
Bias
6dB
6dB -6dB
* *
High
High
Low * *
C out
*
* * * High
Low *
YC MIX
制御端子
Control Terminal
CLP
* *
Low *
Cr out
*
MUTE1
*
*
High
High
*
Low
* *
*
*
*
*
* Low *
*
*
Low
Low
* *
*
*
*
*: Don't care
Cb out
*
*
*
High
*
Low
CY out
CVBS out
Y out
*
*
*
High
High
MUTE
C in
MUTE
入力選択
Input select
出力端子
Output Terminal
MUTE2
MUTE
Cr in
CY in
(Clamp)
CY in
(Bias)
Y in + C in
MUTE
Cb in
CVBS in
MUTE
Y in
MUTE
IC21 : MM1623X (VIDEO SIGNAL DRIVER)
1
V
CC
1
C
IN
MUTE1
V
IN
MODE 1
Y
IN
BIAS
GND1
2
3
4
5
6
7
8
16
V
CC
2
C
OUT
MODE 2
V
OUT
VSAG
GND2
Y
OUT
YSAG
15
14
13
12
11
10
9
4dB LPF
6.75MHz
bias
150k
Ω
4dB LPF
6.75MHz
2dB
75
Ω
Driver
2dB
75
Ω
Driver
CTRL
2dB
75
Ω
Driver
4dB LPF
bias
6.75MHz
bias
150k Ω
sync tip
clamp
bias
150k
Ω
sync tip
clamp
+
Input Input Signal
Output Signal
Control Terminal
Terminal (Input clamp) MUTE1 MODE1 MODE2
MUTE * MUTE Low * *
1
C
IN
C(bias) C
V
IN
Composite Video(Y+C) High Low Low
Y
IN
Y(clamp) Y
MUTE * MUTE Low * *
2
C
IN
C(bias) C
V
IN
Composite Video(clamp) Composite Video High High Low
Y
IN
Y(clamp) Y
MUTE * MUTE Low * *
3
C
IN
Cr(bias) Cr
V
IN
Cb(bias) Cb High Low High
Y
IN
Y(clamp) Y
MUTE * MUTE Low * *
4
C
IN
R(bias) R
V
IN
G(bias) G High High High
Y
IN
B(bias) B
* : Don't care
IC20 : MM1566A (VIDEO SIGNAL DRIVER)
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