Sony HD-IS10 - IC Block Diagrams - Regulator ICs

52
HCD-IS10
IC281 NJM2387ADL3 (TE2)
1
VIN
2
CONTROL
5
GND
3
VOUT
4
VADJ
BANDGAP
REFERENCE
OVER VOLTAGE
PROTECTION
OVER CURRENT
PROTECTION
THERMAL
PROTECTION
ON/OFF
CONTROL
REGULATOR
IC251 BH7868FS-E2
30
1
2
3
29
28
CV OUT
VCC1
6CV IN
5MUTE1
7SEL (CV/MIX)
13
PB/B IN
15
PR/R IN
14
MUTE2
16
VCC2
11PY/G IN
12
GND
8Y IN
10SEL (BIAS/CLAMP)
4C IN
S1
S2
CV OUT SAG
GND
BIAS
6dB
75Ω
32 C OUT
75Ω
31 S-DC OUT
6MHz
LPF
27
26
Y OUT
Y OUT SAG
75Ω
6MHz
LPF
6MHz
LPF
S-DC OUT
S1/S2
+
25 GND
24
23
PY/G OUT
PY/G OUT SAG
75Ω
12MHz
LPF
22 GND
21
20
PB/B OUT
PB/B OUT SAG
75Ω
12MHz
LPF
19 GND
18
17
PR/R OUT
PR/R OUT SAG
75Ω
12MHz
LPF
CLAMP
6dB
CLAMP
6dB
6dB
9BIAS
BIAS
BIAS
6dB
BIAS
6dB
CLAMP
BIAS
MUTE1
MUTE2
H
L
L
H
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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