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60
HCD-DZ230/DZ231/HDZ235
IC901 STR-F6138-LF1352
OCP/INH
1
S/GND
2
Drain
3
Vcc
4
FB/OLP
5
+
–
+
–
+
–
+
–
+
–
Delay
OVP
TSD
Delay
Reg2
Reg1
Reg3
Current mirror
POWER
MOS FET
Latch
OSC
Boottom Skip
Logic
OCP2
Logic
Internal
Bias
OCP1
Vocp
Rg3
Rg2
Rg1
OCP2
+
–
UVL0
ON=16V
OFF=10.5V
INH1
INH2
FB
Vth1
+
–
IOLP
Volp
Vth2
Vocp(BSIN,OUT)
– POWER Board –
– IO-SCART Board (DZ230/DZ231) –
IC230 BH7868FS-E2
30
1
2
3
29
28
CV OUT
VCC1
6
CV IN
5
MUTE1
7
SEL (CV/MIX)
13
PB/B IN
15
PR/R IN
14
MUTE2
16
VCC2
11
PY/G IN
12
GND
8
Y IN
10
SEL (BIAS/CLAMP)
4
C IN
S1
S2
CV OUT SAG
GND
BIAS
6dB
75
Ω
32 C OUT
75
Ω
31 S-DC OUT
6MHz
LPF
27
26
Y OUT
Y OUT SAG
75
Ω
6MHz
LPF
6MHz
LPF
S-DC OUT
S1/S2
+
25 GND
24
23
PY/G OUT
PY/G OUT SAG
75
Ω
12MHz
LPF
22 GND
21
20
PB/B OUT
PB/B OUT SAG
75
Ω
12MHz
LPF
19 GND
18
17
PR/R OUT
PR/R OUT SAG
75
Ω
12MHz
LPF
CLAMP
6dB
CLAMP
6dB
6dB
9
BIAS
BIAS
BIAS
6dB
BIAS
6dB
CLAMP
BIAS
MUTE1
MUTE2
H
L
L
H