Sony HCD-DX255 User Manual

57
HCD-DX155/DX255
– I/O Board –
IC201 MM1623BFBE IC352 MC14052BDR2
1VCC1
2C IN
3MUTE 1
4CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150kΩ
BIAS
12CB IN
150kΩ
BIAS
CLAMP
6dB
6dB
6Y IN
7GND1
8BIAS
CLAMP
BIAS
6dB
9I/P
10CY IN
11CLP
13MUTE2
5YC MIX
+
6dB–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75Ω
DRIVER
20 CY OUT
75Ω
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75Ω
DRIVER
CLAMP
150kΩ
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14CR IN
150kΩ
BIAS
16 CR OUT
75Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
– LED Board –
2
3 4
5
6 7 8 9 10
11
17 16 15 14 13
12
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
OUTPUT
BUFFER
(OPEN DRAIN)
1920
VDD OE Q11
18
Q11 Q10 Q9 Q8 Q7 Q6 Q5
Q4 Q3 Q2 Q1 Q0
LCK CLK
DATA
NC
1
VSS
IC803 BU2099FVIC3050 TK11118CSCL-G
1 2 3
5 4
VCONT
GND
NP
VIN VOUT
CONTROL
CIRCUIT
OVER HEAT &
OVER CURRENT
PROTECTION
BANDGAP
REFERENCE
– MAIN Board –

Sony HCD-DX255 Specifications

General

Brand	Sony
Model	HCD-DX255
Category	Receiver
Language	English