Sony HT-CT260H, Руководство по обслуживанию

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HT-CT260H
HT-CT260H
34 34
3-20. PRINTED WIRING BOARD - IR Board -
IR BOARD
(COMPONENT SIDE)
IR BOARD
(CONDUCTOR SIDE)
A
B
1 2
3-21. SCHEMATIC DIAGRAM - IR Board -
IR2 IR2
XP4
2PIN/2.0mm
XP4 2PIN/2.0mm
IR1 IR1
1 2
3
4
1 2
GND
GND
IR BOARD
A
B
1
15
M3
IN1A
V
L
CONFIG
PWRDN
FAULT
TRI-STATE
TH_WAR
IN1B
V
DD
V
DD
V
SS
V
SS
V
CC
SIGN
V
CC
SIGN
GND-Reg
GND-Clean
IN2A
PROTECTIONS
&
LOGIC
REGULATORS
29
23
24
25
27
26
28
30
21
22
33
34
35
36
M2
M5
M4
17
16
OUT1A
GND1A
OUT1A
V
CC
1A
14
12
10
11
OUT1B
GND1B
OUT1B
V
CC
1B
13
7
M17
M15
M16
M14
8
9
OUT2A
GND2A
OUT2A
V
CC
2A
6
4
2
3
OUT2B
GND2B
OUT2B
V
CC
2B
5
19
31
20
GNDSUB
1
IN2B
32
Ver. 1.1
• : Uses unleaded solder. • See page 17 for Circuit Boards Location.
• IC Block Diagram
– MAIN Board –
U701 STA516B