Read Sony CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R Service Manual online
43
HCD-BX3R/BX4R
– USB Board –
IC915 R5523N001B-TR-F
1
EN
2
GND
3
FLG
4
IN
5
OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
– MAIN Board –
IC304 R2S15904SP
24
23
22
MCU
I/F
TONE CONTROL
L-CH BASS/TREBLE
SURROUND
21
20
25
26
27
28
INR4
LOUT
ROUT
AGND
VCC
REFIN
DATA
CLK
DGND
TRER
TREL
NC
BASSL2
NC
INR3
INPUT
SELECTOR
INPUT
SELECTOR
INPUT GAIN
CONTROL
INPUT GAIN
CONTROL
MUTE
MUTE
REF
MODE
SELECTOR
VOLUME
VOLUME
INR2
INR1
INL1
INL2
INL3
INL4
IGOUTL
VOLINL
IGOUTR
VOLINR
BASSR1
BASSL1
BASSR2
19
18
17
16
15
1
2
3
5
6
7
8
9
4
10
11
12
13
14
TONE CONTROL
R-CH BASS/TREBLE
Click on the first or last page to see other CMT-BX3R / CMT-BX4R / HCD-BX3R / HCD-BX4R service manuals if exist.