
15
15
HCD-SR1/SR2/SR3
HCD-SR1/SR2/SR3
2-3. BLOCK DIAGRAM — AUDIO (OUT) SECTION —
HP-SW
HP-MUTE
8 13
IC101
POWER DRIVER
IC102
POWER DRIVER
IC103
POWER DRIVER
IC104
POWER DRIVER
IC105
POWER DRIVER
IC106
POWER DRIVER
J800
(+)
(-)
13
13
13
+12V
IC108
STREAM PROCESSOR
LATCH1
INIT
SCDT
SHIFT
Q101, 102
OVER LOAD
DETECT
Q902
MUTING
CONTROL
FRONT
L
8
(+)
(-)
FRONT
R
8
(+)
(-)
IC109
STREAM PROCESSOR
IC901 (2/3)
SYSTEM CONTROLLER
IC803
FL DRIVER
VFL
D821
D819
8
(+)
(-)
(+)
(-)
IC110
STREAM PROCESSOR
REAR
L
IC107
POWER DRIVER
(+)
(-)
REAR
R
CENTER
TB301, TB302
SPEAKER
WOOFER
PHONES
D1
SCK
DAC-LAT
SBR-OUT
SB-OUT
BCKO
LRCKO
LATCH2
INIT
SCDT
SHIFT
LATCH3
INIT
SOFTMUTE
LATCH1
LATCH2
D2
SCK
BCKO
LRCKO
LAT3
SCDT
SHIFT
D3
SCK
BCKO
LRCKO
INIT
NSPMUTE
SOFTMUTE
NSPMUTE
SOFTMUTE
NSPMUTE
SOFTMUTE
SUR BACK
SCK
BCKO
LRCKO
IC608
D/A CONVERTER
DIGDI
DIGCLK
IC605
CONVERTER
FL801
FLUORESCENT
INDICATOR TUBE
Q801-804
MUTING
Q906, 907
SIRCS DETECT
Q301
PROTECT DETECT
DIGDI, DIGCLK
RSTAD
J602
D1 - D3, SCK,
BCKO, LRCKO
X450
49.152MHz
HP-SW
HP-MUTE
DAC-LAT
SCDT
SHIFT
KEY2
S800, 801, 807-809,
S815 - 818
I2CCLK
I2CDATA
Q900
SWITCH
Q607,608
MUTE DRIVE
Q810
LED DRIVE
SONY
SURROUND
BACK
X901
20MHz
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
LPF
Q103, 104
OVER LOAD
DETECT
Q105, 106
OVER LOAD
DETECT
Q107, 108
OVER LOAD
DETECT
Q109, 110
OVER LOAD
DETECT
Q111, 112
OVER LOAD
DETECT
FAN
DRIVE
Q113, 114
OVER LOAD
DETECT
IC904(3/3)
BUFFER
IC606
(1/2)
6
5
7
3
5
IC904 (1/3)
BUFFER
1
7
IC904(2/3)
BUFFER
6
2
IC606
(2/2)
2
3
1
D802
FAN
Q303,304
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.
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
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299