Block Diagram - Amp Section - Sony HCD-GNX660 Servise Manual

Q Q
3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM – AMP SECTION –
• Signal Path
: AUDIO
SW
MAIN FRONT-L
B
SECTION
(Page 28)
FRONT-R
FEED BACK FEED BACK
SWITCH SWITCH
Q151 Q101
IC03
CLOCK GENERATOR
1
2
T E
3
L 1 3 9 4 2 2 9 6 5 1 3
w w w
HCD-GNX660
IC12
A/D CONVERTER
DOUT_2
DOUT 12
2
RIN
LRCK
LRCK 10
BCK
BCK 11
15 SCKI 7
PDWN
IC11
A/D CONVERTER
DOUT_1
12
1 LIN DOUT
2 RIN
LRCK
LRCK 10
BCK
BCK 11
15 SCKI 7
PDWN
7
X001
6
12.288MHz
IC802
XFSIIN
5 2 4
IC403 (2/2)
SIGNAL IN/OUT CONTROL
ADC-RESET 22
NSPMUTE
9
SM-NSP-MUTING
INIT
12
SM-INIT
SOFTMUTE
SM-SOFT-MUTING 10
24
FAN CTRL
IC401 (4/5)
SYSTEM CONTROL
SCDT
78
SM-DATA
SCSHIFT
77
SM-CLK
SCLATCH1
76
SM-LATCH-1
SCLATCH2
79
SM-LATCH-2
SM RESET 65
72
SM-SD
86
HP-MUTE
HP-DET 85
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y
. i
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8
IC600
STREAM PROCESSOR
SW
DOUT2
31 DATA OUTR1 6
SW
XFSIIN
36 XFSIIN OUTR2 4
BCK1
30 BCK
LRCK1
29 LRCK
SCDT
21 SCDT
SCSHIFT
FSOCKO 37
22 SCSHIFT
SCLATCH2
23 SCLATCH 38
FS0I
INIT
27 INIT
NSPMUTE
18 NSPMUTE
SOFTMUTE
SOFTMUTE 48
19 XFS0IN
IC500
STREAM PROCESSOR
R
DOUT1
31 DATA 6
OUTR1
R
XFSIIN
36 XFSIIN 4
OUTR2
BCK1
L
30 BCK
11
LRCK1 OUTL1
29 LRCK
L
OUTL2 9
SCDT
21 SCDT
SCSHIFT
22 SCSHIFT
14
SCLATCH 1 XFS0OUT
23 SCLATCH
INIT 37
FSOCKO
27 INIT
NSPMUTE
FS0I 38
18 NSPMUTE
SOFTMUTE
19 SOFTMUTE IC800
XFS0IN 48
OSC
Q Q
3 7 6 3
X800
43 39
49.152MHz
IC880
5 7
3 1
u 1 6 3
.
29 29
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9 2 4 9 8
IC650
POWER DRIVER
25
14 PWM-B OUTB
LPF
27
6 PWM-A
28
OUTA LPF
5 RESET
30
4
DC DETECT
Q865, 866
IC550
POWER DRIVER
25
14 PWM-B
OUTB LPF
27
6 PWM-A
28
LPF
OUTA
5 RESET
30
4
DC DETECT
Q855, 856
IC530
POWER DRIVER
28
6 PWM-A
OUTA LPF
30
14 PWM-B
25
1 5 1 5 OUTB 0 LPF 8 9 2 4
5 RESET
27
4
DC DETECT
Q850, 851
HP MUTE HP MUTE
Q1450,1451 Q1400,1401
MUTE SWITCH
Q486
PROTECT DETECT
Q840
m
c o MAIN ON/OFF
DELAY
Q156, 157
DISPLAY/POWER
F
SECTION
(Page 30)
HCD-GNX660
Ver. 1.2
2 9 9
TM1500
(+)
SUB
WOOFER
(–)
(+)
R
(–)
FRONT
SPEAKER
(+)
L
9 8 2 9 9 (–)
J1401
PHONES
M891
DC FAN
FAN DRIVE
UNREG
Q580,582,
+12V
Q584,585