Block Diagram - Audio Out, Panel Section - Sony HCD-C770 Service Manual

HCD-C770/C990
7-3. BLOCK DIAGRAM – AUDIO OUT, PANEL Section –
D/A CONVERTER
IC608
• SIGNAL PATH
D4
: AUDIO 3 SDTI
SCK
1 MCLK
BCKO
2 BICK
LRCKO
4 LRCK
DIGDI, DIGCLK
DIGDI
T
(Page 33) 8
CDTI
DIGCLK
7
CCLK
RSTAD
(Page 33) S
D1 – D4, SCK,
BCKO, LRCKO
Q
(Page 33)
NSMUTE
R
(Page 33)
FL DRIVER
IC802
63
DAT
62
CLK
61
CS
FLUORESCENT
RST 60
INDICATOR TUBE
FL801
OSC0 58
4 AD1
OSC1 59
3 AD2
LED DRIVER
IC801
10
DATA
D801 – 805
11
CLK
DISC1 – DISC5
12
STB
CLR 13
S801 – 805,
S811 – 825
DISC INSERT
DISC IN
X
(Page 36) DETECT
Q914
REMOTE CONTROL
RECEIVER
IC101
VOLUME
S201
SCAN SELECT
INTERLACE
SELECTABLE
I2CDATA,
I2CCLK, I2HLP
W
(Page 35)
ZIVARESET
(Page 35) V
AOUTL+ 12
L J205 (2/4)
AOUTL– 11
LOW-PASS
VIDEO 1
FILTER
AUDIO OUT
IC610
10
AOUTR+
R
AOUTR– 9
MUTING
Q207, 208
MUTING CONTROL
5 6
Q900
SYSTEM CONTROLLER
IC901 (2/3)
60 FL-DATA
57 FL-CLK
61 FL-CS
56 FL-MUTE
HPSW 64
HP-MUTE 46
47
AU-MUTE
32
DAS-CS
OSC
C818, R840
62 LED-CS
63 LED-CLR
X1 39
X901
20MHz
X2 38
KEY INPUT
DETECT
IC903, 904
93 WAKE
SIRCS DETECT
Q906, 907
1
DAMP-DATA
92 SIRCS
DAMP-CLK 2
CS1 29
30
CS2
31
ROTARY CS3
85 EN-A
ENCODER
DAMP-RST 26
86 EN-B
S800
DAMP-MUTING 27
49 PROG SW
I2CDATA
3 I2C-DATA
I2CCLK
DIP-RST 43
5 I2C-CLK
I2HLP
100 I2HLP
DIP-OCP 44
4 CQ-RST
STREAM PROCESSOR
IC305
OUTL1– 21
18
OUTL2–
OUTR1– 7
P-MUTE
4
OUTR2–
AU-MUTE
DAS-CS
D1
43 DATA OUTL1+ 24
SCK
64 XFSIIN 15
OUTL2+
BCKO
44 BCK
10
LRCKO OUTR1+
45 LRCK
1
OUTR2+
SCDT
38 SCDT
SHIFT
37 SCSHIFT
XFSOIN 28
LATCH1
36 SCLATCH
INIT
FSOCKO 73
41 INIT
PGMUTE
FSOI 74
40 PGMUTE
39 NSPMUTE
77
XFSOUT
HP-SW
STREAM PROCESSOR
HP-MUTE
IC308
AU-MUTE
DAS-CS
XFSOIN 28
D2
43 DATA OUTR1+ 10
SCK
64 XFSIIN 1
OUTR2+
BCKO
44 BCK
24
LRCKO OUTL1+
45 LRCK
15
OUTL2+
SCDT
38 SCDT
SHIFT
37 SCSHIFT
LATCH2
36 SCLATCH 74
FSOI
INIT
41 INIT
PGMUTE
XFSOUT 77
40 PGMUTE
39 NSPMUTE
STREAM PROCESSOR
IC310
XFSOIN 28
D3
43 DATA OUTL1+ 24
SCK
64 XFSIIN 15
OUTL2+
BCKO
44 BCK
10
SCDT LRCKO OUTR1+
45 LRCK
SHIFT
1
OUTR2+
LATCH1
SCDT
38 SCDT
LATCH2 SHIFT
37 SCSHIFT
LATCH3 LATCH3
36 SCLATCH 74
FSOI
INIT INIT
41 INIT
PGMUTE
PGMUTE
40 PGMUTE
39 NSPMUTE
34 34
HADPHONE
AMP
IC401 MUTING
MUTING
CONTROL
Q900, 901
Q902
D181
D180 POWER ON
MUTING
Q192
POWER AMP
IC301
6 INA OUTA 9
16 INB 19
OUTB
D105
7 17 8 18
BUFFER
IC300 POWER AMP
IC304
6 INA 9
OUTA
X300
49.152MHz
16 INB OUTB 19
D102
7 17 8 18
POWER AMP
IC307
6 INA OUTA 9
16 INB 19
OUTB
D103
7 17 8 18
POWER AMP
IC306
6 INA 9
OUTA
16 INB OUTB 19
D106
7 17 8 18
POWER AMP
IC309
6 INA OUTA 9
16 INB 19
OUTB
D104
7 17 8 18
POWER AMP
IC311
6 INA 9
OUTA
16 INB OUTB 19
D101
7 17 8 18
PROTECT DETECT
Q113, 114
J900
PHONES
D192
32V
J401
SPEAKER
(+)
FRONT
L
(–)
OVER LOAD
DETECT
Q109, 110
(+)
FRONT
R
(–)
OVER LOAD
DETECT
Q103, 104
(+)
CENTER
(–)
OVER LOAD
DETECT
Q105, 106
(+)
WOOFER
(–)
OVER LOAD
DETECT
Q111, 112
(+)
REAR
L
(–)
OVER LOAD
DETECT
Q107, 108
(+)
REAR
R
(–)
OVER LOAD
DETECT
Q101, 102
FAN
Y
(Page 36)