Sony HCD-GN77D - Block Diagram: Main Section; Volume Control, CPU Interface, Input Select; Surround Buffer, System Control, Section Links

HCD-GN77D
2929
J117
J601 (2/2)
E
(Page 28)
(Page 28)
G
(Page 28)
F
R-CH
VOLUME
CONTROL
CPU
INTERFACE
INPUT
SELECT
SWITCH
SURROUND OR
DPL BUFFER
MID/
BASS &
TREBLE
R-CH
R-CH
COMMAND
F OUT2
OUT1
VL
IN1
+
Q101
R-CH
R-CH
SPEANA
D130
DBFB
F/B
F-R
F-L
REAR-L
CENTER-L
REAR-R
AC CUT DETECT
+
+
+
RV722
MIC AMP
IC722 (2/2)
INPUT SELECT SWITCH,
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC102
AUDIO OUT
SWITCH
IC730
SYSTEM CONTROL
IC501
(3/5)
SURROUND
VOL CONTROL
IC103
INA1
INEX1
SUR1
IND1
L+R
DATA CLK BB-A1 BB-B1
SWOUT
REC-L
R-CH
TAPE L-CH
TUNER/TAPE
SECTION
TUNER/TAPE
SECTION
TUNER L-CH
DOWNMIX-L
DOWNMIX-R
FRONT-L
FRONT-R
CENTER
SURROUND-L
SURROUND-R
SW (LFE)
DATA CLOCK
VOLUME-DATA
VOLUME-CLK
LINE MUTE
MIC DETECT
SPEANA MUTE
AUDIO-DATA
AUDIO-CLK
AUDIO OUT
SW-RELAY
R-CH
R-CH
Q730
R-CH
J721
L
R
MD/VIDEO
(AUDIO)
IN
L
R
AUDIO
LPF
I/F
R-CH
GAME
INPUT
J730
AUDIO OUT
RY701
2
14 15
24
4
2
3
1
13
5
18
22 1621
5
3
6
INB1
INC1
4
L
R
J716
SUBWOOFER
19
41
40
37
39
38
DVD DSP
(2/2)
SECTION
MIC
MIC AMP
IC722(1/2)
ECHO LEVEL
RV721
MIC LEVEL
VC (+5V)
C
(Page 27)
17
8
MIC
RECB1
7
42
MIC OUT
VC
(+5V)
A+9V
C
A
B
C
A
B
SUR2
A+9V
41
34
2
33
32
+
1 8
DIGTAL
ECHO
IC721
LPF2
OUT
LPF1
IN
• R-ch is omitted due to same as L-ch.
+5V REG.
Q721
VC (+5V)
13
12
6
5
10
9
15
24
14
86 87 79 80 82 7071 6877
+
AMP
SECTION
J
K
I
H
(Page 30)
AMP
SECTION
(Page 30)
DISPLAY
SECTION
TUNER/TAPE
SECTION
(Page 31)
AMP
SECTION
(Page 30)
11
4
31
25
30
29
8
7
23
28
27
26
22
3
MUTE
Q620, 670
MUTE
Q799
Q802 Q803
Q105
MUTE
MUTE
Q800
Q650,651
BUFFER
MUTE
Q801
MUTE
Q798
17 18
RELAY DRIVE
Q701, 702
• SIGNAL PATH
: TUNER (FM/AM)
: DVD
: TAPE PLAY
: GAME IN (AUDIO)
: RECORD
: MIC INPUT
: MD/VIDEO (AUDIO) IN
– MAIN Section –
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