30
30
HCD-GNZ77D/GNZ88D
HCD-GNZ77D/GNZ88D
6-4. BLOCK DIAGRAM — AUDIO SECTION —
41
4
2
7
9
43
3
SERIAL CLOCK
BUFFER
IC3
SYSTEM CONTROL
IC401(2/4)
E–3
OPEN SWITCH
SM LATCH3
79
SM LATCH2
76
SM LATCH1
77
SM CLK
78
SM DATA
65
SM RESET
72
SM SD
86
HP MUTE
85
HP DET
44 E–2
45 E–1
42 TABLE SENSE
48 LM–F
DBFB FEED BACK
FRONT L
R-CH
ADC RESET
SL OUT
R-CH
IC701
M751
(LOADING)
M741
(TABLE)
LOADING
MOTOR
DRIVE
4
2
IC712
TABLE
MOTOR
DRIVE
M
M
Q731
IC731
TABLE
ADDRESS
SENSOR
11
A/D CONVERTER
IC11
A/D CONVERTER
IC12
1
2
7
1
15
12
10
12
11
D/A CONVERTER
IC500
SUB WOOFER AMP
IC812
CLOSE OPEN
RE701
G
MAIN
SECTION
D
MAIN
SECTION
F
MAIN
SECTION
E
MAIN
SECTION
S751
OPEN/CLOSE
DETECT
DISC TRAY
ADDRESS
DETECT
L IN
R IN
31 DATA
R–CH
OUTL1
OUTL2
OUTR1
OUTR2
XFSOIN
XFSOOUT
HPOUTL1
HPOUTL2
HPOUTR1
HPOUTR2
NSPMUTE
SOFTMUTE
SCDT
SCSHIFT
SCLATCH
INIT
FSOCKO
29 LRCK
30 BCK
36 XFSIIN
2 R IN
SCKI
15 SCKI
PDWN
7
L IN
D OUT
LRCK
BCK
D OUT
10
LRCK
11
BCK
SW OUT
CENTER
1
12
2
15
7
49 LM–R
46 TM–F
47 TM–R
7
9
10
11
9
6
R–CH
4
18
D/A CONVERTER
IC700
36 XFSIIN
31 DATA
30 BCK
29 LRCK
NSPMUTE
SOFTMUTE
SCDT
SCSHIFT
19
21
22
23
SCLATCH
INIT
FSOI
XFSOIN
27
38
48
OUTL1 11
OUTL2 9
HPOUTR1 41
HPOUTR2 39
11
D/A CONVERTER
IC600
36 XFSIIN
R-CH
R-CH
31 DATA
30 BCK
29 LRCK
21 SCDT
14 XFSOOUT
19 SOFTMUTE
18 NSPMUTE
37 FSOCKO
22 SCSHIFT
27 INIT
48 XFSOIN
GNZ88D
GNZ88D
GNZ88D
SW OUT
INIT
NSP MUTE
SOFT MUTE
38 FSOI
23 SCLATCH
OUTL1
OUTL2
OUTR1
OUTR2
9
AMP (SURROUND)
IC630
AMP (CENTER)
IC730
33
4 PWM A
UNREG+8V
6 PWM B
OUT A
OUT B 30
OUT C 25
OUT D 22
/SD 3
RESET AB 5
RESET CD 15
/SD 4
/RESET 5
6
4
R-CH
R-CH
R-CH
R-CH
R-CH
FAN DET
R-CH
R-CH
AMP (FRONT LCH)
IC530
14 PWM B
6 PWM A
DC DETECT
Q850,851
OUT A
4
/SD
5
/RESET
R–CH
41
R–CH
39
45
43
14
48
18
19
21
22
23
27
37
FSOI 38
28
l
30
OUT B
25
l
27
OUT A
28
l
30
OUT B
25
l
27
HP AMP
IC880
IC803
6 PWM A
14 PWM B
GNZ77D
DC DETECT
Q860,861
DC DETECT
Q870,871
FRONT
SPEAKER
L
R
TM1500 (1/3)
SURROUND
SPEAKER
PHONES
J1401
L
R
CENTER
SPEAKER
MUTE
Q1400,1401
DC DETECT
Q840
SERIAL CLOCK
BUFFER
IC800
MUTE CONTROL
Q486
D486
TM1500 (2/3)
TM1500 (3/3)
X1
12.288MHz
X800
49MHz
PDWN
A/D CONVERTER
IC13
R IN
SCKI
L IN
D OUT
LRCK
BCK
PDWN
• Signal path
: AUDIO
: DIGITAL
(Page 29)
(Page 29)
(Page 29)
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TEL 13942296513 QQ 376315150 892498299
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