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6-4. BLOCK DIAGRAM – AMP SECTION –
• Signal Path
: AUDIO
AMP_D1-D3
AMP_BCK0,LRCK0,MCK0
RF
A
SECTION
(Page 30)
IC802
FL DRIVER
7
DIN
8
CLK
9
STB
ND001
30
VFL
FLUORESCENT
INDICATOR TUBE
F1
F2
S801 – S808
(FUNCTION KEY)
E3.3V
IC801
REMOTE CONTROL
RECEIVER
S800
VOLUME
ENCODER
VOLUME
HCD-DZ230/DZ231/HDZ235
IC501 (4/5)
SYSTEM CONTROLLER
24 FL_D_OUT/LED_DATA
21 FL_CLK/LED_CLK
56 FL_STB
AMP_D0-D3
19
DIRCSFLAG
D3071-D3073
X501
Xout
13
5MHz
74 KEY INT
Xin
15
IC3003
SELECTER
2
5
1
6
79
M_ST
AMP_D2
4 SIRCS–IN
HPMUTE
HP_MUTE
53
PLUG_DET2
52
HP_SW
SCDT
DAMP_SCDT
1
SHIFT
DAMP_SHIFT
2
LAT1
DAMP LATCH1
47
10 ENA
LAT2
DAMP LATCH2
48
LAT3
11 ENB
DAMP LATCH3
49
INIT
DAMP INIT
50
SOFTMUTE
DAMP SOFT MUTE
51
OVF
OVERFLOW1
44
OVF2
45
OVERFLOW2
RESET
DRIVE RST(EN)
42
EN
DRIVE_OCP(DIAG)
43
DC-DET
DC_DET
57
IC3030
S-MASTER PROCESSOR
WF
AMP_D3
31 DATA
OUTL1
11
WF
MCK0
36 XFSIIN
OUTL2
9
BCK0
30 BCK
C
6
LRCK0
OUTR1
29 LRCK
C
4
25 OVF FLAGL
OUTR2
OVF2
24 OVF FLAGR
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT3
23 SCLATCH
INIT
27 INIT
FS0I
38
SOFTMUTE
19
SOFTMUTE
XFS0IN
48
IC3010
S-MASTER PROCESSOR
HP
HPOUTL2
43
HP
45
HPOUTL1
HP
39
HPOUTR2
HP
41
AMP_D1
HPOUTR1
31 DATA
FR
6
OUTR1
MCK0
FR
36 XFSIIN
4
OUTR2
BCK0
FL
30 BCK
11
LRCK0
OUTL1
29 LRCK
FL
OUTL2
9
25 OVF FLAGL
OVF
24 OVF FLAGR
SCDT
21 SCDT
SHIFT
37
FSOCKOUT
22 SCSHIFT
LAT1
23 SCLATCH
38
FS0I
INIT
27 INIT
IC3051
48
XFS0IN
OSC
SOFTMUTE
19 SOFTMUTE
14
XFS0OUT
X3051
49.1MHz
IC3020
S-MASTER PROCESSOR
SR
31 DATA
6
OUTR1
SR
MCK0
36 XFSIIN
4
OUTR2
BCK0
30 BCK
SL
OUTL1
11
LRCK0
29 LRCK
SL
OUTL2
9
25
OVF FLAGL
SCDT
21
SCDT
SHIFT
22
SCSHIFT
LAT2
23 SCLATCH
FS0I
38
INIT
27 INIT
SOFTMUTE
19 SOFTMUTE
48
XFS0IN
24 OVF FLAGR
XFS0OUT
14
Q631,632
POWER
E
PROTECT DETECT
SECTION
(Page 34)
33
33
HCD-DZ230/DZ231/HDZ235
IC3001
COMPARATOR
3
+
L
1
R
2
–
5
+
7
6
–
PLUG DET2
Q450,451
HPMUTE
Q3081
Q460,461
MUTE SW
MUTE
IC3400
SPEAKER
S-MASTER DIGITAL AMP
25
14 PWMB
LPF
OUTB
27
28
LPF
6
PWMA
OUTA
30
RESET
5
Q3251,3252
4
DC
DETECT
IC3300
S-MASTER DIGITAL AMP
25
6 PWMA
LPF
OUTB
27
14
PWMB
OUTA
28
LPF
30
RESET
5
Q3301,3302
4
DC
DETECT
IC3100
S-MASTER DIGITAL AMP
25
14 PWMB
OUTB
LPF
27
28
LPF
6
PWMA
OUTA
30
5
RESET
Q3101,3102
4
DC
DETECT
IC3150
S-MASTER DIGITAL AMP
28
OUTA
6 PWMA
LPF
30
25
14
PWMB
OUTB
LPF
27
5
RESET
Q3151,3152
4
DC
DETECT
IC3200
S-MASTER DIGITAL AMP
25
OUTB
14 PWMB
LPF
27
28
6
PWMA
LPF
OUTA
30
RESET
5
Q3401,3402
4
DC
DETECT
IC3250
S-MASTER DIGITAL AMP
28
OUTA
6 PWMAP
LPF
30
25
14
LPF
PWMBP
OUTB
27
5
RESET
Q3202,3201
DC
4
DETECT
DC FAN
Q3551-3553
FAN
+12V
DRIVE
PROTECT DETECT
Q3000-3002
J402
PHONES
(+)
WOOFER
(–)
TB3901
(+)
CENTER
(–)
(+)
FRONT
R
(–)
(+)
FRONT
L
(–)
TB301
(+)
SUR R
(–)
(+)
SUR L
(–)
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