Read Sony DAV-FZ900KW / DAV-FZ900M / HCD-FZ900KW Service Manual online
HCD-FZ900KW/FZ900M
HCD-FZ900KW/FZ900M
27
27
5-5. BLOCK DIAGRAM – AMP Section –
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
3
1
2
6
DATA
36 XFSIIN
AMP_D1
AMP_D3
DIR_CLK
SHIFT
DIR_DIN
SCDT
AMP_D2
AMP_D3
MCK0
BCK0
LRCK0
BCK0
LRCK0
OVF2
SCDT
SHIFT
LAT3
NS_INIT
SCDT
SHIFT
LAT3
NS_INIT
SOFTMUTE
AMP_D1
AMP_D2
MCK0
BCK0
LRCK0
BCK0
LRCK0
OVF1
SCDT
SHIFT
LAT1
NS_INIT
SCDT
SHIFT
LAT1
NS_INIT
SOFTMUTE
MCK0
BCK0
LRCK0
BCK0
LRCK0
SCDT
SHIFT
LAT2
NS_INIT
SHIFT
LAT2
NS_INIT
SOFTMUTE
PLUG_DET
BCKO
LRCKO
MCKO
AMP_DMIX
AMP_DMIX
BCK
LRCK
SD1
SD2
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
OUTR1(+)
4
OUTR2(–)
9
OUTL1(–)
11
OUTL2(+)
48
XFS0IN
38
FS0I
31
-
33
34
34
-
36
OUT_A
LPF
SUBWOOFER
TB3901
SPEAKER
CENTER
PHONES
J5001
IC3400
DIGITAL POWER AMP
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
34
-
36
OUT_A
IC3500
DIGITAL POWER AMP
PLUG DET
HPMUTE
FZ900KW
Q3116—3119
MUTE
Q3081
H/P MUTE
DRIVE
L
R
IC3001
HEADPHONE AMP
LPF
Q3251,3252
DC BALANCE
DETECT
D3551
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
34
-
36
OUT_A
LPF
IC3300
DIGITAL POWER AMP
LPF
Q3301,3302
DC BALANCE
DETECT
16 PWM_B
HP
HP
HP
HP
WF
WF
C
C
FR
FR
FL
FL
SR
SR
SL
SL
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
34
-
36
OUT_A
LPF
IC3100
DIGITAL POWER AMP
LPF
Q3101,3102
DC BALANCE
DETECT
8 PWM_A
16 PWM_B
7
6
/RESET
SD
OUT_A
34
-
36
31
31
-
33
OUT_B
LPF
IC3150
DIGITAL POWER AMP
IC3051
CLOCK
OSCILLATOR
LPF
Q3151,3152
DC BALANCE
DETECT
16 PWM_B
8 PWM_A
7
6
/RESET
SD
OUT_B
31
-
33
34
34
-
36
OUT_A
LPF
IC3200
DIGITAL POWER AMP
IC3020
S-MASTER PROCESSOR
IC3010
S-MASTER PROCESSOR
IC503 (5/6)
SYSTEM CONTROL
IC3030
S-MASTER PROCESSOR
LPF
Q3401,3402
DC BALANCE
DETECT
8 PWM_A
16 PWM_B
7
6
/RESET
SD
OUT_A
34
-
36
31
31
-
33
OUT_B
M+14V
LPF
IC3250
DIGITAL POWER AMP
LPF
Q3202,3201
DC BALANCE
DETECT
Q3551
DC BALANCE
PROTECT
Q3552 – 3555
B+ DOWN PROTECT
D3552
EN
+31V
Q502,503
BUFFER
FAN
DRIVE
Q3000 – 3002
31
6
DATA
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
OUTR1(+)
41
HPOUTR1
39
HPOUTR2
45
HPOUTL1
43
HPOUTL2
71
HP_MUTE/S_AIR_Rcv_SEL
1
DAMP_SCDT/DIR_DIN
2
DAMP_SHIFT/DIR_CLK
59
DAMP LAT1
60
DAMP LAT2
61
DAMP LAT3
57
DAMP INIT
58
SOFT MUTE
55
OVERFLOW1
56
OVERFLOW2
HPMUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
LAT2
LAT3
NS_INIT
SOFTMUTE
OVF1
OVF2
OVF2
EN
SD_PVDD_DET
DC-DET
54
DRIVE RST(EN)
67
SD(DIAG)/PVDD_DET
66
DC_DET
4
OUTR2(–)
11
OUTL1(+)
9
OUTL2(–)
48
XFS0IN
14
XFS0OUT
X3051
49.1MHZ
38
FS0I
37
FS0CKOUT
31
6
DATA
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
30 BCK
29 LRCK
25 OVF FLAGL
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
24 OVF FLAGR
OUTR1(+)
4
OUTR2(–)
11
OUTL1(+)
9
OUTL2(–)
48
XFS0IN
14
XFS0OUT
38
FS0I
5
7
6
(+)
(–)
(–)
(+)
FAN3001
DC FAN
K
POWER
SECTION
F
AUDIO
SECTION
J
I
DSP
SECTION
DSP
SECTION
• SIGNAL PATH
: TUNER
H
DSP
SECTION
LPF
LPF
TB5300
TB5301
FZ900KW
FZ900KW
FZ900KW
FZ900M
FZ900M
FRONT R
FRONT L
SPEAKER
SPEAKER
FRONT R
FRONT L
(+)
(–)
(+)
(–)
SUR R
(+)
(–)
SUR L
(+)
(–)
(+)
(–)
(+)
(–)
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(Page 26)
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