Block Diagram -Amp Section - Sony HCD-FZ900KW Service Manual

5-5. BLOCK DIAGRAM – AMP Section –
AMP_D1
AMP_D2
AMP_D3
DSP BCKO
J
SECTION
BCK
(Page 26)
LRCKO
LRCK
MCKO
AMP_DMIX SD1
SD2
IC503 (5/6)
SYSTEM CONTROL
HP_MUTE/S_AIR_Rcv_SEL
DAMP_SCDT/DIR_DIN
DAMP_SHIFT/DIR_CLK
DAMP LAT1
DAMP LAT2
DAMP LAT3
DAMP INIT
SOFT MUTE
OVERFLOW1
OVERFLOW2
DRIVE RST(EN)
SD(DIAG)/PVDD_DET
• SIGNAL PATH
DC_DET
: TUNER
HCD-FZ900KW/FZ900M
DIR_CLK SHIFT
DSP
H
DIR_DIN SCDT
SECTION
(Page 26)
AMP_D3
MCK0
BCK0
LRCK0
OVF2
SCDT
DSP SHIFT
I
SECTION
LAT3
(Page 26)
NS_INIT
SOFTMUTE
AMP_D1
MCK0
BCK0
LRCK0
OVF1
SCDT
SHIFT
LAT1
NS_INIT
SOFTMUTE
AMP_D2
MCK0
BCK0
HPMUTE
71 LRCK0
SCDT
1
SHIFT
2
SCDT
LAT1
59 SHIFT
LAT2
60
LAT2
LAT3
61
NS_INIT
NS_INIT
57
SOFTMUTE
58
SOFTMUTE
OVF1
55
OVF2
56
EN
54
SD_PVDD_DET
67
DC-DET
66
PLUG_DET
AUDIO
F
SECTION
(Page 25)
FZ900KW
HEADPHONE AMP
3
2
5
6
IC3030
S-MASTER PROCESSOR
31 DATA
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
WF
OUTR1(+) 6
21 SCDT
WF
22 SCSHIFT OUTR2(–) 4
23 SCLATCH
C
27 INIT OUTL1(–) 9
C
OUTL2(+) 11
19 SOFTMUTE
FS0I 38
XFS0IN 48
IC3010
S-MASTER PROCESSOR
HP
HPOUTL2 43
HP
31 DATA HPOUTL1 45
HP
HPOUTR2 39
36 XFSIIN HP
HPOUTR1 41
30 BCK
FR
29 LRCK OUTR1(+) 6
25 OVF FLAGL FR
OUTR2(–) 4
24 OVF FLAGR
FL
21 SCDT OUTL1(+) 11
22 SCSHIFT FL
OUTL2(–) 9
23 SCLATCH
27 INIT
FS0CKOUT 37
FS0I 38
19 SOFTMUTE
IC3051
XFS0IN 48 CLOCK
OSCILLATOR
XFS0OUT 14
X3051
FZ900KW
49.1MHZ
IC3020
S-MASTER PROCESSOR FZ900M
31 DATA
SR
OUTR1(+) 6
36 XFSIIN
SR
30 BCK OUTR2(–) 4
29 LRCK
SL
OUTL1(+) 11
25 OVF FLAGL
SL
21 SCDT OUTL2(–) 9
22 SCSHIFT
23 SCLATCH
FS0I 38
27 INIT
XFS0IN 48
19 SOFTMUTE
24 OVF FLAGR
XFS0OUT 14
D3552
Q3552 – 3555
B+ DOWN PROTECT +31V
EN
Q502,503 POWER
K
BUFFER SECTION
(Page 28)
27 27
IC3001
L
1
PLUG DET
R
7
Q3081
HPMUTE Q3116—3119
H/P MUTE
DRIVE
31
16 PWM_B OUT_B
LPF
33
8 PWM_A 34
OUT_A LPF
36
7 /RESET
IC3500
DIGITAL POWER AMP
6
D3551
IC3400
DIGITAL POWER AMP
31
16 PWM_B OUT_B LPF
33
8 PWM_A 34
OUT_A LPF
36
7 /RESET
Q3251,3252
6 DC BALANCE
DETECT
IC3300
DIGITAL POWER AMP
31
16 PWM_B OUT_B LPF
33
8 PWM_A 34
OUT_A
LPF
36
7 /RESET
Q3301,3302
6
DC BALANCE
DETECT
IC3100
DIGITAL POWER AMP
31
16 PWM_B OUT_B LPF
33
8 PWM_A 34
OUT_A
LPF
36
7 /RESET
Q3101,3102
6
DC BALANCE
DETECT
IC3150
DIGITAL POWER AMP
34
8 PWM_A OUT_A LPF
36
16 PWM_B 31
OUT_B LPF
33
7 /RESET
Q3151,3152
6 DC BALANCE
DETECT
IC3200
DIGITAL POWER AMP
31
16 PWM_B OUT_B LPF
33
8 PWM_A 34
OUT_A LPF
36
7 /RESET
Q3401,3402
6 DC BALANCE
DETECT
IC3250
DIGITAL POWER AMP
34
8 PWM_A OUT_A LPF
36
16 PWM_B 31
OUT_B
LPF
33
7 /RESET
Q3202,3201
DC BALANCE
6
DETECT
Q3000 – 3002
Q3551
FAN
DC BALANCE M+14V
DRIVE
PROTECT
HCD-FZ900KW/FZ900M
FZ900KW
J5001
PHONES
MUTE
TB3901
(+)
SUBWOOFER
(–)
SPEAKER
(–)
CENTER
(+)
FZ900KW
TB5300
(+)
FRONT R
(–)
SPEAKER
(+)
FRONT L
(–)
(+)
FRONT R
(–)
(+)
FRONT L
(–)
(+)
SPEAKER
SUR R
(–)
(+)
SUR L
(–)
TB5301
FZ900M
FAN3001
DC FAN