Block Diagram - Audio/Amp Section - Sony HCD-DZ555K Service Manual

Q Q
6-2. BLOCK DIAGRAM – AUDIO/AMP SECTION –
3 7 6 3 1 5 1 5 0
J303(2/2)
L-CH
L
TV/VIDEO AUDIO IN R-CH
R
Q470,471,473
MO/ST DETECT
GAIN CONT
IC401 AMP
6
J401
5
AUDIO IN / MIC1/
A.CAL MIC
3
2
6
5
J402
3
MIC2
2
2
CN204(2/2) L-CH
3
DMPORT
R-CH
5
6
L-CH
R-CH
COAXIAL
FM75Ω
TUNER
UNIT
AM
TUNED
T E
L 1 3 9 4 2 2 9 6 5 1 3 PLL CK
PLL DO
PLL CE
PLL DI
ND001
F1
FLUORESCENT
F2
INDICATOR TUBE
S801 – S808
(FUNCTION KEY)
w w w
HCD-DZ555K/DZ556KB/DZ750K
DC CONT
MO/ST DET
GAIN CONT
Q474,475
–
7
+
+
1
–
IC300
ELECTRIC VOLUME
1 VIN1 VOUT1 2
MX, E32
IC305
2 ALC 8
AMP
ACAL
–
7
+ EXCEPT MX, E32
AUDIO INPUT SELECTOR-2
+
1 8 VIN2 VOUT2 7
–
NC 12 X0
IC402
Q304
AMP
4 5
MIC-DATA 1 Y0
MIC-CLK
PLUG DET1
Q302
PLUG DET2 11 X3
4 Y3
–
1
+
+
7
–
Q308
IC202
BUFFER
IC501 (2/3)
SYSTEM CONTROLLER
PLUG DET2
52 HP_SW A-SEL3 81
PLUG DET1
63 MIC/A.CAL_SW
A-SEL2 86
ACAL
91 ACAL MIC LEVEL A-SEL1 85
GAIN CONT
26 MIC GAIN A-SEL0 84
DC CONT
28 DC CONT
MO/ST DET
90 MONO/ST_DET DIAT_DET 77
MIC_DATA
76 MIC_DATA DIAT_XSCEN 66
MIC_CLK
75 MIC_CLK DIAT_XRST 65
DIAT_CSOD 23
TUNED
68 TUNED
PLL CK
69 ST_CLK
PLL DO
70 ST_DO
PLL CE
71 ST_CE
PLL DI
72 ST_DI
IC802
FL DRIVER
14 S1 7 24 FL_D_OUT/LED_DATA
DIN
| |
8 21 FL_CLK/LED_CLK
CLK
29 S16
STB 9 56 FL_STB
42 G1 DIRCSFLAG 19
| |
M_ST 79
31 G12 30 VFL
IC801
REMOTE CONTROL 4 SIRCS–IN X501
13
RECEIVER Xout 5MHz
Xin 15
SCDT
DAMP_SCDT 1
97 KEY0
SHIFT
95 | DAMP_SHIFT 2
LAT1
94 KEY2
DAMP LATCH1 47
LAT2
KEY0
74 KEY INT DAMP LATCH2 48
LAT3
DAMP LATCH3 49
INIT
50
DAMP INIT
SOFTMUTE
51
DAMP SOFT MUTE
OVF
OVERFLOW1 44
S800 10 ENA
OVF2
OVERFLOW2 45
VOLUME
ENCODER 11 ENB
VOLUME
x a o
y
RESET
DRIVE RST(EN) 42
. i
EN
DRIVE_OCP(DIAG) 43
DC-DET
DC_DET 57
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IC303
AUDIO INPUT SELECTOR-1
L-CH
15 X2
IC306
R-CH
2 Y2 AMP
A/D CONVERTER
L-CH
14 X1 X 13 3 LIN
+
1 13 VINL
2 –
R-CH
5 Y1 3 5 RIN
Y +
7 14 VINR
6 –
L-CH
11 X3
R-CH
4 Y3
IC304 L-CH
12 X0
13 R-CH
X
1 Y0
Y 3
B A
9 10
B A
9 10
Q307
Q306 Q305
Q Q
3 7 6
DIAT_DET
DIAT_XSCEN
DIAT_XRST
DIAT_CSOD
IC4501
BUFFER
ACLK MCKO
2 18
RF/VIDEO ABCK BCKO
B
5 15
SECTION
(Page 32) ALRCK LRCKO
4 16
ASDATA4 AMP_D1
8 12
RF/VIDEO ASDATA1 AMP_D2
C 7 13
SECTION
(Page 32) ASDATA2 AMP_D3
6 14
KR,RU,TW/DZ750K:TH
D506
POWER P CONT2
Q631,632
F
SECTION
PROTECT DETECT
u 1 6 3
(Page 34)
EXCEPT KR,RU,TW/DZ750K:TH
33 33
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2 4
8 9 9
RF/VIDEO
MIC 1+2
E
SECTION
(Page 32)
IC772
RF/VIDEO
AD-IN
DOUT 9 D
SECTION
(Page 32)
• Signal Path
6 8 7
KR,RU,TW/DZ750K:TH
Q651,652
BUFFER
EXCEPT KR,RU,TW/DZ750K:TH
IC651
BUFFER
D3.3V
DIAT_CSOD 1
CN1806
4
2
CSOD
DIAT_DET DET
DIAT_XSCEN XLAT
DIAT_XRST XRST
(SL/SR)D2
DIR-TC1
BCKO BCKO
LRCKO LRCKO
SCDT SDATA
SHIFT SCLK
IC3010
S-MASTER PROCESSOR
FR
31 DATA OUTR1 6
FR
MCKO
3 1 5 1 36 XFSIIN 5 0 OUTR2 4 8 9
BCKO
FL
30 BCK
LRCKO OUTL1 11
29 LRCK
FL
OUTL2 9
SCDT
21 SCDT
SHIFT
22 SCSHIFT 37
FSOCKOUT
LAT1
23 SCLATCH
INIT
27 INIT 38
FS0I
SOFTMUTE
19 SOFTMUTE
IC3051
XFS0IN 48
OSC
25 OVF FLAGL
OVF
24 OVF FLAGR XFS0OUT 14
X3051
49.152MHz
IC3003
IC3020
SELECTER
S-MASTER PROCESSOR
2
SR
5 31 DATA OUTR1 6
SR
1 MCKO
36 XFSIIN 4
OUTR2
6 BCKO
30 BCK SL
11
LRCKO OUTL1
29 LRCK
SL
9
OUTL2
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT2
23 SCLATCH
INIT
27 INIT FS0I 38
SOFTMUTE
19 SOFTMUTE
48
XFS0IN
25 OVF FLAGL
OVF
24 OVF FLAGR XFS0OUT 14
IC3030
S-MASTER PROCESSOR
C
31 DATA OUTR1 6
C
MCKO
36 XFSIIN OUTR2 4
BCKO
WF
30 BCK
11
LRCKO OUTL1
29 LRCK
WF
OUTL2 9
SCDT
21 SCDT
SHIFT
22 SCSHIFT
LAT3
23 SCLATCH
INIT
27 INIT
FS0I 38
SOFTMUTE
19 SOFTMUTE
XFS0IN 48
OVF
25 OVF FLAGL
OVF2
24 OVF FLAGR
m
c o
.
HCD-DZ555K/DZ556KB/DZ750K
Ver. 1.3
2
8 9 9
: AUDIO
: AUDIO IN
: TUNER
IC3100
S-MASTER DIGITAL AMP
TB301
25
14 PWMB LPF (+)
OUTB
27 FRONT
28 R
2 4 6 PWMA 9 OUTA 8 LPF 2 9 9 (–)
30
5 RESET
4
Q3101,3102
DC
IC3150 DETECT
S-MASTER DIGITAL AMP
28
OUTA
6 PWMA LPF (+)
30
FRONT
25 L
14 PWMB OUTB LPF (–)
27
5 RESET
4
Q3151,3152
DC
DETECT
IC3200
SPEAKER
S-MASTER DIGITAL AMP
25
OUTB
14 PWMB LPF (+)
27
SUR R
28
6
PWMA OUTA LPF (–)
30
RESET
5
4
Q3401,3402
DC
IC3250 DETECT
S-MASTER DIGITAL AMP
28
OUTA
6 PWMBP
30 LPF (+)
SUR L
14 PWMAP 25 LPF (–)
OUTB
27
5 RESET
Q3202,3201
4
DC
DETECT
IC3300
S-MASTER DIGITAL AMP
TB3901
28
6 PWMA LPF (+)
OUTA
30
CENTER
14 PWMB 25 LPF (–)
OUTB
27
5 RESET
4
Q3301,3302
DC
IC3400 DETECT SPEAKER
S-MASTER DIGITAL AMP
25
14 PWMB OUTB LPF (+)
27
WOOFER
28
6 PWMA OUTA LPF (–)
30
5 RESET
4
DC FAN
DZ750K
IC3500 +12V FAN
S-MASTER DIGITAL AMP
DRIVE
25 Q3000-3002
14 PWMB OUTB LPF
27
28
6 PWMA OUTA LPF
30
5 RESET
4
Q3251,3252
Q3551-3553
DC
PROTECT DETECT
DETECT