Sony HCD-FX900KW Service Manual ▷ View online
41
41
HCD-FX900KW
HCD-FX900KW
7-4. BLOCK DIAGRAM – AUDIO SECTION –
: AUDIO
: MIC
•
Signal Path
: AUDIO IN
: DIGITAL IN(OPTICAL IN)
: DIGITAL IN(COAXIAL IN)
: TUNER
IC401
AMP
+
–
6
5
7
+
–
3
2
1
Q470-473,476
MO/ST DETECT
+
GAIN CONT
DC CONT
MO/ST DET
PLUG DET1
Q474,475
GAIN CONT
MUTING
Q300,310,320
MUTING
Q477,478
IC350
AUDIO INPUT SELECTOR
IC351
AUDIO INPUT SELECTOR
IC371
ELECTRONIC VOLUME CONTROLLER
4 Y3
2 Y2
5 Y1
13
X
3
Y
1 Y0
A
A SEL1
A SEL0
10
B
9
11 X3
15 X2
L-CH
R-CH
14 X1
12 X0
Q395
Q396
Q397
Q391
Q393
IC360
AMP
+
–
2
1
+
–
5
6
7
LIN
RIN
12 X0
3
Y
A
1 Y0
14 X1
5 Y1
13
X
1
8
VIN2
VIN1
10
82 A_SEL0
83 A_SEL1
69 TUNED
TUNED
70 ST_CLK
PLL CK
PLL DO
PLL CE
PLL DI
71 ST_DO
72 ST_CE
73 ST_DI
91 A.CAL MIC LEVEL/A_SEL2
26 MIC GAIN
28 DC CONT
90 MONO/ST DET
100 MIC/A CALSW
A SEL2
GAIN CONT
MO/ST DET
PLUG DET1
79 V_SEL0
80 V_SEL1
84 V_SEL2
81 TVSEL/V_SEL3
AV_SEL0
AV_SEL1
AV_SEL2
AV_SEL3
J203
TV/VCR1
TV/VCR1
TUNER
SECTION
J401
AUDIO IN/
L-CH
R-CH
L
L
R
R
TUNED
VOUT1
VOUT2
DATA
CLK
PLL CK
PLL DO
PLL CE
PLL DI
D
VIDEO
SECTION
(Page 39)
D433
D470
36 KARAOKE MODE
KRMOD
52 HP_SW MIC2_SW
76 MIC_DATA
75 MIC_CLK
DC CONT
29
30
I2C CLK
I2C CLK
I2C DATA
I2C DATA
3
4
CN502
SOFT JIG
TV/VCR2
TV/VCR2
L
R
L
R
L
L
L
R
L
R
R
R
5
7
4
2
(2/2)
IC372
AMP
+
–
2
3
1
MIC 1/
A.CAL MIC
IC402
AMP
–
1
2
3
J402
MIC 2
AM
FM
75
COAXIAL
Ω
AUDIO IN
3
IC702
DIGITAL AUDIO
INTERFACE
14
BCK
15
LRCK
36
DI
35
DO
38
CL
37
CE
25
CFALAG
48
XSTATE
DIR_HDOUT
DIR_CLK
DIR_HCE
DIR_HCE
CS FLAG
DIR_RST
34
ERROR
24
AUDIO
79 DAI_P12
DAI_P19
DAI_P18
D2
D3
94 DAI_P20
81
80
DAI-P13
DAI-P14
89
88
13 CKOUT
A
B
Y
4 DIN1
5 DIN2
X701
12.288MHz
22
21
XIN
XOUT
X1
25MHz
CLKIN
143
142
XTAL
15 FLAG1
86
DAI_P16
DAI_P17
DAI_P17
DAI_P20
87
94
64
DSPOA
65
DSPOB
70
DSPOC
SPICLK
RESET
MISO
LRCKO
BCKO
MCK
D1
D3
D2
IC302
INVERTER
IC771
AND GATE
IC701
A/D CONVERTER
IC2
DIGITAL AUDIO PROCESSOR
2
DOUT
1
MCLK
3
LRCK
19 AINL
IC704
SELECTOR
LRCK0
10
1
3B
A/B
9
3Y
7
2Y
4
1Y
12
4Y
11 3A
BCKO
6 2B
5 2A
D1
MCK0
3 1B
2 1A
14 4A
13 4B
16 AINR
2
4
2
4
6
BCLK
17
XSTATE
126
121
125
16 FLAG1
97 FLAG2
78 DSPIA
127 HDIN
16
DATA
DIR_ZERO
DIR_DATA
DIN
DIN
DIR_HDOUT
DIR_CLK
DIR_CLK
DIR_HCE
XSTATE
DIR_RST
CSFLAG
DIR_RERR
DIR_RERR
DIR_ZERO
1
IC501 (2/4)
SYSTEM CONTROLLER
5
DSP DIN/DIR DIN
3
DSP INTR
122 SPIDS
56
DSP_SPIDS
63
DIR HDOUT
7
DSP DIN/DIR CLK
59
DIR HCE
61
DIR XSTATE
57
SEL_SA_CD
58
DIR RST
6
DSP_MISO
55
DSP_RESET
19
DIR_CSFLAG
60
DIR_RERR
18
DIR_ZORO
LRCKO
BCKO
D1
D2
D2
D3
MCKO
IC301
OPTICAL
J302
OUT
1
OPTICAL
DIGITAL IN
COAXIAL IN
IN
RF SECTION
AMP SECTION
(Page 38)
(Page 40)
A
E
42
42
HCD-FX900KW
HCD-FX900KW
7-5. BLOCK DIAGRAM – POWER SECTION –
F1
F2
F2
VFL
TO FLUORESCENT
INDICATOR TUBE
T801
DC/DC
CONVERTER
IC503
RESET
D801,802
D804,805
D804,805
Q801
12
RESET
20
AC_CUT
40
P CONT2
41
P CONT3
IC501 (4/4)
SYSTEM CONTROLLER
+5V
39
P CONT1
IC941
+12V REG
IC931
VOLTAGE
DETECT
IC300
+9V REG
D943
D942
D944
D941
D922
D910
Q921
IC921
POWER
PROTECTION
T902
TRANSFORMER (SUB)
T901
TRANSFORMER(MAIN)
PC902
PHOTO
COUPLER
D931
D905
Q943,947
PC901
PC903
D901
E4V
E 4V
+3.3V
+31.5V
IC901
POWER
PROTECTION
AC IN
SW+3.3V,+3.3V
A+5V
PHOTO
COUPLER
PHOTO
COUPLER
REG
IC703
+3.3V REG
IC105
+3.3V REG
IC942
D+5V REG
IC943
+3.3V REG
IC703
+2.6V REG
IC1
+1.2V REG
IC951
VOLTAGE
DETECT
IC110
+1.8V REG
IC3050
+1.8V REG
+6V
SW+9V
VOLTAGE
DETECT
Q901
VOLTAGE
CONTROLLER
Q945
MOTOR DRIVE
CONTROLLER
+3.3V
IC707
+5V REG
+5V
+9V
A12V
+1.8V
D502
D504
E3.3V
BMP3.3V
+1.8V
+1.2V
+2.6V
Q504
5V SW
Q503
SWITCH
IC502
+3.3V REG
+3.3V
IC702
+1.8V REG
+1.8V
SW +5V
RECT
OSC
D3.3V
IC107
+3.3V REG
RF+3.3V
IC504
+5VREG
C
RF SECTION
(Page 38)
IC1800
+9V REG
IC1801
+2.5V REG
+2.5V
+9V
F901
POWER
Thermistor
LINE
FILTER
43
43
HCD-FX900KW
HCD-FX900KW
7-6. BLOCK DIAGRAM – DIAT SECTION –
Signal Path
: AUDIO
IC1802
LEVEL SHIFT
IC1803
LEVEL SHIFT
IC1804
RF MODULATOR
D/A CONVERTER
D/A CONVERTER
15 SWDT
64 XRST
21
DAAOUT
50 BCK
49 LRCK
DIR-T1
41 APS
48 DTIN
16 CSOD
SCLK
XLAT
SDATA
CSOD
XRST
D2(SL/SR)
BCKO
LRCKO
6
4
5
10
9
13
12
1
2
8
11
3
13 SCLK
14
6
11
XSCEN
54 C SST
57 O SCI
59 OSCO
60 XTCK4
8
5
12
9
4
13
10
Q1801
BUFFER
DIAT SIGNAL
RF LEVEL
IC1805
RF AMP
J1801
RV1801
3
4
4
1
X1801
24.576MHz
RF
SECTION
F
AMP
SECTION
G
(Page 40)
(Page 38)
44
44
HCD-FX900KW
HCD-FX900KW
7-7. PRINTED WIRING BOARDS – CHANGER SECTION –
• Semiconductor
Location
Ref. No.
Location
D701
C-4
D711
C-4
D721
C-4
IC701
C-4
IC711
D-4
IC721
C-4
IC751
C-2
Q731
B-5
•
See page 37 for Circuit Boards Location.
:Uses unleaded solder.
IC701
IC721
IC711
IC751
In the midst disc is moving
between play position and stocker
ON : disc is play position side
OFF : disc is stocker side
between play position and stocker
ON : disc is play position side
OFF : disc is stocker side
OFF: In the Midst disc is moving
between play position and
stocker
stocker
S716 (STOCKER IN/OUT)
S717 (DISC POSITION)
S718 (STOCKING)
ON:The moment disc in/out
from stocker
S715
CN731
1
2
A
B
C
D
E
3
4
5
6
7
9
8
MAIN
BOARD
CN621
(Page 55)
RELAY BOARD
SW(1) BOARD
SW(2) BOARD
SW(4) BOARD
SW(3) BOARD
D
S716
CN761
CN721
CN711
S714
S711
S713
LP761
M761
S718
CN741
S717
S771
M771
CN771
CN751
M781
CN781
S702
CN703
C781
JW708
D711
R711
R712
JW706
JW707
R722
R721
JW710
JW711
D701
R702
JW712
CN702
R734
R731
R732
C771
JW714
R701
D721
JW705
C765
C711
Q731
JW721
JW723
JW724
C758
CN705
CN704
C754
CN706
CN708
CN707
JW713
JW719
JW715
JW716
JW717
JW718
C764
C763
C762
JW727
JW709
JW720
JW722
C761
JW704
JW703
JW702
JW701
CN710
R733
CN701
JW729
JW730
JW725
JW728
C756
C755
C768
C767
C766
C769
JW731
JW732
JW733
JW734
JW726
JW735
C752
C753
C751
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