Sony HCD-FX900KW Service Manual ▷ View online
77
HCD-FX900KW
•
IC Block Diagrams
IC701, 711, 721 BA6956AN
IC150, IC705 SN74LVC1G08DCKR
– RELAY Board –
– DMB12 Board –
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT
-
OUT+
GND
VCC
VM
IN+
GND
IN-
1
2
3
Vcc
5
GND
4
A
B
Y
– MAIN Board –
IC3100, IC3150, IC3200, IC3250, IC3300, IC3400, IC3500 CXD9883M
1
10
9
8
11
12
13
14
7
6
15
16
17
18
3
4
5
20
19
2
AGND
GND
GND
PGND
PGND
PGND
PGND
PGND
PGND
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
Stuck
Detect
Stuck
Detect
Timing
Control
Timing
Control
Protection
Logic
Protection
Logic
Gate
Drive
Gate
Drive
Gate
Drive
Gate
Drive
Over
Current
Fault
Over
Current
Fault
Over
Current
Fault
Over
Current
Fault
Programmable
Current sense
OUT_B
OUT_B
OUT_B
PVDD_B
PVDD_B
PVDD_B
OUT_A
OUT_A
OUT_A
PVDD_A
PVDD_A
PVDD_A
REG
BST_B
GVDD_B
VDD
PWM_B
M1
M2
M3
VREG
OC_ADJ
PWM_A
/RESET
/SD
/OTW
GVDD_A
BST_A
Protection
and
Reset
Logic
OLP
OTP
CB3C
Temperature
waming/error
Power-Up
Reset
Under
Voltage
Protection
/HIZ_HS_B
/HIZ_HS_A
/HIZ_LS_B
/HIZ_LS_A
/OCL_B
/OCL_A
/OCH_B
/OCH_A
/RESET_A
/RESET_B
VREG
/HIZ_HS_X
/HIZ_LS_X
/OCH_X
/HIZ_LS_X
/OCH_X
/OCL_X
/RESET_X
/RESET_X
/PCR
/UVP
/UVP
/UVP_VREG
VREG
GVDD_A
GVDD_B
VREG
78
HCD-FX900KW
– MAIN Board –
IC704 SN74LVC257APWR
1
10
9
8
11
12
13
14
7
6
15
16
3
4
5
2
GND
1Y
2Y
3Y
4Y
OE
A/B
1A
1B
2A
2B
3A
3B
4A
4B
VCC
IC3010, IC3020, IC3030 CXD9876R
12
11
10
9
8
7
6
5
4
3
VSUBC
XVSS
OUTR2
VSSR
OUTR1
VDDR
VSSL
VSSR
OUTL2
OUTL1
VSSL
VDDL
2
1
PWM
CLOCK
GENERATOR
(SECONDARY)
CLOCK
GENERATOR
(PRIMARY)
31
29
25
OVFFLAGL
26
SFLAG
27
INIT
30
S g P
GAIN
CONTROL
INIT/
MUTE
SAMPLING
RATE
CONVERTER
FILTER &
LOW CUT
FILTER
LINER
INTERPOLATOR
∆ Σ
48
XFSOIN
47
XVDD
HPVDDL
46
45
HPOUTL1
HPVSSL
44
43
HPOUTL2
HPVDDR
42
41
HPOUTR1
HPVSSR
40
HPOUTR2
39
37
FSOCKO
38
FSOI
13
XOVSS
14
XFSOOUT
15
XOVDD
16
DVDD
17
DVSS
18
NSPMUTE
19
SOFTMUTE
20
PGMUTE
SERIAL
CONTROLLER
21
SCDT
22
SCSHIFT
23
SCLATCH
24
OVFFLAGR
28
MCKSEL
32
BFVDD
33
BFVSS
34
TEST
35
DVDD
36
XFSIIN
LRCK
BCK
DATA
IC90, IC771 SN74LVC1G08DCKR
1
2
3
Vcc
5
GND
4
A
B
Y
IC782 SN74LVC1G79DCKR
1
2
VCC
5
D
Q
CLK
GND
TG
TG
TG
TG
4
C
C
C
C
C
C
_
C
_
C
_
C
_
C
_
3
79
HCD-FX900KW
IC702 LC89056W-E
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CLK
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
SPDIF
DINO
DINI
DIN2
6
D.GND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
LOCK
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
– KEY Board –
IC802 BU2099FV
2 3
4
5
6 7 8 9 10
11
17 16 15 14 13 12
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
OUTPUT
BUFFER
(OPEN DRAIN)
19
20
VDD
OE
Q11
18
Q11
Q10
Q9
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
LCK
CLK
DATA
NC
1
VSS
– I/O Board –
IC202 MM1228XFBE
1
2
3
4
5
6
7
8
GND
VCC
5
6
7
8
OUT
IN3
IN2
IN1
SW1
SW2
BIAS
DRIVER
Ω
75
6dB
AMP
L
L
H
H
IC350, IC351 MC14052BDR2
BINARY TO 1-OF-4
DECODER WITH
INHIBIT
LEVEL
CONVERTER
Y0
Y1
Y2
Y3
X
X0
X1
X2
X3
Y
VDD
A
B
VSS
VEE
INH
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
– MAIN Board –
80
HCD-FX900KW
– I/O Board –
IC201 BH7868FS-E2
30
1
2
3
29
28
CV OUT
VCC1
6
CV IN
5
MUTE1
7
SEL (CV/MIX)
13
PB/B IN
15
PR/R IN
14
MUTE2
16
VCC2
11
PY/G IN
12
GND
8
Y IN
10
SEL (BIAS/CLAMP)
4
C IN
S1
S2
CV OUT SAG
GND
BIAS
6dB
75
Ω
32 C OUT
75
Ω
31 S-DC OUT
6MHz
LPF
27
26
Y OUT
Y OUT SAG
75
Ω
6MHz
LPF
6MHz
LPF
S-DC OUT
S1/S2
+
25 GND
24
23
PY/G OUT
PY/G OUT SAG
75
Ω
12MHz
LPF
22 GND
21
20
PB/B OUT
PB/B OUT SAG
75
Ω
12MHz
LPF
19 GND
18
17
PR/R OUT
PR/R OUT SAG
75
Ω
12MHz
LPF
CLAMP
6dB
CLAMP
6dB
6dB
9
BIAS
BIAS
BIAS
6dB
BIAS
6dB
CLAMP
BIAS
MUTE1
MUTE2
H
L
L
H
IC371 M62429FP-TP
VR 2
VR 1
VIN1
VOUT1
GND
DATA
VIN2
VOUT2
VCC
CLOCK
7
2
3
4
8
1
REF AMP
VOL AMP 2
VOL AMP 1
6
LOGIC
CONTROL
5
VREF
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