Sony HCD-FX350I Service Manual ▷ View online
HCD-FX350i
HCD-FX350i
25
25
5-14. SCHEMATIC DIAGRAM - PT Board -
D001
1
3
CN001
CN004
FH003
FH004
RY001
JW006
JW011
JW013
T001
T002
T004
T004
JW050
JW051
F002
C905
D925
D926
D927
D928
1-881-341-
11, 12
(11, 12)
1
6
MAIN POWER
TRANSFORMER
SUB POWER
TRANSFORMER
D
MAIN BOARD
CN901
PT BOARD
(AEP, UK)
(AUS)
(AUS)
1
4
9
T002
T004
5
1
4
8
6
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
(AUS)
(AC IN)
1
4
9
5
A
B
C
D
E
1
2
3
4
5
6
CN901
MAIN
(1/2)
D
BOARD
DA2J10100L
D001
F002
250V
T001
1
3
8
7
6
4
2
1
2
3
4
5
6
6P
CN001
VSTBY
SUB_GND
RELAY
VHAC1
VM
VHAC2
RY001
JW006
1
3
4
5
6
7
8
9
2
T002
1
3
4
5
6
7
8
9
2
T004
1N4002-A2
D925
1N4002-A2
D926
1N4002-A2
D927
1N4002-A2
D928
25V
1000
C905
JW011
JW050
JW051
MAIN POWER
TRANSFORMER
SUB POWER TRANSFORMER
SUB POWER TRANSFORMER
(AC IN)
PT BOARD
NOT REPLACEABLE:
BUILT IN TRANSFORMER
T160mAL
CN004
2
1
3
3P
AC_L
AC_N
NC
(AUS)
(AEP, UK)
E
3
D
F
7
A
C
4
2
6
B
5
1
(AUS)
5-13. PRINTED WIRING BOARD - PT Board -
•
: Uses unleaded solder.
• See page 14 for Circuit Boards Location.
(Page 20)
(Page 18)
Ver. 1.1
HCD-FX350i
HCD-FX350i
26
26
• IC Block Diagrams
– BD73 Board –
IC101 LC786924NT-US-H
RF SIGNAL
PROCESSOR
MEMORY
INTERFACE
MEMORY
1M BIT
EFMIN 1
RFOUT 2
LPF 3
FDO
22
AV
D
D
21
DEFFECT
33
FSEQ
34
DVDD15
38
VVDD3
39
VVSS3
40
C2F
35
DVDD
36
DVSS
37
VVDD1
30
CONT5
31
TEST0
53
CONT0
52
CONT1
51
CONT2
50
INTB1
49
INTB0
48
RESB
47
DO
46
DI
45
CL
44
CE
43
DVSS
42
DVDD
41
DATA
58
DATACK
59
LRSY
60
STREQ
54
STCK
55
STDATA
56
TEST1
57
PCMLRSY
62
PCMBCK
63
PCMDA
TA
64
PCMREQ
65
DVSS
67
DVDD15
66
DVDD
61
DVDD
68
XVSS
71
CONT4
70
LR
VDD
75
XVDD
74
LR
VSS
79
SLCO
80
TDO
23
SLDO
24
SPDO
25
VVSS1
26
PDOUT1
27
PDOUT0
28
PCKIST
29
CONT3
32
AVSS 20
PHLPF 4
AIN 5
CIN 6
BIN 7
DIN 8
SLCISET 9
RFMON 10
VREF 11
JITTC 12
EIN 13
FIN 14
TE 16
TEIN 17
LDD 18
LDS 19
PCNCNT 15
SLICE LEVEL
CONTROL
LOW-PASS
FILTER
CLOCK
GENERATOR
TES, HFL,
DETECT
D/A
CONVERTER
A/D
CONVERTER
CD
PLL
SERVO
CONTROL
SYNCHRONIZATION
DETECTION
EFM
DEMODULATION
AUDIO CONTROL
MUTE/DEEMPHASIS/
ATTENUATION CONTROL/
BASS/TREBLE/
HFC FILTER
MONITOR
SRC
VREF
JITTER
ERROR CORRECTION
DOUT CONTROL
STREAM CONTROL/
AUDIO INPUT
PORT CONTROL
PLL3
INTERPOLATION MUTE
RCHO
78
LRREF
77
LCHO
76
XIN
73
XOUT
72
DOUT
69
8FS DIGITAL FILTER/
1BIT D/A CONVERTER
AUDIO OUTPUT
CONTROL
PCM OUTPUT
CONTROL
MP3, WMA
DECODER
DECODER
ROM
DECODER
TEXT
DECODER
MCU
INTERFACE
SUBCODE
DECODER
DECODER
APC
IC301 BA5826HFP-E2
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
– MAIN Board –
IC350 LA4631-E
OUT1
VCC
OUT2
IN2
PRE GND
IN1
P.
P.
ST
ANDBY
2
FIL
TER
1
3
4
5
6
7
8
11
13
POWER GND
10
9
12
PRE
DRIVE AMP
INPUT
AMP
STANDBY
SWITCH
THERMAL
SHUT DOWN
PROTECTOR
POP NOISE
PREVENTION
CIRCUIT
REFERENCE
AMP
RIPPLE
FILTER
OUTPUT
AMP
PRE
DRIVE AMP
INPUT
AMP
OUTPUT
AMP
IC754 TK68112AS2G0L-C (AEP and Australian models)
IC754 MM3291CNRE (UK model)
1
VIN
2
GND
3
VCONT
REFERENCE
VOLTAGE
ON/OFF
CONTROL
THERMAL & OVER
CURRENT PROTECTION
VOUT
5
NC
4
+
–
VDD 1
GND 2
CE 3
NC
4
REGULATOR
VOUT
5
Ver. 1.1
HCD-FX350i
27
IC950 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
– PANEL Board –
IC301 BD3491FS-SE2
1
B1
20 BCB1
19 BCA1
18 BCA2
19 BCA1
18 BCA2
22 SB2
21 OUT2
24 SB1
23 SR
23 SR
26 VCC
25 OUT1
28 SDA
27 SCL
27 SCL
30 FIL
29 GND
29 GND
17 BCB2
2
B2
3
C1
5
D1
6
D2
4
C2
13
VOL1
14
VOL2
15
TC2
16
TC1
7
E1
8
E2
11
SEL2
12
SEL1
INPUT
SELECTOR
TREBLE/
BASS
BUFFER
VOLUME
INPUT
GAIN
SURROUND
I2C BUS
LOGIC
9
F1
10
F2
32 SDA
31 SCL
31 SCL
IC802 S-80928CNNB-G8YT2G
1
VSS
2
VDD
3 CD
4 OUT
+
–
–
DELAY
CIRCUIT
VREF
IC970, 980 TK11140CSCL-G
IC981 BD8410FPS-E2
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
VIN 2
VOUT 4
OCOUT 5
STBY 3
GND
FIN
OCP 1
VOLTAGE
REFERENCE
STANDBY
OVER CURRENT
PROTECTION
THERMAL
SHUTDOWN
+
–
DISCHARGE
28
HCD-FX350i
(AEP, UK)
(AEP,
UK)
UK)
(AEP, UK)
6
1
4
2
2
top panel section
front panel section
#1
#1
#2
#2
5
chassis section
7
SECTION 6
EXPLODED VIEWS
1
4-171-957-01 KNOB
(VOL)
2
3-077-331-21 +BV3
(3-CR)
4
4-171-952-71 PANEL
(REAR)
5
3-198-753-11 FOOT
(FELT)
6
4-191-085-01 SHEET, COPPER (AEP, UK)
7
4-985-672-01 SCREW (+PTPWH M2.6), FLOATING
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
• Abbreviation
AUS :
AUS :
Australian
model
6-1. OVERALL SECTION
The components identifi ed by mark
0
or dotted line with mark
0 are critical for
safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
Ver. 1.1
Click on the first or last page to see other HCD-FX350I service manuals if exist.