Sony HCD-HX3 / HCD-HX5 / HCD-HX7 Service Manual ▷ View online
HCD-HX3/HX5/HX7
45
45
HCD-HX3/HX5/HX7
6-27. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
•
See page 46 for IC Block Diagrams.
•
See page 53 for IC Pin Function Description.
D31
Q651
D11
R24
R41
C1
C2
D1
CN1
IC11
C21
R22
R27
R20
R29
R18
Q11
Q12
TK1
C14
R15
C15
C16
C17
R16
R11
R17
C18
C13
R14
C22
C23
CN601
IC601
R607
R605
TK601
R658
R25
R32
D14
C604
R604
D603
R619
C602
R651
R652
R655
R656
C652
R657
C651
R654
R662
CN31
CN604
TK3
CN602
L602
F1
C611
C612
C654
C653
T603
D604
PH601
R603
C603
C615
R617
R616
D602
R606
Q615
R615
R618
R659
R653
R661
C609
R660
Q652
R663
D652
R12
R13
CN4
C39
C38
C31
JR30
JR31
JR32
CN33
C35
IC12
IC650
D32
R33
JW34
C32
C34
PH11
PH602
D33
C24
C25
R23
Q601
C606
R608
C19
C20
D15
D17
R10
R610
R609
T31
FB11
1.1
µ
H
D16
JW6
TH2
D2
D3
C12
JW3
JW4
JW5
TH1
C11
VR001
T1
R2
CN32
JW39
R1
Q650
D10SC6M
2SC3052
UF4005PKG23
1k
100k
0.22
275V
0.22
275V
C4
470p
250V
C5
470p
250V
D3SB60F3
2P
CXD9841P
0.22
1k
10
10k
10
10k
2SK3561(LB2SONY)
2SK3561(LB2SONY)
0.001
10 50V
4.7
50V
0.001
100
0
0.1
0.01
470k
220p
1kV
220p
1kV
2P
MIP2F2
0
15k
47k
33
1k
10ERB20-TB3
1
50V
47
10ERB20-TB3
220k
0.1
1k
470
4.7k
22k
0.1
47
0.01
47k
10k
4P
3P
2P
5A
250V
1
0.1
220
10V
10V
220
10V
10V
10ERB20-TB3
TLP421F(D4-GR)
470k
0.0022
1
0
100k
ST02D-200TA
1
2SA1235
2.2M
2.2M
1k
10k
10k
10
50V
1k
2SA1235
470
UDZW-TE17-16B
4.7M
4.7M
2P
1
0.01
2200
16V
1
0.1
1000P
FAN431AZXA
RB085T-90
470
TLP421F(D4-GR)
TLP421F(D4-GR)
220
35V
35V
0.1
2W
2SC3052
0.01
1k
0.01
47
25V
UDZW-TE17-15B
RB751V-40TE-17
UDZW-TE17-15B
2.2M
1/2W
1/2W
3P
2SC3052
∗
∗
2P
0.1
TA7812
∗
220
16V
16V
150k
S2V60-TA
S2V60-TA
∗
∗
2.2M
1/2W
1/2W
V
D
D
FB
CL
V
C
C
S
O
UR
CE
S
O
U
R
CE
D
R
A
IN
GND
PRI-GND
PRI-GND
GND
NC
PRI+
PRI+
VSENSE
F/B
CT
RT
GND
SS
VC1
OCP
VC2
P-GND
VG(L)
VB
VS
VG(H)
VD
GND
GND
GND
AC_L
AC_N
PROTECT
GND
11V
NC
(CHASSIS)
(CHASSIS)
(CHASSIS)
INVERTER
POWER ON/OFF
4V(SUB)
4V(SUB)
SUB POWER TRANSFORMER
ISOLATOR
POWER CONTROL
FEED BACK
SWITCH
Q651,652
DC DETECT
(AC IN)
+27V
+27V
+12V
(HX3/HX7)
(HX3/HX7)
(HX5)
(HX5)
+12V REGULATOR
G
I
O
∗
C32
1800 35V(HX3/HX7)
2200 35V(HX5)
SHUNT REGULATOR
MTZJ-T-77-27A(HX3/HX7)
MTZJ-T-77-27B(HX5)
ISOLATOR
ISOLATOR
SWICHING
SWICHING
S
S
∗
R17
100(HX3/HX7)
82(HX5)
∗
R15
15k(HX3/HX7)
18k(HX5)
(HX5)
270k(HX3/HX7)
330k(HX5)
150k(HX3/HX7)
180k(HX5)
POWER CONTROL
(HX3:CND/HX5:CND/HX7)
130 450V(HX5:AEP,UK,AUS,KR)
∗
C11
100 450V(HX3:AEP)
390 250V(HX3:CND/HX7)
1
2
3
4
LINE FILTER
MAIN POWER TRANSFORMER
∗
C12
390 250V(HX3:CND/HX7)
560 250V(HX5:CND)
560 250V(HX5:CND)
(HX3:AEP/HX5:AEP,UK,AUS,KR)
33000p 800V(HX3/HX7)
39000p 1000V(HX5)
POWER ON/OFF CONTROL SWITCH
(Page 33)
(Page 34)
(Page 37)
(Page 39)
(Page 37)
(Page 39)
(Page 33)
HCD-HX3/HX5/HX7
46
46
HCD-HX3/HX5/HX7
•
IC Block Diagrams
– CD Board –
IC201 TK63115SCL-G@GT (HX7)
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
IC201 XC6215B152MR (HX3/HX5)
VOUT
5
NC
4
VIN 1
VSS 2
CE 3
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
EACH CIRCUIT
ERROR MP
IC401 BA5826SFP-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
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
REGULATOR
VCC
VCC
– USB Board –
IC915 R5523N001B-TR-F
1
EN
2
GND
3
FLG
4
IN
5
OUT
GATE
CONTROL
UVLO
THERMAL
SHUTDOWN
CURRENT
LIMIT
FLAG
DELAY
– USB POWER Board –
IC319 SI-8008TFE
IN
1
SW
2
SS
5
ADJ
4
LATCH
&
DRIVER
ERROR AMP
COMPARATOR
OSCILLATOR
RESET
OVERCURRENT
PROTECTION
THERMAL
PROTECTION
REFERENCE
VOLTAGE
GND
3
ON/OFF
SOFT
START
PREG
+
+
+
–
–
– BT Board –
IC903 XC6213B332MR
VIN 1
CE 3
VSS 2
NC
4
VOUT
5
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
1
2
3
4
5
7
6
8
9
10
12
13
14
15
16
11
CLOCK
DRIVER
SCF
LPF
LPF
SCF
LPF
LPF
ATT
ATT
DE-ENPHASIS
CONTROL
8X
INTERPOLATOR
8X
INTERPOLATOR
AUDIO
DATA
INTERFACE
µP
INTERFACE
∆Σ
MODULATOR
∆Σ
MODULATOR
MCLK
DZFL
DZFR
DZFR
VDD
VSS
VCOM
VCOM
AOUTL
AOUTR
P/S
BICK
SDTI
SDTI
LRCK
PDN
SMUTE/CSN
ACKS/CCLK
DIF0/CDTI
– XM Board –
IC041 AK4384ET-E2
47
HCD-HX3/HX5/HX7
– MAIN Board –
IC302 PST3629NR
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
IC303, 310 MC14052BDTR2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
IC304 R2S15904SP
24
23
22
MCU
I/F
TONE CONTROL
L-CH BASS/TREBLE
SURROUND
21
20
25
26
27
28
INR4
LOUT
ROUT
AGND
VCC
REFIN
DATA
CLK
DGND
TRER
TREL
NC
BASSL2
NC
INR3
INPUT
SELECTOR
INPUT
SELECTOR
INPUT GAIN
CONTROL
INPUT GAIN
CONTROL
MUTE
MUTE
REF
MODE
SELECTOR
VOLUME
VOLUME
INR2
INR1
INL1
INL2
INL3
INL4
IGOUTL
VOLINL
IGOUTR
VOLINR
BASSR1
BASSL1
BASSR2
19
18
17
16
15
1
2
3
5
6
7
8
9
4
10
11
12
13
14
TONE CONTROL
R-CH BASS/TREBLE
48
HCD-HX3/HX5/HX7
DELTA-SIGMA
MODULATOR
DELTA-SIGMA
MODULATOR
VINL 1
VINR 2
VREF1 3
VREF2 4
VCC
AGND
5
6
BYPAS 8
TEST 9
LRCK 10
REFERENCE
× 1/64, × 1/128
DECIMATION
FILTER
WITH
HIGH-PASS
FILTER
SERIAL
INTERFACE
&
MODE/FORMAT
CONTROL
MODE1
20
MODE0
19
FMT1
18
FMT0
17
OSR
16
SCKI
15
VDD
14
DGND
13
DOUT
12
BCK
11
CLOCK & TIMING CONTROL
POWER
SUPPLY
PDWN 7
– AMP Board –
IC701 PCM1803DBR
IC308 MM1615ANLE
2
5
VIN
4
VOUT
GND
1
CONT
3
NOISE
DRIVER
THERMAL
SHUTDOWN
BIAS
REFERENCE
+
–
CURRENT
LIMITTER
LIMITTER
IC311, 312, 318 TC74HC4066AFT (EL)
1I/O
VCC
1
14
1C
13
4C
12
4I/O
11
4O/I
10
1O/I 2
2O/I 3
2I/O 4
2C 5
3C 6
GND 7
3O/I
9
3I/O
8
IC313 TC74VHC157FT (EKJ)
SELECT 11
1
1A
2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
IC320 BA6956AN
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
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