Sony CMT-SPZ90DB / HCD-SPZ90DAB Service Manual ▷ View online
HCD-SPZ90DAB
37
37
HCD-SPZ90DAB
7-22. SCHEMATIC DIAGRAM – POWER Board –
•
See page 39 for IC Bloc Diagrams.
•
See page 45 for IC Pin Function Description.
D32
D31
Q651
R659
R41
R24
C609
R662
R660
R661
R653
R654
C651
R656
R655
L602
10
µ
H
C653
D604
R658
C652
R657
R33
R32
R651
R23
D14
R18
R20
C26
C25
D603
C602
C31
R29
C5
C4
C23
D17
D16
C21
D15
C19
C20
R27
D11
R609
R610
C606
R608
R14
C13
C14
C18
R11
R17
C17
R16
R607
R605
IC601
C654
C1
TK3
IC11
C22
Q652
CN604
D33
C32
Q650
T603
IC650
C604
R604
PH601
T31
R25
C24
Q11
Q12
R606
TH1
D602
C603
R603
R22
C16
C15
R10
R15
Q601
R12
R13
FB11
JW5
JW4
F1
R2
R652
PH602
PH11
TK1
D652
R663
CN32
CN31
CN1
C2
C11
T1
D1
FCH10A10
10A 100V
D10SC6M
2SC3052
1k
100k
1k
10
50V
10k
1k
10k
10k
47k
0.01
22k
4.7k
220
10V
10V
10ERB20-TB3
47k
0.1
47
470
1k
1k
0.1
2W
10ERB20
-TB3
10k
10k
1000p
250V
330
35V
35V
10ERB20-TB3
0.1
470
25V
25V
10
470p
250V
250V
470p
250V
250V
220p
1kV
BAT54HT1
UDZW-TE17-15B
0.22
UDZW-TE17-15B
0.01
47 25V
10
UF4005PKG23
150k
330k
0.01
1k
470k
0.01
0.001
0.1
0
68
0.001
100
0
15k
MIP2F2
100
10V
10V
0.22
275V
275V
CXD9841P
220p
1kV
2SA1235
3P
2SC3052
FAN431AZXA
10
50V
47
TLP421F(D4-GR)
33
2SK3563(LB2SONY)
2SK3563(LB2SONY)
1
ST02D-200TA
0.0022
390k
1k
4.7
50V
50V
10
50V
2SC3052
4.7M
4.7M
1.1
µ
H
5A
250V
2.2M
1/2W
1/2W
470
TLP421F(D4-GR)
TLP421F(D4-GR)
HZU18B3TRF
470
2P
4P
2P
0.22
275V
275V
D3SB60F3
27000p
800V
220k
15k
82 450V
VDD
FB
CL
VCC
SOURCE
SOURCE
DRAIN
GND
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
16V
28V
28V
PROTECT
(CHASSIS)
(CHASSIS)
POWER ON/OFF
4V (SUB)
Q651,652
DC DETECT
MTZJ-T-77-24D
1000
35V
POWER ON/OFF
CONTROL SWITCH
SUB POWER
TRNASFORMER
ISOLATOR
MAIN POWER
TRNASFORMER
SWITCHING
SWITCHING
S
S
POWER CONTROL
POWER CONTROL
1
2
4
3
ISOLATOR
ISOLATOR
(AC IN)
SHUNT
REGULATOR
LINE
FILTER
INVERTER
(Page 28)
(Page 28)
(Page 31)
HCD-SPZ90DAB
38
38
HCD-SPZ90DAB
•
Waveforms
– CD Board –
– TC Board –
– MAIN Board –
– AMP Board –
– FL Board –
3
IC201
u;
(RFACO)
(CD play mode)
200 mV/DIV, 500 ns/DIV
Approx.
900 mVp-p
900 mVp-p
22.8
µ
s
3.3 Vp-p
1
IC201
1
(LRCK),
2
(LRCKI)
(CD play mode)
1 V/DIV, 10
µ
s/DIV
2
IC201
5
(BCK),
6
(BCKI)
(CD play mode)
1 V/DIV, 200 ns/DIV
472 ns
3.3 Vp-p
4
IC201
<z/,
(XTAO)
(CD play mode)
1 V/DIV, 20 ns/DIV
59 ns
2.3 Vp-p
qa
Q453 (Base) (REC mode)
500 mV/DIV, 5
µ
s/DIV
17
µ
s
1.3 Vp-p
qs
Q453 (Collector) (REC mode)
2 V/DIV, 5
µ
s/DIV
17
µ
s
6.1 Vp-p
wa
IC1301
qa
(XCOUT)
1 V/DIV, 10
µ
s/DIV
30.5
µ
s
2.6Vp-p
ws
IC1301
qd
(XOUT)
1 V/DIV, 100 ns/DIV
200 ns
3.2 Vp-p
22.8
µ
s
3.2 Vp-p
ea
IC701
q;
(LRCK)
1 V/DIV, 10
µ
s/DIV
es
IC701
qa
(BCK)
1 V/DIV, 100 ns/DIV
324 ns
3.6 Vp-p
ed
IC703
8
(Q2)
1 V/DIV, 50 ns/DIV
82 ns
4 Vp-p
ef
IC709
4
1 V/DIV, 10 ns/DIV
20.3 ns
3.9 Vp-p
ra
IC901
5
(DSC)
500 mV/DIV, 1
µ
s/DIV
2.3
µ
s
1.5Vp-p
39
HCD-SPZ90DAB
•
IC Block Diagrams
– CD Board –
IC203
BH18LB1WG-TR
THERMAL
PROTECTION
VOLTAGE
REFERENCE
CONTROL
BLOCK
OVER CURRENT
PROTECTION
VIN 1
GND 2
STBY 3
NC
4
VOUT
5
+
–
1
LEVEL SHIFT
MUTING
D
15
16
+ –
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
IC402
BA5947FM-E2
– DAB Board –
IC502
BA50BC0WFP-E2
IC503
BA33BC0WFP-E2
THERMAL
SHUT DOWN
OVER CURRENT
PROTECT
VDD
VCC
2
GND
3
NC
5
OUT
4
CTL
1
–
+
VREF
DRIVER
40
HCD-SPZ90DAB
– MAIN Board –
IC1204
MM1615ANLE
2
5
VIN
4
VOUT
GND
1
CONT
3
NOISE
DRIVER
THERMAL
SHUTDOWN
BIAS
REFERENCE
+
–
CURRENT
LIMITTER
LIMITTER
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
IC1302
PST3629NR
IC1501
BD3870FS-E2
Click on the first or last page to see other CMT-SPZ90DB / HCD-SPZ90DAB service manuals if exist.