HCD-SPZ50/SPZ70
3737
HCD-SPZ50/SPZ70
7-22. SCHEMATIC DIAGRAM – POWER Board –
• See page 39 for IC Bloc Diagrams. • See page 46 for IC Pin Function Description.
D32
D31
Q651
R659
R41
R24
C609
R662
R660
R661
R653
R654
C651
R656
R655
L602
10µH
C653
D604
R658
C652R657
R33
R32
R651
R23
D14
R18
R20
C26
C25
∗ C25
100 35V (TYPE A) (SPZ50:AEP,UK,RU/SPZ70:AEP,UK,RU)
330 35V (TYPE B, TYPE C)
D603
C602
C31
R29
C5
C4
C23
D17
D16
C21
D15C19
C20
R27
D11
R609
R610
C606
R608
R14
C13
C14
C18
R11R17
C17
R16
R607R605
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
R12R13
FB11
C12
R4
D3 D2
R3
JW5
VR002VR003TH2JW4
F1
R2
R652
PH602
PH11
TK1
CN3 CN2
S1
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
10ERB20-TB3
47k
0.147
470
1k
1k
0.1
2W
10ERB20
-TB3
10k
10k
1000p
250V
∗
10ERB20-TB3
0.1
470
25V
10
470p
250V
470p
250V
220p
1kV
BAT54HT1
UDZW-TE17-15B
0.22
UDZW-TE17-15B0.01
47 25V
10
UF4005PKG23
150k
330k
0.01
1k
470k
0.01
0.001
0.1
068
0.001
100
015k
MIP2F2
100
10V
0.22
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
10
50V
2SC3052
4.7M4.7M
1.1µH
270 250V
1M 1/2W
S2V60-TA S2V60-TA
1M 1/2W
5A
250V
2.2M
1/2W
470
TLP421F(D4-GR)
TLP421F(D4-GR)
3P 3P
HZU18B3TRF
470
2P
4P
2P
0.22
275V
D3SB60F3
∗
∗
∗
∗
∗
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(SPZ50)
MTZJ-T-77-27B(SPZ70)
∗
C32
1000 35V(SPZ50)
1800 35V(SPZ70)
POWER ON/OFF
CONTROL SWITCH
SUB POWER
TRNASFORMER
ISOLATOR
MAIN POWER
TRNASFORMER
∗
C24
27000p 800V(SPZ50)
33000p 800V(SPZ70)
SWITCHING
SWITCHING
S
S
POWER CONTROL
POWER CONTROL
∗
R10
47k(SPZ50)
220k(SPZ70)
∗
R15
15k(SPZ50)
27k(SPZ70)
∗
C11
(SPZ70:E2,E51)
(SPZ70:E2,E51,MX)
82 450V(SPZ50)
270 450V(SPZ70:E2,E51,MX)
(SPZ70:E2,E51)
1
2
4
3
ISOLATOR
ISOLATOR
(AC IN)
VOLTAGE
SELECTOR
120-127V220-240V
(SPZ70:E2,E51)
(SPZ50)
(SPZ70)
SHUNT
REGULATOR
100 450V(SPZ70:AEP,UK,RU,AR)
SPZ50/SPZ70:
AEP,UK,RU,AR,KR
SPZ50/SPZ70:
AEP,UK,RU,AR,KR
LINE
FILTER
INVERTER
JW3
(SPZ70:MX)
(SPZ70:MX)
VR001
(Page 26)
(Page 26)
(Page 29)
(Page 31)
Ver. 1.3
Note: Refer to the Servicing Notes “NOTE OF REPLACING MAIN
BOARD, IC1301 (MAIN BOARD), C25 (POWER BOARD)
OR POWER BOARD” (page 4), when you exchange the
C25 or POWER board.
w
w
w
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x
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1
6
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c
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Q
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3
7
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3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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