HCD-SPZ50/SPZ70
2626
HCD-SPZ50/SPZ70
7-11. SCHEMATIC DIAGRAM – MAIN Board (2/3) –
• See page 39 for IC Block Diagrams.
Q1501
R1520
R1518
IC1501
IC1203 IC1202
IC1201
IC1502
Q1508
Q1503 Q1504
C1213
R1644
R1558
R1559
R1513
R1202
R1645
R1506
R1556
R1501 R1551
R1502
R1552
R1363R1361
R1521
R1519
R1515
R1565
R1554
R1503
R1553
R1509
R1557
R1510 R1560
R1550
R1522
R1201
R1203
C1207
C1205
C1212
C1209
C1201
C1203
C1563
C1562
C1561
C1555
C1504
C1513
C1512
C1511
C1505
C1502
C1558
C1508
C1532
C1565
C1515
C1552
C1596
C1595
C1507
C1637
D1602
EP1201
Q1502
CN1203
CN1202
CN1201
Q1509
IC1204
C1501
C1522
C1521
C1520
C1523
C1519
C1518
C1503
C1208
C1206
C1211
C1531
C1202C1217
C1204
JW1203
JW1202
R1504
C1550
IC1503
R1555
Q1618
Q1510
C1506
R1512
R1511
R1575
IC1504
Q1505
R1514 R1516
IC1505
R1523C1526
R1573
C1576
CN1302
CN1303
D1204
CN1310
JW1612
R1507 C1517
R1505
C1510
C1560
C1559
C1509
R1572
JW1201
IC1205
JW1613
C1567
RT1N141C
220k
220k
BD3870FS
TA7804LS TA7809S
NJM4580MD
RT1N141C
RT1N141C RT1N141C
0.01
470
2.2k
2.2k
2.2k
10k
100
10k
10k
220 220
10k
10k
00
10k
10k
100k
100k
4.7k
1k
1k
1k
47
100k 100k
4.7k
100k
100k
22k
470
10V
470
10V
470
10V
220
10V
2200
25V
470
16V
1 50V
1 50V
10 50V
10 50V
220
10V
1 50V
1 50V
10 50V
10 50V
220
10V
10
50V
10
50V
100
16V
10
50V
10
50V
100
16V
1
50V
1
50V
100 16V
100 16V
UDZSTE-1710B
RT1P141C
2P
2P
3P
RT1P141C
MM1615ANLE
0.1
0.0022
0.1
0.1
0.0022
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.10.01
0.1
4.7k
220
16V
RT3C55M
22k
KTC3198GR
2SC3052
0.1
10k
10k
1k
RT3C55M
RT1N141C
2.2k 10k
MC14052BDTR2
100k1
50V
100k
1
50V
19P
11P
MC2836
47 220 10V
22k
1 50V
1 50V
1 50V
1 50V
100k
TA7807LS
220 10V
A1
A2
A3
A4
A5
A6
A7
B1
B2
B3
B4
B5
6
0
6
1
6
3
5
8
5
1
5
9
6
5
C
1
C2
VIN1
VIN2
A1
A2
B1
B2
C1
C2
21
18
56
55
54
53
84
66
67
68
69
70
71
72
73
75
VIN1
VIN2
76
77
78
SC
VIN1
SEL1
VIN2
SEL2
A1
A2
B1
B2
C1
C2
FILTER
GND
SI
VCC
CAP
OUT2
OUT1
BOUT2
BNF2
BOUT1
BNF1
TNF2
TNF1
12V
GND
GND
GND
RDS DATA
RDS CLK
DO/STEREO
ST CLK
ST DIN
ST CE
R OUT
AGND
L OUT
+9V
4V(SUB)
NC
C2
B2
E2
E1
B1
C1
C2
B2
E2
E1
B1
C1
IN
H
V
E
E
G
N
D
V
C
C
Y
0
Y
2
Y
Y
3
Y
1
B
A
X
3
X
0
X
X
1
X
2
VO
VI
CONT
GND
NOISE
POWER ON/OFF
(CHASSIS)
(2/3)
(SPZ50)
(SPZ70)
16V
+12V REGULATOR
G
IO
IO
G
IO
G
+9V REGULATOR+4V REGULATOR
+5V REGULATOR
INPUT SELECTOR,ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
+7V REGULATOR
I
G
O
Q1501,1502
MUTING CONTROL
SWITCH
MUTING
HEADPHONE AMP
GND
VCC
+9V REGULATOR
RIPPLE FILTER
Q1508,1509
MUTING CONTROL SWITCH
MUTING
INVERTERINVERTER
INVERTER
TUNER/TAPE
SELECT SWITCH
/OTW
OVF
/RST
DGND
/SD
DGND
INIT
D+3.3V
AGND
AGND
A+5V
M+12V
BIAS ON/OFF
A+9V
REC/PB SW
PGMUTE
SOFTMUTE
SCDT
SCSHIFT
SCLATCH
NSPMUTE
L-IN
R-IN
DECK-D-GND
REC-MUTE
PB-R
PB-L
A-GND
AM
ANTENNA
COAXIAL
FM75Ω
THE ASSEMBLED
BLOCK
SUPPLIED WITH
TUNER
(FM/AM)
(SPZ50)
(SPZ70)
(SPZ50:AEP,UK,/SPZ70:AEP,UK)
11P(SPZ50:AEP,UK/SPZ70:AEP,UK)
REC-L
REC-R
9P(SPZ50:RU,SP,KR,AUS/SPZ70:RU,E2,E51,MX,AR)
(Page 25)
(Page 23)
(Page 29)
(Page 31)
(Page
27)
(Page 29)
(Page 31)
(Page 37)
(Page 37)
Ver. 1.3
Note: Refer to SUPPLEMENT-1 for the MAIN board of HCD-
SPZ70 Korean model.
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
MAIN board.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
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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