HCD-SPZ50/SPZ70
27
27
HCD-SPZ50/SPZ70
7-12. SCHEMATIC DIAGRAM – MAIN Board (3/3) –
R1692
R1642
R1693
R1643
R1646
R1648
C1636
C1665
C1214
C1664
C1614
CN1309
CN1307
R1615
R1674
R1631
R1616
Q1607
R1621
R1619
C1628
C1612
C1615
C1616
C1613
C1629
R1620
R1603
CN1308
D1206
D1207
D1212
D1211
R1604
R1625
R1629
R1628
R1632
R1633
Q1611
R1627
R1626
C1635
R1623
Q1608
Q1609
R1630
R1634
R1635
R1636
R1637
R1640
R1641
R1639
R1638
Q1613
Q1610
Q1612
Q1614
Q1616
Q1615
Q1617
Q1606
R1622
C1603
1k
1k
10k
10k
1k
1k
0.001
0.001
470
10V
10 50V
10 50V
23P
9P
2.2
0
470
2.2
KTA1273Y-AT
4.7k
2.2k
0.1
0.1
0.1
220
10V
220
10V
220
10V
100
22k
13P
1N4002B
1N4002B
1N4002B
1N4002B
22k
10k
470
47k
470
47k
2SC3440
470
47k
220
10V
470
2SC3052
2SA1235
47k
47k
470
47k
470
470
47k
470
47k
2SC3440
2SA1365
2SA1365
2SA1365
2SA1365
2SC3440
2SC3440
2SA1235
2.2k
0.1
C1
C2
C3
C4
B1
B2
B3
B4
B5
C5
C6
C7
100
41
42
39
40
38
A1
A2
M2-
M2-
M2+
M2+
M1+
M1+
M1-
M1-
28
34
24
33
25
26
23
35
7
50
49
48
47
37
5
46
45
44
43
36
19
B1
B2
M+7V
CD SCOR
CD SENS
CD XLAT
MP3 ACK
MP3 REQ
MP3 XLAT
MP3 DATA
CD CLK
MP3 IREQ
CD XRST
CD XTACN
A+3.3V
D+3.3V
MP3 CLK
CD DATA
AUDIO IN L
AUDIO IN GND
AUDIO IN R
AUDIO IN DET
DGND
HP GND
HP L
HP R
KEY3-2
M2-
M2+
M1-
M1+
SW-COM
SW7
SW6
SW5
SW8
NC
SW2
SW1
SW3
(3/3)
PROTECT
DETECT
Q1607-1609
REGULATOR
Q1610-1613
LOADING MOTOR DRIVE
Q1614-1617
CAM GEAR MOTOR DRIVE
THE ASSEMBLED
BLOCK
SUPPLIED WITH
CD MECHANISM
M-GND
R-CH
A-GND
L-CH
D-GND
D-MUTE
D-OUT
DECK BLOCK
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