Sony HCD-SPZ50 Service Manual page 77

Q Q
3 7 6 3 1 5 1 5 0
2-4. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
C1
C2
C3
C4
(Page 3)
CN1307
9P
AUDIO IN L
AUDIO IN GND
AUDIO IN R
AUDIO IN DET
KEY3-2
DGND
HP L
HP GND
HP R
CN1308
13P
M2-
M2+
M1-
M1+
SW-COM
CD MECHANISM
SW3
DECK BLOCK
SW1
T E
SUPPLIED WITH L 1 3 9 4 2 2 9 6 5 1 3
SW7
THE ASSEMBLED
BLOCK SW2
SW6
SW5
SW8
NC
J981
AUDIO IN
J982
PHONES
w w w
HCD-SPZ50/SPZ70
(3/3)
Q1616
2SA1365
R1638
47k
R1646 1k A1
R1639
A2
470
R1648 1k 100
Q1617
2SC3440
R1641 R1640
47k 470
M2-
M2+
M1-
M1+
28
34
24
33
25
26
23
R929 R940 R939
1k 1k 100
FB981 R930
0 1k
S982 S981
R928
1k PAUSE/ CD
START SYNCHRO
FB982 C989 C990
0 0.022 0.022
FB983 C999
0 0.022
x a o
y
. i
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.
http://www.xiaoyu163.com
Q1614-1617
CAM GEAR MOTOR DRIVE LOADING MOTOR DRIVE
Q1612 Q1610
Q1614 2SA1365 2SA1365
2SA1365
R1634 R1630 R1626
47k 47k 47k
R1635 R1631 R1627
470 470 470
Q1613
Q1615 2SC3440 Q1611
2SC3440 2SC3440
R1637 R1636 R1633 R1632 R1629
470 47k 47k 470 470
Q Q
3 7 6
R931
1k
R941 CN981
1k C987 R932 9P
470p 100k
AUDIO IN L
R942 C997
100k 470p
AUDIO IN GND
R938
220
AUDIO IN R
C986 0.022 AUDIO IN DET
R937 R936
220 470
KEY3-2
DGND
HP L
HP GND
HP R
EP982
C982 C984
0.1 0.1
(CHASSIS)
u 1 6 3
.
5 5
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2 4
8 9 9
Q1610-1613 Q1607-1609
REGULATOR
Q1607
KTA1273Y-AT R1615
2.2
R1616
C1635
R1622 2.2
220
2.2k
10V
R1674
R1623 0
470
Q1608
2SC3052
Q1606
2SA1235
PROTECT
Q1609 DETECT
2SA1235 R1603
22k
R1604
R1628 R1625 R1621
22k
47k 10k 4.7k
C1214
470
3 1 5 1 5 0 8 9 2
10V
19
36
43
44
45
46
5
37
47
48
49
C1665 0.001
B2 R1693 10k
C1636 0.001
B1 R1643 10k
50
7
35
m
c o
HCD-SPZ50/SPZ70
2
8 9 9
D1211
1N4002B
D1212
1N4002B
R1620 R1619
100 2.2k
C5
C6
C7
C1603
(Page 3)
0.1
B2
B3
B5
B1
(Page 4)
B4
C1629 CN1309
220 C1628 23P
4 9 8 2 9 9
10V 0.1
M+7V
M-GND
CD SCOR
CD SENS
CD XLAT
MP3 ACK
MP3 REQ
MP3 XLAT
MP3 DATA
CD CLK
MP3 IREQ
CD XRST
C1616 220 10V CD XTACN
D1207 1N4002B C1615 0.1 A+3.3V
R-CH
A-GND
R1692 C1664 (Refer to page 21
1k 10 50V on service manual)
L-CH
D-GND
R1642 C1614
1k 10 50V
C1613 220 10V D-OUT
D1206 1N4002B C1612 0.1 D+3.3V
D-MUTE
MP3 CLK
CD DATA