Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual page 74

HCD-HPR90/HPR99XM
2-4. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
C1
C2
C3
C4
(Page 4)
CN1307
9P
AUDIO IN L R1646
AUDIO IN GND
AUDIO IN R
AUDIO IN DET R1648
KEY3-2
DGND
HP L
HP GND
(Refer to page
32 on original
HP R
service manual)
CN1308
15P
M2-
M2+
M1-
M1+
SW-COM
E3/SW3
CD MECHANISM
E2/SW1
DECK BLOCK
SW7
SUPPLIED WITH
E1/SW2
THE ASSEMBLED
BLOCK SW6
SW5
SW8
E0
COLLECTOR
ANODE
R1645
47 Q1618
2SA1235
B+ SWITCH
HCD-HPR90/HPR99XM
(3/3)
CAM GEAR MOTOR DRIVE
Q1616 Q1614
2SA1365EF 2SA1365EF
R1638
47k
1k A1
R1639
A2
470
1k 100
Q1617
2SC3440F
2SC3440F
R1641 R1640
47k 470
M2-
M2+
M1-
M1+
28
34
24
33
25
26
23
27
22
R1422
47k
R1644
10k
Q1614-1617 Q1610-1613
LOADING MOTOR DRIVE
Q1612 Q1610
2SA1365EF 2SA1365EF
C1635
R1634 R1630 R1626
220
47k 47k 47k
10V
R1635 R1631 R1627
470 470 470
Q1613
Q1615 2SC3440F Q1611
2SC3440F
R1637 R1636 R1633 R1632 R1629 R1628
470 47k 47k 470 470 47k
6 6
Q1607-1609 D1211
1N4002B
REGULATOR
Q1607
KTA1273Y-AT R1615
2.2
R1616 D1212
R1622 2.2 1N4002B
2.2k
R1674
R1623 0
470 R1620 R1619
1k 1k
Q1608
2SC3052
Q1606
2SA1235
PROTECT
Q1609 DETECT
2SA1235 R1603
22k
R1604
R1625 R1621 C1603
22k
10k 4.7k 0.1
C1629
220
C1214
10V
470
10V
19
36
43
44
45
46
5
37
47
48
49
C1665 0.001 D1207 1N4002B
B2 R1693 10k
C1636 0.001
R1692 C1664
∗
1k
B1 R1643 10k
∗
C1614,1664 R1642 C1614
∗
1k
1 50V(HPR90)
10 50V(HPR99XM)
D1206 1N4002B
50
7
35
C5
C6
C7
C8
C9
(Page 4)
B2
B3
B5
B1
(Page 5)
B4
CN1309
C1628 23P
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
C1615 0.1 A+3.3V
R-CH
A-GND
(Refer to page
21 on original
L-CH
service manual)
D-GND
C1613 220 10V D-OUT
C1612 0.1 D+3.3V
D-MUTE
MP3 CLK
CD DATA