Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual page 73

2-3. SCHEMATIC DIAGRAM – MAIN Section (2/3) –
TO
XM REG BOARD
(Refer to page
24 on original
service manual)
(Page 4)
(Refer to page
27 on original
service manual)
(Refer to page
29 on original
service manual)
FM75Ω
COAXIAL
TUNER
(FM/AM)
ANTENNA
SUPPLIED WITH
THE ASSEMBLED
BLOCK
AM
(Page 6)
HCD-HPR90/HPR99XM
• See page 37 for IC Block Diagrams.
(2/3)
CN1205
3P
Q1602
2SA1235
D1205
1SS355WTE-17
R1605
10k
R1606
1k
A1
82
A3
A4
A5
A6
A7
RST# 21
ERR-IRQ# 18
CDM-SEL 85
DGND
C1526 R1523
1 100k
XM DVCC +5V
50V
DGND
JR1501
SC-RX-IN 31
0
SC-TX-OUT 32
XM AVCC +5V
XM POWER 83
XM PWR +3.3V
+9V
R-OUT
AGND
L-OUT
CN1301
15P (HPR99XM)
C1576
D1204
/OTW 1
MC2836
50V
OVF
PGMUTE 66 C2
R1573
100k
SOFTMUTE 67
/RST 68
JR1502
0
DGND
/SD 69
SCDT 70 (HPR99XM)
SCSHIFT 71
SCLATCH 72
DGND
NSPMUTE 73
INIT 75
D+3.3V
L-IN
AGND
R-IN
AGND
A+5V
CN1302
19P
DO/STEREO 56
ST CLK 55
ST DIN 54
ST CE 53
IC1504
NC
RT3C55M
JW1613
AGND MUTING
R OUT
E2 C1
+9V
B2 B1
L OUT
C2 E1
CN1310
9P
JW1612
B1
B2
B3
B4
B5
(HPR99XM)
IC1204
MM1615ANLE
C1213
0.01
NOISE
VO
Q1601
RT1N141C Q1601,1602 GND
B+ SWITCH
VI
CONT
+5V REGULATOR
C1507 R1514 R1513 R1516 C1506
100 16V 2.2k 2.2k 10k 0.1
R1511
10k R1512
10k
C1521
0.1
R1521
C1520
10k
0.1
C1519
0.1
TUNER/XM
R1519
C1518
SELECT SWITCH 10k
0.1
IC1505
MC14052BDTR2
Q1503 Q1504
RT1N141C RT1N141C
INVERTER INVERTER
R1501 R1551
220 220
R1502
10k
Q1505
RT1N141C
INVERTER
C1508
10
50V
R1503
1k
Q1508,1509
MUTING CONTROL SWITCH
R1575 Q1509
1k RT1P141C
Q1508
RT1N141C R1505
22k
R1525
1k
R1510 R1560
100k 100k
R1507 C1517
47 220 10V
5 5
µPC2912HF
R1202
10k
O
R1201
C1203
100k
470
C1217
16V
0.01
R1203
22k
D1213 D1210
1N4002B 1N4002B
+4V REGULATOR +9V REGULATOR
IC1203 IC1202
TA7804LS TA7809S
O I O I
C1209 C1208 G G
220 0.1 C1205
10V C1207 C1206 470 C1204
470 0.1 10V 0.1
10V
INPUT SELECTOR,ELECTRICAL VOLUME,
IC1501
SURROUND/TONE CONTROL
BD3870FS
CAP VIN1
C1523
0.0022
TNF1 VIN2 C1559 C1509
C1522 1 1
0.0022 50V 50V
TNF2 SEL2
BNF2 SEL1
R1520
220k C1513 1 50V A1
BOUT2 A1
C1563 1 50V A2
BNF1 A2
R1518
220k C1511 10 50V B1
BOUT1 B1
C1505
10 50V C1561 10 50V B2
OUT1 B2
C1555
10 50V C1512 1 50V C1
OUT2 C1
C1562 1 50V C2
VCC C2
SI FILTER
SC GND
C1503 C1504
0.1 220
10V
R1361 R1363
0 0
R1506
10k
Q1502
IC1503
RT1P141C
RT3C55M
MUTING
R1552
10k
E2 C1
B2 B1 Q1501
RT1N141C
R1556
C2 E1
10k
Q1501,1502
MUTING CONTROL
SWITCH
C1532
100
16V
Q1510
2SC3052
C1531 RIPPLE FILTER
0.1
C1558
R1504 R1515
10 R1558
4.7k 100k
50V 2.2k
C1515
R1553 10 R1565
HEADPHONE AMP 1k 50V 100k
IC1502
NJM4580MD C1550
R1559 220
2.2k 16V
GND
C1565 C1552
10 100
50V 16V
VCC R1554
4.7k
R1557 C1567 R1555
47 220 10V 22k
HCD-HPR90/HPR99XM
+12V REGULATOR
IC1201
G I
CN1203
2P
C1202
0.1
12V
GND
D1209 D1208 (Refer to page
1N4002B 1N4002B 29 on original
service manual)
C1201 CN1202
2200 2P
25V
14V
GND
(Refer to page
35 on original
service manual)
POWER ON/OFF
4V(SUB)
GND
(Refer to page
35 on original
CN1201
service manual)
3P
(CHASSIS)
EP1201
C1211
0.1
+7V REGULATOR
IC1205
TA7807S
O I
G
R1550
4.7k
C1212
470
10V