Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual page 72

HCD-HPR90/HPR99XM
2-2. SCHEMATIC DIAGRAM – MAIN Section (1/3) –
(1/3)
CN1305
11P
LED DSGX
LED STANDBY 88
EVER+3.3V
SIRCS 4
DGND
JOG 95
VOLUME 94
KEY1 93
(Refer to page KEY2 92
32 on original
KEY3-1 91
service manual)
KEY3 RETURN
CN1306
9P
DGND 82
+6.2V 83
LED DSGX
LED DIRECT 85
FL DATA 1
FL CLK 2
FL STB 3 88
(Refer to page
33 on original DGND
service manual)
+3.3V
91
92
93
94
95
100
4
C1
C2
C3
C4
(Page 6)
HCD-HPR90/HPR99XM
D1303
MC2836
NO USE
XM POWER 3.3V
R1383 100
XM POWER 5V
(HPR99XM) AC DET
R1385 100
XM DTIC CMD
R1486 10k
EEPROM SDA
R1487 10k
EEPROM SCL
R1388 100
STANDBY LED
R1491 10k R1391 100
KEY3
R1492 10k R1392 100
KEY2
R1493 10k R1393 100
KEY1
R1394 100
VOLUME
R1395 100
JOG
AVSS
R1397
R1500 ∗
SPEC IN
10k
VREF
∗
R1497
R1400
AVCC
100
(HPR90:US,CND,E,E51,MX,AR/HPR99XM)
AUDIO IN
DETECT
∗R1397
0(HPR90:SP,AUS)
4.7k(HPR90:US,CND,E,E51,MX,AR/HPR99XM)
∗R1497
470(HPR90:E,E51,MX,AR)
1k(HPR90:US,CND/HPR99XM)
Q1301
2SC3052
RESET SWITCH
R1401 C1404 R1412
47k 0.1 10k
D1305 R1402 C1403
1SS355 47k 0.1
C1312 0.1
C1301 1000 6.3V
R1352
100
SYSTEM CONTROLLER
IC1301
M30622MEP-B10FPU0(HPR90)
M30624MGP-A60FPU0(HPR99XM)
R1421
0
C1311 22p X1302 5MHz
R1318 R1321
C1401
100 100
0.1
(HPR99XM)
4 4
R1456 10k
D1202 MC2836
D1228 1N4002B
D1229 1N4002B
CD
DRIVER R1350 100
MUTE
R1349 100
CD XTACN
R1348 100
CD XRST
R1347 100
MP3 IREQ
R1346 100
MP3 XLAT
R1345 100
MP3 REQ
R1344 100
MP3 ACK
R1343 100
CD XLT
M1-
M1+
M2-
M2+
CDM SD
R1337 100
CD CLK
R1336 100
CD SENS
R1335 100
CD DATA
R1334 100 R1434 10k
E2/SW1
R1333 100 R1433 10k
E1/SW2
R1332 100
XM
RXD
R1331 100
XM
TXD
(HPR99XM)
RESET SIGNAL GENERATOR
IC1302
PST3629NR
NC
GND
VDD
CD
OUT
C1402
0.1
C1218
0.1
R1420 10k
D1203
MC2836
A1
A3
A5
A6
A4
(Page 5)
A7
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
(CHASSIS)
EP1202
C7
C5
C6
C9
C8
(Page 6)