Block Diagram - Main Section - Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual

HCD-HPR90/HPR99XM
6-2. BLOCK DIAGRAM – MAIN Section –
CD-L
A
(Page 15)
R-CH
J981
AUDIO IN
(HPR99XM)
J001
XM
D+
3 18 COMM_RX_P
D–
2 19 COMM_RX_N
VCC
1
23
COMM_TX_P
22 COMM_TX_N
5 3
31 32 18
DO/STEREO 56 ST DIN/STEREO
ST DIN 54 ST DOUT
ST CLK 55 ST CLK
ST CE 53 ST CE
ANTENNA
FM 75Ω
FM ANT L-OUT
COAXIAL
R-OUT R-CH
AM AM ANT
TUNER (FM/AM)
HCD-HPR90/HPR99XM
XM RECEIVER D/A CONVERTER
IC001 IC041
LINE AMP
I2S_DA 37 3 SDTI AOUTL 11
AOUTR 10 R-CH
I2S_CLK 39 2 BICK
41 4
I2S_LRCLK LRCK
I2S_OCLK 43 1 MCLK
9 11 7 5
XM
B+ SWITCH
+5.2V
Q001, 003
D1205
XM
B+ SWITCH
+4V
+3.3V
Q1601, 1602
21 85 82 83
INPUT SELECTOR, ELECTRICAL VOLUME,
TUNER/XM
SELECT SWITCH
IC1505
X1 X
14 13
IC051
X2
15
10 9 6
(HPR90)
100 51 59 65
SYSTEM CONTROLLER
IC1301 (2/4)
16 16
SURROUND/TONE CONTROL
IC1501
HEADPHONE
A1 AMP
7
IC1502
B1
5
C1
9 MUTING
IC1504
MUTING
CONTROL SWITCH
Q1508, 1509
SEL1
4
VIN1 OUT1
1 17
MUTING
IC1503
14 13
R-CH
MUTING
CONTROL SWITCH
Q1501, 1502
61 63 60 58
HP
B (Page 18)
R-CH
J982
PHONES
R-CH
L-CH
C (Page 17)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: TUNER (FM/AM)
: CD PLAY
: XM
: AUDIO IN