Read Sony CMT-HPR95 / HCD-HPR95 Service Manual online
HCD-HPR95
15
15
HCD-HPR95
6-2. BLOCK DIAGRAM – AUDIO Section –
AUDIO IN
R-CH
J981
CD-L
A
TUNER (FM/AM)
AM
FM ANT
AM ANT
L-OUT
R-OUT
DO/STEREO
R-CH
ST DIN
ST CLK
ST CE
FM 75
Ω
COAXIAL
ANTENNA
56 ST DIN/STEREO
9
4
5
7
54 ST DOUT
55 ST CLK
53 ST CE
14
SI
13
SC
AMP SI
61
AMP SC
63
LINE MUTE
60
HP MUTE
58
AUDIO IN DETECT
100
B
HP
OUT1
INPUT SELECTOR, ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC1501
SYSTEM CONTROLLER
IC1301 (2/3)
: TUNER (FM/AM)
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: AUDIO IN
PHONES
R-CH
J982
C1
SEL1
VIN1
B1
A1
1
MUTING
IC1503
R-CH
17
MUTING
CONTROL SWITCH
Q1501, 1502
MUTING
IC1504
R-CH
MUTING
CONTROL SWITCH
Q1508, 1509
HEADPHONE
AMP
IC1502
1
A/D CONVERTER
IC701
STREAM PROCESSOR
IC705
LIN
31 DATA
15 SCKI
DOUT 12
30 BCK
BCK 11
29 LRCK
36 XFSIIN
48 XFSOIN
LRCK 12
S-MASTER DATA 70
OUTL1 11
OUTL2 9
OUTR1 6
OUTR2 4
X702
49.152MHz
21 SCDT
S-MASTER SHIFT 71
22 SCSHIFT
S-MASTER LATCH 72
23 SCLATCH
S-MASTER PG MUTE 66
20 PGMUTE
S-MASTER SOFT MUTE 67
19 SOFTMUTE
S-MASTER NSP MUTE 73
18 NSPMUTE
S-MASTER INIT 75
27 INIT
S-MASTER RST 68
S-MASTER SD 69
CLOCK SHIFT
IC703
CLOCK BUFFER
IC709
DIGITAL POWER AMP
IC707
2 BP
17 AP
3
/SD
OUT_B 29
OVER LOAD
DETECT
Q702, 703
OVER LOAD
DETECT
Q752, 753
OUT_A 25
OUT_B 30
OUT_A 26
4
/RST
DIGITAL POWER AMP
IC708
2 DP
17 CP
3
/SD
OUT_D 29
OUT_C 25
OUT_D 30
OUT_C 26
4
/RST
L.P.F.
L.P.F.
L.P.F.
L.P.F.
PROTECT
DETECT
Q701
R
L
+
–
+
–
SPEAKER
J860
(Page 16)
(Page 16)
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