Block Diagram - Main Section - Sony HCD-MD595 Service Manual

6-3. BLOCK DIAGRAM – MAIN Section –
J602
R-CH
ANALOG
IN
J101 (1/2)
L
TAPE IN
R R-CH
LOUT
H
(Page 52)
TUNER PACK
L
R
R-CH
COAXIAL
FM ANT
FM 75Ω
GND
AM ANT
DOUT
AM
DIN
GND
CLK
CE
TUNED
STEREO
MUTE
FM DET OUT
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: FM
: CD PLAY
: MD REC
(AEP, UK)
: TAPE IN (PLAY)
: TAPE OUT (REC)
: ANALOG IN
IIC DATA, IIC CLK,
IIC HELP
F
(Page 52)
05
35
LINE
36
TC
INPUT TONE
38 T-O
CONTROL 30
SELECT
CDMD
37
CIRCUIT
SWITCH
ST
39
27 ST->TA DATA
26 TA->ST DATA
28 ST CLK
25 ST CE
24 ST TUNED
23 ST STEREO
22 ST MUTE
SYSTEM CONTROLLER
RDS DECODER
IC401
RDS SIGNAL
BUFFER 4 MUX RDAT 2 95 RDS DATA
Q401
RCLK 16 96 RDS CLK
14 13
X401 39 38
4.332MHz
X501
16MHz
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC301
VOLUME BASS BOOST
V-I V-O B-I OUT
29 CONTROL 28 27 CONTROL 25
CIRCUIT CIRCUIT
CPU INTERFACE
21 22 20 26
R-CH
Q301
1 2 100
FEED BACK
SWITCH
D881
VREF
IC501 (1/2)
35 36 3 5 18
BUFFER
X502
Q112
32.768MHz
BUFFER
Q111
53 53
MUTING
MUTING
CONTROL
POWER AMP
IC801
R-CH
+
R-CH
OVER LOAD
MUTING MUTING
DETECT
Q801 Q841
Q802
R-CH
D802
RELAY DRIVE
MUTING MUTING
Q881
CONTROL CONTROL
+
R-CH
Q552 Q551
DC DETECT
Q871
PROTECT
DETECT
Q872, 873
TH801
THERMAL
+
DETECT
Q874, 875
43 44 32 45
92
SX LX
3 BUFFER 2
SY LY
6 BUFFER 7
IIC BUS EXTENDER
IC103
HCD-MD595
LIN
G
(Page 52)
J101 (2/2)
L
TAPE OUT
R-CH
R
Q101
R-CH
Q102
J601
R-CH
PHONES
TM881
+
L
–
SPEAKER
IMPEDANCE
+
R-CH USE 6-16Ω
R
–
M+7V
48 67
D101
M901
M M
(FAN)
Q103
FAN 63
FAN MOTOR
SWITCH
6
POWER
CN104
1
DATA PC LINC
5
CLK
CN102
1
DATA
TAPE
5
CONTROL
CLK