Block Diagram - Main Section - Sony HCD-F3MD Service Manual

HCD-F3MD
6-4. BLOCK DIAGRAM – MAIN Section –
TUNER UNIT
ANTENNA
L
50
STEREO
51
AM
TUNED
54
DO
53
COAXIAL
DI
FM
55
CLK
75Ω
52
CE
49
˚MUTE
R-CH
R
J101
L
TAPE
IN
R R-CH
BD (CD) SECTION
CD-L
(Page 39)
I2C-SCL
I2C-SDA
MD-LEVEL L
BD (MD)
MD-REC-L
E
SECTION (2/2)
MD-L
(Page 41)
P.DOWN
RESET
• R-ch is omitted due to same L-ch.
• SIGNAL PATH
: TUNER
: CD PLAY
: MD PLAY
: MD REC (ANALOG)
: TAPE IN (PLAY)
: TAPE OUT (REC)
05
MUTING CONTROL MUTING
Q552 Q801
R-CH
MUTING
Q101
MUTING CONTROL
Q102
35
BASS
26
TU
39
TC
38 SELECT
CD
25
SWITCH
37
MD
R-CH
36
MICON
FL CONTROLLER
IC301
INTERFACE
INPUT SELECT SWITCH,
DIG11
1
TONE CONTROL,
ELECTRICAL VOLUME 11 DIG1
20 21 22
62 DIG14
FLUORESCENT
DIG12
64
INDICATOR
SEG34
TUBE 24
FL601
31 SEG27
33 SEG26
SEG0
59
MUTING CONTROL
50 51 54 53 55 52 49 6 1 3
J101
L
TAPE
OUT
R
94 30 29 83 38 47 48
IC601
RST
13
CS
14
SCK
15
SDATA
16
GRID
Q501
DIG0 DRIVE
12
S601
FL ON SWITCH
Q974
B.UP +5V
D924
(FOR POWER ON)
B.UP +2.7V
(FOR STANDBY) BT922
FOR
BACK-UP
A+7.5V
DIG+5V
RESET SWITCH
Q931
CD+5V
CD ON SWITCH
Q912
42 42
MUTING
Q551 Q841
6
1 POWER AMP
10
IC801
DBFB SW
DBFB DET RELAY DRIVE
Q301 D881 Q881
PROTECT SW OVER LOAD DET
Q872–873 Q802, 871
REMOTE
CONTROL RECEIVER
BD (CD) SECTION
IC602
(Page 39)
D602–609
VOLUME
ROTARY
ENCODER LED DRIVE
S601 Q607–610
S602–616
27 59 32 56 81 58 82 19 33 57 86 87 88 93 89 91 72
IC501
MASTER CONTROLLER
34 36 37 35 5 43 22 12 42 13 15 10
X501 X502
16MHz 32.768kHz
TRANSFORMER
VF1
VF SW
VF2
Q972, 973
D986
D987
–30V REG RECTIFIER
VP (–30V)
Q971 D975–978
REGULATOR
CONTROL
Q975
B.UP +3.3V
+5.6V REG
CHARGER RECTIFIER
3 1
IC921
Q921 D971–974
+
2
D922
D921
SYS +5V
D923
D941
AC ON RESET AC OFF DETECTOR RECTIFIER
Q941 IC941 D992, 993
D946 D943
TRANSFORMER
+B
RECTIFIER
ST+12V D832
–B
+7.5V REG
+12V REG RECTIFIER
3 1 3 1
IC902 IC901
D982–985
2
D101
+5V REG RECTIFIER
3 1
IC913
D981
A+3.3V
D912
SYS+3.3V
D913
+3.9V REG
MD RESET
3 5 3 1
IC912
IC931
D914
2
B.UP +3.3V
D911
A+5V
B+ SWITCH
+5V REG
3 1
Q911
IC911
MOTOR +7V REG
3 1
+7V IC903
RY881
+
R-CH L
TM881
–
SPEAKER
IMPEDANCE
–
6 – 16Ω
R
R-CH +
J601
R-CH
PHONES
CLOSE
79
OPEN
S1
IN-SW 70
CD TRAY
OPEN/CLOSE DETECT
OPEN-SW 71
67 6 MOTOR 2
LOAD-IN
M
DRIVER
66 5 10
LOAD-OUT
IC171
M103
LOADING MOTOR
(LOADING)
DRIVE
11
T900
POWER
(Korean model)
AC IN
T901
VOLTAGE SELECTOR
SUB POWER
220 – 240V 110 – 120V
Hong Kong,
Taiwan models
(Korean model)
RY991
RELAY DRIVER
Q991