Block Diagram - Main Section - Sony HCD-CQ1 Service Manual

6-3. Block Diagram – MAIN Section –
J702
R-CH
PC/MD/TAPE IN
TUNER PACK
+9V
+9V
L-CH
R-CH R-CH
ST DOUT
ST DIN
ST CLK
ST CE
TUNED
STEREO
ST MUTE
L-CH
A
R-CH R-CH
CD SECTION
LOADING
MOTOR UNIT
IN SW
OUT SW
MOTOR DRIVE
IC251
M1
OUT1
(LOADING) 4
FEED M
2 OUT2
VOL CONT
IC301
12 LINE L3
13 TUNER L2
CD L1
14
SYSTEM CONTROLLER
IC101(2/2)
EQIC DATA 10 1 DI
EQIC CLK 11 30 CL
CE
EQICLAT 12 2
20 ST DIN
19
ST DOUT
MUTE CONT
21 ST CLK REC MUTE 97
Q603
18 ST CE
57 TUNED
MUTE CONT
56 STEREO LINE MUTE 99
Q602
55
ST MUTE
AMP STBY 46
AMP MUTE 98
PROTECTOR 50
HP IN 38
FLUORESCENT
DISPLAY
63
.
67
SEG0
71
.
SEG22
73
88
COM0 59
COM2 62
S403-405
FUCTION
KEY1 36
KEY
S406-409
FUCTION
KEY2 37
KEY
S401,402,410
FUCTION
KEY INIT/INIT 42
KEY
INT0 41
MD0 53
MD1 52
3
IN SW
MD2
51
2 OUT SW
SIO 29
FLASH OUT 31
VM M+9V
5
D501
STBY LED STANDBY
17
FIN 7 69 1 MTR CTRL1
RIN 9 100 MTR CTRL2
Q211,212
BACK LIGHT 95 BACK LIGT
92 XI
CONT
X102 DIMMER 89
6MHz
93 XO
D106
RM INIT 43
14 XIA
X101
SIRCS 9
1 CONTROL
32.768kHz
RECEIVER
13 XOA
CD POWER 25
STBY RELAYT 94
RESET 54
L SELO 10
R SELO 21 R-CH
MUTE
POWER AMP
Q604
IC801
5 8
LOUT +INA OUTA 3
R OUT 26 R-CH
MUTE
Q601
R CH
9 STBY OUTB 1
6
MUTE
LCD401
CN104
EVER +3.3V
INT1
INT0 INT0
MD0
FOR
MD1 FLASH µCOM
WRITER
MD2
SDO
FLASH OUT
RSTX
+9V 3
D401-404
(BACK RIGHT)
M+9V
3
+9V
+4V 3
IC501
REMOTE D+3.3V(SW)
3
EVER +3,3V
3
Q203 IC201
RESET
3 RESET 1
SWITCH
D104
µ COM +B
D103
EVER +3.3V
D101
+4V
D102
23 23
R CH
R CH
PROTECT
Q822,823
Q824 RY801
RELAY
DRIVE
R CH
• R-CH is omitted due to same as L-ch.
• Signal Path
T901
IC961
POWER TRANSFORMER
D911
+9V
1
REG
VCC
IC913 POWER
AMP
+9V
1
REG
VEL
D912-915
IC914
+4V
1
REG
IC911 Q911
+3.3V
+3.3V
1
REG SW
P CONT
Q912
Q901 RY901
RELAY
DRIVE
T902
POWER TRANSFORMER
(SUB)
D901-904
IC901
+4V
3 1
REG
Q902
+5.5V
REG
HCD-CQ1
J703
PC/MD/TAPE OUT
J701
PHONES
L
CN801
SPEAKER
R
: TUNER
: CD
: LINE
AC
IN