Sony HCD-CQ1, Service Manual

Page: 23 / 52

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