Read Sony CMT-DC500MD / HCD-J300 Service Manual online
HCD-J300
45
45
BLOCK DIAGRAM – PANEL SECTION –
IC306(2/3)
MASTER CONTROL
4
74
76
43
42
82
83
92
91
90
41
40
10
11
15
13
29
75
30
7
45
93
6
+5V
SCL
SDA
PC LINK
J302
2
1
6
5
4
3
X801
32.768kHz
32.768kHz
X802
16MHz
16MHz
5
6
2
10
M
SWITCH
SWITCH
Q302
Q301
94
1
35
37
36
B+ SWITCH
(DECK BLOCK)
+5V
REC-R
REC-L
PACK
MO +12V
PLAY SW
SENSOR OUT
SOL 12V
Q320,321
Q322,323
MOTOR
CONTROL
SOLENOID
CONTROL
PC POWER
IIC-CLK
IIC-DATA
B HALF/REC
CAPM-CNT1
B_PLAY
B-SHUT(SENSOR)
SOL_CON
XC-IN
XC-OUT
X-IN
X-OUT
IC801
REMOTE
SENSOR
SENSOR
S833
RV801
ROTARY
ENCODER
VOLUME
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
S801-805
S809-813
S817-824
DISC TRAY
OPEN DETECT
DISC TRAY
CLOSE DETECT
DISC TRAY
OPEN/CLOSE
S902
S901
LCD801
LIQUID CRYSTAL DISPLAY UNIT
SDA
SCL
CS
VDD
+5V
Q335,337
CD 8V
8V (LED)
D801-803
(BACK LIGHT)
IC307
LOADING MOTOR DRIVER
IN1
IN2
OUT1
OUT2
SIRCS
POWER KEY
VOL_A
VOL_B
KEY3
KEY2
KEY1
89
FUNCTION
KEY
S825-832
KEY0
OPEN SW
IN SW
LCD-DATA
LCD-SCK
LCD-CS
77
RS
LCD-RS
LED
DRIVER
Q803,804
D814
D812
D811
84
LED
DRIVER
Q802
TAPE REC
LCD_BACK_LIGHT
TRAY-OPEN
TRAY-CLOSE
80
LED
DRIVER
Q806
D823
MD_LED
MD
79
LED
DRIVER
Q807
D824
CD_LED
CD
78
LED
DRIVER
Q808
D825
TUNER_LED
TUNER
BAND
TAPE
81
LED
DRIVER
Q805
D822
TC_LED
85
LED
DRIVER
Q801
MD REC
D
I2C-CLK
I2C-DATA
I2C-DATA,I2C-CLK
MD
SECTION
(Page 44)
M901
MD
TAPE
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