Block Diagram -Display Section - Sony CDX-M620 Service Manual

CDX-M620/M670
4-5. BLOCK DIAGRAM — DISPLAY SECTION —
2
CD
SECTION
(Page 34)
LCD60
POWER DIMMER
LCD 9V
CONT. CONTLROL
Q60,61 Q62
LCD DRIVER
IC61
CN902
ILL ON 9V LCD 9V
TX (SO)
RX (SI)
FL SW
SUB SYSTEM CONTROL
IC702
BUS SI 98 UNI SI SA CLK 1
SA IN 112
UNI SO 97 UNI SO
BUS CLK 101 UNI CKI
BUS ON 38 BUS ON
BU CHECK 34 BU IN
BUF
S RST 6 7 81 SYS RES
IC701
LINK OFF
LINK OFF 50
SIRCS
D70
AEP,UK,E
IR
16 RECEIVE 7
IC62
(REMOTE IN)
D908
IR
16 RECEIVE 7
IC901
LCD DRIVER
85 XTAL
IC60
86 EXTAL BOOT 57
X701
LED SW2 47
18.432MHz
LED SW1 46
97 99 100 98 86 85
RX 62
LCD SO/TX 60
66 CEO
ILL ON
69 INH 52
64 CKO
LCD
70 CEI
71 CE2
OPEN/CLOSE
POWER
97 99 100 98 LCD9V
9V CONT.
Q109,112
97 98 99 100
LCD1 LCD DRIVER
D903
IC1
(DISC IN)
84 86
POWER DIMMER
LCD 9V
CONT. CONTLROL
Q1,2 Q3
(Page 35)
3
TUNER
SA CLK
SYSTEM CONTROL
SA OUT SECTION
IC501 (3/3)
AD ON
BU 5V SW
Q501
80
AD ON
79 KEY ACK
72 RC IN1
J651
48 RC IN0
KEY IN 46 KEY IN0
MATRIX
47 KEY IN1
106 BOOT
116
LED SW2
115
LED SW1
(Page 34)
12 RX
13
TX
82 FLSWPWON
REG
DDC ON 57
BATT 1 3 MT +B
IC652
2
M601
MOTOR
MOTOR
3
11 98 MOT+
DRIVE
14
MOT–
IC651 6 97
16
12
VREF
CONT. MT +B
Q651,652
FPCRTL BEEP 15
40
I
I
3 7 DET I DET
DET 96
Q650
IC650
SW1001
(OPEN/CLOSE) OPEN SW
100
99 CLOSE SW
LED
DRIVE
SW1002
Q901,902
101 CENTER SW 37
(CENTER) SHIFT
69 FLASH W
LSW60
OPEN
61 OPEN KEY
(DISPLAY BOARD)
NOSE SW
62
S1
DETACH SW
64
DETACH
36 36
1
CD
CD ON
SECTION
MD ON
POWER
CONT.
CD 6V
Q117,118
REG
9V CD 5V
Q119
BATT
BEEP
DRIVE
BZ501
Q502
POWER
CONT. BATT
DC/DC CONV.
Q101,102
CONTROL
IC101
9
VCC
ON/OFF
CD 6V
OUT1 7 DRIVE
Q103
INA1 3
SHIFT
2 RT
ON/OFF
Q105
9V
OUT2 10 DRIVE
Q106
INA2 14
VOLTAGE CHECK
IC102
REG
2 1
Q114,115
REG
BU 5V
Q113,116