Read Sony CDX-CA705M Service Manual online
17
17
CDX-CA705M
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
3-5. CIRCUIT BOARDS LOCATION
LSW902,904,905,907,
911,913,915,916,918,919
S901,903,912,914,917
KEY
ACTIVE
Q551
DOOR IND
SWITCH
Q631
REMOTE
RECEIVE
RECEIVE
J561
(REMOTE IN)
IC971
X502
32.768kHz
15
16
12
13
5
18
20
19
4
26
91
98
6
29
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVE
IC901
KEY IN0
DATA
CLK
CE
LCD SO
LCD CKO
LCD CE
ILL ON
SWITCH
Q603
ILL B+
REG
Q601
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
SIRCS
92 DOORIND
34 NOSESW
XIN
XOUT
OSC OUT
93
ILL ON
BATT
ILL+5V
OSC IN
X501
18.432MHz
LED931,941
LCD BACK
LIGHT
100
99
98
COM1
COM4
LCD
LCD901
ILL+5V
LED903,914
D701
LSW801(1/2)
D702
D553
(
)
KEY
ILLUMINATION
(
)
90
|
87
|
SEG1
SEG84
3
|
86
|
LCD DATA
LCD CLK
LCD CE
ROTARY
ENCODER
RE901
97 REIN0
96 REIN1
Z
S552
(NOSE)
LED801
(CD WINDOW)
LSW801(2/2)
Z
KEY MATRIX
MAIN board
LIMIT board
SUB board
DISC IN board
SUB (CD) board
KEY board
SERVO board
tuner unit
(TU10)
(TU10)
LOAD board
—
Main Board
—
1
2
18.432MHz
IC501
qs
(OSCOUT)
1.8Vp-p
32.768kHz
IC501
qh
(XOUT)
5.2Vp-p
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
ts
(PACK)
IC1
uj
(RFO)
1.5Vp-p
4
Approx. 100mVp-p
IC1
oa
(FEO)
0V
5
Approx. 100mVp-p
IC1
od
(TEO)
1.8Vp-p
16.9344MHz
IC1
wd
(XTAL)
5Vp-p
0V
3.3msec
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