Block Diagram -Display Section; Circuit Boards Location - Sony CDX-CA650X Service Manual
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Also See for CDX-CA650X:
- Operating instructions manual (138 pages) ,
- Installation (2 pages) ,
- Installation/connections (2 pages)
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3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
IC801 (3/3)
KEY IN0
5
KEY MATRIX
LCD SO
LSW501-510,
LCD CKO
LSW513-522
4
KEY IN1
LCD CE
D801
KEY
ACTIVE
26
KEY ACK
Q801
91
AD ON
D802
DOOR IND
98
RC IN1
CNP801
6
RC IN0
(REMOTE IN)
IC502
IR
29
SIRCS
RECEIVE
ROTARY
97
RE IN0
ILL ON
ENCODER
96
RE IN1
RE501
S902
34
NOSE SW
(NOSE DET)
OSC OUT
15
XIN
X802
32.768kHz
OSC IN
16
XOUT
LCD DRIVE
IC501
80
SEG2
•
18
78
DATA
|
1
20
77
CLK
SEG66
|
19
76
CE
64
LCD
LCD500
COM1
65
|
|
COM4
68
DOOR IND
92
DRIVE
Q914, 915
LED905,LSW916
POWER
LSW501-510
93
CONT
LSW513-522
Q906
(
KEY
)
ILLUMINATION
SWITCH
BATT
Q905
(
LCD BACK
)
LIGHT
12
X801
LED510-513
18.43MHz
13
3-5. CIRCUIT BOARDS LOCATION
IN SELF SW board
RELAY board
DISPLAY board
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
4.4Vp-p
16.9344MHz
(XTAL)
IC1
wd
2
4.8Vp-p
34msec
(PACK)
IC1
ts
3
1.2Vp-p
IC1
uj
(RFO)
4
Approx. 1Vp-p
IC1
oa
(FEO)
5
Approx. 400mVp-p
IC1
od
(TEO)
17
17
CDX-CA650X/CA660X/CA690X
SL SW board
MAIN board
SERVO board
Main Board
—
—
1
18.43MHz
IC801
qs
(OSCOUT)
2
30.5µsec
qh
(XOUT)
IC801
0V
0V
tuner unit
(TU601)
3.8Vp-p
5Vp-p
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