Sony CDX-CA650 - Block Diagram -Display Section; Circuit Boards Location

17 17
CDX-CA650/CA650V/CA650X
KEY MATRIX
LSW901-911,914-919
S902-907
LSW801
KEY
ACTIVE
Q665
DOOR IND
DRIVE
Q633
AMBER
DRIVE
Q901
GREEN
DRIVE
Q902
IR
RECEIVE
J501
(REMOTE IN)
ROTARY
ENCODER
RE901
IC971
S701
(NOSE DET)
X502
32.768kHz
97
96
34
15
16
12
13
5
18
20
194
26
91
98
6
29
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVE
IC900
KEY IN0
LCD SO
LCD CKO
LCD CE
POWER
CONT
Q662
REG
Q660,661
92
DOOR IND
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
SIRCS
RE IN0
RE IN1
NOSE SW
ILL +B
XIN
XOUT
OSC OUT
93
ILL ON
BATT
OSC IN
X501
18.43MHz
LED801,LSW801
LED902,903
LSW901-911,814-919
LED900,901,913,914
78
77
76
80
79
GREEN
AMBER
LCD901
CA650
CA650V
LED
DRIVE
Q906
LED
DRIVE
Q905
LED905,906
909,910
DATA
CLK
CE
3-4. BLOCK DIAGRAM — DISPLAY SECTION — 3-5. CIRCUIT BOARDS LOCATION
MAIN board
SUB board
LIMIT board
DISC IN board
SUB (CD) board
LOAD board
KEY board
SERVO board
tuner uni
t
(TU10)
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
ts
(PACK)
0V
IC1
uj
(RFO)
1.8Vp-p
16.9344MHz
IC1
wd
(X TAL)
0V
4
Approx. 620mVp-p
IC1
oa
(FEO)
5
Approx. 200mVp-p
IC1
od
(TEO)
2.4Vp-p
4.8Vp-p
3.4msec
— Main Board —
1
2
3
18.43MHz
IC501
qd
(
OSCIN
)
2.2Vp-p
4.332MHz
IC51
5
(OSCI)
32.768kHz
IC501
qg
(XIN)
3.6Vp-p
1.8Vp-p