Sony XR-CA624X Service Manual ▷ View online
XR-CA624X
21
21
6-5.
SCHEMATIC DIAGRAM – MAIN Board (3/3) –
•
See page 23 for IC Block Diagrams.
(Page 20)
(Page 19)
(Page 22)
XR-CA624X
22
22
TAPE DECK
ILLUMINATION
Z
SUB BOARD
(COMPONENT SIDE)
1-676-603-
21
(21)
KEY BOARD
CN501
A
MAIN BOARD
CN701
B
KEY BOARD
CN501
14
1
SUB BOARD
(CONDUCTOR SIDE)
1-676-603-
21
(21)
LED801
K
A
LSW801
A1
S1
A2
K1
S2
K2
K
A
K1 S2 K2
A1 S1 A2
6-6.
PRINTED WIRING BOARD – SUB Board –
6-7.
SCHEMATIC DIAGRAM – SUB Board –
(Page 18)
(Page 24)
(Page 25)
(Page 21)
XR-CA624X
23
23
1
2
2
3
4
5
6
7
8
9
10
VCC
IN2
S-GND
IN1
NC
NC
OUT2
NC
P-GND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
+
–
+
–
+
–
+
–
OVER VOLTAGE
PROTECT
REGULATOR
1
2 3 4
5
6
7
8
9
10
12
11
NC
TUNER8.7 ANT SW
TUNER5.6 SW
STB
VDD5.6V
AMP
VCC
ANT
COM8.7V
TUNER5.6V
TUNER8.7V
GND
SOFT STEP FADER
SOFT STEP FADER
SOFT STEP FADER
SOFT STEP FADER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
INPUT
MULTIPLEXER
TAPER
PDR+
PD
–
PDL+
PAUSE
PHONE
TIM
NAVI
AM IF
CMPX
1
2
3
4
5
6
7
8
9
10
11
TAPE
PD
PHONE
TIM
NAVI
TAPEL
MDR
MDL
CDR
CDL 40
41
42
43
44
PAUSE
BEEP
IN-GAIN
+AUTO ZERO
SOFT STEP
VOLUME
7 BAND
EQUALIZER
SOFT MUTE
LOUDNESS
+
+
SWACOUT 37
HPF
ACOUTL 38
ACOUTR 36
OUTPUT
SELECTOR
SWIN 34
ACINR 35
REAR
AC IN
SW
MAIN
MIXER
FRONT
ACINL
MIXINLF
MIXINLR
MIXINRR
MIXINRF
OUTLF
OUTLR
OUTRF
OUTRR
25
26
27
28
29
30
31
32
33
SUB
WOOFER
FILTER
SOFT STEP FADER
OUTSW
24
MONO FADER
DIGITAL CONTROL
IIC BUS
SPECTRUM
ANALYZER
22
23
VDD
DEMODULATOR
+STEREO ADJUST
+STEREO BLEND
25kHz
LPF
HIGH-CUT
S & H
PILOT
CANCELLATION
PLL
PILOT
DET
80kHz
LPF
FM/AM
NOISE BLANKER
STD
IN GAIN
AM/MPX2
MULTIPATH
DETECTOR
D/A
CONVERTER
QUAL
PULSE
FORMER
SAOUT
SACLK
21
SCL
20
SDA
GND
ATT
19
18
17
QUAL
16
MPOUT
MPIN
LEVEL
13
14
15
MPX1
12
CREF 39
MD
CD
FM
AM
IC301
CXA2509AQ-T4
IC351
LB1930M-TLM
IC581
BA8270F-E2
IC611
BA4908-V3
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC331
TDA7406T
+
–
–
+
–
+
–
+
–
+ –
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
26
27
28
29
30
31
32
33
34
37
38
39
40
24
25
PBFB1
PBRIN1
PBREF1
PBFIN1
35
36
PBGND
VCT
PBFIN2
PBREF2
PBRIN2
PBFB2
PBEQ1
PBOUT1
VCC
TAPEIN1
AUXIN1
MSLPF
LINEOUT1
NC
NC
G2FB
G1FB
MSTC
DGND
MSOUT
NC
NC
INSW
TAPESW
MSMODE
DRSW
MSSW
NC
NC
LINEOUT2
DIREF
AUXIN2
TAPEIN2
PBEQ2
PBOUT2
GND
F2
120
µ
/70
µ
X1
X1
VCT
+
F1
120
µ
/70
µ
24dB
F3
LPF
VCC
DETECT
MS ON/
OFF
FWD/RVS
TAPE EQ
TAPE/AUX
NR BIAS
24dB
MS
MODE
T2
T1
XR-CA624X
24
24
6-8.
PRINTED WIRING BOARD – KEY Board –
IC502
A-5
LED510
C-13
LED511
B-13
LED512
B-5
LED513
C-5
Ref. No.
Location
Ref. No.
Location
D501
H-11
D502
G-10
D503
F-10
D504
G-6
IC501
G-9
• Semiconductor Location
REP
1
MBP
EQ7
.
SEEK–
m
SOUND
OFF
MENU
DISC/
PRESET+
DISC/
PRESET–
SOURCE
LIST
>
SEEK+
M
ENTER
o
MODE
LED512, 513
(LCD BACK LIGHT)
3
4
1
2
DSPL
1
SHUF
2
3
4
5
37
6
LIQUID CRYSTAL DISPLAY
LED510, 511
(LCD BACK LIGHT)
38
74
KEY BOARD
(COMPONENT SIDE)
1-679-991-
11
(11)
LSW501, 507, 509, 510,
LSW514, 517–522
RE501
ROTARY ENCODER
(VOLUME CONTROL)
KEY BOARD
(CONDUCTOR SIDE)
1-679-991-
11
(11)
B
SUB BOARD
CNP801
A1
S1
A2
K1
S2
K2
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
K2
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
S1
A1
K2
S2
K1
S2
K1
A2
S1
A1
K2
S2
K1
A2
S1
A1
K2
S2
K1
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
A
(Page 22)
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