Sony XR-CA350X Marketing s & diagrams, Руководство по обслуживанию

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XR-CA350X
20 20
• IC Block Diagrams
– MAIN Board –
IC400 BD3803F-FE2
IC800 MM1175XFF
RESET
SWITCH
BATT
SWITCH
1
2
3
4
5
6
7 8
9
10
14
13
12
11
BUS ON
OUT
RESET
OUT
BATT
CLK
OUT
VREF
DATA
IN/OUT
GND
BATT
CHECK
CLK
IN
BUS ON
IN
RESET
IN
VCC
DATA IN
DATA OUT
22
DGND
21
SDA
20
SCL
19
MUTE
18
SEL
17
ADJ
16
VCC
15
OUTF1
14
OUTR1
13
OUTF2
12
OUTR2
6
B1
7
B2
8
C1
9
C2
10
D1
11
D2
1
2
C BUS
LOGIC
VCO
FADER
(0 ∼ –58,
–
∞
dB)
FADER
(0 ∼ –58,
–
∞
dB)
FADER
(0 ∼ –58,
–
∞
dB)
FADER
(0 ∼ –58,
–
∞
dB)
BASS, TREBLE, MIDDLE
(–15dB
∼
+15dB, 1dB STEP)
VOLUME
(+23 ∼ –79dB, –
∞
dB
1dB STEP)
INPUT GAIN
(0 ∼ 15dB, 1dB STEP)
MUTE
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
BASS, TREBLE, MIDDLE
(–15dB
∼
+15dB, 1dB STEP)
VOLUME
(+23 ∼ –79dB, –
∞
dB
1dB STEP)
INPUT GAIN
(0 ∼ 15dB, 1dB STEP)
MUTE
1
A
GND
2
VCC/2
FIL
3
AP1
4
AN
5
AP2
TONE
PASS TONE
PASS
• Waveforms
– MAIN Board –
4
IC900
ud
(OSC)
1
IC1
qs
(OSC2)
2 IC1
qh
(XO)
3.1 Vp-p
54.3 ns
5.1 Vp-p
30.5 µ s
– CONTROL Board –
2.4 Vp-p
21.1
µ
s