Read Sony CDX-CA680N Service Manual online
26
26
CDX-CA680N
IC401 BD3802AF-FE2
IC750 TDA8588J/N1
28
27
26
25
24
23
22
21
20
19
18
17
I
2
C BUS
LOGIC
16
15
VCO
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
EFFECT (OFF,6dB,
10dB,14dB)
EFFECT (OFF,6dB,
10dB,14dB)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
INPUT GAIN
(0~15dB,1dB STEP)
MUTE
MUTE
6
7
8
9
10
11
12
3
4
5
2
1
D-GND
A-GND
FIL
BUS-
RCH
AN
BUS-
LCH
TU-
RCH
TU-
LCH
CD-
RCH
CD-
LCH
D1
D2 DS11
13
DS21
14
DS31
SDA
SCL
MUTE
SEL
ADJ
VCC
OUT-
RL
OUT-
RR
OUT-
FL
OUT-
FR
DS32
DS22
DS12
VCC
VCC/2
ON
OFF
ON
OFF
TONE
PASS
PASS
TONE
PASS
PASS
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL-
OUT-FL+
OUT-RL-
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR-
OUT-FR+
OUT-FR-
DIAG
ANT-REM
AMP-REM
SERVO5V
MECH6V
VP
B.UP+B
SDA
SCL
VP2
PGND3
SVR
IN-FL
IN-FR
BEEP
PGND2
VP1
STB
PGND1
RST
CRES
AUDIO8.3V
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
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