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Panasonic Technics SU-CH7 Service Manual page 21

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(Power tra
SPEAKERS(SB-CH7)
(LOW-6Q)
(HIGH: 8M)
cpso2
CNS5OOC CN500D
7-5)'
CS
EET)
OTT
od
1
CN70IA
CN701B
CNSOIA
CN5OIB
T701
BRN
GRY
nsformer)
Ac
IN
(S701)
| AC IN P.C.B.
SU-CH7
SU-CH7
Do THERMISTOR P.C.B.
CN9S!
POWER
CONTROL
P.C.B.
[To RS-CH7]
FAN
MOTOR
®
To SL-CH7
7 ST-CH7
CN605
E OPERATION
P.C.B.
—25—
cP20! [
INPUT/OUTPUT
TERMINAL
PC.B.
i
-| cpa02
:| (cNeo2)
+:
1
'| cP8o!
(CNBOI)
7
ee
|e
J5018
J2048
fl
MIC/HEADPHONES
JACK
P.C.B.
m@ FUNCTIONS OF IC TERMINALS
e1C601 (M5D945-083SP)
Connected to A/D converter
reference voltage VCC
Spectrum analyser input A~E A/D
input
External control data signal input
External control clock signal input
External control data signal output
External control clock signal
output
Input for power ON/OFF
detection
Image signal switch output
Muting output "H" level when
mute is on mode
—10dB muting output
Serial data output
No.
Division
1
VREF
iB
oO_n
m~ >
KEY
DATA IN
oO ies] Cc Cc n "
CLK IN
ae
oO Cc n
DATA OUT
Oo Cc n
CLK OUT
12
POWER
an wo
< O Bs)
~
4
=
c aN
15
16
17
oO
=
Ps
1s
Clock output extracted from serial
data
Serial clock strobe
Super bass indicator motor Super
bass sound control signal output
Clock output for graphic equalizer
and extracted serial data
FL display output
STB
19
BASS
2
=
QO QO Cc c
vo
Division
p=
Connected GND
Electric volume control PWM
output
eet
Hold mode detection signal input
be
Connected to GND
Nd e
CS1
Cs2
PWM
OLD
D m n m 4
Reset input
Clock input-output
Connected to oscillator (X601)
(4.19 kHz)
ne | = seers |
SJO
XC OUT
BR] oO N
Pa
°
Cc
so
.
Sound jog input
35
SJ1
VRO
Encoder VR input
Pull down voltage input for FL
Grid output for FL
Segment output for FL
A/D converter reference voltage
Power supply
a ala_w
oO, w
—26—

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