Sony HCD-FX888K Service Man page 60

HCD-FX888K
QQ
3 7 63 1515 0
– I/O Board –
IC203 NJM2235V (TE2)
IN 1 1
SW 1 2
IN 2 3
BIAS
SW 2 4
IC607 M62429FP-TP
VIN2 VOUT2
8 7
VR 2
TE
L 13942296513
VOL AMP 2
VOL AMP 1
REF AMP
VR 1
1 2
VIN1 VOUT1
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8 GND
BUFFER 7
OUT
6 VDD
5 VIN 3
VCC CLOCK
6 5
VREF
LOGIC
CONTROL
3 4
GND DATA
x ao
y
i
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8
IC601 MC14052BDR2
IC201 MM1623BFBE
1
VCC1
150kΩ
Q Q
BIAS
3 6 7 1 3
C IN 2 6dB
MUTE 1 3
-6dB
CLAMP
CVBS IN 4 6dB
YC MIX 5
CLAMP
6
Y IN
GND1 7
6dB
BIAS
8 BIAS
I/P
9
CY IN 10
150kΩ
CLAMP
BIAS
11
CLP
150kΩ
BIAS
CB IN 12
13
MUTE2
150kΩ
BIAS
14
CR IN
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.
2 9 9 4 2 8
S-DC OUT
28
VCC2
S1/S2
200Ω
1 5 0 5 8 2 9 9 4
27 S-DC OUT
75Ω
26 C OUT
LPF
DRIVER
6dB
6.75MHz
25 S1
24 S2
75Ω
23
LPF CVBS OUT
DRIVER
6.75MHz
22 GND2
75Ω
LPF
DRIVER
6.75MHz
21
Y OUT
6.75MHz
LPF
75Ω
20
6dB CY OUT
DRIVER
LPF
13.5MHz
19 GND2
6.75MHz
LPF
75Ω
6dB 18
CB OUT
DRIVER
LPF
13.5MHz
17 GND2
6.75MHz
LPF
75Ω
6dB 16
CR OUT
DRIVER
LPF
13.5MHz
15
GND2
m
co
9 9
2 8 9 9