Service manual

85
HCD-FR10W
IC602 MC14052 BDR2 IC605 M62429FP-TP
VR 2
VR 1
VIN1 VOUT1 GND DATA
VIN2 VOUT2 VCC CLOCK
7
2 3 4
8
1
REF AMP
VOL AMP 2
VOL AMP 1
6
LOGIC
CONTROL
5
VREF
IC201 MM1623BFBE
1VCC1
2C IN
3MUTE 1
4CVBS IN
28 VCC2
23 CVBS OUT
25 S1
150kΩ
BIAS
12CB IN
150kΩ
BIAS
CLAMP
6dB
6dB
6Y IN
7GND
8BIAS
CLAMP
BIAS
6dB
9I/P
10CY IN
11CLP
13MUTE2
5YC MIX
+
6dB–6dB
6dB
27 S-DC OUT
24 S2
LOW-PASS
FILTER
21 Y OUT
22 GND2
6.75MHz
75Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
75Ω
DRIVER
20 CY OUT
75Ω
DRIVER
S-DC OUT
S1/S2
26 C OUT
LOW-PASS
FILTER
6.75MHz
75Ω
DRIVER
CLAMP
150kΩ
BIAS
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
18 CB OUT
19 GND2
17 GND2
15 GND2
75Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
14CR IN
150kΩ
BIAS
16 CR OUT
75Ω
DRIVER
LOW-PASS
FILTER
6.75MHz
LOW-PASS
FILTER
13.5MHz
6dB
6dB
– IO Board –
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