Panasonic PV-D4734S Service Manual page 117

IC8401 IC-DETAIL BLOCK DIAGRAM
VCC BIAS150k VCC
1
6.75MHz
2 4dB 4dB 75
LPF
3 MUTE1 SYNC TIP CLAMP GND
6.75MHz
4dB 4dB 75
4
LPF
5
6.75MHz
4dB GND
6
LPF
BIAS SYNC TIP CLAMP 4dB 75
7
8 GND
SYNC TIP
CLAMP
NC GND
9
10 GND BIAS 4dB 75
150k
11 NC
13.5MHz
4dB GND
12
LPF
13 4dB 75
13.5MHz
4dB
14
LPF
15 MUTE2 BIAS150k GND
13.5MHz
16 4dB 4dB 75
LPF
GND BIAS150k
17
NOTE:
PARTS MARKED "PT" ARE NOT USED.
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
IC8501 IC-DETAIL BLOCK DIAGRAM
16 15 14 13 12 11 10
VCOM GND
ZERO
SERIAL CONTROL
DETECT
DIGITAL
MODULATOR
FILTER
DAC
SERIAL I/F
LPF/AMP LPF/AMP
GND VDD VCC
1 2 3 4 5 6 7
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
9
DAC
8
IC8401, IC8501 IC-DETAIL BLOCK DIAGRAM
PV-D4734S/PV-D4744/PV-D4744S/PV-D4754S/
PV-D4734S-K/PV-D4744S-K/PV-D4754S-K