Pioneer PRO-720HD Service Manual page 56
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Also See for PRO-720HD:
- Operation instruction manual (88 pages) ,
- Service manual (183 pages)
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PRO-720HD, PRO-620HD, PRO-520HD
1 (
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O
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1
3
4
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5
8 ,
6
8 ,
, 7
1
0
5
1 ,
3
, 2
1
3
3
1 ,
4
, 3
−
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6
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7
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9
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1 ,
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, 2
1
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, 4
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, 5
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6
9
TK15420M (SIGNAL ASSY : IC7102, IC7302, IC7502)
(SUB VIDEO ASSY : IC3002)
• 75ohm Video Driver IC
Pin Assignment (Top view)
OUT A
1
2
– IN A
+ IN A
3
VEE
4
MC33167TV (POWER SUPPLY ASSY : IC204)
• Switching Power Supply IC
Block Diagram
OSCILLATOR
PWM
3
GND
238
S
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p
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g i
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3
3 .
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(
G
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8
VCC
7
OUT B
6
– IN B
5
+IN B
LIMIT
S
Q
R
UVLO
THERMAL
REFERENCE
EA
5
COMPEN
P
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F
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t c
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n
Pin Function
No. Pin Name
1
VF
4 VIN
2
VOUT
3
GND
4
VIN
5 COMPEN Compensation/Standby
2 VOUT
VF
1
Pin Function
Voltage feedback input
Switch output
Ground
Input voltage / VCC
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