RCA MCR51R410 Service Manual page 31

b. Pin function for STR-F6654
Pin No. Symbol
1 OCP/FB Over-current protection detection signal/ voltage-limiting signal input
2 S
3 D
4 V
IN
5 GND
(4)Difference between STR-G5653 and STR-F6654
a.Different size: STR- F6654 is larger
b.Different pin functions
c.Different electric characteristics: Larger power output, switching current, avalanche-rated and internal
allowable power consumption for STR-F6654
2. Service Data of Key ICs
Pin No. Function Description
1 Audio Output
2 FM output/Selected Audio Output
3 PIF AGC
4 RF AGC Output
5 PIF Input1
6 PIF Input2
7 IF Ground
8 IF Vcc
9 FM Filter
10 AFT Output
11 Bus Data
12 Bus Clock
13 ABL
14 Red Input
15 Green Input
16 Blue Input
17 Fast Blanking Input
18 RGB Vcc
19 Red Output
20 Green Output
21 Blue Output
SERVICE , MANUAL
MOSFET source
MOSFET drain
Supply voltage input for control circuit
Ground
Table 2 Service Data of LA76818A (N101)'s Pins
Function Description
GDM8145 Multimeter
Voltage(V) Positive Resistance(k ) Negative Resistance(k )
2.2 6.82
2.41 6.59
1.98 6.99
3.73
2.84 6.71
2.84 6.71
0 0
5 0.41
2.22 7.06
4.75 5.28
4.8 14.48
4.8 5.316
3.24 7.036
0 7.04
0.022 7.02
0.022 7.03
0.015 3.24
8.234 0.46
2.8 5.33
2.96 5.34
2.8 5.33
30
7.6
486.6
512.7
26.4
29
0
0.38
0.76
380
360
172
17.5
60.5
6.02
3.2
0.45
6.05
6.07
6.05