SERVICE MANUAL
41
( continued )
3. Service Da
Table 12 Functions and Service Data of TDA9384 (N100)’s Pins
Digital Multimeter
:
Victor DT890D
ta of Key ICs
Pin No.
Function Description
Reference Voltage
(V)
Positive Resistance
(K
Ω
)
Negative Resistance
(K
Ω
)
1
P1.3/T1 4.33
6.63
6.6
2
P1.6/SCL 2.87
6.58
6.64
3
P1.7/SDA 2.7
6.59
6.63
4
P2.0/TPWM 1.81
19.02
36.13
5
P3.0/ADC0/PWM0 0.17
1.6 1.63
6
P3.1/ADC1/PWM1 0.1
4.87
4.87
7
P3.2/ADC2/PWM2 0.02
7.55
7.57
8
P3.3/ADC3/PWM3 0.02
7.54
7.55
9
VSSC/P 0
0
0
10
P0.5 0.02
4.88
4.9
11
P0.6 3.06
5.05
5.07
12
VSSA 0
0
0
13
SECPLL 2.29
21.46
27.35
14
VP2 7.86
1.27
1.29
15
DECDIG 4.99
16.2
23.33
16
PH2LF
3.43
21.01
27.32
17
PH1LF
3.9
21.33
27.58
18
GND3 0
0
0
19
DECBG 3.99
18.75
24.58
20
AVL/EWD (1)
0.74
20.36
26.37
21
VDRA 2.3
20.21
27.28
22
IFIN1 2.34
19.53
27.27
23
IFIN2 1.85
20.55
24.87
24
IREF 1.84
20.63
24.87
25
TUNERAGC 3.85
21.14
25.33
Summary of Contents for 25F83
Page 18: ...SERVICE MANUAL 3 Black Diagram 7 21 ...
Page 19: ...SERVICE MANUAL 8 22 ...
Page 20: ...SERVICE MANUAL 4 Pining 5 Refer to Table 12 about Functions and Data of the IC s Pins 9 23 ...
Page 46: ...CIRCUIT DIAGRAM JUC 820 975 JUC 820 591 JUC 820 725 JUC 820 644 APPENDIX ...
Page 47: ...Circuit Diagram for CRT RGB PCB of 25F83 PF25F83 ...