SERVICE MANUAL
36
6 Ground
0
0
0
7 Ground
0
0
0
8 Ground
0
0
0.
9
Control signal input
0.03
13.5
13.1
10
Control signal input
0.03
13.5
13.1
11
Control signal input
0.03
13.5
13.1
12 Signal
input
3.9
22.2
47.0
13 Signal
output
0.7
22.2
47.0
14 Signal
input
3.9
21.9
26.0
15 Audio
output
3.9
21.9
26.0
16 Supply
voltage
7.8
0
0
Table 6 Function and Service Data of TDA7449 (N650)’s Pins
Digital Multimeter : Victor DT890D
Pin
No.
Symbol
Reference
Voltage (V)
Positive
Resistance
(K
Ω
)
Nerative
Resistance
(K
Ω
)
1
CREF
4.0
28.2
21.9
2 VS
8.0
1.8
1.8
3 PGND
0
0
0
4 ROUT
3.3
9.4
9.3
5 LOUT
3.3
9.4
9.3
6 R_IN1
4.0
21.9
26.0
7 R_IN2
4.0
26.7
24.3.
8 L_IN1
4.0
26.7
24.3
9 L_IN2
4.0
21.9
26.1
10 MUXOUT(L)
4.0
24.5
22.5
11 MUXOUT(R)
4.0
24.5
22.5
12 BIN(R)
4.0
28.0
26.1
13 BOUT(R)
4.0
28.0
21.0
14 BOUT(L)
4.0
28.0
20.8
15 TREBLE(L)
4.0
28.0
26.1
16 BIN(L)
4.0
30.5
28.0
17 TREBLE(R)
4.0
30.5
28.0
18 DIG_GND
0
0
0
19 SCL
3.4
6.8
6.7
20 SDA
3.1
6.8
6.7
Table 7 Function and Service Data of TDA9351PS/N2/3I (N100)’s Pins
Digital Multimeter : Victor DT890D
Pin
No.
Symbol
Reference
Voltage (V)
Positive
Resistance
(K
Ω
)
Nerative
Resistance
(K
Ω
)
1 P1.3/T1
3.8
9.5
9.5
2 P1.6/SCL
3.4
6.8
6.8
(continued)
Summary of Contents for 21C19/PF21C19
Page 21: ...SERVICE MANUAL 19 Fig 7 Block Diagram for TDA935 6 8 PS N2 with QSS IF Sound Channel ...
Page 24: ...SERVICE MANUAL 22 Fig 8 Pin Configuration SDIP 64 ...
Page 30: ...SERVICE MANUAL 28 4 Pin Connection Fig 16 5 Electrical Characteristics ...
Page 42: ...C I R C U I T D I A G R A M F O R 2 1 C 1 9 P F 2 1 C 1 9 ...
Page 43: ......
Page 44: ......
Page 45: ...MAIN PCB ...
Page 46: ...CRT RGB PCB ...