Philips TDA1170S Service Manual
.
SYNCHRONIZATIONCIRCUIT
.
OSCILLATORAND RAMPGENERATOR
.
HIGHPOWER GAIN AMPLIFIER
.
FLYBACK GENERATOR
.
VOLTAGEREGULATOR
DESCRIPTION
The TDA1170Sis a monolithicintegrated circuitin
a 12-lead quad in-line plastic package. It is intended for use in black and white and colour TV
receivers.
TDA1170S
TV VERTICALDEFLECTION
FINDIP
(Plastic Package)
ORDER CODE : TDA1170S
PINCONNECTIONS
POWER AMPLIFLIER OUTPUT
December 1992
RAMP OUTPUT
SUPPLY VOLTAGE
FLYBACK
GROUND
POWER AMPLIFLIER
SUPPLY VOLTAGE
REGULATED
VOLTAGE
1 12 RAMP GENERATOR
2
3
4
5
67
11
10
9
8
COMPENSATION
AMP. INPUT
GROUND
OSCILLATOR
SYNC. INPUT
HEIGHT ADJUSTMENT
1170S-01.EPS
1/9
TDA1170S
BLOCK DIAGRAM
C
4
D
A
+V
S
FREQ
SYNC
P
TDA1170S
1
OSCILLATOR
9
C
1
8
SYNC
CIRCUIT
TABS
6
VOLTAGE
REGULATOR
RAMP
GENERATOR
712110
2
HEIGHT
R
C
A
2
2
FLYBACK
GENERATOR
BUFFER
STAGE
LINEARITY
PP
3
C
3
35
AMPLIFLIER
PREAMPLIFLIER
R
B
POWER
4
R
G
11
57
R
D
R
C
C
R
9
H
YOKE
C
8
CC
R
E
C
6
R
F
1170S-02.EPS
2/9
SCHEMATICDIAGRAM
TDA1170S
TABS
2
3
4
Q37
D8
5
D7
Q36
Q28
Q35
R10
Q29
D4
D5
D6
Q33
Q30
Q34
Q31
Q32
Q27
R8
Q26
R7
Q25
Q22
Q21
Q23
Q20
R9
Q24
D3
178101112
Q18
Q17
Q16
Q19
TDA1170S
Q1
Q15
Q10
Q11
R3
Z1
Q5
Q4
Q12
Q13
Q14
R5
B
A
R4
Q6
Q3
Q9
C
Q7
D
Q8
R6
E
D1
R2
69
R1
Q2
1170S-03.EPS
3/9
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