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1999 Apr 14 39
Philips Semiconductors Product specification
Audio processor with head amplifier for VHS hi-fi TDA9605H
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14 APPLICATION AND TEST INFORMATION
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dbook, full pagewidth
MGR839
M
M
M
M
TUL
head drum
AH1 AH2
5 V
1
2
3
4
40
39
37
35
36
38
5
6
7
SAP
TUL
TUR
E1L
E1R
E2L
E2R
8
9
10
N
dub
11
normal select
input select
volume right
M
normal
input
level
RF converter
mute
volume left
decoder
select
+1 dB 12 V
TDA9605H
1.7 or 1.8 MHz
SAP
21 22
TUR
DCL
DCR
HID
HID
SDA SCL
26
25
24
23
TUL
E1L
SAP
TUR
E1R
E2L
E2R
V
CC
SAP
+
+ ++
+
+
41 44 42 43
standby select
SUPPLY
34 27 29 28
M
+
E2L
E2R
+
HF LFP
L
DCR
R
N
dub
HF LIMITER
PEAK HOLD
LEVEL
DETECTOR
PLL
CCO
(1.7 or
1.8 MHz)
LEVEL
DETECTOR
DROPOUT
CANCELING
HI-FI
DETECTOR
1.3 or 1.4 MHz
HF LFP
HF AGC
M
HF LIMITER
PLL
CCO
(1.3 or
1.4 MHz)
envelope output
select + record
envelope
output
select
+ playback
DCL
mute
R
L
PEAK HOLD
AUTO-MUTE
line select
output selectAUTN
AUTN
M
NOISE
SUPPRESSION
NOISE
SUPPRESSION
RECTIFIER
NOISE REDUCTION
FM (DE-)MODULATOR
HEAD AMPLIFIER
I/O CONTROL
CCA
W + FM
5th ORDER
AUDIO LPF
COMPRESSOR
EXPANDER
DETECTOR
AUDIO
CLIPPER
I
2
C-BUS
INTERFACE
M
= mute
I
2
C-bus
control
HID
RM
RM HID
AF/HF envelope
RM
19
20
16
15
17
18
13
14
AUDIO
CLIPPER
12
30
31
32
33
RECTIFIER
CCA
W + FM
5th ORDER
AUDIO LPF
COMPRESSOR
EXPANDER
DETECTOR
10 kΩ 18 kΩ
470 Ω
47 µF
10 nF
100 nF
100 nF
2.7 kΩ
33 kΩ
10 µF
10 µF
47 µF
6.8 nF
2.7 kΩ
33 kΩ
10 µF
10 µF
47 µF
6.8 nF
10 µF
decoder
line
10 µF
RFC
10 µF
10 µF
10 µF
3.3 MΩ
10 µF
220 nF10 µF
linear audio
SAP
tuner
CINCH
ext1
ext2
aux
220 nF
(11×)
39 kΩ
(2%)
47 µF
2.2 µF
10 nF
9 to 12 V
playback. +
record-mute,
recording
carrier ratio select,
record-mute
playback head
amplification,
record head
current
Fig.14 Application diagram.