Philips EXP7361 Service Manual page 9

PIN DESCRIPTION OF INTEGRATED CIRCUITS
TEA5767HN – LOW POWER FM-TUNER
Pin Name Direction
1 NC1 –
FM-tuner →
2 CPOUT
FM-tuner →
3 VCOTANK1
FM-tuner →
4 VCOTANK2
→ FM-tuner
5 VCCVCO
6 DGND GND
→ FM-tuner
7 VDIG
µP ↔ FM-tuner
8 DATA
µP → FM-tuner
9 CLOCK
10 NC2 –
µP → FM-tuner
11 WRITE/READ
→ FM-tuner
12 BUSMODE
→ FM-tuner
13 BUSENABLE
→ FM-tuner
14 SWPORT1
→ FM-tuner
15 SWPORT2
→ FM-tuner
16 XTAL1
→ FM-tuner
17 XTAL2
→ FM-tuner
18 PHASEDET
→ FM-tuner
19 PILDET
20 NC3 –
21 NC4 –
FM-tuner → headphone amp.
22 VAFL
FM-tuner → headphone amp.
23 VAFR
→ FM-tuner
24 TMUTE
FM-tuner →
25 MPXOUT
→ FM-tuner
26 VREF
→ FM-tuner
27 TIFCENTER
→ FM-tuner
28 LIMDEC1
→ FM-tuner
29 LIMDEC2
30 NC5 –
31 NC6 –
→ FM-tuner
32 IGAIN
33 AGND GND
→ FM-tuner
34 VCC
→ FM-tuner
35 RFIN1
36 RFGND GND
→ FM-tuner
37 RFIN2
→ FM-tuner
38 CAGC
FM-tuner →
39 LOOPSW
40 NC7 –
AN8399SA – HF-PREAMPLIFIER
Pin Name Direction
→ HF-preamp
1 PD
→ HF-preamp
2 LD
3 VCC +HF (+2.6V)
→ HF-preamp
4 RFN
HF-preamp →
5 RFOUT
→ HF-preamp
6 RFIN
→ HF-preamp
7 LDRCTL
→ HF-preamp
8 CAGC
HF-preamp →
9 ARF
→ HF-preamp
10 CEA
HF-preamp →
11 3TOUT
→ HF-preamp
12 CBDO
HF-preamp →
13 BDO
→ HF-preamp
14 COFTR
HF-preamp →
15 OFTR
HF-preamp →
16 NRFDET
17 GND GND
→ HF-preamp
18 SLPSW
19 VREF VREF
→ HF-preamp
20 TEN
HF-preamp →
21 TEOUT
→ HF-preamp
22 FEN
HF-preamp →
23 FEOUT
→ HF-preamp
24 GCTL
→ HF-preamp
25 FBAL
→ HF-preamp
26 TBAL
→ HF-preamp
27 E
→ HF-preamp
28 F
→ HF-preamp
29 D
→ HF-preamp
30 B
→ HF-preamp
31 C
→ HF-preamp
32 A
3-1
Description
no connection
charge pump output of synthesizer PLL
voltage controlled oscillator tuned circuit output 1
voltage controlled oscillator tuned circuit output 2
voltage controlled oscillator supply voltage
digital ground
digital supply voltage
bus data line input/output
bus clock line input
no connection
write/read control input for the 3-wire bus
bus mode select input
bus enable input
software programmable port 1
software programmable port 2
crystal oscillator input 1
crystal oscillator input 2
phase detector loop filter
pilot detector low-pass filter
no connection
no connection
left audio frequency output voltage
right audio frequency output voltage
time constant for soft mute
FM demodulator MPX signal output
reference voltage
time constant for IF centre adjust
decoupling IF limiter 1
decoupling IF limiter 2
no connection
no connection
gain control current for IF filter
analog ground
analog supply voltage
RF input 1
RF ground
RF input 2
time constant RF AGC
switch output of synthesizer PLL loop filter
no connection
Description
input for LD output monitoring PD signals
external TR drive pin for driving LD
power supply
RF addition amp inverting input
RF addition amp output
AGC amp input
LD reference voltage control pin
AGC loop filter connection pin
RF after AGC output
capacitor for 3T-ENV detection filter connection pin
3T-ENV detection output
capacitor for low-speed dark level BDO detection connection pin
BDO detection output
capacitor for low-speed off-track detection connection pin
off-track detection output
RF signal amplitude detection information output
ground pin
sleep mode control pin
reference voltage output (VCC / 2)
TE amp inverting input
track error output
FE amp inverting input
focus error output
gain & APC control pin
pin to input signal for controlling focus balance adjustment
pin to input signal for controlling tracking balance adjustment
satellite diode signal input
satellite diode signal input
central diode signal input
central diode signal input
central diode signal input
central diode signal input