Philips MCM277, Руководство по обслуживанию

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PINNING
N O I T P I R C S E D N I P L O B M Y S
t u p n i r o t i c a p a c e l p p i r 1 E L P P I R
t u p n i F R M A 2 I F R - M A
d n u o r g o t t i u c r i c F R M F d e n u t l e ll a r a p 3 O F R - M F
e t a r t s b u s d n a d n u o r g F R 4 D N G F R
d n u o r g o t t i u c r i c r o t a ll i c s o - M F d e n u t l e ll a r a p 5 C S O M F
d n u o r g o t t i u c r i c r o t a ll i c s o - M A d e n u t l e ll a r a p 6 C S O M A
V
CC1
7 supply voltage
t u p t u o t n e r r u c g n i n u t 8 E N U T
t u p n i r o t a ll i c s o d e ll o r t n o c e g a t l o v 9 O C V
k 5 l a c i p y t e c n a d e p m i t u p t u o ( t u p t u o F A M F / M A 0 1 O F A Ÿ )
k 0 5 1 l a c i p y t e c n a d e p m i t u p n i ( t u p n i r e d o c e d o e r e t s 1 1 I X P M
Ÿ
)
t u p n i r e t l ¿ - p o o l 2 1 I F L
t u p n i e t u m 3 1 E T U M
k 3 . 4 l a c i p y t e c n a d e p m i t u p t u o ( t u p t u o l e n n a h c t f e l 4 1 O L F A Ÿ )
k 3 . 4 l a c i p y t e c n a d e p m i t u p t u o ( t u p t u o l e n n a h c t h g i r 5 1 O R F A Ÿ )
t u p n i r e t l
¿
r o t c e t e d t o li p 6 1 L I F L I P
e g a t s X P M d n a r o t c e t e d , F I f o d n u o r g 7 1 D N G F I
t u p n i r o t a n i m i r c s i d c i m a r e c 8 1 M E D M F
AFC
(n)
19 AFC negative output
AFC
(p)
20 AFC positive output
r o t a c i d n i h t g n e r t s - d l e ¿ 1 2 I S F
V
CC2
22 supply voltage for tuning
V
DDD
23 digital supply voltage
t u p t u o n o i t a c i d n i g n i n u t d n a o e r e t s / o n o m 4 2 T S / O M
t u p n i l a t s y r c 5 2 L A T X
d n u o r g l a t i g i d 6 2 D N G D
BUS-CLOCK 27 bus-clock input
t u p t u o / t u p n i a t a d s u b 8 2 A T A D
WRITE-ENABLE 29 bus write-enable input
) 0 P ( t r o p t u p t u o e l b a m m a r g o r p 0 3 0 P
) 1 P ( t r o p t u p t u o e l b a m m a r g o r p 1 3 1 P
t i u c r i c - C L z H k 0 5 4 2 3 C F A
0 3 3 l a c i p y t e c n a d e p m i t u p n i ( 2 t u p n i F I M F 3 3 2 I F I - M F Ÿ )
V
STAB(B)
34 internal stabilized supply voltage (B)
0 3 3 l a c i p y t e c n a d e p m i t u p t u o ( 1 t u p t u o F I M F 5 3 1 O F I - M F
Ÿ
)
AM-IFI/O2 36 input/output to IF-Tank (IFT); output: current source
0 3 3 l a c i p y t e c n a d e p m i t u p n i ( 1 t u p n i F I M F 7 3 1 I F I - M F Ÿ )
V
STAB(A)
38 internal stabilized supply voltage (A)
FM-MIXER 39 FHUDPLF¿OWHURXWSXWRXWSXWLPSHGDQFHW\SLFDO Ÿ )
AM-MIXER 40 open-collector output to IFT
PIN DESCRIPTION - SELF TUNED RADIO
TEA5757
k 3 l a c i p y t e c n a d e p m i t u p n i ( t u p n i r e t l ¿ c i m a r e c r o T F I 1 4 1 I F I - M A " )
d n u o r g F R M F 2 4 D N G F R
0 4 l a c i p y t e c n a d e p m i t u p n i ( t u p n i l a i r e a F R M F 3 4 I F R - M F
"
)
t u p n i r o t i c a p a c C G A 4 4 C G A
N O I T P I R C S E D N I P L O B M Y S
Pin configuration.
TEA5757H
TEA5759H
MHA112
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
RIPPLE
AM-RFI
FM-RFO
RFGND
FMOSC
AMOSC
VCC1
TUNE
VCO
AFO
MPXI
FM-IFI2
AFC
P1
P0
WRITE-ENABLE
DATA
BUS-CLOCK
DGND
XTAL
MO/ST
VDDD
LFI
MUTE
AFLO AFRO
PILFIL
IFGND
FMDEM
AFC
(n)
AFC
(p)
FSI
V
CC2
AGC FM-RFI RFGND AM-IFI1 AM-MIXER FM-MIXER V
STAB(A)
FM-IFI1 AM-IFI/O2 FM-IFO1 V
STAB(B)
PIN DESCRIPTION - SELF TUNED RADIO
TEA5757
6-4 6-4