Block Diagram - Handset Section - Sony SPP-SS955 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-2. BLOCK DIAGRAM – HANDSET Section –
RFU501
RF UNIT
CN501 B+
1
VBAT (FOR RX)
6
ANT501
RXIP 51 RXIP
(ANTENNA)
5
RXIN 52 RXIN
4
RXQP
53 RXQP
3
RXQN 54 RXQN
8
LNAATN 43 LNAATN
7
RXEN 44 RXEN
2
60 AGC
AGC
CN502 B+
2
VBAT (FOR TX)
10
VBAT (FOR PLL)
7
TX.DATA 49 TXDATA
Q504 Q505
4
TXPWR0
TXPWR0 85
5
TXPWR1 80 TXPWR1
Q504, 505
TX POWER
ATTENUATOR
6
T E TXEN 79 TXEN
L 1 3 9 4 2 2 9 6 5 1 3
3
TXRXSW 82 TXRXSEL
12
SYNDATA SYNDATA
65
11
SYNCLK 71 SYNCLK
13
SYNSTB 72 SYNSTB
15
SYNEN 75 SYNEN
14
REFOSC 66 SYNTH5MCLK
w w w
05
.
CODEC
ASIC
IC401
IC501
DATAI 16 BIT MODULATOR &
CDCDATAO 25 29
REGISTER FILTER
FRAME
CDCFRAME 32 20
ICLK
CDCICLK 28
21 CONTROL
MCLK
REGISTER
CDCMCLK 26 26
RESETB
RESETO 27 25
DATAO
16 BIT MODULATOR &
CDCDATAI 24 30
REGISTER FILTER
EEPROM
IC502
NVDI 76 5 SKDI
NVDO 77 6 DO
D501
TALK/BATT
LOW
89
97 98 83 96
B+
X501
9.6MHz
S501
RING
OFF
ON
RESET SWITCH
Q302, 303
x a o
y
i
– 25 –
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8
LINEO
LINE BUZZER DRIVE
17
AMP Q502 (BUZZER)
SPKPO
19
SPEAKER
SPKMO
AMP
18
LINE LINE-IN
13
AMP
MIC401
MIC MICIN MIC AMP
11
AMP Q1
KEY MATRIX
SW1 – 15, 17, 19, 20, S502
Q Q
3 7 6 3
10 – 15 36, 35, 31, 22
KEYPADI0 – KEYPADB0 – KEYPADB3
KEYPADI5
62 33
LEVEL SHIFT
Q503
D305
CHARGE ON
DETECT
Q301
RESET SIGNAL
GENERATOR
IC301
D301 – 304
B+
RECHARGEABLE
u 1 6 3
BATTERY
(BP-T24)
.
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2 4
9 9 8
• SIGNAL PATH
: RX
BZ401
: TX
: BELL
SP401
(SPEAKER)
(MIC)
1 5 1 5 0 8 9 2 4
ART
CHARGE
+
TERMINAL
m
–
c o
– 26 –
SPP-SS955
2
9 9
9 8 2 9 9