Sony SPP-Q123, Руководство по обслуживанию

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SPP-Q123
– 17 – – 18 –
– HANDSET SECTION –
24
27
31
34
• Signal path.
: RX (From Tel Line)
: TX (To Tel Line)
13
48
38
10
46
7
5
4
37
28
3
11
2
9
45 8
17 20
12
21
22
23
RF
AMP
Q1
RF
AMP
Q51
TX B+
SWITCH
Q54
VOLTAGE
DET
IC201
RESET
Q201
1st
MIX 2nd
MIX
DET
RSSI
LPF
IF
AMP
IF
IN
EXPANDER
PX
PLL
40
44
36 38 34 32
28
27 15 17 18 20
19
14 11
24
RX
PLL
46 42
TX
PLL
TX VCO
L52
Q52
1 22 47 23
LOCAL
OSC
4 3
X101
10.2MHz
X501
4.048MHz
43
9
6 7 8 20 5
10 LIMITER
BATT
ALARM
COMPRESSOR
DATA LATCH
CONTROL
29
D401-404
KEY LED
DRIVE
Q401
2
1
ANT 1
HELICAL
ANTENNA
BPF1
BPF
BPF51
BPF
BPF2
BPF
49.0MHz
46.0MHz
CF102
10.68MHz
CF101
460kHz
R01
R02
RECE
IN
RECEIVER
AMP
SP1
SPEAKER
AF
OUT
COMP IN
L01 L02
RF
IN MIX
IN MIX
OUT
MIX
OUT
CONTR TVCOIN RSSI
D COMP OUT
RSSI COMP
PD OUT
PD OUT
RV101
RSSI H
D501
CN202
D203
D202
CN201
TALK/BATT LOW
MODULATION
D51
PRE
AMP
PRE
IN
MUTE
EXP OUT
EXPANDER
IC101(2/3)
FIL
OUT LPF
CLK DATA STB
BATT LOW
SIG
OUT
BATT LOW
SWITCH
Q502
BUZZER
DRIVE
Q301
BZ301
BUZZER
MIC
AMP
MIC1
MIC
COMPRESSOR
IC101(3/3)
KEY MATRIX
D502
D504
CHARGE
TERMINAL
BT901
RECHARGEABLE
BATTERY
BP-T16
3.6V
B+
(+4V)
B+(+2.4V)
B+
(+4V)
B+
(+3.6V)
GND
SWITCH
Q202
HOLD
Q501
TX B+ CTRL
LED
TX DATA
RSSI
H/L
RX
DATA
TX DATA
PLL CLK
PLL DATA
PLL STB
BATT LOW
SIG IN
MIC
BEEP
KEY LED
ROW 1-5
COL 0-3
H • MUTE
CHG DET
RESET
HOLD
ACT3
ACT4
L101
LOCAL
OSC
OSC1 OSC2
MUTE
COMP
OUT
MIX,IF AMP,DET
IC101(1/3)
DATA
COMP
SYSTEM
CONTROL
IC501
FL101
DET