Sony SPP-69, Руководство по обслуживанию

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5-3. BLOCK DIAGRAM — HANDSET SECTION —
SPP-69/79
– 21 – – 22 –
BPF1
49MHz
BPF51
46MHz
CF101
460kHz
ANT2
HELICAL
ANTENNA
1st
MIX
RX
PLL
TX
PLL
RX
VCO
1st
MIX IN
2nd
MIX
IN
IF-IN PRE-IN EXP-OUT AF-OUT
D-COMP-IN
1st
MIX
OUT
2nd
MIX
QUAD
2nd
MIX
OUT
CF102
10.68MHz
RSSI
QUAD
EXPANDER
PRE
AMP
LPF
IF
AMP
RX-OUT
D-COMP-OUT
VCO-CONT VCO2 VCO1
40 38 36 34
46 42 44 43
LOCAL
OSC
LO2 LO1
4
TX-IN TX-OUT RSSI
1 47 22 23 3
X101
10.2MHz
L102
RX VT
L52
TX VT
32 27
DATA
COMP
24
TX
AMP
Q51
KEY LED
DRIVE
Q401
TX
OSC
Q52
MODULATION
D51
45
13
8
9
SYSTEM CONTROL
IC501
RSSI
H/L
RX-DATA
TX DATA
10
TX DATA
46 H. MUTE
7
PLL-CLK
TX +B CTRL
48 LED
38 CHG-DET
FIL-OUT COMP-OUT MIC-IN
MIC
AMP
VCC1
FIL-IN
SPLATTER
9 10
6
11 14
33
DATA LATCH
CONTROL
BATT
ALARM
CLK
7
DATA
8
STB
21 5
BAT-ALM
28
15 17
18
E-MUTE
20
19
RECE-IN R02
R01
RECEIVER
AMP
SP1
SPEAKER
VOL
S101
H
M
L
EXPANDER
IC101 (2/3)
C-MUTE
COMPRESSOR
LIMITER
SIG-OUT
COMPRESSOR
IC101 (3/3)
B+ (+3.6V)
MIC1
MICROPHONE
5
PLL-DATA
4 PLL-STB
37 BATT-LOW
3
SIG-IN
28
MIC
BATT LOW
SWITCH
Q502
11 DEEP
2
KEY LED
20 17
14
23
22
12
21
29, 31-34
ROW1-ROW5
24-27
COL0-COL3
BUZZER
DRIVE
Q301
BZ301
BUZZER
KEY MATRIX
S1-S19
X501
4.048MHz
COL3
ROW3
D502
RESET
Q201
TX +B
SWITCH
Q54
VOLTAGE
DET
IC201
HOLD/RESET
Q501
3 1
D504
RX +B CTRL
ACT4
ACT3
HOLD
RESET
OSC1 OSC2
D501
TALK/BATT LOW
B+ (+3.6V)
D202
B+
(+3.6V)
–
+
CHARGE
TERMINAL
CN201
CN202
RECHARGEABLE
BATTERY
BP-T16
DC 3.6V
270mAh
FL101
460kHz
RX LEVEL
B+ (+3.6V)
MIX, IF AMP, DET
IC101 (1/3)
04
Signal path
: TX (To Tel Line)
: RX (From Tel Line)
+
–
5
4
RV101
RSSI Hi
D401-404
SPP-79