TMR-RF960R
5
5
4-1. BLOCK DIAGRAM
J401
S401
NOISE FILTER
COMPARATOR
(POWER ON/OFF)
ALC
AMP
CH2
AMP
BUFFER
AMP
Q401
RECT
D404,405
INPUT
DET
DIVIDER
(19K)
BUFFER
OSC
AMP
TIME
DEVISION
MPX
J402
OFF
ON
L
R
R-CH
R-CH
R-CH
14
9
8
7
6
CH1
AMP
1
X401
38kHz
RV401
IC401
LPF
Q408
IC403
STEREO MPX
+5V
REG
SWITCH
Q404
IC402
ANT401
D401
D402
(POWER)
(CHARGE)
INPUT
B
A
TX-BASE BOARD
MOD
IN
ANT
5V
B+
5V
TX-VCO BLOCK
I
O
V
PILOT SIGNAL
MODULATION
REGULATOR
&
RIPPLE
FILTER
Q402
Q406,407
CHARGE
DET
S402
CHANNEL
1
2
B+
5V
3
BATTERY
CHARGE
TERMINAL
(TO MDR-RF920R/RF960R)
+
–
J403
DC IN 9V
CHARGE
CURRENT
LIMIT
Q405,410
1
13
R-CH
+
3
1
20
17
16
18
12
1
Q403
COMPENSATION
MODULATOR
Q501,502
RF AMP
Q503
X501
1080MHz
5
7
IC405(2/2)
IC405(1/2)
SYSTEM
CONTROL
IC404
D407
CT501
TRANSMISSION
FREQUENCY
CT501
• R-ch is omitted due to same as L-ch
• Signal path.
L
: AUDIO
F
: FM
SECTION 4
DIAGRAMS
