Read Sony CMT-E301 / HCD-E301 Service Manual online
HCD-E301
14
14
IC B/D
IC B/D
MAIN BOARD
(2/2)
1
DSIPLAY
BOARD
A
1
4.5 (4.3)
L110, TC102
AM TRACKING
T102
AM FREQUENCY
COVERAGE
L103, TC101
FM TRACKING
L104
FM FREQUENCY
COVERAGE
0 (0.7)
5.4
(0.1)
(0.1)
0
1
(0)
(0)
5.2 (0)
5.2 (6.2)
5.2 (6.2)
0 (6.2)
1.3
1.3
1.2 (0.4)
4.5 (0.1)
4.5 (4.3)
4.5 (5.6)
4.5 (4.3)
0
4.5 (0.1)
0 (0.7)
0.2
(0.4)
5.2
(5.4)
1.3
1.3
5.2 (6.2)
5.2 (6.2)
2.8 (3.6)
0
5.2
(6.2)
5.2
(6.2)
1.3
1.3
0.3 (0.5)
0
0 (2.6)
2.6 (0)
5.1
0.9
0.9
2.4 (1.5)
2.6
2.5
0.1
0.1
5.4
0
0.1 (3.1)
0
9.3
9.2
8.5
0.7
0
0
FM
LEAD
ANTENNA
ANT1
FM ANT
75
Ω
COAXIAL
C157
0.1
C104
0.001
L103
FM RF
C105 0.001
L104 FM OSC
C111
0.001
TP10
(FM VT)
R112
3.3k
+
10V
0.001
0.01
1.2k
0.001
+
50V
0.015
0.015
3.9k
+
+
3.9k
50V
50V
6.8k
6.8k
0.0033 0.0033
+
+
+
50V
3.3k
50V
50V
Q103
STEREO/MONO
SWITCHING
Q102
FM/AM BAND
SELECT SWITCH
Q101
FM OSC BUFFER
IC101
FM/AM IF AMB
MIX, MPX, DET, OSC
IC102
FM/AM PLL
4.7k
100p
0.001
0.022
5.6k
0.01
2.2k
50V
5.6k
+
+
0.1
0.1
7.2MHz
+
MTZJ-5.1
+
10V
1
µ
H
Q116, 209, 210
TUNER B+ SWITCH
0.1
CN101
8P
0.047
AM FERRITE-ROD
ANTENNA
1
µ
H
AM OSC
0.047
+
50V
TP11
(AM VT)
0.022
0.022
10.7MHz
450kHz
+
50V
BUFFER
+
0.047
MAIN BOARD
(1/2)
1N4148TP
1N4148TP
U
1
u
U
2
u
U
3
u
U
4
u
2SC1923
2.2P
10.7MHz
16V
RDSCL
RDSDA
PLLCE
PLLDI
PLLCL
STOUT
SIG
ST
RDSDA
PLLCE
PLLDI
PLLCL
STOUT
SIG
ST
470
16V
18P
4.7k
6-2.
SCHEMATIC DIAGRAM – MAIN Board (1/2) –
•
See page 21 for Waveform.
•
See page 22 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : AM
(Page 19)
(Page 15)
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