Read Sony CMT-EP707 / HCD-EP707 Service Manual online
22
22
HCD-EP707
5-7.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
•
See page 20 for Waveforms.
•
See page 30 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
1
DISPLAY
BOARD
A
DISPLAY
BOARD
B
DISPLAY
BOARD
C
MAIN
BOARD
(2/2)
1
MAIN
BOARD
(2/2)
2
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
3
0.9
(0)
4.7
(5.7)
4.7
(5.7)
4.7
(5.7)
1.1
(0.3)
1.2
1.3
1.3
4
4
3.9
4.7
(5.7)
1.3
1.3
4.7
(5.7)
2.4
(3.2)
0
4.7
(5.7)
4.7
(5.7)
1.3
1.3
0.1
(0.3)
0.1
(0.3)
4.7
(5.1)
4
(0.1)
0 (0.7)
1.9
(2.1)
3.6
(4.3)
1.1
(1.4)
AM TRACKING
IFT202, VC205
AM FREQUENCY
COVERAGE
IFT201
8.9
4.8
5.4
8.9
8.9
8.1
0.1
0.7
2.3
4.7
0.9
4.7
2.4
(0)
(0)
0
(2.4)
0
0
(2.7)
4
4.7
4.2
0
0
2.3
0.6
[8]
[8]
8.6
8.6
[7.3]
8.6 [0]
0
[4.7]
fmax – fmin
FM: 2.4 – 6.9
AM: 1.2 – 7.7
AM: 1.2 – 7.7
3.6
4
4
4
4
3.6
4
4
4
4
4
4
8.1
4
4.2
4.2
4
4
4
4
4
4
4
4
4
4
0
(4.7)
0
{4.5}
0
<5>
0
[4.7]
<4.7>
4.7
4.2
0
0
0
0.7
<0.7>
0.1
<0.1>
[0.7]
[0.1]
4.2
8.8
0.6
8.8
0.6
5.6
4.2
4.2
8.8
0.6
8.8
0.6
6.1
4.2
AM IF
IFT205
0
(4.8)
5
FM TRACKING
L203, VC202
FM FREQUENCY COVERAGE
L204
[5.1]
[1.8]
0
1
(AEP, UK)
1.8
1.8
1.7
3.7
∗
2
1.9
3.7
0
1.9
2.3
1.3
0.6
3.3
3.9
3.9
MOTOR ON
REC-EN
SOL
CD_DRV_B+
R-CH
L-CH
L-OUT
R-OUT
RIN
LIN
MAIN BOARD
(1/2)
IC202
FM/AM IF AMP,
MIX, MPX DET,
MIX, MPX DET,
OSC
IC201
FM/AM PLL
IC207
INPUT SELECT,
ELECTRICAL
VOLUME
IC204
FUNCTION
SELECT
2P
2P
2
1
AM
ANT
FM ANT
75Ω
COAXIAL
1000p
1000p
0.047U
3.3k
0.1U
1000p
1000p
50V
4.7U
50V
4.7U
50V
3.3k
50V
2.2U 50V
0.01U
0.01U
1k
1k
1000p
0.1U
0.01U
16V
50V
50V
0.022U
4.7k
4.7k
0.1U
4.7U
50V
0.047U
3.3U
50V
0.047U
0.047U
50V
0.022U
1000U
10V
0.1
12P
7.2MHz
10P
10V
0.1U
5.6k
16V
0.01U
0.001U
2.2k
5.6k
6P
3P
1
2
3
CON219
OPTICAL
TRANSCEIVER
CON219
GPIF32T
GPIF32T
SUPPLIED
WITH THE
WITH THE
ASSEMBLED BLOCK
CD
BLOCK
∗
∗
0.1
470U
16V
4.7U 50V
4.7U
50V
4.7k
DIGITAL
OUT
OPTICAL
VCC
D. OUT
D. GND
4.7U
50V
4.7U
50V
5.6k
5.6k
2.2U
50V
2.2U
50V
4.7U
50V
4.7U
50V
2.7k
2.7k
16V
2.2U
50V
2.2U
50V
2700P
2700P
220U
16V
5.6k
5.6k
1000P
1000P
IC205
CARRIAGE MOTOR DRIVE
IC206
DRAWER
MOTOR DRIVE
1W
1W
16V
0.1
4P
16V
2P
11P
DISPLAY BOARD
D
MD IN
CON204
SUPPLIED
WITH THE
WITH THE
ASSEMBLED
BLOCK
CHANGER
MECHANISM
BLOCK
(1/2)
∗
∗
0.047U
50V
2.2k
2.2k
2.2k
4.7k
0.001U
TP
(GND)
TP
(FM ANT)
TP
(VT)
AM RF
AM OSC
AM IF
FM OSC
BUFFER
BUFFER
15K
R222
22R
33R
0.1U
C325
0.1U
1
2
3
6
5
4
1
2
4
3
Q205
+5V
REGULATOR
100R
2200U
10K
Q206, 207
B+ SWITCH
1
2
3
5
4
BUFFER
Q204
FM/AM
SELECT SWITCH
20k
20k
1800P
1800P
C323
560P
560P
C321
560P
560P
C322
560P
560P
Q210, 211
B+ SWITCH
+5V
L206
100µH
2.2k
2.2k
9.1k
9.1k
C313
0.01U
D207
R412 3.9k
C318
470P
470P
C319
470P
470P
C320
470P
470P
CE284
100U
Q248 – 251
LED DRIVE
470U
16V
C316
0.1
470U
16V
R261
4.7k
2.2U
50V
3.3k
Q208
BUFFER
B+ SWITCH
1.5k
133
IC203
RDS DECODER
133
0.12
0.12
0.12
0.12
2SB1240
4.7k
4.7k
12k
12k
CON206
9P
CON218
3P
2.2U
50V
560P
16V
(Page 27)
(Page
27)
(Page 23)
(Page 27)
(Page 23)
(Page 27)
Ver 1.6
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