THOMSON crkd2143 Service Manual 009
MAIN SCHEMATIC DIAGRAM - SCHEMA DE LA PLATINE PRINCIPALE- SCHALTBILD GRUNDPLATTE - SCHEMA DELLA PIASTRA PRINCIPALE - ESQUEMA DE LA PLATINA PRINCIPAL (POWER/AMPLIFIER PART)
MAIN
C518
100nF
NOTES:
1. Unless otherwise specified:
A. All resistor values are in ohms
B. All Capacitor values are in uF
2. Voltages are positive with respect
to ground under no signal conditions
and volume control minimum
D515
1N4148
D516
R511
10K
1/16W
TO MAIN BOARD SHEET
R512
6K8
1/16W
1N4148
3. Replace transistors with type
specified from replacement parts list
4. * and indicates critical safety
components. Replace only with those
specified from replacement parts list
to maintain proper performances and
safety of this unit.
R502
470
1/16W
D504
2.4V
D501
1/2W
4.7v
1/2W
C502
100pF
R503L
390R
1/16W
16V
390R
16V
C535
22uF
50V
C522L
1NF
50V
C522R
1NF
50V
C509L
100uF
R502L
C502L
1uF
33K
50V
1/16W
R502R
33K
1/16W
50V
R510
1K
1/16W
R507L
R507R
1/16W
C502R
1uF
50V
KTC3875GR
Q501
100K
1/16W
100K
R532
1.5K
1/16W
1N4148
D503
R525
68K
1/16W
R529
33K
1/16W
C507L
470pF
50V
C507R
470pF
50V
C534
22uF
R526
2K2
1/16W
50V
R503R
1/16W
C509R
100uF
WARNING
SEE NOTE
7
1
7
1
111213
+VS
IC501
TDA7296
STBY-GND
111213
+VS
IC502
TDA7296
STBY-GND
WARNING
SEE NOTE
BUFFER_DRIVER
-VS
8
15
BUFFER_DRIVER
-VS
8
15
2
IN-
3
IN+
4
SGND
10
MUTE
9
STBY
2
IN-
3
IN+
4
SGND
10
MUTE
9
STBY
50V
OUT
+PWVS
BOOT_LOADER
BOOTSTRAP
CLIP_DET
-PWVS
OUT
+PWVS
BOOT_LOADER
BOOTSTRAP
CLIP_DET
-PWVS
C520
100nF
C524
100nF
C501L
5pF
50V
14
6
5
50V
C533
100nF
50V
14
6
5
50V
C537
C538
22uF
25V
22uF
25V
R505L
2K2
1/16W
C501R
R505R
1/16W
R501L
33k
1/16W
5pF
50V
2K2
D501L
1N4148
R501R
1/16W
33k
D501R
1N4148
R510L
10
1/4W
L501L
0.5uH
R512L
4R7
C505L
1NF
50V
C505R
1NF
50V
R508
22k
1/16W
R506
1/16W
1/4W
C518L
100nF
16V
C518R
100nF
16V
R512R
4R7
1/4W
L501R
0.5uH
R510R
10
1/4W
R507
22k
1/16W
C501
3.3k
47uF
25V
RESERVED FOR EU VERSION
C521L
100nF
50V
C521R
100nF
50V
Q505
KTC3875GR
Q504
KTC3875GR
R506L
22k
1/16W
R506R
22k
1/16W
D502R
1N4148
D502L
1N4148
L502L
5uH
L502R
5uH
L503L
L503R
R505
1/16W
5uH
5uH
10K
R503
10K
1/16W
C503
47uF
25V
R509
10
1/8W
L OUTPUT
C519L
100nF
16V
C519R
100nF
16V
R OUTPUT
Q502
KTC3203
R504
1K
1/8W
Q503
KTC3875GR
NJ501
TO FAN
N501
MAIN OUTPUT
1 2 3 4
12
WARNING
SEE NOTE
WARNING
SEE NOTE
10nF
D508
6A4
C526
D506
6A4
C528
D509
1N4001
D511
1N4001
100V
100V
10nF
C530
C531
100nF
50V
WARNING
SEE NOTE
330/47000uF
100nF
50V
C513
50V
RESERVED
WARNING
SEE NOTE
WARNING
SEE NOTE
C512
3300/4700uF
LM317
OUT
2 3
IC503
C515
22uF
123
MODULE
C553
100nF
50V
N519
OPTICAL OUTPUT BOARD
TOTX178A
TRANSMITTING
1 2 3
GND VCC INPUT
OP501
FIBER OPTIC
FIBER OPTIC
CONNECTOR INSERT
16V
R521
240
1/2W
R520
2K
1/2W
ADJUST
1
50V
IN
WARNING
SEE NOTE
C514
3300uF
25V
C516
22uF
25V
R530
1/2W
C525
10nF 100V
D505
4K7
D507
10nF
100nF
D510
1N4001
D512
1N4001
C527
6A4
C529
100V
6A4
C532
100nF
50V
50V
R531
4K7
1/2W
WARNING
SEE NOTE
F503
US: 5S4A 125V
EU: 5T4A 250V
F504
US: 5S4A 125V
EU: 5T4A 250V
WARNING
SEE NOTE
RF505
0R27
F505
5S1.6AL/250V
1W
WARNING
SEE NOTE
FOR EU VERSION
1 2 3
N801A
FOR EU VERSION
N801B
N883
1 2 3
JW3
JW2
JW1
12
JW04
JW05
CRKD2143
First issue 09 / 049 10
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