Pioneer CRT4709 Service-Handbuch - Seite 16

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Pioneer CRT4709 Service-Handbuch
1

10. SCHEMATIC DIAGRAM

10.1 PCB KIT (GUIDE PAGE)

A
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
Large size
SCH diagram
A-a
A-b
A-a
A-b
Guide page
1-CH(+)
Detailed page
A-a
A-b
1-CH(-)
B
RCA1A
C
2R-CH(+)
2-CH(-)
RCA1B
D
3-CH(+)
3-CH(-)
RCA1C
E
4-CH(+)
4-CH(-)
RCA1D
F
A
16
1
2
1
High input Buffer
C180
/ Gain Control
R183
R181
1
VR1A
8.2K
3.9K D
10uF/50
50KA
R103
GAIN
2
R180
C450105300010
3.9KD
22K
R188
C181
R182
10uF/50
8.2K
150
R184 3.9K D
1
R186
3.9K D
R101
1
C101
R102
4.7K
3
1
1K
10uF/50
2
IC1A
C102
NJM4565MD
1000pF
R106
10K
C103
15pF
R105
15K
1CH INPUT
Low Input Buffer
Gain : +4.0 dB
R116
INPUT
SELECT
SW3A
G060224200020
3
R216
33K
2CH INPUT
C280
R281
R283
1
3.9K D
8.2K
10uF/50
R203
5
R280
VR1B
3.9K D
22K
GAIN
50KA
R288
C281
C450105300010
10uF/50
R282
150
R284
1
3.9KD
8.9K
R286
3.9K D
C201
10uF/50
2
R201
R202 4.7K
5
7
1K
6
IC1B
C203
C202
15pF
NJM4565MD
1000pF
15K
10K
R205
R206
15pF
C204
C380
10uF/50
R381
R383
1
VR2A
3.9K D
8.2K
50KA
R303
GAIN
2
R380
3.9K D
C450105300010
22K
R388
C381
10uF/50
R384
R382
150
1
3.9K D
8.2K
R386
+
3.9K D
R302 4.7K
R301
3
3
1
1K
2
IC6A
C303
C302
15pF
NJM4565MD
1000pF
15K
10K
R305
R306
3CH INPUT
C304
15pF
R316
33K
FREQ
C450101400020
INPUT
6
SELECT
SW3B
IC10A
G060224200020
NJM4565MD
3
1
2
R416
33K
R312
10K
4CH INPUT
C480
R481
R483
1
3.9K D
8.2K
10uF/50
C450105300010
R403
5
GAIN
50KA
R480
3.9K D
VR2B
22K
R488
C481
10uF/50
R482
150
R484
1
8.2K
3.9K D
R486
+
C401
3.9K D
10uF/50
R401
R402 4.7K
4
5
7
1K
6
C403
IC6B
R404
C402
15pF
22K
NJM4565MD
1000pF
10K
R405
15K
R406
C404
15pF
GM-6500F/XZUC
2
3
A-a
Gain : -20 dB ~ +7.7 dB
80 Hz LPF
IC2A
NJM4565MD
3
1
C184
2
15pF
R187
22K D
R117
C185 47pF
18K
3
1
C182
2
C193
R118
IC3A
0.1uF
47pF
56K
NJM4565MD
C190 470pF
R190
1K
R40
5.1K
33K
C114
R115
LPF/HPF
33K
0.12uF
SELECT
G060234200020
SW1B
3
1
6
8
2
IC4A
NJM4565MD
IC2B
NJM4565MD
5
7
6
C210
0.056uF
R287 22K D
R217
IC3B
C285
18K
NJM4565MD
6
47pF
C211
5
C282
0.056uF
47pF
C194
R218
R285
56K
22K D
0.1uF
R43
3.3K
IC7A
NJM4565MD
3
1
2
0.056uF
C310
R387
2
VR3A
22K D
100KC
C450101400020
R317
56K
C385
47pF
C311
3
0.056uF
2
R385
8.2K
R318
NJM4565MD
C382
22K D
47pF
9
7
VR3C
C393
100KC
FREQ
0.1uF
Bch Lch Invertor
C450101400020
VR3B
5
C314
100KC
0.068uF
LPF/HPF
SELECT
R314
G060234200020
VR3A
2
8.2K
100KC
SW2B
R315
6
8
3
8.2K
1
2
C313
IC9A
0.027uF
NJM4565MD
FREQ
C450101400020
IC7B
NJM4565MD
5
VR3B
7
4
6
100KC
6
R419
R487
22K D
4.7K
R417
C485
47pF
NJM4565MD
56K
6
FREQ
5
C482
C450101400020
R485
VR3D
C411
22K D
47pF
100KC
0.056uF
10
12
C494
R418
0.1uF
8.2K
3
4
Gain : -4 dB
First step
Differential Absorption
+15.2V
R35 390/3
LPF/HPF
R38 390/3
SELECT
+
G060234200020
+
C3875
SW1A
R126
2
4
3.3K
Mute
+
Q130
Q133
D1304
R215
A1504
10K
D130
IC4B
1SS133
NJM4565MD
6
7
5
R226
3.3K
R225
+
10K
R229
5.6K
Q232
Invertor
C3875
Q230
D1304
7
Q233
A1504
+
R36
R37
-15.2V
LPF/HPF
SELECT
G060234200020
SW2A
R326
3.3K
2
4
Q332
Q330
D1304
C3875
FREQ
1
IC8A
Q333
C229
+
A1504
470uF/25
D229
R329
R415
5.6K
10K
1SS133
IC9B
NJM4565MD
6
7
5
R426
3.3K
Q432
C3875
D1304
Q430
Q433
A1504
IC8B
D430
1SS133
7
4
Q
Second Step
Differential Absorptio
+30V
R14
R137
100
1.2K
Q132
Q134
Q136
C132
C3875
A150
82pF/100V
C133
47pF/50V
R142
C134
4.7K
470uF/16
R144
1.8K
Q138
D600
R143 390
Q137
C3875
C136
Q135
82pF/100V
A1504
1.2K
R138
R145
R241
R237 1.2K
Q234
Q236
C232
C3875
A1504
82pF/100V
C233
47pF/50V
R242
C234
4.7K
470uF/16
Q238
R244 1.8K
D600
R243
390
C235
47pF/50V
Q237
C3875
C236
Q235
82pF/100V
A1504
1.2K
R245
R238
390/3
390/3
-30V
R337
1.2K
R341
Q334
Q336
C332
A150
C3875
82pF/100V
C333
47pF/50V
R342
C334
4.7K
470uF/16
Q338
R344 1.8K
D600
R343
390
C335
47pF/50V
Q337
C3875
C336
Q335
82pF/100V
A1504
R338
1.2K
R345
R437
1.2K
R441
Q434
Q436
C432
A1504
C3875
82pF/100V
C433
47pF/50V
R442
C434
4.7K
470uF/16
R444
Q438
1.8K
D600
R443
390
C435
47pF/50V
Q437
C3875
C436
Q435
82pF/100V
A1504
R438
R44
1.2K
100
NOTE :
Symbol indicates a resistor.
No differentiation is made betwe
discrete resistors.
Symbol indicates a capacitor.
No differentiation is made betwe
discrete capacitors.