- 20 -
PN-2955H-A
CIRCUIT DIAGRAM
Main PWB(B1) section 1/5
[ Tuner, CD mech. I/F Block ]
C
C
C
C
C
C
C
C
C
C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
C
C
S
D
G
S
D
G
C
C
GND OUT IN
C
C
C
C
1
2
3
4
5
C
VCC
G
VOUT
C103
C101
C105
R104
Q102
R105
C106
R106
R107
R116
R117
R206
R207
Q204
Q205
Q206
C205
C206
R217
C209
R119
C119
C120
C123
C124
D102
D103
Q101
Q105
Q201
Q202
Q203
C108
C109
C115
C116
C117
R208
R209
R210
R212
R213
R214
TP101
TP102
TP103
D101
C207
C208
D201
C210
R110
R111
R112
C111
C110
C112
C113
C114
R115
C118
C121
R216
C203
C202
R118
R102
ANT101
SUP101
SUP102
L101
L102
C107
TH101
BL101
IC101
IC202
IC201
J201
TM102
TM101
150p
100
100
2200p
0
0
22p
10
16V
1.2K
1/4W
10K
UN521N
10
16V
1K
33K
2SK3018
2SK3018
UMD3
2.0K
F
0.1
0.1
220
10V
0.1
47
16V
100
16V
390 1/4W
1SS352
MA8091M
2SA2060
2SC5886A
2SC4081
DTA114EUA
DTC11
4EUA
2200p
1000p
1000p
1000p
1000p
47K
100K
4.7K
4.7K
4.7K
4.7K
ANT+B
8.5V
5V
1SS352
10
16V
(105)
10
16V
(105)
RR264M-400
220
10V
100
100
100
1000p
1000p
1000p
100
16V
2200p
100
100
16V
0.1
330
F
0.33
1
1 1/4W
1 1/4W
GT13-SHA
200p
0.285A
BD3931FP
5V-REG
LD1085P
S-1132B33U
5T1G
GIX 6CD
EARTH-PLATE
AM
FM-MAIN
FM-R MAIN
TUN-DSP
SYS+12V
GND
TUN GND
TUN-CPU
SYS+5V
B/U+5V
B/U-DET
P-ON1
CD-CPU
SPDIF 6CD
M-T SDA
M-T SCL
S-T SCL
S-T SDA
M K-AGC
M SPL
M HLD
M MSB
M LSB
M IF-P
M IF-N
S IF-N
S IF-P
S LSB
S MSB
S HLD
S SPL
S K-AGC
REQ
SYS ACC
SYS ACC
REQ
6CD DA
6CD CL
6CD CL
6CD DA
SYS-ACC
6CD-REQ
6CD-RST
6CD-SDA
6CD-SCL
140kV
MAIN
SUB
ANT+B
1
2
3
4
5
6
7
FM ANT
GND
AGC BUF
AM/FM
8.5V
AM/FM
5V
K AGC
AF SAMPLE
AF HOLD
SDA
SCL
IF AGC MSB
IF AGC LSB
GND
IF OUT1
IF OUT2
AM ANT
FM ANT
GND
AGC BUF
K AGC
GND
AF SAMPLE
AF HOLD
SDA
SCL
IF AGC MSB
IF AGC LSB
IF OUT1
IF OUT2
MAIN
SUB
TUNER-2
TUNER-1
TUNER 5.0V
TUNER 9V
4.7K
47K
ANT-ON
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
14
16
17
18
19
P-GND
D-GND
D-GND
L-CH
A-GND
R-CH
P-GND
VDD
RESET
SPDIF
SDA
A-MUTE
SCL
SYS-ACC
REQ
CD+9V
CD+9V
B/U-DET
P-ON1
CD+3.3V
3
4
4
2
2
4
4
4
3
3
2
CD+9V
1
2
3
130mA
50mA
60mA
300mA
To CD mechanism
13.1
9.7
9.0
9.0
0
5.0
6.4
6.4
0
0
0
4.9
4.9
3.2
0
FM:1.9/AM:0.4
8.7
5.0
0
0
0
A01-FM:0.18Vp-p(10.7M):SUB
A01-FM:0.18Vp-p(10.7M):SUB
(B05-4.9Vp-p)
(B05-4.9Vp-p)
(C04-4
.8Vp-p)
C04-4.4
Vp-p(BAND)
6.4
6.4
0
FM:0/AM
:3.3
0
4.9
4.9
3.2
0
FM:1.9/AM:0.4
0
0
0
0
A01-AM:0.1 FM:0.18Vp-p(10
.7M)
A01-AM:0.1 FM:0.18Vp-p(10
.7M)
(C04-3.3
Vp-p)
(B05-4.9Vp-p)
(B05-4.9Vp-p)
C04-3.1Vp-p(at n
on-recept.)
C04-4.4
Vp-p(BAND)
* Voltage : When standard input level is received
13.0
0
0
0
0
0
0
13.1/(0)
12.4/(0)
13.1/(0)
0
0
4.9/(0)
(ACC-OFF)
13.1
8.9
7.6
0
3.3
4.1
4.1
0
3.3
3.3
4.9
0
B05-4.9Vp-p
B05-4.9Vp-p
4.9
3.3
3.3
CD:D03-3.3Vp-p
3.3
4.9
3.3
CD:D03-3.3Vp-p
CD:D03-3.3Vp-p
3.3
3.3
4.8
0
0
CD:D02-
4.9Vp-p
0
0
0.7
3.3
0
0
CD:A01-2.6Vp-p
0
CD:A01-2.6Vp-p
0
0
3.3
4.8
4.5
CD:C02-3.3Vp-p
CD:D03-3.3Vp-p
0
CD:D03-3.3Vp-p
3.3
CD:D03-2.8Vp-p
8.9
A01
C04
B05
C02
D03
D02
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