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3-3. PRINTED WIRING BOARDS – MAIN SECTION –
1
2
MAIN BOARD (SIDE-B)
A
A
KEY BOARD
B
C
VOLUME BOARD
IC201
CN101
RV151
HEADSET
VOLUME
(TEL)
D
BZ1
BUZZER
11
1-681-410-
(11)
E
C163
C182
R169
D162
R168
F
Semiconductor
z
Location
Ref. No.
Location
Ref. No.
Location
D101
B-4
D204
C-3
D102
C-4
D205
C-12
D103
C-4
D104
C-4
D301
E-11
D105
C-6
D302
E-11
D303
C-4
D106
E-12
D402
E-6
D107
E-12
D403
E-6
D108
B-6
D109
B-8
D404
F-9
D110
F-12
D405
E-10
D407
F-9
D111
C-8
D408
F-9
D121
E-11
D409
F-11
D161
E-3
D162
F-3
D410
F-9
D163
F-11
D501
E-6
D502
E-9
D201
B-3
D602
B-6
D202
B-4
D203
B-4
3
4
5
MJ101
MJ102
TEL/DATA
LINE
6
1
1
6
CN301
1
4
D201
D203
D202
F101
T101
R202
R201
CP101
D101
C1
C201
D102
R101
C101
C202
D104
D103
Q101
R102
E C B
D204
D303
Q102
C204
8
1
E C B
R203
C301
C203
11
12
CN401
10
IC301
5
4
X301
3
C302
1
J201
2
1
C304
15
Q161
R312
1
C180
SDG
C305
C306
5
R165
C311
C307
C181
5
C308
R313
R174
C312
C313
R442
20
C172
10
C314
C169
1
22
R432
Q431
R318
BCE
14
R409
R163
R166
D161
Q162
GDS
C414
C404
R129
B
KEY BOARD
Ref. No.
Location
Ref. No.
Location
IC101
D-6
Q421
E-6
IC102
F-11
Q431
E-4
IC201
C-3
Q501
D-9
IC301
D-5
Q502
D-9
IC401
E-10
Q503
E-6
IC601
B-9
Q601
C-9
Q101
C-5
Q102
C-5
Q103
E-11
Q104
C-8
Q161
D-4
Q162
E-3
Q301
C-9
Q302
E-11
Q401
E-6
Q403
E-9
6
7
J601
AUDIO IN
MAIN BOARD (SIDE-A)
J101
R601
HEADSET
C121
D108
R602
C603
C175
C128
R331
R123
R112
R111
R110
R122
D105
R125
R109
R108
C106
C105
L101
8
5
1
IC101
C110
9
12
16
C108
C117
R114
C109
C501
R115
C104
R501
R502
C502
C120
D402
C411
Q421
C401
R411
E C B
R422
Q503
Q401
D403
ECB
BCE
R421
R423
C421
C503
11
1-681-409-
(11)
9
9
8
9
10
6
4
IC601
D111
1
3
C135
R134
Q601
D109
BCE
Q104
R304
Q301
R503
Q502
Q501
ECB
R300 R301
C413
IC401
1
14
Q403
S D G
R408
C406
D408
10
5
D410
7
8
D407
Note :
• X : parts extracted from the component side.
•
z
•
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(Side B)
Parts face side:
(Side A)
TL-HP90
11
12
S301
S301
DIAL MODE
T
R311
P
S201
S201
RINGER LEVEL
R207
H
L
OFF
D302
D301
D121
R173
Q302
ECB
D405
R172
BCE
Q103
C167
C166
5
4
IC102
C164
D409
1
C171
R410
8
D110
11
1-681-409-
(11)
: Through hole.
: Pattern from the side which enables seeing.
Parts on the pattern face side seen from the
pattern face are indicated.
Parts on the parts face side seen from the
parts face are indicated.
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