Sharp PN-K321 (serv.man3) Service Manual ▷ View online
PN-K321/K322B HARDWARE DESCRIPTIONS
8 - 3
3. BLOCK DIAGRAM
■ BLOCK DIAGRAM
PN-K321/K321H
:’13/Dec
:’14/Jan
㻵
㻹
㻰
㻴
㼔㼏
㼠㼕
㼣㼟
㻙
㼄
㻵
㻹
㻰
㻴
㼞㼛
㼠㼜
㼍㼐
㼍㻌
㻯
㻭
䠅㼠
㼕㼚
㼡㻌
㼥㼘
㼜㼜
㼡㼟
㻙㼞
㼑
㼣㼛
㼜䠄
㻵
㻹
㻰
㻴
㼠㼞
㼛
㻼㼥
㼍㼘
㼜㼟
㼕
㻰
㼘㼛
㼞㼠
㼚㼛
㼏
㼞㼑
㼠㼡
㼜
㼙㼛
㼏㼛
㼞㼏
㼕
㼙
㼑㼠
㼍㼐
㼜㼡
㻌
㼃
㻲
䠅
㻯㻞
㻵䠄
㼚㼛
㼕㼠
㼍
㼙㼞
㼛㼒
㼚㼕
㻌
㻰
㻿
㻻
㻮
㼃
㻼㻌
㻯
㻰㻙
㻯
㻰
㼘㼍
㼚㼓
㼕㼟
㻌
㻰
㻿
㻻
㼍㼚
㼑㼔
㼠
㻭
㻕㼞
㼑㼠
㼟㼍
㻹㻔
㼍㼚
㼑㼔
㼠
㻭
㻕㼑
㼢㼍
㼘
㻿㻔
㻰
㼍㼚
㼓㼕
㻿㻌
㼛㼑
㼐㼕
㼂㻌
㻼
㼘
㻰
㻸
㻼
㻯
㻲㻵
㻌㼚
㼕㼍
㻹㻌
㼠㼡
㼜㼚
㻵㻌
㻌
㻮
㼃
㻼
㼟㼡
㼎
㼂
㻯
㻼㻛
㼘㼍
㼚㼓
㼕㼟
㻌
㻮
㻿
㼁
㻰㻛
㻭
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㼕
㻿㻌
㼘㼛
㼞㼠
㼚㼛
㻯
㼠㼡
㼜㼚
㼕㻌
㼛㼕
㼐㼡
㼍
㼛㼕
㼐㼡
㻭
㻼
㻹
㻭
㼠㼡
㼜㼠
㼡㼛
㻌㼛
㼕㼐
㼡㼍
㼓㼚㼍㼘
㼓㼚㼍㼘
ni
a
M
B
W
P
FI
20
3N
C
10
41
NC
10
2N
C
00
52
CI
00
42
CI
20
8C
I
10
7C
I
00
41
CI
00
2C
I
10
5C
I
I
MD
H s
la
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mr
et t
on
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H1
23
K
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㼀㼛㼡㼏㼔㻌㼜㼍㼚㼑㼘
㼏㼚㼑㼏㼠㼛㼞
㼁㻿㻮䚷㻮㻌㼜㼛㼞㼠
㻾㻿㻙㻞㻟㻞㻯
㼜㼛㼞㼠
㻸㼕㼚㼑㻌㼕㼚
䠄㻟㻚㻡䃥䚷㼟㼠㼑㼞㼑㼛䠅
㼔㼑㼍㼐㼜㼔㼛㼚㼑
䠄㻟㻚㻡䃥㻌㼟㼠㼑㼞㼑㼛䠅
㼗㼑㼥㻌㻼㼃㻮
㻸㻱㻰
㼕㼚㼐㼕㼏㼍㼠㼛㼞㻌㻼㼃㻮
㻮
㼃
㻼㻌
㻰
㻱
㻸
㼘㼑
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㻼㻌
㻰
㻯
㻸
㼞㼑
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㼞㼐
㻌
㻰
㻱
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㻸㼂㻰㻿㻌㼟㼕㼓
㼠㼞
㼍㼜
㼏
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㻯
㻰
㻮
㼃
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㼟㼥㼚㼏㼔㼞㼛㼚㼕㼦㼍㼠㼕㼛㼚㻌㼟㼕㼓㼚㼍㼘
㼞㼑
㼗㼍
㼑㼜
㼟
㼞㼑
㼗㼍
㼑㼜
㼟
㻺
㻻
㻯
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el
u
d
o
m
D
CL
10
82
NC
30
82
NC
10
7N
C
10
8N
C
10
13
NC
00
82
NC
PN-K321/K322B HARDWARE DESCRIPTIONS
8 - 4
PN-K322B
:’14/Jan
㻵
㻹
㻰
㻴
㼔㼏
㼠㼕
㼣㼟
㻙
㼄
㻵
㻹
㻰
㻴
㼞㼛
㼠㼜
㼍㼐
㼍㻌
㻯
㻭
䠅㼠
㼕㼚
㼡㻌
㼥㼘
㼜㼜
㼡㼟
㻙㼞
㼑
㼣㼛
㼜䠄
㻵
㻹
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㼜㼟
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㻰
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㼚㼛
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㼞㼑
㼠㼡
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㼞㼏
㼕
㼙
㼑㼠
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㼜㼡
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㻵䠄
㼚㼛
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㼙㼞
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㼚㼕
㻌
㻰
㻿
㻻
㻮
㼃
㻼㻌
㻯
㻰㻙
㻯
㻰
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㼚㼓
㼕㼟
㻌
㻰
㻿
㻻
㼍㼚
㼑㼔
㼠
㻭
㻕㼞
㼑㼠
㼟㼍
㻹㻔
㼍㼚
㼑㼔
㼠
㻭
㻕㼑
㼢㼍
㼘
㻿㻔
㻰
㼍㼚
㼓㼕
㻿㻌
㼛㼑
㼐㼕
㼂㻌
㻼
㼘
㻰
㻸
㻼
㻯
㻲㻵
㻌㼚
㼕㼍
㻹㻌
㼠㼡
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㻮
㼃
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㼟㼡
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㼂
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㼠㼡
㼜㼠
㼡㼛
㻌㼛
㼕㼐
㼡㼍
㼓㼚㼍㼘
㼓㼚㼍㼘
%
:
3
),
QL
D
0
20
3N
C
10
41
NC
10
2N
C
00
52
CI
00
42
CI
20
8C
I
10
7C
I
00
41
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00
2C
I
10
5C
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㼁㻿㻮䚷㻭㻌㼜㼛㼞㼠
㼀㼛㼡㼏㼔㻌㼜㼍㼚㼑㼘
㼏㼚㼑㼏㼠㼛㼞
㼁㻿㻮䚷㻮㻌㼜㼛㼞㼠
㻾㻿㻙㻞㻟㻞㻯
㼜㼛㼞㼠
㻸㼕㼚㼑㻌㼕㼚
䠄㻟㻚㻡䃥䚷㼟㼠㼑㼞㼑㼛䠅
㼔㼑㼍㼐㼜㼔㼛㼚㼑
䠄㻟㻚㻡䃥㻌㼟㼠㼑㼞㼑㼛䠅
㼗㼑㼥㻌㻼㼃㻮
㻸㻱㻰
㼕㼚㼐㼕㼏㼍㼠㼛㼞㻌㻼㼃㻮
㻮
㼃
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㼞㼑
㼗㼍
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㼟
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㼗㼍
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㼟
㻺
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㻰
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㼃
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㻰
㻱
㻸
HO
X
G
R
P
'
&/
㼀
㼛
㼡
㼏㼔
㻌㻼
㼍㼚
㼑㼘㻌
㻌㼁
㼚
㼕㼠
㻌㼘
㼑㼚
㼍
㻼㻌
㼔㼏
㼡
㼛
㼀
㼞㼑
㼘㼘
㼛㼞
㼠㼚
㼛
㻯
㼘㼑
㼚㼍
㻼㻌
㼔㼏
㼡
㼛
㼀
㼁㻿㻮䠄㻰㻼㻛㻰㻹㻕
㻵㻞㻯㻔㻿㻯㻸㻛㻿㻰㻭㻕
㻻㻿㻰
㻼㻯㼂㼎㼡㼟
㼂㻮㼁㻿㻌㼜㼛㼣㼑㼞
10
82
NC
30
82
NC
10
7N
C
10
8N
C
10
13
NC
00
82
NC
PN-K321/K322B HARDWARE DESCRIPTIONS
8 - 5
4. CONNECTOR TABLE
PN-K322B
■ LCD UNIT
CN No.
Pin No.
Symbol
Function
1
AIN0-
LVDS
data(-)
2 AIN0+
LVDS
data(+)
3 AIN1-
LVDS
data(-)
4 AIN1+
LVDS
data(+)
5 AIN2-
LVDS
data(-)
6 AIN2+
LVDS
data(+)
7 GND
GND
8 ACK-
LVDS
clock(-)
9 ACK+
LVDS
clock(+)
10 AIN3-
LVDS
data(-)
11 AIN3+
LVDS
data(+)
12 BIN0-
LVDS
data(-)
13 BIN0+
LVDS
data(+)
14 GND
GND
15 BIN1-
LVDS
data(-)
16 BIN1+
LVDS
data(+)
17 GND
GND
18 BIN2-
LVDS
data(-)
19 BIN2+
LVDS
data(+)
20 BCK-
LVDS
clock(-)
21 BCK+
LVDS
clock(+)
22 BIN3-
LVDS
data(-)
23 BIN3+
LVDS
data(+)
24 GND
GND
25
I2C_SDA
I2C data signal
26
I2C_SCL
I2C clock signal
27 Hsync
Control
signal
28 VCC
5.0V
29 VCC
30 VCC
CN
LED Bar
INPUT
1 ANODE
LED
anode
2 ANODE
LED
anode
3 NC
-
4 NC
-
5
CATHODE1
LED cathode 1
6
CATHODE2
LED cathode 2
7
CATHODE3
LED cathode 3
8
CATHODE4
LED cathode 4
■ MAIN PWB
CN No.
Pin No.
Symbol
Function
CN201
Display
Port input
connecter
1
D3-
Main differential signal
2 GND
GND
3
D3+
Main differential signal
4
D2-
Main differential signal
5 GND
GND
6
D2+
Main differential signal
7
D1-
Main differential signal
8 GND
GND
9
D1+
Main differential signal
10
D0-
Main differential signal
11 GND
GND
12
D0+
Main differential signal
13 GND
GND
14 GND
GND
15
AX+
AUX differential signal
16 GND
GND
17
AX-
AUX differential signal
18
HPD
Hot Plug Detect
19 RTN
GND
20 PWR
+3.3V
power
CN701
headphon
e output
connecter
1 GND
GND
2 HP_L
Headphone
L
3 HP_R
Headphone
R
(6)
PLUGIN
Plug insertion detection
CN801
Audio line
input
connector
1 GND
GND
2 LINE_L
Headphone
L
3 LINE_R
Headphone
R
(6) N.C.
-
CN3101
RS232C
input
connecter
1 GND
GND
2 TxD
RS232C
TxD
3 RxD
RS232C
RxD
(6)
PLUGIN
Plug insertion detection
:’14/Jan
PN-K321/K322B HARDWARE DESCRIPTIONS
8 - 6
CN No.
Pin No.
Symbol
Function
CN2801
For Service
USB 2.0
Type-A
Connector
1 VBUS
+5V
power
2 DM
USB
signal
3 DP
USB
signal
4 GND
GND
5 SHIELD
GND
6 SHIELD
GND
CN1401
HDMI input
connecter
1
1 D2+
TMDS
data
2 GND
GND
3 D2-
TMDS
data
4 D1+
TMDS
data
5 GND
GND
6 D1-
TMDS
data
7 D0+
TMDS
data
8 GND
GND
9 D0-
TMDS
data
10 CK+
TMDS
clock
11 GND
GND
12 CK-
TMDS
clock
13 CEC
CEC
signal
14 N.C.
-
15 SCL
DDC
signal
16 SDA
DDC
signal
17 GND
DDC/CEC
GND
18 +5V
+5V
power
19
HP
Hot Plug Detect
CN302
HDMI input
Connecter
2
1 D2+
TMDS
data
2 GND
GND
3 D2-
TMDS
data
4 D1+
TMDS
data
5 GND
GND
6 D1-
TMDS
data
7 D0+
TMDS
data
8 GND
GND
9 D0-
TMDS
data
CN No.
Pin No.
Symbol
Function
CN302
HDMI input
Connecter
2
10 CK+
TMDS
clock
11 GND
GND
12 CK-
TMDS
clock
13 CEC
CEC
signal
14 N.C.
-
15 SCL
DDC
signal
16 SDA
DDC
signal
17 GND
DDC/CEC
GND
18 +5V
+5V
power
19
HP
Hot Plug Detect
CN702
Visceral
speaker
speaker
connecter
1 SPK_RM
speaker signal（R)
2 SPK_RP
speaker signal（R)
3 SPK_LM
speaker signal（L)
4 SPK_LP
speaker signal（L)
CN2900
KEY
connecter
1 GND
GND
2
KEY1
KEY input signal
3
KEY2
KEY input signal
4
KEY3
KEY input signal
5
KEY4
KEY input signal
6
KEY5
KEY input signal
7
KEY6
KEY input signal
8
KEY7
KEY input signal
9 GND
GND
CN2901
LED
indicator
connecter
1 GND
GND
2 LED_R
LED(Red) lighting
control signal
3 LED_G
LED(Green) lighting
control signal
4 OPT_3.3V
(Not-use)
5 N.C.
-
6 N.C.
-
7 OPTIN
(Not-use)
8 IR
(Not-use)
9 IR_3.3V
+3.3V
power
10 GND
GND
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