Sharp PZ-50HV2E (serv.man12) Service Manual ▷ View online
70
A
B
C
D
2
3
4
1
2
3
4
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
PZ-50HV2U
Ë
SUB ADDRESS A and B ASSYS
+60V
ADRGND
CN8801
R8801 - R8805
Q8801
V MID SW
ADRK EMG1
Q8803, Q8831
Q8805, Q8806
+12V
DGND
ADR-B
ADR EMG 1 Block
ADR-U
12V
ADR-D
ADRK. PD
CN8802
IC8801
IC8801
D8804
(DC+AC)
(-AC)
5V
SW
ADR-D
(DC)
CLK
ADR-U
ADR-B
+12V
IC8802
IC8802
IC8803
DGND
VADR
ADRGND
CLR
ADROUT
CN8803
IC8804
Current - Voltage
Convert Block
Convert Block
Over Current DET. Block
ADR Output
Resistance Load Block
Resistance Load Block
P.D. Output Block
BUFF Block
Inversion
Block
Block
Additional
Block
Block
Conparator
(EMG : ON)
(EMG : ON)
Flip / Flop
+5V REG
H : EMG1 OFF
L : EMG1 ON
H : V MID CLAMP OFF
L : V MID CLAMP ON
Conparator
(EMG : OFF)
(EMG : OFF)
71
A
B
C
D
1
2
3
1
2
3
4
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
PZ-50HV2U
Ë
ADR RESONANCE ASSY
+60V
+60V
+60V
+60V
CN6702
IC6704
C6703 - C6708
12V
Address Resonance Output Block
ADROUT
ADRGND
ADR B
VADR
C6720
Q6706
DGND
Q6707
+12V
IC6701
Q6701, Q6704
ADR U
ADR-B
C6721
Q6708
ADR-U
Q6709
ADR-D
SW
CN6701
ADR OUT
L6704
IC6702
Q6702, Q6705
VADR
V MID
ADR D
ADRGND
C6722
Q6710
DGND
Q6711
SW
CN6703
DGND
IC6703
Q6703, Q6712
V MID
C6716
C6718
ADRGND
ICP-S1, 0
ADR-B
Pre-Drive
ADR-U
Pre-Drive
ADR-U
Drive
ADR-D
Pre-Drive
ADR-D
Drive
ADR-B
Drive
CAUTION :
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE ONLY WITH SAME TYPE NO. ICP-S1.0 MFD
BY ROHM CO., LTD. FOR IC6704.
FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.
REPLACE ONLY WITH SAME TYPE NO. ICP-S1.0 MFD
BY ROHM CO., LTD. FOR IC6704.
72
A
B
C
D
2
3
4
1
2
3
4
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
PZ-50HV2U
Ë
ADR CONNECT A, B, C and D ASSYS
Ë
V MID CLAMP ASSY
ADR OUT
ADR PD
Q6502, Q6503
IC6501
CN6501
Buffer
BRIDGE ASSY
OPEN PD
HZ
LBLK
HBLK
LE
CLK
Address Module
(TCP)
Address Module
(TCP)
Address Module
(TCP)
Address Module
(TCP)
Address Module
(TCP)
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
DATA_R
DATA_G
DATA_B
HZ
LBLK
HBLK
LE
CLK
V MID CLAMP U
Output Block
D9010
VADR. U
V MID. U
ADRGND. U
Q9006
NC (DGND. U)
NC (SW. U)
CN9002
R9012
Q9002, Q9004
R9014
V MID CLAMP L
Output Block
D9019
VADR. L
V MID. L
ADRGND. L
Q9005
DGND. L
SW. L
CN9001
R9011
Q9001, Q9003
R9013
V MID CLAMP
Reference Voltage
Block
V MID CLAMP
Reference Voltage
Block
V MID CLAMP
ON/OFF Switch
V MID CLAMP
ON/OFF Switch
H : V MID CLAMP OFF
L : V MID CLAMP ON
L : V MID CLAMP ON
73
A
B
C
D
1
2
3
1
2
3
4
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
PZ-50HV2U
Ë
AUDIO AMP and SP TERMINAL ASSYS
4
22
1
14
11
12
9
6
8
7
11
12
13
14
A24
L
R
STB SW
CN5001
IC5202
(CXA2021S)
Audio Pre-Amp.
A_MUTE
SCL
SDA
FOCUS
SRS
AUDIO AMP ASSY
SP TERMINAL ASSY
30
1
L
R
IC5201
(NJM2193L)
Focus & SRS
Audio Processor
IC5002
(LA4628)
Audio
Power Amp.
19
12
1
6
L
R+
R–
L+
L–
R
17
18
4
5
2
3
5
6
8
9
11
13
A22
J5003
R+
L5301
ATF1206
L5352
ATF1206
R–
L+
L–
2
3
5
6
4
3
1
2
SP21
CN5302
CN5301
SPEAKER
TERMINAL
TERMINAL
IC5201 (NJM2193L)
IC5202 (CXA2021S)
IC5002 (LA4628)
No. Voltage (V) No. Voltage (V)
1
5.9
12
5.25
2
0
13
1.73
3
5.95
14
5.95
4
5.94
15
5.92
5
5.98
16
5.91
6
6.02
17
5.93
7
6.02
18
5.92
8
7.38
19
5.94
9
5.95
20
5.95
10
1.55
21
11.91
11
5.24
22
5.9
No. Voltage (V) No. Voltage (V)
1
5.95
16
11.91
2
5.94
17
0
3
5.84
18
0
4
5.98
19
5.98
5
5.98
20
5.91
6
5.97
21
5.97
7
5.98
22
5.98
8
5.98
23
5.98
9
5.98
24
5.98
10
5.97
25
5.97
11
5.97
26
5.98
12
5.98
27
5.98
13
5.96
28
5.84
14
5.98
29
5.94
15
0
30
5.95
No. Voltage (V)
1
1.6
2
7.5
3
0
4
3.37
5
2.29
6
1.6
7
1.97
8
7.3
9
7.3
10
0
11
7.3
12
0
13
7.3
14
15
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