BenQ V37X, Product Service Manual, Page: 179 / 192

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
AFT
AFT
TU_VCC5
TU_VCC5
TU_VCC5
TU_VCC5
TU_VCC5
+33V_TU
+33V_TU
+9V_TUNER
+9V_TUNER
+9V_TUNER +9V_MSP
+9V_TUNER
+9V_TUNER
TV_SIF 9
TUNER_AGC 13
SDA_CONN 8,9,13
SCL_CONN 8,9,13
SW1 13
SW2 13
TV_CVBS 8
SCART1_VD_OUT 2
TUNER_AFT 13
Title
Size Document Number Rev.
Date: Sheet of
Project Code
Reviewed By Approved By Prepared By
Model Name
PCB P/N
PCB Rev.
BenQ Corporation
OEM/ODM Model Name
9J.01B75.BAE-C3-304-001
P04_Tuner_Panasonic
4 17
Jimmy Chang
4H.M7801.A01 A01
A3
V37X EU
9J.01B75.001
0
Thursday, August 31, 2006
V37X EU
Floyd Lin
Title
Size Document Number Rev.
Date: Sheet of
Project Code
Reviewed By Approved By Prepared By
Model Name
PCB P/N
PCB Rev.
BenQ Corporation
OEM/ODM Model Name
9J.01B75.BAE-C3-304-001
P04_Tuner_Panasonic
4 17
Jimmy Chang
4H.M7801.A01 A01
A3
V37X EU
9J.01B75.001
0
Thursday, August 31, 2006
V37X EU
Floyd Lin
Title
Size Document Number Rev.
Date: Sheet of
Project Code
Reviewed By Approved By Prepared By
Model Name
PCB P/N
PCB Rev.
BenQ Corporation
OEM/ODM Model Name
9J.01B75.BAE-C3-304-001
P04_Tuner_Panasonic
4 17
Jimmy Chang
4H.M7801.A01 A01
A3
V37X EU
9J.01B75.001
0
Thursday, August 31, 2006
V37X EU
Floyd Lin
(X7R)
(NP0)
(X7R)
near to TU1
near to TU1
TUNER
1.0V P-P
(1Vpp at 75 Ohm load)
(1/4W,
fusible)
sycn tip 640mV
sycn tip 710mV
Connecting TU GND and MSP GND
I2C Address=0xC2=11000010x
4.75~5.25V
29 ~ 35V
Max. Power Consumption
5V / 200mA
30V / 2mA
Vcc : 2.5V ~ 15V
Icc : 8mA
Vin : 7V ~ 25V
Iout : 500mA
S02_04 :
1. Del : U401, C401, C402, C403, C404, L401, D401
Del : C406, C407, L405, R415
2. +9V_TUNER change to +12VIN2
3. C422 --> 7H.10594.421 (DNP), C405 -->22P (DNP)
L406 --> 0 ohm,
D402 : 8C.04148.016 --> 8C.04148.A1F
L404 --> 6H.10220.111
4. DNP : R401,R402, R403, R404, R405,R406,
Q401, Q402, R416
S03:
1.+12Vin2 change to +9V_Tuner
2.Add C429,428, L401
3.U403 is changed to LM358DT.
4.Add D10,R430
5.U403 Change to LM358DR(TI) ,for ST can't provide any more
AV SDA SCL bus
input voltage -0~+5.5v
25C
Cooper Lue
C423
0.1U K C423
0.1U K
R414 0 R414 0
R420 100 R420 100
C418
1U K C418
1U K
B
E
C
Q405
BC847C Q405
BC847C
B
E
C
Q401
2N3904S_DNP
Q401
2N3904S_DNP
R401
1K_DNP R401
1K_DNP
C416
0.022U K
C416
0.022U K
C422
1U Z C422
1U Z
C409
0.1U K
C409
0.1U K
1
2
+
C410
100U 16V
+
C410
100U 16V
R427
10K R427
10K
A K
D402
1N4148WS
D402
1N4148WS
B
E
C
Q402
2N3904S_DNP
Q402
2N3904S_DNP
R406 10K_DNP R406 10K_DNP
C405
22P J_DNP C405
22P J_DNP
R412 0 R412 0
R402 10K_DNP R402 10K_DNP
R423
1K
R423
1K
C
E
B
Q404
2N3906S Q404
2N3906S
NC
1
NC
2
BM
3
NC
4
SW1
5
SW2
6
BT
7
RF-AGC
8
NC
9
SCL
10
SDA
11
AFT
12
SIF OUT
14
G1
G1
G2
G2
G3
G3
G4
G4
BTL
15
NC
16
VIDEO OUT
17
AUDIO OUT
13
TU41
ENG37A10GF
TU41
ENG37A10GF
A
K
Z42
UDZS33B Z42
UDZS33B
R408 0 R408 0
R422 0 R422 0
VO
3
GND
2
VI
1
U402
UA78M05CKTPR
U402
UA78M05CKTPR
C419
180P J C419
180P J
R403
1K_DNP R403
1K_DNP
R405 47K_DNP R405 47K_DNP
C411
0.1U K
C411
0.1U K
B
E
C
Q403
2N3904S Q403
2N3904S
C412
0.1U K C412
0.1U K
C420
6800P K C420
6800P K
1
2
+
C428
100U 16V
+
C428
100U 16V
R428 0 R428 0
L401 Z220 L401 Z220
C429
0.1U K
C429
0.1U K
R407 10K_DNP R407 10K_DNP
R419
470 R419
470
R425 150 R425 150
C414
10U K
C414
10U K
R426 22 R426 22
R424
10K
R424
10K
R417
22 J R417
22 J
1
2
+
C408
47U 16V
+
C408
47U 16V
T401 T401
R404 47K_DNP R404 47K_DNP
R416
10K_DNP R416
10K_DNP
R430
4.7 J R430
4.7 J
L404
1000U K
L404
1000U K
A K
D10
1N6478 D10
1N6478
R418
560 R418
560
C421
0.1U K
C421
0.1U K
C417
4700P K C417
4700P K
R410 0 R410 0
C426
10U K_DNP C426
10U K_DNP
S1
1
I-1
2
I+1
3
-VCC
4
I+2
5
I-2
6
S2
7
+VCC
8
U403
LM358DR U403
LM358DR
C415 0.022U K C415 0.022U K
R1
DNP R1
DNP
C413
10U K C413
10U K
R421 68 J R421 68 J