Buffalo FTD-W932HSR/WH Service Manual page 19

19" LCD Color Monitor
'06-11-24 D402 change
Value from BAT54 to
BAV70
150 OHM DVI_5V
DSUB_5V FB401 2007-02-06 add for EMI
CMVCC
D402
BAV70
D401
2
CMVCC MCU_VCC_S NC
Q401
D403 PMBS3904
MCU_VCC_S
LL4148 C402
R402
1uF 10V 1K 1/16W
R403
'06-11-03 3.9K OHM 1/16W
U402 '06-11-03
AZ431AN-AE1
R404
10K 1/16W
Volume# R420 100R 1/16W
{2} Volume#
Mute R422 100R 1/16W
{2} Mute
PANEL_ID# R423 1K 1/16W
{2} PANEL_ID#
DIM# R424 1K 1/16W
{2} DIM#
PPWR_ON# R430 100R 1/16W
{6} PPWR_ON#
INV_ON# R432 100R 1/16W
{2} INV_ON#
DDC2_SCL R441 22R 1/16W
{3} DDC2_SCL
DDC2_SDA R440 22R 1/16W
{3} DDC2_SDA
DDC1_SCL R426 22R 1/16W
{3} DDC1_SCL
DDC1_SDA R428 22R 1/16W
{3} DDC1_SDA
R442 100R 1/16W
{3} DVII_DETECT
HPD_CTL
{5}
LED_G#
{2} LED_G#
LED_R#
{2} LED_R#
R415
PANEL_VCC
6K8 1/16W
10K 1/16W
2007-01-11 ADD
D401 is Reserve for
1 powerBoard CMVCC=3V
MCU_VCC
C412
1uF 10V
1
BAT54C
C405
MCU_VCC_S + C406
VCC3 MCU_VCC_S MCU_VCC_S
10uF/50V 0.1uF/16V
R454 R453 R451
MCU_RESET
44
P5.0/PWM0
45
P5.1/PWM1
46
P5.2/PWM2
47
P5.3/PWM3
48
P5.4/PWM4
1
P5.5/PWM5
2
DSCL2/P5.6
3
DSDA2/P5.7
5
ASCL1/P3.0/RXD
8
ASDA1/P3.1/TXD
9
P3.2/INT0
10
P3.3/INT1
11
P3.4/T0
12
P3.5/T1
13
P7.6/CLKO2
14
P7.7
U401
RTD2120L-LF
24mhz
C403 X401
R416 0.1uF/16V
1
R439
Closed to X'tal 6K8 1/16W
C401 C411
10pF 10pF
Closed to MCU
3
2
MCU_VCC
MCU_VCC
R411 R412
4K7 1/16W 4K7 1/16W
IICSDA
IICSCL
WP
RTD_SD3/SDI
RTD_SCLK
C409
NC
MCU_VCC
32
NC
31
NC
30
NC
29
NC
28 DSUB_V1
VSY NC
27
P6.7
26
P6.6/CLKO1
RTD2120L
25
P6.5
24
P6.4
23
P6.3/ADC3
22 R433 100R 1/16W
P6.2/ADC2
21 R434 100R 1/16W
P6.1/ADC1
20 R435 100R 1/16W
P6.0/ADC0
R437
3.9K OHM 1/16W
2
MCU_VCC
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
19
MCU_VCC
C404
R405
0.22uF16V
U403
1 8
NC VCC
2 7
NC WC
3 6
NC SCL
4 5
VSS SDA
M24C16
MCU_VCC
RTD_SD3/SDI {5}
RTD_SCLK {5}
C408
+
NC
NC
R421
NC
R425
10K 1/16W
R427 NC DSUB_V
DSUB_V {3}
R429 0R05 1/16W CRY STAR_OUT
CRY STAR_OUT {5}
DSUB_CONNECT
DSUB_CONNECT {3}
POWER_KEY #
POWER_KEY # {2}
KEY 1
KEY 1 {2}
KEY 0
KEY 0 {2}
R401 R438
10K 1/16W R436 C410
3.9K OHM 1/16W 10K 1/16W 0.1uF/16V
Victory Electronics Co . , Ltd. ) OEM MODEL
FTD-W932HS
G2507-1-K-X-7-071109 TPV MODEL
05.MCU/RTD2120L PCB NAME 715G2507-1-K
Thursday , Nov ember 08, 2007 Sheet 5
Buffalo FTD-W932HSR
R406 R407
R408 100R 1/16W 5% WP
R409 100R 1/16W 5% IICSCL
R410 100R 1/16W 5% IICSDA
R419 MCU_RESET
MVCC
R431
6K8 1/16W
Size B
Rev 1
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