Pioneer DBR-T210GBN, Service Manual

Page: 48 / 65

48
DBR-T210GBS, DBR-T210GBP
DBR-T210GBN
CXA2161R (MAIN ASSY : IC4001)
• AV Switch IC
•
Block Diagram (1/2)
Video and Digital section
Note: All video outputs contain 75
Ω
drivers, except Vout7.
+5V
0V
x2
x2
VOUT1 T.V BLUE
TV_FBLK
VOUT2 T.V GREEN
x2
x2
VOUT3 T.V RED / C
VOUT4 T.V CVBS / Y
x2
VOUT5 VCR CHROMA
x2
VOUT6 VCR CVBS / Y
Bias
FBLK_SW
VIDEO SWITCH1 (TV)
VIDEO SWITCH2 (VCR)
Mute
Typical Connection
RGB Gain Control
(+1,2,3dB)
MIX_SW
x2
VOUT7 (CVBS)
RF MOD
Sync
Detect
Tip
Tip
Tip
Tip
DC Restore / C Bias
C Bias
DC Restore / C Bias
DC Restore
DC Restore
DC Restore / Tip
DC Restore
TRAP
Output
disable &
Bi-direction
Control
Clamp Cntl
Output
disable
Output
disable
Output
disable
Output
disable
Output
disable
+5V/12V_VCCA
-5V_GNDA
+5V_DIG
+5V_VOUT
SDA
SCL
FNC_VCR
FNC_TV
3.3V or 5V
Fast Mode
Compatible
INTERRUPT
Monitor
0/6/12V
LOGIC
MIX_SW
MICRO
T.V.
VCR
+5V_VID
GND_VID
GND_DIG
AUD_BIAS
VID_BIAS
LOGIC
SYNC_ID
Interrupt
Control
+12V_DIG
Tip
C Bias
FBLK_IN1 DIG 10
FBLK_IN2 VCR 12
VIN1 DIG BLUE 50
VIN2 VCR BLUE 7
AUX CHROMA 1 VIN13
VIN3 DIG GREEN / CVBS 51
VIN4 VCR GREEN 6
VIN5 DIG RED / CHROMA 52
VIN6 DIG CHROMA 53
VIN7 VCR RED / CHROMA 5
VIN8 DIG CVBS / LUMA 54
VIN9 DIG CVBS / LUMA 55
VCR CVBS / LUMA 4 VIN10
VIN11 TV CVBS 3
VIN12 AUX Y/CVBS 56
24
21
14
44
48
40
8
18
49
2
15
34
35
13
Typical Connection
T.V
VCR
47
9
46
45
44
41
39
38
37
11
36
33
0/6/12V