Sony KD-34XBR2 Service Manual page 4

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A BOARD SCHEMATIC DIAGRAM (1 OF 2)
1 | 2 | 3 | 4 | 5 | 6
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
—
| 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18
— 71 —
| 19 | 20 | 21
A BOARD WAVEFORMS
1 2
1.9 Vp-p (H)
6
5
0.5 Vp-p (H)
9 10
2.9 Vp-p (H)
A BOARD: IC3101 CXA2150AQ
15 14 13
- VM_LEV
- VM_DLY VM
- VM_COR
- VM_F0
- SHARPNESS
- VM_LMT
- PRE/OVER
- SHP_F0
- F1_LEV
- SHP_CD
SHP
Y
Y_IN 20 LTI
- LT1_LEV,MODE
CB_IN 21
CLP - SYSTEM
CR_IN CbCr
22 CTI
- CTI_LEV
- CTI_MODE
SCL I 2 C BUS
26
SDA 25 DECODER
F0
23
F1 24
- AFC_MODE
HS_IN 28
AFC
AFC_FIL 32 2.7MHz
DECODER
VCO
CERA 33
SCP
27 SCP
VTIM 54
VS_IN 42
COUNT
- V_FREQ
- AKBTIM 5V-DEF 9V-DEF 5V-SIG
- UP,LO_BLK
- VBLK_SW
- RST_SW
REG
IREF
18 31 29 30 55 19
KD-34XBR2
3 4
1.9 Vp-p (H) 1.4 Vp-p (H) 0.6 Vp-p (H)
8
7
3.1 Vp-p (H) 3.5 Vp-p (H) 3.3 Vp-p (H)
11
1.7 Vp-p (V) 1.5 Vp-p (V)
16 12 17 10 9 8 7 6 5 4 2
- R,G,B_CUTOFF
- LRGB2_LEV - BLK_BTN
0~-9dB - GAMMA,L - PIC_ON
- PICTURE - DCOL - R,G,B_ON
- DPIC_LEV
- SUB_CONT - DCOL_TEMP - AKBOFF
- AGING_W PABL_FIL
11
- BRIGHT - LIMIT_LEV
- AGING_B
- SUB_BRIGHT - WB_SW - R,G,B_DRIVE
64 R_OUT
Y
CLP DPIC GAM G_OUT
AKB 63
Y R
YS YS DCOL 62 B_OUT
- DC_TRAN R-Y MAT PIC DRV BLK
- Y_OFFSET G-Y YM YM LIMT
G
B-Y PABL
COL BRT
AXIS
HUE B
CbCr
- COLOR - COLOR_AXIS
- HUE NTSC-JPN
58 IK_IN
- CB_OFFSET NTSC-US
- CR_OFFSET PAL
56 ABL_IN
ABL
NTSC-PJ
57 ABL_FIL
- ABL_MODE
CLP PULSE - ABL_TH
CLK PULSE - P_ABL
59 SABL_IN
- S_ABL
60 PRE_RGB
38 L2_FIL
- CLP_PHASE
- CLP_GATE
TIMING 39 HP_IN
- LEFT_BLK
- H_POSITION
- RIGHT_BLK
- AFC_BOW 34 HPROT
- SYNC_PHASE
- AFC_ANGLE
- HBLK_SW
- AFC_COMP
HD 40 H_DRV
LOOP2
HCCMP_IN
36
- V_SCROLL
- V_ASPECT EW-FUNC
47 EW_DRV
- UP, LO_VLIN
- JMP_SW
- ZOOM_SW -H_SIZE -PIN_PHASE -EW_DC
- ASP_SW -PIN_AMP -UP,LO_UCP,UCG -H_COMP
-UP,LO_CPIN -UC_POL -PIN_COMP
AGC
W-FUNC
VOSC DF_PARA 46 DF_PARA
- VSAW0, 1_DCL,H
- V_SIZE - V_LIN - VSAW0, 1_AMP
- V_POS - V_COMP - VSAW_SW
MP_PARA
MP_PARA 45
- S_COR - V_ON
V-FUNC VSAW0,1
- MP_PARA_DC, AMP
HC_PARA
HC_PARA 43
- HC_PARA_DC, AMP, PHASE VSAW0, 1_
48 49 61 1 3 41 44 15 53 52 37 50 51