Sony DCR-DVD91E Service Manual page 72

4-2. SCHEMATIC DIAGRAMS
2 3
1
MD-104 BOARD(1/8)
A
RF PROCESS(RF BLOCK)
XX MARK:NO MOUNT
:Voltage measurement of the CSP IC
and the Transistors with mark,is
not possible.
FCS+
FCS+
FCS-
FCS-
@m01
B
(3/8)
TRK+
TRK+
TRK-
TRK-
D4501
MA111-(K8).S0
(7/8)
@m02
BATT_IN
(8/8)
CN4501 40P
FCS+
F+ 1
TRK-
C
T- 2
TRK+
FOCUS/TRACKING
T+ 3
COIL
FCS-
F- 4
F-GND 5
LDD-LDEN1 6
EFMPK
LDD-XOUTEN3 7
R4502
LDD-VCC 8
C4501
LDD-VCC 9 10u
C4553
B
0.001u
D
LDD-GND 10
LDD-GND 11
LD R4503
6800 HFQON
DRIVE
LDD-OSCEN 12
CPU_DAC3
LDD-IIN3 13
R4504 0
LDOW
LDD-IIN2 14
R4505 1k
LDOR
LDD-IIN1 15
EFMWP
LDD-XOUTEN2 16
XMOD_RW
MOD-C 17
E
TILT-LEDK 18
TILT-PDK 19
TILT-LEDA 20
TILT-PD2 21
TILT-PD1 22
G (PD-F) 23
D (PD-B) 24
C (PD-A) 25
F
E (PD-H) 26
F (PD-G) 27
B (PD-D) 28
A (PD-C) 29
PD
IC
H (PD-E) 30
PD-VCC 31
PD-VC 32
PD-GND 33
G
PD-RF- 34
PD-RF+ 35
PD-MODE 36
FPD-GND 37
FPDIC-VC 38
FPD
IC
FPD-VCC 39
FPDIC-OUT 40
CPU_DAC3
CPU_DAC3
H
XMOD_RW
XMOD_RW
OP_PWR_X
OP_PWR_X
LDON
LDON
C_ON
@m03
(4/8) C_ON
PDHG
C_ONRW
I
RF_PWR
CPU_DAC1
NOT USE
J
16
DCR-DVD91E/DVD101/DVD101E
4 5 6 7
Q4501
MCH3319-TL-E
SWITCH
C4505
1u
R4507 R4509
15k 10k
OP_PWR_X
LDON
R4508
C4504
R4506
1k
10u
47k
0
C4558
0.022u
B
Q4509
DTC144TMT2L
C4559
0.001u C_ON
R4574
B 10k
C4554
0.047u
B
Q4506,4507
Q4509,4510,4511 SWITCH
SWITCH
R4575
220k
Q4511
DTC144EMT2L
Q4506
DTC144EMT2L
XMOD_RW
G
Q4510 Q4507
D DTC144EMT2L
DTC144EMT2L
C
R4569
E 1M
Q4503
F
R4501 DTC144EMT2L
B 10k
A
IC4503
H
R4566
0
AND GATE
Q4503,4505
SWITCH
C4502 R4567
IC4503
XX
1u
TC7SZ08FU(TE85R)
B
R4565 CSP(CHIP SIZE
Q4505
RF-
15k PACKAGE)IC
DTC144EMT2L
RF+
C4503
1u
B
SIGNAL PATH
VIDEO SIGNAL
CHROMA
REC
PB
— 5 —
8 9 10 11
R4511 R4515
3300
C4542 4700
± 0.5% ± 0.5%
XX
R4512
100k
LDOW
LDOR
60 59 58 57 56 55 54 53 52 51
G
P1HI
H
P1GI
F
P1FI
E
P1EI
C4507 0.01u
APCWF
C
P1DI
D
P1CI IC4502
A
P1BI
B RF PROCESS
P1AI
C4508 0.022u
APCRF
RF- C4509 0.01u
IC4502
P1RFN
TA1385FG(DRY,EB)
RF+
P1RFP CSP(CHIP SIZE PACKAGE)IC
C4510
R2RF
0.01u
Replacement of IC4502 is not possible.
P2AI Because the necessary adjustment or writing
R4570
of data cannot be made locally.
P2BI
22k
P2CI
P2DI
P2EI
P2FI
WRTON
C4560
0.1u
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
5 4
C4543
XX
1 2 3
C4518
R4513
10u
XX
R4516
C4521
10k
0.1u
AUDIO SIGNAL PATH
Y Y/CHROMA SIGNAL
FOCUS SERVO
TRACKING SERVO DVD/CD CDV
12 13 14 15
L4502
C4535
4.7uH
10u
R4525 220k
C4525
10u
50 49 48 47 46 45 44 43 42 41
TEB
FEB
RFS
C4527
C4552
0.1u 0.1u
VCC2
B
B
VCCR
RFOP
RFON
GND2
C4551
0.1u B
RPO
RPZ
TEP
R4521 10k
TEO
C4532
WBTR
0.22u
VCCS
C4529 0.01u B
WBBCF
R4523 10k
FEO R4524
C4533
10k
33p
LVL
C4534
33p
ROPC
C4528
0.1u
VCKF
B
VRCK
R4559
R4558
C4530 1k
6800
0.01u
B
C4545
22p
CH
B
WOB
READSP
R4517
APCRSP
2700
APCWSP
ROPCS
WRTON
HFQON
EFMPK
EFMWP
— 6 —
16 17 18
DRV_A_4.6V
WG1_A_2.5V
@m04
(8/8)
D_2.8V
D_A_GND
(4/8)
(2/8)
@m05
VRD
(6/8)
(3/8)
(7/8)
APCWBST
EQF
EQB
APCR
TEB
FEB
RFS
TEST_RFOP
RFOP
RFON
TEST_RFON
RFRP
RFZI
TEP
@m06
(2/8)
TEO
C4531
33p
TEZI
R4551 XX
FEO
LVL
ROPC
WOB
VRCK
TEST_FE0
TEST_TE0
APCWBST
APCWBST
EQF
EQF
EQB
EQB
APCR
APCR
TEB
TEB
FEB
FEB
DFCTN
SCL
SCB
@m30
SCD (2/8)
READSP
APCRSP
APCWSP
ROPCS
WRTON
HFQON
EFMPK
EFMWP
TEST_TE0
TEST_TE0
TEST_RFON
@m07
TEST_RFON (7/8)
TEST_RFOP
TEST_RFOP
TEST_FE0 (6/8)
@m08
TEST_FE0
(7/8)
MD-104 (1/8)