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SCPH-70000series




SCPH-70000 series
SERVICE MANUAL 1st edition
for GH-035 BOARD
(LCG-chassis)
Reproduction Prohibited SCPH-70000series
K-chassis
SAFETY CHECK-OUT
After correcting the original service problem, perform the following safety
checks before releasing the set to the customer:

1. Check the area of your repair for unsoldered or poorly-soldered LEAKAGE TEST CAUTION CAUTION
connections. Check the entire board surface for solder splashes The AC leakage from any exposed metal part to earth ground and The use of optical instruments with this product will increase eye Danger of explosion if battery is incorrectly replaced. Replace
and bridges. from all exposed metal parts to any exposed metal part having a hazard. As the laser beam used in this CD/DVD ROM Drive is only with the same or equivalent type recommended by the
2. Check the interboard wiring to ensure that no wires are return to chassis, must not exceed 0.5 mA (500 microampers.). harmful to eyes, do not attempt disassemble the cabinet. manufacturer.
"pinched" or contact high-wattage resistors. Leakage current can be measured by any one of three methods. Refer servicing to qualified personnel only. Discard used batteries according to the manufacturer's
3. Look for unauthorized replacement parts, particularly 1. A commercial leakage tester, such as the Simpson 229 or RCA instructions.
transistors, that were installed during a previous repair. Point WT-540A. Follow the manufacturers' instructions to use these
them out to the customer and recommend their replacement. instruments. Lithium Batteries
4. Look for parts which, though functioning, show obvious signs 2. A battery-operated AC milliammeter. The Data Precision 245 If an equipment is provided with a replaceable lithium battery, the
of deterioration. Point them out to the customer and digital multimeter is suitable for this job. following applies:
recommend their replacement. 3. Measuring the voltage drop across a resistor by means of a
5. Check the line cord for cracks and abrasion. Recommend the VOM or battery-operated AC voltmeter. The "limit" if the battery is placed in an OPERATOR ACCESS AREA,
replacement of any such line cord to the customer. indication is 0.75 V, so analog meters must have an accurate there shall be a warning close to the battery or in both the
6. Check the B+ voltage to see it is at the values specified. low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are operating and the service instructions:
7. Check the metal trim, "metallized" knobs, screws, and all other examples of a passive VOM that is suitable. Nearly all battery
exposed metal parts for AC leakage. operated digital multimeters that have a 2 V AC range are This appliance is classified as a CLASS 1 LASER product. if the battery is placed elsewhere in the equipment, there shall
Check leakage as described right. suitable. (See Fig. A) be a warning close to the battery or in the service instructions.
To Exposed Metal
Parts on Set
CAUTION:
The use of optical instrument with this product will increase eye
hazard.

CAUTION
AC Use of controls or adjustments or performance of procedures
0.15 F 1.5 kZ voltmeter
(0.75 V) other than those specified herein may result in hazardous
radiation exposure.



Earth Ground WARNING!!

Fig.A. Using an AC voltmeter to check AC leakage. WHEN SERVICING , DO NOT APPROACH THE LASER
EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS
NECESSARY TO CONFIRM LASER BEAM EMISSION,
BE SURE TO OBSERVE FROM A DISTANCE OF MORE
THAN 25cm FROM THE SERFACE OF THE OBJECTIVE
SAFTY-RELATED COMPONENT WARNING!! LENS ON THE OPTICAL PICK-UP BLOCK.

COMPONENTS IDENTIFIED BY MARK OR DOTTED
LINE WITH MARK ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION, REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS ARE APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
DUCTION PROHIBITED SCPH-70000series
LCG-chassis


Table of contents
1. CIRCUIT DIAGRAM (GH -035)
1-1. EE+GS + RDRAM ------------------------- 05
1-2. IOP -------------------------------------------- 06
1-3. POWER SUPPLY -------------------------- 07
1-4. AUDIO + Boot ROM ---------------------- 08
1-5. uCON + DSP -------------------------------- 09
1-6. Analog (for TI) ------------------------------ 10
1-7. 6chDVE+AVCN ---------------------------- 11
1-8. LAN ----------------------------------------- 12
1-9. Switch Board ------------------------------- 13


2. PRINTED WIRING BOARD
2-1. GH -035 Board (Side A) --------------------- 14
2-2. GH -035 Board (Side B) ------------- ------- 15


3. EXPLODED VIEWS
3-1. OVERALL AND MAIN BLOCK --------- 16
3-2. COVER UPPER ASSY AND STAND NUT
BLOCK -------------------------------- 17
3-3. PACKING INSTRUCTIONS -------------- 18


4. ELECTRICAL PART LIST
4-1. GH-035-03 FJT C4105+C4106 ------------- 20
4-2. GH-035-03 TXI C4105+C4106 ------------- 26
REPRODUCTION PROHIBITED SCPH-70000series
LCG-chassis

SECTION1
CIRCUIT DIAGRAM


Note on Circuit Diagrams
All capacitors are in F unless otherwise noted. pF: F
50WV or less are not indicated except for electrolytics
and tantalums.
All resistors are in and W or lesss unless otherwise
specified.
:indicates tolerance.
Note:
The components identified by mark
or dotted line with mark are critical
for safety.
Replace only with part number specified.
SCPH-70000series
REPRODUCTION PROHIBITED LCG-chassis
3 DIG_+3.1V1


3 DIG_+2.5V1


3 DIG_+1.8V1


2..5,7 DIG_+1.7V1


3 DIG_+1.2V1




IOP Interface

CL1002

R1044
22
MSCLK 2
AVDA Decoupling
Additional VDD Decoupling Additional AVD Decoupling /SRST /SRST 2
C1072 C1073 C1074 C1076 C1079 C1081 C1083 C1085 C1102 C1103 C1105 C1106 C1108 C1111 C1113
/SGINT 2
C1091 C1093 C1095
0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u xx 100u xx 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u /SINT 2
FB1103 CCC410.ORP
CCC410.ORP CCC410.ORP
CCC410.ORP CCC410.ORP
CCC410.ORP
CCC410.ORP
CCC410.ORP CCC405.ORP
6.3v 4v CCC410.ORP
CCC410.ORP CCC410.ORP
CCC410.ORP CCC410.ORP
CCC410.ORP
CCC410.ORP
B B B B B B B B B TA B B B B B B B
/BGNT 2
FB1102 CCC403.ORP
2..5,7,8 DIG_+3.5V1 B /BREQ 2
xx Additional AVDA Decoupling Vddr Decoupling VDDar Filtering
C1155
C1146 C1107 C1109 C1110 C1112
0.001u C1148
C1168 B XX C1075 C1077 C1080 C1082 C1084 C1087 C1090 C1092 C1094 C1096 C1099 C1100 0.1u 0.1u 0.1u 0.1u
L1102 10uH 0.001u CCC410.ORP B 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u CCC410.ORP
CCC410.ORP
CCC410.ORP
CCC410.ORP
B CCC410.ORP B B B B B B CCC410.ORP
CCC410.ORP CCC410.ORP CCC410.ORP
CCC410.ORP CCC410.ORP B B B B
CCC410.ORP CCC410.ORP
CCC410.ORP
CCC410.ORP
CCC410.ORP CCC410.ORP
CCC410.ORP B B B B B B
C1116 C1170 C1129 C1131 R1118 C1114 C1115
0.1u 1u 0.1u 0.01u 15 68p 68p
CCC410.ORP CCC403.ORP
CCC403.ORP
CCC403.ORP R1110 +_0.5% FGC416.ORP CH CH
B IC1108 CY22313LFZCT 39 CCC410.ORP
CCC410.ORP
+_0.5%
1 24 C1147 C1149 FGC416.ORP
VDDRP S 0.001u 0.1u R1119 15 +_0.5%
2 23 B B FGC416.ORP
L1101 xx VSSRP VDDR CCC410.ORP CCC410.ORP RB1013
C1178 5p CCC410.ORP 3 22 R1112 IAD2
XOUT VSSR 8 7 AD2 2
R1111 68 R1120 15 +_0.5% IAD1
6 5 AD1 2
X1102 R1164 4 21 39 +_0.5% FGC416.ORP IAD0
XIN CLK 4 3 AD0 2
0 R1163 +_0.5% FGC416.ORP IAD3 RB1014
2 1 AD3 2
C1177 5p CCC410.ORP CRYSTAL18.432MHZ CCC410.ORP xx 5 20 FGC416.ORP R1121 15 +_0.5% IAD6
NC CLKB 8 7 AD6 2
R1113 FGC416.ORP IAD9 68
6 5 AD9 2
L1104 xx 6 19 68 IAD7
VSSVPA VSSR 4 3 AD7 2
C1183 C1184 CCC403.ORP CCC403.ORP
CCC403.ORP +_0.5% IAD4 RB1015
2 1 AD4 2
0.1u 0.001u B B B 7 18 FGC416.ORP IAD17
VDDVPA VDDR 8 7 AD17 2
B B 1u 0.1u 0.01u IAD19 68
6 5 AD19 2
L1103
CCC403.ORP
CCC403.ORP 10uH C1185 C1186 C1187 8 17 C1135 C1136 C1150 C1151 C1152 R1034 R1035 R1036 IAD22
VSS54 NC 4 3 AD22 2
0.1u 0.001u 0.01u 20p 20p 4700 4700 IAD16 RB1016
2 1 AD16 2
9 16 B B B CH CH xx IAD28
54NOUT VDDL